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Файл: protected/extensions/widgets/imperavi/assets/redactor.js
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/*
    Redactor v9.1.7
    Updated: Nov 5, 2013

    http://imperavi.com/redactor/

    Copyright (c) 2009-2013, Imperavi LLC.
    License: http://imperavi.com/redactor/license/

    Usage: $('#content').redactor();
*/

(function($)
{
    var uuid = 0;

    "use strict";

    var Range = function(range)
    {
        this[0] = range.startOffset;
        this[1] = range.endOffset;

        this.range = range;

        return this;
    };

    Range.prototype.equals = function()
    {
        return this[0] === this[1];
    };

    // Plugin
    $.fn.redactor = function(options)
    {
        var val = [];
        var args = Array.prototype.slice.call(arguments, 1);

        if (typeof options === 'string')
        {
            this.each(function()
            {
                var instance = $.data(this, 'redactor');
                if (typeof instance !== 'undefined' && $.isFunction(instance[options]))
                {
                    var methodVal = instance[options].apply(instance, args);
                    if (methodVal !== undefined && methodVal !== instance) val.push(methodVal);
                }
                else return $.error('No such method "' + options + '" for Redactor');
            });
        }
        else
        {
            this.each(function()
            {
                if (!$.data(this, 'redactor')) $.data(this, 'redactor', Redactor(this, options));
            });
        }

        if (val.length === 0) return this;
        else if (val.length === 1) return val[0];
        else return val;

    };

    // Initialization
    function Redactor(el, options)
    {
        return new Redactor.prototype.init(el, options);
    }

    $.Redactor = Redactor;
    $.Redactor.VERSION = '9.1.7';
    $.Redactor.opts = {

            // settings
            rangy: false,

            iframe: false,
            fullpage: false,
            css: false, // url

            lang: 'en',
            direction: 'ltr', // ltr or rtl

            placeholder: false,

            wym: false,
            mobile: true,
            cleanup: true,
            tidyHtml: true,
            pastePlainText: false,
            removeEmptyTags: true,
            templateVars: false,
            xhtml: false,

            visual: true,
            focus: false,
            tabindex: false,
            autoresize: true,
            minHeight: false,
            maxHeight: false,
            shortcuts: true,

            autosave: false, // false or url
            autosaveInterval: 60, // seconds

            plugins: false, // array

            linkAnchor: true,
            linkEmail: true,
            linkProtocol: 'http://',
            linkNofollow: false,
            linkSize: 50,

            imageFloatMargin: '10px',
            imageGetJson: false, // url (ex. /folder/images.json ) or false

            imageUpload: false, // url
            imageUploadParam: 'file', // input name
            fileUpload: false, // url
            fileUploadParam: 'file', // input name
            clipboardUpload: true, // or false
            clipboardUploadUrl: false, // url
            dragUpload: true, // false

            dnbImageTypes: ['image/png', 'image/jpeg', 'image/gif'], // or false

            s3: false,
            uploadFields: false,

            observeImages: true,
            observeLinks: true,

            modalOverlay: true,

            tabSpaces: false, // true or number of spaces
            tabFocus: true,

            air: false,
            airButtons: ['formatting', '|', 'bold', 'italic', 'deleted', '|', 'unorderedlist', 'orderedlist', 'outdent', 'indent'],

            toolbar: true,
            toolbarFixed: false,
            toolbarFixedTarget: document,
            toolbarFixedTopOffset: 0, // pixels
            toolbarFixedBox: false,
            toolbarExternal: false, // ID selector
            buttonSource: true,

            buttonSeparator: '<li class="redactor_separator"></li>',

            buttonsCustom: {},
            buttonsAdd: [],
            buttons: ['html', '|', 'formatting', '|', 'bold', 'italic', 'deleted', '|', 'unorderedlist', 'orderedlist', 'outdent', 'indent', '|', 'image', 'video', 'file', 'table', 'link', '|', 'alignment', '|', 'horizontalrule'], // 'underline', 'alignleft', 'aligncenter', 'alignright', 'justify'

            activeButtons: ['deleted', 'italic', 'bold', 'underline', 'unorderedlist', 'orderedlist', 'alignleft', 'aligncenter', 'alignright', 'justify', 'table'],
            activeButtonsStates: {
                b: 'bold',
                strong: 'bold',
                i: 'italic',
                em: 'italic',
                del: 'deleted',
                strike: 'deleted',
                ul: 'unorderedlist',
                ol: 'orderedlist',
                u: 'underline',
                tr: 'table',
                td: 'table',
                table: 'table'
            },
            activeButtonsAdd: false, // object, ex.: { tag: 'buttonName' }

            formattingTags: ['p', 'blockquote', 'pre', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'],

            linebreaks: false,
            paragraphy: true,
            convertDivs: true,
            convertLinks: true,
            convertImageLinks: false,
            convertVideoLinks: false,
            formattingPre: false,
            phpTags: false,

            allowedTags: false,
            deniedTags: ['html', 'head', 'link', 'body', 'meta', 'script', 'style', 'applet'],

            boldTag: 'strong',
            italicTag: 'em',

            // private
            indentValue: 20,
            buffer: [],
            rebuffer: [],
            textareamode: false,
            emptyHtml: '<p>&#x200b;</p>',
            invisibleSpace: '&#x200b;',
            rBlockTest: /^(P|H[1-6]|LI|ADDRESS|SECTION|HEADER|FOOTER|ASIDE|ARTICLE)$/i,
            alignmentTags: ['P', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'DD', 'DL', 'DT', 'DIV', 'TD',
                                'BLOCKQUOTE', 'OUTPUT', 'FIGCAPTION', 'ADDRESS', 'SECTION',
                                'HEADER', 'FOOTER', 'ASIDE', 'ARTICLE'],
            ownLine: ['area', 'body', 'head', 'hr', 'i?frame', 'link', 'meta', 'noscript', 'style', 'script', 'table', 'tbody', 'thead', 'tfoot'],
            contOwnLine: ['li', 'dt', 'dt', 'h[1-6]', 'option', 'script'],
            newLevel: ['blockquote', 'div', 'dl', 'fieldset', 'form', 'frameset', 'map', 'ol', 'p', 'pre', 'select', 'td', 'th', 'tr', 'ul'],
            blockLevelElements: ['P', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'DD', 'DL', 'DT', 'DIV', 'LI',
                                'BLOCKQUOTE', 'OUTPUT', 'FIGCAPTION', 'PRE', 'ADDRESS', 'SECTION',
                                'HEADER', 'FOOTER', 'ASIDE', 'ARTICLE', 'TD'],
            // lang
            langs: {
                en: {
                    html: 'HTML',
                    video: 'Insert Video',
                    image: 'Insert Image',
                    table: 'Table',
                    link: 'Link',
                    link_insert: 'Insert link',
                    link_edit: 'Edit link',
                    unlink: 'Unlink',
                    formatting: 'Formatting',
                    paragraph: 'Normal text',
                    quote: 'Quote',
                    code: 'Code',
                    header1: 'Header 1',
                    header2: 'Header 2',
                    header3: 'Header 3',
                    header4: 'Header 4',
                    header5: 'Header 5',
                    bold: 'Bold',
                    italic: 'Italic',
                    fontcolor: 'Font Color',
                    backcolor: 'Back Color',
                    unorderedlist: 'Unordered List',
                    orderedlist: 'Ordered List',
                    outdent: 'Outdent',
                    indent: 'Indent',
                    cancel: 'Cancel',
                    insert: 'Insert',
                    save: 'Save',
                    _delete: 'Delete',
                    insert_table: 'Insert Table',
                    insert_row_above: 'Add Row Above',
                    insert_row_below: 'Add Row Below',
                    insert_column_left: 'Add Column Left',
                    insert_column_right: 'Add Column Right',
                    delete_column: 'Delete Column',
                    delete_row: 'Delete Row',
                    delete_table: 'Delete Table',
                    rows: 'Rows',
                    columns: 'Columns',
                    add_head: 'Add Head',
                    delete_head: 'Delete Head',
                    title: 'Title',
                    image_position: 'Position',
                    none: 'None',
                    left: 'Left',
                    right: 'Right',
                    image_web_link: 'Image Web Link',
                    text: 'Text',
                    mailto: 'Email',
                    web: 'URL',
                    video_html_code: 'Video Embed Code',
                    file: 'Insert File',
                    upload: 'Upload',
                    download: 'Download',
                    choose: 'Choose',
                    or_choose: 'Or choose',
                    drop_file_here: 'Drop file here',
                    align_left: 'Align text to the left',
                    align_center: 'Center text',
                    align_right: 'Align text to the right',
                    align_justify: 'Justify text',
                    horizontalrule: 'Insert Horizontal Rule',
                    deleted: 'Deleted',
                    anchor: 'Anchor',
                    link_new_tab: 'Open link in new tab',
                    underline: 'Underline',
                    alignment: 'Alignment',
                    filename: 'Name (optional)',
                    edit: 'Edit'
                }
            }
    };

    // Functionality
    Redactor.fn = $.Redactor.prototype = {

        keyCode: {
            BACKSPACE: 8,
            DELETE: 46,
            DOWN: 40,
            ENTER: 13,
            ESC: 27,
            TAB: 9,
            CTRL: 17,
            META: 91,
            LEFT: 37,
            LEFT_WIN: 91
        },

        // Initialization
        init: function(el, options)
        {

            this.rtePaste = false;
            this.$element = this.$source = $(el);
            this.uuid = uuid++;

            // clonning options
            var opts = $.extend(true, {}, $.Redactor.opts);

            // current settings
            this.opts = $.extend(
                {},
                opts,
                this.$element.data(),
                options
            );

            this.start = true;
            this.dropdowns = [];

            // get sizes
            this.sourceHeight = this.$source.css('height');
            this.sourceWidth = this.$source.css('width');

            // dependency of the editor modes
            if (this.opts.fullpage) this.opts.iframe = true;
            if (this.opts.linebreaks) this.opts.paragraphy = false;
            if (this.opts.paragraphy) this.opts.linebreaks = false;
            if (this.opts.toolbarFixedBox) this.opts.toolbarFixed = true;

            // the alias for iframe mode
            this.document = document;
            this.window = window;

            // selection saved
            this.savedSel = false;

            // clean setup
            this.cleanlineBefore = new RegExp('^<(/?' + this.opts.ownLine.join('|/?' ) + '|' + this.opts.contOwnLine.join('|') + ')[ >]');
            this.cleanlineAfter = new RegExp('^<(br|/?' + this.opts.ownLine.join('|/?' ) + '|/' + this.opts.contOwnLine.join('|/') + ')[ >]');
            this.cleannewLevel = new RegExp('^</?(' + this.opts.newLevel.join('|' ) + ')[ >]');

            // block level
            this.rTestBlock = new RegExp('^(' + this.opts.blockLevelElements.join('|' ) + ')$', 'i');

            // setup formatting permissions
            if (this.opts.linebreaks === false)
            {
                if (this.opts.allowedTags !== false)
                {
                    var arrSearch = ['strong', 'em', 'del'];
                    var arrAdd = ['b', 'i', 'strike'];

                    if ($.inArray('p', this.opts.allowedTags) === '-1') this.opts.allowedTags.push('p');

                    for (i in arrSearch)
                    {
                        if ($.inArray(arrSearch[i], this.opts.allowedTags) != '-1') this.opts.allowedTags.push(arrAdd[i]);
                    }
                }

                if (this.opts.deniedTags !== false)
                {
                    var pos = $.inArray('p', this.opts.deniedTags);
                    if (pos !== '-1') this.opts.deniedTags.splice(pos, pos);
                }
            }

            // ie & opera
            if (this.browser('msie') || this.browser('opera'))
            {
                this.opts.buttons = this.removeFromArrayByValue(this.opts.buttons, 'horizontalrule');
            }

            // load lang
            this.opts.curLang = this.opts.langs[this.opts.lang];

            // Build
            this.buildStart();

        },
        toolbarInit: function(lang)
        {
            return {
                html:
                {
                    title: lang.html,
                    func: 'toggle'
                },
                formatting:
                {
                    title: lang.formatting,
                    func: 'show',
                    dropdown:
                    {
                        p:
                        {
                            title: lang.paragraph,
                            func: 'formatBlocks'
                        },
                        blockquote:
                        {
                            title: lang.quote,
                            func: 'formatQuote',
                            className: 'redactor_format_blockquote'
                        },
                        pre:
                        {
                            title: lang.code,
                            func: 'formatBlocks',
                            className: 'redactor_format_pre'
                        },
                        h1:
                        {
                            title: lang.header1,
                            func: 'formatBlocks',
                            className: 'redactor_format_h1'
                        },
                        h2:
                        {
                            title: lang.header2,
                            func: 'formatBlocks',
                            className: 'redactor_format_h2'
                        },
                        h3:
                        {
                            title: lang.header3,
                            func: 'formatBlocks',
                            className: 'redactor_format_h3'
                        },
                        h4:
                        {
                            title: lang.header4,
                            func: 'formatBlocks',
                            className: 'redactor_format_h4'
                        },
                        h5:
                        {
                            title: lang.header5,
                            func: 'formatBlocks',
                            className: 'redactor_format_h5'
                        }
                    }
                },
                bold:
                {
                    title: lang.bold,
                    exec: 'bold'
                },
                italic:
                {
                    title: lang.italic,
                    exec: 'italic'
                },
                deleted:
                {
                    title: lang.deleted,
                    exec: 'strikethrough'
                },
                underline:
                {
                    title: lang.underline,
                    exec: 'underline'
                },
                unorderedlist:
                {
                    title: '&bull; ' + lang.unorderedlist,
                    exec: 'insertunorderedlist'
                },
                orderedlist:
                {
                    title: '1. ' + lang.orderedlist,
                    exec: 'insertorderedlist'
                },
                outdent:
                {
                    title: '< ' + lang.outdent,
                    func: 'indentingOutdent'
                },
                indent:
                {
                    title: '> ' + lang.indent,
                    func: 'indentingIndent'
                },
                image:
                {
                    title: lang.image,
                    func: 'imageShow'
                },
                video:
                {
                    title: lang.video,
                    func: 'videoShow'
                },
                file:
                {
                    title: lang.file,
                    func: 'fileShow'
                },
                table:
                {
                    title: lang.table,
                    func: 'show',
                    dropdown:
                    {
                        insert_table:
                        {
                            title: lang.insert_table,
                            func: 'tableShow'
                        },
                        separator_drop1:
                        {
                            name: 'separator'
                        },
                        insert_row_above:
                        {
                            title: lang.insert_row_above,
                            func: 'tableAddRowAbove'
                        },
                        insert_row_below:
                        {
                            title: lang.insert_row_below,
                            func: 'tableAddRowBelow'
                        },
                        insert_column_left:
                        {
                            title: lang.insert_column_left,
                            func: 'tableAddColumnLeft'
                        },
                        insert_column_right:
                        {
                            title: lang.insert_column_right,
                            func: 'tableAddColumnRight'
                        },
                        separator_drop2:
                        {
                            name: 'separator'
                        },
                        add_head:
                        {
                            title: lang.add_head,
                            func: 'tableAddHead'
                        },
                        delete_head:
                        {
                            title: lang.delete_head,
                            func: 'tableDeleteHead'
                        },
                        separator_drop3:
                        {
                            name: 'separator'
                        },
                        delete_column:
                        {
                            title: lang.delete_column,
                            func: 'tableDeleteColumn'
                        },
                        delete_row:
                        {
                            title: lang.delete_row,
                            func: 'tableDeleteRow'
                        },
                        delete_table:
                        {
                            title: lang.delete_table,
                            func: 'tableDeleteTable'
                        }
                    }
                },
                link: {
                    title: lang.link,
                    func: 'show',
                    dropdown:
                    {
                        link:
                        {
                            title: lang.link_insert,
                            func: 'linkShow'
                        },
                        unlink:
                        {
                            title: lang.unlink,
                            exec: 'unlink'
                        }
                    }
                },
                fontcolor:
                {
                    title: lang.fontcolor,
                    func: 'show'
                },
                backcolor:
                {
                    title: lang.backcolor,
                    func: 'show'
                },
                alignment:
                {
                    title: lang.alignment,
                    func: 'show',
                    dropdown:
                    {
                        alignleft:
                        {
                            title: lang.align_left,
                            func: 'alignmentLeft'
                        },
                        aligncenter:
                        {
                            title: lang.align_center,
                            func: 'alignmentCenter'
                        },
                        alignright:
                        {
                            title: lang.align_right,
                            func: 'alignmentRight'
                        },
                        justify:
                        {
                            title: lang.align_justify,
                            func: 'alignmentJustify'
                        }
                    }
                },
                alignleft:
                {
                    title: lang.align_left,
                    func: 'alignmentLeft'
                },
                aligncenter:
                {
                    title: lang.align_center,
                    func: 'alignmentCenter'
                },
                alignright:
                {
                    title: lang.align_right,
                    func: 'alignmentRight'
                },
                justify:
                {
                    title: lang.align_justify,
                    func: 'alignmentJustify'
                },
                horizontalrule:
                {
                    exec: 'inserthorizontalrule',
                    title: lang.horizontalrule
                }

            }
        },

        // CALLBACKS
        callback: function(type, event, data)
        {
            var callback = this.opts[ type + 'Callback' ];
            if ($.isFunction(callback))
            {
                if (event === false) return callback.call(this, data);
                else return callback.call(this, event, data);
            }
            else return data;
        },


        // DESTROY
        destroy: function()
        {
            clearInterval(this.autosaveInterval);

            $(window).off('.redactor');
            this.$source.off('redactor-textarea');
            this.$element.off('.redactor').removeData('redactor');

            var html = this.get();

            if (this.opts.textareamode)
            {
                this.$box.after(this.$source);
                this.$box.remove();
                this.$source.val(html).show();
            }
            else
            {
                var $elem = this.$editor;
                if (this.opts.iframe) $elem = this.$element;

                this.$box.after($elem);
                this.$box.remove();

                $elem.removeClass('redactor_editor').removeClass('redactor_editor_wym').removeAttr('contenteditable').html(html).show();
            }

            if (this.opts.air)
            {
                $('#redactor_air_' + this.uuid).remove();
            }
        },

        // API GET
        getObject: function()
        {
            return $.extend({}, this);
        },
        getEditor: function()
        {
            return this.$editor;
        },
        getBox: function()
        {
            return this.$box;
        },
        getIframe: function()
        {
            return (this.opts.iframe) ? this.$frame : false;
        },
        getToolbar: function()
        {
            return (this.$toolbar) ? this.$toolbar : false;
        },

        // CODE GET & SET
        get: function()
        {
            return this.$source.val();
        },
        getCodeIframe: function()
        {
            this.$editor.removeAttr('contenteditable').removeAttr('dir');
            var html = this.outerHtml(this.$frame.contents().children());
            this.$editor.attr({ 'contenteditable': true, 'dir': this.opts.direction });

            return html;
        },
        set: function(html, strip, placeholderRemove)
        {
            html = html.toString();

            if (this.opts.fullpage) this.setCodeIframe(html);
            else this.setEditor(html, strip);

            if (placeholderRemove !== false) this.placeholderRemove();
        },
        setEditor: function(html, strip)
        {
            if (strip !== false)
            {
                html = this.cleanSavePreCode(html);
                html = this.cleanStripTags(html);
                html = this.cleanConvertProtected(html);
                html = this.cleanConvertInlineTags(html, true);

                if (this.opts.linebreaks === false) html = this.cleanConverters(html);
                else html = html.replace(/<p(.*?)>([wW]*?)</p>/gi, '$2<br>');
            }

            html = this.cleanEmpty(html);

            this.$editor.html(html);

            // set no editable
            this.setNonEditable();
            this.setSpansVerified();
            this.sync();
        },
        setCodeIframe: function(html)
        {
            var doc = this.iframePage();
            this.$frame[0].src = "about:blank";

            html = this.cleanConvertProtected(html);
            html = this.cleanConvertInlineTags(html);
            html = this.cleanRemoveSpaces(html);

            doc.open();
            doc.write(html);
            doc.close();

            // redefine editor for fullpage mode
            if (this.opts.fullpage)
            {
                this.$editor = this.$frame.contents().find('body').attr({ 'contenteditable': true, 'dir': this.opts.direction });
            }

            // set no editable
            this.setNonEditable();
            this.setSpansVerified();
            this.sync();

        },
        setFullpageOnInit: function(html)
        {
            html = this.cleanSavePreCode(html, true);
            html = this.cleanConverters(html);
            html = this.cleanEmpty(html);

            // set code
            this.$editor.html(html);

            // set no editable
            this.setNonEditable();
            this.setSpansVerified();
            this.sync();
        },
        setSpansVerified: function()
        {
            var spans = this.$editor.find('span');
            var replacementTag = 'inline';

            $.each(spans, function() {
                var outer = this.outerHTML;

                // Replace opening tag
                var regex = new RegExp('<' + this.tagName, 'i');
                var newTag = outer.replace(regex, '<' + replacementTag);

                // Replace closing tag
                regex = new RegExp('</' + this.tagName, 'i');
                newTag = newTag.replace(regex, '</' + replacementTag);

                $(this).replaceWith(newTag);
            });

        },
        setSpansVerifiedHtml: function(html)
        {
            html = html.replace(/<span(.*?)>/, '<inline$1>');
            return html.replace(/</span>/, '</inline>');
        },
        setNonEditable: function()
        {
            this.$editor.find('.noneditable').attr('contenteditable', false);
        },

        // SYNC
        sync: function()
        {
            var html = '';

            this.cleanUnverified();

            if (this.opts.fullpage) html = this.getCodeIframe();
            else html = this.$editor.html();

            html = this.syncClean(html);
            //html = this.cleanRemoveSpaces(html);
            html = this.cleanRemoveEmptyTags(html);

            // fix second level up ul, ol
            html = html.replace(/</li><(ul|ol)>([wW]*?)</(ul|ol)>/gi, '<$1>$2</$1></li>');

            if ($.trim(html) === '<br>') html = '';

            // xhtml
            if (this.opts.xhtml)
            {
                var xhtmlTags = ['br', 'hr', 'img', 'link', 'input', 'meta'];
                $.each(xhtmlTags, function(i,s)
                {
                    html = html.replace(new RegExp('<' + s + '(.*?[^/$]?)>', 'gi'), '<' + s + '$1 />');
                });

            }

            // before callback
            html = this.callback('syncBefore', false, html);

            this.$source.val(html);

            // onchange & after callback
            this.callback('syncAfter', false, html);

            if (this.start === false)
            {
                this.callback('change', false, html);
            }

        },
        syncClean: function(html)
        {
            if (!this.opts.fullpage) html = this.cleanStripTags(html);

            html = $.trim(html);

            // removeplaceholder
            html = this.placeholderRemoveFromCode(html);

            // remove space
            html = html.replace(/&#x200b;/gi, '');
            html = html.replace(/&#8203;/gi, '');
            html = html.replace(/&nbsp;/gi, ' ');

            // link nofollow
            if (this.opts.linkNofollow)
            {
                html = html.replace(/<a(.*?)rel="nofollow"(.*?)>/gi, '<a$1$2>');
                html = html.replace(/<a(.*?)>/gi, '<a$1 rel="nofollow">');
            }

            // php code fix
            html = html.replace('<!--?php', '<?php');
            html = html.replace('
?-->', '?>');

            // revert no editable
            html = html.replace(/<(.*?)class="noeditable"(.*?) contenteditable="false"(.*?)>/gi, '<$1class="noeditable"$2$3>');

            html = html.replace(/ data-tagblock=""/gi, '');
            html = html.replace(/<brs?/?>n?</(P|H[1-6]|LI|ADDRESS|SECTION|HEADER|FOOTER|ASIDE|ARTICLE)>/gi, '</$1>');

            // remove image resize
            html = html.replace(/<span(.*?)id="redactor-image-box"(.*?)>([wW]*?)<img(.*?)></span>/i, '$3<img$4>');
            html = html.replace(/<span(.*?)id="redactor-image-resizer"(.*?)>(.*?)</span>/i, '');
            html = html.replace(/<span(.*?)id="redactor-image-editter"(.*?)>(.*?)</span>/i, '');

            // remove font
            html = html.replace(/<font(.*?)>([wW]*?)</font>/gi, '$2');

            // remove spans
            html = html.replace(/<span(.*?)>([wW]*?)</span>/gi, '$2');
            html = html.replace(/<inline(.*?)>([wW]*?)</inline>/gi, '<span$1>$2</span>');
            html = html.replace(/<span(.*?)class="redactor_placeholder"(.*?)>([wW]*?)</span>/gi, '');

            // amp fix
            html = html.replace(/&amp;/gi, '&');

            html = this.cleanReConvertProtected(html);

            return html;
        },


        // BUILD
        buildStart: function()
        {
            // content
            this.content = '';

            // container
            this.$box = $('<div class="redactor_box" />');

            // textarea test
            if (this.$source[0].tagName === 'TEXTAREA') this.opts.textareamode = true;

            // mobile
            if (this.opts.mobile === false && this.isMobile())
            {
                this.buildMobile();
            }
            else
            {
                // get the content at the start
                this.buildContent();

                if (this.opts.iframe)
                {
                    // build as iframe
                    this.opts.autoresize = false;
                    this.iframeStart();
                }
                else if (this.opts.textareamode) this.buildFromTextarea();
                else this.buildFromElement();

                // options and final setup
                if (!this.opts.iframe)
                {
                    this.buildOptions();
                    this.buildAfter();
                }
            }
        },
        buildMobile: function()
        {
            if (!this.opts.textareamode)
            {
                this.$editor = this.$source;
                this.$editor.hide();
                this.$source = this.buildCodearea(this.$editor);
                this.$source.val(this.content);
            }

            this.$box.insertAfter(this.$source).append(this.$source);
        },
        buildContent: function()
        {
            if (this.opts.textareamode) this.content = $.trim(this.$source.val());
            else this.content = $.trim(this.$source.html());
        },
        buildFromTextarea: function()
        {
            this.$editor = $('<div />');
            this.$box.insertAfter(this.$source).append(this.$editor).append(this.$source);

            // enable
            this.buildAddClasses(this.$editor);
            this.buildEnable();
        },
        buildFromElement: function()
        {
            this.$editor = this.$source;
            this.$source = this.buildCodearea(this.$editor);
            this.$box.insertAfter(this.$editor).append(this.$editor).append(this.$source);

            // enable
            this.buildEnable();
        },
        buildCodearea: function($source)
        {
            return $('<textarea />').attr('name', $source.attr('id')).css('height', this.sourceHeight);
        },
        buildAddClasses: function(el)
        {
            // append textarea classes to editable layer
            $.each(this.$source.get(0).className.split(/s+/), function(i,s)
            {
                el.addClass('redactor_' + s);
            });
        },
        buildEnable: function()
        {
            this.$editor.addClass('redactor_editor').attr({ 'contenteditable': true, 'dir': this.opts.direction });
            this.$source.attr('dir', this.opts.direction).hide();

            // set code
            this.set(this.content, true, false);
        },
        buildOptions: function()
        {
            var $source = this.$editor;
            if (this.opts.iframe) $source = this.$frame;

            // options
            if (this.opts.tabindex) $source.attr('tabindex', this.opts.tabindex);
            if (this.opts.minHeight) $source.css('min-height', this.opts.minHeight + 'px');
            if (this.opts.maxHeight) $source.css('max-height', this.opts.maxHeight + 'px');
            if (this.opts.wym) this.$editor.addClass('redactor_editor_wym');
            if (!this.opts.autoresize) $source.css('height', this.sourceHeight);
        },
        buildAfter: function()
        {
            this.start = false;

            // load toolbar
            if (this.opts.toolbar)
            {
                this.opts.toolbar = this.toolbarInit(this.opts.curLang);
                this.toolbarBuild();
            }

            // modal templates
            this.modalTemplatesInit();

            // plugins
            this.buildPlugins();

            // enter, tab, etc.
            this.buildBindKeyboard();

            // autosave
            if (this.opts.autosave) this.autosave();

            // observers
            setTimeout($.proxy(this.observeStart, this), 4);

            // FF fix
            if (this.browser('mozilla'))
            {
                try {
                    this.document.execCommand('enableObjectResizing', false, false);
                    this.document.execCommand('enableInlineTableEditing', false, false);
                } catch (e) {}
            }

            // focus
            if (this.opts.focus) setTimeout($.proxy(this.focus, this), 100);

            // code mode
            if (!this.opts.visual)
            {
                setTimeout($.proxy(function()
                {
                    this.opts.visual = true;
                    this.toggle(false);

                }, this), 200);
            }

            // init callback
            this.callback('init');
        },
        buildBindKeyboard: function()
        {
            if (this.opts.dragUpload && this.opts.imageUpload !== false)
            {
                this.$editor.on('drop.redactor', $.proxy(this.buildEventDrop, this));
            }

            this.$editor.on('paste.redactor', $.proxy(this.buildEventPaste, this));
            this.$editor.on('keydown.redactor', $.proxy(this.buildEventKeydown, this));
            this.$editor.on('keyup.redactor', $.proxy(this.buildEventKeyup, this));

            // textarea callback
            if ($.isFunction(this.opts.textareaKeydownCallback))
            {
                this.$source.on('keydown.redactor-textarea', $.proxy(this.opts.textareaKeydownCallback, this));
            }

            // focus callback
            if ($.isFunction(this.opts.focusCallback))
            {
                this.$editor.on('focus.redactor', $.proxy(this.opts.focusCallback, this));
            }

            var clickedElement;
            $(document).mousedown(function(e) {
                clickedElement = $(e.target);
            });

            // blur callback
            this.$editor.on('blur.redactor', $.proxy(function(e)
            {
                if (!$(clickedElement).hasClass('redactor_toolbar') && $(clickedElement).parents('.redactor_toolbar').size() == 0)
                {
                    this.selectall = false;
                    if ($.isFunction(this.opts.blurCallback)) this.callback('blur', e);
                }
            }, this));

        },
        buildEventDrop: function(e)
        {
            e = e.originalEvent || e;

            if (window.FormData === undefined || !e.dataTransfer) return true;

            var length = e.dataTransfer.files.length;
            if (length == 0) return true;

            e.preventDefault();

            var file = e.dataTransfer.files[0];

            if (this.opts.dnbImageTypes !== false && this.opts.dnbImageTypes.indexOf(file.type) == -1)
            {
                return true;
            }

            this.bufferSet();

            var progress = $('<div id="redactor-progress-drag" class="redactor-progress redactor-progress-striped"><div id="redactor-progress-bar" class="redactor-progress-bar" style="width: 100%;"></div></div>');
            $(document.body).append(progress);

            if (this.opts.s3 === false)
            {
                this.dragUploadAjax(this.opts.imageUpload, file, true, progress, e, this.opts.imageUploadParam);
            }
            else
            {
                this.s3uploadFile(file);
            }

        },
        buildEventPaste: function(e)
        {
            var oldsafari = false;
            if (this.browser('webkit') && navigator.userAgent.indexOf('Chrome') === -1)
            {
                var arr = this.browser('version').split('.');
                if (arr[0] < 536) oldsafari = true;
            }

            if (oldsafari) return true;

            // paste except opera (not webkit)
            if (this.browser('opera')) return true;

            // clipboard upload
            if (this.opts.clipboardUpload && this.buildEventClipboardUpload(e)) return true;

            if (this.opts.cleanup)
            {
                this.rtePaste = true;

                this.selectionSave();

                if (!this.selectall)
                {
                    if (this.opts.autoresize === true )
                    {
                        this.$editor.height(this.$editor.height());
                        this.saveScroll = this.document.body.scrollTop;
                    }
                    else
                    {
                        this.saveScroll = this.$editor.scrollTop();
                    }
                }

                var frag = this.extractContent();

                setTimeout($.proxy(function()
                {
                    var pastedFrag = this.extractContent();
                    this.$editor.append(frag);

                    this.selectionRestore();

                    var html = this.getFragmentHtml(pastedFrag);
                    this.pasteClean(html);

                    if (this.opts.autoresize === true) this.$editor.css('height', 'auto');

                }, this), 1);
            }
        },
        buildEventClipboardUpload: function(e)
        {
            var event = e.originalEvent || e;
            this.clipboardFilePaste = false;

            if (typeof(event.clipboardData) === 'undefined') return false;
            if (event.clipboardData.items)
            {
                var file = event.clipboardData.items[0].getAsFile();
                if (file !== null)
                {
                    this.bufferSet();
                    this.clipboardFilePaste = true;

                    var reader = new FileReader();
                    reader.onload = $.proxy(this.pasteClipboardUpload, this);
                    reader.readAsDataURL(file);

                    return true;
                }
            }

            return false;

        },
        buildEventKeydown: function(e)
        {
            if (this.rtePaste) return false;

            var key = e.which;
            var ctrl = e.ctrlKey || e.metaKey;
            var parent = this.getParent();
            var current = this.getCurrent();
            var block = this.getBlock();
            var pre = false;

            this.callback('keydown', e);

            this.imageResizeHide(false);

            // pre & down
            if ((parent && $(parent).get(0).tagName === 'PRE') || (current && $(current).get(0).tagName === 'PRE'))
            {
                pre = true;
                if (key === this.keyCode.DOWN) this.insertAfterLastElement(block);
            }

            // down
            if (key === this.keyCode.DOWN)
            {
                if (parent && $(parent)[0].tagName === 'BLOCKQUOTE') this.insertAfterLastElement(parent);
                if (current && $(current)[0].tagName === 'BLOCKQUOTE') this.insertAfterLastElement(current);

                if (parent && $(parent)[0].tagName === 'P' && $(parent).parent()[0].tagName == 'BLOCKQUOTE')
                {
                    this.insertAfterLastElement(parent, $(parent).parent()[0]);
                }
                if (current && $(current)[0].tagName === 'P' && parent && $(parent)[0].tagName == 'BLOCKQUOTE')
                {
                    this.insertAfterLastElement(current, parent);
                }
            }

            // shortcuts setup
            if (ctrl && !e.shiftKey) this.shortcuts(e, key);

            // buffer setup
            if (ctrl && key === 90 && !e.shiftKey && !e.altKey) // z key
            {
                e.preventDefault();
                if (this.opts.buffer.length) this.bufferUndo();
                else this.document.execCommand('undo', false, false);
                return;
            }
            // undo
            else if (ctrl && key === 90 && e.shiftKey && !e.altKey)
            {
                e.preventDefault();
                if (this.opts.rebuffer.length != 0) this.bufferRedo();
                else this.document.execCommand('redo', false, false);
                return;
            }

            // select all
            if (ctrl && key === 65) this.selectall = true;
            else if (key != this.keyCode.LEFT_WIN && !ctrl) this.selectall = false;

            // enter
            if (key == this.keyCode.ENTER && !e.shiftKey && !e.ctrlKey && !e.metaKey )
            {
                // In ie, opera in the tables are created paragraphs, fix it.
                if (this.browser('msie') && (parent.nodeType == 1 && (parent.tagName == 'TD' || parent.tagName == 'TH')))
                {
                    e.preventDefault();
                    this.bufferSet();
                    this.insertNode(document.createElement('br'));
                    this.callback('enter', e);
                    return false;
                }

                // pre
                if (pre === true) return this.buildEventKeydownPre(e, current);
                else
                {
                    if (!this.opts.linebreaks)
                    {
                        // replace div to p
                        if (block && this.opts.rBlockTest.test(block.tagName))
                        {
                            // hit enter
                            this.bufferSet();

                            setTimeout($.proxy(function()
                            {
                                var blockElem = this.getBlock();
                                if (blockElem.tagName === 'DIV' && !$(blockElem).hasClass('redactor_editor'))
                                {
                                    var node = $('<p>' + this.opts.invisibleSpace + '</p>');
                                    $(blockElem).replaceWith(node);
                                    this.selectionStart(node);
                                }

                            }, this), 1);
                        }
                        else if (block === false)
                        {
                            // hit enter
                            this.bufferSet();

                            var node = $('<p>' + this.opts.invisibleSpace + '</p>');
                            this.insertNode(node[0]);
                            this.selectionStart(node);
                            this.callback('enter', e);
                            return false;
                        }

                    }

                    if (this.opts.linebreaks)
                    {
                        // replace div to br
                        if (block && this.opts.rBlockTest.test(block.tagName))
                        {
                            // hit enter
                            this.bufferSet();

                            setTimeout($.proxy(function()
                            {
                                var blockElem = this.getBlock();
                                if ((blockElem.tagName === 'DIV' || blockElem.tagName === 'P') && !$(blockElem).hasClass('redactor_editor'))
                                {
                                    this.replaceLineBreak(blockElem);
                                }

                            }, this), 1);
                        }
                        else
                        {
                            return this.buildEventKeydownInsertLineBreak(e);
                        }
                    }

                    // blockquote, figcaption
                    if (block.tagName == 'BLOCKQUOTE' || block.tagName == 'FIGCAPTION')
                    {
                        return this.buildEventKeydownInsertLineBreak(e);
                    }

                }

                this.callback('enter', e);
            }
            else if (key === this.keyCode.ENTER && (e.ctrlKey || e.shiftKey)) // Shift+Enter or Ctrl+Enter
            {
                this.bufferSet();

                e.preventDefault();
                this.insertLineBreak();
            }

            // tab
            if (key === this.keyCode.TAB && this.opts.shortcuts) return this.buildEventKeydownTab(e, pre);

            // delete zero-width space before the removing
            if (key === this.keyCode.BACKSPACE) this.buildEventKeydownBackspace(current);

        },
        buildEventKeydownPre: function(e, current)
        {
            e.preventDefault();
            this.bufferSet();
            var html = $(current).parent().text();
            this.insertNode(document.createTextNode('n'));
            if (html.search(/s$/) == -1)
            {
                this.insertNode(document.createTextNode('n'));
            }

            this.sync();
            this.callback('enter', e);
            return false;
        },
        buildEventKeydownTab: function(e, pre)
        {
            if (!this.opts.tabFocus) return true;
            if (this.isEmpty(this.get())) return true;

            e.preventDefault();

            if (pre === true && !e.shiftKey)
            {
                this.bufferSet();
                this.insertNode(document.createTextNode('t'));
                this.sync();
                return false;

            }
            else if (this.opts.tabSpaces !== false)
            {
                this.bufferSet();
                this.insertNode(document.createTextNode(Array(this.opts.tabSpaces + 1).join('u00a0')));
                this.sync();
                return false;
            }
            else
            {
                if (!e.shiftKey) this.indentingIndent();
                else this.indentingOutdent();
            }

            return false;
        },
        buildEventKeydownBackspace: function(current)
        {
            if (typeof current.tagName !== 'undefined' && /^(H[1-6])$/i.test(current.tagName))
            {
                var node;
                if (this.opts.linebreaks === false) node = $('<p>' + this.opts.invisibleSpace + '</p>');
                else node = $('<br>' + this.opts.invisibleSpace);

                $(current).replaceWith(node);
                this.selectionStart(node);
            }

            if (typeof current.nodeValue !== 'undefined' && current.nodeValue !== null)
            {
                //var value = $.trim(current.nodeValue.replace(/[^u0000-u1C7F]/g, ''));
                if (current.remove && current.nodeType === 3 && current.nodeValue.match(/[^/u200B]/g) == null)
                {
                    current.remove();
                }
            }
        },
        buildEventKeydownInsertLineBreak: function(e)
        {
            this.bufferSet();
            e.preventDefault();
            this.insertLineBreak();
            this.callback('enter', e);
            return;
        },
        buildEventKeyup: function(e)
        {
            if (this.rtePaste) return false;

            var key = e.which;
            var parent = this.getParent();
            var current = this.getCurrent();

            // replace to p before / after the table or body
            if (!this.opts.linebreaks && current.nodeType == 3 && (parent == false || parent.tagName == 'BODY'))
            {
                var node = $('<p>').append($(current).clone());
                $(current).replaceWith(node);
                var next = $(node).next();
                if (typeof(next[0]) !== 'undefined' && next[0].tagName == 'BR')
                {
                    next.remove();
                }
                this.selectionEnd(node);
            }

            // convert links
            if ((this.opts.convertLinks || this.opts.convertImageLinks || this.opts.convertVideoLinks) && key === this.keyCode.ENTER)
            {
                this.buildEventKeyupConverters();
            }

            // if empty
            if (key === this.keyCode.DELETE || key === this.keyCode.BACKSPACE)
            {
                return this.formatEmpty(e);
            }

            this.callback('keyup', e);
            this.sync();
        },
        buildEventKeyupConverters: function()
        {
            this.formatLinkify(this.opts.linkProtocol, this.opts.convertLinks, this.opts.convertImageLinks, this.opts.convertVideoLinks, this.opts.linkSize);

            setTimeout($.proxy(function()
            {
                if (this.opts.convertImageLinks) this.observeImages();
                if (this.opts.observeLinks) this.observeLinks();
            }, this), 5);
        },
        buildPlugins: function()
        {
            if (!this.opts.plugins ) return;

            $.each(this.opts.plugins, $.proxy(function(i, s)
            {
                if (RedactorPlugins[s])
                {
                    $.extend(this, RedactorPlugins[s]);
                    if ($.isFunction( RedactorPlugins[ s ].init)) this.init();
                }

            }, this ));
        },

        // IFRAME
        iframeStart: function()
        {
            this.iframeCreate();

            if (this.opts.textareamode) this.iframeAppend(this.$source);
            else
            {
                this.$sourceOld = this.$source.hide();
                this.$source = this.buildCodearea(this.$sourceOld);
                this.iframeAppend(this.$sourceOld);
            }
        },
        iframeAppend: function(el)
        {
            this.$source.attr('dir', this.opts.direction).hide();
            this.$box.insertAfter(el).append(this.$frame).append(this.$source);
        },
        iframeCreate: function()
        {
            this.$frame = $('<iframe style="width: 100%;" frameborder="0" />').one('load', $.proxy(function()
            {
                if (this.opts.fullpage)
                {
                    this.iframePage();

                    if (this.content === '') this.content = this.opts.invisibleSpace;

                    this.$frame.contents()[0].write(this.content);
                    this.$frame.contents()[0].close();

                    var timer = setInterval($.proxy(function()
                    {
                        if (this.$frame.contents().find('body').html())
                        {
                            clearInterval(timer);
                            this.iframeLoad();
                        }

                    }, this), 0);
                }
                else this.iframeLoad();

            }, this));
        },
        iframeDoc: function()
        {
            return this.$frame[0].contentWindow.document;
        },
        iframePage: function()
        {
            var doc = this.iframeDoc();
            if (doc.documentElement) doc.removeChild(doc.documentElement);

            return doc;
        },
        iframeAddCss: function(css)
        {
            css = css || this.opts.css;

            if (this.isString(css))
            {
                this.$frame.contents().find('head').append('<link rel="stylesheet" href="' + css + '" />');
            }

            if ($.isArray(css))
            {
                $.each(css, $.proxy(function(i, url)
                {
                    this.iframeAddCss(url);

                }, this));
            }
        },
        iframeLoad: function()
        {
            this.$editor = this.$frame.contents().find('body').attr({ 'contenteditable': true, 'dir': this.opts.direction });

            // set document & window
            if (this.$editor[0])
            {
                this.document = this.$editor[0].ownerDocument;
                this.window = this.document.defaultView || window;
            }

            // iframe css
            this.iframeAddCss();

            if (this.opts.fullpage) this.setFullpageOnInit(this.$editor.html());
            else this.set(this.content, true, false);

            this.buildOptions();
            this.buildAfter();
        },

        // PLACEHOLDER
        placeholderStart: function(html)
        {
            if (this.isEmpty(html))
            {
                if (this.$element.attr('placeholder')) this.opts.placeholder = this.$element.attr('placeholder');
                if (this.opts.placeholder === '') this.opts.placeholder = false;

                if (this.opts.placeholder !== false)
                {
                    this.opts.focus = false;
                    this.$editor.one('focus.redactor_placeholder', $.proxy(this.placeholderFocus, this));

                    return $('<span class="redactor_placeholder" data-redactor="verified">').attr('contenteditable', false).text(this.opts.placeholder);
                }
            }

            return false;
        },
        placeholderFocus: function()
        {
            this.$editor.find('span.redactor_placeholder').remove();

            var html = '';
            if (this.opts.linebreaks === false) html = this.opts.emptyHtml;

            this.$editor.off('focus.redactor_placeholder');
            this.$editor.html(html);

            if (this.opts.linebreaks === false)
            {
                // place the cursor inside emptyHtml
                this.selectionStart(this.$editor.children()[0]);
            }
            else
            {
                this.focus();
            }

            this.sync();
        },
        placeholderRemove: function()
        {
            this.opts.placeholder = false;
            this.$editor.find('span.redactor_placeholder').remove();
            this.$editor.off('focus.redactor_placeholder');
        },
        placeholderRemoveFromCode: function(html)
        {
            return html.replace(/<span class="redactor_placeholder"(.*?)>(.*?)</span>/i, '');
        },

        // SHORTCUTS
        shortcuts: function(e, key)
        {

            if (!this.opts.shortcuts) return;

            if (!e.altKey)
            {
                if (key === 77) this.shortcutsLoad(e, 'removeFormat'); // Ctrl + m
                else if (key === 66) this.shortcutsLoad(e, 'bold'); // Ctrl + b
                else if (key === 73) this.shortcutsLoad(e, 'italic'); // Ctrl + i

                else if (key === 74) this.shortcutsLoad(e, 'insertunorderedlist'); // Ctrl + j
                else if (key === 75) this.shortcutsLoad(e, 'insertorderedlist'); // Ctrl + k

                else if (key === 72) this.shortcutsLoad(e, 'superscript'); // Ctrl + h
                else if (key === 76) this.shortcutsLoad(e, 'subscript'); // Ctrl + l
            }
            else
            {
                if (key === 48) this.shortcutsLoadFormat(e, 'p'); // ctrl + alt + 0
                else if (key === 49) this.shortcutsLoadFormat(e, 'h1'); // ctrl + alt + 1
                else if (key === 50) this.shortcutsLoadFormat(e, 'h2'); // ctrl + alt + 2
                else if (key === 51) this.shortcutsLoadFormat(e, 'h3'); // ctrl + alt + 3
                else if (key === 52) this.shortcutsLoadFormat(e, 'h4'); // ctrl + alt + 4
                else if (key === 53) this.shortcutsLoadFormat(e, 'h5'); // ctrl + alt + 5
                else if (key === 54) this.shortcutsLoadFormat(e, 'h6'); // ctrl + alt + 6

            }

        },
        shortcutsLoad: function(e, cmd)
        {
            e.preventDefault();
            this.execCommand(cmd, false);
        },
        shortcutsLoadFormat: function(e, cmd)
        {
            e.preventDefault();
            this.formatBlocks(cmd);
        },

        // FOCUS
        focus: function()
        {
            if (!this.browser('opera')) this.window.setTimeout($.proxy(this.focusSet, this, true), 1);
            else this.$editor.focus();
        },
        focusEnd: function()
        {
            this.focusSet();
        },
        focusSet: function(collapse)
        {
            this.$editor.focus();

            var range = this.getRange();
            range.selectNodeContents(this.$editor[0]);

            // collapse - controls the position of focus: the beginning (true), at the end (false).
            range.collapse(collapse || false);

            var sel = this.getSelection();
            sel.removeAllRanges();
            sel.addRange(range);
        },

        // TOGGLE
        toggle: function(direct)
        {
            if (this.opts.visual) this.toggleCode(direct);
            else this.toggleVisual();
        },
        toggleVisual: function()
        {
            var html = this.$source.hide().val();

            if (typeof this.modified !== 'undefined')
            {
                this.modified = this.cleanRemoveSpaces(this.modified, false) !== this.cleanRemoveSpaces(html, false);
            }

            if (this.modified)
            {
                // don't remove the iframe even if cleared all.
                if (this.opts.fullpage && html === '') this.setFullpageOnInit(html);
                else
                {
                    this.set(html);
                    if (this.opts.fullpage) this.buildBindKeyboard();
                }
            }

            if (this.opts.iframe) this.$frame.show();
            else this.$editor.show();

            if (this.opts.fullpage) this.$editor.attr('contenteditable', true );

            this.$source.off('keydown.redactor-textarea-indenting');

            this.$editor.focus();
            this.selectionRestore();

            this.observeStart();
            this.buttonActiveVisual();
            this.buttonInactive('html');
            this.opts.visual = true;
        },
        toggleCode: function(direct)
        {
            if (direct !== false) this.selectionSave();

            var height = null;
            if (this.opts.iframe)
            {
                height = this.$frame.height();
                if (this.opts.fullpage) this.$editor.removeAttr('contenteditable');
                this.$frame.hide();
            }
            else
            {
                height = this.$editor.innerHeight();
                this.$editor.hide();
            }

            var html = this.$source.val();

            // tidy html
            if (html !== '' && this.opts.tidyHtml)
            {
                this.$source.val(this.cleanHtml(html));
            }

            this.modified = html;

            this.$source.height(height).show().focus();

            // textarea indenting
            this.$source.on('keydown.redactor-textarea-indenting', this.textareaIndenting);

            this.buttonInactiveVisual();
            this.buttonActive('html');
            this.opts.visual = false;
        },
        textareaIndenting: function(e)
        {
            if (e.keyCode === 9)
            {
                var $el = $(this);
                var start = $el.get(0).selectionStart;
                $el.val($el.val().substring(0, start) + "t" + $el.val().substring($el.get(0).selectionEnd));
                $el.get(0).selectionStart = $el.get(0).selectionEnd = start + 1;
                return false;
            }
        },

        // AUTOSAVE
        autosave: function()
        {
            var savedHtml = false;
            this.autosaveInterval = setInterval($.proxy(function()
            {
                var html = this.get();
                if (savedHtml !== html)
                {
                    $.ajax({
                        url: this.opts.autosave,
                        type: 'post',
                        data: this.$source.attr('name') + '=' + escape(encodeURIComponent(html)),
                        success: $.proxy(function(data)
                        {
                            this.callback('autosave', false, data);
                            savedHtml = html;

                        }, this)
                    });
                }
            }, this), this.opts.autosaveInterval*1000);
        },

        // TOOLBAR
        toolbarBuild: function()
        {
            // extend buttons
            if (this.opts.air)
            {
                this.opts.buttons = this.opts.airButtons;
            }
            else
            {
                if (!this.opts.buttonSource)
                {
                    var index = this.opts.buttons.indexOf('html'), next = this.opts.buttons[index + 1];
                    this.opts.buttons.splice(index, 1);
                    if (next === '|') this.opts.buttons.splice(index, 1);
                }
            }

            $.extend(this.opts.toolbar, this.opts.buttonsCustom);
            $.each(this.opts.buttonsAdd, $.proxy(function(i, s)
            {
                this.opts.buttons.push(s);

            }, this));

            // formatting tags
            if (this.opts.toolbar)
            {
                $.each(this.opts.toolbar.formatting.dropdown, $.proxy(function (i, s)
                {
                    if ($.inArray(i, this.opts.formattingTags ) == '-1') delete this.opts.toolbar.formatting.dropdown[i];

                }, this));
            }

            // if no buttons don't create a toolbar
            if (this.opts.buttons.length === 0) return false;

            // air enable
            this.airEnable();

            // toolbar build
            this.$toolbar = $('<ul>').addClass('redactor_toolbar').attr('id', 'redactor_toolbar_' + this.uuid);

            if (this.opts.air)
            {
                // air box
                this.$air = $('<div class="redactor_air">').attr('id', 'redactor_air_' + this.uuid).hide();
                this.$air.append(this.$toolbar);
                $('body').append(this.$air);
            }
            else
            {
                if (this.opts.toolbarExternal) $(this.opts.toolbarExternal).html(this.$toolbar);
                else this.$box.prepend(this.$toolbar);
            }

            $.each(this.opts.buttons, $.proxy(function(i, btnName)
            {
                // separator
                if ( btnName === '|' ) this.$toolbar.append($(this.opts.buttonSeparator));
                else if(this.opts.toolbar[btnName])
                {
                    var btnObject = this.opts.toolbar[btnName];
                    if (this.opts.fileUpload === false && btnName === 'file') return true;
                    this.$toolbar.append( $('<li>').append(this.buttonBuild(btnName, btnObject)));
                }

            }, this));

            this.$toolbar.find('a').attr('tabindex', '-1');

            // fixed
            if (this.opts.toolbarFixed)
            {
                this.toolbarObserveScroll();
                $(this.opts.toolbarFixedTarget).on('scroll.redactor', $.proxy(this.toolbarObserveScroll, this));
            }

            // buttons response
            if (this.opts.activeButtons)
            {
                var buttonActiveObserver = $.proxy(this.buttonActiveObserver, this);
                this.$editor.on('mouseup.redactor keyup.redactor', buttonActiveObserver);
            }
        },
        toolbarObserveScroll: function()
        {
            var scrollTop = $(this.opts.toolbarFixedTarget).scrollTop();
            var boxTop = this.$box.offset().top;
            var left = 0;

            var end = boxTop + this.$box.height() + 40;

            if (scrollTop > boxTop)
            {
                var width = '100%';
                if (this.opts.toolbarFixedBox)
                {
                    left = this.$box.offset().left;
                    width = this.$box.innerWidth();
                    this.$toolbar.addClass('toolbar_fixed_box');
                }

                this.toolbarFixed = true;
                this.$toolbar.css({
                    position: 'fixed',
                    width: width,
                    zIndex: 1005,
                    top: this.opts.toolbarFixedTopOffset + 'px',
                    left: left
                });

                if (scrollTop < end) this.$toolbar.css('visibility', 'visible');
                else this.$toolbar.css('visibility', 'hidden');
            }
            else
            {
                this.toolbarFixed = false;
                this.$toolbar.css({
                    position: 'relative',
                    width: 'auto',
                    top: 0,
                    left: left
                });

                if (this.opts.toolbarFixedBox) this.$toolbar.removeClass('toolbar_fixed_box');
            }
        },

        // AIR
        airEnable: function()
        {
            if (!this.opts.air) return;

            this.$editor.on('mouseup.redactor keyup.redactor', this, $.proxy(function(e)
            {
                var text = this.getSelectionText();

                if (e.type === 'mouseup' && text != '') this.airShow(e);
                if (e.type === 'keyup' && e.shiftKey && text != '')
                {
                    var $focusElem = $(this.getElement(this.getSelection().focusNode)), offset = $focusElem.offset();
                    offset.height = $focusElem.height();
                    this.airShow(offset, true);
                }

            }, this));
        },
        airShow: function (e, keyboard)
        {
            if (!this.opts.air) return;

            var left, top;
            $('.redactor_air').hide();

            if (keyboard)
            {
                left = e.left;
                top = e.top + e.height + 14;

                if (this.opts.iframe)
                {
                    top += this.$box.position().top - $(this.document).scrollTop();
                    left += this.$box.position().left;
                }
            }
            else
            {
                var width = this.$air.innerWidth();

                left = e.clientX;
                if ($(this.document).width() < (left + width)) left -= width;

                top = e.clientY + 14;
                if (this.opts.iframe)
                {
                    top += this.$box.position().top;
                    left += this.$box.position().left;
                }
                else top += $( this.document ).scrollTop();
            }

            this.$air.css({
                left: left + 'px',
                top: top + 'px'
            }).show();

            this.airBindHide();
        },
        airBindHide: function()
        {
            if (!this.opts.air) return;

            var hideHandler = $.proxy(function(doc)
            {
                $(doc).on('mousedown.redactor', $.proxy(function(e)
                {
                    if ($( e.target ).closest(this.$toolbar).length === 0)
                    {
                        this.$air.fadeOut(100);
                        this.selectionRemove();
                        $(doc).off(e);
                    }

                }, this)).on('keydown.redactor', $.proxy(function(e)
                {
                    if (e.which === this.keyCode.ESC)
                    {
                        this.getSelection().collapseToStart();
                    }

                    this.$air.fadeOut(100);
                    $(doc).off(e);

                }, this));
            }, this);

            // Hide the toolbar at events in all documents (iframe)
            hideHandler(document);
            if (this.opts.iframe) hideHandler(this.document);
        },
        airBindMousemoveHide: function()
        {
            if (!this.opts.air) return;

            var hideHandler = $.proxy(function(doc)
            {
                $(doc).on('mousemove.redactor', $.proxy(function(e)
                {
                    if ($( e.target ).closest(this.$toolbar).length === 0)
                    {
                        this.$air.fadeOut(100);
                        $(doc).off(e);
                    }

                }, this));
            }, this);

            // Hide the toolbar at events in all documents (iframe)
            hideHandler(document);
            if (this.opts.iframe) hideHandler(this.document);
        },

        // DROPDOWNS
        dropdownBuild: function($dropdown, dropdownObject)
        {
            $.each(dropdownObject, $.proxy(function(btnName, btnObject)
            {
                if (!btnObject.className) btnObject.className = '';

                var $item;
                if (btnObject.name === 'separator') $item = $('<a class="redactor_separator_drop">');
                else
                {
                    $item = $('<a href="#" class="' + btnObject.className + ' redactor_dropdown_' + btnName + '">' + btnObject.title + '</a>');
                    $item.on('click', $.proxy(function(e)
                    {
                        if (e.preventDefault) e.preventDefault();
                        if (this.browser('msie')) e.returnValue = false;

                        if (btnObject.callback) btnObject.callback.call(this, btnName, $item, btnObject, e);
                        if (btnObject.exec) this.execCommand(btnObject.exec, btnName);
                        if (btnObject.func) this[btnObject.func](btnName);

                        this.buttonActiveObserver();
                        if (this.opts.air) this.$air.fadeOut(100);

                    }, this));
                }

                $dropdown.append($item);

            }, this));
        },
        dropdownShow: function(e, key)
        {
            if (!this.opts.visual)
            {
                e.preventDefault();
                return false;
            }

            var $dropdown = this.$toolbar.find('.redactor_dropdown_box_' + key);
            var $button = this.buttonGet(key);

            if ($button.hasClass('dropact')) this.dropdownHideAll();
            else
            {
                this.dropdownHideAll();

                this.buttonActive(key);
                $button.addClass('dropact');

                var keyPosition = $button.position();
                if (this.toolbarFixed)
                {
                    keyPosition = $button.offset();
                }

                // fix right placement
                var dropdownWidth = $dropdown.width();
                if ((keyPosition.left + dropdownWidth) > $(document).width())
                {
                    keyPosition.left -= dropdownWidth;
                }

                var left = keyPosition.left + 'px';
                var btnHeight = 29;

                var position = 'absolute';
                var top = btnHeight + 'px';

                if (this.opts.toolbarFixed && this.toolbarFixed) position = 'fixed';
                else if (!this.opts.air) top = keyPosition.top + btnHeight + 'px';

                $dropdown.css({ position: position, left: left, top: top }).show();
            }


            var hdlHideDropDown = $.proxy(function(e)
            {
                this.dropdownHide(e, $dropdown);

            }, this);

            $(document).one('click', hdlHideDropDown);
            this.$editor.one('click', hdlHideDropDown);

            e.stopPropagation();
        },
        dropdownHideAll: function()
        {
            this.$toolbar.find('a.dropact').removeClass('redactor_act').removeClass('dropact');
            $('.redactor_dropdown').hide();
        },
        dropdownHide: function (e, $dropdown)
        {
            if (!$(e.target).hasClass('dropact'))
            {
                $dropdown.removeClass('dropact');
                this.dropdownHideAll();
            }
        },

        // BUTTONS
        buttonBuild: function(btnName, btnObject)
        {
            var $button = $('<a href="javascript:;" title="' + btnObject.title + '" tabindex="-1" class="redactor_btn redactor_btn_' + btnName + '"></a>');

            $button.on('click', $.proxy(function(e)
            {
                if (e.preventDefault) e.preventDefault();
                if (this.browser('msie')) e.returnValue = false;

                if ($button.hasClass('redactor_button_disabled')) return false;

                if (this.isFocused() === false && !btnObject.exec)
                {
                    this.$editor.focus();
                }

                if (btnObject.exec)
                {
                    this.$editor.focus();
                    this.execCommand(btnObject.exec, btnName);
                    this.airBindMousemoveHide();

                }
                else if (btnObject.func && btnObject.func !== 'show')
                {
                    this[btnObject.func](btnName);
                    this.airBindMousemoveHide();

                }
                else if (btnObject.callback)
                {
                    btnObject.callback.call(this, btnName, $button, btnObject, e);
                    this.airBindMousemoveHide();

                }
                else if (btnObject.dropdown)
                {
                    this.dropdownShow(e, btnName);
                }

                this.buttonActiveObserver(false, btnName);

            }, this));

            // dropdown
            if (btnObject.dropdown)
            {
                var $dropdown = $('<div class="redactor_dropdown redactor_dropdown_box_' + btnName + '" style="display: none;">');
                $dropdown.appendTo(this.$toolbar);
                this.dropdownBuild($dropdown, btnObject.dropdown);
            }

            return $button;
        },
        buttonGet: function(key)
        {
            if (!this.opts.toolbar) return false;
            return $(this.$toolbar.find('a.redactor_btn_' + key));
        },
        buttonActiveToggle: function(key)
        {
            var btn = this.buttonGet(key);

            if (btn.hasClass('redactor_act')) btn.removeClass('redactor_act');
            else btn.addClass('redactor_act');
        },
        buttonActive: function(key)
        {
            this.buttonGet(key).addClass('redactor_act');
        },
        buttonInactive: function(key)
        {
            this.buttonGet(key).removeClass('redactor_act');
        },
        buttonInactiveAll: function(btnName)
        {
            $.each(this.opts.toolbar, $.proxy(function(k)
            {
                if (k != btnName) this.buttonInactive(k);

            }, this));
        },
        buttonActiveVisual: function()
        {
            this.$toolbar.find('a.redactor_btn').not('a.redactor_btn_html').removeClass('redactor_button_disabled');
        },
        buttonInactiveVisual: function()
        {
            this.$toolbar.find('a.redactor_btn').not('a.redactor_btn_html').addClass('redactor_button_disabled');
        },
        buttonChangeIcon: function (key, classname)
        {
            this.buttonGet(key).addClass('redactor_btn_' + classname);
        },
        buttonRemoveIcon: function(key, classname)
        {
            this.buttonGet(key).removeClass('redactor_btn_' + classname);
        },
        buttonAddSeparator: function()
        {
            this.$toolbar.append($(this.opts.buttonSeparator));
        },
        buttonAddSeparatorAfter: function(key)
        {
            this.buttonGet(key).parent().after($(this.opts.buttonSeparator));
        },
        buttonAddSeparatorBefore: function(key)
        {
            this.buttonGet(key).parent().before($(this.opts.buttonSeparator));
        },
        buttonRemoveSeparatorAfter: function(key)
        {
            this.buttonGet(key).parent().next().remove();
        },
        buttonRemoveSeparatorBefore: function(key)
        {
            this.buttonGet(key).parent().prev().remove();
        },
        buttonSetRight: function(key)
        {
            if (!this.opts.toolbar) return;
            this.buttonGet(key).parent().addClass('redactor_btn_right');
        },
        buttonSetLeft: function(key)
        {
            if (!this.opts.toolbar) return;
            this.buttonGet(key).parent().removeClass('redactor_btn_right');
        },
        buttonAdd: function(key, title, callback, dropdown)
        {
            if (!this.opts.toolbar) return;
            var btn = this.buttonBuild(key, { title: title, callback: callback, dropdown: dropdown });
            this.$toolbar.append( $('<li>').append(btn));
        },
        buttonAddFirst: function(key, title, callback, dropdown)
        {
            if (!this.opts.toolbar) return;
            var btn = this.buttonBuild(key, { title: title, callback: callback, dropdown: dropdown });
            this.$toolbar.prepend($('<li>').append(btn));
        },
        buttonAddAfter: function(afterkey, key, title, callback, dropdown)
        {
            if (!this.opts.toolbar) return;
            var btn = this.buttonBuild(key, { title: title, callback: callback, dropdown: dropdown });
            var $btn = this.buttonGet(afterkey);

            if ($btn.size() !== 0) $btn.parent().after($('<li>').append(btn));
            else this.$toolbar.append($('<li>').append(btn));
        },
        buttonAddBefore: function(beforekey, key, title, callback, dropdown)
        {
            if (!this.opts.toolbar) return;
            var btn = this.buttonBuild(key, { title: title, callback: callback, dropdown: dropdown });
            var $btn = this.buttonGet(beforekey);

            if ($btn.size() !== 0) $btn.parent().before($('<li>').append(btn));
            else this.$toolbar.append($('<li>').append(btn));
        },
        buttonRemove: function (key, separator)
        {
            var $btn = this.buttonGet(key);
            if (separator) $btn.parent().next().remove();
            $btn.parent().removeClass('redactor_btn_right');
            $btn.remove();
        },
        buttonActiveObserver: function(e, btnName)
        {
            var parent = this.getParent();
            this.buttonInactiveAll(btnName);

            if (e === false && btnName !== 'html')
            {
                if ($.inArray(btnName, this.opts.activeButtons) != -1)
                {
                    this.buttonActiveToggle(btnName);
                }
                return;
            }

            if (parent && parent.tagName === 'A') this.$toolbar.find('a.redactor_dropdown_link').text(this.opts.curLang.link_edit);
            else this.$toolbar.find('a.redactor_dropdown_link').text(this.opts.curLang.link_insert);

            if (this.opts.activeButtonsAdd)
            {
                $.each(this.opts.activeButtonsAdd, $.proxy(function(i,s)
                {
                    this.opts.activeButtons.push(s);

                }, this));

                $.extend(this.opts.activeButtonsStates, this.opts.activeButtonsAdd);
            }

            $.each(this.opts.activeButtonsStates, $.proxy(function(key, value)
            {
                if ($(parent).closest(key, this.$editor.get()[0]).length != 0)
                {
                    this.buttonActive(value);
                }

            }, this));

            var $parent = $(parent).closest(this.opts.alignmentTags.toString().toLowerCase(), this.$editor[0]);
            if ($parent.length)
            {
                var align = $parent.css('text-align');

                switch (align)
                {
                    case 'right':
                        this.buttonActive('alignright');
                    break;
                    case 'center':
                        this.buttonActive('aligncenter');
                    break;
                    case 'justify':
                        this.buttonActive('justify');
                    break;
                    default:
                        this.buttonActive('alignleft');
                    break;
                }
            }
        },

        // EXEC
        exec: function(cmd, param, sync)
        {
            if (cmd === 'formatblock' && this.browser('msie')) param = '<' + param + '>';

            if (cmd === 'inserthtml' && this.browser('msie'))
            {
                this.$editor.focus();
                this.document.selection.createRange().pasteHTML(param);
            }
            else
            {
                this.document.execCommand(cmd, false, param);
            }

            if (sync !== false) this.sync();
            this.callback('execCommand', cmd, param);
        },
        execCommand: function(cmd, param, sync)
        {
            if (!this.opts.visual)
            {
                this.$source.focus();
                return false;
            }

            if (cmd === 'inserthtml')
            {
                this.insertHtml(param, sync);
                this.callback('execCommand', cmd, param);
                return;
            }

            // Stop formatting pre
            if (this.currentOrParentIs('PRE') && !this.opts.formattingPre) return false;

            // Lists
            if (cmd === 'insertunorderedlist' || cmd === 'insertorderedlist') return this.execLists(cmd, param);

            // Unlink
            if (cmd === 'unlink') return this.execUnlink(cmd, param);

            // Usual exec
            this.exec(cmd, param, sync);

            // Line
            if (cmd === 'inserthorizontalrule') this.$editor.find('hr').removeAttr('id');

        },
        execUnlink: function(cmd, param)
        {
            this.bufferSet();

            var link = this.currentOrParentIs('A');
            if (link)
            {
                $(link).replaceWith($(link).text());

                this.sync();
                this.callback('execCommand', cmd, param);
                return;
            }
        },
        execLists: function(cmd, param)
        {
            this.bufferSet();

            var parent = this.getParent();
            var $list = $(parent).closest('ol, ul');
            var remove = false;

            if ($list.length)
            {
                remove = true;
                var listTag = $list[0].tagName;
                 if ((cmd === 'insertunorderedlist' && listTag === 'OL')
                 || (cmd === 'insertorderedlist' && listTag === 'UL'))
                 {
                     remove = false;
                }
            }

            this.selectionSave();

            // remove lists
            if (remove)
            {
                var nodes = this.getNodes();
                var elems = this.getBlocks(nodes);

                if (typeof nodes[0] != 'undefined' && nodes.length > 1 && nodes[0].nodeType == 3)
                {
                    // fix the adding the first li to the array
                    elems.unshift(this.getBlock());
                }

                var data = '', replaced = '';
                $.each(elems, $.proxy(function(i,s)
                {
                    if (s.tagName == 'LI')
                    {
                        var $s = $(s);
                        var cloned = $s.clone();
                        cloned.find('ul', 'ol').remove();

                        if (this.opts.linebreaks === false) data += this.outerHtml($('<p>').append(cloned.contents()));
                        else data += cloned.html() + '<br>';

                        if (i == 0)
                        {
                            $s.addClass('redactor-replaced').empty();
                            replaced = this.outerHtml($s);
                        }
                        else $s.remove();
                    }

                }, this));

                html = this.$editor.html().replace(replaced, '</' + listTag + '>' + data + '<' + listTag + '>');

                this.$editor.html(html);
                this.$editor.find(listTag + ':empty').remove();

            }

            // insert lists
            else
            {
                var firstParent = this.getParent();

                this.document.execCommand(cmd);

                var parent = this.getParent();
                var $list = $(parent).closest('ol, ul');

                if (firstParent && firstParent.tagName == 'TD')
                {
                    $list.wrapAll('<td>');
                }



                if ($list.length)
                {
                    if ((this.browser('msie') || this.browser('mozilla')) && parent.tagName !== 'LI')
                    {
                        $(parent).replaceWith($(parent).html());
                    }

                    var $listParent = $list.parent();
                    if (this.isParentRedactor($listParent) && this.nodeTestBlocks($listParent[0]))
                    {
                        $listParent.replaceWith($listParent.contents());
                    }
                }

                if (this.browser('mozilla')) this.$editor.focus();

            }

            this.selectionRestore();

            this.sync();
            this.callback('execCommand', cmd, param);
            return;
        },

        // INDENTING
        indentingIndent: function()
        {
            this.indentingStart('indent');
        },
        indentingOutdent: function()
        {
            this.indentingStart('outdent');
        },
        indentingStart: function(cmd)
        {
            this.bufferSet();

            if (cmd === 'indent')
            {
                var block = this.getBlock();

                this.selectionSave();

                if (block && block.tagName == 'LI')
                {
                    // li
                    var parent = this.getParent();

                    var $list = $(parent).closest('ol, ul');
                    var listTag = $list[0].tagName;

                    var elems = this.getBlocks();

                    $.each(elems, function(i,s)
                    {
                        if (s.tagName == 'LI')
                        {
                            var $prev = $(s).prev();
                            if ($prev.size() != 0 && $prev[0].tagName == 'LI')
                            {
                                var $childList = $prev.children('ul, ol');
                                if ($childList.size() == 0)
                                {
                                    $prev.append($('<' + listTag + '>').append(s));
                                }
                                else $childList.append(s);
                            }
                        }
                    });
                }
                // linebreaks
                else if (block === false && this.opts.linebreaks === true)
                {
                    this.exec('formatBlock', 'blockquote');
                    var newblock = this.getBlock();
                    var block = $('<div data-tagblock="">').html($(newblock).html());
                    $(newblock).replaceWith(block);

                    var left = this.normalize($(block).css('margin-left')) + this.opts.indentValue;
                    $(block).css('margin-left', left + 'px');
                }
                else
                {
                    // all block tags
                    var elements = this.getBlocks();
                    $.each(elements, $.proxy(function(i, elem)
                    {
                        var $el = false;

                        if (elem.tagName === 'TD') return;

                        if ($.inArray(elem.tagName, this.opts.alignmentTags) !== -1)
                        {
                            $el = $(elem);
                        }
                        else
                        {
                            $el = $(elem).closest(this.opts.alignmentTags.toString().toLowerCase(), this.$editor[0]);
                        }

                        var left = this.normalize($el.css('margin-left')) + this.opts.indentValue;
                        $el.css('margin-left', left + 'px');

                    }, this));
                }

                this.selectionRestore();

            }
            // outdent
            else
            {
                this.selectionSave();

                var block = this.getBlock();
                if (block && block.tagName == 'LI')
                {
                    // li
                    var elems = this.getBlocks();
                    var index = 0;

                    this.insideOutdent(block, index, elems);
                }
                else
                {
                    // all block tags
                    var elements = this.getBlocks();
                    $.each(elements, $.proxy(function(i, elem)
                    {
                        var $el = false;

                        if ($.inArray(elem.tagName, this.opts.alignmentTags) !== -1)
                        {
                            $el = $(elem);
                        }
                        else
                        {
                            $el = $(elem).closest(this.opts.alignmentTags.toString().toLowerCase(), this.$editor[0]);
                        }

                        var left = this.normalize($el.css('margin-left')) - this.opts.indentValue;
                        if (left <= 0)
                        {
                            // linebreaks
                            if (this.opts.linebreaks === true && typeof($el.data('tagblock')) !== 'undefined')
                            {
                                $el.replaceWith($el.html());
                            }
                            // all block tags
                            else
                            {
                                $el.css('margin-left', '');
                                this.removeEmptyAttr($el, 'style');
                            }
                        }
                        else
                        {
                            $el.css('margin-left', left + 'px');
                        }

                    }, this));
                }


                this.selectionRestore();
            }

            this.sync();

        },
        insideOutdent: function (li, index, elems)
        {
            if (li && li.tagName == 'LI')
            {
                var $parent = $(li).parent().parent();
                if ($parent.size() != 0 && $parent[0].tagName == 'LI')
                {
                    $parent.after(li);
                }
                else
                {
                    if (typeof elems[index] != 'undefined')
                    {
                        li = elems[index];
                        index++;

                        this.insideOutdent(li, index, elems);
                    }
                    else
                    {
                        this.execCommand('insertunorderedlist');
                    }
                }
            }
        },

        // ALIGNMENT
        alignmentLeft: function()
        {
            this.alignmentSet('', 'JustifyLeft');
        },
        alignmentRight: function()
        {
            this.alignmentSet('right', 'JustifyRight');
        },
        alignmentCenter: function()
        {
            this.alignmentSet('center', 'JustifyCenter');
        },
        alignmentJustify: function()
        {
            this.alignmentSet('justify', 'JustifyFull');
        },
        alignmentSet: function(type, cmd)
        {
            this.bufferSet();

            if (this.oldIE())
            {
                this.document.execCommand(cmd, false, false);
                return true;
            }

            this.selectionSave();

            var block = this.getBlock();
            if (!block && this.opts.linebreaks)
            {
                // one element
                this.exec('formatBlock', 'blockquote');
                var newblock = this.getBlock();
                var block = $('<div data-tagblock="">').html($(newblock).html());
                $(newblock).replaceWith(block);

                $(block).css('text-align', type);
                this.removeEmptyAttr(block, 'style');

                if (type == '' && typeof($(block).data('tagblock')) !== 'undefined')
                {
                    $(block).replaceWith($(block).html());
                }
            }
            else
            {
                var elements = this.getBlocks();
                $.each(elements, $.proxy(function(i, elem)
                {
                    var $el = false;

                    if ($.inArray(elem.tagName, this.opts.alignmentTags) !== -1)
                    {
                        $el = $(elem);
                    }
                    else
                    {
                        $el = $(elem).closest(this.opts.alignmentTags.toString().toLowerCase(), this.$editor[0]);
                    }

                    if ($el)
                    {
                        $el.css('text-align', type);
                        this.removeEmptyAttr($el, 'style');
                    }

                }, this));
            }

            this.selectionRestore();

            this.sync();
        },

        // CLEAN
        cleanEmpty: function(html)
        {
            var ph = this.placeholderStart(html);
            if (ph !== false) return ph;

            if (this.opts.linebreaks === false)
            {
                if (html === '') html = this.opts.emptyHtml;
                else if (html.search(/^<hrs?/?>$/gi) !== -1) html = '<hr>' + this.opts.emptyHtml;
            }

            return html;
        },
        cleanConverters: function(html)
        {
            // convert div to p
            if (this.opts.convertDivs) html = html.replace(/<div(.*?)>([wW]*?)</div>/gi, '<p$1>$2</p>');
            if (this.opts.paragraphy) html = this.cleanParagraphy(html);

            return html;
        },
        cleanConvertProtected: function(html)
        {
            if (this.opts.templateVars)
            {
                html = html.replace(/{{(.*?)}}/gi, '<!-- template double $1 -->');
                html = html.replace(/{(.*?)}/gi, '<!-- template $1 -->');
            }

            html = html.replace(/<script(.*?)>([wW]*?)</script>/gi, '<title type="text/javascript" style="display: none;" class="redactor-script-tag"$1>$2</title>');
            html = html.replace(/<style(.*?)>([wW]*?)</style>/gi, '<section$1 style="display: none;" rel="redactor-style-tag">$2</section>');
            html = html.replace(/<form(.*?)>([wW]*?)</form>/gi, '<section$1 rel="redactor-form-tag">$2</section>');

            // php tags convertation
            if (this.opts.phpTags) html = html.replace(/<?php([wW]*?)?>/gi, '<section style="display: none;" rel="redactor-php-tag">$1</section>');
            else html = html.replace(/<?php([wW]*?)?>/gi, '');

            return html;
        },
        cleanReConvertProtected: function(html)
        {
            if (this.opts.templateVars)
            {
                html = html.replace(/<!-- template double (.*?) -->/gi, '{{$1}}');
                html = html.replace(/<!-- template (.*?) -->/gi, '{$1}');
            }

            html = html.replace(/<title type="text/javascript" style="display: none;" class="redactor-script-tag"(.*?)>([wW]*?)</title>/gi, '<script$1 type="text/javascript">$2</script>');
            html = html.replace(/<section(.*?) style="display: none;" rel="redactor-style-tag">([wW]*?)</section>/gi, '<style$1>$2</style>');
            html = html.replace(/<section(.*?)rel="redactor-form-tag"(.*?)>([wW]*?)</section>/gi, '<form$1$2>$3</form>');

            // php tags convertation
            if (this.opts.phpTags) html = html.replace(/<section style="display: none;" rel="redactor-php-tag">([wW]*?)</section>/gi, '<?phprn$1rn?>');

            return html;
        },
        cleanRemoveSpaces: function(html, buffer)
        {
            if (buffer !== false)
            {
                var buffer = []
                var matches = html.match(/<(pre|style|script|title)(.*?)>([wW]*?)</(pre|style|script|title)>/gi);
                if (matches === null) matches = [];

                if (this.opts.phpTags)
                {
                    var phpMatches = html.match(/<?php([wW]*?)?>/gi);
                    if (phpMatches) matches = $.merge(matches, phpMatches);
                }

                if (matches)
                {
                    $.each(matches, function(i, s)
                    {
                        html = html.replace(s, 'buffer_' + i);
                        buffer.push(s);
                    });
                }
            }

            html = html.replace(/n/g, ' ');
            html = html.replace(/[t]*/g, '');
            html = html.replace(/ns*n/g, "n");
            html = html.replace(/^[sn]*/g, ' ');
            html = html.replace(/[sn]*$/g, ' ');
            html = html.replace( />s{2,}</g, '> <'); // between inline tags can be only one space

            html = this.cleanReplacer(html, buffer);

            html = html.replace(/nn/g, "n");

            return html;
        },
        cleanReplacer: function(html, buffer)
        {
            if (buffer === false) return html;

            $.each(buffer, function(i,s)
            {
                html = html.replace('buffer_' + i, s);
            });

            return html;
        },
        cleanRemoveEmptyTags: function(html)
        {
            html = html.replace(/<span>([wW]*?)</span>/gi, '$1');

            // remove zero width-space
            html = html.replace(/[u200B-u200DuFEFF]/g, '');

            var etagsInline = ["<b>\s*</b>", "<b>&nbsp;</b>", "<em>\s*</em>"]
            var etags = ["<pre></pre>", "<blockquote>\s*</blockquote>", "<dd></dd>", "<dt></dt>", "<ul></ul>", "<ol></ol>", "<li></li>", "<table></table>", "<tr></tr>", "<span>\s*<span>", "<span>&nbsp;<span>", "<p>\s*</p>", "<p></p>", "<p>&nbsp;</p>",  "<p>\s*<br>\s*</p>", "<div>\s*</div>", "<div>\s*<br>\s*</div>"];

            if (this.opts.removeEmptyTags)
            {
                etags = etags.concat(etagsInline);
            }
            else etags = etagsInline;

            var len = etags.length;
            for (var i = 0; i < len; ++i)
            {
                html = html.replace(new RegExp(etags[i], 'gi'), "");
            }

            return html;
        },
        cleanParagraphy: function(html)
        {
            html = $.trim(html);

            if (this.opts.linebreaks === true) return html;
            if (html === '' || html === '<p></p>') return this.opts.emptyHtml;

            html = html + "n";


            var safes = [];
            var matches = html.match(/<(table|div|pre|object)(.*?)>([wW]*?)</(table|div|pre|object)>/gi);
            if (!matches) matches = [];

            var commentsMatches = html.match(/<!--([wW]*?)-->/gi);
            if (commentsMatches) matches = $.merge(matches, commentsMatches);

            if (this.opts.phpTags)
            {
                var phpMatches = html.match(/<section(.*?)rel="redactor-php-tag">([wW]*?)</section>/gi);
                if (phpMatches) matches = $.merge(matches, phpMatches);
            }

            if (matches)
            {
                $.each(matches, function(i,s)
                {
                    safes[i] = s;
                    html = html.replace(s, '{replace' + i + '}n');
                });
            }

            html = html.replace(/<br />s*<br />/gi, "nn");

            function R(str, mod, r)
            {
                return html.replace(new RegExp(str, mod), r);
            }

            var blocks = '(comment|html|body|head|title|meta|style|script|link|iframe|table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';

            html = R('(<' + blocks + '[^>]*>)', 'gi', "n$1");
            html = R('(</' + blocks + '>)', 'gi', "$1nn");
            html = R("rn", 'g', "n");
            html = R("r", 'g', "n");
            html = R("/nn+/", 'g', "nn");

            var htmls = html.split(new RegExp('ns*n', 'g'), -1);

            html = '';
            for (var i in htmls)
            {
                if (htmls.hasOwnProperty(i))
                {
                    if (htmls[i].search('{replace') == -1)
                    {
                        html += '<p>' +  htmls[i].replace(/^n+|n+$/g, "") + "</p>";
                    }
                    else html += htmls[i];
                }
            }

            html = R('<p>s*</p>', 'gi', '');
            html = R('<p>([^<]+)</(div|address|form)>', 'gi', "<p>$1</p></$2>");
            html = R('<p>s*(</?' + blocks + '[^>]*>)s*</p>', 'gi', "$1");
            html = R("<p>(<li.+?)</p>", 'gi', "$1");
            html = R('<p>s*(</?' + blocks + '[^>]*>)', 'gi', "$1");

            html = R('(</?' + blocks + '[^>]*>)s*</p>', 'gi', "$1");
            html = R('(</?' + blocks + '[^>]*>)s*<br />', 'gi', "$1");
            html = R('<br />(s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)', 'gi', '$1');
            html = R("n</p>", 'gi', '</p>');

            html = R('<li><p>', 'gi', '<li>');
            html = R('</p></li>', 'gi', '</li>');
            html = R('</li><p>', 'gi', '</li>');
            //html = R('</ul><p>(.*?)</li>', 'gi', '</ul></li>');
            /* html = R('</ol><p>', 'gi', '</ol>'); */
            html = R('<p>t?n?<p>', 'gi', '<p>');
            html = R('</dt><p>', 'gi', '</dt>');
            html = R('</dd><p>', 'gi', '</dd>');
            html = R('<br></p></blockquote>', 'gi', '</blockquote>');
            html = R('<p>t*</p>', 'gi', '');


            // restore safes
            $.each(safes, function(i,s)
            {
                html = html.replace('{replace' + i + '}', s);
            });

            return $.trim(html);
        },
        cleanConvertInlineTags: function(html, set)
        {
            var boldTag = 'strong';
            if (this.opts.boldTag === 'b') boldTag = 'b';

            var italicTag = 'em';
            if (this.opts.italicTag === 'i') italicTag = 'i';

            html = html.replace(/<span style="font-style: italic;">([wW]*?)</span>/gi, '<' + italicTag + '>$1</' + italicTag + '>');
            html = html.replace(/<span style="font-weight: bold;">([wW]*?)</span>/gi, '<' + boldTag + '>$1</' + boldTag + '>');

            // bold, italic, del
            if (this.opts.boldTag === 'strong') html = html.replace(/<b>([wW]*?)</b>/gi, '<strong>$1</strong>');
            else html = html.replace(/<strong>([wW]*?)</strong>/gi, '<b>$1</b>');

            if (this.opts.italicTag === 'em') html = html.replace(/<i>([wW]*?)</i>/gi, '<em>$1</em>');
            else html = html.replace(/<em>([wW]*?)</em>/gi, '<i>$1</i>');

            if (set !== true)
            {
                html = html.replace(/<strike>([wW]*?)</strike>/gi, '<del>$1</del>');
            }
            else
            {
                html = html.replace(/<del>([wW]*?)</del>/gi, '<strike>$1</strike>');
            }

            return html;
        },
        cleanStripTags: function(html)
        {
            if (html == '' || typeof html == 'undefined') return html;

            var allowed = false;
            if (this.opts.allowedTags !== false) allowed = true;

            var arr = allowed === true ? this.opts.allowedTags : this.opts.deniedTags;

            var tags = /</?([a-z][a-z0-9]*)b[^>]*>/gi;
            html = html.replace(tags, function ($0, $1)
            {
                if (allowed === true) return $.inArray($1.toLowerCase(), arr) > '-1' ? $0 : '';
                else return $.inArray($1.toLowerCase(), arr) > '-1' ? '' : $0;
            });

            html = this.cleanConvertInlineTags(html);

            return html;

        },
        cleanSavePreCode: function(html, encode)
        {
            var pre = html.match(/<(pre|code)(.*?)>([wW]*?)</(pre|code)>/gi);
            if (pre !== null)
            {
                $.each(pre, $.proxy(function(i,s)
                {
                    var arr = s.match(/<(pre|code)(.*?)>([wW]*?)</(pre|code)>/i);

                    arr[3] = arr[3].replace(/&nbsp;/g, ' ');
                    if (encode !== false) arr[3] = this.cleanEncodeEntities(arr[3]);

                    html = html.replace(s, '<' + arr[1] + arr[2] + '>' + arr[3] + '</' + arr[1] + '>');

                }, this));
            }

            return html;
        },
        cleanEncodeEntities: function(str)
        {
            str = String(str).replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&quot;/g, '"');
            return String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
        },
        cleanUnverified: function()
        {
            // label, abbr, mark, meter, code, q, dfn, ins, time, kbd, var
            var $elem = this.$editor.find('li, img, a, b, strong, sub, sup, i, em, u, small, strike, del, span, cite');

            $elem.filter('[style*="background-color: transparent;"][style*="line-height"]')
            .css('background-color', '')
            .css('line-height', '');

            $elem.filter('[style*="background-color: transparent;"]')
            .css('background-color', '');

            $elem.css('line-height', '');

            $.each($elem, $.proxy(function(i,s)
            {
                this.removeEmptyAttr(s, 'style');
            }, this));

            // When we paste text in Safari is wrapping inserted div (remove it)
            this.$editor.find('div[style="text-align: -webkit-auto;"]').contents().unwrap();
        },
        cleanHtml: function(code)
        {
            var i = 0,
            codeLength = code.length,
            point = 0,
            start = null,
            end = null,
            tag = '',
            out = '',
            cont = '';

            this.cleanlevel = 0;

            for (; i < codeLength; i++)
            {
                point = i;

                // if no more tags, copy and exit
                if (-1 == code.substr(i).indexOf( '<' ))
                {
                    out += code.substr(i);

                    return this.cleanFinish(out);
                }

                // copy verbatim until a tag
                while (point < codeLength && code.charAt(point) != '<')
                {
                    point++;
                }

                if (i != point)
                {
                    cont = code.substr(i, point - i);
                    if (!cont.match(/^s{2,}$/g))
                    {
                        if ('n' == out.charAt(out.length - 1)) out += this.cleanGetTabs();
                        else if ('n' == cont.charAt(0))
                        {
                            out += 'n' + this.cleanGetTabs();
                            cont = cont.replace(/^s+/, '');
                        }

                        out += cont;
                    }

                    if (cont.match(/n/)) out += 'n' + this.cleanGetTabs();
                }

                start = point;

                // find the end of the tag
                while (point < codeLength && '>' != code.charAt(point))
                {
                    point++;
                }

                tag = code.substr(start, point - start);
                i = point;

                var t;

                if ('!--' == tag.substr(1, 3))
                {
                    if (!tag.match(/--$/))
                    {
                        while ('-->' != code.substr(point, 3))
                        {
                            point++;
                        }
                        point += 2;
                        tag = code.substr(start, point - start);
                        i = point;
                    }

                    if ('n' != out.charAt(out.length - 1)) out += 'n';

                    out += this.cleanGetTabs();
                    out += tag + '>n';
                }
                else if ('!' == tag[1])
                {
                    out = this.placeTag(tag + '>', out);
                }
                else if ('?' == tag[1])
                {
                    out += tag + '>n';
                }
                else if (t = tag.match(/^<(script|style|pre)/i))
                {
                    t[1] = t[1].toLowerCase();
                    tag = this.cleanTag(tag);
                    out = this.placeTag(tag, out);
                    end = String(code.substr(i + 1)).toLowerCase().indexOf('</' + t[1]);

                    if (end)
                    {
                        cont = code.substr(i + 1, end);
                        i += end;
                        out += cont;
                    }
                }
                else
                {
                    tag = this.cleanTag(tag);
                    out = this.placeTag(tag, out);
                }
            }

            return this.cleanFinish( out );
        },
        cleanGetTabs: function()
        {
            var s = '';
            for ( var j = 0; j < this.cleanlevel; j++ )
            {
                s += 't';
            }

            return s;
        },
        cleanFinish: function(code)
        {
            code = code.replace( /ns*n/g, 'n' );
            code = code.replace( /^[sn]*/, '' );
            code = code.replace( /[sn]*$/, '' );
            code = code.replace( /<script(.*?)>n</script>/gi, '<script$1></script>' );

            this.cleanlevel = 0;

            return code;
        },
        cleanTag: function (tag)
        {
            var tagout = '';
            tag = tag.replace(/n/g, ' ');
            tag = tag.replace(/s{2,}/g, ' ');
            tag = tag.replace(/^s+|s+$/g, ' ');

            var suffix = '';
            if (tag.match(//$/))
            {
                suffix = '/';
                tag = tag.replace(//+$/, '');
            }

            var m;
            while (m = /s*([^= ]+)(?:=((['"']).*?3|[^ ]+))?/.exec(tag))
            {
                if (m[2]) tagout += m[1].toLowerCase() + '=' + m[2];
                else if (m[1]) tagout += m[1].toLowerCase();

                tagout += ' ';
                tag = tag.substr(m[0].length);
            }

            return tagout.replace(/s*$/, '') + suffix + '>';
        },
        placeTag: function (tag, out)
        {
            var nl = tag.match(this.cleannewLevel);
            if (tag.match(this.cleanlineBefore) || nl)
            {
                out = out.replace(/s*$/, '');
                out += 'n';
            }

            if (nl && '/' == tag.charAt(1)) this.cleanlevel--;
            if ('n' == out.charAt(out.length - 1)) out += this.cleanGetTabs();
            if (nl && '/' != tag.charAt(1)) this.cleanlevel++;

            out += tag;

            if (tag.match(this.cleanlineAfter) || tag.match(this.cleannewLevel))
            {
                out = out.replace(/ *$/, '');
                out += 'n';
            }

            return out;
        },

        // FORMAT
        formatEmpty: function(e)
        {
            var html = $.trim(this.$editor.html());

            if (this.opts.linebreaks)
            {
                if (html == '')
                {
                    e.preventDefault();
                    this.$editor.html('');
                    this.focus();
                }
            }
            else
            {
                html = html.replace(/<brs?/?>/i, '');
                var thtml = html.replace(/<p>s?</p>/gi, '');

                if (html === '' || thtml === '')
                {
                    e.preventDefault();

                    var node = $(this.opts.emptyHtml).get(0);
                    this.$editor.html(node);
                    this.focus();
                }
            }

            this.sync();
        },
        formatBlocks: function(tag)
        {
            this.bufferSet();

            var nodes = this.getBlocks();
            this.selectionSave();

            $.each(nodes, $.proxy(function(i, node)
            {
                if (node.tagName !== 'LI')
                {
                    var parent = $(node).parent();

                    if (tag === 'p')
                    {
                        if ((node.tagName === 'P'
                        && parent.size() != 0
                        && parent[0].tagName === 'BLOCKQUOTE')
                        ||
                        node.tagName === 'BLOCKQUOTE')
                        {
                            this.formatQuote();
                            return;
                        }
                        else if (this.opts.linebreaks) return;
                        else
                        {
                            this.formatBlock(tag, node);
                        }
                    }
                    else
                    {
                        this.formatBlock(tag, node);
                    }
                }

            }, this));

            this.selectionRestore();
            this.sync();
        },
        formatBlock: function(tag, block)
        {
            if (block === false) block = this.getBlock();
            if (block === false)
            {
                if (this.opts.linebreaks === true) this.execCommand('formatblock', tag);
                return true;
            }

            var contents = '';
            if (tag !== 'pre')
            {
                contents = $(block).contents();
            }
            else
            {
                //contents = this.cleanEncodeEntities($(block).text());
                contents = $(block).html();
                if ($.trim(contents) === '')
                {
                    contents = '<span id="selection-marker-1"></span>';
                }
            }

            if (block.tagName === 'PRE') tag = 'p';

            if (this.opts.linebreaks === true && tag === 'p')
            {
                $(block).replaceWith($('<div>').append(contents).html() + '<br>');
            }
            else
            {
                var node = $('<' + tag + '>').append(contents);
                $(block).replaceWith(node);
            }
        },
        formatChangeTag: function(fromElement, toTagName, save)
        {
            if (save !== false) this.selectionSave();

            var newElement = $('<' + toTagName + '/>');
            $(fromElement).replaceWith(function() { return newElement.append($(this).contents()); });

            if (save !== false) this.selectionRestore();

            return newElement;
        },

        // QUOTE
        formatQuote: function()
        {
            this.bufferSet();

            // paragraphy
            if (this.opts.linebreaks === false)
            {
                this.selectionSave();

                var blocks = this.getBlocks();
                var blockquote = false;
                var blocksLen = blocks.length;
                if (blocks)
                {
                    var data = '';
                    var replaced = '';
                    var replace = false;
                    var paragraphsOnly = true;

                    $.each(blocks, function(i,s)
                    {
                        if (s.tagName !== 'P') paragraphsOnly = false;
                    });

                    $.each(blocks, $.proxy(function(i,s)
                    {
                        if (s.tagName === 'BLOCKQUOTE')
                        {
                            this.formatBlock('p', s, false);
                        }
                        else if (s.tagName === 'P')
                        {
                            blockquote = $(s).parent();
                            // from blockquote
                            if (blockquote[0].tagName == 'BLOCKQUOTE')
                            {
                                var count = $(blockquote).children('p').size();

                                // one
                                if (count == 1)
                                {
                                    $(blockquote).replaceWith(s);
                                }
                                // all
                                else if (count == blocksLen)
                                {
                                    replace = 'blockquote';
                                    data += this.outerHtml(s);
                                }
                                // some
                                else
                                {
                                    replace = 'html';
                                    data += this.outerHtml(s);

                                    if (i == 0)
                                    {
                                        $(s).addClass('redactor-replaced').empty();
                                        replaced = this.outerHtml(s);
                                    }
                                    else $(s).remove();
                                }
                            }
                            // to blockquote
                            else
                            {
                                if (paragraphsOnly === false || blocks.length == 1)
                                {
                                    this.formatBlock('blockquote', s, false);
                                }
                                else
                                {
                                    replace = 'paragraphs';
                                    data += this.outerHtml(s);
                                }
                            }

                        }
                        else if (s.tagName !== 'LI')
                        {
                            this.formatBlock('blockquote', s, false);
                        }

                    }, this));

                    if (replace)
                    {
                        if (replace == 'paragraphs')
                        {
                            $(blocks[0]).replaceWith('<blockquote>' + data + '</blockquote>');
                            $(blocks).remove();
                        }
                        else if (replace == 'blockquote')
                        {
                            $(blockquote).replaceWith(data);
                        }
                        else if (replace == 'html')
                        {
                            var html = this.$editor.html().replace(replaced, '</blockquote>' + data + '<blockquote>');

                            this.$editor.html(html);
                            this.$editor.find('blockquote').each(function()
                            {
                                if ($.trim($(this).html()) == '') $(this).remove();
                            })
                        }
                    }
                }

                this.selectionRestore();
            }
            // linebreaks
            else
            {
                var block = this.getBlock();
                if (block.tagName === 'BLOCKQUOTE')
                {
                    this.selectionSave();

                    var html = $.trim($(block).html());
                    var selection = $.trim(this.getSelectionHtml());

                    html = html.replace(/<span(.*?)id="selection-marker(.*?)</span>/gi, '');

                    if (html == selection)
                    {
                        $(block).replaceWith($(block).html() + '<br>');
                    }
                    else
                    {
                        // replace
                        this.inlineFormat('tmp');
                        var tmp = this.$editor.find('tmp');
                        tmp.empty();

                        var newhtml = this.$editor.html().replace('<tmp></tmp>', '</blockquote><span id="selection-marker-1">' + this.opts.invisibleSpace + '</span>' + selection + '<blockquote>');

                        this.$editor.html(newhtml);
                        tmp.remove();
                        this.$editor.find('blockquote').each(function()
                        {
                            if ($.trim($(this).html()) == '') $(this).remove();
                        })
                    }

                    this.selectionRestore();
                    this.$editor.find('span#selection-marker-1').attr('id', false);
                }
                else
                {
                    var wrapper = this.selectionWrap('blockquote');
                    var html = $(wrapper).html();

                    var blocksElemsRemove = ['ul', 'ol', 'table', 'tr', 'tbody', 'thead', 'tfoot', 'dl'];
                    $.each(blocksElemsRemove, function(i,s)
                    {
                        html = html.replace(new RegExp('<' + s + '(.*?)>', 'gi'), '');
                        html = html.replace(new RegExp('</' + s + '>', 'gi'), '');
                    });

                    var blocksElems = this.opts.blockLevelElements;
                    blocksElems.push('td');
                    $.each(blocksElems, function(i,s)
                    {
                        html = html.replace(new RegExp('<' + s + '(.*?)>', 'gi'), '');
                        html = html.replace(new RegExp('</' + s + '>', 'gi'), '<br>');
                    });

                    $(wrapper).html(html);
                    this.selectionElement(wrapper);
                    var next = $(wrapper).next();
                    if (next.size() != 0 && next[0].tagName === 'BR')
                    {
                        next.remove();
                    }
                }
            }

            this.sync();
        },

        // BLOCK
        blockRemoveAttr: function(attr, value)
        {
            var nodes = this.getBlocks();
            $(nodes).removeAttr(attr);

            this.sync();
        },
        blockSetAttr: function(attr, value)
        {
            var nodes = this.getBlocks();
            $(nodes).attr(attr, value);

            this.sync();
        },
        blockRemoveStyle: function(rule)
        {
            var nodes = this.getBlocks();
            $(nodes).css(rule, '');
            this.removeEmptyAttr(nodes, 'style');

            this.sync();
        },
        blockSetStyle: function (rule, value)
        {
            var nodes = this.getBlocks();
            $(nodes).css(rule, value);

            this.sync();
        },
        blockRemoveClass: function(className)
        {
            var nodes = this.getBlocks();
            $(nodes).removeClass(className);
            this.removeEmptyAttr(nodes, 'class');

            this.sync();
        },
        blockSetClass: function(className)
        {
            var nodes = this.getBlocks();
            $(nodes).addClass(className);

            this.sync();
        },

        // INLINE
        inlineRemoveClass: function(className)
        {
            this.selectionSave();

            this.inlineEachNodes(function(node)
            {
                $(node).removeClass(className);
                this.removeEmptyAttr(node, 'class');
            });

            this.selectionRestore();
            this.sync();
        },

        inlineSetClass: function(className)
        {
            var current = this.getCurrent();
            if (!$(current).hasClass(className)) this.inlineMethods('addClass', className);
        },
        inlineRemoveStyle: function (rule)
        {
            this.selectionSave();

            this.inlineEachNodes(function(node)
            {
                $(node).css(rule, '');
                this.removeEmptyAttr(node, 'style');
            });

            this.selectionRestore();
            this.sync();
        },
        inlineSetStyle: function(rule, value)
        {
            this.inlineMethods('css', rule, value);
        },
        inlineRemoveAttr: function (attr)
        {
            this.selectionSave();

            var range = this.getRange(), node = this.getElement(), nodes = this.getNodes();

            if (range.collapsed || range.startContainer === range.endContainer && node)
            {
                nodes = $( node );
            }

            $(nodes).removeAttr(attr);

            this.inlineUnwrapSpan();

            this.selectionRestore();
            this.sync();
        },
        inlineSetAttr: function(attr, value)
        {
            this.inlineMethods('attr', attr, value );
        },
        inlineMethods: function(type, attr, value)
        {
            this.bufferSet();
            this.selectionSave();

            var range = this.getRange()
            var el = this.getElement();

            if ((range.collapsed || range.startContainer === range.endContainer) && el && !this.nodeTestBlocks(el))
            {
                $(el)[type](attr, value);
            }
            else
            {
                this.document.execCommand('fontSize', false, 4 );

                var fonts = this.$editor.find('font');
                $.each(fonts, $.proxy(function(i, s)
                {
                    this.inlineSetMethods(type, s, attr, value);

                }, this));
            }

            this.selectionRestore();

            this.sync();
        },
        inlineSetMethods: function(type, s, attr, value)
        {
            var parent = $(s).parent(), el;

            if (parent && parent[0].tagName === 'INLINE' && parent[0].attributes.length != 0)
            {
                el = parent;
                $(s).replaceWith($(s).html());
            }
            else
            {
                el = $('<inline>').append($(s).contents());
                $(s).replaceWith(el);
            }

            $(el)[type](attr, value);

            return el;
        },
        // Sort elements and execute callback
        inlineEachNodes: function(callback)
        {
            var range = this.getRange(),
                node = this.getElement(),
                nodes = this.getNodes(),
                collapsed;

            if (range.collapsed || range.startContainer === range.endContainer && node)
            {
                nodes = $(node);
                collapsed = true;
            }

            $.each(nodes, $.proxy(function(i, node)
            {
                if (!collapsed && node.tagName !== 'INLINE')
                {
                    if (node.parentNode.tagName === 'INLINE' && !$(node.parentNode).hasClass('redactor_editor'))
                    {
                        node = node.parentNode;
                    }
                    else return;
                }
                callback.call(this, node);

            }, this ) );
        },
        inlineUnwrapSpan: function()
        {
            var $spans = this.$editor.find('inline');

            $.each($spans, $.proxy(function(i, span)
            {
                var $span = $(span);

                if ($span.attr('class') === undefined && $span.attr('style') === undefined)
                {
                    $span.contents().unwrap();
                }

            }, this));
        },
        inlineFormat: function(tag)
        {
            this.selectionSave();

            this.document.execCommand('fontSize', false, 4 );

            var fonts = this.$editor.find('font');
            var last;
            $.each(fonts, function(i, s)
            {
                var el = $('<' + tag + '/>').append($(s).contents());
                $(s).replaceWith(el);
                last = el;
            });

            this.selectionRestore();

            this.sync();
        },
        inlineRemoveFormat: function(tag)
        {
            this.selectionSave();

            var utag = tag.toUpperCase();
            var nodes = this.getNodes();
            var parent = $(this.getParent()).parent();

            $.each(nodes, function(i, s)
            {
                if (s.tagName === utag) this.inlineRemoveFormatReplace(s);
            });

            if (parent && parent[0].tagName === utag) this.inlineRemoveFormatReplace(parent);

            this.selectionRestore();
            this.sync();
        },
        inlineRemoveFormatReplace: function(el)
        {
            $(el).replaceWith($(el).contents());
        },

        // INSERT
        insertHtml: function (html, sync)
        {
            var current = this.getCurrent();
            var parent = current.parentNode;

            this.$editor.focus();

            this.bufferSet();

            var $html = $('<div>').append($.parseHTML(html));
            html = $html.html();

            html = this.cleanRemoveEmptyTags(html);

            // Update value
            $html = $('<div>').append($.parseHTML(html));

            var currBlock = this.getBlock();

            if ($html.contents().length == 1)
            {
                var htmlTagName = $html.contents()[0].tagName;

                // If the inserted and received text tags match
                if (htmlTagName != 'P' && htmlTagName == currBlock.tagName || htmlTagName == 'PRE')
                {
                    html = $html.text();
                    $html = $('<div>').append(html);
                }
            }

            // add text in a paragraph
            if (!this.opts.linebreaks && $html.contents().length == 1 && $html.contents()[0].nodeType == 3
                && (this.getRangeSelectedNodes().length > 2 || (!current || current.tagName == 'BODY' && !parent || parent.tagName == 'HTML')))
            {
                html = '<p>' + html + '</p>';
            }

            html = this.setSpansVerifiedHtml(html);

            if ($html.contents().length > 1 && currBlock
                    || $html.contents().is('p, :header, ul, ol, li, div, table, td, blockquote, pre, address, section, header, footer, aside, article'))
            {
                if (this.browser('msie')) this.document.selection.createRange().pasteHTML(html);
                else this.document.execCommand('inserthtml', false, html);
            }
            else this.insertHtmlAdvanced(html, false);

            if (this.selectall)
            {
                this.window.setTimeout($.proxy(function()
                {
                    if (!this.opts.linebreaks) this.selectionEnd(this.$editor.contents().last());
                    else this.focusEnd();

                }, this), 1);
            }

            this.observeStart();

            // set no editable
            this.setNonEditable();

            if (sync !== false) this.sync();
        },
        insertHtmlAdvanced: function(html, sync)
        {
            var sel = this.getSelection();

            if (sel.getRangeAt && sel.rangeCount)
            {
                var range = sel.getRangeAt(0);
                range.deleteContents();

                var el = this.document.createElement('div');
                el.innerHTML = html;
                var frag = this.document.createDocumentFragment(), node, lastNode;
                while ((node = el.firstChild))
                {
                    lastNode = frag.appendChild(node);
                }

                range.insertNode(frag);

                if (lastNode)
                {
                    range = range.cloneRange();
                    range.setStartAfter(lastNode);
                    range.collapse(true);
                    sel.removeAllRanges();
                    sel.addRange(range);
                }
            }

            if (sync !== false)
            {
                this.sync();
            }

        },
        insertText: function(html)
        {
            var $html = $($.parseHTML(html));

            if ($html.length) html = $html.text();

            this.$editor.focus();

            if (this.browser('msie')) this.document.selection.createRange().pasteHTML(html);
            else this.document.execCommand('inserthtml', false, html);

            this.sync();
        },
        insertNode: function(node)
        {
            node = node[0] || node;
            var sel = this.getSelection();
            if (sel.getRangeAt && sel.rangeCount)
            {
                // with delete contents
                range = sel.getRangeAt(0);
                range.deleteContents();
                range.insertNode(node);
                range.setEndAfter(node);
                range.setStartAfter(node);
                sel.removeAllRanges();
                sel.addRange(range);
            }
        },
        insertNodeToCaretPositionFromPoint: function(e, node)
        {
            var range;
            var x = e.clientX, y = e.clientY;
            if (this.document.caretPositionFromPoint)
            {
                var pos = this.document.caretPositionFromPoint(x, y);
                range = this.getRange();
                range.setStart(pos.offsetNode, pos.offset);
                range.collapse(true);
                range.insertNode(node);
            }
            else if (this.document.caretRangeFromPoint)
            {
                range = this.document.caretRangeFromPoint(x, y);
                range.insertNode(node);
            }
            else if (typeof document.body.createTextRange != "undefined")
            {
                range = this.document.body.createTextRange();
                range.moveToPoint(x, y);
                var endRange = range.duplicate();
                endRange.moveToPoint(x, y);
                range.setEndPoint("EndToEnd", endRange);
                range.select();
            }

        },
        insertAfterLastElement: function(element, parent)
        {
            if (typeof(parent) != 'undefined') element = parent;

            if (this.isEndOfElement())
            {
                if (this.opts.linebreaks)
                {
                    var contents = $('<div>').append($.trim(this.$editor.html())).contents();
                    if (this.outerHtml(contents.last()[0]) != this.outerHtml(element))
                    {
                        return false;
                    }
                }
                else
                {
                    if (this.$editor.contents().last()[0] !== element)
                    {
                        return false;
                    }
                }

                this.bufferSet();

                if (this.opts.linebreaks === false)
                {
                    var node = $(this.opts.emptyHtml);
                    $(element).after(node);
                    this.selectionStart(node);
                }
                else
                {
                    var node = $('<span id="selection-marker-1">' + this.opts.invisibleSpace + '</span>', this.document)[0];
                    $(element).after(node);
                    $(node).after(this.opts.invisibleSpace);
                    this.selectionRestore();
                    this.$editor.find('span#selection-marker-1').removeAttr('id');
                }
            }
        },
        insertLineBreak: function()
        {
            this.selectionSave();
            this.$editor.find('#selection-marker-1').before('<br>' + (this.browser('webkit') ? this.opts.invisibleSpace : ''));
            this.selectionRestore();
        },
        insertDoubleLineBreak: function()
        {
            this.selectionSave();
            this.$editor.find('#selection-marker-1').before('<br><br>' + (this.browser('webkit') ? this.opts.invisibleSpace : ''));
            this.selectionRestore();
        },
        replaceLineBreak: function(element)
        {
            //var node = this.document.createTextNode('uFEFF');
            var node = $('<br>' + this.opts.invisibleSpace);
            $(element).replaceWith(node);
            this.selectionStart(node);
        },

        // PASTE
        pasteClean: function(html)
        {
            html = this.callback('pasteBefore', false, html);

            if (this.opts.pastePlainText)
            {
                var tmp = this.document.createElement('div');

                html = html.replace(/<br>|</H[1-6]>|</p>|</div>/gi, 'n');

                tmp.innerHTML = html;
                html = tmp.textContent || tmp.innerText;

                html = $.trim(html);
                html = html.replace('n', '<br>');
                html = this.cleanParagraphy(html);

                this.pasteInsert(html);
                return false;
            }

            // clean up pre
            if (this.currentOrParentIs('PRE'))
            {
                html = this.pastePre(html);
                this.pasteInsert(html);
                return true;
            }


            // ms word list
            html = html.replace(/<p(.*?)class="MsoListParagraphCxSpFirst"([wW]*?)</p>/gi, '<ul><li$2</li>');
            html = html.replace(/<p(.*?)class="MsoListParagraphCxSpMiddle"([wW]*?)</p>/gi, '<li$2</li>');
            html = html.replace(/<p(.*?)class="MsoListParagraphCxSpLast"([wW]*?)</p>/gi, '<li$2</li></ul>');
            // one line
            html = html.replace(/<p(.*?)class="MsoListParagraph"([wW]*?)</p>/gi, '<ul><li$2</li></ul>');
            // remove ms word's bullet
            html = html.replace(/·/g, '');

            // remove comments and php tags
            html = html.replace(/<!--[sS]*?-->|<?(?:php)?[sS]*??>/gi'');

            
// remove nbsp
            
html html.replace(/(&nbsp;){2,}/gi'&nbsp;');
            
html html.replace(/&nbsp;/gi' ');

            
// remove google docs marker
            
html html.replace(/<bsid="internal-source-marker(.*?)">([wW]*?)</b>/gi"$2");
            
html html.replace(/<b(.*?)id="docs-internal-guid(.*?)">([wW]*?)</b>/gi"$3");

            
// strip tags
            
html this.cleanStripTags(html);

            
// prevert
            
html html.replace(/<td></td>/gi'[td]');
            
html html.replace(/<td>&nbsp;</td>/gi'[td]');
            
html html.replace(/<td><br></td>/gi'[td]');
            
html html.replace(/<td(.*?)colspan="(.*?)"(.*?)>([wW]*?)</td>/gi'[td colspan="$2"]$4[/td]');
            
html html.replace(/<a(.*?)href="(.*?)"(.*?)>([wW]*?)</a>/gi'[a href="$2"]$4[/a]');
            
html html.replace(/<iframe(.*?)>([wW]*?)</iframe>/gi'[iframe$1]$2[/iframe]');
            
html html.replace(/<video(.*?)>([wW]*?)</video>/gi'[video$1]$2[/video]');
            
html html.replace(/<audio(.*?)>([wW]*?)</audio>/gi'[audio$1]$2[/audio]');
            
html html.replace(/<embed(.*?)>([wW]*?)</embed>/gi'[embed$1]$2[/embed]');
            
html html.replace(/<object(.*?)>([wW]*?)</object>/gi'[object$1]$2[/object]');
            
html html.replace(/<param(.*?)>/gi'[param$1]');
            
html html.replace(/<img(.*?)>/gi'[img$1]');

            
// remove classes
            
html html.replace(/ class="(.*?)"/gi'');

            
// remove all attributes
            
html html.replace(/<(w+)([wW]*?)>/gi'<$1>');

            
// remove empty
            
html html.replace(/<[^/>][^>]*>(s*|t*|n*|&nbsp;|<br>)</[^>]+>/gi'');
            
html html.replace(/<div>s*?t*?n*?(<ul>|<ol>|<p>)/gi'$1');

            
// revert
            
html html.replace(/[td colspan="(.*?)"]([wW]*?)[/td]/gi'<td colspan="$1">$2</td>');
            
html html.replace(/[td]/gi'<td>&nbsp;</td>');
            
html html.replace(/[a href="(.*?)"]([wW]*?)[/a]/gi'<a href="$1">$2</a>');
            
html html.replace(/[iframe(.*?)]([wW]*?)[/iframe]/gi'<iframe$1>$2</iframe>');
            
html html.replace(/[video(.*?)]([wW]*?)[/video]/gi'<video$1>$2</video>');
            
html html.replace(/[audio(.*?)]([wW]*?)[/audio]/gi'<audio$1>$2</audio>');
            
html html.replace(/[embed(.*?)]([wW]*?)[/embed]/gi'<embed$1>$2</embed>');
            
html html.replace(/[object(.*?)]([wW]*?)[/object]/gi'<object$1>$2</object>');
            
html html.replace(/[param(.*?)]/gi'<param$1>');
            
html html.replace(/[img(.*?)]/gi'<img$1>');

            
// convert div to p
            
if (this.opts.convertDivs)
            {
                
html html.replace(/<div(.*?)>([wW]*?)</div>/gi'<p>$2</p>');
                
html html.replace(/</div><p>/gi'<p>');
                
html html.replace(/</p></div>/gi'</p>');
            }

            if (
this.currentOrParentIs('LI'))
            {
                
html html.replace(/<p>([wW]*?)</p>/gi'$1<br>');
            }
            else
            {
                
html this.cleanParagraphy(html);
            }


            
// remove span
            
html html.replace(/<span(.*?)>([wW]*?)</span>/gi'$2');

            
// remove empty
            
html html.replace(/<img>/gi'');
            
html html.replace(/<[^/>][^>][^img|param|source]*>(s*|t*|n*|&nbsp;|<br>)</[^>]+>/gi'');

            
html html.replace(/n{3,}/gi'n');

            
// remove dirty p
            
html html.replace(/<p><p>/gi'<p>');
            
html html.replace(/</p></p>/gi'</p>');

            
html html.replace(/<li>(s*|t*|n*)<p>/gi'<li>');
            
html html.replace(/</p>(s*|t*|n*)</li>/gi'</li>');

            if (
this.opts.linebreaks === true)
            {
                
html html.replace(/<p(.*?)>([wW]*?)</p>/gi'$2<br>');
            }

            
// remove empty finally
            
html html.replace(/<[^/>][^>][^img|param|source]*>(s*|t*|n*|&nbsp;|<br>)</[^>]+>/gi'');

            
// remove safari local images
            
html html.replace(/<img src="webkit-fake-url://(.*?)"(.*?)>/gi'');

            
// remove p in td
            
html html.replace(/<td(.*?)>(s*|t*|n*)<p>([wW]*?)</p>(s*|t*|n*)</td>/gi'<td$1>$3</td>');

            
// remove divs
            
html html.replace(/<div(.*?)>([wW]*?)</div>/gi'$2');
            
html html.replace(/<div(.*?)>([wW]*?)</div>/gi'$2');

            
// FF specific
            
this.pasteClipboardMozilla false;
            if (
this.browser('mozilla'))
            {
                if (
this.opts.clipboardUpload)
                {
                    var 
matches html.match(/<img src="data:image(.*?)"(.*?)>/gi);
                    if (
matches !== null)
                    {
                        
this.pasteClipboardMozilla matches;
                        for (
k in matches)
                        {
                            var 
img matches[k].replace('<img''<img data-mozilla-paste-image="' '" ');
                            
html html.replace(matches[k], img);
                        }
                    }
                }

                
// FF fix
                
while (/<br>$/gi.test(html))
                {
                    
html html.replace(/<br>$/gi'');
                }
            }

            
// bullets again
            
html html.replace(/<p>([wW]*?)</p>/gi'<li>$1</li>');

            
// ie inserts a blank font tags when pasting
            
while (/<font>([wW]*?)</font>/gi.test(html))
            {
                
html html.replace(/<font>([wW]*?)</font>/gi'$1');
            }


            
this.pasteInsert(html);

        },
        
pastePre: function(s)
        {
            
s.replace(/<br>|</H[1-6]>|</p>|</div>/gi'n');

            var 
tmp this.document.createElement('div');
            
tmp.innerHTML s;
            return 
this.cleanEncodeEntities(tmp.textContent || tmp.innerText);
        },
        
pasteInsert: function(html)
        {
            if (
this.selectall)
            {
                if (!
this.opts.linebreaksthis.$editor.html(this.opts.emptyHtml);
                else 
this.$editor.html('');

                
this.$editor.focus();
            }

            
html this.callback('pasteAfter'falsehtml);

            
this.insertHtml(html);

            
this.selectall false;
            
setTimeout($.proxy(function()
            {
                
this.rtePaste false;

                
// FF specific
                
if (this.browser('mozilla'))
                {
                    
this.$editor.find('p:empty').remove()
                }
                if (
this.pasteClipboardMozilla !== false)
                {
                    
this.pasteClipboardUploadMozilla();
                }

            }, 
this), 100);

            if (
this.opts.autoresize) $(this.document.body).scrollTop(this.saveScroll);
            else 
this.$editor.scrollTop(this.saveScroll);
        },
        
pasteClipboardUploadMozilla: function()
        {
            var 
imgs this.$editor.find('img[data-mozilla-paste-image]');
            $.
each(imgs, $.proxy(function(i,s)
            {
                var 
$s = $(s);
                var 
arr s.src.split(",");
                var 
data arr[1]; // raw base64
                
var contentType arr[0].split(";")[0].split(":")[1];

                $.
post(this.opts.clipboardUploadUrl, {
                    
contentTypecontentType,
                    
datadata
                
},
                $.
proxy(function(data)
                {
                    var 
json = (typeof data === 'string' ? $.parseJSON(data) : data);
                    
$s.attr('src'json.filelink);
                    
$s.removeAttr('data-mozilla-paste-image');

                    
this.sync();

                    
// upload callback
                    
this.callback('imageUpload'$sjson);

                }, 
this));

            }, 
this));
        },
        
pasteClipboardUpload: function(e)
        {
            var 
result e.target.result;
            var 
arr result.split(",");
            var 
data arr[1]; // raw base64
            
var contentType arr[0].split(";")[0].split(":")[1];

            if (
this.opts.clipboardUpload)
            {
                $.
post(this.opts.clipboardUploadUrl, {
                    
contentTypecontentType,
                    
datadata
                
},
                $.
proxy(function(data)
                {
                    var 
json = (typeof data === 'string' ? $.parseJSON(data) : data);

                    var 
html '<img src="' json.filelink '" id="clipboard-image-marker" />';
                    
this.execCommand('inserthtml'htmlfalse);

                    var 
image = $(this.$editor.find('img#clipboard-image-marker'));

                    if (
image.lengthimage.removeAttr('id');
                    else 
image false;

                    
this.sync();

                    
// upload callback
                    
if (image)
                    {
                        
this.callback('imageUpload'imagejson);
                    }


                }, 
this));
            }
            else
            {
                
this.insertHtml('<img src="' result '" />');
            }
        },

        
// BUFFER
        
bufferSet: function(html)
        {
            if (
html !== undefinedthis.opts.buffer.push(html);
            else
            {
                
this.selectionSave();
                
this.opts.buffer.push(this.$editor.html());
                
this.selectionRemoveMarkers('buffer');
            }
        },
        
bufferUndo: function()
        {
            if (
this.opts.buffer.length === 0)
            {
                
this.$editor.focus();
                return;
            }

            
// rebuffer
            
this.selectionSave();
            
this.opts.rebuffer.push(this.$editor.html());
            
this.selectionRestore(falsetrue);

            
this.$editor.html(this.opts.buffer.pop());

            
this.selectionRestore();
            
setTimeout($.proxy(this.observeStartthis), 100);
        },
        
bufferRedo: function()
        {
            if (
this.opts.rebuffer.length === 0)
            {
                
this.$editor.focus();
                return 
false;
            }

            
// buffer
            
this.selectionSave();
            
this.opts.buffer.push(this.$editor.html());
            
this.selectionRestore(falsetrue);

            
this.$editor.html(this.opts.rebuffer.pop());
            
this.selectionRestore(true);
            
setTimeout($.proxy(this.observeStartthis), 4);
        },

        
// OBSERVE
        
observeStart: function()
        {
            
this.observeImages();

            if (
this.opts.observeLinksthis.observeLinks();
        },
        
observeLinks: function()
        {
            
this.$editor.find('a').on('click', $.proxy(this.linkObserverthis));
            
this.$editor.on('click.redactor', $.proxy(function(e)
            {
                
this.linkObserverTooltipClose(e);

            }, 
this));
        },
        
observeImages: function()
        {
            if (
this.opts.observeImages === false) return false;

            
this.$editor.find('img').each($.proxy(function(ielem)
            {
                if (
this.browser('msie')) $(elem).attr('unselectable''on');
                
this.imageResize(elem);

            }, 
this));
        },
        
linkObserver: function(e)
        {
            var 
$link = $(e.target);
            var 
pos $link.offset();
            if (
this.opts.iframe)
            {
                var 
posFrame this.$frame.offset();
                
pos.top posFrame.top + (pos.top - $(this.document).scrollTop());
                
pos.left += posFrame.left;
            }

            var 
tooltip = $('<span class="redactor-link-tooltip"></span>');

            var 
href $link.attr('href');
            if (
href.length 24href href.substring(0,24) + '...';

            var 
aLink = $('<a href="' $link.attr('href') + '" target="_blank">' href '</a>').on('click', $.proxy(function(e)
            {
                
this.linkObserverTooltipClose(false);
            }, 
this));

            var 
aEdit = $('<a href="#">' this.opts.curLang.edit '</a>').on('click', $.proxy(function(e)
            {
                
e.preventDefault();
                
this.linkShow();
                
this.linkObserverTooltipClose(false);

            }, 
this));

            var 
aUnlink = $('<a href="#">' this.opts.curLang.unlink '</a>').on('click', $.proxy(function(e)
            {
                
e.preventDefault();
                
this.execCommand('unlink');
                
this.linkObserverTooltipClose(false);

            }, 
this));


            
tooltip.append(aLink);
            
tooltip.append(' | ');
            
tooltip.append(aEdit);
            
tooltip.append(' | ');
            
tooltip.append(aUnlink);
            
tooltip.css({
                
top: (pos.top 20) + 'px',
                
leftpos.left 'px'
            
});

            $(
'.redactor-link-tooltip').remove();
            $(
'body').append(tooltip);
        },
        
linkObserverTooltipClose: function(e)
        {
            if (
!== false && e.target.tagName == 'A') return false;
            $(
'.redactor-link-tooltip').remove();
        },

        
// SELECTION
        
getSelection: function()
        {
            if (!
this.opts.rangy) return this.document.getSelection();
            else 
// rangy
            
{
                if (!
this.opts.iframe) return rangy.getSelection();
                else return 
rangy.getSelection(this.$frame[0]);
            }
        },
        
getRange: function()
        {
            if (!
this.opts.rangy)
            {
                if (
this.document.getSelection)
                {
                    var 
sel this.getSelection();
                    if (
sel.getRangeAt && sel.rangeCount) return sel.getRangeAt(0);
                }

                return 
this.document.createRange();
            }
            else 
// rangy
            
{
                if (!
this.opts.iframe) return rangy.createRange();
                else return 
rangy.createRange(this.iframeDoc());
            }
        },
        
selectionElement: function(node)
        {
            
this.setCaret(node);
        },
        
selectionStart: function(node)
        {
            
this.selectionSet(node[0] || node0null0);
        },
        
selectionEnd: function(node)
        {
            
this.selectionSet(node[0] || node1null1);
        },
        
selectionSet: function(orgnorgofocnfoco)
        {
            if (
focn == nullfocn orgn;
            if (
foco == nullfoco orgo;

            var 
sel this.getSelection();
            if (!
sel) return;

            var 
range this.getRange();
            
range.setStart(orgnorgo);
            
range.setEnd(focnfoco );

            try {
                
sel.removeAllRanges();
            } catch (
e) {}

            
sel.addRange(range);
        },
        
selectionWrap: function(tag)
        {
            
tag tag.toLowerCase();

            var 
block this.getBlock();
            if (
block)
            {
                var 
wrapper this.formatChangeTag(blocktag);
                
this.sync();
                return 
wrapper;
            }

            var 
sel this.getSelection();
            var 
range sel.getRangeAt(0);
            var 
wrapper document.createElement(tag);
            
wrapper.appendChild(range.extractContents());
            
range.insertNode(wrapper);

            
this.selectionElement(wrapper);

            return 
wrapper;
        },
        
selectionAll: function()
        {
            var 
range this.getRange();
            
range.selectNodeContents(this.$editor[0]);

            var 
sel this.getSelection();
            
sel.removeAllRanges();
            
sel.addRange(range);
        },
        
selectionRemove: function()
        {
            
this.getSelection().removeAllRanges();
        },
        
getCaretOffset: function (element)
        {
            var 
caretOffset 0;

            var 
range this.getRange();
            var 
preCaretRange range.cloneRange();
            
preCaretRange.selectNodeContents(element);
            
preCaretRange.setEnd(range.endContainerrange.endOffset);
            
caretOffset = $.trim(preCaretRange.toString()).length;

            return 
caretOffset;
        },
        
getCaretOffsetRange: function()
        {
            return new 
Range(this.getSelection().getRangeAt(0));
        },
        
setCaret: function (elstartend)
        {
            if (
typeof end === 'undefined'end start;
            
el el[0] || el;

            var 
range this.getRange();
            
range.selectNodeContents(el);

            var 
textNodes this.getTextNodesIn(el);
            var 
foundStart false;
            var 
charCount 0endCharCount;

            if (
textNodes.length == && start)
            {
                
range.setStart(textNodes[0], start);
                
range.setEnd(textNodes[0], end);
            }
            else
            {
                for (var 
0textNodetextNode textNodes[i++];)
                {
                    
endCharCount charCount textNode.length;
                    if (!
foundStart && start >= charCount && (start endCharCount || (start == endCharCount && textNodes.length)))
                    {
                        
range.setStart(textNodestart charCount);
                        
foundStart true;
                    }

                    if (
foundStart && end <= endCharCount)
                    {
                        
range.setEndtextNodeend charCount );
                        break;
                    }

                    
charCount endCharCount;
                }
            }

            var 
sel this.getSelection();
            
sel.removeAllRanges();
            
sel.addRangerange );
        },
        
getTextNodesIn: function (node)
        {
            var 
textNodes = [];

            if (
node.nodeType == 3textNodes.push(node);
            else
            {
                var 
children node.childNodes;
                for (var 
0len children.lengthlen; ++i)
                {
                    
textNodes.push.apply(textNodesthis.getTextNodesIn(children[i]));
                }
            }

            return 
textNodes;
        },

        
// GET ELEMENTS
        
getCurrent: function()
        {
            var 
el false;
            var 
sel this.getSelection();

            if (
sel.rangeCount 0el sel.getRangeAt(0).startContainer;

            return 
this.isParentRedactor(el);
        },
        
getParent: function(elem)
        {
            
elem elem || this.getCurrent();
            if (
elem) return this.isParentRedactor( $( elem ).parent()[0] );
            else return 
false;
        },
        
getBlock: function(node)
        {
            if (
typeof node === 'undefined'node this.getCurrent();

            while (
node)
            {
                if (
this.nodeTestBlocks(node))
                {
                    if ($(
node).hasClass('redactor_editor')) return false;
                    return 
node;
                }

                
node node.parentNode;
            }

            return 
false;
        },
        
getBlocks: function(nodes)
        {
            var 
newnodes = [];
            if (
typeof nodes == 'undefined')
            {
                var 
range this.getRange();
                if (
range && range.collapsed === true) return [this.getBlock()];
                var 
nodes this.getNodes(range);
            }

            $.
each(nodes, $.proxy(function(i,node)
            {
                if (
this.opts.iframe === false && $(node).parents('div.redactor_editor').size() == 0) return false;
                if (
this.nodeTestBlocks(node)) newnodes.push(node);

            }, 
this));

            if (
newnodes.length === 0newnodes = [this.getBlock()];

            return 
newnodes;
        },
        
nodeTestBlocks: function(node)
        {
            return 
node.nodeType == && this.rTestBlock.test(node.nodeName);
        },
        
tagTestBlock: function(tag)
        {
            return 
this.rTestBlock.test(tag);
        },
        
getNodes: function(rangetag)
        {
            if (
typeof range == 'undefined' || range == false) var range this.getRange();
            if (
range && range.collapsed === true)
            {
                if (
typeof tag === 'undefined' && this.tagTestBlock(tag))
                {
                    var 
block this.getBlock();
                    if (
block.tagName == tag) return [block];
                    else return [];
                }
                else
                {
                    return [
this.getCurrent()];
                }
            }

            var 
nodes = [], finalnodes = [];

            var 
sel this.document.getSelection();
            if (!
sel.isCollapsednodes this.getRangeSelectedNodes(sel.getRangeAt(0));

            $.
each(nodes, $.proxy(function(i,node)
            {
                if (
this.opts.iframe === false && $(node).parents('div.redactor_editor').size() == 0) return false;

                if (
typeof tag === 'undefined')
                {
                    if ($.
trim(node.textContent) != '')
                    {
                        
finalnodes.push(node);
                    }
                }
                else if (
node.tagName == tag)
                {
                    
finalnodes.push(node);
                }

            }, 
this));

            if (
finalnodes.length == 0)
            {
                if (
typeof tag === 'undefined' && this.tagTestBlock(tag))
                {
                    var 
block this.getBlock();
                    if (
block.tagName == tag) return finalnodes.push(block);
                    else return [];
                }
                else
                {
                    
finalnodes.push(this.getCurrent());
                }
            }

            return 
finalnodes;
        },
        
getElement: function(node)
        {
            if (!
nodenode this.getCurrent();
            while (
node)
            {
                if (
node.nodeType == 1)
                {
                    if ($(
node).hasClass('redactor_editor')) return false;
                    return 
node;
                }

                
node node.parentNode;
            }

            return 
false;
        },
        
getRangeSelectedNodes: function(range)
        {
            
range range || this.getRange();
            var 
node range.startContainer;
            var 
endNode range.endContainer;

            if (
node == endNode) return [node];

            var 
rangeNodes = [];
            while (
node && node != endNode)
            {
                
rangeNodes.push(node this.nextNode(node));
            }

            
node range.startContainer;
            while (
node && node != range.commonAncestorContainer)
            {
                
rangeNodes.unshiftnode );
                
node node.parentNode;
            }

            return 
rangeNodes;
        },
        
nextNode: function(node)
        {
            if (
node.hasChildNodes()) return node.firstChild;
            else
            {
                while (
node && !node.nextSibling)
                {
                    
node node.parentNode;
                }

                if (!
node) return null;
                return 
node.nextSibling;
            }
        },

        
// GET SELECTION HTML OR TEXT
        
getSelectionText: function()
        {
            return 
this.getSelection().toString();
        },
        
getSelectionHtml: function()
        {
            var 
html '';

            var 
sel this.getSelection();
            if (
sel.rangeCount)
            {
                var 
container this.document.createElement"div" );
                var 
len sel.rangeCount;
                for (var 
0len; ++i)
                {
                    
container.appendChild(sel.getRangeAt(i).cloneContents());
                }

                
html container.innerHTML;
            }

            return 
this.syncClean(html);
        },

        
// SAVE & RESTORE
        
selectionSave: function()
        {
            if (!
this.isFocused()) this.$editor.focus();

            if (!
this.opts.rangy)
            {
                
this.selectionCreateMarker(this.getRange());
            }
            
// rangy
            
else
            {
                
this.savedSel rangy.saveSelection();
            }
        },
        
selectionCreateMarker: function(rangeremove)
        {
            if (!
range) return;

            var 
node1 = $('<span id="selection-marker-1" class="redactor-selection-marker">' this.opts.invisibleSpace '</span>'this.document)[0];
            var 
node2 = $('<span id="selection-marker-2" class="redactor-selection-marker">' this.opts.invisibleSpace '</span>'this.document)[0];

            if (
range.collapsed === true)
            {
                
this.selectionSetMarker(rangenode1true);
            }
            else
            {
                
this.selectionSetMarker(rangenode1true);
                
this.selectionSetMarker(rangenode2false);
            }

            
this.savedSel this.$editor.html();

            
this.selectionRestore(falsefalse);
        },
        
selectionSetMarker: function(rangenodetype)
        {
            var 
boundaryRange range.cloneRange();

            
boundaryRange.collapse(type);

            
boundaryRange.insertNode(node);
            
boundaryRange.detach();
        },
        
selectionRestore: function(replaceremove)
        {
            if (!
this.opts.rangy)
            {
                if (
replace === true && this.savedSel)
                {
                    
this.$editor.html(this.savedSel);
                }

                var 
node1 this.$editor.find('span#selection-marker-1');
                var 
node2 this.$editor.find('span#selection-marker-2');

                if (
this.browser('mozilla'))
                {
                    
this.$editor.focus();
                }
                else if (!
this.isFocused())
                {
                    
this.$editor.focus();
                }

                if (
node1.length != && node2.length != 0)
                {
                    
this.selectionSet(node1[0], 0node2[0], 0);
                }
                else if (
node1.length != 0)
                {
                    
this.selectionSet(node1[0], 0null0);
                }

                if (
remove !== false)
                {
                    
this.selectionRemoveMarkers();
                    
this.savedSel false;
                }
            }
            
// rangy
            
else
            {
                
rangy.restoreSelection(this.savedSel);
            }
        },
        
selectionRemoveMarkers: function(type)
        {
            if (!
this.opts.rangy)
            {
                $.
each(this.$editor.find('span.redactor-selection-marker'), function()
                {
                    var 
html = $.trim($(this).html().replace(/[^u0000-u1C7F]/g''));
                    if (
html == '')
                    {
                        $(
this).remove();
                    }
                    else
                    {
                        $(
this).removeAttr('class').removeAttr('id');
                    }
                });
            }
            
// rangy
            
else
            {
                
rangy.removeMarkers(this.savedSel);
            }
        },

        
// TABLE
        
tableShow: function()
        {
            
this.selectionSave();

            
this.modalInit(this.opts.curLang.tablethis.opts.modal_table300, $.proxy(function()
            {
                $(
'#redactor_insert_table_btn').click($.proxy(this.tableInsertthis));

                
setTimeout(function()
                {
                    $(
'#redactor_table_rows').focus();

                }, 
200);

            }, 
this));
        },
        
tableInsert: function()
        {
            var 
rows = $('#redactor_table_rows').val(),
                
columns = $('#redactor_table_columns').val(),
                
$table_box = $('<div></div>'),
                
tableId Math.floor(Math.random() * 99999),
                
$table = $('<table id="table' tableId '"><tbody></tbody></table>'),
                
i$rowz$column;

            for (
0rowsi++)
            {
                
$row = $('<tr></tr>');

                for (
0columnsz++)
                {
                    
$column = $('<td>' this.opts.invisibleSpace '</td>');

                    
// set the focus to the first td
                    
if (=== && === 0$column.append('<span id="selection-marker-1">' this.opts.invisibleSpace '</span>');

                    $(
$row).append($column);
                }

                
$table.append($row);
            }

            
$table_box.append($table);
            var 
html $table_box.html();

            
this.modalClose();
            
this.selectionRestore();

            var 
current this.getBlock() || this.getCurrent();

            if (
current && current.tagName != 'BODY') $(current).after(html)
            else 
this.insertHtmlAdvanced(htmlfalse);

            
this.selectionRestore();

            var 
table this.$editor.find('#table' tableId);
            
this.buttonActiveObserver();

            
table.find('span#selection-marker-1').remove();
            
table.removeAttr('id');

            
this.sync();
        },
        
tableDeleteTable: function()
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            if (
$table.size() == 0) return false;

            
this.bufferSet();

            
$table.remove();
            
this.sync();
        },
        
tableDeleteRow: function()
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            if (
$table.size() == 0) return false;

            
this.bufferSet();

            var 
$current_tr =  $(this.getParent()).closest('tr');
            var 
$focus_tr $current_tr.prev().length $current_tr.prev() : $current_tr.next();
            if (
$focus_tr.length)
            {
                var 
$focus_td $focus_tr.children('td' ).first();
                if (
$focus_td.length)
                {
                    
$focus_td.prepend('<span id="selection-marker-1">' this.opts.invisibleSpace '</span>');
                }
            }

            
$current_tr.remove();
            
this.selectionRestore();
            
this.sync();
        },
        
tableDeleteColumn: function()
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            if (
$table.size() == 0) return false;

            
this.bufferSet();

            var 
$current_td =  $(this.getParent()).closest('td');
            var 
index $current_td.get(0).cellIndex;

            
// Set the focus correctly
            
$table.find('tr').each($.proxy(function(ielem)
            {
                var 
focusIndex index index index 1;
                if (
=== 0)
                {
                    $(
elem).find('td').eq(focusIndex).prepend('<span id="selection-marker-1">' this.opts.invisibleSpace '</span>');
                }

                $(
elem).find('td').eq(index).remove();

            }, 
this));

            
this.selectionRestore();
            
this.sync();
        },
        
tableAddHead: function()
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            if (
$table.size() == 0) return false;

            
this.bufferSet();

            if (
$table.find('thead').size() !== 0this.tableDeleteHead();
            else
            {
                var 
tr $table.find('tr').first().clone();
                
tr.find('td').html(this.opts.invisibleSpace);
                
$thead = $('<thead></thead>');
                
$thead.append(tr);
                
$table.prepend($thead);

                
this.sync();
            }
        },
        
tableDeleteHead: function()
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            var 
$thead $table.find('thead');

            if (
$thead.size() == 0) return false;

            
this.bufferSet();

            
$thead.remove();
            
this.sync();
        },
        
tableAddRowAbove: function()
        {
            
this.tableAddRow('before');
        },
        
tableAddRowBelow: function()
        {
            
this.tableAddRow('after');
        },
        
tableAddColumnLeft: function()
        {
            
this.tableAddColumn('before');
        },
        
tableAddColumnRight: function()
        {
            
this.tableAddColumn('after');
        },
        
tableAddRow: function(type)
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            if (
$table.size() == 0) return false;

            
this.bufferSet();

            var 
$current_tr = $(this.getParent()).closest('tr');
            var 
new_tr $current_tr.clone();
            
new_tr.find('td').html(this.opts.invisibleSpace);

            if (
type === 'after'$current_tr.after(new_tr);
            else 
$current_tr.before(new_tr);

            
this.sync();
        },
        
tableAddColumn: function (type)
        {
            var 
$table = $(this.getParent()).closest('table');
            if (!
this.isParentRedactor($table)) return false;
            if (
$table.size() == 0) return false;

            
this.bufferSet();

            var 
index 0;

            var 
$current_tr = $(this.getParent()).closest('tr');
            var 
$current_td =  $(this.getParent()).closest('td');

            
$current_tr.find('td').each($.proxy(function(ielem)
            {
                if ($(
elem)[0] === $current_td[0]) index i;

            }, 
this));

            
$table.find('tr').each($.proxy(function(ielem)
            {
                var 
$current = $(elem).find('td').eq(index);

                var 
td $current.clone();
                
td.html(this.opts.invisibleSpace);

                
type === 'after' $current.after(td) : $current.before(td);

            }, 
this));

            
this.sync();
        },

        
// VIDEO
        
videoShow: function()
        {
            
this.selectionSave();

            
this.modalInit(this.opts.curLang.videothis.opts.modal_video600, $.proxy(function()
            {
                $(
'#redactor_insert_video_btn').click($.proxy(this.videoInsertthis));

                
setTimeout(function()
                {
                    $(
'#redactor_insert_video_area').focus();

                }, 
200);

            }, 
this));
        },
        
videoInsert: function ()
        {
            var 
data = $('#redactor_insert_video_area').val();
            
data this.cleanStripTags(data);

            
this.selectionRestore();

            var 
current this.getBlock() || this.getCurrent();

            if (
current) $(current).after(data)
            else 
this.insertHtmlAdvanced(datafalse);

            
this.sync();
            
this.modalClose();
        },

        
// LINK
        
linkShow: function()
        {
            
this.selectionSave();

            var 
callback = $.proxy(function()
            {
                
this.insert_link_node false;

                var 
sel this.getSelection();
                var 
url ''text ''target '';

                var 
elem this.getParent();
                var 
par = $(elem).parent().get(0);
                if (
par && par.tagName === 'A')
                {
                    
elem par;
                }

                if (
elem && elem.tagName === 'A')
                {
                    
url elem.href;
                    
text = $(elem).text();
                    
target elem.target;

                    
this.insert_link_node elem;
                }
                else 
text sel.toString();

                $(
'.redactor_link_text').val(text);

                var 
thref self.location.href.replace(//$/i, '');
                
var turl url.replace(thref'');

                
// remove host from href
                
if (this.opts.linkProtocol === false)
                {
                    var 
re = new RegExp('^(http|ftp|https)://' self.location.host'i');
                    
turl turl.replace(re'');
                }

                var 
tabs = $('#redactor_tabs').find('a');

                if (
this.opts.linkEmail === falsetabs.eq(1).remove();
                if (
this.opts.linkAnchor === falsetabs.eq(2).remove();
                if (
this.opts.linkEmail === false && this.opts.linkAnchor === false)
                {
                    $(
'#redactor_tabs').remove();
                    $(
'#redactor_link_url').val(turl);
                }
                else
                {
                    if (
url.search('mailto:') === 0)
                    {
                        
this.modalSetTab.call(this2);

                        $(
'#redactor_tab_selected').val(2);
                        $(
'#redactor_link_mailto').val(url.replace('mailto:'''));
                    }
                    else if (
turl.search(/^#/gi) === 0)
                    
{
                        
this.modalSetTab.call(this3);

                        $(
'#redactor_tab_selected').val(3);
                        $(
'#redactor_link_anchor').val(turl.replace(/^#/gi, '' ));
                    
}
                    else
                    {
                        $(
'#redactor_link_url').val(turl);
                    }
                }

                if (
target === '_blank') $('#redactor_link_blank').prop('checked'true);

                $(
'#redactor_insert_link_btn').click($.proxy(this.linkProcessthis));

                
setTimeout(function()
                {
                    $(
'#redactor_link_url').focus();

                }, 
200);

            }, 
this);

            
this.modalInit(this.opts.curLang.linkthis.opts.modal_link460callback);

        },
        
linkProcess: function()
        {
            var 
tab_selected = $('#redactor_tab_selected').val();
            var 
link ''text ''target ''targetBlank '';

            
// url
            
if (tab_selected === '1')
            {
                
link = $('#redactor_link_url').val();
                
text = $('#redactor_link_url_text').val();

                if ($(
'#redactor_link_blank').prop('checked'))
                {
                    
target ' target="_blank"';
                    
targetBlank '_blank';
                }

                
// test url (add protocol)
                
var pattern '((xn--)?[a-z0-9]+(-[a-z0-9]+)*.)+[a-z]{2,}';
                var 
re = new RegExp('^(http|ftp|https)://' pattern'i');
                var 
re2 = new RegExp('^' pattern'i');

                if (
link.search(re) == -&& link.search(re2) == && this.opts.linkProtocol)
                {
                    
link this.opts.linkProtocol link;
                }
            }
            
// mailto
            
else if (tab_selected === '2')
            {
                
link 'mailto:' + $('#redactor_link_mailto').val();
                
text = $('#redactor_link_mailto_text').val();
            }
            
// anchor
            
else if (tab_selected === '3')
            {
                
link '#' + $('#redactor_link_anchor').val();
                
text = $('#redactor_link_anchor_text').val();
            }

            
text text.replace(/<|>/g'');
            
this.linkInsert('<a href="' link '"' target '>' text '</a>', $.trim(text), linktargetBlank);

        },
        
linkInsert: function (atextlinktarget)
        {
            
this.selectionRestore();

            if (
text !== '')
            {
                if (
this.insert_link_node)
                {
                    
this.bufferSet();

                    $(
this.insert_link_node).text(text).attr('href'link);

                    if (
target !== '') $(this.insert_link_node).attr('target'target);
                    else $(
this.insert_link_node).removeAttr('target');

                    
this.sync();
                }
                else
                {
                    
this.exec('inserthtml'a);
                }
            }

            
// link tooltip
            
setTimeout($.proxy(function()
            {
                if (
this.opts.observeLinksthis.observeLinks();
            }, 
this), 5);

            
this.modalClose();
        },

        
// FILE
        
fileShow: function ()
        {

            
this.selectionSave();

            var 
callback = $.proxy(function()
            {
                var 
sel this.getSelection();

                var 
text '';
                if (
this.oldIE()) text sel.text;
                else 
text sel.toString();

                $(
'#redactor_filename').val(text);

                
// dragupload
                
if (!this.isMobile())
                {
                    
this.draguploadInit('#redactor_file', {
                        
urlthis.opts.fileUpload,
                        
uploadFieldsthis.opts.uploadFields,
                        
success: $.proxy(this.fileCallbackthis),
                        
error: $.proxy( function(objjson)
                        {
                            
this.callback('fileUploadError'json);

                        }, 
this),
                        
uploadParamthis.opts.fileUploadParam
                    
});
                }

                
this.uploadInit('redactor_file', {
                    
autotrue,
                    
urlthis.opts.fileUpload,
                    
success: $.proxy(this.fileCallbackthis),
                    
error: $.proxy(function(objjson)
                    {
                        
this.callback('fileUploadError'json);

                    }, 
this)
                });

            }, 
this);

            
this.modalInit(this.opts.curLang.filethis.opts.modal_file500callback);
        },
        
fileCallback: function(json)
        {

            
this.selectionRestore();

            if (
json !== false)
            {

                var 
text = $('#redactor_filename').val();
                if (
text === ''text json.filename;

                var 
link '<a href="' json.filelink '" id="filelink-marker">' text '</a>';

                
// chrome fix
                
if (this.browser('webkit') && !!this.window.chrome)
                {
                    
link link '&nbsp;';
                }

                
this.execCommand('inserthtml'linkfalse);

                var 
linkmarker = $(this.$editor.find('a#filelink-marker'));
                if (
linkmarker.size() != 0linkmarker.removeAttr('id');
                else 
linkmarker false;

                
this.sync();

                
// file upload callback
                
this.callback('fileUpload'linkmarkerjson);
            }

            
this.modalClose();
        },

        
// IMAGE
        
imageShow: function()
        {

            
this.selectionSave();

            var 
callback = $.proxy(function()
            {
                
// json
                
if (this.opts.imageGetJson)
                {
                    $.
getJSON(this.opts.imageGetJson, $.proxy(function(data)
                    {
                        var 
folders = {}, count 0;

                        
// folders
                        
$.each(data, $.proxy(function(keyval)
                        {
                            if (
typeof val.folder !== 'undefined')
                            {
                                
count++;
                                
folders[val.folder] = count;
                            }

                        }, 
this));

                        var 
folderclass false;
                        $.
each(data, $.proxy(function(keyval)
                        {
                            
// title
                            
var thumbtitle '';
                            if (
typeof val.title !== 'undefined'thumbtitle val.title;

                            var 
folderkey 0;
                            if (!$.
isEmptyObject(folders) && typeof val.folder !== 'undefined')
                            {
                                
folderkey folders[val.folder];
                                if (
folderclass === falsefolderclass '.redactorfolder' folderkey;
                            }

                            var 
img = $('<img src="' val.thumb '" class="redactorfolder redactorfolder' folderkey '" rel="' val.image '" title="' thumbtitle '" />');
                            $(
'#redactor_image_box').append(img);
                            $(
img).click($.proxy(this.imageThumbClickthis));

                        }, 
this));

                        
// folders
                        
if (!$.isEmptyObject(folders))
                        {
                            $(
'.redactorfolder').hide();
                            $(
folderclass).show();

                            var 
onchangeFunc = function(e)
                            {
                                $(
'.redactorfolder').hide();
                                $(
'.redactorfolder' + $(e.target).val()).show();
                            };

                            var 
select = $('<select id="redactor_image_box_select">');
                            $.
eachfolders, function(kv)
                            {
                                
select.append( $('<option value="' '">' '</option>'));
                            });

                            $(
'#redactor_image_box').before(select);
                            
select.change(onchangeFunc);
                        }
                    }, 
this));

                }
                else
                {
                    $(
'#redactor_tabs').find('a').eq(1).remove();
                }

                if (
this.opts.imageUpload || this.opts.s3)
                {
                    
// dragupload
                    
if (!this.isMobile() && this.opts.s3 === false)
                    {
                        if ($(
'#redactor_file' ).length)
                        {
                            
this.draguploadInit('#redactor_file', {
                                
urlthis.opts.imageUpload,
                                
uploadFieldsthis.opts.uploadFields,
                                
success: $.proxy(this.imageCallbackthis),
                                
error: $.proxy(function(objjson)
                                {
                                    
this.callback('imageUploadError'json);

                                }, 
this),
                                
uploadParamthis.opts.imageUploadParam
                            
});
                        }
                    }

                    if (
this.opts.s3 === false)
                    {
                        
// ajax upload
                        
this.uploadInit('redactor_file', {
                            
autotrue,
                            
urlthis.opts.imageUpload,
                            
success: $.proxy(this.imageCallbackthis),
                            
error: $.proxy(function(objjson)
                            {
                                
this.callback('imageUploadError'json);

                            }, 
this)
                        });
                    }
                    
// s3 upload
                    
else
                    {
                        $(
'#redactor_file').on('change.redactor', $.proxy(this.s3handleFileSelectthis));
                    }

                }
                else
                {
                    $(
'.redactor_tab').hide();
                    if (!
this.opts.imageGetJson)
                    {
                        $(
'#redactor_tabs').remove();
                        $(
'#redactor_tab3').show();
                    }
                    else
                    {
                        var 
tabs = $('#redactor_tabs').find('a');
                        
tabs.eq(0).remove();
                        
tabs.eq(1).addClass('redactor_tabs_act');
                        $(
'#redactor_tab2').show();
                    }
                }

                $(
'#redactor_upload_btn').click($.proxy(this.imageCallbackLinkthis));

                if (!
this.opts.imageUpload && !this.opts.imageGetJson)
                {
                    
setTimeout(function()
                    {
                        $(
'#redactor_file_link').focus();

                    }, 
200);
                }

            }, 
this);

            
this.modalInit(this.opts.curLang.imagethis.opts.modal_image610callback);

        },
        
imageEdit: function(image)
        {
            var 
$el image;
            var 
parent $el.parent().parent();

            var 
callback = $.proxy(function()
            {
                $(
'#redactor_file_alt').val($el.attr('alt'));
                $(
'#redactor_image_edit_src').attr('href'$el.attr('src'));
                $(
'#redactor_form_image_align').val($el.css('float'));

                if ($(
parent).get(0).tagName === 'A')
                {
                    $(
'#redactor_file_link').val($(parent).attr('href'));

                    if ($(
parent).attr('target') == '_blank')
                    {
                        $(
'#redactor_link_blank').prop('checked'true);
                    }
                }

                $(
'#redactor_image_delete_btn').click($.proxy(function()
                {
                    
this.imageRemove($el);

                }, 
this));

                $(
'#redactorSaveBtn').click($.proxy(function()
                {
                    
this.imageSave($el);

                }, 
this));

            }, 
this);

            
this.modalInit(this.opts.curLang.editthis.opts.modal_image_edit380callback);

        },
        
imageRemove: function(el)
        {
            var 
parent = $(el).parent();
            $(
el).remove();

            if (
parent.length && parent[0].tagName === 'P')
            {
                
this.$editor.focus();
                
this.selectionStart(parent);
            }

            
// delete callback
            
this.callback('imageDelete'el);

            
this.modalClose();
            
this.sync();
        },
        
imageSave: function(el)
        {
            var 
$el = $(el);
            var 
parent $el.parent();

            
$el.attr('alt', $('#redactor_file_alt').val());

            var 
floating = $('#redactor_form_image_align').val();

            if (
floating === 'left')
            {
                
$el.css({ 'float''left''margin''0 ' this.opts.imageFloatMargin ' ' this.opts.imageFloatMargin ' 0' });
            }
            else if (
floating === 'right')
            {
                
$el.css({ 'float''right''margin''0 0 ' this.opts.imageFloatMargin ' ' this.opts.imageFloatMargin '' });
            }
            else
            {
                var 
imageBox $el.closest('#redactor-image-box');
                if (
imageBox.size() != 0imageBox.css({ 'float''''margin''' });
                
$el.css({ 'float''''margin''' });
            }

            
// as link
            
var link = $.trim($('#redactor_file_link').val());
            if (
link !== '')
            {
                var 
target false;
                if ($(
'#redactor_link_blank').prop('checked'))
                {
                    
target true;
                }

                if (
parent.get(0).tagName !== 'A')
                {
                    var 
= $('<a href="' link '">' this.outerHtml(el) + '</a>');

                    if (
target)
                    {
                        
a.attr('target''_blank');
                    }

                    
$el.replaceWith(a);
                }
                else
                {
                    
parent.attr('href'link);
                    if (
target)
                    {
                        
parent.attr('target''_blank');
                    }
                    else
                    {
                        
parent.removeAttr('target');
                    }
                }
            }
            else
            {
                if (
parent.get(0).tagName === 'A')
                {
                    
parent.replaceWith(this.outerHtml(el));
                }
            }

            
this.modalClose();
            
this.observeImages();
            
this.sync();

        },
        
imageResizeHide: function(e)
        {
            if (
!== false && $(e.target).parent().size() != && $(e.target).parent()[0].id === 'redactor-image-box')
            {
                return 
false;
            }

            var 
imageBox this.$editor.find('#redactor-image-box');
            if (
imageBox.size() == 0)
            {
                return 
false;
            }

            
this.$editor.find('#redactor-image-editter, #redactor-image-resizer').remove();

            var 
margin imageBox[0].style.margin;
            if (
margin != '0px')
            {
                
imageBox.find('img').css('margin'margin);
                
imageBox.css('margin''');
            }

            
imageBox.find('img').css('opacity''');
            
imageBox.replaceWith(function()
            {
                return $(
this).contents();
            });

            $(
document).off('click.redactor-image-resize-hide');
            
this.$editor.off('click.redactor-image-resize-hide');
            
this.$editor.off('keydown.redactor-image-delete');

            
this.sync()

        },
        
imageResize: function(image)
        {
            var 
$image = $(image);

            
$image.on('mousedown', $.proxy(function()
            {
                
this.imageResizeHide(false);
            }, 
this));

            
$image.on('dragstart', $.proxy(function()
            {
                
this.$editor.on('drop.redactor-image-inside-drop', $.proxy(function()
                {
                    
setTimeout($.proxy(function()
                    {
                        
this.observeImages();
                        
this.$editor.off('drop.redactor-image-inside-drop');
                        
this.sync();

                    }, 
this), 1);

                },
this));
            }, 
this));

            
$image.on('click', $.proxy(function(e)
            {
                if (
this.$editor.find('#redactor-image-box').size() != 0)
                {
                    return 
false;
                }

                var 
clicked false,
                
start_x,
                
start_y,
                
ratio $image.width() / $image.height(),
                
min_w 20,
                
min_h 10;

                var 
imageResizer this.imageResizeControls($image);

                
// resize
                
var isResizing false;
                
imageResizer.on('mousedown', function(e)
                {
                    
isResizing true;
                    
e.preventDefault();

                    
ratio $image.width() / $image.height();

                    
start_x Math.round(e.pageX $image.eq(0).offset().left);
                    
start_y Math.round(e.pageY $image.eq(0).offset().top);

                });

                $(
this.document.body).on('mousemove', $.proxy(function(e)
                {
                    if (
isResizing)
                    {
                        var 
mouse_x Math.round(e.pageX $image.eq(0).offset().left) - start_x;
                        var 
mouse_y Math.round(e.pageY $image.eq(0).offset().top) - start_y;

                        var 
div_h $image.height();

                        var 
new_h parseInt(div_h10) + mouse_y;
                        var 
new_w Math.round(new_h ratio);

                        if (
new_w min_w)
                        {
                            
$image.width(new_w);

                            if (
new_w 100)
                            {
                                
this.imageEditter.css({
                                    
marginTop'-7px',
                                    
marginLeft'-13px',
                                    
fontSize'9px',
                                    
padding'3px 5px'
                                
});
                            }
                            else
                            {
                                
this.imageEditter.css({
                                    
marginTop'-11px',
                                    
marginLeft'-18px',
                                    
fontSize'11px',
                                    
padding'7px 10px'
                                
});
                            }
                        }

                        
start_x Math.round(e.pageX $image.eq(0).offset().left);
                        
start_y Math.round(e.pageY $image.eq(0).offset().top);

                        
this.sync()
                    }
                }, 
this)).on('mouseup', function()
                {
                    
isResizing false;
                });


                
this.$editor.on('keydown.redactor-image-delete', $.proxy(function(e)
                {
                    var 
key e.which;

                    if (
this.keyCode.BACKSPACE == key || this.keyCode.DELETE == key)
                    {
                        
this.imageResizeHide(false);
                        
this.imageRemove($image);
                    }

                }, 
this));

                $(
document).on('click.redactor-image-resize-hide', $.proxy(this.imageResizeHidethis));
                
this.$editor.on('click.redactor-image-resize-hide', $.proxy(this.imageResizeHidethis));


            }, 
this));
        },
        
imageResizeControls: function($image)
        {
            var 
imageBox = $('<span id="redactor-image-box" data-redactor="verified">');
            
imageBox.css({
                
position'relative',
                
display'inline-block',
                
lineHeight0,
                
outline'1px dashed rgba(0, 0, 0, .6)',
                
'float'$image.css('float')
            });
            
imageBox.attr('contenteditable'false);

            var 
margin $image[0].style.margin;
            if (
margin != '0px')
            {
                
imageBox.css('margin'margin);
                
$image.css('margin''');
            }

            
$image.css('opacity'.5).after(imageBox);

            
// editter
            
this.imageEditter = $('<span id="redactor-image-editter" data-redactor="verified">' this.opts.curLang.edit '</span>');
            
this.imageEditter.css({
                
position'absolute',
                
zIndex2,
                
top'50%',
                
left'50%',
                
marginTop'-11px',
                
marginLeft'-18px',
                
lineHeight1,
                
backgroundColor'#000',
                
color'#fff',
                
fontSize'11px',
                
padding'7px 10px',
                
cursor'pointer'
            
});
            
this.imageEditter.attr('contenteditable'false);
            
this.imageEditter.on('click', $.proxy(function()
            {
                
this.imageEdit($image);
            }, 
this));
            
imageBox.append(this.imageEditter);

            
// resizer
            
var imageResizer = $('<span id="redactor-image-resizer" data-redactor="verified"></span>');
            
imageResizer.css({
                
position'absolute',
                
zIndex2,
                
lineHeight1,
                
cursor'nw-resize',
                
bottom'-4px',
                
right'-5px',
                
border'1px solid #fff',
                
backgroundColor'#000',
                
width'8px',
                
height'8px'
            
});
            
imageResizer.attr('contenteditable'false);
            
imageBox.append(imageResizer);

            
imageBox.append($image);

            return 
imageResizer;
        },
        
imageThumbClick: function(e)
        {
            var 
img '<img id="image-marker" src="' + $(e.target).attr('rel') + '" alt="' + $(e.target).attr('title') + '" />';

            if (
this.opts.paragraphyimg '<p>' img '</p>';

            
this.imageInsert(imgtrue);
        },
        
imageCallbackLink: function()
        {
            var 
val = $('#redactor_file_link').val();

            if (
val !== '')
            {
                var 
data '<img id="image-marker" src="' val '" />';
                if (
this.opts.linebreaks === falsedata '<p>' data '</p>';

                
this.imageInsert(datatrue);

            }
            else 
this.modalClose();
        },
        
imageCallback: function(data)
        {
            
this.imageInsert(data);
        },
        
imageInsert: function(jsonlink)
        {
            
this.selectionRestore();

            if (
json !== false)
            {
                var 
html '';
                if (
link !== true)
                {
                    
html '<img id="image-marker" src="' json.filelink '" />';
                    if (
this.opts.paragraphyhtml '<p>' html '</p>';
                }
                else
                {
                    
html json;
                }

                
this.execCommand('inserthtml'htmlfalse);

                var 
image = $(this.$editor.find('img#image-marker'));

                if (
image.lengthimage.removeAttr('id');
                else 
image false;

                
this.sync();

                
// upload image callback
                
link !== true && this.callback('imageUpload'imagejson);
            }

            
this.modalClose();
            
this.observeImages();
        },

        
// MODAL
        
modalTemplatesInit: function()
        {
            $.
extendthis.opts,
            {
                
modal_fileString()
                + 
'<section>'
                    
'<div id="redactor-progress" class="redactor-progress redactor-progress-striped" style="display: none;">'
                            
'<div id="redactor-progress-bar" class="redactor-progress-bar" style="width: 100%;"></div>'
                    
'</div>'
                    
'<form id="redactorUploadFileForm" method="post" action="" enctype="multipart/form-data">'
                        
'<label>' this.opts.curLang.filename '</label>'
                        
'<input type="text" id="redactor_filename" class="redactor_input" />'
                        
'<div style="margin-top: 7px;">'
                            
'<input type="file" id="redactor_file" name="' this.opts.fileUploadParam '" />'
                        
'</div>'
                    
'</form>'
                
'</section>',

                
modal_image_editString()
                + 
'<section>'
                    
'<label>' this.opts.curLang.title '</label>'
                    
'<input id="redactor_file_alt" class="redactor_input" />'
                    
'<label>' this.opts.curLang.link '</label>'
                    
'<input id="redactor_file_link" class="redactor_input" />'
                    
'<label><input type="checkbox" id="redactor_link_blank"> ' this.opts.curLang.link_new_tab '</label>'
                    
'<label>' this.opts.curLang.image_position '</label>'
                    
'<select id="redactor_form_image_align">'
                        
'<option value="none">' this.opts.curLang.none '</option>'
                        
'<option value="left">' this.opts.curLang.left '</option>'
                        
'<option value="right">' this.opts.curLang.right '</option>'
                    
'</select>'
                
'</section>'
                
'<footer>'
                    
'<button id="redactor_image_delete_btn" class="redactor_modal_btn redactor_modal_delete_btn">' this.opts.curLang._delete '</button>&nbsp;&nbsp;&nbsp;'
                    
'<button class="redactor_modal_btn redactor_btn_modal_close">' this.opts.curLang.cancel '</button>'
                    
'<input type="button" name="save" class="redactor_modal_btn redactor_modal_action_btn" id="redactorSaveBtn" value="' this.opts.curLang.save '" />'
                
'</footer>',

                
modal_imageString()
                + 
'<section>'
                    
'<div id="redactor_tabs">'
                        
'<a href="#" class="redactor_tabs_act">' this.opts.curLang.upload '</a>'
                        
'<a href="#">' this.opts.curLang.choose '</a>'
                        
'<a href="#">' this.opts.curLang.link '</a>'
                    
'</div>'
                    
'<div id="redactor-progress" class="redactor-progress redactor-progress-striped" style="display: none;">'
                            
'<div id="redactor-progress-bar" class="redactor-progress-bar" style="width: 100%;"></div>'
                    
'</div>'
                    
'<form id="redactorInsertImageForm" method="post" action="" enctype="multipart/form-data">'
                        
'<div id="redactor_tab1" class="redactor_tab">'
                            
'<input type="file" id="redactor_file" name="' this.opts.imageUploadParam '" />'
                        
'</div>'
                        
'<div id="redactor_tab2" class="redactor_tab" style="display: none;">'
                            
'<div id="redactor_image_box"></div>'
                        
'</div>'
                    
'</form>'
                    
'<div id="redactor_tab3" class="redactor_tab" style="display: none;">'
                        
'<label>' this.opts.curLang.image_web_link '</label>'
                        
'<input type="text" name="redactor_file_link" id="redactor_file_link" class="redactor_input"  />'
                    
'</div>'
                
'</section>'
                
'<footer>'
                    
'<button class="redactor_modal_btn redactor_btn_modal_close">' this.opts.curLang.cancel '</button>'
                    
'<input type="button" name="upload" class="redactor_modal_btn redactor_modal_action_btn" id="redactor_upload_btn" value="' this.opts.curLang.insert '" />'
                
'</footer>',

                
modal_linkString()
                + 
'<section>'
                    
'<form id="redactorInsertLinkForm" method="post" action="">'
                        
'<div id="redactor_tabs">'
                            
'<a href="#" class="redactor_tabs_act">URL</a>'
                            
'<a href="#">Email</a>'
                            
'<a href="#">' this.opts.curLang.anchor '</a>'
                        
'</div>'
                        
'<input type="hidden" id="redactor_tab_selected" value="1" />'
                        
'<div class="redactor_tab" id="redactor_tab1">'
                            
'<label>URL</label>'
                            
'<input type="text" id="redactor_link_url" class="redactor_input"  />'
                            
'<label>' this.opts.curLang.text '</label>'
                            
'<input type="text" class="redactor_input redactor_link_text" id="redactor_link_url_text" />'
                            
'<label><input type="checkbox" id="redactor_link_blank"> ' this.opts.curLang.link_new_tab '</label>'
                        
'</div>'
                        
'<div class="redactor_tab" id="redactor_tab2" style="display: none;">'
                            
'<label>Email</label>'
                            
'<input type="text" id="redactor_link_mailto" class="redactor_input" />'
                            
'<label>' this.opts.curLang.text '</label>'
                            
'<input type="text" class="redactor_input redactor_link_text" id="redactor_link_mailto_text" />'
                        
'</div>'
                        
'<div class="redactor_tab" id="redactor_tab3" style="display: none;">'
                            
'<label>' this.opts.curLang.anchor '</label>'
                            
'<input type="text" class="redactor_input" id="redactor_link_anchor"  />'
                            
'<label>' this.opts.curLang.text '</label>'
                            
'<input type="text" class="redactor_input redactor_link_text" id="redactor_link_anchor_text" />'
                        
'</div>'
                    
'</form>'
                
'</section>'
                
'<footer>'
                    
'<button class="redactor_modal_btn redactor_btn_modal_close">' this.opts.curLang.cancel '</button>'
                    
'<input type="button" class="redactor_modal_btn redactor_modal_action_btn" id="redactor_insert_link_btn" value="' this.opts.curLang.insert '" />'
                
'</footer>',

                
modal_tableString()
                + 
'<section>'
                    
'<label>' this.opts.curLang.rows '</label>'
                    
'<input type="text" size="5" value="2" id="redactor_table_rows" />'
                    
'<label>' this.opts.curLang.columns '</label>'
                    
'<input type="text" size="5" value="3" id="redactor_table_columns" />'
                
'</section>'
                
'<footer>'
                    
'<button class="redactor_modal_btn redactor_btn_modal_close">' this.opts.curLang.cancel '</button>'
                    
'<input type="button" name="upload" class="redactor_modal_btn redactor_modal_action_btn" id="redactor_insert_table_btn" value="' this.opts.curLang.insert '" />'
                
'</footer>',

                
modal_videoString()
                + 
'<section>'
                    
'<form id="redactorInsertVideoForm">'
                        
'<label>' this.opts.curLang.video_html_code '</label>'
                        
'<textarea id="redactor_insert_video_area" style="width: 99%; height: 160px;"></textarea>'
                    
'</form>'
                
'</section>'
                
'<footer>'
                    
'<button class="redactor_modal_btn redactor_btn_modal_close">' this.opts.curLang.cancel '</button>'
                    
'<input type="button" class="redactor_modal_btn redactor_modal_action_btn" id="redactor_insert_video_btn" value="' this.opts.curLang.insert '" />'
                
'</footer>'

            
});
        },
        
modalInit: function(titlecontentwidthcallback)
        {
            var 
$redactorModalOverlay = $('#redactor_modal_overlay');

            
// modal overlay
            
if (!$redactorModalOverlay.length)
            {
                
this.$overlay $redactorModalOverlay = $('<div id="redactor_modal_overlay" style="display: none;"></div>');
                $(
'body').prepend(this.$overlay);
            }

            if (
this.opts.modalOverlay)
            {
                
$redactorModalOverlay.show().on('click', $.proxy(this.modalClosethis));
            }

            var 
$redactorModal = $('#redactor_modal');

            if (!
$redactorModal.length)
            {
                
this.$modal $redactorModal = $('<div id="redactor_modal" style="display: none;"><div id="redactor_modal_close">&times;</div><header id="redactor_modal_header"></header><div id="redactor_modal_inner"></div></div>');
                $(
'body').append(this.$modal);
            }

            $(
'#redactor_modal_close').on('click', $.proxy(this.modalClosethis));

            
this.hdlModalClose = $.proxy(function(e)
            {
                if (
e.keyCode === this.keyCode.ESC)
                {
                    
this.modalClose();
                    return 
false;
                }

            }, 
this);

            $(
document).keyup(this.hdlModalClose);
            
this.$editor.keyup(this.hdlModalClose);

            
// set content
            
this.modalcontent false;
            if (
content.indexOf('#') == 0)
            {
                
this.modalcontent = $(content);
                $(
'#redactor_modal_inner').empty().append(this.modalcontent.html());
                
this.modalcontent.html('');

            }
            else
            {
                $(
'#redactor_modal_inner').empty().append(content);
            }

            
$redactorModal.find('#redactor_modal_header').html(title);

            
// draggable
            
if (typeof $.fn.draggable !== 'undefined')
            {
                
$redactorModal.draggable({ handle'#redactor_modal_header' });
                
$redactorModal.find('#redactor_modal_header').css('cursor''move');
            }

            var 
$redactor_tabs = $('#redactor_tabs');

            
// tabs
            
if ($redactor_tabs.length )
            {
                var 
that this;
                
$redactor_tabs.find('a').each(function(is)
                {
                    
i++;
                    $(
s).on('click', function(e)
                    {
                        
e.preventDefault();

                        
$redactor_tabs.find('a').removeClass('redactor_tabs_act');
                        $(
this).addClass('redactor_tabs_act');
                        $(
'.redactor_tab').hide();
                        $(
'#redactor_tab' ).show();
                        $(
'#redactor_tab_selected').val(i);

                        if (
that.isMobile() === false)
                        {
                            var 
height $redactorModal.outerHeight();
                            
$redactorModal.css('margin-top''-' + (height 10) / 'px');
                        }
                    });
                });
            }

            
$redactorModal.find('.redactor_btn_modal_close').on('click', $.proxy(this.modalClosethis));

            
// save scroll
            
if (this.opts.autoresize === true)
            {
                
this.saveModalScroll this.document.body.scrollTop;
            }
            else
            {
                
this.saveModalScroll this.$editor.scrollTop();
            }

            if (
this.isMobile() === false)
            {
                
$redactorModal.css({
                    
position'fixed',
                    
top'-2000px',
                    
left'50%',
                    
widthwidth 'px',
                    
marginLeft'-' + (width 60) / 'px'
                
}).show();

                
this.modalSaveBodyOveflow = $(document.body).css('overflow');
                $(
document.body).css('overflow''hidden');

            }
            else
            {
                
$redactorModal.css({
                    
position'fixed',
                    
width'100%',
                    
height'100%',
                    
top'0',
                    
left'0',
                    
margin'0',
                    
minHeight'300px'
                
}).show();
            }

            
// callback
            
if (typeof callback === 'function'callback();

            if (
this.isMobile() === false)
            {
                
setTimeout(function()
                {
                    var 
height $redactorModal.outerHeight();
                    
$redactorModal.css({
                        
top'50%',
                        
height'auto',
                        
minHeight'auto',
                        
marginTop'-' + (height 10) / 'px'
                    
});
                }, 
10);
            }

        },
        
modalClose: function()
        {
            $(
'#redactor_modal_close').off('click'this.modalClose );
            $(
'#redactor_modal').fadeOut('fast', $.proxy(function()
            {
                var 
redactorModalInner = $('#redactor_modal_inner');

                if (
this.modalcontent !== false)
                {
                    
this.modalcontent.html(redactorModalInner.html());
                    
this.modalcontent false;
                }

                
redactorModalInner.html('');

                if (
this.opts.modalOverlay)
                {
                    $(
'#redactor_modal_overlay').hide().off('click'this.modalClose);
                }

                $(
document).unbind('keyup'this.hdlModalClose);
                
this.$editor.unbind('keyup'this.hdlModalClose);

                
this.selectionRestore();

                
// restore scroll
                
if (this.opts.autoresize && this.saveModalScroll)
                {
                    $(
this.document.body).scrollTop(this.saveModalScroll);
                }
                else if (
this.opts.autoresize === false && this.saveModalScroll)
                {
                    
this.$editor.scrollTop(this.saveModalScroll);
                }

            }, 
this));


            if (
this.isMobile() === false)
            {
                $(
document.body).css('overflow'this.modalSaveBodyOveflow this.modalSaveBodyOveflow 'visible');
            }

            return 
false;
        },
        
modalSetTab: function(num)
        {
            $(
'.redactor_tab').hide();
            $(
'#redactor_tabs').find('a').removeClass('redactor_tabs_act').eq(num 1).addClass('redactor_tabs_act');
            $(
'#redactor_tab' num).show();
        },

        
// S3
        
s3handleFileSelect: function(e)
        {
            var 
files e.target.files;

            for (var 
0ffiles[i]; i++)
            {
                
this.s3uploadFile(f);
            }
        },
        
s3uploadFile: function(file)
        {
            
this.s3executeOnSignedUrl(file, $.proxy(function(signedURL)
            {
                
this.s3uploadToS3(filesignedURL);
            }, 
this));
        },
        
s3executeOnSignedUrl: function(filecallback)
        {
            var 
xhr = new XMLHttpRequest();
            
xhr.open('GET'this.opts.s3 '?name=' file.name '&type=' file.typetrue);

            
// Hack to pass bytes through unprocessed.
            
xhr.overrideMimeType('text/plain; charset=x-user-defined');

            
xhr.onreadystatechange = function(e)
            {
                if (
this.readyState == && this.status == 200)
                {
                    $(
'#redactor-progress').fadeIn();
                    
callback(decodeURIComponent(this.responseText));
                }
                else if(
this.readyState == && this.status != 200)
                {
                    
//setProgress(0, 'Could not contact signing script. Status = ' + this.status);
                
}
            };

            
xhr.send();
        },
        
s3createCORSRequest: function(methodurl)
        {
            var 
xhr = new XMLHttpRequest();
            if (
"withCredentials" in xhr)
            {
                
xhr.open(methodurltrue);
            }
            else if (
typeof XDomainRequest != "undefined")
            {
                
xhr = new XDomainRequest();
                
xhr.open(methodurl);
            }
            else
            {
                
xhr null;
            }

            return 
xhr;
        },
        
s3uploadToS3: function(fileurl)
        {
            var 
xhr this.s3createCORSRequest('PUT'url);
            if (!
xhr)
            {
                
//setProgress(0, 'CORS not supported');
            
}
            else
            {
                
xhr.onload = $.proxy(function()
                {
                    if (
xhr.status == 200)
                    {
                        
//setProgress(100, 'Upload completed.');

                        
$('#redactor-progress, #redactor-progress-drag').hide();

                        var 
s3image url.split('?');

                        if (!
s3image[0])
                        {
                             
// url parsing is fail
                             
return false;
                        }

                        
this.selectionRestore();

                        var 
html '';
                        
html '<img id="image-marker" src="' s3image[0] + '" />';
                        if (
this.opts.paragraphyhtml '<p>' html '</p>';

                        
this.execCommand('inserthtml'htmlfalse);

                        var 
image = $(this.$editor.find('img#image-marker'));

                        if (
image.lengthimage.removeAttr('id');
                        else 
image false;

                        
this.sync();

                        
// upload image callback
                        
this.callback('imageUpload'imagefalse);

                        
this.modalClose();
                        
this.observeImages();

                    }
                    else
                    {
                        
//setProgress(0, 'Upload error: ' + xhr.status);
                    
}
                }, 
this);

                
xhr.onerror = function()
                {
                    
//setProgress(0, 'XHR error.');
                
};

                
xhr.upload.onprogress = function(e)
                {
                    
/*
                    if (e.lengthComputable)
                    {
                        var percentLoaded = Math.round((e.loaded / e.total) * 100);
                        setProgress(percentLoaded, percentLoaded == 100 ? 'Finalizing.' : 'Uploading.');
                    }
                    */
                
};

                
xhr.setRequestHeader('Content-Type'file.type);
                
xhr.setRequestHeader('x-amz-acl''public-read');

                
xhr.send(file);
            }
        },

        
// UPLOAD
        
uploadInit: function(eloptions)
        {
            
this.uploadOptions = {
                
urlfalse,
                
successfalse,
                
errorfalse,
                
startfalse,
                
triggerfalse,
                
autofalse,
                
inputfalse
            
};

            $.
extend(this.uploadOptionsoptions);

            var 
$el = $('#' el);

            
// Test input or form
            
if ($el.length && $el[0].tagName === 'INPUT')
            {
                
this.uploadOptions.input $el;
                
this.el = $($el[0].form);
            }
            else 
this.el $el;

            
this.element_action this.el.attr('action');

            
// Auto or trigger
            
if (this.uploadOptions.auto)
            {
                $(
this.uploadOptions.input).change($.proxy(function(e)
                {
                    
this.el.submit(function(e)
                    {
                        return 
false;
                    });

                    
this.uploadSubmit(e);

                }, 
this));

            }
            else if (
this.uploadOptions.trigger)
            {
                $(
'#' this.uploadOptions.trigger).click($.proxy(this.uploadSubmitthis));
            }
        },
        
uploadSubmit: function(e)
        {
            $(
'#redactor-progress').fadeIn();
            
this.uploadForm(this.elementthis.uploadFrame());
        },
        
uploadFrame: function()
        {
            
this.id 'f' Math.floor(Math.random() * 99999);

            var 
this.document.createElement('div');
            var 
iframe '<iframe style="display:none" id="' this.id '" name="' this.id '"></iframe>';

            
d.innerHTML iframe;
            $(
d).appendTo("body");

            
// Start
            
if (this.uploadOptions.startthis.uploadOptions.start();

            $( 
'#' this.id ).load($.proxy(this.uploadLoadedthis));

            return 
this.id;
        },
        
uploadForm: function(fname)
        {
            if (
this.uploadOptions.input)
            {
                var 
formId 'redactorUploadForm' this.id,
                    
fileId 'redactorUploadFile' this.id;

                
this.form = $('<form  action="' this.uploadOptions.url '" method="POST" target="' name '" name="' formId '" id="' formId '" enctype="multipart/form-data" />');

                
// append hidden fields
                
if (this.opts.uploadFields !== false && typeof this.opts.uploadFields === 'object')
                {
                    $.
each(this.opts.uploadFields, $.proxy(function(kv)
                    {
                        if (
!= null && v.toString().indexOf('#') === 0= $(v).val();

                        var 
hidden = $('<input/>', {
                            
'type'"hidden",
                            
'name'k,
                            
'value'v
                        
});

                        $(
this.form).append(hidden);

                    }, 
this));
                }

                var 
oldElement this.uploadOptions.input;
                var 
newElement = $(oldElement).clone();

                $(
oldElement).attr('id'fileId).before(newElement).appendTo(this.form);

                $(
this.form).css('position''absolute')
                        .
css('top''-2000px')
                        .
css('left''-2000px')
                        .
appendTo('body');

                
this.form.submit();

            }
            else
            {
                
f.attr('target'name)
                    .
attr('method''POST')
                    .
attr('enctype''multipart/form-data')
                    .
attr('action'this.uploadOptions.url);

                
this.element.submit();
            }
        },
        
uploadLoaded: function()
        {
            var 
= $( '#' this.id)[0], d;

            if (
i.contentDocumenti.contentDocument;
            else if (
i.contentWindowi.contentWindow.document;
            else 
window.frames[this.id].document;

            
// Success
            
if (this.uploadOptions.success)
            {
                $(
'#redactor-progress').hide();

                if (
typeof d !== 'undefined')
                {
                    
// Remove bizarre <pre> tag wrappers around our json data:
                    
var rawString d.body.innerHTML;
                    var 
jsonString rawString.match(/{(.|n)*}/)[0];

                    
jsonString jsonString.replace(/^[/, '');
                    
jsonString jsonString.replace(/]$/, '');

                    var 
json = $.parseJSON(jsonString);

                    if (
typeof json.error == 'undefined'this.uploadOptions.success(json);
                    else
                    {
                        
this.uploadOptions.error(thisjson);
                        
this.modalClose();
                    }
                }
                else
                {
                    
this.modalClose();
                    
alert('Upload failed!');
                }
            }

            
this.el.attr('action'this.element_action);
            
this.el.attr('target''');
        },

        
// DRAGUPLOAD
        
draguploadInit: function (eloptions)
        {
            
this.draguploadOptions = $.extend({
                
urlfalse,
                
successfalse,
                
errorfalse,
                
previewfalse,
                
uploadFieldsfalse,
                
textthis.opts.curLang.drop_file_here,
                
atextthis.opts.curLang.or_choose,
                
uploadParamfalse
            
}, options);

            if (
window.FormData === undefined) return false;

            
this.droparea = $('<div class="redactor_droparea"></div>');
            
this.dropareabox = $('<div class="redactor_dropareabox">' this.draguploadOptions.text '</div>');
            
this.dropalternative = $('<div class="redactor_dropalternative">' this.draguploadOptions.atext '</div>');

            
this.droparea.append(this.dropareabox);

            $(
el).before(this.droparea);
            $(
el).before(this.dropalternative);

            
// drag over
            
this.dropareabox.on('dragover', $.proxy(function()
            {
                return 
this.draguploadOndrag();

            }, 
this));

            
// drag leave
            
this.dropareabox.on('dragleave', $.proxy(function()
            {
                return 
this.draguploadOndragleave();

            }, 
this));

            
// drop
            
this.dropareabox.get(0).ondrop = $.proxy(function(e)
            {
                
e.preventDefault();

                
this.dropareabox.removeClass('hover').addClass('drop');

                
this.dragUploadAjax(this.draguploadOptions.urle.dataTransfer.files[0], falsefalsefalsethis.draguploadOptions.uploadParam);

            }, 
this );
        },
        
dragUploadAjax: function(urlfiledirectuploadprogresseuploadParam)
        {


            if (!
directupload)
            {
                var 
xhr = $.ajaxSettings.xhr();
                if (
xhr.upload)
                {
                    
xhr.upload.addEventListener('progress', $.proxy(this.uploadProgressthis), false);
                }

                $.
ajaxSetup({
                  
xhr: function () { return xhr; }
                });
            }

            var 
fd = new FormData();

            
// append file data
            
if (uploadParam !== false)
            {
                
fd.append(uploadParamfile);
            }
            else
            {
                
fd.append('file'file);
            }

            
// append hidden fields
            
if (this.opts.uploadFields !== false && typeof this.opts.uploadFields === 'object')
            {
                $.
each(this.opts.uploadFields, $.proxy(function(kv)
                {
                    if (
!= null && v.toString().indexOf('#') === 0= $(v).val();
                    
fd.append(kv);

                }, 
this));
            }

            $.
ajax({
                
urlurl,
                
dataType'html',
                
datafd,
                
cachefalse,
                
contentTypefalse,
                
processDatafalse,
                
type'POST',
                
success: $.proxy(function(data)
                {
                    
data data.replace(/^[/, '');
                    
data data.replace(/]$/, '');

                    var 
json = (typeof data === 'string' ? $.parseJSON(data) : data);

                    if (
directupload)
                    {
                        
progress.fadeOut('slow', function()
                        {
                            $(
this).remove();
                        });

                        var 
$img = $('<img>');
                        
$img.attr('src'json.filelink).attr('id''drag-image-marker');

                        
this.insertNodeToCaretPositionFromPoint(e$img[0]);

                        var 
image = $(this.$editor.find('img#drag-image-marker'));
                        if (
image.lengthimage.removeAttr('id');
                        else 
image false;

                        
this.sync();
                        
this.observeImages();

                        
// upload callback
                        
if (imagethis.callback('imageUpload'imagejson);

                        
// error callback
                        
if (typeof json.error !== 'undefined'this.callback('imageUploadError'json);
                    }
                    else
                    {
                        if (
typeof json.error == 'undefined')
                        {
                            
this.draguploadOptions.success(json);
                        }
                        else
                        {
                            
this.draguploadOptions.error(thisjson);
                            
this.draguploadOptions.success(false);
                        }
                    }

                }, 
this)
            });
        },
        
draguploadOndrag: function()
        {
            
this.dropareabox.addClass('hover');
            return 
false;
        },
        
draguploadOndragleave: function()
        {
            
this.dropareabox.removeClass('hover');
            return 
false;
        },
        
uploadProgress: function(etext)
        {
            var 
percent e.loaded parseInt(e.loaded e.total 10010) : e;
            
this.dropareabox.text('Loading ' percent '% ' + (text || ''));
        },

        
// UTILS
        
isMobile: function()
        {
            return /(
iPhone|iPod|BlackBerry|Android)/.test(navigator.userAgent);
        },
        
normalize: function(str)
        {
            if (
typeof(str) === 'undefined') return 0;
            return 
parseInt(str.replace('px',''), 10);
        },
        
outerHtml: function(el)
        {
            return $(
'<div>').append($(el).eq(0).clone()).html();
        },
        
isString: function(obj)
        {
            return 
Object.prototype.toString.call(obj) == '[object String]';
        },
        
isEmpty: function(html)
        {
            
html html.replace(/&#x200b;|<br>|<br/>|&nbsp;/gi, '');
            
html html.replace(/s/g'');
            
html html.replace(/^<p>[^WwDd]*?</p>$/i'');


            return 
html == '';
        },
        
browser: function(browser)
        {
            var 
ua navigator.userAgent.toLowerCase();
            var 
match = /(chrome)[ /]([w.]+)/.exec(ua)
                    || /(
webkit)[ /]([w.]+)/.exec(ua)
                    || /(
opera)(?:.*version|)[ /]([w.]+)/.exec(ua)
                    || /(
msie) ([w.]+)/.exec(ua)
                    || 
ua.indexOf("compatible") < && /(mozilla)(?:.*? rv:([w.]+)|)/.exec(ua)
                    || [];

            if (
browser == 'version') return match[2];
            if (
browser == 'webkit') return (match[1] == 'chrome' || match[1] == 'webkit');

            return 
match[1] == browser;
        },
        
oldIE: function()
        {
            if (
this.browser('msie') && parseInt(this.browser('version'), 10) < 9) return true;
            return 
false;
        },
        
getFragmentHtml: function (fragment)
        {
            var 
cloned fragment.cloneNode(true);
            var 
div this.document.createElement('div');

            
div.appendChild(cloned);
            return 
div.innerHTML;
        },
        
extractContent: function()
        {
            var 
node this.$editor[0];
            var 
frag this.document.createDocumentFragment();
            var 
child;

            while ((
child node.firstChild))
            {
                
frag.appendChild(child);
            }

            return 
frag;
        },
        
isParentRedactor: function(el)
        {
            if (!
el) return false;
            if (
this.opts.iframe) return el;

            if ($(
el).parents('div.redactor_editor').length == || $(el).hasClass('redactor_editor')) return false;
            else return 
el;
        },
        
currentOrParentIs: function(tagName)
        {
            var 
parent this.getParent(), current this.getCurrent();
            return 
parent && parent.tagName === tagName parent current && current.tagName === tagName current false;
        },
        
isEndOfElement: function()
        {
            var 
current this.getBlock();
            var 
offset this.getCaretOffset(current);

            var 
text = $.trim($(current).text()).replace(/nrn/g'');

            var 
len text.length;

            if (
offset == len) return true;
            else return 
false;
        },
        
isFocused: function()
        {
            var 
elsel this.getSelection();

            if (
sel && sel.rangeCount && sel.rangeCount 0el sel.getRangeAt(0).startContainer;
            if (!
el) return false;
            if (
this.opts.iframe)
            {
                if (
this.getCaretOffsetRange().equals()) return !this.$editor.is(el);
                else return 
true;
            }

            return $(
el).closest('div.redactor_editor').length != 0;
        },
        
removeEmptyAttr: function (elattr)
        {
            if ($(
el).attr(attr) == '') $(el).removeAttr(attr);
        },
        
removeFromArrayByValue: function(array, value)
        {
            var 
index null;

            while ((
index = array.indexOf(value)) !== -1)
            {
                array.
splice(index1);
            }

            return array;
        }

    };

    
// constructor
    
Redactor.prototype.init.prototype Redactor.prototype;

    
// LINKIFY
    
$.Redactor.fn.formatLinkify = function(protocolconvertLinksconvertImageLinksconvertVideoLinkslinkSize)
    {
        var 
url1 = /(^|&lt;|s)(www..+?..+?)(s|&gt;|$)/g,
            
url2 = /(^|&lt;|s)(((https?|ftp)://|mailto:).+?)(s|&gt;|$)/g,
            
urlImage = /(https?://.*.(?:png|jpg|jpeg|gif))/gi,
            
urlYoutube = /^.*(youtu.be/|u/w/|embed/|watch?v=|&v=)([^#&?]*).*/,
            
urlVimeo = /https?://(www.)?vimeo.com/(d+)($|/)/;

        
var childNodes = (this.$editor this.$editor.get(0) : this).childNodeschildNodes.length;
        while (
i--)
        {
            var 
childNodes[i];
            if (
n.nodeType === 3)
            {
                var 
html n.nodeValue;

                
// youtube & vimeo
                
if (convertVideoLinks && html)
                {
                    var 
iframeStart '<iframe width="500" height="281" src="',
                        
iframeEnd '" frameborder="0" allowfullscreen></iframe>';

                    if (
html.match(urlYoutube))
                    {
                        
html html.replace(urlYoutubeiframeStart '//www.youtube.com/embed/$2' iframeEnd);
                        $(
n).after(html).remove();
                    }
                    else if (
html.match(urlVimeo))
                    {
                        
html html.replace(urlVimeoiframeStart '//player.vimeo.com/video/$2' iframeEnd);
                        $(
n).after(html).remove();
                    }
                }

                
// image
                
if (convertImageLinks && html && html.match(urlImage))
                {
                    
html html.replace(urlImage'<img src="$1">');

                    $(
n).after(html).remove();
                }

                
// link
                
if (convertLinks && html && (html.match(url1) || html.match(url2)))
                {
                    var 
href = (html.match(url1) || html.match(url2));
                    
href href[0];
                    if (
href.length linkSizehref href.substring(0linkSize) + '...';

                    
html html.replace(/&/g'&amp;')
                    .
replace(/</g'&lt;')
                    .
replace(/>/g'&gt;')
                    .
replace(url1'$1<a href="' protocol '$2">' href '</a>$3')
                    .
replace(url2'$1<a href="$2">' href '</a>$5');


                    $(
n).after(html).remove();
                }
            }
            else if (
n.nodeType === && !/^(a|button|textarea)$/i.test(n.tagName))
            {
                $.
Redactor.fn.formatLinkify.call(nprotocolconvertLinksconvertImageLinksconvertVideoLinkslinkSize);
            }
        }
    };

})(
jQuery);
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