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Файл: addons/markitup/jquery.markitup.js
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<?php
// ----------------------------------------------------------------------------
// markItUp! Universal MarkUp Engine, JQuery plugin
// v 1.1.2 beta
// Dual licensed under the MIT and GPL licenses.
// ----------------------------------------------------------------------------
// Copyright (C) 2007-2008 Jay Salvat
// http://markitup.jaysalvat.com/
// ----------------------------------------------------------------------------
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// ----------------------------------------------------------------------------
(function($) {
    $.fn.
markItUp = function(settingsextraSettings) {
        var 
optionsctrlKeyshiftKeyaltKey;
        
ctrlKey shiftKey altKey false;

        
options = {    id:                        '',
                    nameSpace:                
'',
                    
root:                    '',
                    
previewInWindow:        ''// 'width=800, height=600, resizable=yes, scrollbars=yes'
                    
previewAutoRefresh:        true,
                    
previewPosition:        'after',
                    
previewTemplatePath:    '~/templates/preview.html',
                    
previewParserPath:        '',
                    
previewParserVar:        'data',
                    
resizeHandle:            true,
                    
beforeInsert:            '',
                    
afterInsert:            '',
                    
onEnter:                {},
                    
onShiftEnter:            {},
                    
onCtrlEnter:            {},
                    
onTab:                    {},
                    
markupSet:            [    { /* set */ } ]
                };
        $.
extend(optionssettingsextraSettings);

        
// compute markItUp! path
        
if (!options.root) {
            $(
'script').each(function(atag) {
                
miuScript = $(tag).get(0).src.match(/(.*)jquery.markitup(.pack)?.js$/);
                if (
miuScript !== null) {
                    
options.root miuScript[1];
                }
            });
        }

        return 
this.each(function() {
            var $$, 
textarealevelsscrollPositioncaretPositioncaretOffset,
                
clickedhashheaderfooterpreviewWindowtemplateiFrameabort;
            $$ = $(
this);
            
textarea this;
            
levels = [];
            
abort false;
            
scrollPosition caretPosition 0;
            
caretOffset = -1;

            
options.previewParserPath localize(options.previewParserPath);
            
options.previewTemplatePath localize(options.previewTemplatePath);

            
// apply the computed path to ~/
            
function localize(datainText) {
                if (
inText) {
                    return     
data.replace(/("|')~//g, "$1"+options.root);
                }
                return     data.replace(/^~//, options.root);
            }

            // init and build editor
            function init() {
                id = ''; nameSpace = '';
                if (options.id) {
                    id = 'id="'+options.id+'"';
                } else if ($$.attr("
id")) {
                    id = 'id="
markItUp'+($$.attr("id").substr(0, 1).toUpperCase())+($$.attr("id").substr(1))+'"';

                }
                if (options.nameSpace) {
                    nameSpace = 'class="'+options.nameSpace+'"';
                }
                $$.wrap('<div '+nameSpace+'"
></div>');
                $$.wrap('
<div '+id+' class="markItUp"></div>');
                $$.wrap('
<div class="markItUpContainer"></div>');
                $$.addClass("markItUpEditor");

                // add the header before the textarea
                header = $('
<div class="markItUpHeader"></div>').insertBefore($$);
                $(dropMenus(options.markupSet)).appendTo(header);

                // add the footer after the textarea
                footer = $('
<div class="markItUpFooter"></div>').insertAfter($$);

                // add the resize handle after textarea
                if (options.resizeHandle === true && $.browser.safari !== true) {
                    resizeHandle = $('
<div class="markItUpResizeHandle"></div>')
                        .insertAfter($$)
                        .bind("mousedown", function(e) {
                            var h = $$.height(), y = e.clientY, mouseMove, mouseUp;
                            mouseMove = function(e) {
                                $$.css("height", Math.max(20, e.clientY+h-y)+"px");
                                return false;
                            };
                            mouseUp = function(e) {
                                $("html").unbind("mousemove", mouseMove).unbind("mouseup", mouseUp);
                                return false;
                            };
                            $("html").bind("mousemove", mouseMove).bind("mouseup", mouseUp);
                    });
                    footer.append(resizeHandle);
                }

                // listen key events
                $$.keydown(keyPressed).keyup(keyPressed);
                
                // bind an event to catch external calls
                $$.bind("insertion", function(e, settings) {
                    if (settings.target !== false) {
                        get();
                    }
                    if (textarea === $.markItUp.focused) {
                        markup(settings);
                    }
                });

                // remember the last focus
                $$.focus(function() {
                    $.markItUp.focused = this;
                });
            }

            // recursively build header with dropMenus from markupset
            function dropMenus(markupSet) {
                var ul = $('
<ul></ul>'), i = 0;
                $('
li:hover ul', ul).css('display', 'block');
                $(markupSet).each(function() {
                    var button = this, t = '', title, li, j;
                    title = (button.key) ? (button.name||'')+' 
[Ctrl+'+button.key+']' : (button.name||'');
                    key   = (button.key) ? '
accesskey="'+button.key+'"' : '';
                    if (button.separator) {
                        li = $('
<li class="markItUpSeparator">'+(button.separator||'')+'</li>').appendTo(ul);
                    } else {
                        i++;
                        for (j = levels.length -1; j >= 0; j--) {
                            t += levels[j]+"-";
                        }
                        li = $('
<li class="markItUpButton markItUpButton'+t+(i)+' '+(button.className||'')+'"><a href="" '+key+' title="'+title+'">'+(button.name||'')+'</a></li>')
                        .bind("contextmenu", function() { // prevent contextmenu on mac and allow ctrl+click
                            return false;
                        }).click(function() {
                            return false;
                        }).mouseup(function() {
                            if (button.call) {
                                eval(button.call)();
                            }
                            markup(button);
                            return false;
                        }).hover(function() {
                                $('
ul', this).show();
                                $(document).one('
click', function() { // close dropmenu if click outside
                                        $('
ul ul', header).hide();
                                    }
                                );
                            }, function() {
                                $('
ul', this).hide();
                            }
                        ).appendTo(ul);
                        if (button.dropMenu) {
                            levels.push(i);
                            $(li).addClass('
markItUpDropMenu').append(dropMenus(button.dropMenu));
                        }
                    }
                }); 
                levels.pop();
                return ul;
            }

            // markItUp! markups
            function magicMarkups(string) {
                if (string) {
                    string = string.toString();
                    string = string.replace(/(!(([sS]*?))!)/g,
                        function(x, a) {
                            var b = a.split('
|!|');
                            if (altKey === true) {
                                return (b[1] !== undefined) ? b[1] : b[0];
                            } else {
                                return (b[1] === undefined) ? "" : b[0];
                            }
                        }
                    );
                    // [![prompt]!], [![prompt:!:value]!]
                    string = string.replace(/[![([sS]*?)]!]/g,
                        function(x, a) {
                            var b = a.split('
:!:');
                            if (abort === true) {
                                return false;
                            }
                            value = prompt(b[0], (b[1]) ? b[1] : '');
                            if (value === null) {
                                abort = true;
                            }
                            return value;
                        }
                    );
                    return string;
                }
                return "";
            }

            // prepare action
            function prepare(action) {
                if ($.isFunction(action)) {
                    action = action(hash);
                }
                return magicMarkups(action);
            }

            // build block to insert
            function build(string) {
                openWith     = prepare(clicked.openWith);
                placeHolder = prepare(clicked.placeHolder);
                replaceWith = prepare(clicked.replaceWith);
                closeWith     = prepare(clicked.closeWith);
                if (replaceWith !== "") {
                    block = openWith + replaceWith + closeWith;
                } else if (selection === '' && placeHolder !== '') {
                    block = openWith + placeHolder + closeWith;
                } else {
                    block = openWith + (string||selection) + closeWith;
                }
                return {    block:block, 
                            openWith:openWith, 
                            replaceWith:replaceWith, 
                            placeHolder:placeHolder,
                            closeWith:closeWith
                    };
            }

            // define markup to insert
            function markup(button) {
                var len, j, n, i;
                hash = clicked = button;
                get();

                $.extend(hash, {    line:"", 
                                     root:options.root,
                                    textarea:textarea, 
                                    selection:(selection||''), 
                                    caretPosition:caretPosition,
                                    ctrlKey:ctrlKey, 
                                    shiftKey:shiftKey, 
                                    altKey:altKey
                                }
                            );
                // callbacks before insertion
                prepare(options.beforeInsert);
                prepare(clicked.beforeInsert);
                if (ctrlKey === true && shiftKey === true) {
                    prepare(clicked.beforeMultiInsert);
                }            
                $.extend(hash, { line:1 });
                
                if (ctrlKey === true && shiftKey === true) {
                    lines = selection.split(/r?n/);
                    for (j = 0, n = lines.length, i = 0; i < n; i++) {
                        if ($.trim(lines[i]) !== '') {
                            $.extend(hash, { line:++j, selection:lines[i] } );
                            lines[i] = build(lines[i]).block;
                        } else {
                            lines[i] = "";
                        }
                    }
                    string = { block:lines.join('
n')};
                    start = caretPosition;
                    len = string.block.length + (($.browser.opera) ? n : 0);
                } else if (ctrlKey === true) {
                    string = build(selection);
                    start = caretPosition + string.openWith.length;
                    len = string.block.length - string.openWith.length - string.closeWith.length;
                    len -= fixIeBug(string.block);
                } else if (shiftKey === true) {
                    string = build(selection);
                    start = caretPosition;
                    len = string.block.length;
                    len -= fixIeBug(string.block);
                } else {
                    string = build(selection);
                    start = caretPosition + string.block.length ;
                    len = 0;
                    start -= fixIeBug(string.block);
                }
                if ((selection === '' && string.replaceWith === '')) {
                    caretOffset += fixOperaBug(string.block);
                    
                    start = caretPosition + string.openWith.length;
                    len = string.block.length - string.openWith.length - string.closeWith.length;

                    caretOffset = $$.val().substring(caretPosition,  $$.val().length).length;
                    caretOffset -= fixOperaBug($$.val().substring(0, caretPosition));
                }
                $.extend(hash, { caretPosition:caretPosition, scrollPosition:scrollPosition } );

                if (string.block !== selection && abort === false) {
                    insert(string.block);
                    set(start, len);
                } else {
                    caretOffset = -1;
                }
                get();

                $.extend(hash, { line:'', selection:selection });

                // callbacks after insertion
                if (ctrlKey === true && shiftKey === true) {
                    prepare(clicked.afterMultiInsert);
                }
                prepare(clicked.afterInsert);
                prepare(options.afterInsert);

                // refresh preview if opened
                if (previewWindow && options.previewAutoRefresh) {
                    refreshPreview(); 
                }
                                                                                                    
                // reinit keyevent
                shiftKey = altKey = ctrlKey = abort = false;
            }

            // Substract linefeed in Opera
            function fixOperaBug(string) {
                if ($.browser.opera) {
                    return string.length - string.replace(/n*/g, '').length;
                }
                return 0;
            }
            // Substract linefeed in IE
            function fixIeBug(string) {
                if ($.browser.msie) {
                    return string.length - string.replace(/r*/g, '').length;
                }
                return 0;
            }
                
            // add markup
            function insert(block) {    
                if (document.selection) {
                    var newSelection = document.selection.createRange();
                    newSelection.text = block;
                } else {
                    $$.val($$.val().substring(0, caretPosition)    + block + $$.val().substring(caretPosition + selection.length, $$.val().length));
                }
            }

            // set a selection
            function set(start, len) {
                if (textarea.createTextRange){
                    // quick fix to make it work on Opera 9.5
                    if ($.browser.opera && $.browser.version >= 9.5 && len == 0) {
                        return false;
                    }
                    range = textarea.createTextRange();
                    range.collapse(true);
                    range.moveStart('
character', start); 
                    range.moveEnd('
character', len); 
                    range.select();
                } else if (textarea.setSelectionRange ){
                    textarea.setSelectionRange(start, start + len);
                }
                textarea.scrollTop = scrollPosition;
                textarea.focus();
            }

            // get the selection
            function get() {
                textarea.focus();

                scrollPosition = textarea.scrollTop;
                if (document.selection) {
                    selection = document.selection.createRange().text;
                    if ($.browser.msie) { // ie
                        var range = document.selection.createRange(), rangeCopy = range.duplicate();
                        rangeCopy.moveToElementText(textarea);
                        caretPosition = -1;
                        while(rangeCopy.inRange(range)) { // fix most of the ie bugs with linefeeds...
                            rangeCopy.moveStart('
character');
                            caretPosition ++;
                        }
                    } else { // opera
                        caretPosition = textarea.selectionStart;
                    }
                } else { // gecko
                    caretPosition = textarea.selectionStart;
                    selection = $$.val().substring(caretPosition, textarea.selectionEnd);
                } 
                return selection;
            }

            // open preview window
            function preview() {
                if (!previewWindow || previewWindow.closed) {
                    if (options.previewInWindow) {
                        previewWindow = window.open('', '
preview', options.previewInWindow);
                    } else {
                        iFrame = $('
<iframe class="markItUpPreviewFrame"></iframe>');
                        if (options.previewPosition == '
after') {
                            iFrame.insertAfter(footer);
                        } else {
                            iFrame.insertBefore(header);
                        }    
                        previewWindow = iFrame[iFrame.length-1].contentWindow || frame[iFrame.length-1];
                    }
                } else if (altKey === true) {
                    if (iFrame) {
                        iFrame.remove();
                    }
                    previewWindow.close();
                    previewWindow = iFrame = false;
                }
                if (!options.previewAutoRefresh) {
                    refreshPreview(); 
                }
            }

            // refresh Preview window
            function refreshPreview() {
                if (previewWindow.document) {            
                    try {
                        sp = previewWindow.document.documentElement.scrollTop
                    } catch(e) {
                        sp = 0;
                    }                    
                    previewWindow.document.open();
                    previewWindow.document.write(renderPreview());
                    previewWindow.document.close();
                    previewWindow.document.documentElement.scrollTop = sp;
                }
                if (options.previewInWindow) {
                    previewWindow.focus();
                }
            }

            function renderPreview() {
                if (options.previewParserPath !== '') {
                    $.ajax( {
                        type: '
POST',
                        async: false,
                        url: options.previewParserPath,
                        data: options.previewParserVar+'
='+encodeURIComponent($$.val()),
                        success: function(data) {
                            html = localize(data, 1); 
                        }
                    } );
                } else {
                    if (!template) {
                        $.ajax( {
                            async: false,
                            url: options.previewTemplatePath,
                            success: function(data) {
                                template = localize(data, 1); 
                            }
                        } );
                    }
                    html = template.replace(/<!-- content -->/g, $$.val());
                }
                return html;
            }
            
            // set keys pressed
            function keyPressed(e) { 
                shiftKey = e.shiftKey;
                altKey = e.altKey;
                ctrlKey = (!(e.altKey && e.ctrlKey)) ? e.ctrlKey : false;

                if (e.type === '
keydown') {
                    if (ctrlKey === true) {
                        li = $("a[accesskey="+String.fromCharCode(e.keyCode)+"]", header).parent('
li');
                        if (li.length !== 0) {
                            ctrlKey = false;
                            li.triggerHandler('
mouseup');
                            return false;
                        }
                    }
                    if (e.keyCode === 13 || e.keyCode === 10) { // Enter key
                        if (ctrlKey === true) {  // Enter + Ctrl
                            ctrlKey = false;
                            markup(options.onCtrlEnter);
                            return options.onCtrlEnter.keepDefault;
                        } else if (shiftKey === true) { // Enter + Shift
                            shiftKey = false;
                            markup(options.onShiftEnter);
                            return options.onShiftEnter.keepDefault;
                        } else { // only Enter
                            markup(options.onEnter);
                            return options.onEnter.keepDefault;
                        }
                    }
                    if (e.keyCode === 9) { // Tab key
                        if (caretOffset !== -1) {
                            get();
                            caretOffset = $$.val().length - caretOffset;
                            set(caretOffset, 0);
                            caretOffset = -1;
                            return false;
                        } else {
                            markup(options.onTab);
                            return options.onTab.keepDefault;
                        }
                    }
                }
            }

            init();
        });
    };

    $.fn.markItUpRemove = function() {
        return this.each(function() {
                $$ = $(this).unbind().removeClass('
markItUpEditor');
                $$.parent('
div').parent('div.markItUp').parent('div').replaceWith($$);
            }
        );
    };

    $.markItUp = function(settings) {
        var options = { target:false };
        $.extend(options, settings);
        if (options.target) {
            return $(options.target).each(function() {
                $(this).focus();
                $(this).trigger('
insertion', [options]);
            });
        } else {
            $('
textarea').trigger('insertion', [options]);
        }
    };
})(jQuery);
?>
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