Файл: module-assets/admin/plupload/src/plupload.js
Строк: 1800
<?php
/**
* Plupload.js
*
* Copyright 2013, Moxiecode Systems AB
* Released under GPL License.
*
* License: http://www.plupload.com/license
* Contributing: http://www.plupload.com/contributing
*/
/*global mOxie:true */
;(function(window, o, undef) {
var delay = window.setTimeout;
// convert plupload features to caps acceptable by mOxie
function normalizeCaps(settings) {
var features = settings.required_features, caps = {};
function resolve(feature, value, strict) {
// Feature notation is deprecated, use caps (this thing here is required for backward compatibility)
var map = {
chunks: 'slice_blob',
resize: 'send_binary_string',
jpgresize: 'send_binary_string',
pngresize: 'send_binary_string',
progress: 'report_upload_progress',
multi_selection: 'select_multiple',
canSendBinary: 'send_binary'
//dragdrop: 'drag_and_drop',
//triggerDialog: 'summon_file_dialog'
};
if (map[feature]) {
caps[map[feature]] = value;
} else if (!strict) {
caps[feature] = value;
}
}
if (typeof(features) === 'string') {
plupload.each(features.split(/s*,s*/), function(feature) {
resolve(feature, true);
});
} else if (typeof(features) === 'object') {
plupload.each(features, function(value, feature) {
resolve(feature, value);
});
}
// check settings for required features
if (!settings.multipart) { // special care for multipart: false
caps.send_binary_string = true;
}
if (!settings.chunks.size) {
delete settings.chunks;
}
plupload.each(settings, function(value, feature) {
resolve(feature, !!value, true); // strict check
});
return caps;
}
/**
* @module plupload
* @static
*/
var plupload = {
/**
* Plupload version will be replaced on build.
*
* @property VERSION
* @for Plupload
* @static
* @final
*/
VERSION : '@@version@@',
/**
* Inital state of the queue and also the state ones it's finished all it's uploads.
*
* @property STOPPED
* @static
* @final
*/
STOPPED : 1,
/**
* Upload process is running
*
* @property STARTED
* @static
* @final
*/
STARTED : 2,
/**
* File is queued for upload
*
* @property QUEUED
* @static
* @final
*/
QUEUED : 1,
/**
* File is being uploaded
*
* @property UPLOADING
* @static
* @final
*/
UPLOADING : 2,
/**
* File has failed to be uploaded
*
* @property FAILED
* @static
* @final
*/
FAILED : 4,
/**
* File has been uploaded successfully
*
* @property DONE
* @static
* @final
*/
DONE : 5,
// Error constants used by the Error event
/**
* Generic error for example if an exception is thrown inside Silverlight.
*
* @property GENERIC_ERROR
* @static
* @final
*/
GENERIC_ERROR : -100,
/**
* HTTP transport error. For example if the server produces a HTTP status other than 200.
*
* @property HTTP_ERROR
* @static
* @final
*/
HTTP_ERROR : -200,
/**
* Generic I/O error. For exampe if it wasn't possible to open the file stream on local machine.
*
* @property IO_ERROR
* @static
* @final
*/
IO_ERROR : -300,
/**
* Generic I/O error. For exampe if it wasn't possible to open the file stream on local machine.
*
* @property SECURITY_ERROR
* @static
* @final
*/
SECURITY_ERROR : -400,
/**
* Initialization error. Will be triggered if no runtime was initialized.
*
* @property INIT_ERROR
* @static
* @final
*/
INIT_ERROR : -500,
/**
* File size error. If the user selects a file that is too large it will be blocked and an error of this type will be triggered.
*
* @property FILE_SIZE_ERROR
* @static
* @final
*/
FILE_SIZE_ERROR : -600,
/**
* File extension error. If the user selects a file that isn't valid according to the filters setting.
*
* @property FILE_EXTENSION_ERROR
* @static
* @final
*/
FILE_EXTENSION_ERROR : -601,
/**
* Duplicate file error. If prevent_duplicates is set to true and user selects the same file again.
*
* @property FILE_DUPLICATE_ERROR
* @static
* @final
*/
FILE_DUPLICATE_ERROR : -602,
/**
* Runtime will try to detect if image is proper one. Otherwise will throw this error.
*
* @property IMAGE_FORMAT_ERROR
* @static
* @final
*/
IMAGE_FORMAT_ERROR : -700,
/**
* While working on the image runtime will try to detect if the operation may potentially run out of memeory and will throw this error.
*
* @property IMAGE_MEMORY_ERROR
* @static
* @final
*/
IMAGE_MEMORY_ERROR : -701,
/**
* Each runtime has an upper limit on a dimension of the image it can handle. If bigger, will throw this error.
*
* @property IMAGE_DIMENSIONS_ERROR
* @static
* @final
*/
IMAGE_DIMENSIONS_ERROR : -702,
/**
* Mime type lookup table.
*
* @property mimeTypes
* @type Object
* @final
*/
mimeTypes : o.mimes,
/**
* In some cases sniffing is the only way around :(
*/
ua: o.ua,
/**
* Gets the true type of the built-in object (better version of typeof).
* @credits Angus Croll (http://javascriptweblog.wordpress.com/)
*
* @method typeOf
* @static
* @param {Object} o Object to check.
* @return {String} Object [[Class]]
*/
typeOf: o.typeOf,
/**
* Extends the specified object with another object.
*
* @method extend
* @static
* @param {Object} target Object to extend.
* @param {Object..} obj Multiple objects to extend with.
* @return {Object} Same as target, the extended object.
*/
extend : o.extend,
/**
* Generates an unique ID. This is 99.99% unique since it takes the current time and 5 random numbers.
* The only way a user would be able to get the same ID is if the two persons at the same exact milisecond manages
* to get 5 the same random numbers between 0-65535 it also uses a counter so each call will be guaranteed to be page unique.
* It's more probable for the earth to be hit with an ansteriod. You can also if you want to be 100% sure set the plupload.guidPrefix property
* to an user unique key.
*
* @method guid
* @static
* @return {String} Virtually unique id.
*/
guid : o.guid,
/**
* Executes the callback function for each item in array/object. If you return false in the
* callback it will break the loop.
*
* @method each
* @static
* @param {Object} obj Object to iterate.
* @param {function} callback Callback function to execute for each item.
*/
each : o.each,
/**
* Returns the absolute x, y position of an Element. The position will be returned in a object with x, y fields.
*
* @method getPos
* @static
* @param {Element} node HTML element or element id to get x, y position from.
* @param {Element} root Optional root element to stop calculations at.
* @return {object} Absolute position of the specified element object with x, y fields.
*/
getPos : o.getPos,
/**
* Returns the size of the specified node in pixels.
*
* @method getSize
* @static
* @param {Node} node Node to get the size of.
* @return {Object} Object with a w and h property.
*/
getSize : o.getSize,
/**
* Encodes the specified string.
*
* @method xmlEncode
* @static
* @param {String} s String to encode.
* @return {String} Encoded string.
*/
xmlEncode : function(str) {
var xmlEncodeChars = {'<' : 'lt', '>' : 'gt', '&' : 'amp', '"' : 'quot', ''' : '#39'}, xmlEncodeRegExp = /[<>&"']/g;
return str ? ('' + str).replace(xmlEncodeRegExp, function(chr) {
return xmlEncodeChars[chr] ? '&' + xmlEncodeChars[chr] + ';' : chr;
}) : str;
},
/**
* Forces anything into an array.
*
* @method toArray
* @static
* @param {Object} obj Object with length field.
* @return {Array} Array object containing all items.
*/
toArray : o.toArray,
/**
* Find an element in array and return it's index if present, otherwise return -1.
*
* @method inArray
* @static
* @param {mixed} needle Element to find
* @param {Array} array
* @return {Int} Index of the element, or -1 if not found
*/
inArray : o.inArray,
/**
* Extends the language pack object with new items.
*
* @method addI18n
* @static
* @param {Object} pack Language pack items to add.
* @return {Object} Extended language pack object.
*/
addI18n : o.addI18n,
/**
* Translates the specified string by checking for the english string in the language pack lookup.
*
* @method translate
* @static
* @param {String} str String to look for.
* @return {String} Translated string or the input string if it wasn't found.
*/
translate : o.translate,
/**
* Checks if object is empty.
*
* @method isEmptyObj
* @static
* @param {Object} obj Object to check.
* @return {Boolean}
*/
isEmptyObj : o.isEmptyObj,
/**
* Checks if specified DOM element has specified class.
*
* @method hasClass
* @static
* @param {Object} obj DOM element like object to add handler to.
* @param {String} name Class name
*/
hasClass : o.hasClass,
/**
* Adds specified className to specified DOM element.
*
* @method addClass
* @static
* @param {Object} obj DOM element like object to add handler to.
* @param {String} name Class name
*/
addClass : o.addClass,
/**
* Removes specified className from specified DOM element.
*
* @method removeClass
* @static
* @param {Object} obj DOM element like object to add handler to.
* @param {String} name Class name
*/
removeClass : o.removeClass,
/**
* Returns a given computed style of a DOM element.
*
* @method getStyle
* @static
* @param {Object} obj DOM element like object.
* @param {String} name Style you want to get from the DOM element
*/
getStyle : o.getStyle,
/**
* Adds an event handler to the specified object and store reference to the handler
* in objects internal Plupload registry (@see removeEvent).
*
* @method addEvent
* @static
* @param {Object} obj DOM element like object to add handler to.
* @param {String} name Name to add event listener to.
* @param {Function} callback Function to call when event occurs.
* @param {String} (optional) key that might be used to add specifity to the event record.
*/
addEvent : o.addEvent,
/**
* Remove event handler from the specified object. If third argument (callback)
* is not specified remove all events with the specified name.
*
* @method removeEvent
* @static
* @param {Object} obj DOM element to remove event listener(s) from.
* @param {String} name Name of event listener to remove.
* @param {Function|String} (optional) might be a callback or unique key to match.
*/
removeEvent: o.removeEvent,
/**
* Remove all kind of events from the specified object
*
* @method removeAllEvents
* @static
* @param {Object} obj DOM element to remove event listeners from.
* @param {String} (optional) unique key to match, when removing events.
*/
removeAllEvents: o.removeAllEvents,
/**
* Cleans the specified name from national characters (diacritics). The result will be a name with only a-z, 0-9 and _.
*
* @method cleanName
* @static
* @param {String} s String to clean up.
* @return {String} Cleaned string.
*/
cleanName : function(name) {
var i, lookup;
// Replace diacritics
lookup = [
/[300-306]/g, 'A', /[340-346]/g, 'a',
/307/g, 'C', /347/g, 'c',
/[310-313]/g, 'E', /[350-353]/g, 'e',
/[314-317]/g, 'I', /[354-357]/g, 'i',
/321/g, 'N', /361/g, 'n',
/[322-330]/g, 'O', /[362-370]/g, 'o',
/[331-334]/g, 'U', /[371-374]/g, 'u'
];
for (i = 0; i < lookup.length; i += 2) {
name = name.replace(lookup[i], lookup[i + 1]);
}
// Replace whitespace
name = name.replace(/s+/g, '_');
// Remove anything else
name = name.replace(/[^a-z0-9_-.]+/gi, '');
return name;
},
/**
* Builds a full url out of a base URL and an object with items to append as query string items.
*
* @method buildUrl
* @static
* @param {String} url Base URL to append query string items to.
* @param {Object} items Name/value object to serialize as a querystring.
* @return {String} String with url + serialized query string items.
*/
buildUrl : function(url, items) {
var query = '';
plupload.each(items, function(value, name) {
query += (query ? '&' : '') + encodeURIComponent(name) + '=' + encodeURIComponent(value);
});
if (query) {
url += (url.indexOf('?') > 0 ? '&' : '?') + query;
}
return url;
},
/**
* Formats the specified number as a size string for example 1024 becomes 1 KB.
*
* @method formatSize
* @static
* @param {Number} size Size to format as string.
* @return {String} Formatted size string.
*/
formatSize : function(size) {
if (size === undef || /D/.test(size)) {
return plupload.translate('N/A');
}
// TB
if (size > 1099511627776) {
return Math.round(size / 1099511627776, 1) + " " + plupload.translate('tb');
}
// GB
if (size > 1073741824) {
return Math.round(size / 1073741824, 1) + " " + plupload.translate('gb');
}
// MB
if (size > 1048576) {
return Math.round(size / 1048576, 1) + " " + plupload.translate('mb');
}
// KB
if (size > 1024) {
return Math.round(size / 1024, 1) + " " + plupload.translate('kb');
}
return size + " " + plupload.translate('b');
},
/**
* Parses the specified size string into a byte value. For example 10kb becomes 10240.
*
* @method parseSize
* @static
* @param {String|Number} size String to parse or number to just pass through.
* @return {Number} Size in bytes.
*/
parseSize : o.parseSizeStr,
/**
* A way to predict what runtime will be choosen in the current environment with the
* specified settings or a list of features/caps.
*
* @method predictRuntime
* @static
* @param {Object|String} features List of settings/features/caps
* @return {String} Type of compatible runtime
*/
predictRuntime : function(features) {
return o.Runtime.thatCan(normalizeCaps(plupload.extend({}, features)));
}
};
/**
@class Uploader
@constructor
@param {Object} settings For detailed information about each option check documentation.
@param {String|DOMElement} settings.browse_button id of the DOM element or DOM element itself to use as file dialog trigger.
@param {String} settings.url URL of the server-side upload handler.
@param {Number|String} [settings.chunk_size=0] Chunk size in bytes to slice the file into. Shorcuts with b, kb, mb, gb, tb suffixes also supported. `e.g. 204800 or "204800b" or "200kb"`. By default - disabled.
@param {String} [settings.container] id of the DOM element to use as a container for uploader structures. Defaults to document.body.
@param {String|DOMElement} [settings.drop_element] id of the DOM element or DOM element itself to use as a drop zone for Drag-n-Drop.
@param {String} [settings.file_data_name="file"] Name for the file field in Multipart formated message.
@param {Array} [settings.filters=[]] Set of file type filters, each one defined by hash of title and extensions. `e.g. {title : "Image files", extensions : "jpg,jpeg,gif,png"}`. Dispatches `plupload.FILE_EXTENSION_ERROR`
@param {String} [settings.flash_swf_url] URL of the Flash swf.
@param {Object} [settings.headers] Custom headers to send with the upload. Hash of name/value pairs.
@param {Number|String} [settings.max_file_size] Maximum file size that the user can pick, in bytes. Optionally supports b, kb, mb, gb, tb suffixes. `e.g. "10mb" or "1gb"`. By default - not set. Dispatches `plupload.FILE_SIZE_ERROR`.
@param {Number} [settings.max_retries=0] How many times to retry the chunk or file, before triggering Error event.
@param {Boolean} [settings.multipart=true] Whether to send file and additional parameters as Multipart formated message.
@param {Object} [settings.multipart_params] Hash of key/value pairs to send with every file upload.
@param {Boolean} [settings.multi_selection=true] Enable ability to select multiple files at once in file dialog.
@param {Boolean} [settings.prevent_duplicates=false] Do not let duplicates into the queue. Dispatches `plupload.FILE_DUPLICATE_ERROR`.
@param {String|Object} [settings.required_features] Either comma-separated list or hash of required features that chosen runtime should absolutely possess.
@param {Object} [settings.resize] Enable resizng of images on client-side. Applies to `image/jpeg` and `image/png` only. `e.g. {width : 200, height : 200, quality : 90, crop: true}`
@param {Number} [settings.resize.width] If image is bigger, it will be resized.
@param {Number} [settings.resize.height] If image is bigger, it will be resized.
@param {Number} [settings.resize.quality=90] Compression quality for jpegs (1-100).
@param {Boolean} [settings.resize.crop=false] Whether to crop images to exact dimensions. By default they will be resized proportionally.
@param {String} [settings.runtimes="html5,flash,silverlight,html4"] Comma separated list of runtimes, that Plupload will try in turn, moving to the next if previous fails.
@param {String} [settings.silverlight_xap_url] URL of the Silverlight xap.
@param {Boolean} [settings.unique_names=false] If true will generate unique filenames for uploaded files.
*/
plupload.Uploader = function(settings) {
/**
* Fires when the current RunTime has been initialized.
*
* @event Init
* @param {plupload.Uploader} uploader Uploader instance sending the event.
*/
/**
* Fires after the init event incase you need to perform actions there.
*
* @event PostInit
* @param {plupload.Uploader} uploader Uploader instance sending the event.
*/
/**
* Fires when the silverlight/flash or other shim needs to move.
*
* @event Refresh
* @param {plupload.Uploader} uploader Uploader instance sending the event.
*/
/**
* Fires when the overall state is being changed for the upload queue.
*
* @event StateChanged
* @param {plupload.Uploader} uploader Uploader instance sending the event.
*/
/**
* Fires when a file is to be uploaded by the runtime.
*
* @event UploadFile
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {plupload.File} file File to be uploaded.
*/
/**
* Fires when just before a file is uploaded. This event enables you to override settings
* on the uploader instance before the file is uploaded.
*
* @event BeforeUpload
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {plupload.File} file File to be uploaded.
*/
/**
* Fires when the file queue is changed. In other words when files are added/removed to the files array of the uploader instance.
*
* @event QueueChanged
* @param {plupload.Uploader} uploader Uploader instance sending the event.
*/
/**
* Fires while a file is being uploaded. Use this event to update the current file upload progress.
*
* @event UploadProgress
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {plupload.File} file File that is currently being uploaded.
*/
/**
* Fires while a file was removed from queue.
*
* @event FilesRemoved
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {Array} files Array of files that got removed.
*/
/**
* Fires while when the user selects files to upload.
*
* @event FilesAdded
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {Array} files Array of file objects that was added to queue/selected by the user.
*/
/**
* Fires when a file is successfully uploaded.
*
* @event FileUploaded
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {plupload.File} file File that was uploaded.
* @param {Object} response Object with response properties.
*/
/**
* Fires when file chunk is uploaded.
*
* @event ChunkUploaded
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {plupload.File} file File that the chunk was uploaded for.
* @param {Object} response Object with response properties.
*/
/**
* Fires when all files in a queue are uploaded.
*
* @event UploadComplete
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {Array} files Array of file objects that was added to queue/selected by the user.
*/
/**
* Fires when a error occurs.
*
* @event Error
* @param {plupload.Uploader} uploader Uploader instance sending the event.
* @param {Object} error Contains code, message and sometimes file and other details.
*/
/**
* Fires when destroy method is called.
*
* @event Destroy
* @param {plupload.Uploader} uploader Uploader instance sending the event.
*/
var files = [], events = {}, required_caps = {},
startTime, total, disabled = false,
fileInput, fileDrop, xhr;
// Private methods
function uploadNext() {
var file, count = 0, i;
if (this.state == plupload.STARTED) {
// Find first QUEUED file
for (i = 0; i < files.length; i++) {
if (!file && files[i].status == plupload.QUEUED) {
file = files[i];
if (this.trigger("BeforeUpload", file)) {
file.status = plupload.UPLOADING;
this.trigger("UploadFile", file);
}
} else {
count++;
}
}
// All files are DONE or FAILED
if (count == files.length) {
if (this.state !== plupload.STOPPED) {
this.state = plupload.STOPPED;
this.trigger("StateChanged");
}
this.trigger("UploadComplete", files);
}
}
}
function calcFile(file) {
file.percent = file.size > 0 ? Math.ceil(file.loaded / file.size * 100) : 100;
calc();
}
function calc() {
var i, file;
// Reset stats
total.reset();
// Check status, size, loaded etc on all files
for (i = 0; i < files.length; i++) {
file = files[i];
if (file.size !== undef) {
// We calculate totals based on original file size
total.size += file.origSize;
// Since we cannot predict file size after resize, we do opposite and
// interpolate loaded amount to match magnitude of total
total.loaded += file.loaded * file.origSize / file.size;
} else {
total.size = undef;
}
if (file.status == plupload.DONE) {
total.uploaded++;
} else if (file.status == plupload.FAILED) {
total.failed++;
} else {
total.queued++;
}
}
// If we couldn't calculate a total file size then use the number of files to calc percent
if (total.size === undef) {
total.percent = files.length > 0 ? Math.ceil(total.uploaded / files.length * 100) : 0;
} else {
total.bytesPerSec = Math.ceil(total.loaded / ((+new Date() - startTime || 1) / 1000.0));
total.percent = total.size > 0 ? Math.ceil(total.loaded / total.size * 100) : 0;
}
}
function addSelectedFiles(native_files) {
var i, files = [];
// Add the selected files to the file queue
for (i = 0; i < native_files.length; i++) {
files.push(new plupload.File(native_files[i]));
}
// Trigger FilesAdded event if we added any
if (files.length) {
this.trigger("FilesAdded", files);
}
}
function initControls() {
var self = this, initialized = 0;
// common settings
var options = {
accept: settings.filters,
runtime_order: settings.runtimes,
required_caps: required_caps,
swf_url: settings.flash_swf_url,
xap_url: settings.silverlight_xap_url
};
// add runtime specific options if any
plupload.each(settings.runtimes.split(/s*,s*/), function(runtime) {
if (settings[runtime]) {
options[runtime] = settings[runtime];
}
});
o.inSeries([
function(cb) {
// Initialize file dialog trigger
if (settings.browse_button) {
fileInput = new o.FileInput(plupload.extend({}, options, {
name: settings.file_data_name,
multiple: settings.multi_selection,
container: settings.container,
browse_button: settings.browse_button
}));
fileInput.onready = function() {
var info = o.Runtime.getInfo(this.ruid);
// for backward compatibility
o.extend(self.features, {
chunks: info.can('slice_blob'),
multipart: info.can('send_multipart'),
multi_selection: info.can('select_multiple')
});
initialized++;
cb();
};
fileInput.onchange = function() {
addSelectedFiles.call(self, this.files);
};
fileInput.bind('mouseenter mouseleave mousedown mouseup', function(e) {
if (!disabled) {
var bButton = o.get(settings.browse_button);
if (bButton) {
if (settings.browse_button_hover) {
if ('mouseenter' === e.type) {
o.addClass(bButton, settings.browse_button_hover);
} else if ('mouseleave' === e.type) {
o.removeClass(bButton, settings.browse_button_hover);
}
}
if (settings.browse_button_active) {
if ('mousedown' === e.type) {
o.addClass(bButton, settings.browse_button_active);
} else if ('mouseup' === e.type) {
o.removeClass(bButton, settings.browse_button_active);
}
}
bButton = null;
}
}
});
fileInput.bind('error runtimeerror', function() {
cb();
});
fileInput.init();
} else {
cb();
}
},
function(cb) {
// Initialize drag/drop interface if requested
if (settings.drop_element) {
fileDrop = new o.FileDrop(plupload.extend({}, options, {
drop_zone: settings.drop_element
}));
fileDrop.onready = function() {
var info = o.Runtime.getInfo(this.ruid);
self.features.dragdrop = info.can('drag_and_drop');
initialized++;
cb();
};
fileDrop.ondrop = function() {
addSelectedFiles.call(self, this.files);
};
fileDrop.bind('error runtimeerror', function() {
cb();
});
fileDrop.init();
} else {
cb();
}
}
],
function() {
if (initialized) {
self.trigger('PostInit');
if (typeof(settings.init) == "function") {
settings.init(self);
} else {
plupload.each(settings.init, function(func, name) {
self.bind(name, func);
});
}
} else {
self.trigger('Error', {
code : plupload.INIT_ERROR,
message : plupload.translate('Init error.')
});
}
});
}
function runtimeCan(file, cap) {
if (file.ruid) {
var info = o.Runtime.getInfo(file.ruid);
if (info) {
return info.can(cap);
}
}
return false;
}
function resizeImage(blob, params, cb) {
var img = new o.Image();
try {
img.onload = function() {
img.downsize(params.width, params.height, params.crop, params.preserve_headers);
};
img.onresize = function() {
cb(this.getAsBlob(blob.type, params.quality));
this.destroy();
};
img.onerror = function() {
cb(blob);
};
img.load(blob);
} catch(ex) {
cb(blob);
}
}
// Inital total state
total = new plupload.QueueProgress();
// Default settings
settings = plupload.extend({
runtimes: o.Runtime.order,
max_retries: 0,
multipart : true,
multi_selection : true,
file_data_name : 'file',
filters : [],
prevent_duplicates: false
}, settings);
// Resize defaults
if (settings.resize) {
settings.resize = plupload.extend({
preserve_headers: true,
crop: false
}, settings.resize);
}
// Alternative format for chunks
settings.chunks = plupload.extend({
size: settings.chunk_size || 0,
send_chunk_number: false // send current chunk and total number of chunks, instead of offset and total bytes
}, settings.chunks);
required_caps = normalizeCaps(plupload.extend({}, settings));
// Add public methods
plupload.extend(this, {
/**
* Unique id for the Uploader instance.
*
* @property id
* @type String
*/
id : plupload.guid(),
/**
* Current state of the total uploading progress. This one can either be plupload.STARTED or plupload.STOPPED.
* These states are controlled by the stop/start methods. The default value is STOPPED.
*
* @property state
* @type Number
*/
state : plupload.STOPPED,
/**
* Map of features that are available for the uploader runtime. Features will be filled
* before the init event is called, these features can then be used to alter the UI for the end user.
* Some of the current features that might be in this map is: dragdrop, chunks, jpgresize, pngresize.
*
* @property features
* @type Object
*/
features : {},
/**
* Current upload queue, an array of File instances.
*
* @property files
* @type Array
* @see plupload.File
*/
files : files,
/**
* Object with name/value settings.
*
* @property settings
* @type Object
*/
settings : settings,
/**
* Total progess information. How many files has been uploaded, total percent etc.
*
* @property total
* @type plupload.QueueProgress
*/
total : total,
/**
* Initializes the Uploader instance and adds internal event listeners.
*
* @method init
*/
init : function() {
var self = this;
// Convert settings
settings.chunks.size = plupload.parseSize(settings.chunks.size);
settings.max_file_size = plupload.parseSize(settings.max_file_size);
// Check if drop zone requested
settings.drop_element = o.get(settings.drop_element);
if (typeof(settings.preinit) == "function") {
settings.preinit(self);
} else {
plupload.each(settings.preinit, function(func, name) {
self.bind(name, func);
});
}
// Add files to queue
self.bind('FilesAdded', function(up, selected_files) {
var i, ii, file, count = 0, extensionsRegExp, filters = settings.filters;
// Convert extensions to regexp
if (filters && filters.length) {
extensionsRegExp = [];
plupload.each(filters, function(filter) {
plupload.each(filter.extensions.split(/,/), function(ext) {
if (/^s**s*$/.test(ext)) {
extensionsRegExp.push('\.*');
} else {
extensionsRegExp.push('\.' + ext.replace(new RegExp('[' + ('/^$.*+?|()[]{}\'.replace(/./g, '\$&')) + ']', 'g'), '\$&'));
}
});
});
extensionsRegExp = new RegExp('(' + extensionsRegExp.join('|') + ')$', 'i');
}
next_file:
for (i = 0; i < selected_files.length; i++) {
file = selected_files[i];
file.loaded = 0;
file.percent = 0;
file.status = plupload.QUEUED;
// Invalid file extension
if (extensionsRegExp && !extensionsRegExp.test(file.name)) {
up.trigger('Error', {
code : plupload.FILE_EXTENSION_ERROR,
message : plupload.translate('File extension error.'),
file : file
});
continue;
}
// Invalid file size
if (file.size !== undef && file.size > settings.max_file_size) {
up.trigger('Error', {
code : plupload.FILE_SIZE_ERROR,
message : plupload.translate('File size error.'),
file : file
});
continue;
}
// Bypass duplicates
if (settings.prevent_duplicates) {
ii = up.files.length;
while (ii--) {
// Compare by name and size (size might be 0 or undefined, but still equivalent for both)
if (file.name === up.files[ii].name && file.size === up.files[ii].size) {
up.trigger('Error', {
code : plupload.FILE_DUPLICATE_ERROR,
message : plupload.translate('Duplicate file error.'),
file : file
});
continue next_file;
}
}
}
// Add valid file to list
files.push(file);
count++;
}
// Only trigger QueueChanged event if any files where added
if (count) {
delay(function() {
self.trigger("QueueChanged");
self.refresh();
}, 1);
} else {
return false; // Stop the FilesAdded event from immediate propagation
}
});
self.bind("CancelUpload", function() {
if (xhr) {
xhr.abort();
}
});
// Generate unique target filenames
if (settings.unique_names) {
self.bind("UploadFile", function(up, file) {
var matches = file.name.match(/.([^.]+)$/), ext = "part";
if (matches) {
ext = matches[1];
}
file.target_name = file.id + '.' + ext;
});
}
self.bind("UploadFile", function(up, file) {
var url = up.settings.url, features = up.features, chunkSize = settings.chunks.size,
retries = settings.max_retries,
blob, offset = 0;
// make sure we start at a predictable offset
if (file.loaded) {
offset = file.loaded = chunkSize * Math.floor(file.loaded / chunkSize);
}
function handleError() {
if (retries-- > 0) {
delay(uploadNextChunk, 1);
} else {
file.loaded = offset; // reset all progress
up.trigger('Error', {
code : plupload.HTTP_ERROR,
message : plupload.translate('HTTP Error.'),
file : file,
response : xhr.responseText,
status : xhr.status,
responseHeaders: xhr.getAllResponseHeaders()
});
}
}
function uploadNextChunk() {
var chunkBlob, formData, args, curChunkSize;
// File upload finished
if (file.status == plupload.DONE || file.status == plupload.FAILED || up.state == plupload.STOPPED) {
return;
}
// Standard arguments
args = {name : file.target_name || file.name};
// Only add chunking args if needed
if (chunkSize && features.chunks && blob.size > chunkSize) { // blob will be of type string if it was loaded in memory
curChunkSize = Math.min(chunkSize, blob.size - offset);
chunkBlob = blob.slice(offset, offset + curChunkSize);
// Setup query string arguments
if (settings.chunks.send_chunk_number) {
args.chunk = Math.ceil(offset / chunkSize);
args.chunks = Math.ceil(blob.size / chunkSize);
} else {
args.offset = offset;
args.total = blob.size;
}
} else {
curChunkSize = blob.size;
chunkBlob = blob;
}
xhr = new o.XMLHttpRequest();
// Do we have upload progress support
if (xhr.upload) {
xhr.upload.onprogress = function(e) {
file.loaded = Math.min(file.size, offset + e.loaded);
up.trigger('UploadProgress', file);
};
}
xhr.onload = function() {
// check if upload made itself through
if (xhr.status >= 400) {
handleError();
return;
}
// Handle chunk response
if (curChunkSize < blob.size) {
chunkBlob.destroy();
offset += curChunkSize;
file.loaded = Math.min(offset, blob.size);
up.trigger('ChunkUploaded', file, {
offset : file.loaded,
total : blob.size,
response : xhr.responseText,
status : xhr.status,
responseHeaders: xhr.getAllResponseHeaders()
});
} else {
file.loaded = file.size;
}
up.trigger('UploadProgress', file);
chunkBlob = formData = null; // Free memory
// Check if file is uploaded
if (!offset || offset >= blob.size) {
// If file was modified, destory the copy
if (file.size != file.origSize) {
blob.destroy();
blob = null;
}
file.status = plupload.DONE;
up.trigger('FileUploaded', file, {
response : xhr.responseText,
status : xhr.status,
responseHeaders: xhr.getAllResponseHeaders()
});
} else {
// Still chunks left
delay(uploadNextChunk, 1); // run detached, otherwise event handlers interfere
}
};
xhr.onerror = function() {
handleError();
};
xhr.onloadend = function() {
this.destroy();
xhr = null;
};
// Build multipart request
if (up.settings.multipart && features.multipart) {
args.name = file.target_name || file.name;
xhr.open("post", url, true);
// Set custom headers
plupload.each(up.settings.headers, function(value, name) {
xhr.setRequestHeader(name, value);
});
formData = new o.FormData();
// Add multipart params
plupload.each(plupload.extend(args, up.settings.multipart_params), function(value, name) {
formData.append(name, value);
});
// Add file and send it
formData.append(up.settings.file_data_name, chunkBlob);
xhr.send(formData, {
runtime_order: up.settings.runtimes,
required_caps: required_caps,
swf_url: up.settings.flash_swf_url,
xap_url: up.settings.silverlight_xap_url
});
} else {
// if no multipart, send as binary stream
url = plupload.buildUrl(up.settings.url, plupload.extend(args, up.settings.multipart_params));
xhr.open("post", url, true);
xhr.setRequestHeader('Content-Type', 'application/octet-stream'); // Binary stream header
// Set custom headers
plupload.each(up.settings.headers, function(value, name) {
xhr.setRequestHeader(name, value);
});
xhr.send(chunkBlob, {
runtime_order: up.settings.runtimes,
required_caps: required_caps,
swf_url: up.settings.flash_swf_url,
xap_url: up.settings.silverlight_xap_url
});
}
}
blob = file.getSource();
// Start uploading chunks
if (!o.isEmptyObj(up.settings.resize) && runtimeCan(blob, 'send_binary_string') && !!~o.inArray(blob.type, ['image/jpeg', 'image/png'])) {
// Resize if required
resizeImage.call(this, blob, up.settings.resize, function(resizedBlob) {
blob = resizedBlob;
file.size = resizedBlob.size;
uploadNextChunk();
});
} else {
uploadNextChunk();
}
});
self.bind('UploadProgress', function(up, file) {
calcFile(file);
});
self.bind('StateChanged', function(up) {
if (up.state == plupload.STARTED) {
// Get start time to calculate bps
startTime = (+new Date());
} else if (up.state == plupload.STOPPED) {
// Reset currently uploading files
for (var i = up.files.length - 1; i >= 0; i--) {
if (up.files[i].status == plupload.UPLOADING) {
up.files[i].status = plupload.QUEUED;
calc();
}
}
}
});
self.bind('QueueChanged', calc);
self.bind("Error", function(up, err) {
// Set failed status if an error occured on a file
if (err.file) {
err.file.status = plupload.FAILED;
calcFile(err.file);
// Upload next file but detach it from the error event
// since other custom listeners might want to stop the queue
if (up.state == plupload.STARTED) {
delay(function() {
uploadNext.call(self);
}, 1);
}
}
});
self.bind("FileUploaded", function(up, file) {
file.status = plupload.DONE;
file.loaded = file.size;
calcFile(file);
// Upload next file but detach it from the error event
// since other custom listeners might want to stop the queue
delay(function() {
uploadNext.call(self);
}, 1);
});
// some dependent scripts hook onto Init to alter configuration options, raw UI, etc (like Queue Widget),
// therefore we got to fire this one, before we dive into the actual initializaion
self.trigger('Init', {
runtime: "Generic" // we need to pass something for backward compatibility
});
initControls.call(this);
},
/**
* Refreshes the upload instance by dispatching out a refresh event to all runtimes.
* This would for example reposition flash/silverlight shims on the page.
*
* @method refresh
*/
refresh : function() {
fileInput.trigger("Refresh");
this.trigger("Refresh");
},
/**
* Starts uploading the queued files.
*
* @method start
*/
start : function() {
if (this.state != plupload.STARTED) {
this.state = plupload.STARTED;
this.trigger("StateChanged");
uploadNext.call(this);
}
},
/**
* Stops the upload of the queued files.
*
* @method stop
*/
stop : function() {
if (this.state != plupload.STOPPED) {
this.state = plupload.STOPPED;
this.trigger("StateChanged");
this.trigger("CancelUpload");
}
},
/**
* Disables/enables browse button on request.
*
* @method disableBrowse
* @param {Boolean} disable Whether to disable or enable (default: true)
*/
disableBrowse : function() {
disabled = arguments[0] !== undef ? arguments[0] : true;
if (fileInput) {
fileInput.disable(disabled);
}
this.trigger("DisableBrowse", disabled);
},
/**
* Returns the specified file object by id.
*
* @method getFile
* @param {String} id File id to look for.
* @return {plupload.File} File object or undefined if it wasn't found;
*/
getFile : function(id) {
var i;
for (i = files.length - 1; i >= 0; i--) {
if (files[i].id === id) {
return files[i];
}
}
},
/**
* Adds file to the queue programmatically. Can be native file, instance of Plupload.File,
* instance of mOxie.File, input[type="file"] element, or array of these. Fires FilesAdded,
* if any files were added to the queue. Otherwise nothing happens.
*
* @method addFile
* @param {plupload.File|mOxie.File|File|Node|Array} file File or files to add to the queue.
* @param {String} [fileName] If specified, will be used as a name for the file
*/
addFile : function(file, fileName) {
var self = this
, files = []
, ruid
;
function getRUID() {
var runtime, ctrl = fileDrop || fileInput;
if (ctrl) {
runtime = ctrl.getRuntime();
if (runtime.type === 'html5') {
return runtime.uid;
}
}
return false;
}
function resolveFile(file) {
var type = o.typeOf(file);
if (file instanceof o.File) { // final step for other branches
if (!file.ruid) {
if (!ruid) { // weird case
return false;
}
file.ruid = ruid;
file.connectRuntime(ruid);
}
files.push(file);
if (fileName) {
files[files.length - 1].name = fileName;
}
} else if (file instanceof o.Blob) {
resolveFile(file.getSource());
file.destroy();
} else if (file instanceof plupload.File) {
resolveFile(file.getSource());
} else if (o.inArray(type, ['file', 'blob']) !== -1) {
resolveFile(new o.File(null, file));
} else if (type === 'node' && o.typeOf(file.files) === 'filelist') {
// if we are dealing with input[type="file"]
o.each(file.files, resolveFile);
} else if (type === 'array') {
// mixed array
fileName = null; // should never happen, but unset anyway to avoid funny situations
o.each(file, resolveFile);
}
}
ruid = getRUID();
resolveFile(file);
addSelectedFiles.call(self, files);
},
/**
* Removes a specific file.
*
* @method removeFile
* @param {plupload.File|String} file File to remove from queue.
*/
removeFile : function(file) {
var id = typeof(file) === 'string' ? file : file.id;
for (var i = files.length - 1; i >= 0; i--) {
if (files[i].id === id) {
return this.splice(i, 1)[0];
}
}
},
/**
* Removes part of the queue and returns the files removed. This will also trigger the FilesRemoved and QueueChanged events.
*
* @method splice
* @param {Number} start (Optional) Start index to remove from.
* @param {Number} length (Optional) Lengh of items to remove.
* @return {Array} Array of files that was removed.
*/
splice : function(start, length) {
// Splice and trigger events
var removed = files.splice(start === undef ? 0 : start, length === undef ? files.length : length);
this.trigger("FilesRemoved", removed);
this.trigger("QueueChanged");
// Dispose any resources allocated by those files
plupload.each(removed, function(file) {
file.destroy();
});
return removed;
},
/**
* Dispatches the specified event name and it's arguments to all listeners.
*
*
* @method trigger
* @param {String} name Event name to fire.
* @param {Object..} Multiple arguments to pass along to the listener functions.
*/
trigger : function(name) {
var list = events[name.toLowerCase()], i, args;
// console.log(name, arguments);
if (list) {
// Replace name with sender in args
args = Array.prototype.slice.call(arguments);
args[0] = this;
// Dispatch event to all listeners
for (i = 0; i < list.length; i++) {
// Fire event, break chain if false is returned
if (list[i].func.apply(list[i].scope, args) === false) {
return false;
}
}
}
return true;
},
/**
* Check whether uploader has any listeners to the specified event.
*
* @method hasEventListener
* @param {String} name Event name to check for.
*/
hasEventListener : function(name) {
return !!events[name.toLowerCase()];
},
/**
* Adds an event listener by name.
*
* @method bind
* @param {String} name Event name to listen for.
* @param {function} func Function to call ones the event gets fired.
* @param {Object} scope Optional scope to execute the specified function in.
*/
bind : function(name, func, scope) {
var list;
name = name.toLowerCase();
list = events[name] || [];
list.push({func : func, scope : scope || this});
events[name] = list;
},
/**
* Removes the specified event listener.
*
* @method unbind
* @param {String} name Name of event to remove.
* @param {function} func Function to remove from listener.
*/
unbind : function(name) {
name = name.toLowerCase();
var list = events[name], i, func = arguments[1];
if (list) {
if (func !== undef) {
for (i = list.length - 1; i >= 0; i--) {
if (list[i].func === func) {
list.splice(i, 1);
break;
}
}
} else {
list = [];
}
// delete event list if it has become empty
if (!list.length) {
delete events[name];
}
}
},
/**
* Removes all event listeners.
*
* @method unbindAll
*/
unbindAll : function() {
var self = this;
plupload.each(events, function(list, name) {
self.unbind(name);
});
},
/**
* Destroys Plupload instance and cleans after itself.
*
* @method destroy
*/
destroy : function() {
this.stop();
if (fileInput) {
fileInput.destroy();
}
if (fileDrop) {
fileDrop.destroy();
}
this.trigger('Destroy');
// Clean-up after uploader itself
this.unbindAll();
}
});
};
/**
* Constructs a new file instance.
*
* @class File
* @constructor
*
* @param {Object} file Object containing file properties
* @param {String} file.name Name of the file.
* @param {Number} file.size File size.
*/
plupload.File = (function() {
var filepool = {};
function PluploadFile(file) {
plupload.extend(this, {
/**
* File id this is a globally unique id for the specific file.
*
* @property id
* @type String
*/
id: plupload.guid(),
/**
* File name for example "myfile.gif".
*
* @property name
* @type String
*/
name: file.name || file.fileName,
/**
* File type, `e.g image/jpeg`
*
* @property type
* @type String
*/
type: file.type || '',
/**
* File size in bytes (may change after client-side manupilation).
*
* @property size
* @type Number
*/
size: file.size || file.fileSize,
/**
* Original file size in bytes.
*
* @property origSize
* @type Number
*/
origSize: file.size || file.fileSize,
/**
* Number of bytes uploaded of the files total size.
*
* @property loaded
* @type Number
*/
loaded: 0,
/**
* Number of percentage uploaded of the file.
*
* @property percent
* @type Number
*/
percent: 0,
/**
* Status constant matching the plupload states QUEUED, UPLOADING, FAILED, DONE.
*
* @property status
* @type Number
* @see plupload
*/
status: 0,
/**
* Returns native window.File object, when it's available.
*
* @method getNative
* @return {window.File} or null, if plupload.File is of different origin
*/
getNative: function() {
var file = this.getSource().getSource();
return o.inArray(o.typeOf(file), ['blob', 'file']) !== -1 ? file : null;
},
/**
* Returns mOxie.File - unified wrapper object that can be used across runtimes.
*
* @method getSource
* @return {mOxie.File} or null
*/
getSource: function() {
if (!filepool[this.id]) {
return null;
}
return filepool[this.id];
},
/**
* Destroys plupload.File object.
*
* @method destroy
*/
destroy: function() {
var src = this.getSource();
if (src) {
src.destroy();
delete filepool[this.id];
}
}
});
filepool[this.id] = file;
}
return PluploadFile;
}());
/**
* Constructs a queue progress.
*
* @class QueueProgress
* @constructor
*/
plupload.QueueProgress = function() {
var self = this; // Setup alias for self to reduce code size when it's compressed
/**
* Total queue file size.
*
* @property size
* @type Number
*/
self.size = 0;
/**
* Total bytes uploaded.
*
* @property loaded
* @type Number
*/
self.loaded = 0;
/**
* Number of files uploaded.
*
* @property uploaded
* @type Number
*/
self.uploaded = 0;
/**
* Number of files failed to upload.
*
* @property failed
* @type Number
*/
self.failed = 0;
/**
* Number of files yet to be uploaded.
*
* @property queued
* @type Number
*/
self.queued = 0;
/**
* Total percent of the uploaded bytes.
*
* @property percent
* @type Number
*/
self.percent = 0;
/**
* Bytes uploaded per second.
*
* @property bytesPerSec
* @type Number
*/
self.bytesPerSec = 0;
/**
* Resets the progress to it's initial values.
*
* @method reset
*/
self.reset = function() {
self.size = self.loaded = self.uploaded = self.failed = self.queued = self.percent = self.bytesPerSec = 0;
};
};
window.plupload = plupload;
}(window, mOxie));
?>