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Diffstat (limited to 'vendors/jquery-file-upload/js/jquery.fileupload-fp.js')
| -rw-r--r-- | vendors/jquery-file-upload/js/jquery.fileupload-fp.js | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/vendors/jquery-file-upload/js/jquery.fileupload-fp.js b/vendors/jquery-file-upload/js/jquery.fileupload-fp.js new file mode 100644 index 000000000..634fb5e4e --- /dev/null +++ b/vendors/jquery-file-upload/js/jquery.fileupload-fp.js @@ -0,0 +1,219 @@ +/* + * jQuery File Upload File Processing Plugin 1.0 + * https://github.com/blueimp/jQuery-File-Upload + * + * Copyright 2012, Sebastian Tschan + * https://blueimp.net + * + * Licensed under the MIT license: + * http://www.opensource.org/licenses/MIT + */ + +/*jslint nomen: true, unparam: true, regexp: true */ +/*global define, window, document */ + +(function (factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { + // Register as an anonymous AMD module: + define([ + 'jquery', + 'load-image', + 'canvas-to-blob', + './jquery.fileupload' + ], factory); + } else { + // Browser globals: + factory( + window.jQuery, + window.loadImage + ); + } +}(function ($, loadImage) { + 'use strict'; + + // The File Upload IP version extends the basic fileupload widget + // with file processing functionality: + $.widget('blueimpFP.fileupload', $.blueimp.fileupload, { + + options: { + // The list of file processing actions: + process: [ + /* + { + action: 'load', + fileTypes: /^image\/(gif|jpeg|png)$/, + maxFileSize: 20000000 // 20MB + }, + { + action: 'resize', + maxWidth: 1920, + maxHeight: 1200, + minWidth: 800, + minHeight: 600 + }, + { + action: 'save' + } + */ + ], + + // The add callback is invoked as soon as files are added to the + // fileupload widget (via file input selection, drag & drop or add + // API call). See the basic file upload widget for more information: + add: function (e, data) { + $(this).fileupload('process', data).done(function () { + data.submit(); + }); + } + }, + + processActions: { + // Loads the image given via data.files and data.index + // as canvas element. + // Accepts the options fileTypes (regular expression) + // and maxFileSize (integer) to limit the files to load: + load: function (data, options) { + var that = this, + file = data.files[data.index], + dfd = $.Deferred(); + if (window.HTMLCanvasElement && + window.HTMLCanvasElement.prototype.toBlob && + ($.type(options.maxFileSize) !== 'number' || + file.size < options.maxFileSize) && + (!options.fileTypes || + options.fileTypes.test(file.type))) { + loadImage( + file, + function (canvas) { + data.canvas = canvas; + dfd.resolveWith(that, [data]); + }, + {canvas: true} + ); + } else { + dfd.rejectWith(that, [data]); + } + return dfd.promise(); + }, + // Resizes the image given as data.canvas and updates + // data.canvas with the resized image. + // Accepts the options maxWidth, maxHeight, minWidth and + // minHeight to scale the given image: + resize: function (data, options) { + if (data.canvas) { + var canvas = loadImage.scale(data.canvas, options); + if (canvas.width !== data.canvas.width || + canvas.height !== data.canvas.height) { + data.canvas = canvas; + data.processed = true; + } + } + return data; + }, + // Saves the processed image given as data.canvas + // inplace at data.index of data.files: + save: function (data, options) { + // Do nothing if no processing has happened: + if (!data.canvas || !data.processed) { + return data; + } + var that = this, + file = data.files[data.index], + name = file.name, + dfd = $.Deferred(), + callback = function (blob) { + if (!blob.name) { + if (file.type === blob.type) { + blob.name = file.name; + } else if (file.name) { + blob.name = file.name.replace( + /\..+$/, + '.' + blob.type.substr(6) + ); + } + } + // Store the created blob at the position + // of the original file in the files list: + data.files[data.index] = blob; + dfd.resolveWith(that, [data]); + }; + // Use canvas.mozGetAsFile directly, to retain the filename, as + // Gecko doesn't support the filename option for FormData.append: + if (data.canvas.mozGetAsFile) { + callback(data.canvas.mozGetAsFile( + (/^image\/(jpeg|png)$/.test(file.type) && name) || + ((name && name.replace(/\..+$/, '')) || + 'blob') + '.png', + file.type + )); + } else { + data.canvas.toBlob(callback, file.type); + } + return dfd.promise(); + } + }, + + // Resizes the file at the given index and stores the created blob at + // the original position of the files list, returns a Promise object: + _processFile: function (files, index, options) { + var that = this, + dfd = $.Deferred().resolveWith(that, [{ + files: files, + index: index + }]), + chain = dfd.promise(); + that._processing += 1; + $.each(options.process, function (i, settings) { + chain = chain.pipe(function (data) { + return that.processActions[settings.action] + .call(this, data, settings); + }); + }); + chain.always(function () { + that._processing -= 1; + if (that._processing === 0) { + that.element + .removeClass('fileupload-processing'); + } + }); + if (that._processing === 1) { + that.element.addClass('fileupload-processing'); + } + return chain; + }, + + // Processes the files given as files property of the data parameter, + // returns a Promise object that allows to bind a done handler, which + // will be invoked after processing all files (inplace) is done: + process: function (data) { + var that = this, + options = $.extend({}, this.options, data); + if (options.process && options.process.length && + this._isXHRUpload(options)) { + $.each(data.files, function (index, file) { + that._processingQueue = that._processingQueue.pipe( + function () { + var dfd = $.Deferred(); + that._processFile(data.files, index, options) + .always(function () { + dfd.resolveWith(that); + }); + return dfd.promise(); + } + ); + }); + } + return this._processingQueue; + }, + + _create: function () { + $.blueimp.fileupload.prototype._create.call(this); + this._processing = 0; + this._processingQueue = $.Deferred().resolveWith(this) + .promise(); + } + + }); + +})); |