+++ /dev/null
-/*
- * 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();
- }
-
- });
-
-}));
fnp / redakcja.git / blobdiff