439 lines
17 KiB
JavaScript
Executable File
439 lines
17 KiB
JavaScript
Executable File
/*
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* jQuery File Upload AngularJS Plugin
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* https://github.com/blueimp/jQuery-File-Upload
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*
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* Copyright 2013, Sebastian Tschan
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* https://blueimp.net
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*
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* Licensed under the MIT license:
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* https://opensource.org/licenses/MIT
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*/
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/* jshint nomen:false */
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/* global define, angular, require */
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;(function (factory) {
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'use strict';
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if (typeof define === 'function' && define.amd) {
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// Register as an anonymous AMD module:
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define([
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'jquery',
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'angular',
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'./jquery.fileupload-image',
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'./jquery.fileupload-audio',
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'./jquery.fileupload-video',
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'./jquery.fileupload-validate'
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], factory);
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} else if (typeof exports === 'object') {
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// Node/CommonJS:
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factory(
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require('jquery'),
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require('angular'),
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require('./jquery.fileupload-image'),
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require('./jquery.fileupload-audio'),
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require('./jquery.fileupload-video'),
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require('./jquery.fileupload-validate')
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);
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} else {
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factory();
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}
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}(function () {
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'use strict';
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angular.module('blueimp.fileupload', [])
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// The fileUpload service provides configuration options
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// for the fileUpload directive and default handlers for
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// File Upload events:
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.provider('fileUpload', function () {
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var scopeEvalAsync = function (expression) {
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var scope = angular.element(this)
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.fileupload('option', 'scope');
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// Schedule a new $digest cycle if not already inside of one
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// and evaluate the given expression:
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scope.$evalAsync(expression);
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},
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addFileMethods = function (scope, data) {
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var files = data.files,
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file = files[0];
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angular.forEach(files, function (file, index) {
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file._index = index;
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file.$state = function () {
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return data.state();
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};
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file.$processing = function () {
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return data.processing();
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};
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file.$progress = function () {
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return data.progress();
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};
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file.$response = function () {
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return data.response();
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};
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});
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file.$submit = function () {
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if (!file.error) {
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return data.submit();
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}
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};
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file.$cancel = function () {
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return data.abort();
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};
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},
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$config;
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$config = this.defaults = {
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handleResponse: function (e, data) {
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var files = data.result && data.result.files;
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if (files) {
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data.scope.replace(data.files, files);
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} else if (data.errorThrown ||
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data.textStatus === 'error') {
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data.files[0].error = data.errorThrown ||
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data.textStatus;
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}
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},
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add: function (e, data) {
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if (e.isDefaultPrevented()) {
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return false;
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}
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var scope = data.scope,
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filesCopy = [];
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angular.forEach(data.files, function (file) {
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filesCopy.push(file);
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});
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scope.$parent.$applyAsync(function () {
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addFileMethods(scope, data);
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var method = scope.option('prependFiles') ?
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'unshift' : 'push';
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Array.prototype[method].apply(scope.queue, data.files);
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});
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data.process(function () {
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return scope.process(data);
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}).always(function () {
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scope.$parent.$applyAsync(function () {
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addFileMethods(scope, data);
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scope.replace(filesCopy, data.files);
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});
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}).then(function () {
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if ((scope.option('autoUpload') ||
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data.autoUpload) &&
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data.autoUpload !== false) {
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data.submit();
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}
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});
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},
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done: function (e, data) {
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if (e.isDefaultPrevented()) {
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return false;
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}
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var that = this;
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data.scope.$apply(function () {
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data.handleResponse.call(that, e, data);
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});
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},
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fail: function (e, data) {
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if (e.isDefaultPrevented()) {
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return false;
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}
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var that = this,
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scope = data.scope;
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if (data.errorThrown === 'abort') {
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scope.clear(data.files);
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return;
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}
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scope.$apply(function () {
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data.handleResponse.call(that, e, data);
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});
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},
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stop: scopeEvalAsync,
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processstart: scopeEvalAsync,
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processstop: scopeEvalAsync,
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getNumberOfFiles: function () {
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var scope = this.scope;
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return scope.queue.length - scope.processing();
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},
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dataType: 'json',
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autoUpload: false
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};
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this.$get = [
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function () {
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return {
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defaults: $config
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};
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}
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];
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})
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// Format byte numbers to readable presentations:
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.provider('formatFileSizeFilter', function () {
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var $config = {
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// Byte units following the IEC format
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// http://en.wikipedia.org/wiki/Kilobyte
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units: [
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{size: 1000000000, suffix: ' GB'},
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{size: 1000000, suffix: ' MB'},
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{size: 1000, suffix: ' KB'}
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]
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};
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this.defaults = $config;
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this.$get = function () {
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return function (bytes) {
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if (!angular.isNumber(bytes)) {
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return '';
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}
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var unit = true,
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i = 0,
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prefix,
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suffix;
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while (unit) {
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unit = $config.units[i];
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prefix = unit.prefix || '';
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suffix = unit.suffix || '';
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if (i === $config.units.length - 1 || bytes >= unit.size) {
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return prefix + (bytes / unit.size).toFixed(2) + suffix;
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}
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i += 1;
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}
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};
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};
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})
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// The FileUploadController initializes the fileupload widget and
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// provides scope methods to control the File Upload functionality:
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.controller('FileUploadController', [
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'$scope', '$element', '$attrs', '$window', 'fileUpload','$q',
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function ($scope, $element, $attrs, $window, fileUpload, $q) {
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var uploadMethods = {
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progress: function () {
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return $element.fileupload('progress');
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},
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active: function () {
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return $element.fileupload('active');
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},
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option: function (option, data) {
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if (arguments.length === 1) {
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return $element.fileupload('option', option);
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}
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$element.fileupload('option', option, data);
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},
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add: function (data) {
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return $element.fileupload('add', data);
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},
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send: function (data) {
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return $element.fileupload('send', data);
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},
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process: function (data) {
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return $element.fileupload('process', data);
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},
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processing: function (data) {
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return $element.fileupload('processing', data);
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}
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};
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$scope.disabled = !$window.jQuery.support.fileInput;
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$scope.queue = $scope.queue || [];
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$scope.clear = function (files) {
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var queue = this.queue,
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i = queue.length,
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file = files,
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length = 1;
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if (angular.isArray(files)) {
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file = files[0];
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length = files.length;
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}
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while (i) {
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i -= 1;
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if (queue[i] === file) {
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return queue.splice(i, length);
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}
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}
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};
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$scope.replace = function (oldFiles, newFiles) {
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var queue = this.queue,
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file = oldFiles[0],
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i,
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j;
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for (i = 0; i < queue.length; i += 1) {
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if (queue[i] === file) {
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for (j = 0; j < newFiles.length; j += 1) {
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queue[i + j] = newFiles[j];
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}
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return;
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}
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}
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};
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$scope.applyOnQueue = function (method) {
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var list = this.queue.slice(0),
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i,
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file,
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promises = [];
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for (i = 0; i < list.length; i += 1) {
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file = list[i];
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if (file[method]) {
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promises.push(file[method]());
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}
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}
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return $q.all(promises);
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};
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$scope.submit = function () {
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return this.applyOnQueue('$submit');
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};
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$scope.cancel = function () {
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return this.applyOnQueue('$cancel');
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};
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// Add upload methods to the scope:
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angular.extend($scope, uploadMethods);
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// The fileupload widget will initialize with
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// the options provided via "data-"-parameters,
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// as well as those given via options object:
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$element.fileupload(angular.extend(
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{scope: $scope},
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fileUpload.defaults
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)).on('fileuploadadd', function (e, data) {
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data.scope = $scope;
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}).on('fileuploadfail', function (e, data) {
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if (data.errorThrown === 'abort') {
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return;
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}
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if (data.dataType &&
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data.dataType.indexOf('json') === data.dataType.length - 4) {
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try {
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data.result = angular.fromJson(data.jqXHR.responseText);
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} catch (ignore) {}
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}
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}).on([
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'fileuploadadd',
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'fileuploadsubmit',
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'fileuploadsend',
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'fileuploaddone',
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'fileuploadfail',
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'fileuploadalways',
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'fileuploadprogress',
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'fileuploadprogressall',
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'fileuploadstart',
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'fileuploadstop',
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'fileuploadchange',
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'fileuploadpaste',
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'fileuploaddrop',
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'fileuploaddragover',
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'fileuploadchunkbeforesend',
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'fileuploadchunksend',
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'fileuploadchunkdone',
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'fileuploadchunkfail',
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'fileuploadchunkalways',
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'fileuploadprocessstart',
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'fileuploadprocess',
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'fileuploadprocessdone',
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'fileuploadprocessfail',
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'fileuploadprocessalways',
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'fileuploadprocessstop'
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].join(' '), function (e, data) {
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$scope.$parent.$applyAsync(function () {
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if ($scope.$emit(e.type, data).defaultPrevented) {
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e.preventDefault();
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}
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});
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}).on('remove', function () {
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// Remove upload methods from the scope,
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// when the widget is removed:
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var method;
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for (method in uploadMethods) {
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if (uploadMethods.hasOwnProperty(method)) {
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delete $scope[method];
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}
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}
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});
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// Observe option changes:
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$scope.$watch(
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$attrs.fileUpload,
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function (newOptions) {
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if (newOptions) {
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$element.fileupload('option', newOptions);
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}
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}
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);
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}
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])
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// Provide File Upload progress feedback:
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.controller('FileUploadProgressController', [
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'$scope', '$attrs', '$parse',
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function ($scope, $attrs, $parse) {
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var fn = $parse($attrs.fileUploadProgress),
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update = function () {
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var progress = fn($scope);
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if (!progress || !progress.total) {
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return;
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}
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$scope.num = Math.floor(
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progress.loaded / progress.total * 100
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);
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};
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update();
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$scope.$watch(
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$attrs.fileUploadProgress + '.loaded',
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function (newValue, oldValue) {
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if (newValue !== oldValue) {
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update();
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}
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}
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);
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}
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])
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// Display File Upload previews:
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.controller('FileUploadPreviewController', [
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'$scope', '$element', '$attrs',
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function ($scope, $element, $attrs) {
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$scope.$watch(
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$attrs.fileUploadPreview + '.preview',
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function (preview) {
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$element.empty();
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if (preview) {
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$element.append(preview);
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}
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}
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);
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}
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])
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.directive('fileUpload', function () {
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return {
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controller: 'FileUploadController',
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scope: true
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};
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})
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.directive('fileUploadProgress', function () {
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return {
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controller: 'FileUploadProgressController',
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scope: true
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};
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})
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.directive('fileUploadPreview', function () {
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return {
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controller: 'FileUploadPreviewController'
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};
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})
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// Enhance the HTML5 download attribute to
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// allow drag&drop of files to the desktop:
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.directive('download', function () {
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return function (scope, elm) {
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elm.on('dragstart', function (e) {
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try {
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e.originalEvent.dataTransfer.setData(
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'DownloadURL',
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[
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'application/octet-stream',
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elm.prop('download'),
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elm.prop('href')
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].join(':')
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);
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} catch (ignore) {}
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});
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};
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});
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}));
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