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admin/custom/uikit/js/components/upload.js
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256
admin/custom/uikit/js/components/upload.js
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/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(addon) {
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var component;
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if (window.UIkit) {
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component = addon(UIkit);
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}
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if (typeof define == "function" && define.amd) {
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define("uikit-upload", ["uikit"], function(){
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return component || addon(UIkit);
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});
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}
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})(function(UI){
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"use strict";
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UI.component('uploadSelect', {
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init: function() {
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var $this = this;
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this.on("change", function() {
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xhrupload($this.element[0].files, $this.options);
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var twin = $this.element.clone(true).data('uploadSelect', $this);
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$this.element.replaceWith(twin);
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$this.element = twin;
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});
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}
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});
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UI.component('uploadDrop', {
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defaults: {
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'dragoverClass': 'uk-dragover'
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},
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init: function() {
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var $this = this, hasdragCls = false;
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this.on("drop", function(e){
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if (e.dataTransfer && e.dataTransfer.files) {
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e.stopPropagation();
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e.preventDefault();
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$this.element.removeClass($this.options.dragoverClass);
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$this.element.trigger('dropped.uk.upload', [e.dataTransfer.files]);
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xhrupload(e.dataTransfer.files, $this.options);
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}
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}).on("dragenter", function(e){
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e.stopPropagation();
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e.preventDefault();
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}).on("dragover", function(e){
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e.stopPropagation();
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e.preventDefault();
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if (!hasdragCls) {
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$this.element.addClass($this.options.dragoverClass);
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hasdragCls = true;
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}
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}).on("dragleave", function(e){
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e.stopPropagation();
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e.preventDefault();
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$this.element.removeClass($this.options.dragoverClass);
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hasdragCls = false;
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});
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}
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});
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UI.support.ajaxupload = (function() {
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function supportFileAPI() {
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var fi = document.createElement('INPUT'); fi.type = 'file'; return 'files' in fi;
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}
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function supportAjaxUploadProgressEvents() {
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var xhr = new XMLHttpRequest(); return !! (xhr && ('upload' in xhr) && ('onprogress' in xhr.upload));
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}
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function supportFormData() {
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return !! window.FormData;
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}
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return supportFileAPI() && supportAjaxUploadProgressEvents() && supportFormData();
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})();
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if (UI.support.ajaxupload){
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UI.$.event.props.push("dataTransfer");
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}
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function xhrupload(files, settings) {
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if (!UI.support.ajaxupload){
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return this;
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}
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settings = UI.$.extend({}, xhrupload.defaults, settings);
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if (!files.length){
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return;
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}
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if (settings.allow !== '*.*') {
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for(var i=0,file;file=files[i];i++) {
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if(!matchName(settings.allow, file.name)) {
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if(typeof(settings.notallowed) == 'string') {
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alert(settings.notallowed);
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} else {
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settings.notallowed(file, settings);
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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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var complete = settings.complete;
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if (settings.single){
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var count = files.length,
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uploaded = 0,
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allow = true;
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settings.beforeAll(files);
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settings.complete = function(response, xhr){
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uploaded = uploaded + 1;
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complete(response, xhr);
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if (settings.filelimit && uploaded >= settings.filelimit){
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allow = false;
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}
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if (allow && uploaded<count){
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upload([files[uploaded]], settings);
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} else {
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settings.allcomplete(response, xhr);
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}
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};
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upload([files[0]], settings);
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} else {
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settings.complete = function(response, xhr){
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complete(response, xhr);
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settings.allcomplete(response, xhr);
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};
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upload(files, settings);
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}
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function upload(files, settings){
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// upload all at once
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var formData = new FormData(), xhr = new XMLHttpRequest();
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if (settings.before(settings, files)===false) return;
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for (var i = 0, f; f = files[i]; i++) { formData.append(settings.param, f); }
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for (var p in settings.params) { formData.append(p, settings.params[p]); }
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// Add any event handlers here...
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xhr.upload.addEventListener("progress", function(e){
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var percent = (e.loaded / e.total)*100;
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settings.progress(percent, e);
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}, false);
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xhr.addEventListener("loadstart", function(e){ settings.loadstart(e); }, false);
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xhr.addEventListener("load", function(e){ settings.load(e); }, false);
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xhr.addEventListener("loadend", function(e){ settings.loadend(e); }, false);
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xhr.addEventListener("error", function(e){ settings.error(e); }, false);
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xhr.addEventListener("abort", function(e){ settings.abort(e); }, false);
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xhr.open(settings.method, settings.action, true);
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xhr.onreadystatechange = function() {
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settings.readystatechange(xhr);
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if (xhr.readyState==4){
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var response = xhr.responseText;
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if (settings.type=="json") {
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try {
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response = UI.$.parseJSON(response);
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} catch(e) {
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response = false;
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}
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}
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settings.complete(response, xhr);
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}
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};
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settings.beforeSend(xhr);
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xhr.send(formData);
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}
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}
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xhrupload.defaults = {
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'action': '',
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'single': true,
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'method': 'POST',
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'param' : 'files[]',
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'params': {},
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'allow' : '*.*',
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'type' : 'text',
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'filelimit': false,
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// events
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'before' : function(o){},
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'beforeSend' : function(xhr){},
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'beforeAll' : function(){},
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'loadstart' : function(){},
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'load' : function(){},
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'loadend' : function(){},
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'error' : function(){},
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'abort' : function(){},
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'progress' : function(){},
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'complete' : function(){},
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'allcomplete' : function(){},
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'readystatechange': function(){},
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'notallowed' : function(file, settings){ alert('Only the following file types are allowed: '+settings.allow); }
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};
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function matchName(pattern, path) {
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var parsedPattern = '^' + pattern.replace(/\//g, '\\/').
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replace(/\*\*/g, '(\\/[^\\/]+)*').
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replace(/\*/g, '[^\\/]+').
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replace(/((?!\\))\?/g, '$1.') + '$';
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parsedPattern = '^' + parsedPattern + '$';
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return (path.match(new RegExp(parsedPattern, 'i')) !== null);
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}
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UI.Utils.xhrupload = xhrupload;
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return xhrupload;
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});
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