MDL-33506 Filepicker: Search box text will be selected on focus
[moodle.git] / repository / filepicker.js
1 // YUI3 File Picker module for moodle
2 // Author: Dongsheng Cai <dongsheng@moodle.com>
4 /**
5  *
6  * File Picker UI
7  * =====
8  * this.fpnode, contains reference to filepicker Node, non-empty if and only if rendered
9  * this.api, stores the URL to make ajax request
10  * this.mainui, YUI Panel
11  * this.selectnode, contains reference to select-file Node
12  * this.selectui, YUI Panel for selecting particular file
13  * this.msg_dlg, YUI Panel for error or info message
14  * this.process_dlg, YUI Panel for processing existing filename
15  * this.treeview, YUI Treeview
16  * this.viewmode, store current view mode
17  * this.pathbar, reference to the Node with path bar
18  * this.pathnode, a Node element representing one folder in a path bar (not attached anywhere, just used for template)
19  *
20  * Filepicker options:
21  * =====
22  * this.options.client_id, the instance id
23  * this.options.contextid
24  * this.options.itemid
25  * this.options.repositories, stores all repositories displaied in file picker
26  * this.options.formcallback
27  *
28  * Active repository options
29  * =====
30  * this.active_repo.id
31  * this.active_repo.nosearch
32  * this.active_repo.norefresh
33  * this.active_repo.nologin
34  * this.active_repo.help
35  * this.active_repo.manage
36  *
37  * Server responses
38  * =====
39  * this.filelist, cached filelist
40  * this.pages
41  * this.page
42  * this.filepath, current path
43  * this.logindata, cached login form
44  */
46 YUI.add('moodle-core_filepicker', function(Y) {
47     /** help function to extract width/height style as a number, not as a string */
48     Y.Node.prototype.getStylePx = function(attr) {
49         var style = this.getStyle(attr);
50         if (''+style == '0' || ''+style == '0px') {
51             return 0;
52         }
53         var matches = style.match(/^([\d\.]+)px$/)
54         if (matches && parseFloat(matches[1])) {
55             return parseFloat(matches[1]);
56         }
57         return null;
58     }
60     /** if condition is met, the class is added to the node, otherwise - removed */
61     Y.Node.prototype.addClassIf = function(className, condition) {
62         if (condition) {
63             this.addClass(className);
64         } else {
65             this.removeClass(className);
66         }
67         return this;
68     }
70     /** sets the width(height) of the node considering existing minWidth(minHeight) */
71     Y.Node.prototype.setStyleAdv = function(stylename, value) {
72         var stylenameCap = stylename.substr(0,1).toUpperCase() + stylename.substr(1, stylename.length-1).toLowerCase();
73         this.setStyle(stylename, '' + Math.max(value, this.getStylePx('min'+stylenameCap)) + 'px')
74         return this;
75     }
77     /** set image source to src, if there is preview, remember it in lazyloading.
78      *  If there is a preview and it was already loaded, use it. */
79     Y.Node.prototype.setImgSrc = function(src, realsrc, lazyloading) {
80         if (realsrc) {
81             if (M.core_filepicker.loadedpreviews[realsrc]) {
82                 this.set('src', realsrc).addClass('realpreview');
83                 return this;
84             } else {
85                 if (!this.get('id')) {
86                     this.generateID();
87                 }
88                 lazyloading[this.get('id')] = realsrc;
89             }
90         }
91         this.set('src', src);
92         return this;
93     }
95     /**
96      * Replaces the image source with preview. If the image is inside the treeview, we need
97      * also to update the html property of corresponding YAHOO.widget.HTMLNode
98      * @param array lazyloading array containing associations of imgnodeid->realsrc
99      */
100     Y.Node.prototype.setImgRealSrc = function(lazyloading) {
101         if (this.get('id') && lazyloading[this.get('id')]) {
102             var newsrc = lazyloading[this.get('id')];
103             M.core_filepicker.loadedpreviews[newsrc] = true;
104             this.set('src', newsrc).addClass('realpreview');
105             delete lazyloading[this.get('id')];
106             var treenode = this.ancestor('.fp-treeview')
107             if (treenode && treenode.get('parentNode').treeview) {
108                 treenode.get('parentNode').treeview.getRoot().refreshPreviews(this.get('id'), newsrc);
109             }
110         }
111         return this;
112     }
114     /** scan TreeView to find which node contains image with id=imgid and replace it's html
115      * with the new image source. */
116     YAHOO.widget.Node.prototype.refreshPreviews = function(imgid, newsrc, regex) {
117         if (!regex) {
118             regex = new RegExp("<img\\s[^>]*id=\""+imgid+"\"[^>]*?(/?)>", "im");
119         }
120         if (this.expanded || this.isLeaf) {
121             var html = this.getContentHtml();
122             if (html && this.setHtml && regex.test(html)) {
123                 var newhtml = this.html.replace(regex, "<img id=\""+imgid+"\" src=\""+newsrc+"\" class=\"realpreview\"$1>", html);
124                 this.setHtml(newhtml);
125                 return true;
126             }
127             if (!this.isLeaf && this.children) {
128                 for(var c in this.children) {
129                     if (this.children[c].refreshPreviews(imgid, newsrc, regex)) {
130                         return true;
131                     }
132                 }
133             }
134         }
135         return false;
136     }
138     /**
139      * Displays a list of files (used by filepicker, filemanager) inside the Node
140      *
141      * @param array options
142      *   viewmode : 1 - icons, 2 - tree, 3 - table
143      *   appendonly : whether fileslist need to be appended instead of replacing the existing content
144      *   filenode : Node element that contains template for displaying one file
145      *   callback : On click callback. The element of the fileslist array will be passed as argument
146      *   rightclickcallback : On right click callback (optional).
147      *   callbackcontext : context where callbacks are executed
148      *   sortable : whether content may be sortable (in table mode)
149      *   dynload : allow dynamic load for tree view
150      *   filepath : for pre-building of tree view - the path to the current directory in filepicker format
151      *   treeview_dynload : callback to function to dynamically load the folder in tree view
152      *   classnamecallback : callback to function that returns the class name for an element
153      * @param array fileslist array of files to show, each array element may have attributes:
154      *   title or fullname : file name
155      *   shorttitle (optional) : display file name
156      *   thumbnail : url of image
157      *   icon : url of icon image
158      *   thumbnail_width : width of thumbnail, default 90
159      *   thumbnail_height : height of thumbnail, default 90
160      *   thumbnail_alt : TODO not needed!
161      *   description or thumbnail_title : alt text
162      * @param array lazyloading : reference to the array with lazy loading images
163      */
164     Y.Node.prototype.fp_display_filelist = function(options, fileslist, lazyloading) {
165         var viewmodeclassnames = {1:'fp-iconview', 2:'fp-treeview', 3:'fp-tableview'};
166         var classname = viewmodeclassnames[options.viewmode];
167         var scope = this;
168         /** return whether file is a folder (different attributes in FileManager and FilePicker) */
169         var file_is_folder = function(node) {
170             if (node.children) {return true;}
171             if (node.type && node.type == 'folder') {return true;}
172             return false;
173         };
174         /** return the name of the file (different attributes in FileManager and FilePicker) */
175         var file_get_filename = function(node) {
176             return node.title ? node.title : node.fullname;
177         }
178         /** return display name of the file (different attributes in FileManager and FilePicker) */
179         var file_get_displayname = function(node) {
180             return node.shorttitle ? node.shorttitle : file_get_filename(node);
181         }
182         /** return file description (different attributes in FileManager and FilePicker) */
183         var file_get_description = function(node) {
184             return node.description ? node.description : (node.thumbnail_title ? node.thumbnail_title : file_get_filename(node));
185         }
186         /** help funciton for tree view */
187         var build_tree = function(node, level) {
188             // prepare file name with icon
189             var el = Y.Node.create('<div/>');
190             el.appendChild(options.filenode.cloneNode(true));
192             el.one('.fp-filename').setContent(file_get_displayname(node));
193             // TODO add tooltip with node.title or node.thumbnail_title
194             var tmpnodedata = {className:options.classnamecallback(node)};
195             el.get('children').addClass(tmpnodedata.className);
196             if (node.icon) {
197                 el.one('.fp-icon').appendChild(Y.Node.create('<img/>'));
198                 el.one('.fp-icon img').setImgSrc(node.icon, node.realicon, lazyloading);
199             }
200             // create node
201             tmpnodedata.html = el.getContent();
202             var tmpNode = new YAHOO.widget.HTMLNode(tmpnodedata, level, false);
203             if (node.dynamicLoadComplete) {
204                 tmpNode.dynamicLoadComplete = true;
205             }
206             tmpNode.fileinfo = node;
207             tmpNode.isLeaf = !file_is_folder(node);
208             if (!tmpNode.isLeaf) {
209                 if(node.expanded) {
210                     tmpNode.expand();
211                 }
212                 tmpNode.path = node.path ? node.path : (node.filepath ? node.filepath : '');
213                 for(var c in node.children) {
214                     build_tree(node.children[c], tmpNode);
215                 }
216             }
217         };
218         /** initialize tree view */
219         var initialize_tree_view = function() {
220             var parentid = scope.one('.'+classname).get('id');
221             // TODO MDL-32736 use YUI3 gallery TreeView
222             scope.treeview = new YAHOO.widget.TreeView(parentid);
223             if (options.dynload) {
224                 scope.treeview.setDynamicLoad(Y.bind(options.treeview_dynload, options.callbackcontext), 1);
225             }
226             scope.treeview.singleNodeHighlight = true;
227             if (options.filepath && options.filepath.length) {
228                 // we just jumped from icon/details view, we need to show all parents
229                 // we extract as much information as possible from filepath and filelist
230                 // and send additional requests to retrieve siblings for parent folders
231                 var mytree = {};
232                 var mytreeel = null;
233                 for (var i in options.filepath) {
234                     if (mytreeel == null) {
235                         mytreeel = mytree;
236                     } else {
237                         mytreeel.children = [{}];
238                         mytreeel = mytreeel.children[0];
239                     }
240                     var pathelement = options.filepath[i];
241                     mytreeel.path = pathelement.path;
242                     mytreeel.title = pathelement.name;
243                     mytreeel.icon = pathelement.icon;
244                     mytreeel.dynamicLoadComplete = true; // we will call it manually
245                     mytreeel.expanded = true;
246                 }
247                 mytreeel.children = fileslist;
248                 build_tree(mytree, scope.treeview.getRoot());
249                 // manually call dynload for parent elements in the tree so we can load other siblings
250                 if (options.dynload) {
251                     var root = scope.treeview.getRoot();
252                     while (root && root.children && root.children.length) {
253                         root = root.children[0];
254                         if (root.path == mytreeel.path) {
255                             root.origpath = options.filepath;
256                             root.origlist = fileslist;
257                         } else if (!root.isLeaf && root.expanded) {
258                             Y.bind(options.treeview_dynload, options.callbackcontext)(root, null);
259                         }
260                     }
261                 }
262             } else {
263                 // there is no path information, just display all elements as a list, without hierarchy
264                 for(k in fileslist) {
265                     build_tree(fileslist[k], scope.treeview.getRoot());
266                 }
267             }
268             scope.treeview.subscribe('clickEvent', function(e){
269                 e.node.highlight(false);
270                 var callback = options.callback;
271                 if (options.rightclickcallback && e.event.target &&
272                         Y.Node(e.event.target).ancestor('.fp-treeview .fp-contextmenu', true)) {
273                     callback = options.rightclickcallback;
274                 }
275                 Y.bind(callback, options.callbackcontext)(e, e.node.fileinfo);
276                 YAHOO.util.Event.stopEvent(e.event)
277             });
278             // TODO MDL-32736 support right click
279             /*if (options.rightclickcallback) {
280                 scope.treeview.subscribe('dblClickEvent', function(e){
281                     e.node.highlight(false);
282                     Y.bind(options.rightclickcallback, options.callbackcontext)(e, e.node.fileinfo);
283                 });
284             }*/
285             scope.treeview.draw();
286         };
287         /** formatting function for table view */
288         var formatValue = function (o){
289             if (o.data[''+o.column.key+'_f_s']) {return o.data[''+o.column.key+'_f_s'];}
290             else if (o.data[''+o.column.key+'_f']) {return o.data[''+o.column.key+'_f'];}
291             else if (o.value) {return o.value;}
292             else {return '';}
293         };
294         /** formatting function for table view */
295         var formatTitle = function(o) {
296             var el = Y.Node.create('<div/>');
297             el.appendChild(options.filenode.cloneNode(true)); // TODO not node but string!
298             el.get('children').addClass(o.data['classname']);
299             el.one('.fp-filename').setContent(o.value);
300             if (o.data['icon']) {
301                 el.one('.fp-icon').appendChild(Y.Node.create('<img/>'));
302                 el.one('.fp-icon img').setImgSrc(o.data['icon'], o.data['realicon'], lazyloading);
303             }
304             if (options.rightclickcallback) {
305                 el.get('children').addClass('fp-hascontextmenu');
306             }
307             // TODO add tooltip with o.data['title'] (o.value) or o.data['thumbnail_title']
308             return el.getContent();
309         }
310         /** sorting function for table view */
311         var sortFoldersFirst = function(a, b, desc) {
312             if (a.get('isfolder') && !b.get('isfolder')) {
313                 return -1;
314             }
315             if (!a.get('isfolder') && b.get('isfolder')) {
316                 return 1;
317             }
318             var aa = a.get(this.key), bb = b.get(this.key), dir = desc ? -1 : 1;
319             return (aa > bb) ? dir : ((aa < bb) ? -dir : 0);
320         }
321         /** initialize table view */
322         var initialize_table_view = function() {
323             var parentid = scope.one('.'+classname).get('id');
324             var cols = [
325                 {key: "displayname", label: M.str.moodle.name, allowHTML: true, formatter: formatTitle,
326                     sortable: true, sortFn: sortFoldersFirst},
327                 {key: "datemodified", label: M.str.moodle.lastmodified, allowHTML: true, formatter: formatValue,
328                     sortable: true, sortFn: sortFoldersFirst},
329                 {key: "size", label: M.str.repository.size, allowHTML: true, formatter: formatValue,
330                     sortable: true, sortFn: sortFoldersFirst},
331                 {key: "mimetype", label: M.str.repository.type, allowHTML: true,
332                     sortable: true, sortFn: sortFoldersFirst}
333             ];
334             scope.tableview = new Y.DataTable({columns: cols});
335             scope.tableview.render('#'+parentid);
336             scope.tableview.delegate('click', function (e, tableview) {
337                 var record = tableview.getRecord(e.currentTarget.get('id'));
338                 if (record) {
339                     var callback = options.callback;
340                     if (options.rightclickcallback && e.target.ancestor('.fp-tableview .fp-contextmenu', true)) {
341                         callback = options.rightclickcallback;
342                     }
343                     Y.bind(callback, this)(e, record.getAttrs());
344                 }
345             }, 'tr', options.callbackcontext, scope.tableview);
346             if (options.rightclickcallback) {
347                 scope.tableview.delegate('contextmenu', function (e, tableview) {
348                     var record = tableview.getRecord(e.currentTarget.get('id'));
349                     if (record) { Y.bind(options.rightclickcallback, this)(e, record.getAttrs()); }
350                 }, 'tr', options.callbackcontext, scope.tableview);
351             }
352         }
353         /** append items in table view mode */
354         var append_files_table = function() {
355             for (var k in fileslist) {
356                 // to speed up sorting and formatting
357                 fileslist[k].displayname = file_get_displayname(fileslist[k]);
358                 fileslist[k].isfolder = file_is_folder(fileslist[k]);
359                 fileslist[k].classname = options.classnamecallback(fileslist[k]);
360             }
361             scope.tableview.addRows(fileslist);
362             scope.tableview.sortable = options.sortable ? true : false;
363         };
364         /** append items in tree view mode */
365         var append_files_tree = function() {
366             if (options.appendonly) {
367                 var parentnode = scope.treeview.getRoot();
368                 if (scope.treeview.getHighlightedNode()) {
369                     parentnode = scope.treeview.getHighlightedNode();
370                     if (parentnode.isLeaf) {parentnode = parentnode.parent;}
371                 }
372                 for (var k in fileslist) {
373                     build_tree(fileslist[k], parentnode);
374                 }
375                 scope.treeview.draw();
376             } else {
377                 // otherwise files were already added in initialize_tree_view()
378             }
379         }
380         /** append items in icon view mode */
381         var append_files_icons = function() {
382             parent = scope.one('.'+classname);
383             for (var k in fileslist) {
384                 var node = fileslist[k];
385                 var element = options.filenode.cloneNode(true);
386                 parent.appendChild(element);
387                 element.addClass(options.classnamecallback(node));
388                 var filenamediv = element.one('.fp-filename');
389                 filenamediv.setContent(file_get_displayname(node));
390                 var imgdiv = element.one('.fp-thumbnail'), width, height, src;
391                 if (node.thumbnail) {
392                     width = node.thumbnail_width ? node.thumbnail_width : 90;
393                     height = node.thumbnail_height ? node.thumbnail_height : 90;
394                     src = node.thumbnail;
395                 } else {
396                     width = 16;
397                     height = 16;
398                     src = node.icon;
399                 }
400                 filenamediv.setStyleAdv('width', width);
401                 imgdiv.setStyleAdv('width', width).setStyleAdv('height', height);
402                 var img = Y.Node.create('<img/>').setAttrs({
403                         title: file_get_description(node),
404                         alt: node.thumbnail_alt ? node.thumbnail_alt : file_get_filename(node)}).
405                     setStyle('maxWidth', ''+width+'px').
406                     setStyle('maxHeight', ''+height+'px');
407                 img.setImgSrc(src, node.realthumbnail, lazyloading);
408                 imgdiv.appendChild(img);
409                 element.on('click', function(e, nd) {
410                     if (options.rightclickcallback && e.target.ancestor('.fp-iconview .fp-contextmenu', true)) {
411                         Y.bind(options.rightclickcallback, this)(e, nd);
412                     } else {
413                         Y.bind(options.callback, this)(e, nd);
414                     }
415                 }, options.callbackcontext, node);
416                 if (options.rightclickcallback) {
417                     element.on('contextmenu', options.rightclickcallback, options.callbackcontext, node);
418                 }
419             }
420         }
422         // initialize files view
423         if (!options.appendonly) {
424             var parent = Y.Node.create('<div/>').addClass(classname);
425             this.setContent('').appendChild(parent);
426             parent.generateID();
427             if (options.viewmode == 2) {
428                 initialize_tree_view();
429             } else if (options.viewmode == 3) {
430                 initialize_table_view();
431             } else {
432                 // nothing to initialize for icon view
433             }
434         }
436         // append files to the list
437         if (options.viewmode == 2) {
438             append_files_tree();
439         } else if (options.viewmode == 3) {
440             append_files_table();
441         } else {
442             append_files_icons();
443         }
445     }
447     /**
448      * creates a node and adds it to the div with id #filesskin. This is needed for CSS to be able
449      * to overwrite YUI skin styles (instead of using !important that does not work in IE)
450      */
451     Y.Node.createWithFilesSkin = function(node) {
452         if (!Y.one('#filesskin')) {
453             Y.one(document.body).appendChild(Y.Node.create('<div/>').set('id', 'filesskin'));
454         }
455         return Y.one('#filesskin').appendChild(Y.Node.create(node));
456     }
457 }, '@VERSION@', {
458     requires:['base', 'node', 'yui2-treeview', 'panel', 'cookie', 'datatable', 'datatable-sort']
459 });
461 M.core_filepicker = M.core_filepicker || {};
463 /**
464  * instances of file pickers used on page
465  */
466 M.core_filepicker.instances = M.core_filepicker.instances || {};
467 M.core_filepicker.active_filepicker = null;
469 /**
470  * HTML Templates to use in FilePicker
471  */
472 M.core_filepicker.templates = M.core_filepicker.templates || {};
474 /**
475  * Array of image sources for real previews (realicon or realthumbnail) that are already loaded
476  */
477 M.core_filepicker.loadedpreviews = M.core_filepicker.loadedpreviews || {};
479 /**
480 * Set selected file info
482 * @parma object file info
483 */
484 M.core_filepicker.select_file = function(file) {
485     M.core_filepicker.active_filepicker.select_file(file);
488 /**
489  * Init and show file picker
490  */
491 M.core_filepicker.show = function(Y, options) {
492     if (!M.core_filepicker.instances[options.client_id]) {
493         M.core_filepicker.init(Y, options);
494     }
495     M.core_filepicker.instances[options.client_id].show();
496 };
498 M.core_filepicker.set_templates = function(Y, templates) {
499     for (var templid in templates) {
500         M.core_filepicker.templates[templid] = templates[templid];
501     }
504 /**
505  * Add new file picker to current instances
506  */
507 M.core_filepicker.init = function(Y, options) {
508     var FilePickerHelper = function(options) {
509         FilePickerHelper.superclass.constructor.apply(this, arguments);
510     };
512     FilePickerHelper.NAME = "FilePickerHelper";
513     FilePickerHelper.ATTRS = {
514         options: {},
515         lang: {}
516     };
518     Y.extend(FilePickerHelper, Y.Base, {
519         api: M.cfg.wwwroot+'/repository/repository_ajax.php',
520         cached_responses: {},
522         initializer: function(options) {
523             this.options = options;
524             if (!this.options.savepath) {
525                 this.options.savepath = '/';
526             }
527         },
529         destructor: function() {
530         },
532         request: function(args, redraw) {
533             var api = (args.api ? args.api : this.api) + '?action='+args.action;
534             var params = {};
535             var scope = args['scope'] ? args['scope'] : this;
536             params['repo_id']=args.repository_id;
537             params['p'] = args.path?args.path:'';
538             params['page'] = args.page?args.page:'';
539             params['env']=this.options.env;
540             // the form element only accept certain file types
541             params['accepted_types']=this.options.accepted_types;
542             params['sesskey'] = M.cfg.sesskey;
543             params['client_id'] = args.client_id;
544             params['itemid'] = this.options.itemid?this.options.itemid:0;
545             params['maxbytes'] = this.options.maxbytes?this.options.maxbytes:-1;
546             if (this.options.context && this.options.context.id) {
547                 params['ctx_id'] = this.options.context.id;
548             }
549             if (args['params']) {
550                 for (i in args['params']) {
551                     params[i] = args['params'][i];
552                 }
553             }
554             if (args.action == 'upload') {
555                 var list = [];
556                 for(var k in params) {
557                     var value = params[k];
558                     if(value instanceof Array) {
559                         for(var i in value) {
560                             list.push(k+'[]='+value[i]);
561                         }
562                     } else {
563                         list.push(k+'='+value);
564                     }
565                 }
566                 params = list.join('&');
567             } else {
568                 params = build_querystring(params);
569             }
570             var cfg = {
571                 method: 'POST',
572                 on: {
573                     complete: function(id,o,p) {
574                         if (!o) {
575                             // TODO
576                             alert('IO FATAL');
577                             return;
578                         }
579                         var data = null;
580                         try {
581                             data = Y.JSON.parse(o.responseText);
582                         } catch(e) {
583                             scope.print_msg(M.str.repository.invalidjson, 'error');
584                             scope.display_error(M.str.repository.invalidjson+'<pre>'+stripHTML(o.responseText)+'</pre>', 'invalidjson')
585                             return;
586                         }
587                         // error checking
588                         if (data && data.error) {
589                             scope.print_msg(data.error, 'error');
590                             if (args.onerror) {
591                                 args.onerror(id,data,p);
592                             } else {
593                                 this.fpnode.one('.fp-content').setContent('');
594                             }
595                             return;
596                         } else {
597                             if (data.msg) {
598                                 scope.print_msg(data.msg, 'info');
599                             }
600                             // cache result if applicable
601                             if (args.action != 'upload' && data.allowcaching) {
602                                 scope.cached_responses[params] = data;
603                             }
604                             // invoke callback
605                             args.callback(id,data,p);
606                         }
607                     }
608                 },
609                 arguments: {
610                     scope: scope
611                 },
612                 headers: {
613                     'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
614                 },
615                 data: params,
616                 context: this
617             };
618             if (args.form) {
619                 cfg.form = args.form;
620             }
621             // check if result of the same request has been already cached. If not, request it
622             // (never applicable in case of form submission and/or upload action):
623             if (!args.form && args.action != 'upload' && scope.cached_responses[params]) {
624                 args.callback(null, scope.cached_responses[params], {scope: scope})
625             } else {
626                 Y.io(api, cfg);
627                 if (redraw) {
628                     this.wait();
629                 }
630             }
631         },
632         /** displays the dialog and processes rename/overwrite if there is a file with the same name in the same filearea*/
633         process_existing_file: function(data) {
634             var scope = this;
635             var handleOverwrite = function(e) {
636                 // overwrite
637                 e.preventDefault();
638                 var data = this.process_dlg.dialogdata;
639                 var params = {}
640                 params['existingfilename'] = data.existingfile.filename;
641                 params['existingfilepath'] = data.existingfile.filepath;
642                 params['newfilename'] = data.newfile.filename;
643                 params['newfilepath'] = data.newfile.filepath;
644                 this.hide_header();
645                 this.request({
646                     'params': params,
647                     'scope': this,
648                     'action':'overwrite',
649                     'path': '',
650                     'client_id': this.options.client_id,
651                     'repository_id': this.active_repo.id,
652                     'callback': function(id, o, args) {
653                         scope.hide();
654                         // editor needs to update url
655                         // filemanager do nothing
656                         if (scope.options.editor_target && scope.options.env == 'editor') {
657                             scope.options.editor_target.value = data.existingfile.url;
658                             scope.options.editor_target.onchange();
659                         } else if (scope.options.env === 'filepicker') {
660                             var fileinfo = {'client_id':scope.options.client_id,
661                                     'url':data.existingfile.url,
662                                     'file':data.existingfile.filename};
663                             var formcallback_scope = scope.options.magicscope ? scope.options.magicscope : scope;
664                             scope.options.formcallback.apply(formcallback_scope, [fileinfo]);
665                         }
666                     }
667                 }, true);
668             }
669             var handleRename = function(e) {
670                 // inserts file with the new name
671                 e.preventDefault();
672                 var scope = this;
673                 var data = this.process_dlg.dialogdata;
674                 if (scope.options.editor_target && scope.options.env == 'editor') {
675                     scope.options.editor_target.value = data.newfile.url;
676                     scope.options.editor_target.onchange();
677                 }
678                 scope.hide();
679                 var formcallback_scope = scope.options.magicscope ? scope.options.magicscope : scope;
680                 var fileinfo = {'client_id':scope.options.client_id,
681                                 'url':data.newfile.url,
682                                 'file':data.newfile.filename};
683                 scope.options.formcallback.apply(formcallback_scope, [fileinfo]);
684             }
685             var handleCancel = function(e) {
686                 // Delete tmp file
687                 e.preventDefault();
688                 var params = {};
689                 params['newfilename'] = this.process_dlg.dialogdata.newfile.filename;
690                 params['newfilepath'] = this.process_dlg.dialogdata.newfile.filepath;
691                 this.request({
692                     'params': params,
693                     'scope': this,
694                     'action':'deletetmpfile',
695                     'path': '',
696                     'client_id': this.options.client_id,
697                     'repository_id': this.active_repo.id,
698                     'callback': function(id, o, args) {
699                         // let it be in background, from user point of view nothing is happenning
700                     }
701                 }, false);
702                 this.process_dlg.hide();
703                 this.selectui.hide();
704             }
705             if (!this.process_dlg) {
706                 this.process_dlg_node = Y.Node.createWithFilesSkin(M.core_filepicker.templates.processexistingfile);
707                 var node = this.process_dlg_node;
708                 node.generateID();
709                 this.process_dlg = new Y.Panel({
710                     srcNode      : node,
711                     headerContent: M.str.repository.fileexistsdialogheader,
712                     zIndex       : 800000,
713                     centered     : true,
714                     modal        : true,
715                     visible      : false,
716                     render       : true,
717                     buttons      : {}
718                 });
719                 this.process_dlg.plug(Y.Plugin.Drag,{handles:['#'+node.get('id')+' .yui3-widget-hd']});
720                 node.one('.fp-dlg-butoverwrite').on('click', handleOverwrite, this);
721                 node.one('.fp-dlg-butrename').on('click', handleRename, this);
722                 node.one('.fp-dlg-butcancel').on('click', handleCancel, this);
723                 if (this.options.env == 'editor') {
724                     node.one('.fp-dlg-text').setContent(M.str.repository.fileexistsdialog_editor);
725                 } else {
726                     node.one('.fp-dlg-text').setContent(M.str.repository.fileexistsdialog_filemanager);
727                 }
728             }
729             this.selectnode.removeClass('loading');
730             this.process_dlg.dialogdata = data;
731             this.process_dlg_node.one('.fp-dlg-butrename').setContent(M.util.get_string('renameto', 'repository', data.newfile.filename));
732             this.process_dlg.show();
733         },
734         /** displays error instead of filepicker contents */
735         display_error: function(errortext, errorcode) {
736             this.fpnode.one('.fp-content').setContent(M.core_filepicker.templates.error);
737             this.fpnode.one('.fp-content .fp-error').
738                 addClass(errorcode).
739                 setContent(errortext);
740         },
741         /** displays message in a popup */
742         print_msg: function(msg, type) {
743             var header = M.str.moodle.error;
744             if (type != 'error') {
745                 type = 'info'; // one of only two types excepted
746                 header = M.str.moodle.info;
747             }
748             if (!this.msg_dlg) {
749                 this.msg_dlg_node = Y.Node.createWithFilesSkin(M.core_filepicker.templates.message);
750                 this.msg_dlg_node.generateID();
752                 this.msg_dlg = new Y.Panel({
753                     srcNode      : this.msg_dlg_node,
754                     zIndex       : 800000,
755                     centered     : true,
756                     modal        : true,
757                     visible      : false,
758                     render       : true
759                 });
760                 this.msg_dlg.plug(Y.Plugin.Drag,{handles:['#'+this.msg_dlg_node.get('id')+' .yui3-widget-hd']});
761                 this.msg_dlg_node.one('.fp-msg-butok').on('click', function(e) {
762                     e.preventDefault();
763                     this.msg_dlg.hide();
764                 }, this);
765             }
767             this.msg_dlg.set('headerContent', header);
768             this.msg_dlg_node.removeClass('fp-msg-info').removeClass('fp-msg-error').addClass('fp-msg-'+type)
769             this.msg_dlg_node.one('.fp-msg-text').setContent(msg);
770             this.msg_dlg.show();
771         },
772         view_files: function(appenditems) {
773             this.viewbar_set_enabled(true);
774             this.print_path();
775             /*if ((appenditems == null) && (!this.filelist || !this.filelist.length) && !this.active_repo.hasmorepages) {
776              // TODO do it via classes and adjust for each view mode!
777                 // If there are no items and no next page, just display status message and quit
778                 this.display_error(M.str.repository.nofilesavailable, 'nofilesavailable');
779                 return;
780             }*/
781             if (this.viewmode == 2) {
782                 this.view_as_list(appenditems);
783             } else if (this.viewmode == 3) {
784                 this.view_as_table(appenditems);
785             } else {
786                 this.view_as_icons(appenditems);
787             }
788             // display/hide the link for requesting next page
789             if (!appenditems && this.active_repo.hasmorepages) {
790                 if (!this.fpnode.one('.fp-content .fp-nextpage')) {
791                     this.fpnode.one('.fp-content').append(M.core_filepicker.templates.nextpage);
792                 }
793                 this.fpnode.one('.fp-content .fp-nextpage').one('a,button').on('click', function(e) {
794                     e.preventDefault();
795                     this.fpnode.one('.fp-content .fp-nextpage').addClass('loading');
796                     this.request_next_page();
797                 }, this);
798             }
799             if (!this.active_repo.hasmorepages && this.fpnode.one('.fp-content .fp-nextpage')) {
800                 this.fpnode.one('.fp-content .fp-nextpage').remove();
801             }
802             if (this.fpnode.one('.fp-content .fp-nextpage')) {
803                 this.fpnode.one('.fp-content .fp-nextpage').removeClass('loading');
804             }
805             this.content_scrolled();
806         },
807         content_scrolled: function(e) {
808             setTimeout(Y.bind(function() {
809                 if (this.processingimages) {
810                     return;
811                 }
812                 this.processingimages = true;
813                 var scope = this,
814                     fpcontent = this.fpnode.one('.fp-content'),
815                     fpcontenty = fpcontent.getY(),
816                     fpcontentheight = fpcontent.getStylePx('height'),
817                     nextpage = fpcontent.one('.fp-nextpage'),
818                     is_node_visible = function(node) {
819                         var offset = node.getY()-fpcontenty;
820                         if (offset <= fpcontentheight && (offset >=0 || offset+node.getStylePx('height')>=0)) {
821                             return true;
822                         }
823                         return false;
824                     };
825                 // automatically load next page when 'more' link becomes visible
826                 if (nextpage && !nextpage.hasClass('loading') && is_node_visible(nextpage)) {
827                     nextpage.one('a,button').simulate('click');
828                 }
829                 // replace src for visible images that need to be lazy-loaded
830                 if (scope.lazyloading) {
831                     fpcontent.all('img').each( function(node) {
832                         if (node.get('id') && scope.lazyloading[node.get('id')] && is_node_visible(node)) {
833                             node.setImgRealSrc(scope.lazyloading);
834                         }
835                     });
836                 }
837                 this.processingimages = false;
838             }, this), 200)
839         },
840         treeview_dynload: function(node, cb) {
841             var retrieved_children = {};
842             if (node.children) {
843                 for (var i in node.children) {
844                     retrieved_children[node.children[i].path] = node.children[i];
845                 }
846             }
847             this.request({
848                 action:'list',
849                 client_id: this.options.client_id,
850                 repository_id: this.active_repo.id,
851                 path:node.path?node.path:'',
852                 page:node.page?args.page:'',
853                 scope:this,
854                 callback: function(id, obj, args) {
855                     var list = obj.list;
856                     var scope = args.scope;
857                     // check that user did not leave the view mode before recieving this response
858                     if (!(scope.active_repo.id == obj.repo_id && scope.viewmode == 2 && node && node.getChildrenEl())) {
859                         return;
860                     }
861                     if (cb != null) { // (in manual mode do not update current path)
862                         scope.viewbar_set_enabled(true);
863                         scope.parse_repository_options(obj);
864                     }
865                     node.highlight(false);
866                     node.origlist = obj.list ? obj.list : null;
867                     node.origpath = obj.path ? obj.path : null;
868                     node.children = [];
869                     for(k in list) {
870                         if (list[k].children && retrieved_children[list[k].path]) {
871                             // if this child is a folder and has already been retrieved
872                             node.children[node.children.length] = retrieved_children[list[k].path];
873                         } else {
874                             // append new file to the list
875                             scope.view_as_list([list[k]]);
876                         }
877                     }
878                     if (cb == null) {
879                         node.refresh();
880                     } else {
881                         // invoke callback requested by TreeView component
882                         cb();
883                     }
884                     scope.content_scrolled();
885                 }
886             }, false);
887         },
888         /** displays list of files in tree (list) view mode. If param appenditems is specified,
889          * appends those items to the end of the list. Otherwise (default behaviour)
890          * clears the contents and displays the items from this.filelist */
891         view_as_list: function(appenditems) {
892             var list = (appenditems != null) ? appenditems : this.filelist;
893             this.viewmode = 2;
894             if (!this.filelist || this.filelist.length==0 && (!this.filepath || !this.filepath.length)) {
895                 this.display_error(M.str.repository.nofilesavailable, 'nofilesavailable');
896                 return;
897             }
899             var element_template = Y.Node.create(M.core_filepicker.templates.listfilename);
900             var options = {
901                 viewmode : this.viewmode,
902                 appendonly : (appenditems != null),
903                 filenode : element_template,
904                 callbackcontext : this,
905                 callback : function(e, node) {
906                     // TODO MDL-32736 e is not an event here but an object with properties 'event' and 'node'
907                     if (!node.children) {
908                         if (e.node.parent && e.node.parent.origpath) {
909                             // set the current path
910                             this.filepath = e.node.parent.origpath;
911                             this.filelist = e.node.parent.origlist;
912                             this.print_path();
913                         }
914                         this.select_file(node);
915                     } else {
916                         // save current path and filelist (in case we want to jump to other viewmode)
917                         this.filepath = e.node.origpath;
918                         this.filelist = e.node.origlist;
919                         this.print_path();
920                         this.content_scrolled();
921                     }
922                 },
923                 classnamecallback : function(node) {
924                     return node.children ? 'fp-folder' : '';
925                 },
926                 dynload : this.active_repo.dynload,
927                 filepath : this.filepath,
928                 treeview_dynload : this.treeview_dynload
929             };
930             this.fpnode.one('.fp-content').fp_display_filelist(options, list, this.lazyloading);
931         },
932         /** displays list of files in icon view mode. If param appenditems is specified,
933          * appends those items to the end of the list. Otherwise (default behaviour)
934          * clears the contents and displays the items from this.filelist */
935         view_as_icons: function(appenditems) {
936             this.viewmode = 1;
937             var list = (appenditems != null) ? appenditems : this.filelist;
938             var element_template = Y.Node.create(M.core_filepicker.templates.iconfilename);
939             if ((appenditems == null) && (!this.filelist || !this.filelist.length)) {
940                 this.display_error(M.str.repository.nofilesavailable, 'nofilesavailable');
941                 return;
942             }
943             var options = {
944                 viewmode : this.viewmode,
945                 appendonly : (appenditems != null),
946                 filenode : element_template,
947                 callbackcontext : this,
948                 callback : function(e, node) {
949                     if (e.preventDefault) {
950                         e.preventDefault();
951                     }
952                     if(node.children) {
953                         if (this.active_repo.dynload) {
954                             this.list({'path':node.path});
955                         } else {
956                             this.filepath = node.path;
957                             this.filelist = node.children;
958                             this.view_files();
959                         }
960                     } else {
961                         this.select_file(node);
962                     }
963                 },
964                 classnamecallback : function(node) {
965                     return node.children ? 'fp-folder' : '';
966                 }
967             };
968             this.fpnode.one('.fp-content').fp_display_filelist(options, list, this.lazyloading);
969         },
970         /** displays list of files in table view mode. If param appenditems is specified,
971          * appends those items to the end of the list. Otherwise (default behaviour)
972          * clears the contents and displays the items from this.filelist */
973         view_as_table: function(appenditems) {
974             this.viewmode = 3;
975             var list = (appenditems != null) ? appenditems : this.filelist;
976             if (!appenditems && (!this.filelist || this.filelist.length==0) && !this.active_repo.hasmorepages) {
977                 this.display_error(M.str.repository.nofilesavailable, 'nofilesavailable');
978                 return;
979             }
980             var element_template = Y.Node.create(M.core_filepicker.templates.listfilename);
981             var options = {
982                 viewmode : this.viewmode,
983                 appendonly : (appenditems != null),
984                 filenode : element_template,
985                 callbackcontext : this,
986                 sortable : !this.active_repo.hasmorepages,
987                 callback : function(e, node) {
988                     if (e.preventDefault) {e.preventDefault();}
989                     if (node.children) {
990                         if (this.active_repo.dynload) {
991                             this.list({'path':node.path});
992                         } else {
993                             this.filepath = node.path;
994                             this.filelist = node.children;
995                             this.view_files();
996                         }
997                     } else {
998                         this.select_file(node);
999                     }
1000                 },
1001                 classnamecallback : function(node) {
1002                     return node.children ? 'fp-folder' : '';
1003                 }
1004             };
1005             this.fpnode.one('.fp-content').fp_display_filelist(options, list, this.lazyloading);
1006         },
1007         /** If more than one page available, requests and displays the files from the next page */
1008         request_next_page: function() {
1009             if (!this.active_repo.hasmorepages || this.active_repo.nextpagerequested) {
1010                 // nothing to load
1011                 return;
1012             }
1013             this.active_repo.nextpagerequested = true;
1014             var nextpage = this.active_repo.page+1;
1015             var args = {page:nextpage, repo_id:this.active_repo.id, path:this.active_repo.path};
1016             var action = this.active_repo.issearchresult ? 'search' : 'list';
1017             this.request({
1018                 scope: this,
1019                 action: action,
1020                 client_id: this.options.client_id,
1021                 repository_id: args.repo_id,
1022                 params: args,
1023                 callback: function(id, obj, args) {
1024                     var scope = args.scope;
1025                     // check that we are still in the same repository and are expecting this page
1026                     if (scope.active_repo.hasmorepages && obj.list && obj.page &&
1027                             obj.repo_id == scope.active_repo.id &&
1028                             obj.page == scope.active_repo.page+1 && obj.path == scope.path) {
1029                         scope.parse_repository_options(obj, true);
1030                         scope.view_files(obj.list)
1031                     }
1032                 }
1033             }, false);
1034         },
1035         select_file: function(args) {
1036             this.selectui.show();
1037             var client_id = this.options.client_id;
1038             var selectnode = this.selectnode;
1039             var return_types = this.options.repositories[this.active_repo.id].return_types;
1040             selectnode.removeClass('loading');
1041             selectnode.one('.fp-saveas input').set('value', args.title);
1043             var imgnode = Y.Node.create('<img/>').
1044                 set('src', args.realthumbnail ? args.realthumbnail : args.thumbnail).
1045                 setStyle('maxHeight', ''+(args.thumbnail_height ? args.thumbnail_height : 90)+'px').
1046                 setStyle('maxWidth', ''+(args.thumbnail_width ? args.thumbnail_width : 90)+'px');
1047             selectnode.one('.fp-thumbnail').setContent('').appendChild(imgnode);
1049             // filelink is the array of file-link-types available for this repository in this env
1050             var filelinktypes = [2/*FILE_INTERNAL*/,1/*FILE_EXTERNAL*/,4/*FILE_REFERENCE*/];
1051             var filelink = {}, firstfilelink = null, filelinkcount = 0;
1052             for (var i in filelinktypes) {
1053                 var allowed = (return_types & filelinktypes[i]) &&
1054                     (this.options.return_types & filelinktypes[i]);
1055                 if (filelinktypes[i] == 1/*FILE_EXTERNAL*/ && !this.options.externallink && this.options.env == 'editor') {
1056                     // special configuration setting 'repositoryallowexternallinks' may prevent
1057                     // using external links in editor environment
1058                     allowed = false;
1059                 }
1060                 filelink[filelinktypes[i]] = allowed;
1061                 firstfilelink = (firstfilelink==null && allowed) ? filelinktypes[i] : firstfilelink;
1062                 filelinkcount += allowed ? 1 : 0;
1063             }
1064             // make radio buttons enabled if this file-link-type is available and only if there are more than one file-link-type option
1065             // check the first available file-link-type option
1066             for (var linktype in filelink) {
1067                 var el = selectnode.one('.fp-linktype-'+linktype);
1068                 el.addClassIf('uneditable', !(filelink[linktype] && filelinkcount>1));
1069                 el.one('input').set('disabled', (filelink[linktype] && filelinkcount>1) ? '' : 'disabled').
1070                     set('checked', (firstfilelink == linktype) ? 'checked' : '').simulate('change')
1071             }
1073             // TODO MDL-32532: attributes 'hasauthor' and 'haslicense' need to be obsolete,
1074             selectnode.one('.fp-setauthor input').set('value', args.author ? args.author : this.options.author);
1075             this.set_selected_license(selectnode.one('.fp-setlicense'), args.license);
1076             selectnode.one('form #filesource-'+client_id).set('value', args.source);
1078             // display static information about a file (when known)
1079             var attrs = ['datemodified','datecreated','size','license','author','dimensions'];
1080             for (var i in attrs) {
1081                 if (selectnode.one('.fp-'+attrs[i])) {
1082                     var value = (args[attrs[i]+'_f']) ? args[attrs[i]+'_f'] : (args[attrs[i]] ? args[attrs[i]] : '');
1083                     selectnode.one('.fp-'+attrs[i]).addClassIf('fp-unknown', ''+value == '')
1084                         .one('.fp-value').setContent(value);
1085                 }
1086             }
1087         },
1088         setup_select_file: function() {
1089             var client_id = this.options.client_id;
1090             var selectnode = this.selectnode;
1091             var getfile = selectnode.one('.fp-select-confirm');
1092             // bind labels with corresponding inputs
1093             selectnode.all('.fp-saveas,.fp-linktype-2,.fp-linktype-1,.fp-linktype-4,.fp-setauthor,.fp-setlicense').each(function (node) {
1094                 node.all('label').set('for', node.one('input,select').generateID());
1095             });
1096             selectnode.one('.fp-linktype-2 input').setAttrs({value: 2, name: 'linktype'});
1097             selectnode.one('.fp-linktype-1 input').setAttrs({value: 1, name: 'linktype'});
1098             selectnode.one('.fp-linktype-4 input').setAttrs({value: 4, name: 'linktype'});
1099             var changelinktype = function(e) {
1100                 if (e.currentTarget.get('checked')) {
1101                     var allowinputs = e.currentTarget.get('value') != 1/*FILE_EXTERNAL*/;
1102                     selectnode.all('.fp-setauthor,.fp-setlicense,.fp-saveas').each(function(node){
1103                         node.addClassIf('uneditable', !allowinputs);
1104                         node.all('input,select').set('disabled', allowinputs?'':'disabled');
1105                     });
1106                 }
1107             };
1108             selectnode.all('.fp-linktype-2,.fp-linktype-1,.fp-linktype-4').each(function (node) {
1109                 node.one('input').on('change', changelinktype, this);
1110             });
1111             this.populate_licenses_select(selectnode.one('.fp-setlicense select'));
1112             // register event on clicking submit button
1113             getfile.on('click', function(e) {
1114                 e.preventDefault();
1115                 var client_id = this.options.client_id;
1116                 var scope = this;
1117                 var repository_id = this.active_repo.id;
1118                 var title = selectnode.one('.fp-saveas input').get('value');
1119                 var filesource = selectnode.one('form #filesource-'+client_id).get('value');
1120                 var params = {'title':title, 'source':filesource, 'savepath': this.options.savepath};
1121                 var license = selectnode.one('.fp-setlicense select');
1122                 if (license) {
1123                     params['license'] = license.get('value');
1124                     var origlicense = selectnode.one('.fp-license .fp-value');
1125                     if (origlicense) {
1126                         origlicense = origlicense.getContent();
1127                     }
1128                     var newlicenseval = license.get('value');
1129                     if (newlicenseval && this.options.licenses[newlicenseval] != origlicense) {
1130                         Y.Cookie.set('recentlicense', newlicenseval);
1131                     }
1132                 }
1133                 params['author'] = selectnode.one('.fp-setauthor input').get('value');
1135                 var return_types = this.options.repositories[this.active_repo.id].return_types;
1136                 if (this.options.env == 'editor') {
1137                     // in editor, images are stored in '/' only
1138                     params.savepath = '/';
1139                 }
1140                 if ((this.options.externallink || this.options.env != 'editor') &&
1141                             (return_types & 1/*FILE_EXTERNAL*/) &&
1142                             (this.options.return_types & 1/*FILE_EXTERNAL*/) &&
1143                             selectnode.one('.fp-linktype-1 input').get('checked')) {
1144                     params['linkexternal'] = 'yes';
1145                 } else if ((return_types & 4/*FILE_REFERENCE*/) &&
1146                         (this.options.return_types & 4/*FILE_REFERENCE*/) &&
1147                         selectnode.one('.fp-linktype-4 input').get('checked')) {
1148                     params['usefilereference'] = '1';
1149                 }
1151                 selectnode.addClass('loading');
1152                 this.request({
1153                     action:'download',
1154                     client_id: client_id,
1155                     repository_id: repository_id,
1156                     'params': params,
1157                     onerror: function(id, obj, args) {
1158                         selectnode.removeClass('loading');
1159                         scope.selectui.hide();
1160                     },
1161                     callback: function(id, obj, args) {
1162                         selectnode.removeClass('loading');
1163                         if (obj.event == 'fileexists') {
1164                             scope.process_existing_file(obj);
1165                             return;
1166                         }
1167                         if (scope.options.editor_target && scope.options.env=='editor') {
1168                             scope.options.editor_target.value=obj.url;
1169                             scope.options.editor_target.onchange();
1170                         }
1171                         scope.hide();
1172                         obj.client_id = client_id;
1173                         var formcallback_scope = args.scope.options.magicscope ? args.scope.options.magicscope : args.scope;
1174                         scope.options.formcallback.apply(formcallback_scope, [obj]);
1175                     }
1176                 }, false);
1177             }, this);
1178             var elform = selectnode.one('form');
1179             elform.appendChild(Y.Node.create('<input/>').
1180                 setAttrs({type:'hidden',id:'filesource-'+client_id}));
1181             elform.on('keydown', function(e) {
1182                 if (e.keyCode == 13) {
1183                     getfile.simulate('click');
1184                     e.preventDefault();
1185                 }
1186             }, this);
1187             var cancel = selectnode.one('.fp-select-cancel');
1188             cancel.on('click', function(e) {
1189                 e.preventDefault();
1190                 this.selectui.hide();
1191             }, this);
1192         },
1193         wait: function() {
1194             this.fpnode.one('.fp-content').setContent(M.core_filepicker.templates.loading);
1195         },
1196         viewbar_set_enabled: function(mode) {
1197             var viewbar = this.fpnode.one('.fp-viewbar')
1198             if (viewbar) {
1199                 if (mode) {
1200                     viewbar.addClass('enabled').removeClass('disabled')
1201                 } else {
1202                     viewbar.removeClass('enabled').addClass('disabled')
1203                 }
1204             }
1205             this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').removeClass('checked')
1206             var modes = {1:'icons', 2:'tree', 3:'details'};
1207             this.fpnode.all('.fp-vb-'+modes[this.viewmode]).addClass('checked');
1208         },
1209         viewbar_clicked: function(e) {
1210             e.preventDefault();
1211             var viewbar = this.fpnode.one('.fp-viewbar')
1212             if (!viewbar || !viewbar.hasClass('disabled')) {
1213                 if (e.currentTarget.hasClass('fp-vb-tree')) {
1214                     this.viewmode = 2;
1215                 } else if (e.currentTarget.hasClass('fp-vb-details')) {
1216                     this.viewmode = 3;
1217                 } else {
1218                     this.viewmode = 1;
1219                 }
1220                 this.viewbar_set_enabled(true)
1221                 this.view_files();
1222                 Y.Cookie.set('recentviewmode', this.viewmode);
1223             }
1224         },
1225         render: function() {
1226             var client_id = this.options.client_id;
1227             this.fpnode = Y.Node.createWithFilesSkin(M.core_filepicker.templates.generallayout).
1228                 set('id', 'filepicker-'+client_id);
1229             this.mainui = new Y.Panel({
1230                 srcNode      : this.fpnode,
1231                 headerContent: M.str.repository.filepicker,
1232                 zIndex       : 500000,
1233                 centered     : true,
1234                 modal        : true,
1235                 visible      : false,
1236                 minWidth     : this.fpnode.getStylePx('minWidth'),
1237                 minHeight    : this.fpnode.getStylePx('minHeight'),
1238                 maxWidth     : this.fpnode.getStylePx('maxWidth'),
1239                 maxHeight    : this.fpnode.getStylePx('maxHeight'),
1240                 render       : true
1241             });
1242             // allow to move the panel dragging it by it's header:
1243             this.mainui.plug(Y.Plugin.Drag,{handles:['#filepicker-'+client_id+' .yui3-widget-hd']});
1244             this.mainui.show();
1245             if (this.mainui.get('y') < 0) {
1246                 this.mainui.set('y', 0);
1247             }
1248             // create panel for selecting a file (initially hidden)
1249             this.selectnode = Y.Node.createWithFilesSkin(M.core_filepicker.templates.selectlayout).
1250                 set('id', 'filepicker-select-'+client_id);
1251             this.selectui = new Y.Panel({
1252                 srcNode      : this.selectnode,
1253                 zIndex       : 600000,
1254                 centered     : true,
1255                 modal        : true,
1256                 close        : true,
1257                 render       : true
1258             });
1259             // allow to move the panel dragging it by it's header:
1260             this.selectui.plug(Y.Plugin.Drag,{handles:['#filepicker-select-'+client_id+' .yui3-widget-hd']});
1261             this.selectui.hide();
1262             // event handler for lazy loading of thumbnails and next page
1263             this.fpnode.one('.fp-content').on(['scroll','resize'], this.content_scrolled, this);
1264             // save template for one path element and location of path bar
1265             if (this.fpnode.one('.fp-path-folder')) {
1266                 this.pathnode = this.fpnode.one('.fp-path-folder');
1267                 this.pathbar = this.pathnode.get('parentNode');
1268                 this.pathbar.removeChild(this.pathnode);
1269             }
1270             // assign callbacks for view mode switch buttons
1271             this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').
1272                 on('click', this.viewbar_clicked, this);
1273             // assign callbacks for toolbar links
1274             this.setup_toolbar();
1275             this.setup_select_file();
1276             this.hide_header();
1278             // processing repository listing
1279             // Resort the repositories by sortorder
1280             var sorted_repositories = [];
1281             for (var i in this.options.repositories) {
1282                 sorted_repositories[i] = this.options.repositories[i];
1283             }
1284             sorted_repositories.sort(function(a,b){return a.sortorder-b.sortorder});
1285             // extract one repository template and repeat it for all repositories available,
1286             // set name and icon and assign callbacks
1287             var reponode = this.fpnode.one('.fp-repo');
1288             if (reponode) {
1289                 var list = reponode.get('parentNode');
1290                 list.removeChild(reponode);
1291                 for (i in sorted_repositories) {
1292                     var repository = sorted_repositories[i];
1293                     var node = reponode.cloneNode(true);
1294                     list.appendChild(node);
1295                     node.
1296                         set('id', 'fp-repo-'+client_id+'-'+repository.id).
1297                         on('click', function(e, repository_id) {
1298                             e.preventDefault();
1299                             Y.Cookie.set('recentrepository', repository_id);
1300                             this.hide_header();
1301                             this.list({'repo_id':repository_id});
1302                         }, this /*handler running scope*/, repository.id/*second argument of handler*/);
1303                     node.one('.fp-repo-name').setContent(repository.name);
1304                     node.one('.fp-repo-icon').set('src', repository.icon);
1305                     if (i==0) {
1306                         node.addClass('first');
1307                     }
1308                     if (i==sorted_repositories.length-1) {
1309                         node.addClass('last');
1310                     }
1311                     if (i%2) {
1312                         node.addClass('even');
1313                     } else {
1314                         node.addClass('odd');
1315                     }
1316                 }
1317             }
1318             // display error if no repositories found
1319             if (sorted_repositories.length==0) {
1320                 this.display_error(M.str.repository.norepositoriesavailable, 'norepositoriesavailable')
1321             }
1322             // display repository that was used last time
1323             this.show_recent_repository();
1324         },
1325         parse_repository_options: function(data, appendtolist) {
1326             if (appendtolist) {
1327                 if (data.list) {
1328                     if (!this.filelist) {
1329                         this.filelist = [];
1330                     }
1331                     for (var i in data.list) {
1332                         this.filelist[this.filelist.length] = data.list[i];
1333                     }
1334                 }
1335             } else {
1336                 this.filelist = data.list?data.list:null;
1337                 this.lazyloading = {};
1338             }
1339             this.filepath = data.path?data.path:null;
1340             this.objecttag = data.object?data.object:null;
1341             this.active_repo = {};
1342             this.active_repo.issearchresult = data.issearchresult ? true : false;
1343             this.active_repo.dynload = data.dynload?data.dynload:false;
1344             this.active_repo.pages = Number(data.pages?data.pages:null);
1345             this.active_repo.page = Number(data.page?data.page:null);
1346             this.active_repo.hasmorepages = (this.active_repo.pages && this.active_repo.page && (this.active_repo.page < this.active_repo.pages || this.active_repo.pages == -1))
1347             this.active_repo.id = data.repo_id?data.repo_id:null;
1348             this.active_repo.nosearch = (data.login || data.nosearch); // this is either login form or 'nosearch' attribute set
1349             this.active_repo.norefresh = (data.login || data.norefresh); // this is either login form or 'norefresh' attribute set
1350             this.active_repo.nologin = (data.login || data.nologin); // this is either login form or 'nologin' attribute is set
1351             this.active_repo.logouttext = data.logouttext?data.logouttext:null;
1352             this.active_repo.help = data.help?data.help:null;
1353             this.active_repo.manage = data.manage?data.manage:null;
1354             this.print_header();
1355         },
1356         print_login: function(data) {
1357             this.parse_repository_options(data);
1358             var client_id = this.options.client_id;
1359             var repository_id = data.repo_id;
1360             var l = this.logindata = data.login;
1361             var loginurl = '';
1362             var action = data['login_btn_action'] ? data['login_btn_action'] : 'login';
1363             var form_id = 'fp-form-'+client_id;
1365             var loginform_node = Y.Node.create(M.core_filepicker.templates.loginform);
1366             loginform_node.one('form').set('id', form_id);
1367             this.fpnode.one('.fp-content').setContent('').appendChild(loginform_node);
1368             var templates = {
1369                 'popup' : loginform_node.one('.fp-login-popup'),
1370                 'textarea' : loginform_node.one('.fp-login-textarea'),
1371                 'select' : loginform_node.one('.fp-login-select'),
1372                 'text' : loginform_node.one('.fp-login-text'),
1373                 'radio' : loginform_node.one('.fp-login-radiogroup'),
1374                 'checkbox' : loginform_node.one('.fp-login-checkbox'),
1375                 'input' : loginform_node.one('.fp-login-input')
1376             };
1377             var container;
1378             for (var i in templates) {
1379                 if (templates[i]) {
1380                     container = templates[i].get('parentNode');
1381                     container.removeChild(templates[i]);
1382                 }
1383             }
1385             for(var k in l) {
1386                 if (templates[l[k].type]) {
1387                     var node = templates[l[k].type].cloneNode(true);
1388                 } else {
1389                     node = templates['input'].cloneNode(true);
1390                 }
1391                 if (l[k].type == 'popup') {
1392                     // submit button
1393                     loginurl = l[k].url;
1394                     var popupbutton = node.one('button');
1395                     popupbutton.on('click', function(e){
1396                         M.core_filepicker.active_filepicker = this;
1397                         window.open(loginurl, 'repo_auth', 'location=0,status=0,width=500,height=300,scrollbars=yes');
1398                         e.preventDefault();
1399                     }, this);
1400                     loginform_node.one('form').on('keydown', function(e) {
1401                         if (e.keyCode == 13) {
1402                             popupbutton.simulate('click');
1403                             e.preventDefault();
1404                         }
1405                     }, this);
1406                     loginform_node.all('.fp-login-submit').remove();
1407                     action = 'popup';
1408                 } else if(l[k].type=='textarea') {
1409                     // textarea element
1410                     if (node.one('label')) {
1411                         node.one('label').set('for', l[k].id).setContent(l[k].label);
1412                     }
1413                     node.one('textarea').setAttrs({id:l[k].id, name:l[k].name});
1414                 } else if(l[k].type=='select') {
1415                     // select element
1416                     if (node.one('label')) {
1417                         node.one('label').set('for', l[k].id).setContent(l[k].label);
1418                     }
1419                     node.one('select').setAttrs({id:l[k].id, name:l[k].name}).setContent('');
1420                     for (i in l[k].options) {
1421                         node.one('select').appendChild(
1422                             Y.Node.create('<option/>').
1423                                 set('value', l[k].options[i].value).
1424                                 setContent(l[k].options[i].label));
1425                     }
1426                 } else if(l[k].type=='radio') {
1427                     // radio input element
1428                     node.all('label').setContent(l[k].label);
1429                     var list = l[k].value.split('|');
1430                     var labels = l[k].value_label.split('|');
1431                     var radionode = null;
1432                     for(var item in list) {
1433                         if (radionode == null) {
1434                             radionode = node.one('.fp-login-radio');
1435                             radionode.one('input').set('checked', 'checked');
1436                         } else {
1437                             var x = radionode.cloneNode(true);
1438                             radionode.insert(x, 'after');
1439                             radionode = x;
1440                             radionode.one('input').set('checked', '');
1441                         }
1442                         radionode.one('input').setAttrs({id:''+l[k].id+item, name:l[k].name,
1443                             type:l[k].type, value:list[item]});
1444                         radionode.all('label').setContent(labels[item]).set('for', ''+l[k].id+item)
1445                     }
1446                     if (radionode == null) {
1447                         node.one('.fp-login-radio').remove();
1448                     }
1449                 } else {
1450                     // input element
1451                     if (node.one('label')) { node.one('label').set('for', l[k].id).setContent(l[k].label) }
1452                     node.one('input').
1453                         set('type', l[k].type).
1454                         set('id', l[k].id).
1455                         set('name', l[k].name).
1456                         set('value', l[k].value?l[k].value:'')
1457                 }
1458                 container.appendChild(node);
1459             }
1460             // custom label text for submit button
1461             if (data['login_btn_label']) {
1462                 loginform_node.all('.fp-login-submit').setContent(data['login_btn_label'])
1463             }
1464             // register button action for login and search
1465             if (action == 'login' || action == 'search') {
1466                 loginform_node.one('.fp-login-submit').on('click', function(e){
1467                     e.preventDefault();
1468                     this.hide_header();
1469                     this.request({
1470                         'scope': this,
1471                         'action':(action == 'search') ? 'search' : 'signin',
1472                         'path': '',
1473                         'client_id': client_id,
1474                         'repository_id': repository_id,
1475                         'form': {id:form_id, upload:false, useDisabled:true},
1476                         'callback': this.display_response
1477                     }, true);
1478                 }, this);
1479             }
1480             // if 'Enter' is pressed in the form, simulate the button click
1481             if (loginform_node.one('.fp-login-submit')) {
1482                 loginform_node.one('form').on('keydown', function(e) {
1483                     if (e.keyCode == 13) {
1484                         loginform_node.one('.fp-login-submit').simulate('click')
1485                         e.preventDefault();
1486                     }
1487                 }, this);
1488             }
1489         },
1490         display_response: function(id, obj, args) {
1491             var scope = args.scope
1492             // highlight the current repository in repositories list
1493             scope.fpnode.all('.fp-repo.active').removeClass('active');
1494             scope.fpnode.all('#fp-repo-'+scope.options.client_id+'-'+obj.repo_id).addClass('active')
1495             // add class repository_REPTYPE to the filepicker (for repository-specific styles)
1496             for (var i in scope.options.repositories) {
1497                 scope.fpnode.removeClass('repository_'+scope.options.repositories[i].type)
1498             }
1499             if (obj.repo_id && scope.options.repositories[obj.repo_id]) {
1500                 scope.fpnode.addClass('repository_'+scope.options.repositories[obj.repo_id].type)
1501             }
1502             // display response
1503             if (obj.login) {
1504                 scope.viewbar_set_enabled(false);
1505                 scope.print_login(obj);
1506             } else if (obj.upload) {
1507                 scope.viewbar_set_enabled(false);
1508                 scope.parse_repository_options(obj);
1509                 scope.create_upload_form(obj);
1510             } else if (obj.object) {
1511                 M.core_filepicker.active_filepicker = scope;
1512                 scope.viewbar_set_enabled(false);
1513                 scope.parse_repository_options(obj);
1514                 scope.create_object_container(obj.object);
1515             } else if (obj.list) {
1516                 scope.viewbar_set_enabled(true);
1517                 scope.parse_repository_options(obj);
1518                 scope.view_files();
1519             }
1520         },
1521         list: function(args) {
1522             if (!args) {
1523                 args = {};
1524             }
1525             if (!args.repo_id) {
1526                 args.repo_id = this.active_repo.id;
1527             }
1528             this.request({
1529                 action: 'list',
1530                 client_id: this.options.client_id,
1531                 repository_id: args.repo_id,
1532                 path: args.path,
1533                 page: args.page,
1534                 scope: this,
1535                 callback: this.display_response
1536             }, true);
1537         },
1538         populate_licenses_select: function(node) {
1539             if (!node) {
1540                 return;
1541             }
1542             node.setContent('');
1543             var licenses = this.options.licenses;
1544             var recentlicense = Y.Cookie.get('recentlicense');
1545             if (recentlicense) {
1546                 this.options.defaultlicense=recentlicense;
1547             }
1548             for (var i in licenses) {
1549                 var option = Y.Node.create('<option/>').
1550                     set('selected', (this.options.defaultlicense==licenses[i].shortname)).
1551                     set('value', licenses[i].shortname).
1552                     setContent(licenses[i].fullname);
1553                 node.appendChild(option)
1554             }
1555         },
1556         set_selected_license: function(node, value) {
1557             var licenseset = false;
1558             node.all('option').each(function(el) {
1559                 if (el.get('value')==value || el.getContent()==value) {
1560                     el.set('selected', true);
1561                     licenseset = true;
1562                 }
1563             });
1564             if (!licenseset) {
1565                 // we did not find the value in the list
1566                 var recentlicense = Y.Cookie.get('recentlicense');
1567                 node.all('option[selected]').set('selected', false);
1568                 node.all('option[value='+recentlicense+']').set('selected', true);
1569             }
1570         },
1571         create_object_container: function(data) {
1572             var content = this.fpnode.one('.fp-content');
1573             content.setContent('');
1574             //var str = '<object data="'+data.src+'" type="'+data.type+'" width="98%" height="98%" id="container_object" class="fp-object-container mdl-align"></object>';
1575             var container = Y.Node.create('<object/>').
1576                 setAttrs({data:data.src, type:data.type, id:'container_object'}).
1577                 addClass('fp-object-container');
1578             content.setContent('').appendChild(container);
1579         },
1580         create_upload_form: function(data) {
1581             var client_id = this.options.client_id;
1582             var id = data.upload.id+'_'+client_id;
1583             var content = this.fpnode.one('.fp-content');
1584             content.setContent(M.core_filepicker.templates.uploadform);
1586             content.all('.fp-file,.fp-saveas,.fp-setauthor,.fp-setlicense').each(function (node) {
1587                 node.all('label').set('for', node.one('input,select').generateID());
1588             });
1589             content.one('form').set('id', id);
1590             content.one('.fp-file input').set('name', 'repo_upload_file');
1591             content.one('.fp-saveas input').set('name', 'title');
1592             content.one('.fp-setauthor input').setAttrs({name:'author', value:this.options.author});
1593             content.one('.fp-setlicense select').set('name', 'license');
1594             this.populate_licenses_select(content.one('.fp-setlicense select'))
1595             // append hidden inputs to the upload form
1596             content.one('form').appendChild(Y.Node.create('<input/>').
1597                 setAttrs({type:'hidden',name:'itemid',value:this.options.itemid}));
1598             var types = this.options.accepted_types;
1599             for (var i in types) {
1600                 content.one('form').appendChild(Y.Node.create('<input/>').
1601                     setAttrs({type:'hidden',name:'accepted_types[]',value:types[i]}));
1602             }
1604             var scope = this;
1605             content.one('.fp-upload-btn').on('click', function(e) {
1606                 e.preventDefault();
1607                 var license = content.one('.fp-setlicense select');
1608                 Y.Cookie.set('recentlicense', license.get('value'));
1609                 if (!content.one('.fp-file input').get('value')) {
1610                     scope.print_msg(M.str.repository.nofilesattached, 'error');
1611                     return false;
1612                 }
1613                 this.hide_header();
1614                 scope.request({
1615                         scope: scope,
1616                         action:'upload',
1617                         client_id: client_id,
1618                         params: {'savepath':scope.options.savepath},
1619                         repository_id: scope.active_repo.id,
1620                         form: {id: id, upload:true},
1621                         onerror: function(id, o, args) {
1622                             scope.create_upload_form(data);
1623                         },
1624                         callback: function(id, o, args) {
1625                             if (o.event == 'fileexists') {
1626                                 scope.create_upload_form(data);
1627                                 scope.process_existing_file(o);
1628                                 return;
1629                             }
1630                             if (scope.options.editor_target&&scope.options.env=='editor') {
1631                                 scope.options.editor_target.value=o.url;
1632                                 scope.options.editor_target.onchange();
1633                             }
1634                             scope.hide();
1635                             o.client_id = client_id;
1636                             var formcallback_scope = args.scope.options.magicscope ? args.scope.options.magicscope : args.scope;
1637                             scope.options.formcallback.apply(formcallback_scope, [o]);
1638                         }
1639                 }, true);
1640             }, this);
1641         },
1642         /** setting handlers and labels for elements in toolbar. Called once during the initial render of filepicker */
1643         setup_toolbar: function() {
1644             var client_id = this.options.client_id;
1645             var toolbar = this.fpnode.one('.fp-toolbar');
1646             toolbar.one('.fp-tb-logout').one('a,button').on('click', function(e) {
1647                 e.preventDefault();
1648                 if (!this.active_repo.nologin) {
1649                     this.hide_header();
1650                     this.request({
1651                         action:'logout',
1652                         client_id: this.options.client_id,
1653                         repository_id: this.active_repo.id,
1654                         path:'',
1655                         callback: this.display_response
1656                     }, true);
1657                 }
1658             }, this);
1659             toolbar.one('.fp-tb-refresh').one('a,button').on('click', function(e) {
1660                 e.preventDefault();
1661                 if (!this.active_repo.norefresh) {
1662                     this.list();
1663                 }
1664             }, this);
1665             toolbar.one('.fp-tb-search form').
1666                 set('method', 'POST').
1667                 set('id', 'fp-tb-search-'+client_id).
1668                 on('submit', function(e) {
1669                     e.preventDefault();
1670                     if (!this.active_repo.nosearch) {
1671                         this.request({
1672                             scope: this,
1673                             action:'search',
1674                             client_id: this.options.client_id,
1675                             repository_id: this.active_repo.id,
1676                             form: {id: 'fp-tb-search-'+client_id, upload:false, useDisabled:true},
1677                             callback: this.display_response
1678                         }, true);
1679                     }
1680                 }, this);
1682             // it does not matter what kind of element is .fp-tb-manage, we create a dummy <a>
1683             // element and use it to open url on click event
1684             var managelnk = Y.Node.create('<a/>').
1685                 setAttrs({id:'fp-tb-manage-'+client_id+'-link', target:'_blank'}).
1686                 setStyle('display', 'none');
1687             toolbar.append(managelnk);
1688             toolbar.one('.fp-tb-manage').one('a,button').
1689                 on('click', function(e) {
1690                     e.preventDefault();
1691                     managelnk.simulate('click')
1692                 });
1694             // same with .fp-tb-help
1695             var helplnk = Y.Node.create('<a/>').
1696                 setAttrs({id:'fp-tb-help-'+client_id+'-link', target:'_blank'}).
1697                 setStyle('display', 'none');
1698             toolbar.append(helplnk);
1699             toolbar.one('.fp-tb-manage').one('a,button').
1700                 on('click', function(e) {
1701                     e.preventDefault();
1702                     helplnk.simulate('click')
1703                 });
1704         },
1705         hide_header: function() {
1706             if (this.fpnode.one('.fp-toolbar')) {
1707                 this.fpnode.one('.fp-toolbar').addClass('empty');
1708             }
1709             if (this.pathbar) {
1710                 this.pathbar.setContent('').addClass('empty');
1711             }
1712         },
1713         print_header: function() {
1714             var r = this.active_repo;
1715             var scope = this;
1716             var client_id = this.options.client_id;
1717             this.hide_header();
1718             this.print_path();
1719             var toolbar = this.fpnode.one('.fp-toolbar');
1720             if (!toolbar) { return; }
1722             var enable_tb_control = function(node, enabled) {
1723                 if (!node) { return; }
1724                 node.addClassIf('disabled', !enabled).addClassIf('enabled', enabled)
1725                 if (enabled) {
1726                     toolbar.removeClass('empty');
1727                 }
1728             }
1730             // TODO 'back' permanently disabled for now. Note, flickr_public uses 'Logout' for it!
1731             enable_tb_control(toolbar.one('.fp-tb-back'), false);
1733             // search form
1734             enable_tb_control(toolbar.one('.fp-tb-search'), !r.nosearch);
1735             if(!r.nosearch) {
1736                 var searchform = toolbar.one('.fp-tb-search form');
1737                 searchform.setContent('');
1738                 this.request({
1739                     scope: this,
1740                     action:'searchform',
1741                     repository_id: this.active_repo.id,
1742                     callback: function(id, obj, args) {
1743                         if (obj.repo_id == scope.active_repo.id && obj.form) {
1744                             // if we did not jump to another repository meanwhile
1745                             searchform.setContent(obj.form);
1746                             // Highlight search text when user click for search.
1747                             var searchnode = searchform.one('input[name="s"]');
1748                             if (searchnode) {
1749                                 searchnode.once('click', function(e) {
1750                                     e.preventDefault();
1751                                     this.select();
1752                                 });
1753                             }
1754                         }
1755                     }
1756                 }, false);
1757             }
1759             // refresh button
1760             // weather we use cache for this instance, this button will reload listing anyway
1761             enable_tb_control(toolbar.one('.fp-tb-refresh'), !r.norefresh);
1763             // login button
1764             enable_tb_control(toolbar.one('.fp-tb-logout'), !r.nologin);
1765             if (!r.nologin) {
1766                 var label = r.logouttext ? r.logouttext : M.str.repository.logout;
1767                 toolbar.one('.fp-tb-logout').one('a,button').setContent(label)
1768             }
1770             // manage url
1771             enable_tb_control(toolbar.one('.fp-tb-manage'), r.manage);
1772             Y.one('#fp-tb-manage-'+client_id+'-link').set('href', r.manage);
1774             // help url
1775             enable_tb_control(toolbar.one('.fp-tb-help'), r.help);
1776             Y.one('#fp-tb-help-'+client_id+'-link').set('href', r.help);
1777         },
1778         print_path: function() {
1779             if (!this.pathbar) {
1780                 return;
1781             }
1782             this.pathbar.setContent('').addClass('empty');
1783             var p = this.filepath;
1784             if (p && p.length!=0 && this.viewmode != 2) {
1785                 for(var i = 0; i < p.length; i++) {
1786                     var el = this.pathnode.cloneNode(true);
1787                     this.pathbar.appendChild(el);
1788                     if (i == 0) {
1789                         el.addClass('first');
1790                     }
1791                     if (i == p.length-1) {
1792                         el.addClass('last');
1793                     }
1794                     if (i%2) {
1795                         el.addClass('even');
1796                     } else {
1797                         el.addClass('odd');
1798                     }
1799                     el.all('.fp-path-folder-name').setContent(p[i].name);
1800                     el.on('click',
1801                             function(e, path) {
1802                                 e.preventDefault();
1803                                 this.list({'path':path});
1804                             },
1805                         this, p[i].path);
1806                 }
1807                 this.pathbar.removeClass('empty');
1808             }
1809         },
1810         hide: function() {
1811             this.selectui.hide();
1812             if (this.process_dlg) {
1813                 this.process_dlg.hide();
1814             }
1815             if (this.msg_dlg) {
1816                 this.msg_dlg.hide();
1817             }
1818             this.mainui.hide();
1819         },
1820         show: function() {
1821             if (this.fpnode) {
1822                 this.hide();
1823                 this.mainui.show();
1824                 this.show_recent_repository();
1825             } else {
1826                 this.launch();
1827             }
1828         },
1829         launch: function() {
1830             this.render();
1831         },
1832         show_recent_repository: function() {
1833             this.hide_header();
1834             this.viewbar_set_enabled(false);
1835             var repository_id = Y.Cookie.get('recentrepository');
1836             this.viewmode = Y.Cookie.get('recentviewmode', Number);
1837             if (this.viewmode != 2 && this.viewmode != 3) {
1838                 this.viewmode = 1;
1839             }
1840             if (this.options.repositories[repository_id]) {
1841                 this.list({'repo_id':repository_id});
1842             }
1843         }
1844     });
1845     var loading = Y.one('#filepicker-loading-'+options.client_id);
1846     if (loading) {
1847         loading.setStyle('display', 'none');
1848     }
1849     M.core_filepicker.instances[options.client_id] = new FilePickerHelper(options);
1850 };