Proyectos de Subversion Moodle

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// YUI3 File Picker module for moodle
2
// Author: Dongsheng Cai <dongsheng@moodle.com>
3
 
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
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 * this.mainui, YUI Panel
11
 * this.selectnode, contains reference to select-file Node
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 * this.selectui, YUI Panel for selecting particular file
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 * 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
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 * 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
 * this.currentpath, the current path in the repository (or last requested path)
20
 *
21
 * Filepicker options:
22
 * =====
23
 * this.options.client_id, the instance id
24
 * this.options.contextid
25
 * this.options.itemid
26
 * this.options.repositories, stores all repositories displayed in file picker
27
 * this.options.formcallback
28
 *
29
 * Active repository options
30
 * =====
31
 * this.active_repo.id
32
 * this.active_repo.defaultreturntype
33
 * this.active_repo.nosearch
34
 * this.active_repo.norefresh
35
 * this.active_repo.nologin
36
 * this.active_repo.help
37
 * this.active_repo.manage
38
 *
39
 * Server responses
40
 * =====
41
 * this.filelist, cached filelist
42
 * this.pages
43
 * this.page
44
 * this.filepath, current path (each element of the array is a part of the breadcrumb)
45
 * this.logindata, cached login form
46
 */
47
 
48
YUI.add('moodle-core_filepicker', function(Y) {
49
    /** help function to extract width/height style as a number, not as a string */
50
    Y.Node.prototype.getStylePx = function(attr) {
51
        var style = this.getStyle(attr);
52
        if (''+style == '0' || ''+style == '0px') {
53
            return 0;
54
        }
55
        var matches = style.match(/^([\d\.]+)px$/)
56
        if (matches && parseFloat(matches[1])) {
57
            return parseFloat(matches[1]);
58
        }
59
        return null;
60
    }
61
 
62
    /** if condition is met, the class is added to the node, otherwise - removed */
63
    Y.Node.prototype.addClassIf = function(className, condition) {
64
        if (condition) {
65
            this.addClass(className);
66
        } else {
67
            this.removeClass(className);
68
        }
69
        return this;
70
    }
71
 
72
    /** sets the width(height) of the node considering existing minWidth(minHeight) */
73
    Y.Node.prototype.setStyleAdv = function(stylename, value) {
74
        var stylenameCap = stylename.substr(0,1).toUpperCase() + stylename.substr(1, stylename.length-1).toLowerCase();
75
        this.setStyle(stylename, '' + Math.max(value, this.getStylePx('min'+stylenameCap)) + 'px')
76
        return this;
77
    }
78
 
79
    /** set image source to src, if there is preview, remember it in lazyloading.
80
     *  If there is a preview and it was already loaded, use it. */
81
    Y.Node.prototype.setImgSrc = function(src, realsrc, lazyloading) {
82
        if (realsrc) {
83
            if (M.core_filepicker.loadedpreviews[realsrc]) {
84
                this.set('src', realsrc).addClass('realpreview');
85
                return this;
86
            } else {
87
                if (!this.get('id')) {
88
                    this.generateID();
89
                }
90
                lazyloading[this.get('id')] = realsrc;
91
            }
92
        }
93
        this.set('src', src);
94
        return this;
95
    }
96
 
97
    /**
98
     * Replaces the image source with preview. If the image is inside the treeview, we need
99
     * also to update the html property of corresponding YAHOO.widget.HTMLNode
100
     * @param array lazyloading array containing associations of imgnodeid->realsrc
101
     */
102
    Y.Node.prototype.setImgRealSrc = function(lazyloading) {
103
        if (this.get('id') && lazyloading[this.get('id')]) {
104
            var newsrc = lazyloading[this.get('id')];
105
            M.core_filepicker.loadedpreviews[newsrc] = true;
106
            this.set('src', newsrc).addClass('realpreview');
107
            delete lazyloading[this.get('id')];
108
            var treenode = this.ancestor('.fp-treeview')
109
            if (treenode && treenode.get('parentNode').treeview) {
110
                treenode.get('parentNode').treeview.getRoot().refreshPreviews(this.get('id'), newsrc);
111
            }
112
        }
113
        return this;
114
    }
115
 
116
    /** scan TreeView to find which node contains image with id=imgid and replace it's html
117
     * with the new image source. */
118
    Y.YUI2.widget.Node.prototype.refreshPreviews = function(imgid, newsrc, regex) {
119
        if (!regex) {
120
            regex = new RegExp("<img\\s[^>]*id=\""+imgid+"\"[^>]*?(/?)>", "im");
121
        }
122
        if (this.expanded || this.isLeaf) {
123
            var html = this.getContentHtml();
124
            if (html && this.setHtml && regex.test(html)) {
125
                var newhtml = this.html.replace(regex, "<img id=\""+imgid+"\" src=\""+newsrc+"\" class=\"realpreview\"$1>", html);
126
                this.setHtml(newhtml);
127
                return true;
128
            }
129
            if (!this.isLeaf && this.children) {
130
                for(var c in this.children) {
131
                    if (this.children[c].refreshPreviews(imgid, newsrc, regex)) {
132
                        return true;
133
                    }
134
                }
135
            }
136
        }
137
        return false;
138
    }
139
 
140
    /**
141
     * Displays a list of files (used by filepicker, filemanager) inside the Node
142
     *
143
     * @param array options
144
     *   viewmode : 1 - icons, 2 - tree, 3 - table
145
     *   appendonly : whether fileslist need to be appended instead of replacing the existing content
146
     *   filenode : Node element that contains template for displaying one file
147
     *   callback : On click callback. The element of the fileslist array will be passed as argument
148
     *   rightclickcallback : On right click callback (optional).
149
     *   callbackcontext : context where callbacks are executed
150
     *   sortable : whether content may be sortable (in table mode)
151
     *   dynload : allow dynamic load for tree view
152
     *   filepath : for pre-building of tree view - the path to the current directory in filepicker format
153
     *   treeview_dynload : callback to function to dynamically load the folder in tree view
154
     *   classnamecallback : callback to function that returns the class name for an element
155
     * @param array fileslist array of files to show, each array element may have attributes:
156
     *   title or fullname : file name
157
     *   shorttitle (optional) : display file name
158
     *   thumbnail : url of image
159
     *   icon : url of icon image
160
     *   thumbnail_width : width of thumbnail, default 90
161
     *   thumbnail_height : height of thumbnail, default 90
162
     *   thumbnail_alt : TODO not needed!
163
     *   description or thumbnail_title : alt text
164
     * @param array lazyloading : reference to the array with lazy loading images
165
     */
166
    Y.Node.prototype.fp_display_filelist = function(options, fileslist, lazyloading) {
167
        var viewmodeclassnames = {1:'fp-iconview', 2:'fp-treeview', 3:'fp-tableview'};
168
        var classname = viewmodeclassnames[options.viewmode];
169
        var scope = this;
170
        /** return whether file is a folder (different attributes in FileManager and FilePicker) */
171
        var file_is_folder = function(node) {
172
            if (node.children) {return true;}
173
            if (node.type && node.type == 'folder') {return true;}
174
            return false;
175
        };
176
        /** return the name of the file (different attributes in FileManager and FilePicker) */
177
        var file_get_filename = function(node) {
178
            return node.title ? node.title : node.fullname;
179
        };
180
        /** return display name of the file (different attributes in FileManager and FilePicker) */
181
        var file_get_displayname = function(node) {
182
            var displayname = node.shorttitle ? node.shorttitle : file_get_filename(node);
183
            return Y.Escape.html(displayname);
184
        };
185
        /** return file description (different attributes in FileManager and FilePicker) */
186
        var file_get_description = function(node) {
187
            var description = '';
188
            if (node.description) {
189
                description = node.description;
190
            } else if (node.thumbnail_title) {
191
                description = node.thumbnail_title;
192
            } else {
193
                description = file_get_filename(node);
194
            }
195
            return Y.Escape.html(description);
196
        };
197
        /** help funciton for tree view */
198
        var build_tree = function(node, level) {
199
            // prepare file name with icon
200
            var el = Y.Node.create('<div/>');
201
            el.appendChild(options.filenode.cloneNode(true));
202
 
203
            el.one('.fp-filename').setContent(file_get_displayname(node));
204
            // TODO add tooltip with node.title or node.thumbnail_title
205
            var tmpnodedata = {className:options.classnamecallback(node)};
206
            el.get('children').addClass(tmpnodedata.className);
207
            if (node.icon) {
208
                el.one('.fp-icon').appendChild(Y.Node.create('<img/>'));
209
                el.one('.fp-icon img').setImgSrc(node.icon, node.realicon, lazyloading);
210
            }
211
            // create node
212
            tmpnodedata.html = el.getContent();
213
            var tmpNode = new Y.YUI2.widget.HTMLNode(tmpnodedata, level, false);
214
            if (node.dynamicLoadComplete) {
215
                tmpNode.dynamicLoadComplete = true;
216
            }
217
            tmpNode.fileinfo = node;
218
            tmpNode.isLeaf = !file_is_folder(node);
219
            if (!tmpNode.isLeaf) {
220
                if(node.expanded) {
221
                    tmpNode.expand();
222
                }
223
                tmpNode.path = node.path ? node.path : (node.filepath ? node.filepath : '');
224
                for(var c in node.children) {
225
                    build_tree(node.children[c], tmpNode);
226
                }
227
            }
228
        };
229
        /** initialize tree view */
230
        var initialize_tree_view = function() {
231
            var parentid = scope.one('.'+classname).get('id');
232
            // TODO MDL-32736 use YUI3 gallery TreeView
233
            scope.treeview = new Y.YUI2.widget.TreeView(parentid);
234
            if (options.dynload) {
235
                scope.treeview.setDynamicLoad(Y.bind(options.treeview_dynload, options.callbackcontext), 1);
236
            }
237
            scope.treeview.singleNodeHighlight = true;
238
            if (options.filepath && options.filepath.length) {
239
                // we just jumped from icon/details view, we need to show all parents
240
                // we extract as much information as possible from filepath and filelist
241
                // and send additional requests to retrieve siblings for parent folders
242
                var mytree = {};
243
                var mytreeel = null;
244
                for (var i in options.filepath) {
245
                    if (mytreeel == null) {
246
                        mytreeel = mytree;
247
                    } else {
248
                        mytreeel.children = [{}];
249
                        mytreeel = mytreeel.children[0];
250
                    }
251
                    var pathelement = options.filepath[i];
252
                    mytreeel.path = pathelement.path;
253
                    mytreeel.title = pathelement.name;
254
                    mytreeel.icon = pathelement.icon;
255
                    mytreeel.dynamicLoadComplete = true; // we will call it manually
256
                    mytreeel.expanded = true;
257
                }
258
                mytreeel.children = fileslist;
259
                build_tree(mytree, scope.treeview.getRoot());
260
                // manually call dynload for parent elements in the tree so we can load other siblings
261
                if (options.dynload) {
262
                    var root = scope.treeview.getRoot();
263
                    // Whether search results are currently displayed in the active repository in the filepicker.
264
                    // We do not want to load siblings of parent elements when displaying search tree results.
265
                    var isSearchResult = typeof options.callbackcontext.active_repo !== 'undefined' &&
266
                        options.callbackcontext.active_repo.issearchresult;
267
                    while (root && root.children && root.children.length) {
268
                        root = root.children[0];
269
                        if (root.path == mytreeel.path) {
270
                            root.origpath = options.filepath;
271
                            root.origlist = fileslist;
272
                        } else if (!root.isLeaf && root.expanded && !isSearchResult) {
273
                            Y.bind(options.treeview_dynload, options.callbackcontext)(root, null);
274
                        }
275
                    }
276
                }
277
            } else {
278
                // there is no path information, just display all elements as a list, without hierarchy
279
                for(k in fileslist) {
280
                    build_tree(fileslist[k], scope.treeview.getRoot());
281
                }
282
            }
283
            scope.treeview.subscribe('clickEvent', function(e){
284
                e.node.highlight(false);
285
                var callback = options.callback;
286
                if (options.rightclickcallback && e.event.target &&
287
                        Y.Node(e.event.target).ancestor('.fp-treeview .fp-contextmenu', true)) {
288
                    callback = options.rightclickcallback;
289
                }
290
                Y.bind(callback, options.callbackcontext)(e, e.node.fileinfo);
291
                Y.YUI2.util.Event.stopEvent(e.event)
292
            });
293
            // Simulate click on file not folder.
294
            scope.treeview.subscribe('enterKeyPressed', function(node) {
295
                if (node.children.length === 0) {
296
                    Y.one(node.getContentEl()).one('a').simulate('click');
297
                }
298
            });
299
            // TODO MDL-32736 support right click
300
            /*if (options.rightclickcallback) {
301
                scope.treeview.subscribe('dblClickEvent', function(e){
302
                    e.node.highlight(false);
303
                    Y.bind(options.rightclickcallback, options.callbackcontext)(e, e.node.fileinfo);
304
                });
305
            }*/
306
            scope.treeview.draw();
307
        };
308
        /** formatting function for table view */
309
        var formatValue = function (o){
310
            if (o.data[''+o.column.key+'_f_s']) {return o.data[''+o.column.key+'_f_s'];}
311
            else if (o.data[''+o.column.key+'_f']) {return o.data[''+o.column.key+'_f'];}
312
            else if (o.value) {return o.value;}
313
            else {return '';}
314
        };
315
        /** formatting function for table view */
316
        var formatTitle = function(o) {
317
            var el = Y.Node.create('<div/>');
318
            el.appendChild(options.filenode.cloneNode(true)); // TODO not node but string!
319
            el.get('children').addClass(o.data['classname']);
320
            el.one('.fp-filename').setContent(o.value);
321
            if (o.data['icon']) {
322
                el.one('.fp-icon').appendChild(Y.Node.create('<img/>'));
323
                el.one('.fp-icon img').setImgSrc(o.data['icon'], o.data['realicon'], lazyloading);
324
            }
325
            if (options.rightclickcallback) {
326
                el.get('children').addClass('fp-hascontextmenu');
327
            }
328
            // TODO add tooltip with o.data['title'] (o.value) or o.data['thumbnail_title']
329
            return el.getContent();
330
        }
331
 
332
        /**
333
         * Generate slave checkboxes based on toggleall's specification
334
         * @param {object} o An object reprsenting the record for the current row.
335
         * @return {html} The checkbox html
336
         */
337
        var formatCheckbox = function(o) {
338
            var el = Y.Node.create('<div/>');
339
            var parentid = scope.one('.' + classname).get('id');
340
            var checkbox = Y.Node.create('<input/>')
341
                .setAttribute('type', 'checkbox')
342
                .setAttribute('data-fieldtype', 'checkbox')
343
                .setAttribute('data-fullname', o.data.fullname)
344
                .setAttribute('data-action', 'toggle')
345
                .setAttribute('data-toggle', 'slave')
346
                .setAttribute('data-togglegroup', 'file-selections-' + parentid);
347
 
348
            var checkboxLabel = Y.Node.create('<label>')
349
                .setHTML("Select file '" + o.data.fullname + "'")
350
                .addClass('sr-only')
351
                .setAttrs({
352
                    for: checkbox.generateID(),
353
                });
354
 
355
            el.appendChild(checkbox);
356
            el.appendChild(checkboxLabel);
357
            return el.getContent();
358
        };
359
        /** sorting function for table view */
360
        var sortFoldersFirst = function(a, b, desc) {
361
            if (a.get('isfolder') && !b.get('isfolder')) {
362
                return -1;
363
            }
364
            if (!a.get('isfolder') && b.get('isfolder')) {
365
                return 1;
366
            }
367
            var aa = a.get(this.key), bb = b.get(this.key), dir = desc ? -1 : 1;
368
            return (aa > bb) ? dir : ((aa < bb) ? -dir : 0);
369
        }
370
        /** initialize table view */
371
        var initialize_table_view = function() {
372
            var cols = [
373
                {key: "displayname", label: M.util.get_string('name', 'moodle'), allowHTML: true, formatter: formatTitle,
374
                    sortable: true, sortFn: sortFoldersFirst},
375
                {key: "datemodified", label: M.util.get_string('lastmodified', 'moodle'), allowHTML: true, formatter: formatValue,
376
                    sortable: true, sortFn: sortFoldersFirst},
377
                {key: "size", label: M.util.get_string('size', 'repository'), allowHTML: true, formatter: formatValue,
378
                    sortable: true, sortFn: sortFoldersFirst},
379
                {key: "mimetype", label: M.util.get_string('type', 'repository'), allowHTML: true,
380
                    sortable: true, sortFn: sortFoldersFirst}
381
            ];
382
 
383
            // Generate a checkbox based on toggleall's specification
384
            var div = Y.Node.create('<div/>');
385
            var parentid = scope.one('.' + classname).get('id');
386
            var checkbox = Y.Node.create('<input/>')
387
                .setAttribute('type', 'checkbox')
388
                // .setAttribute('title', M.util.get_string('selectallornone', 'form'))
389
                .setAttribute('data-action', 'toggle')
390
                .setAttribute('data-toggle', 'master')
391
                .setAttribute('data-togglegroup', 'file-selections-' + parentid);
392
 
393
            var checkboxLabel = Y.Node.create('<label>')
394
                .setHTML(M.util.get_string('selectallornone', 'form'))
395
                .addClass('sr-only')
396
                .setAttrs({
397
                    for: checkbox.generateID(),
398
                });
399
 
400
            div.appendChild(checkboxLabel);
401
            div.appendChild(checkbox);
402
 
403
            // Define the selector for the click event handler.
404
            var clickEventSelector = 'tr';
405
            // Enable the selectable checkboxes
406
            if (options.disablecheckboxes != undefined && !options.disablecheckboxes) {
407
                clickEventSelector = 'tr td:not(:first-child)';
408
                cols.unshift({
409
                    key: "",
410
                    label: div.getContent(),
411
                    allowHTML: true,
412
                    formatter: formatCheckbox,
413
                    sortable: false
414
                });
415
            }
416
            scope.tableview = new Y.DataTable({columns: cols, data: fileslist});
417
            scope.tableview.delegate('click', function (e, tableview) {
418
                var record = tableview.getRecord(e.currentTarget.get('id'));
419
                if (record) {
420
                    var callback = options.callback;
421
                    if (options.rightclickcallback && e.target.ancestor('.fp-tableview .fp-contextmenu', true)) {
422
                        callback = options.rightclickcallback;
423
                    }
424
                    Y.bind(callback, this)(e, record.getAttrs());
425
                }
426
            }, clickEventSelector, options.callbackcontext, scope.tableview);
427
 
428
            if (options.rightclickcallback) {
429
                scope.tableview.delegate('contextmenu', function (e, tableview) {
430
                    var record = tableview.getRecord(e.currentTarget.get('id'));
431
                    if (record) { Y.bind(options.rightclickcallback, this)(e, record.getAttrs()); }
432
                }, 'tr', options.callbackcontext, scope.tableview);
433
            }
434
        }
435
        /** append items in table view mode */
436
        var append_files_table = function() {
437
            if (options.appendonly) {
438
                fileslist.forEach(function(el) {
439
                    this.tableview.data.add(el);
440
                },scope);
441
            }
442
            scope.tableview.render(scope.one('.'+classname));
443
            scope.tableview.sortable = options.sortable ? true : false;
444
        };
445
        /** append items in tree view mode */
446
        var append_files_tree = function() {
447
            if (options.appendonly) {
448
                var parentnode = scope.treeview.getRoot();
449
                if (scope.treeview.getHighlightedNode()) {
450
                    parentnode = scope.treeview.getHighlightedNode();
451
                    if (parentnode.isLeaf) {parentnode = parentnode.parent;}
452
                }
453
                for (var k in fileslist) {
454
                    build_tree(fileslist[k], parentnode);
455
                }
456
                scope.treeview.draw();
457
            } else {
458
                // otherwise files were already added in initialize_tree_view()
459
            }
460
        }
461
        /** append items in icon view mode */
462
        var append_files_icons = function() {
463
            parent = scope.one('.'+classname);
464
            for (var k in fileslist) {
465
                var node = fileslist[k];
466
                var element = options.filenode.cloneNode(true);
467
                parent.appendChild(element);
468
                element.addClass(options.classnamecallback(node));
469
                var filenamediv = element.one('.fp-filename');
470
                filenamediv.setContent(file_get_displayname(node));
471
                var imgdiv = element.one('.fp-thumbnail'), width, height, src;
472
                if (node.thumbnail) {
473
                    width = node.thumbnail_width ? node.thumbnail_width : 90;
474
                    height = node.thumbnail_height ? node.thumbnail_height : 90;
475
                    src = node.thumbnail;
476
                } else {
477
                    width = 16;
478
                    height = 16;
479
                    src = node.icon;
480
                }
481
                filenamediv.setStyleAdv('width', width);
482
                imgdiv.setStyleAdv('width', width).setStyleAdv('height', height);
483
                var img = Y.Node.create('<img/>').setAttrs({
484
                        title: file_get_description(node),
485
                        alt: Y.Escape.html(node.thumbnail_alt ? node.thumbnail_alt : file_get_filename(node))}).
486
                    setStyle('maxWidth', ''+width+'px').
487
                    setStyle('maxHeight', ''+height+'px');
488
                img.setImgSrc(src, node.realthumbnail, lazyloading);
489
                imgdiv.appendChild(img);
490
                element.on('click', function(e, nd) {
491
                    if (options.rightclickcallback && e.target.ancestor('.fp-iconview .fp-contextmenu', true)) {
492
                        Y.bind(options.rightclickcallback, this)(e, nd);
493
                    } else {
494
                        Y.bind(options.callback, this)(e, nd);
495
                    }
496
                }, options.callbackcontext, node);
497
                if (options.rightclickcallback) {
498
                    element.on('contextmenu', options.rightclickcallback, options.callbackcontext, node);
499
                }
500
            }
501
        }
502
 
503
        // Notify the user if any of the files has a problem status.
504
        var problemFiles = [];
505
        fileslist.forEach(function(file) {
506
            if (!file_is_folder(file) && file.hasOwnProperty('status') && file.status != 0) {
507
                problemFiles.push(file);
508
            }
509
        });
510
        if (problemFiles.length > 0) {
511
            require(["core/notification", "core/str"], function(Notification, Str) {
512
                problemFiles.forEach(function(problemFile) {
513
                    Str.get_string('storedfilecannotreadfile', 'error', problemFile.fullname).then(function(string) {
514
                        Notification.addNotification({
515
                            message: string,
516
                            type: "error"
517
                        });
518
                        return;
519
                    }).catch(Notification.exception);
520
                });
521
            });
522
        }
523
 
524
        // If table view, need some additional properties
525
        // before passing fileslist to the YUI tableview
526
        if (options.viewmode == 3) {
527
            fileslist.forEach(function(el) {
528
                el.displayname = file_get_displayname(el);
529
                el.isfolder = file_is_folder(el);
530
                el.classname = options.classnamecallback(el);
531
            }, scope);
532
        }
533
 
534
        // initialize files view
535
        if (!options.appendonly) {
536
            var parent = Y.Node.create('<div/>').addClass(classname);
537
            this.setContent('').appendChild(parent);
538
            parent.generateID();
539
            if (options.viewmode == 2) {
540
                initialize_tree_view();
541
            } else if (options.viewmode == 3) {
542
                initialize_table_view();
543
            } else {
544
                // nothing to initialize for icon view
545
            }
546
        }
547
 
548
        // append files to the list
549
        if (options.viewmode == 2) {
550
            append_files_tree();
551
        } else if (options.viewmode == 3) {
552
            append_files_table();
553
        } else {
554
            append_files_icons();
555
        }
556
 
557
    }
558
}, '@VERSION@', {
559
    requires:['base', 'node', 'yui2-treeview', 'panel', 'cookie', 'datatable', 'datatable-sort']
560
});
561
 
562
M.core_filepicker = M.core_filepicker || {};
563
 
564
/**
565
 * instances of file pickers used on page
566
 */
567
M.core_filepicker.instances = M.core_filepicker.instances || {};
568
M.core_filepicker.active_filepicker = null;
569
 
570
/**
571
 * HTML Templates to use in FilePicker
572
 */
573
M.core_filepicker.templates = M.core_filepicker.templates || {};
574
 
575
/**
576
 * Array of image sources for real previews (realicon or realthumbnail) that are already loaded
577
 */
578
M.core_filepicker.loadedpreviews = M.core_filepicker.loadedpreviews || {};
579
 
580
/**
581
* Set selected file info
582
*
583
* @param object file info
584
*/
585
M.core_filepicker.select_file = function(file) {
586
    M.core_filepicker.active_filepicker.select_file(file);
587
}
588
 
589
/**
590
 * Init and show file picker
591
 */
592
M.core_filepicker.show = function(Y, options) {
593
    if (!M.core_filepicker.instances[options.client_id]) {
594
        M.core_filepicker.init(Y, options);
595
    }
596
    M.core_filepicker.instances[options.client_id].options.formcallback = options.formcallback;
597
    M.core_filepicker.instances[options.client_id].show();
598
};
599
 
600
M.core_filepicker.set_templates = function(Y, templates) {
601
    for (var templid in templates) {
602
        M.core_filepicker.templates[templid] = templates[templid];
603
    }
604
}
605
 
606
/**
607
 * Add new file picker to current instances
608
 */
609
M.core_filepicker.init = function(Y, options) {
610
    var FilePickerHelper = function(options) {
611
        FilePickerHelper.superclass.constructor.apply(this, arguments);
612
    };
613
 
614
    FilePickerHelper.NAME = "FilePickerHelper";
615
    FilePickerHelper.ATTRS = {
616
        options: {},
617
        lang: {}
618
    };
619
 
620
    Y.extend(FilePickerHelper, Y.Base, {
621
        api: M.cfg.wwwroot+'/repository/repository_ajax.php',
622
        cached_responses: {},
623
        waitinterval : null, // When the loading template is being displayed and its animation is running this will be an interval instance.
624
        initializer: function(options) {
625
            this.options = options;
626
            if (!this.options.savepath) {
627
                this.options.savepath = '/';
628
            }
629
        },
630
 
631
        destructor: function() {
632
        },
633
 
634
        request: function(args, redraw) {
635
            var api = (args.api ? args.api : this.api) + '?action='+args.action;
636
            var params = {};
637
            var scope = args['scope'] ? args['scope'] : this;
638
            params['repo_id']=args.repository_id;
639
            params['p'] = args.path?args.path:'';
640
            params['page'] = args.page?args.page:'';
641
            params['env']=this.options.env;
642
            // the form element only accept certain file types
643
            params['accepted_types']=this.options.accepted_types;
644
            params['sesskey'] = M.cfg.sesskey;
645
            params['client_id'] = args.client_id;
646
            params['itemid'] = this.options.itemid?this.options.itemid:0;
647
            params['maxbytes'] = this.options.maxbytes?this.options.maxbytes:-1;
648
            // The unlimited value of areamaxbytes is -1, it is defined by FILE_AREA_MAX_BYTES_UNLIMITED.
649
            params['areamaxbytes'] = this.options.areamaxbytes ? this.options.areamaxbytes : -1;
650
            if (this.options.context && this.options.context.id) {
651
                params['ctx_id'] = this.options.context.id;
652
            }
653
            if (args['params']) {
654
                for (i in args['params']) {
655
                    params[i] = args['params'][i];
656
                }
657
            }
658
            if (args.action == 'upload') {
659
                var list = [];
660
                for(var k in params) {
661
                    var value = params[k];
662
                    if(value instanceof Array) {
663
                        for(var i in value) {
664
                            list.push(k+'[]='+value[i]);
665
                        }
666
                    } else {
667
                        list.push(k+'='+value);
668
                    }
669
                }
670
                params = list.join('&');
671
            } else {
672
                params = build_querystring(params);
673
            }
674
            var cfg = {
675
                method: 'POST',
676
                on: {
677
                    complete: function(id,o,p) {
678
                        var data = null;
679
                        try {
680
                            data = Y.JSON.parse(o.responseText);
681
                        } catch(e) {
682
                            if (o && o.status && o.status > 0) {
683
                                Y.use('moodle-core-notification-exception', function() {
684
                                    return new M.core.exception(e);
685
                                });
686
                                return;
687
                            }
688
                        }
689
                        // error checking
690
                        if (data && data.error) {
691
                            Y.use('moodle-core-notification-ajaxexception', function () {
692
                                return new M.core.ajaxException(data);
693
                            });
694
                            this.fpnode.one('.fp-content').setContent('');
695
                            return;
696
                        } else {
697
                            if (data.msg) {
698
                                scope.print_msg(data.msg, 'info');
699
                            }
700
                            // cache result if applicable
701
                            if (args.action != 'upload' && data.allowcaching) {
702
                                scope.cached_responses[params] = data;
703
                            }
704
                            // invoke callback
705
                            args.callback(id,data,p);
706
                        }
707
                    }
708
                },
709
                arguments: {
710
                    scope: scope
711
                },
712
                headers: {
713
                    'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
714
                },
715
                data: params,
716
                context: this
717
            };
718
            if (args.form) {
719
                cfg.form = args.form;
720
            }
721
            // check if result of the same request has been already cached. If not, request it
722
            // (never applicable in case of form submission and/or upload action):
723
            if (!args.form && args.action != 'upload' && scope.cached_responses[params]) {
724
                args.callback(null, scope.cached_responses[params], {scope: scope})
725
            } else {
726
                Y.io(api, cfg);
727
                if (redraw) {
728
                    this.wait();
729
                }
730
            }
731
        },
732
        /** displays the dialog and processes rename/overwrite if there is a file with the same name in the same filearea*/
733
        process_existing_file: function(data) {
734
            var scope = this;
735
            var handleOverwrite = function(e) {
736
                // overwrite
737
                e.preventDefault();
738
                var data = this.process_dlg.dialogdata;
739
                var params = {}
740
                params['existingfilename'] = data.existingfile.filename;
741
                params['existingfilepath'] = data.existingfile.filepath;
742
                params['newfilename'] = data.newfile.filename;
743
                params['newfilepath'] = data.newfile.filepath;
744
                this.hide_header();
745
                this.request({
746
                    'params': params,
747
                    'scope': this,
748
                    'action':'overwrite',
749
                    'path': '',
750
                    'client_id': this.options.client_id,
751
                    'repository_id': this.active_repo.id,
752
                    'callback': function(id, o, args) {
753
                        scope.hide();
754
                        // Add an arbitrary parameter to the URL to force browsers to re-load the new image even
755
                        // if the file name has not changed.
756
                        var urlimage = data.existingfile.url + "?time=" + (new Date()).getTime();
757
                        if (scope.options.editor_target && scope.options.env == 'editor') {
758
                            // editor needs to update url
759
                            scope.options.editor_target.value = urlimage;
760
                            scope.options.editor_target.dispatchEvent(new Event('change'), {'bubbles': true});
761
                        }
762
                        var fileinfo = {'client_id':scope.options.client_id,
763
                            'url': urlimage,
764
                            'file': data.existingfile.filename};
765
                        var formcallback_scope = scope.options.magicscope ? scope.options.magicscope : scope;
766
                        scope.options.formcallback.apply(formcallback_scope, [fileinfo]);
767
                    }
768
                }, true);
769
            }
770
            var handleRename = function(e) {
771
                // inserts file with the new name
772
                e.preventDefault();
773
                var scope = this;
774
                var data = this.process_dlg.dialogdata;
775
                if (scope.options.editor_target && scope.options.env == 'editor') {
776
                    scope.options.editor_target.value = data.newfile.url;
777
                    scope.options.editor_target.dispatchEvent(new Event('change'), {'bubbles': true});
778
                }
779
                scope.hide();
780
                var formcallback_scope = scope.options.magicscope ? scope.options.magicscope : scope;
781
                var fileinfo = {'client_id':scope.options.client_id,
782
                                'url':data.newfile.url,
783
                                'file':data.newfile.filename};
784
                scope.options.formcallback.apply(formcallback_scope, [fileinfo]);
785
            }
786
            var handleCancel = function(e) {
787
                // Delete tmp file
788
                e.preventDefault();
789
                var params = {};
790
                params['newfilename'] = this.process_dlg.dialogdata.newfile.filename;
791
                params['newfilepath'] = this.process_dlg.dialogdata.newfile.filepath;
792
                this.request({
793
                    'params': params,
794
                    'scope': this,
795
                    'action':'deletetmpfile',
796
                    'path': '',
797
                    'client_id': this.options.client_id,
798
                    'repository_id': this.active_repo.id,
799
                    'callback': function(id, o, args) {
800
                        // let it be in background, from user point of view nothing is happenning
801
                    }
802
                }, false);
803
                this.process_dlg.hide();
804
                this.selectui.hide();
805
            }
806
            if (!this.process_dlg) {
807
                this.process_dlg_node = Y.Node.create(M.core_filepicker.templates.processexistingfile);
808
                var node = this.process_dlg_node;
809
                node.generateID();
810
                this.process_dlg = new M.core.dialogue({
811
                    draggable    : true,
812
                    bodyContent  : node,
813
                    headerContent: M.util.get_string('fileexistsdialogheader', 'repository'),
814
                    centered     : true,
815
                    modal        : true,
816
                    visible      : false,
817
                    zIndex       : this.options.zIndex
818
                });
819
                node.one('.fp-dlg-butoverwrite').on('click', handleOverwrite, this);
820
                node.one('.fp-dlg-butrename').on('click', handleRename, this);
821
                node.one('.fp-dlg-butcancel').on('click', handleCancel, this);
822
                if (this.options.env == 'editor') {
823
                    node.one('.fp-dlg-text').setContent(M.util.get_string('fileexistsdialog_editor', 'repository'));
824
                } else {
825
                    node.one('.fp-dlg-text').setContent(M.util.get_string('fileexistsdialog_filemanager', 'repository'));
826
                }
827
            }
828
            this.selectnode.removeClass('loading');
829
            this.process_dlg.dialogdata = data;
830
            this.process_dlg_node.one('.fp-dlg-butrename').setContent(M.util.get_string('renameto', 'repository', data.newfile.filename));
831
            this.process_dlg.show();
832
        },
833
        /** displays error instead of filepicker contents */
834
        display_error: function(errortext, errorcode) {
835
            this.fpnode.one('.fp-content').setContent(M.core_filepicker.templates.error);
836
            this.fpnode.one('.fp-content .fp-error').
837
                addClass(errorcode).
838
                setContent(Y.Escape.html(errortext));
839
        },
840
        /** displays message in a popup */
841
        print_msg: function(msg, type) {
842
            var header = M.util.get_string('error', 'moodle');
843
            if (type != 'error') {
844
                type = 'info'; // one of only two types excepted
845
                header = M.util.get_string('info', 'moodle');
846
            }
847
            if (!this.msg_dlg) {
848
                this.msg_dlg_node = Y.Node.create(M.core_filepicker.templates.message);
849
                this.msg_dlg_node.generateID();
850
 
851
                this.msg_dlg = new M.core.dialogue({
852
                    draggable    : true,
853
                    bodyContent  : this.msg_dlg_node,
854
                    centered     : true,
855
                    modal        : true,
856
                    visible      : false,
857
                    zIndex       : this.options.zIndex
858
                });
859
                this.msg_dlg_node.one('.fp-msg-butok').on('click', function(e) {
860
                    e.preventDefault();
861
                    this.msg_dlg.hide();
862
                }, this);
863
            }
864
 
865
            this.msg_dlg.set('headerContent', header);
866
            this.msg_dlg_node.removeClass('fp-msg-info').removeClass('fp-msg-error').addClass('fp-msg-'+type)
867
            this.msg_dlg_node.one('.fp-msg-text').setContent(Y.Escape.html(msg));
868
            this.msg_dlg.show();
869
        },
870
        view_files: function(appenditems) {
871
            this.viewbar_set_enabled(true);
872
            this.print_path();
873
            /*if ((appenditems == null) && (!this.filelist || !this.filelist.length) && !this.active_repo.hasmorepages) {
874
             // TODO do it via classes and adjust for each view mode!
875
                // If there are no items and no next page, just display status message and quit
876
                this.display_error(M.util.get_string('nofilesavailable', 'repository'), 'nofilesavailable');
877
                return;
878
            }*/
879
            if (this.viewmode == 2) {
880
                this.view_as_list(appenditems);
881
            } else if (this.viewmode == 3) {
882
                this.view_as_table(appenditems);
883
            } else {
884
                this.view_as_icons(appenditems);
885
            }
886
            this.fpnode.one('.fp-content').setAttribute('tabindex', '0');
887
            this.fpnode.one('.fp-content').focus();
888
            // display/hide the link for requesting next page
889
            if (!appenditems && this.active_repo.hasmorepages) {
890
                if (!this.fpnode.one('.fp-content .fp-nextpage')) {
891
                    this.fpnode.one('.fp-content').append(M.core_filepicker.templates.nextpage);
892
                }
893
                this.fpnode.one('.fp-content .fp-nextpage').one('a,button').on('click', function(e) {
894
                    e.preventDefault();
895
                    this.fpnode.one('.fp-content .fp-nextpage').addClass('loading');
896
                    this.request_next_page();
897
                }, this);
898
            }
899
            if (!this.active_repo.hasmorepages && this.fpnode.one('.fp-content .fp-nextpage')) {
900
                this.fpnode.one('.fp-content .fp-nextpage').remove();
901
            }
902
            if (this.fpnode.one('.fp-content .fp-nextpage')) {
903
                this.fpnode.one('.fp-content .fp-nextpage').removeClass('loading');
904
            }
905
            this.content_scrolled();
906
        },
907
        content_scrolled: function(e) {
908
            setTimeout(Y.bind(function() {
909
                if (this.processingimages) {
910
                    return;
911
                }
912
                this.processingimages = true;
913
                var scope = this,
914
                    fpcontent = this.fpnode.one('.fp-content'),
915
                    fpcontenty = fpcontent.getY(),
916
                    fpcontentheight = fpcontent.getStylePx('height'),
917
                    nextpage = fpcontent.one('.fp-nextpage'),
918
                    is_node_visible = function(node) {
919
                        var offset = node.getY()-fpcontenty;
920
                        if (offset <= fpcontentheight && (offset >=0 || offset+node.getStylePx('height')>=0)) {
921
                            return true;
922
                        }
923
                        return false;
924
                    };
925
                // automatically load next page when 'more' link becomes visible
926
                if (nextpage && !nextpage.hasClass('loading') && is_node_visible(nextpage)) {
927
                    nextpage.one('a,button').simulate('click');
928
                }
929
                // replace src for visible images that need to be lazy-loaded
930
                if (scope.lazyloading) {
931
                    fpcontent.all('img').each( function(node) {
932
                        if (node.get('id') && scope.lazyloading[node.get('id')] && is_node_visible(node)) {
933
                            node.setImgRealSrc(scope.lazyloading);
934
                        }
935
                    });
936
                }
937
                this.processingimages = false;
938
            }, this), 200)
939
        },
940
        treeview_dynload: function(node, cb) {
941
            var retrieved_children = {};
942
            if (node.children) {
943
                for (var i in node.children) {
944
                    retrieved_children[node.children[i].path] = node.children[i];
945
                }
946
            }
947
            this.request({
948
                action:'list',
949
                client_id: this.options.client_id,
950
                repository_id: this.active_repo.id,
951
                path:node.path?node.path:'',
952
                page:node.page?args.page:'',
953
                scope:this,
954
                callback: function(id, obj, args) {
955
                    var list = obj.list;
956
                    var scope = args.scope;
957
                    // check that user did not leave the view mode before recieving this response
958
                    if (!(scope.active_repo.id == obj.repo_id && scope.viewmode == 2 && node && node.getChildrenEl())) {
959
                        return;
960
                    }
961
                    if (cb != null) { // (in manual mode do not update current path)
962
                        scope.viewbar_set_enabled(true);
963
                        scope.parse_repository_options(obj);
964
                    }
965
                    node.highlight(false);
966
                    node.origlist = obj.list ? obj.list : null;
967
                    node.origpath = obj.path ? obj.path : null;
968
                    node.children = [];
969
                    for(k in list) {
970
                        if (list[k].children && retrieved_children[list[k].path]) {
971
                            // if this child is a folder and has already been retrieved
972
                            node.children[node.children.length] = retrieved_children[list[k].path];
973
                        } else {
974
                            // append new file to the list
975
                            scope.view_as_list([list[k]]);
976
                        }
977
                    }
978
                    if (cb == null) {
979
                        node.refresh();
980
                    } else {
981
                        // invoke callback requested by TreeView component
982
                        cb();
983
                    }
984
                    scope.content_scrolled();
985
                }
986
            }, false);
987
        },
988
       classnamecallback : function(node) {
989
            var classname = '';
990
            if (node.children) {
991
                classname = classname + ' fp-folder';
992
            }
993
            if (node.isref) {
994
                classname = classname + ' fp-isreference';
995
            }
996
            if (node.iscontrolledlink) {
997
                classname = classname + ' fp-iscontrolledlink';
998
            }
999
            if (node.refcount) {
1000
                classname = classname + ' fp-hasreferences';
1001
            }
1002
            if (node.originalmissing) {
1003
                classname = classname + ' fp-originalmissing';
1004
            }
1005
            return Y.Lang.trim(classname);
1006
        },
1007
        /** displays list of files in tree (list) view mode. If param appenditems is specified,
1008
         * appends those items to the end of the list. Otherwise (default behaviour)
1009
         * clears the contents and displays the items from this.filelist */
1010
        view_as_list: function(appenditems) {
1011
            var list = (appenditems != null) ? appenditems : this.filelist;
1012
            this.viewmode = 2;
1013
            if (!this.filelist || this.filelist.length==0 && (!this.filepath || !this.filepath.length)) {
1014
                this.display_error(M.util.get_string('nofilesavailable', 'repository'), 'nofilesavailable');
1015
                return;
1016
            }
1017
 
1018
            var element_template = Y.Node.create(M.core_filepicker.templates.listfilename);
1019
            var options = {
1020
                viewmode : this.viewmode,
1021
                appendonly : (appenditems != null),
1022
                filenode : element_template,
1023
                callbackcontext : this,
1024
                callback : function(e, node) {
1025
                    // TODO MDL-32736 e is not an event here but an object with properties 'event' and 'node'
1026
                    if (!node.children) {
1027
                        if (e.node.parent && e.node.parent.origpath) {
1028
                            // set the current path
1029
                            this.filepath = e.node.parent.origpath;
1030
                            this.filelist = e.node.parent.origlist;
1031
                            this.print_path();
1032
                        }
1033
                        this.select_file(node);
1034
                    } else {
1035
                        // save current path and filelist (in case we want to jump to other viewmode)
1036
                        this.filepath = e.node.origpath;
1037
                        this.filelist = e.node.origlist;
1038
                        this.currentpath = e.node.path;
1039
                        this.print_path();
1040
                        this.content_scrolled();
1041
                    }
1042
                },
1043
                classnamecallback : this.classnamecallback,
1044
                dynload : this.active_repo.dynload,
1045
                filepath : this.filepath,
1046
                treeview_dynload : this.treeview_dynload
1047
            };
1048
            this.fpnode.one('.fp-content').fp_display_filelist(options, list, this.lazyloading);
1049
        },
1050
        /** displays list of files in icon view mode. If param appenditems is specified,
1051
         * appends those items to the end of the list. Otherwise (default behaviour)
1052
         * clears the contents and displays the items from this.filelist */
1053
        view_as_icons: function(appenditems) {
1054
            this.viewmode = 1;
1055
            var list = (appenditems != null) ? appenditems : this.filelist;
1056
            var element_template = Y.Node.create(M.core_filepicker.templates.iconfilename);
1057
            if ((appenditems == null) && (!this.filelist || !this.filelist.length)) {
1058
                this.display_error(M.util.get_string('nofilesavailable', 'repository'), 'nofilesavailable');
1059
                return;
1060
            }
1061
            var options = {
1062
                viewmode : this.viewmode,
1063
                appendonly : (appenditems != null),
1064
                filenode : element_template,
1065
                callbackcontext : this,
1066
                callback : function(e, node) {
1067
                    if (e.preventDefault) {
1068
                        e.preventDefault();
1069
                    }
1070
                    if(node.children) {
1071
                        if (this.active_repo.dynload) {
1072
                            this.list({'path':node.path});
1073
                        } else {
1074
                            this.filelist = node.children;
1075
                            this.view_files();
1076
                        }
1077
                    } else {
1078
                        this.select_file(node);
1079
                    }
1080
                },
1081
                classnamecallback : this.classnamecallback
1082
            };
1083
            this.fpnode.one('.fp-content').fp_display_filelist(options, list, this.lazyloading);
1084
        },
1085
        /** displays list of files in table view mode. If param appenditems is specified,
1086
         * appends those items to the end of the list. Otherwise (default behaviour)
1087
         * clears the contents and displays the items from this.filelist */
1088
        view_as_table: function(appenditems) {
1089
            this.viewmode = 3;
1090
            var list = (appenditems != null) ? appenditems : this.filelist;
1091
            if (!appenditems && (!this.filelist || this.filelist.length==0) && !this.active_repo.hasmorepages) {
1092
                this.display_error(M.util.get_string('nofilesavailable', 'repository'), 'nofilesavailable');
1093
                return;
1094
            }
1095
            var element_template = Y.Node.create(M.core_filepicker.templates.listfilename);
1096
            var options = {
1097
                viewmode : this.viewmode,
1098
                appendonly : (appenditems != null),
1099
                filenode : element_template,
1100
                callbackcontext : this,
1101
                sortable : !this.active_repo.hasmorepages,
1102
                callback : function(e, node) {
1103
                    if (e.preventDefault) {e.preventDefault();}
1104
                    if (node.children) {
1105
                        if (this.active_repo.dynload) {
1106
                            this.list({'path':node.path});
1107
                        } else {
1108
                            this.filelist = node.children;
1109
                            this.view_files();
1110
                        }
1111
                    } else {
1112
                        this.select_file(node);
1113
                    }
1114
                },
1115
                classnamecallback : this.classnamecallback
1116
            };
1117
            this.fpnode.one('.fp-content').fp_display_filelist(options, list, this.lazyloading);
1118
        },
1119
        /** If more than one page available, requests and displays the files from the next page */
1120
        request_next_page: function() {
1121
            if (!this.active_repo.hasmorepages || this.active_repo.nextpagerequested) {
1122
                // nothing to load
1123
                return;
1124
            }
1125
            this.active_repo.nextpagerequested = true;
1126
            var nextpage = this.active_repo.page+1;
1127
            var args = {
1128
                page: nextpage,
1129
                repo_id: this.active_repo.id
1130
            };
1131
            var action = this.active_repo.issearchresult ? 'search' : 'list';
1132
            this.request({
1133
                path: this.currentpath,
1134
                scope: this,
1135
                action: action,
1136
                client_id: this.options.client_id,
1137
                repository_id: args.repo_id,
1138
                params: args,
1139
                callback: function(id, obj, args) {
1140
                    var scope = args.scope;
1141
                    // Check that we are still in the same repository and are expecting this page. We have no way
1142
                    // to compare the requested page and the one returned, so we assume that if the last chunk
1143
                    // of the breadcrumb is similar, then we probably are on the same page.
1144
                    var samepage = true;
1145
                    if (obj.path && scope.filepath) {
1146
                        var pathbefore = scope.filepath[scope.filepath.length-1];
1147
                        var pathafter = obj.path[obj.path.length-1];
1148
                        if (pathbefore.path != pathafter.path) {
1149
                            samepage = false;
1150
                        }
1151
                    }
1152
                    if (scope.active_repo.hasmorepages && obj.list && obj.page &&
1153
                            obj.repo_id == scope.active_repo.id &&
1154
                            obj.page == scope.active_repo.page+1 && samepage) {
1155
                        scope.parse_repository_options(obj, true);
1156
                        scope.view_files(obj.list)
1157
                    }
1158
                }
1159
            }, false);
1160
        },
1161
        select_file: function(args) {
1162
            var argstitle = args.shorttitle ? args.shorttitle : args.title;
1163
            // Limit the string length so it fits nicely on mobile devices
1164
            var titlelength = 30;
1165
            if (argstitle.length > titlelength) {
1166
                argstitle = argstitle.substring(0, titlelength) + '...';
1167
            }
1168
            Y.one('#fp-file_label_'+this.options.client_id).setContent(Y.Escape.html(M.util.get_string('select', 'repository')+' '+argstitle));
1169
            this.selectui.show();
1170
            Y.one('#'+this.selectnode.get('id')).focus();
1171
            var client_id = this.options.client_id;
1172
            var selectnode = this.selectnode;
1173
            var return_types = this.options.repositories[this.active_repo.id].return_types;
1174
            selectnode.removeClass('loading');
1175
            selectnode.one('.fp-saveas input').set('value', args.title);
1176
 
1177
            var imgnode = Y.Node.create('<img/>').
1178
                set('src', args.realthumbnail ? args.realthumbnail : args.thumbnail).
1179
                setStyle('maxHeight', ''+(args.thumbnail_height ? args.thumbnail_height : 90)+'px').
1180
                setStyle('maxWidth', ''+(args.thumbnail_width ? args.thumbnail_width : 90)+'px');
1181
            selectnode.one('.fp-thumbnail').setContent('').appendChild(imgnode);
1182
 
1183
            // filelink is the array of file-link-types available for this repository in this env
1184
            var filelinktypes = [2/*FILE_INTERNAL*/,1/*FILE_EXTERNAL*/,4/*FILE_REFERENCE*/,8/*FILE_CONTROLLED_LINK*/];
1185
            var filelink = {}, firstfilelink = null, filelinkcount = 0;
1186
            for (var i in filelinktypes) {
1187
                var allowed = (return_types & filelinktypes[i]) &&
1188
                    (this.options.return_types & filelinktypes[i]);
1189
                if (filelinktypes[i] == 1/*FILE_EXTERNAL*/ && !this.options.externallink && this.options.env == 'editor') {
1190
                    // special configuration setting 'repositoryallowexternallinks' may prevent
1191
                    // using external links in editor environment
1192
                    allowed = false;
1193
                }
1194
                filelink[filelinktypes[i]] = allowed;
1195
                firstfilelink = (firstfilelink==null && allowed) ? filelinktypes[i] : firstfilelink;
1196
                filelinkcount += allowed ? 1 : 0;
1197
            }
1198
            var defaultreturntype = this.options.repositories[this.active_repo.id].defaultreturntype;
1199
            if (defaultreturntype) {
1200
                if (filelink[defaultreturntype]) {
1201
                    firstfilelink = defaultreturntype;
1202
                }
1203
            }
1204
            // make radio buttons enabled if this file-link-type is available and only if there are more than one file-link-type option
1205
            // check the first available file-link-type option
1206
            for (var linktype in filelink) {
1207
                var el = selectnode.one('.fp-linktype-'+linktype);
1208
                el.addClassIf('uneditable', !(filelink[linktype] && filelinkcount>1));
1209
                el.one('input').set('checked', (firstfilelink == linktype) ? 'checked' : '').simulate('change');
1210
            }
1211
 
1212
            // TODO MDL-32532: attributes 'hasauthor' and 'haslicense' need to be obsolete,
1213
            selectnode.one('.fp-setauthor input').set('value', args.author ? args.author : this.options.author);
1214
            this.populateLicensesSelect(selectnode.one('.fp-setlicense select'), args);
1215
            selectnode.one('form #filesource-'+client_id).set('value', args.source);
1216
            selectnode.one('form #filesourcekey-'+client_id).set('value', args.sourcekey);
1217
 
1218
            // display static information about a file (when known)
1219
            var attrs = ['datemodified','datecreated','size','license','author','dimensions'];
1220
            for (var i in attrs) {
1221
                if (selectnode.one('.fp-'+attrs[i])) {
1222
                    var value = (args[attrs[i]+'_f']) ? args[attrs[i]+'_f'] : (args[attrs[i]] ? args[attrs[i]] : '');
1223
                    selectnode.one('.fp-'+attrs[i]).addClassIf('fp-unknown', ''+value == '')
1224
                        .one('.fp-value').setContent(Y.Escape.html(value));
1225
                }
1226
            }
1227
        },
1228
        setup_select_file: function() {
1229
            var client_id = this.options.client_id;
1230
            var selectnode = this.selectnode;
1231
            var getfile = selectnode.one('.fp-select-confirm');
1232
            var filePickerHelper = this;
1233
            // bind labels with corresponding inputs
1234
            selectnode.all('.fp-saveas,.fp-linktype-2,.fp-linktype-1,.fp-linktype-4,fp-linktype-8,.fp-setauthor,.fp-setlicense').each(function (node) {
1235
                node.all('label').set('for', node.one('input,select').generateID());
1236
            });
1237
            selectnode.one('.fp-linktype-2 input').setAttrs({value: 2, name: 'linktype'});
1238
            selectnode.one('.fp-linktype-1 input').setAttrs({value: 1, name: 'linktype'});
1239
            selectnode.one('.fp-linktype-4 input').setAttrs({value: 4, name: 'linktype'});
1240
            selectnode.one('.fp-linktype-8 input').setAttrs({value: 8, name: 'linktype'});
1241
            var changelinktype = function(e) {
1242
                if (e.currentTarget.get('checked')) {
1243
                    var allowinputs = e.currentTarget.get('value') != 1/*FILE_EXTERNAL*/;
1244
                    selectnode.all('.fp-setauthor,.fp-setlicense,.fp-saveas').each(function(node){
1245
                        node.addClassIf('uneditable', !allowinputs);
1246
                        node.all('input,select').set('disabled', allowinputs?'':'disabled');
1247
                    });
1248
 
1249
                    // If the link to the file is selected, only then.
1250
                    // Remember: this is not to be done for all repos.
1251
                    // Only for those repos where the filereferencewarning is set.
1252
                    // The value 4 represents FILE_REFERENCE here.
1253
                    if (e.currentTarget.get('value') === '4') {
1254
                        var filereferencewarning = filePickerHelper.active_repo.filereferencewarning;
1255
                        if (filereferencewarning) {
1256
                            var fileReferenceNode = e.currentTarget.ancestor('.fp-linktype-4');
1257
                            var fileReferenceWarningNode = Y.Node.create('<div/>').
1258
                                addClass('alert alert-warning px-3 py-1 my-1 small').
1259
                                setAttrs({role: 'alert'}).
1260
                                setContent(filereferencewarning);
1261
                            fileReferenceNode.append(fileReferenceWarningNode);
1262
                        }
1263
                    } else {
1264
                        var fileReferenceInput = selectnode.one('.fp-linktype-4 input');
1265
                        var fileReferenceWarningNode = fileReferenceInput.ancestor('.fp-linktype-4').one('.alert-warning');
1266
                        if (fileReferenceWarningNode) {
1267
                            fileReferenceWarningNode.remove();
1268
                        }
1269
                    }
1270
                }
1271
            };
1272
            selectnode.all('.fp-linktype-2,.fp-linktype-1,.fp-linktype-4,.fp-linktype-8').each(function (node) {
1273
                node.one('input').on('change', changelinktype, this);
1274
            });
1275
            // register event on clicking submit button
1276
            getfile.on('click', function(e) {
1277
                e.preventDefault();
1278
                var client_id = this.options.client_id;
1279
                var scope = this;
1280
                var repository_id = this.active_repo.id;
1281
                var title = selectnode.one('.fp-saveas input').get('value');
1282
                var filesource = selectnode.one('form #filesource-'+client_id).get('value');
1283
                var filesourcekey = selectnode.one('form #filesourcekey-'+client_id).get('value');
1284
                var params = {'title':title, 'source':filesource, 'savepath': this.options.savepath, sourcekey: filesourcekey};
1285
                var license = selectnode.one('.fp-setlicense select');
1286
                if (license) {
1287
                    params['license'] = license.get('value');
1288
                    var origlicense = selectnode.one('.fp-license .fp-value');
1289
                    if (origlicense) {
1290
                        origlicense = origlicense.getContent();
1291
                    }
1292
                    if (this.options.rememberuserlicensepref) {
1293
                        this.set_preference('recentlicense', license.get('value'));
1294
                    }
1295
                }
1296
                params['author'] = selectnode.one('.fp-setauthor input').get('value');
1297
 
1298
                var return_types = this.options.repositories[this.active_repo.id].return_types;
1299
                if (this.options.env == 'editor') {
1300
                    // in editor, images are stored in '/' only
1301
                    params.savepath = '/';
1302
                }
1303
                if ((this.options.externallink || this.options.env != 'editor') &&
1304
                            (return_types & 1/*FILE_EXTERNAL*/) &&
1305
                            (this.options.return_types & 1/*FILE_EXTERNAL*/) &&
1306
                            selectnode.one('.fp-linktype-1 input').get('checked')) {
1307
                    params['linkexternal'] = 'yes';
1308
                } else if ((return_types & 4/*FILE_REFERENCE*/) &&
1309
                        (this.options.return_types & 4/*FILE_REFERENCE*/) &&
1310
                        selectnode.one('.fp-linktype-4 input').get('checked')) {
1311
                    params['usefilereference'] = '1';
1312
                } else if ((return_types & 8/*FILE_CONTROLLED_LINK*/) &&
1313
                        (this.options.return_types & 8/*FILE_CONTROLLED_LINK*/) &&
1314
                        selectnode.one('.fp-linktype-8 input').get('checked')) {
1315
                    params['usecontrolledlink'] = '1';
1316
                }
1317
 
1318
                selectnode.addClass('loading');
1319
                this.request({
1320
                    action:'download',
1321
                    client_id: client_id,
1322
                    repository_id: repository_id,
1323
                    'params': params,
1324
                    onerror: function(id, obj, args) {
1325
                        selectnode.removeClass('loading');
1326
                        scope.selectui.hide();
1327
                    },
1328
                    callback: function(id, obj, args) {
1329
                        selectnode.removeClass('loading');
1330
                        if (obj.event == 'fileexists') {
1331
                            scope.process_existing_file(obj);
1332
                            return;
1333
                        }
1334
                        if (scope.options.editor_target && scope.options.env=='editor') {
1335
                            scope.options.editor_target.value=obj.url;
1336
                            scope.options.editor_target.dispatchEvent(new Event('change'), {'bubbles': true});
1337
                        }
1338
                        scope.hide();
1339
                        obj.client_id = client_id;
1340
                        var formcallback_scope = args.scope.options.magicscope ? args.scope.options.magicscope : args.scope;
1341
                        scope.options.formcallback.apply(formcallback_scope, [obj]);
1342
                    }
1343
                }, false);
1344
            }, this);
1345
            var elform = selectnode.one('form');
1346
            elform.appendChild(Y.Node.create('<input/>').
1347
                setAttrs({type:'hidden',id:'filesource-'+client_id}));
1348
            elform.appendChild(Y.Node.create('<input/>').
1349
                setAttrs({type:'hidden',id:'filesourcekey-'+client_id}));
1350
            elform.on('keydown', function(e) {
1351
                if (e.keyCode == 13) {
1352
                    getfile.simulate('click');
1353
                    e.preventDefault();
1354
                }
1355
            }, this);
1356
            var cancel = selectnode.one('.fp-select-cancel');
1357
            cancel.on('click', function(e) {
1358
                e.preventDefault();
1359
                this.selectui.hide();
1360
            }, this);
1361
        },
1362
        wait: function() {
1363
            // First check there isn't already an interval in play, and if there is kill it now.
1364
            if (this.waitinterval != null) {
1365
                clearInterval(this.waitinterval);
1366
            }
1367
            // Prepare the root node we will set content for and the loading template we want to display as a YUI node.
1368
            var root = this.fpnode.one('.fp-content');
1369
            var content = Y.Node.create(M.core_filepicker.templates.loading).addClass('fp-content-hidden').setStyle('opacity', 0);
1370
            var count = 0;
1371
            // Initiate an interval, we will have a count which will increment every 100 milliseconds.
1372
            // Count 0 - the loading icon will have visibility set to hidden (invisible) and have an opacity of 0 (invisible also)
1373
            // Count 5 - the visiblity will be switched to visible but opacity will still be at 0 (inivisible)
1374
            // Counts 6 - 15 opacity will be increased by 0.1 making the loading icon visible over the period of a second
1375
            // Count 16 - The interval will be cancelled.
1376
            var interval = setInterval(function(){
1377
                if (!content || !root.contains(content) || count >= 15) {
1378
                    clearInterval(interval);
1379
                    return true;
1380
                }
1381
                if (count == 5) {
1382
                    content.removeClass('fp-content-hidden');
1383
                } else if (count > 5) {
1384
                    var opacity = parseFloat(content.getStyle('opacity'));
1385
                    content.setStyle('opacity', opacity + 0.1);
1386
                }
1387
                count++;
1388
                return false;
1389
            }, 100);
1390
            // Store the wait interval so that we can check it in the future.
1391
            this.waitinterval = interval;
1392
            // Set the content to the loading template.
1393
            root.setContent(content);
1394
        },
1395
        viewbar_set_enabled: function(mode) {
1396
            var viewbar = this.fpnode.one('.fp-viewbar')
1397
            if (viewbar) {
1398
                if (mode) {
1399
                    viewbar.addClass('enabled').removeClass('disabled');
1400
                    this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').setAttribute("aria-disabled", "false");
1401
                    this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').setAttribute("tabindex", "");
1402
                } else {
1403
                    viewbar.removeClass('enabled').addClass('disabled');
1404
                    this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').setAttribute("aria-disabled", "true");
1405
                    this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').setAttribute("tabindex", "-1");
1406
                }
1407
            }
1408
            this.fpnode.all('.fp-vb-icons,.fp-vb-tree,.fp-vb-details').removeClass('checked');
1409
            var modes = {1:'icons', 2:'tree', 3:'details'};
1410
            this.fpnode.all('.fp-vb-'+modes[this.viewmode]).addClass('checked');
1411
        },
1412
        viewbar_clicked: function(e) {
1413
            e.preventDefault();
1414
            var viewbar = this.fpnode.one('.fp-viewbar')
1415
            if (!viewbar || !viewbar.hasClass('disabled')) {
1416
                if (e.currentTarget.hasClass('fp-vb-tree')) {
1417
                    this.viewmode = 2;
1418
                } else if (e.currentTarget.hasClass('fp-vb-details')) {
1419
                    this.viewmode = 3;
1420
                } else {
1421
                    this.viewmode = 1;
1422
                }
1423
                this.viewbar_set_enabled(true)
1424
                this.view_files();
1425
                this.set_preference('recentviewmode', this.viewmode);
1426
            }
1427
        },
1428
        render: function() {
1429
            var client_id = this.options.client_id;
1430
            var fpid = "filepicker-"+ client_id;
1431
            var labelid = 'fp-dialog-label_'+ client_id;
1432
            var width = 873;
1433
            var draggable = true;
1434
            this.fpnode = Y.Node.create(M.core_filepicker.templates.generallayout).
1435
                set('id', 'filepicker-'+client_id).set('aria-labelledby', labelid);
1436
 
1437
            if (this.in_iframe()) {
1438
                width = Math.floor(window.innerWidth * 0.95);
1439
                draggable = false;
1440
            }
1441
 
1442
            this.mainui = new M.core.dialogue({
1443
                extraClasses : ['filepicker'],
1444
                draggable    : draggable,
1445
                bodyContent  : this.fpnode,
1446
                headerContent: '<h3 id="'+ labelid +'">'+ M.util.get_string('filepicker', 'repository') +'</h3>',
1447
                centered     : true,
1448
                modal        : true,
1449
                visible      : false,
1450
                width        : width+'px',
1451
                responsiveWidth : 768,
1452
                height       : '558px',
1453
                zIndex       : this.options.zIndex,
1454
                focusOnPreviousTargetAfterHide: true,
1455
                focusAfterHide: this.options.previousActiveElement
1456
            });
1457
 
1458
            // create panel for selecting a file (initially hidden)
1459
            this.selectnode = Y.Node.create(M.core_filepicker.templates.selectlayout).
1460
                set('id', 'filepicker-select-'+client_id).
1461
                set('aria-live', 'assertive').
1462
                set('role', 'dialog');
1463
 
1464
            var fplabel = 'fp-file_label_'+ client_id;
1465
            this.selectui = new M.core.dialogue({
1466
                headerContent: '<h3 id="' + fplabel +'">'+M.util.get_string('select', 'repository')+'</h3>',
1467
                draggable    : true,
1468
                width        : '450px',
1469
                bodyContent  : this.selectnode,
1470
                centered     : true,
1471
                modal        : true,
1472
                visible      : false,
1473
                zIndex       : this.options.zIndex
1474
            });
1475
            Y.one('#'+this.selectnode.get('id')).setAttribute('aria-labelledby', fplabel);
1476
            // event handler for lazy loading of thumbnails and next page
1477
            this.fpnode.one('.fp-content').on(['scroll','resize'], this.content_scrolled, this);
1478
            // save template for one path element and location of path bar
1479
            if (this.fpnode.one('.fp-path-folder')) {
1480
                this.pathnode = this.fpnode.one('.fp-path-folder');
1481
                this.pathbar = this.pathnode.get('parentNode');
1482
                this.pathbar.removeChild(this.pathnode);
1483
            }
1484
            // assign callbacks for view mode switch buttons
1485
            this.fpnode.one('.fp-vb-icons').on('click', this.viewbar_clicked, this);
1486
            this.fpnode.one('.fp-vb-tree').on('click', this.viewbar_clicked, this);
1487
            this.fpnode.one('.fp-vb-details').on('click', this.viewbar_clicked, this);
1488
 
1489
            // assign callbacks for toolbar links
1490
            this.setup_toolbar();
1491
            this.setup_select_file();
1492
            this.hide_header();
1493
 
1494
            // processing repository listing
1495
            // Resort the repositories by sortorder
1496
            var sorted_repositories = [];
1497
            var i;
1498
            for (i in this.options.repositories) {
1499
                sorted_repositories[i] = this.options.repositories[i];
1500
            }
1501
            sorted_repositories.sort(function(a,b){return a.sortorder-b.sortorder});
1502
            // extract one repository template and repeat it for all repositories available,
1503
            // set name and icon and assign callbacks
1504
            var reponode = this.fpnode.one('.fp-repo');
1505
            if (reponode) {
1506
                var list = reponode.get('parentNode');
1507
                list.removeChild(reponode);
1508
                for (i in sorted_repositories) {
1509
                    var repository = sorted_repositories[i];
1510
                    var h = (parseInt(i) == 0) ? parseInt(i) : parseInt(i) - 1,
1511
                        j = (parseInt(i) == Object.keys(sorted_repositories).length - 1) ? parseInt(i) : parseInt(i) + 1;
1512
                    var previousrepository = sorted_repositories[h];
1513
                    var nextrepository = sorted_repositories[j];
1514
                    var node = reponode.cloneNode(true);
1515
                    list.appendChild(node);
1516
                    node.
1517
                        set('id', 'fp-repo-'+client_id+'-'+repository.id).
1518
                        on('click', function(e, repository_id) {
1519
                            e.preventDefault();
1520
                            this.set_preference('recentrepository', repository_id);
1521
                            this.hide_header();
1522
                            this.list({'repo_id':repository_id});
1523
                        }, this /*handler running scope*/, repository.id/*second argument of handler*/);
1524
                    node.on('key', function(e, previousrepositoryid, nextrepositoryid, clientid, repositoryid) {
1525
                        this.changeHighlightedRepository(e, clientid, repositoryid, previousrepositoryid, nextrepositoryid);
1526
                    }, 'down:38,40', this, previousrepository.id, nextrepository.id, client_id, repository.id);
1527
                    node.on('key', function(e, repositoryid) {
1528
                        e.preventDefault();
1529
                        this.set_preference('recentrepository', repositoryid);
1530
                        this.hide_header();
1531
                        this.list({'repo_id': repositoryid});
1532
                    }, 'enter', this, repository.id);
1533
                    node.one('.fp-repo-name').setContent(Y.Escape.html(repository.name));
1534
                    node.one('.fp-repo-icon').set('src', repository.icon);
1535
                    if (i==0) {
1536
                        node.addClass('first');
1537
                    }
1538
                    if (i==sorted_repositories.length-1) {
1539
                        node.addClass('last');
1540
                    }
1541
                    if (i%2) {
1542
                        node.addClass('even');
1543
                    } else {
1544
                        node.addClass('odd');
1545
                    }
1546
                }
1547
            }
1548
            // display error if no repositories found
1549
            if (sorted_repositories.length==0) {
1550
                this.display_error(M.util.get_string('norepositoriesavailable', 'repository'), 'norepositoriesavailable')
1551
            }
1552
            // display repository that was used last time
1553
            this.mainui.show();
1554
            this.show_recent_repository();
1555
        },
1556
        /**
1557
         * Change the highlighted repository to a new one.
1558
         *
1559
         * @param  {object} event The key event
1560
         * @param  {integer} clientid The client id to identify the repo class.
1561
         * @param  {integer} oldrepositoryid The repository id that we are removing the highlight for
1562
         * @param  {integer} previousrepositoryid The previous repository id.
1563
         * @param  {integer} nextrepositoryid The next repository id.
1564
         */
1565
        changeHighlightedRepository: function(event, clientid, oldrepositoryid, previousrepositoryid, nextrepositoryid) {
1566
            event.preventDefault();
1567
            var newrepositoryid = (event.keyCode == '40') ? nextrepositoryid : previousrepositoryid;
1568
            this.fpnode.one('#fp-repo-' + clientid + '-' + oldrepositoryid).setAttribute('tabindex', '-1');
1569
            this.fpnode.one('#fp-repo-' + clientid + '-' + newrepositoryid)
1570
                    .setAttribute('tabindex', '0')
1571
                    .focus();
1572
        },
1573
        parse_repository_options: function(data, appendtolist) {
1574
            if (appendtolist) {
1575
                if (data.list) {
1576
                    if (!this.filelist) {
1577
                        this.filelist = [];
1578
                    }
1579
                    for (var i in data.list) {
1580
                        this.filelist[this.filelist.length] = data.list[i];
1581
                    }
1582
                }
1583
            } else {
1584
                this.filelist = data.list?data.list:null;
1585
                this.lazyloading = {};
1586
            }
1587
            this.filepath = data.path?data.path:null;
1588
            this.objecttag = data.object?data.object:null;
1589
            this.active_repo = {};
1590
            this.active_repo.issearchresult = data.issearchresult ? true : false;
1591
            this.active_repo.defaultreturntype = data.defaultreturntype?data.defaultreturntype:null;
1592
            this.active_repo.dynload = data.dynload?data.dynload:false;
1593
            this.active_repo.pages = Number(data.pages?data.pages:null);
1594
            this.active_repo.page = Number(data.page?data.page:null);
1595
            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))
1596
            this.active_repo.id = data.repo_id?data.repo_id:null;
1597
            this.active_repo.nosearch = (data.login || data.nosearch); // this is either login form or 'nosearch' attribute set
1598
            this.active_repo.norefresh = (data.login || data.norefresh); // this is either login form or 'norefresh' attribute set
1599
            this.active_repo.nologin = (data.login || data.nologin); // this is either login form or 'nologin' attribute is set
1600
            this.active_repo.logouttext = data.logouttext?data.logouttext:null;
1601
            this.active_repo.logouturl = (data.logouturl || '');
1602
            this.active_repo.message = (data.message || '');
1603
            this.active_repo.help = data.help?data.help:null;
1604
            this.active_repo.manage = data.manage?data.manage:null;
1605
            // Warning message related to the file reference option, if applicable to the given repository.
1606
            this.active_repo.filereferencewarning = data.filereferencewarning ? data.filereferencewarning : null;
1607
            this.print_header();
1608
        },
1609
        print_login: function(data) {
1610
            this.parse_repository_options(data);
1611
            var client_id = this.options.client_id;
1612
            var repository_id = data.repo_id;
1613
            var l = this.logindata = data.login;
1614
            var loginurl = '';
1615
            var action = data['login_btn_action'] ? data['login_btn_action'] : 'login';
1616
            var form_id = 'fp-form-'+client_id;
1617
 
1618
            var loginform_node = Y.Node.create(M.core_filepicker.templates.loginform);
1619
            loginform_node.one('form').set('id', form_id);
1620
            this.fpnode.one('.fp-content').setContent('').appendChild(loginform_node);
1621
            var templates = {
1622
                'popup' : loginform_node.one('.fp-login-popup'),
1623
                'textarea' : loginform_node.one('.fp-login-textarea'),
1624
                'select' : loginform_node.one('.fp-login-select'),
1625
                'text' : loginform_node.one('.fp-login-text'),
1626
                'radio' : loginform_node.one('.fp-login-radiogroup'),
1627
                'checkbox' : loginform_node.one('.fp-login-checkbox'),
1628
                'input' : loginform_node.one('.fp-login-input')
1629
            };
1630
            var container;
1631
            for (var i in templates) {
1632
                if (templates[i]) {
1633
                    container = templates[i].get('parentNode');
1634
                    container.removeChild(templates[i]);
1635
                }
1636
            }
1637
 
1638
            for(var k in l) {
1639
                if (templates[l[k].type]) {
1640
                    var node = templates[l[k].type].cloneNode(true);
1641
                } else {
1642
                    node = templates['input'].cloneNode(true);
1643
                }
1644
                if (l[k].type == 'popup') {
1645
                    // submit button
1646
                    loginurl = l[k].url;
1647
                    var popupbutton = node.one('button');
1648
                    popupbutton.on('click', function(e){
1649
                        M.core_filepicker.active_filepicker = this;
1650
                        window.open(loginurl, 'repo_auth', 'location=0,status=0,width=500,height=300,scrollbars=yes');
1651
                        e.preventDefault();
1652
                    }, this);
1653
                    loginform_node.one('form').on('keydown', function(e) {
1654
                        if (e.keyCode == 13) {
1655
                            popupbutton.simulate('click');
1656
                            e.preventDefault();
1657
                        }
1658
                    }, this);
1659
                    loginform_node.all('.fp-login-submit').remove();
1660
                    action = 'popup';
1661
                } else if(l[k].type=='textarea') {
1662
                    // textarea element
1663
                    if (node.one('label')) {
1664
                        node.one('label').set('for', l[k].id).setContent(l[k].label);
1665
                    }
1666
                    node.one('textarea').setAttrs({id:l[k].id, name:l[k].name});
1667
                } else if(l[k].type=='select') {
1668
                    // select element
1669
                    if (node.one('label')) {
1670
                        node.one('label').set('for', l[k].id).setContent(l[k].label);
1671
                    }
1672
                    node.one('select').setAttrs({id:l[k].id, name:l[k].name}).setContent('');
1673
                    for (i in l[k].options) {
1674
                        node.one('select').appendChild(
1675
                            Y.Node.create('<option/>').
1676
                                set('value', l[k].options[i].value).
1677
                                setContent(l[k].options[i].label));
1678
                    }
1679
                } else if(l[k].type=='radio') {
1680
                    // radio input element
1681
                    node.all('label').setContent(l[k].label);
1682
                    var list = l[k].value.split('|');
1683
                    var labels = l[k].value_label.split('|');
1684
                    var radionode = null;
1685
                    for(var item in list) {
1686
                        if (radionode == null) {
1687
                            radionode = node.one('.fp-login-radio');
1688
                            radionode.one('input').set('checked', 'checked');
1689
                        } else {
1690
                            var x = radionode.cloneNode(true);
1691
                            radionode.insert(x, 'after');
1692
                            radionode = x;
1693
                            radionode.one('input').set('checked', '');
1694
                        }
1695
                        radionode.one('input').setAttrs({id:''+l[k].id+item, name:l[k].name,
1696
                            type:l[k].type, value:list[item]});
1697
                        radionode.all('label').setContent(labels[item]).set('for', ''+l[k].id+item)
1698
                    }
1699
                    if (radionode == null) {
1700
                        node.one('.fp-login-radio').remove();
1701
                    }
1702
                } else {
1703
                    // input element
1704
                    if (node.one('label')) { node.one('label').set('for', l[k].id).setContent(l[k].label) }
1705
                    node.one('input').
1706
                        set('type', l[k].type).
1707
                        set('id', l[k].id).
1708
                        set('name', l[k].name).
1709
                        set('value', l[k].value?l[k].value:'')
1710
                }
1711
                container.appendChild(node);
1712
            }
1713
            // custom label text for submit button
1714
            if (data['login_btn_label']) {
1715
                loginform_node.all('.fp-login-submit').setContent(data['login_btn_label'])
1716
            }
1717
            // register button action for login and search
1718
            if (action == 'login' || action == 'search') {
1719
                loginform_node.one('.fp-login-submit').on('click', function(e){
1720
                    e.preventDefault();
1721
                    this.hide_header();
1722
                    this.request({
1723
                        'scope': this,
1724
                        'action':(action == 'search') ? 'search' : 'signin',
1725
                        'path': '',
1726
                        'client_id': client_id,
1727
                        'repository_id': repository_id,
1728
                        'form': {id:form_id, upload:false, useDisabled:true},
1729
                        'callback': this.display_response
1730
                    }, true);
1731
                }, this);
1732
            }
1733
            // if 'Enter' is pressed in the form, simulate the button click
1734
            if (loginform_node.one('.fp-login-submit')) {
1735
                loginform_node.one('form').on('keydown', function(e) {
1736
                    if (e.keyCode == 13) {
1737
                        loginform_node.one('.fp-login-submit').simulate('click')
1738
                        e.preventDefault();
1739
                    }
1740
                }, this);
1741
            }
1742
        },
1743
        display_response: function(id, obj, args) {
1744
            var scope = args.scope;
1745
            // highlight the current repository in repositories list
1746
            scope.fpnode.all('.fp-repo.active')
1747
                    .removeClass('active')
1748
                    .setAttribute('aria-selected', 'false')
1749
                    .setAttribute('tabindex', '-1');
1750
            scope.fpnode.all('.nav-link')
1751
                    .removeClass('active')
1752
                    .setAttribute('aria-selected', 'false')
1753
                    .setAttribute('tabindex', '-1');
1754
            var activenode = scope.fpnode.one('#fp-repo-' + scope.options.client_id + '-' + obj.repo_id);
1755
            activenode.addClass('active')
1756
                    .setAttribute('aria-selected', 'true')
1757
                    .setAttribute('tabindex', '0');
1758
            activenode.all('.nav-link').addClass('active');
1759
            // add class repository_REPTYPE to the filepicker (for repository-specific styles)
1760
            for (var i in scope.options.repositories) {
1761
                scope.fpnode.removeClass('repository_'+scope.options.repositories[i].type)
1762
            }
1763
            if (obj.repo_id && scope.options.repositories[obj.repo_id]) {
1764
                scope.fpnode.addClass('repository_'+scope.options.repositories[obj.repo_id].type)
1765
            }
1766
            Y.one('.file-picker .fp-repo-items').focus();
1767
 
1768
            // display response
1769
            if (obj.login) {
1770
                scope.viewbar_set_enabled(false);
1771
                scope.print_login(obj);
1772
            } else if (obj.upload) {
1773
                scope.viewbar_set_enabled(false);
1774
                scope.parse_repository_options(obj);
1775
                scope.create_upload_form(obj);
1776
            } else if (obj.object) {
1777
                M.core_filepicker.active_filepicker = scope;
1778
                scope.viewbar_set_enabled(false);
1779
                scope.parse_repository_options(obj);
1780
                scope.create_object_container(obj.object);
1781
            } else if (obj.list) {
1782
                scope.viewbar_set_enabled(true);
1783
                scope.parse_repository_options(obj);
1784
                scope.view_files();
1785
            }
1786
        },
1787
        list: function(args) {
1788
            if (!args) {
1789
                args = {};
1790
            }
1791
            if (!args.repo_id) {
1792
                args.repo_id = this.active_repo.id;
1793
            }
1794
            if (!args.path) {
1795
                args.path = '';
1796
            }
1797
            this.currentpath = args.path;
1798
            this.request({
1799
                action: 'list',
1800
                client_id: this.options.client_id,
1801
                repository_id: args.repo_id,
1802
                path: args.path,
1803
                page: args.page,
1804
                scope: this,
1805
                callback: this.display_response
1806
            }, true);
1807
        },
1808
        populateLicensesSelect: function(licensenode, filenode) {
1809
            if (!licensenode) {
1810
                return;
1811
            }
1812
            licensenode.setContent('');
1813
            var selectedlicense = this.options.defaultlicense;
1814
            if (filenode) {
1815
                // File has a license already, use it.
1816
                selectedlicense = filenode.license;
1817
            } else if (this.options.rememberuserlicensepref && this.get_preference('recentlicense')) {
1818
                // When 'Remember user licence preference' is enabled use the last license selected by the user, if any.
1819
                selectedlicense = this.get_preference('recentlicense');
1820
            }
1821
            var licenses = this.options.licenses;
1822
            for (var i in licenses) {
1823
                // Include the file's current license, even if not enabled, to prevent displaying
1824
                // misleading information about which license the file currently has assigned to it.
1825
                if (licenses[i].enabled == true || (filenode !== undefined && licenses[i].shortname === filenode.license)) {
1826
                    var option = Y.Node.create('<option/>').
1827
                    set('selected', (licenses[i].shortname == selectedlicense)).
1828
                    set('value', licenses[i].shortname).
1829
                    setContent(Y.Escape.html(licenses[i].fullname));
1830
                    licensenode.appendChild(option);
1831
                }
1832
            }
1833
        },
1834
        create_object_container: function(data) {
1835
            var content = this.fpnode.one('.fp-content');
1836
            content.setContent('');
1837
            //var str = '<object data="'+data.src+'" type="'+data.type+'" width="98%" height="98%" id="container_object" class="fp-object-container mdl-align"></object>';
1838
            var container = Y.Node.create('<object/>').
1839
                setAttrs({data:data.src, type:data.type, id:'container_object'}).
1840
                addClass('fp-object-container');
1841
            content.setContent('').appendChild(container);
1842
        },
1843
        create_upload_form: function(data) {
1844
            var client_id = this.options.client_id;
1845
            var id = data.upload.id+'_'+client_id;
1846
            var content = this.fpnode.one('.fp-content');
1847
            var template_name = 'uploadform_'+this.options.repositories[data.repo_id].type;
1848
            var template = M.core_filepicker.templates[template_name] || M.core_filepicker.templates['uploadform'];
1849
            content.setContent(template);
1850
 
1851
            content.all('.fp-file,.fp-saveas,.fp-setauthor,.fp-setlicense').each(function (node) {
1852
                node.all('label').set('for', node.one('input,select').generateID());
1853
            });
1854
            content.one('form').set('id', id);
1855
            content.one('.fp-file input').set('name', 'repo_upload_file');
1856
            if (data.upload.label && content.one('.fp-file label')) {
1857
                content.one('.fp-file label').setContent(data.upload.label);
1858
            }
1859
            content.one('.fp-saveas input').set('name', 'title');
1860
            content.one('.fp-setauthor input').setAttrs({name:'author', value:this.options.author});
1861
            content.one('.fp-setlicense select').set('name', 'license');
1862
            this.populateLicensesSelect(content.one('.fp-setlicense select'));
1863
            // append hidden inputs to the upload form
1864
            content.one('form').appendChild(Y.Node.create('<input/>').
1865
                setAttrs({type:'hidden',name:'itemid',value:this.options.itemid}));
1866
            var types = this.options.accepted_types;
1867
            for (var i in types) {
1868
                content.one('form').appendChild(Y.Node.create('<input/>').
1869
                    setAttrs({type:'hidden',name:'accepted_types[]',value:types[i]}));
1870
            }
1871
 
1872
            var scope = this;
1873
            content.one('.fp-upload-btn').on('click', function(e) {
1874
                e.preventDefault();
1875
                var license = content.one('.fp-setlicense select');
1876
 
1877
                if (this.options.rememberuserlicensepref) {
1878
                    this.set_preference('recentlicense', license.get('value'));
1879
                }
1880
                if (!content.one('.fp-file input').get('value')) {
1881
                    scope.print_msg(M.util.get_string('nofilesattached', 'repository'), 'error');
1882
                    return false;
1883
                }
1884
                this.hide_header();
1885
                scope.request({
1886
                        scope: scope,
1887
                        action:'upload',
1888
                        client_id: client_id,
1889
                        params: {'savepath':scope.options.savepath},
1890
                        repository_id: scope.active_repo.id,
1891
                        form: {id: id, upload:true},
1892
                        onerror: function(id, o, args) {
1893
                            scope.create_upload_form(data);
1894
                        },
1895
                        callback: function(id, o, args) {
1896
                            if (o.event == 'fileexists') {
1897
                                scope.create_upload_form(data);
1898
                                scope.process_existing_file(o);
1899
                                return;
1900
                            }
1901
                            if (scope.options.editor_target&&scope.options.env=='editor') {
1902
                                scope.options.editor_target.value=o.url;
1903
                                scope.options.editor_target.dispatchEvent(new Event('change'), {'bubbles': true});
1904
                            }
1905
                            scope.hide();
1906
                            o.client_id = client_id;
1907
                            var formcallback_scope = args.scope.options.magicscope ? args.scope.options.magicscope : args.scope;
1908
                            scope.options.formcallback.apply(formcallback_scope, [o]);
1909
                        }
1910
                }, true);
1911
            }, this);
1912
        },
1913
        /** setting handlers and labels for elements in toolbar. Called once during the initial render of filepicker */
1914
        setup_toolbar: function() {
1915
            var client_id = this.options.client_id;
1916
            var toolbar = this.fpnode.one('.fp-toolbar');
1917
            toolbar.one('.fp-tb-logout').one('a,button').on('click', function(e) {
1918
                e.preventDefault();
1919
                if (!this.active_repo.nologin) {
1920
                    this.hide_header();
1921
                    this.request({
1922
                        action:'logout',
1923
                        client_id: this.options.client_id,
1924
                        repository_id: this.active_repo.id,
1925
                        path:'',
1926
                        callback: this.display_response
1927
                    }, true);
1928
                }
1929
                if (this.active_repo.logouturl) {
1930
                    window.open(this.active_repo.logouturl, 'repo_auth', 'location=0,status=0,width=500,height=300,scrollbars=yes');
1931
                }
1932
            }, this);
1933
            toolbar.one('.fp-tb-refresh').one('a,button').on('click', function(e) {
1934
                e.preventDefault();
1935
                if (!this.active_repo.norefresh) {
1936
                    this.list({ path: this.currentpath });
1937
                }
1938
            }, this);
1939
            toolbar.one('.fp-tb-search form').
1940
                set('method', 'POST').
1941
                set('id', 'fp-tb-search-'+client_id).
1942
                on('submit', function(e) {
1943
                    e.preventDefault();
1944
                    if (!this.active_repo.nosearch) {
1945
                        this.request({
1946
                            scope: this,
1947
                            action:'search',
1948
                            client_id: this.options.client_id,
1949
                            repository_id: this.active_repo.id,
1950
                            form: {id: 'fp-tb-search-'+client_id, upload:false, useDisabled:true},
1951
                            callback: this.display_response
1952
                        }, true);
1953
                    }
1954
            }, this);
1955
 
1956
            // it does not matter what kind of element is .fp-tb-manage, we create a dummy <a>
1957
            // element and use it to open url on click event
1958
            var managelnk = Y.Node.create('<a/>').
1959
                setAttrs({id:'fp-tb-manage-'+client_id+'-link', target:'_blank'}).
1960
                setStyle('display', 'none');
1961
            toolbar.append(managelnk);
1962
            toolbar.one('.fp-tb-manage').one('a,button').
1963
                on('click', function(e) {
1964
                    e.preventDefault();
1965
                    managelnk.simulate('click')
1966
                });
1967
 
1968
            // same with .fp-tb-help
1969
            var helplnk = Y.Node.create('<a/>').
1970
                setAttrs({id:'fp-tb-help-'+client_id+'-link', target:'_blank'}).
1971
                setStyle('display', 'none');
1972
            toolbar.append(helplnk);
1973
            toolbar.one('.fp-tb-help').one('a,button').
1974
                on('click', function(e) {
1975
                    e.preventDefault();
1976
                    helplnk.simulate('click')
1977
                });
1978
        },
1979
        hide_header: function() {
1980
            if (this.fpnode.one('.fp-toolbar')) {
1981
                this.fpnode.one('.fp-toolbar').addClass('empty');
1982
            }
1983
            if (this.pathbar) {
1984
                this.pathbar.setContent('').addClass('empty');
1985
            }
1986
        },
1987
        print_header: function() {
1988
            var r = this.active_repo;
1989
            var scope = this;
1990
            var client_id = this.options.client_id;
1991
            this.hide_header();
1992
            this.print_path();
1993
            var toolbar = this.fpnode.one('.fp-toolbar');
1994
            if (!toolbar) { return; }
1995
 
1996
            var enable_tb_control = function(node, enabled) {
1997
                if (!node) { return; }
1998
                node.addClassIf('disabled', !enabled).addClassIf('enabled', enabled)
1999
                if (enabled) {
2000
                    toolbar.removeClass('empty');
2001
                }
2002
            }
2003
 
2004
            // TODO 'back' permanently disabled for now. Note, flickr_public uses 'Logout' for it!
2005
            enable_tb_control(toolbar.one('.fp-tb-back'), false);
2006
 
2007
            // search form
2008
            enable_tb_control(toolbar.one('.fp-tb-search'), !r.nosearch);
2009
            if(!r.nosearch) {
2010
                var searchform = toolbar.one('.fp-tb-search form');
2011
                searchform.setContent('');
2012
                this.request({
2013
                    scope: this,
2014
                    action:'searchform',
2015
                    repository_id: this.active_repo.id,
2016
                    callback: function(id, obj, args) {
2017
                        if (obj.repo_id == scope.active_repo.id && obj.form) {
2018
                            // if we did not jump to another repository meanwhile
2019
                            searchform.setContent(obj.form);
2020
                            // Highlight search text when user click for search.
2021
                            var searchnode = searchform.one('input[name="s"]');
2022
                            if (searchnode) {
2023
                                searchnode.once('click', function(e) {
2024
                                    e.preventDefault();
2025
                                    this.select();
2026
                                });
2027
                            }
2028
                        }
2029
                    }
2030
                }, false);
2031
            }
2032
 
2033
            // refresh button
2034
            // weather we use cache for this instance, this button will reload listing anyway
2035
            enable_tb_control(toolbar.one('.fp-tb-refresh'), !r.norefresh);
2036
 
2037
            // login button
2038
            enable_tb_control(toolbar.one('.fp-tb-logout'), !r.nologin);
2039
 
2040
            // manage url
2041
            enable_tb_control(toolbar.one('.fp-tb-manage'), r.manage);
2042
            Y.one('#fp-tb-manage-'+client_id+'-link').set('href', r.manage);
2043
 
2044
            // help url
2045
            enable_tb_control(toolbar.one('.fp-tb-help'), r.help);
2046
            Y.one('#fp-tb-help-'+client_id+'-link').set('href', r.help);
2047
 
2048
            // message
2049
            enable_tb_control(toolbar.one('.fp-tb-message'), r.message);
2050
            toolbar.one('.fp-tb-message').setContent(r.message);
2051
        },
2052
        print_path: function() {
2053
            if (!this.pathbar) {
2054
                return;
2055
            }
2056
            this.pathbar.setContent('').addClass('empty');
2057
            var p = this.filepath;
2058
            if (p && p.length!=0 && this.viewmode != 2) {
2059
                for(var i = 0; i < p.length; i++) {
2060
                    var el = this.pathnode.cloneNode(true);
2061
                    this.pathbar.appendChild(el);
2062
                    if (i == 0) {
2063
                        el.addClass('first');
2064
                    }
2065
                    if (i == p.length-1) {
2066
                        el.addClass('last');
2067
                    }
2068
                    if (i%2) {
2069
                        el.addClass('even');
2070
                    } else {
2071
                        el.addClass('odd');
2072
                    }
2073
                    el.all('.fp-path-folder-name').setContent(Y.Escape.html(p[i].name));
2074
                    el.on('click',
2075
                            function(e, path) {
2076
                                e.preventDefault();
2077
                                this.list({'path':path});
2078
                            },
2079
                        this, p[i].path);
2080
                }
2081
                this.pathbar.removeClass('empty');
2082
            }
2083
        },
2084
        hide: function() {
2085
            this.selectui.hide();
2086
            if (this.process_dlg) {
2087
                this.process_dlg.hide();
2088
            }
2089
            if (this.msg_dlg) {
2090
                this.msg_dlg.hide();
2091
            }
2092
            this.mainui.hide();
2093
        },
2094
        show: function() {
2095
            if (this.fpnode) {
2096
                this.hide();
2097
                this.mainui.show();
2098
                this.show_recent_repository();
2099
            } else {
2100
                this.launch();
2101
            }
2102
        },
2103
        launch: function() {
2104
            this.render();
2105
        },
2106
        show_recent_repository: function() {
2107
            this.hide_header();
2108
            this.viewbar_set_enabled(false);
2109
            var repository_id = this.get_preference('recentrepository');
2110
            this.viewmode = this.get_preference('recentviewmode');
2111
            if (this.viewmode != 2 && this.viewmode != 3) {
2112
                this.viewmode = 1;
2113
            }
2114
            if (this.options.repositories[repository_id]) {
2115
                this.list({'repo_id':repository_id});
2116
            }
2117
        },
2118
        get_preference: function (name) {
2119
            if (this.options.userprefs[name]) {
2120
                return this.options.userprefs[name];
2121
            } else {
2122
                return false;
2123
            }
2124
        },
2125
        set_preference: function(name, value) {
2126
            if (this.options.userprefs[name] != value) {
2127
                require(['core_user/repository'], function(UserRepository) {
2128
                    UserRepository.setUserPreference('filepicker_' + name, value);
2129
                    this.options.userprefs[name] = value;
2130
                }.bind(this));
2131
            }
2132
        },
2133
        in_iframe: function () {
2134
            // If we're not the top window then we're in an iFrame
2135
            return window.self !== window.top;
2136
        }
2137
    });
2138
    var loading = Y.one('#filepicker-loading-'+options.client_id);
2139
    if (loading) {
2140
        loading.setStyle('display', 'none');
2141
    }
2142
    M.core_filepicker.instances[options.client_id] = new FilePickerHelper(options);
2143
};