lib/form/filemanager.js

   1 // This file is part of Moodle - http://moodle.org/
   2 //
   3 // Moodle is free software: you can redistribute it and/or modify
   4 // it under the terms of the GNU General Public License as published by
   5 // the Free Software Foundation, either version 3 of the License, or
   6 // (at your option) any later version.
   7 //
   8 // Moodle is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 // GNU General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU General Public License
  14 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  15 /**
  16  *
  17  * File Manager UI
  18  * =====
  19  * this.api, stores the URL to make ajax request
  20  * this.currentpath
  21  * this.filepicker_options
  22  * this.movefile_dialog
  23  * this.mkdir_dialog
  24  * this.rename_dialog
  25  * this.client_id
  26  * this.filecount, how many files in this filemanager
  27  * this.maxfiles
  28  * this.maxbytes
  29  *
  30  * FileManager options:
  31  * =====
  32  * this.options.currentpath
  33  * this.options.itemid
  34  */
  35
  36
  37 M.form_filemanager = {};
  38
  39 /**
  40  * This fucntion is called for each file picker on page.
  41  */
  42 M.form_filemanager.init = function(Y, options) {
  43     var FileManagerHelper = function(options) {
  44         FileManagerHelper.superclass.constructor.apply(this, arguments);
  45     };
  46     FileManagerHelper.NAME = "FileManager";
  47     FileManagerHelper.ATTRS = {
  48         options: {},
  49         lang: {}
  50     };
  51
  52     Y.extend(FileManagerHelper, Y.Base, {
  53         api: M.cfg.wwwroot+'/repository/draftfiles_ajax.php',
  54         menus: {},
  55         initializer: function(options) {
  56             this.options = options;
  57             if (options.mainfile) {
  58                 this.enablemainfile = options.mainfile;
  59             }
  60             this.client_id = options.client_id;
  61             this.currentpath = '/';
  62             this.maxfiles = options.maxfiles;
  63             this.maxbytes = options.maxbytes;
  64
  65             this.filepicker_options = options.filepicker?options.filepicker:{};
  66             this.filepicker_options.client_id = this.client_id;
  67             this.filepicker_options.context = options.context;
  68             this.filepicker_options.maxfiles = this.maxfiles;
  69             this.filepicker_options.maxbytes = this.maxbytes;
  70             this.filepicker_options.env = 'filemanager';
  71             this.filepicker_options.itemid = options.itemid;
  72
  73             if (options.filecount) {
  74                 this.filecount = options.filecount;
  75             } else {
  76                 this.filecount = 0;
  77             }
  78             this.setup_buttons();
  79             this.refresh(this.currentpath); // MDL-31113 get latest list from server
  80         },
  81
  82         wait: function(client_id) {
  83             var container = Y.one('#filemanager-'+client_id);
  84             container.set('innerHTML', '');
  85             var html = Y.Node.create('<ul id="draftfiles-'+client_id+'"></ul>');
  86             container.appendChild(html);
  87             var panel = Y.one('#draftfiles-'+client_id);
  88             var name = '';
  89             var str = '<div style="text-align:center">';
  90             str += '<img src="'+M.util.image_url('i/loading_small')+'" />';
  91             str += '</div>';
  92             try {
  93                 panel.set('innerHTML', str);
  94             } catch(e) {
  95                 alert(e.toString());
  96             }
  97         },
  98         request: function(args, redraw) {
  99             var api = this.api + '?action='+args.action;
 100             var params = {};
 101             var scope = this;
 102             if (args['scope']) {
 103                 scope = args['scope'];
 104             }
 105             params['sesskey'] = M.cfg.sesskey;
 106             params['client_id'] = this.client_id;
 107             params['filepath'] = this.currentpath;
 108             params['itemid'] = this.options.itemid?this.options.itemid:0;
 109             if (args['params']) {
 110                 for (i in args['params']) {
 111                     params[i] = args['params'][i];
 112                 }
 113             }
 114             var cfg = {
 115                 method: 'POST',
 116                 on: {
 117                     complete: function(id,o,p) {
 118                         if (!o) {
 119                             alert('IO FATAL');
 120                             return;
 121                         }
 122                         var data = Y.JSON.parse(o.responseText);
 123                         args.callback(id,data,p);
 124                     }
 125                 },
 126                 arguments: {
 127                     scope: scope
 128                 },
 129                 headers: {
 130                     'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
 131                     'User-Agent': 'MoodleFileManager/3.0'
 132                 },
 133                 data: build_querystring(params)
 134             };
 135             if (args.form) {
 136                 cfg.form = args.form;
 137             }
 138             Y.io(api, cfg);
 139             if (redraw) {
 140                 this.wait(this.client_id);
 141             }
 142         },
 143         filepicker_callback: function(obj) {
 144             this.filecount++;
 145             this.check_buttons();
 146             this.refresh(this.currentpath);
 147             if (typeof M.core_formchangechecker != 'undefined') {
 148                 M.core_formchangechecker.set_form_changed();
 149             }
 150         },
 151         check_buttons: function() {
 152             var button_addfile  = Y.one("#btnadd-"+this.client_id);
 153             if (this.filecount > 0) {
 154                 Y.one("#btndwn-"+this.client_id).setStyle('display', 'inline');
 155             }
 156             if (this.filecount >= this.maxfiles && this.maxfiles!=-1) {
 157                 button_addfile.setStyle('display', 'none');
 158             }
 159         },
 160         refresh: function(filepath) {
 161             var scope = this;
 162             this.currentpath = filepath;
 163             if (!filepath) {
 164                 filepath = this.currentpath;
 165             } else {
 166                 this.currentpath = filepath;
 167             }
 168             this.request({
 169                 action: 'list',
 170                 scope: scope,
 171                 params: {'filepath':filepath},
 172                 callback: function(id, obj, args) {
 173                     scope.filecount = obj.filecount;
 174                     scope.check_buttons();
 175                     scope.options = obj;
 176                     scope.render(obj);
 177                 }
 178             }, true);
 179         },
 180         setup_buttons: function() {
 181             var button_download = Y.one("#btndwn-"+this.client_id);
 182             var button_create   = Y.one("#btncrt-"+this.client_id);
 183             var button_addfile  = Y.one("#btnadd-"+this.client_id);
 184
 185             // setup 'add file' button
 186             // if maxfiles == -1, the no limit
 187             if (this.filecount >= this.maxfiles
 188                     && this.maxfiles!=-1) {
 189                 button_addfile.setStyle('display', 'none');
 190             } else {
 191                 button_addfile.on('click', function(e) {
 192                     var options = this.filepicker_options;
 193                     options.formcallback = this.filepicker_callback;
 194                     // XXX: magic here, to let filepicker use filemanager scope
 195                     options.magicscope = this;
 196                     options.savepath = this.currentpath;
 197                     M.core_filepicker.show(Y, options);
 198                 }, this);
 199             }
 200
 201             // setup 'make a folder' button
 202             if (this.options.subdirs) {
 203                 button_create.on('click',function(e) {
 204                     var scope = this;
 205                     // a function used to perform an ajax request
 206                     function perform_action(e) {
 207                         var foldername = Y.one('#fm-newname').get('value');
 208                         if (!foldername) {
 209                             return;
 210                         }
 211                         scope.request({
 212                             action:'mkdir',
 213                             params: {filepath:scope.currentpath, newdirname:foldername},
 214                             callback: function(id, obj, args) {
 215                                 var filepath = obj.filepath;
 216                                 scope.mkdir_dialog.hide();
 217                                 scope.refresh(filepath);
 218                                 Y.one('#fm-newname').set('value', '');
 219                                 if (typeof M.core_formchangechecker != 'undefined') {
 220                                     M.core_formchangechecker.set_form_changed();
 221                                 }
 222                             }
 223                         });
 224                     }
 225                     if (!Y.one('#fm-mkdir-dlg')) {
 226                         var dialog = Y.Node.create('<div id="fm-mkdir-dlg"><div class="hd">'+M.str.repository.entername+'</div><div class="bd"><input type="text" id="fm-newname" /></div></div>');
 227                         Y.one(document.body).appendChild(dialog);
 228                         this.mkdir_dialog = new YAHOO.widget.Dialog("fm-mkdir-dlg", {
 229                              width: "300px",
 230                              visible: true,
 231                              x:e.pageX,
 232                              y:e.pageY,
 233                              constraintoviewport : true
 234                              });
 235
 236                     }
 237                     var buttons = [ { text:M.str.moodle.ok, handler:perform_action, isDefault:true },
 238                                   { text:M.str.moodle.cancel, handler:function(){this.cancel();}}];
 239
 240                     this.mkdir_dialog.cfg.queueProperty("buttons", buttons);
 241                     this.mkdir_dialog.render();
 242                     this.mkdir_dialog.show();
 243                 }, this);
 244             } else {
 245                 button_create.setStyle('display', 'none');
 246             }
 247
 248             // setup 'download this folder' button
 249             // NOTE: popup window must be enabled to perform download process
 250             button_download.on('click',function() {
 251                 var scope = this;
 252                 // perform downloaddir ajax request
 253                 this.request({
 254                     action: 'downloaddir',
 255                     scope: scope,
 256                     callback: function(id, obj, args) {
 257                         if (obj) {
 258                             scope.refresh(obj.filepath);
 259                             var win = window.open(obj.fileurl, 'fm-download-folder');
 260                             if (!win) {
 261                                 alert(M.str.repository.popupblockeddownload);
 262                             }
 263                         } else {
 264                             alert(M.str.repository.draftareanofiles);
 265                         }
 266                     }
 267                 });
 268             }, this);
 269         },
 270         empty_filelist: function(container) {
 271             container.set('innerHTML', '<div class="mdl-align">'+M.str.repository.nofilesattached+'</div>'+this.upload_message());
 272         },
 273         upload_message: function() {
 274             var div = '<div id="filemanager-uploadmessage'+this.client_id+'" style="display:none" class="dndupload-target">';
 275             div += M.util.get_string('droptoupload', 'moodle');
 276             div += '</div>';
 277             return div;
 278         },
 279         render: function() {
 280             var options = this.options;
 281             var path = this.options.path;
 282             var list = this.options.list;
 283             var breadcrumb = Y.one('#fm-path-'+this.client_id);
 284             // build breadcrumb
 285             if (path) {
 286                 // empty breadcrumb
 287                 breadcrumb.set('innerHTML', '');
 288                 var count = 0;
 289                 for(var p in path) {
 290                     var arrow = '';
 291                     if (count==0) {
 292                         arrow = Y.Node.create('<span>'+M.str.moodle.path + ': </span>');
 293                     } else {
 294                         arrow = Y.Node.create('<span> ▶ </span>');
 295                     }
 296                     count++;
 297
 298                     var pathid  = 'fm-path-node-'+this.client_id;
 299                     pathid += ('-'+count);
 300
 301                     var crumb = Y.Node.create('<a href="###" id="'+pathid+'">'+path[p].name+'</a>');
 302                     breadcrumb.appendChild(arrow);
 303                     breadcrumb.appendChild(crumb);
 304
 305                     var args = {};
 306                     args.requestpath = path[p].path;
 307                     args.client_id = this.client_id;
 308                     Y.one('#'+pathid).on('click', function(e, args) {
 309                         var scope = this;
 310                         var params = {};
 311                         params['filepath'] = args.requestpath;
 312                         this.currentpath = args.requestpath;
 313                         this.request({
 314                             action: 'list',
 315                             scope: scope,
 316                             params: params,
 317                             callback: function(id, obj, args) {
 318                                 scope.filecount = obj.filecount;
 319                                 scope.check_buttons();
 320                                 scope.options = obj;
 321                                 scope.render(obj);
 322                             }
 323                         }, true);
 324                     }, this, args);
 325                 }
 326             }
 327             var template = Y.one('#fm-template');
 328             var container = Y.one('#filemanager-' + this.client_id);
 329             var listhtml = '';
 330
 331             // folder list items
 332             var folder_ids = [];
 333             var folder_data = {};
 334
 335             // normal file list items
 336             var file_ids   = [];
 337             var file_data  = {};
 338
 339             // archives list items
 340             var zip_ids    = [];
 341             var zip_data = {};
 342
 343             var html_ids = [];
 344             var html_data = {};
 345
 346             file_data.itemid = folder_data.itemid = zip_data.itemid = options.itemid;
 347             file_data.client_id = folder_data.client_id = zip_data.client_id = this.client_id;
 348
 349             var foldername_ids = [];
 350             if (!list || list.length == 0) {
 351                 // hide file browser and breadcrumb
 352                 //container.setStyle('display', 'none');
 353                 this.empty_filelist(container);
 354                 if (!path || path.length <= 1) {
 355                     breadcrumb.setStyle('display', 'none');
 356                 }
 357                 return;
 358             } else {
 359                 container.setStyle('display', 'block');
 360                 breadcrumb.setStyle('display', 'block');
 361             }
 362
 363             var count = 0;
 364             for(var i in list) {
 365                 count++;
 366                 // the li html element
 367                 var htmlid = 'fileitem-'+this.client_id+'-'+count;
 368                 // link to file
 369                 var fileid = 'filename-'+this.client_id+'-'+count;
 370                 // file menu
 371                 var action = 'action-'  +this.client_id+'-'+count;
 372
 373                 var html = template.get('innerHTML');
 374
 375                 html_ids.push('#'+htmlid);
 376                 html_data[htmlid] = action;
 377
 378                 list[i].htmlid = htmlid;
 379                 list[i].fileid = fileid;
 380                 list[i].action = action;
 381
 382                 var url = "###";
 383
 384                 switch (list[i].type) {
 385                     case 'folder':
 386                         // click folder name
 387                         foldername_ids.push('#'+fileid);
 388                         // click folder menu
 389                         folder_ids.push('#'+action);
 390                         folder_data[action] = list[i];
 391                         folder_data[fileid] = list[i];
 392                         break;
 393                     case 'file':
 394                         file_ids.push('#'+action);
 395                         // click file name
 396                         file_ids.push('#'+fileid);
 397                         file_data[action] = list[i];
 398                         file_data[fileid] = list[i];
 399                         if (list[i].url) {
 400                             url = list[i].url;
 401                         }
 402                     break;
 403                     case 'zip':
 404                         zip_ids.push('#'+action);
 405                         zip_ids.push('#'+fileid);
 406                         zip_data[action] = list[i];
 407                         zip_data[fileid] = list[i];
 408                         if (list[i].url) {
 409                             url = list[i].url;
 410                         }
 411                     break;
 412                 }
 413                 var fullname = list[i].fullname;
 414
 415                 if (list[i].sortorder == 1) {
 416                     html = html.replace('___fullname___', '<strong><a title="'+fullname+'" href="'+url+'" id="'+fileid+'"><img src="'+list[i].icon+'" /> ' + fullname + '</a></strong>');
 417                 } else {
 418                     html = html.replace('___fullname___', '<a title="'+fullname+'" href="'+url+'" id="'+fileid+'"><img src="'+list[i].icon+'" /> ' + fullname + '</a>');
 419                 }
 420                 html = html.replace('___action___', '<span class="fm-menuicon" id="'+action+'"><img alt="▶" src="'+M.util.image_url('i/menu')+'" /></span>');
 421                 html = '<li id="'+htmlid+'">'+html+'</li>';
 422                 listhtml += html;
 423             }
 424             if (!Y.one('#draftfiles-'+this.client_id)) {
 425                 var filelist = Y.Node.create('<ul id="draftfiles-'+this.client_id+'"></ul>');
 426                 container.appendChild(filelist);
 427             }
 428             listhtml += this.upload_message();
 429             Y.one('#draftfiles-'+this.client_id).set('innerHTML', listhtml);
 430
 431             // click normal file menu
 432             Y.on('click', this.create_filemenu, file_ids, this, file_data);
 433             Y.on('contextmenu', this.create_filemenu, file_ids, this, file_data);
 434             // click folder menu
 435             Y.on('click', this.create_foldermenu, folder_ids, this, folder_data);
 436             Y.on('contextmenu', this.create_foldermenu, folder_ids, this, folder_data);
 437             Y.on('contextmenu', this.create_foldermenu, foldername_ids, this, folder_data);
 438             // click archievs menu
 439             Y.on('click', this.create_zipmenu, zip_ids, this, zip_data);
 440             Y.on('contextmenu', this.create_zipmenu, zip_ids, this, zip_data);
 441             // click folder name
 442             Y.on('click', this.enter_folder, foldername_ids, this, folder_data);
 443         },
 444         enter_folder: function(e, data) {
 445             var node = e.currentTarget;
 446             var file = data[node.get('id')];
 447             this.refresh(file.filepath);
 448         },
 449         create_filemenu: function(e, data) {
 450             e.preventDefault();
 451             var options = this.options;
 452             var node = e.currentTarget;
 453             var file = data[node.get('id')];
 454             var scope = this;
 455
 456             var menuitems = [
 457                 {text: M.str.moodle.download, url:file.url}
 458                 ];
 459             function setmainfile(type, ev, obj) {
 460                 var file = obj[node.get('id')];
 461                 //Y.one(mainid).set('value', file.filepath+file.filename);
 462                 var params = {};
 463                 params['filepath']   = file.filepath;
 464                 params['filename']   = file.filename;
 465                 this.request({
 466                     action: 'setmainfile',
 467                     scope: scope,
 468                     params: params,
 469                     callback: function(id, obj, args) {
 470                         scope.refresh(scope.currentpath);
 471                     }
 472                 });
 473             }
 474             if (this.enablemainfile && (file.sortorder != 1)) {
 475                 var mainid = '#id_'+this.enablemainfile;
 476                 var menu = {text: M.str.repository.setmainfile, onclick:{fn: setmainfile, obj:data, scope:this}};
 477                 menuitems.push(menu);
 478             }
 479             this.create_menu(e, 'filemenu', menuitems, file, data);
 480         },
 481         create_foldermenu: function(e, data) {
 482             e.preventDefault();
 483             var scope = this;
 484             var node = e.currentTarget;
 485             var fileinfo = data[node.get('id')];
 486             // an extra menu item for folder to zip it
 487             function archive_folder(type,ev,obj) {
 488                 var params = {};
 489                 params['filepath']   = fileinfo.filepath;
 490                 params['filename']   = '.';
 491                 this.request({
 492                     action: 'zip',
 493                     scope: scope,
 494                     params: params,
 495                     callback: function(id, obj, args) {
 496                         scope.refresh(obj.filepath);
 497                     }
 498                 });
 499             }
 500             var menuitems = [
 501                 {text: M.str.editor.zip, onclick: {fn: archive_folder, obj: data, scope: this}},
 502                 ];
 503             this.create_menu(e, 'foldermenu', menuitems, fileinfo, data);
 504         },
 505         create_zipmenu: function(e, data) {
 506             e.preventDefault();
 507             var scope = this;
 508             var node = e.currentTarget;
 509             var fileinfo = data[node.get('id')];
 510
 511             function unzip(type, ev, obj) {
 512                 var params = {};
 513                 params['filepath'] = fileinfo.filepath;
 514                 params['filename'] = fileinfo.fullname;
 515                 this.request({
 516                     action: 'unzip',
 517                     scope: scope,
 518                     params: params,
 519                     callback: function(id, obj, args) {
 520                         scope.refresh(obj.filepath);
 521                     }
 522                 });
 523             }
 524             var menuitems = [
 525                 {text: M.str.moodle.download, url:fileinfo.url},
 526                 {text: M.str.moodle.unzip, onclick: {fn: unzip, obj: data, scope: this}}
 527                 ];
 528             function setmainfile(type, ev, obj) {
 529                 var file = obj[node.get('id')];
 530                 //Y.one(mainid).set('value', file.filepath+file.filename);
 531                 var params = {};
 532                 params['filepath']   = file.filepath;
 533                 params['filename']   = file.filename;
 534                 this.request({
 535                     action: 'setmainfile',
 536                     scope: scope,
 537                     params: params,
 538                     callback: function(id, obj, args) {
 539                         scope.refresh(scope.currentpath);
 540                     }
 541                 });
 542             }
 543             if (this.enablemainfile && (fileinfo.sortorder != 1)) {
 544                 var mainid = '#id_'+this.enablemainfile;
 545                 var menu = {text: M.str.repository.setmainfile, onclick:{fn: setmainfile, obj:data, scope:this}};
 546                 menuitems.push(menu);
 547             }
 548             this.create_menu(e, 'zipmenu', menuitems, fileinfo, data);
 549         },
 550         create_menu: function(ev, menuid, menuitems, fileinfo, options) {
 551             var position = [ev.pageX, ev.pageY];
 552             var scope = this;
 553             function remove(type, ev, obj) {
 554                 var dialog_options = {};
 555                 var params = {};
 556                 dialog_options.message = M.str.repository.confirmdeletefile;
 557                 dialog_options.scope = this;
 558                 var filename = '';
 559                 var filepath = '';
 560                 if (fileinfo.type == 'folder') {
 561                     params.filename = '.';
 562                     params.filepath = fileinfo.filepath;
 563                 } else {
 564                     params.filename = fileinfo.fullname;
 565                 }
 566                 dialog_options.callbackargs = [params];
 567                 dialog_options.callback = function(params) {
 568                     this.request({
 569                         action: 'delete',
 570                         scope: this,
 571                         params: params,
 572                         callback: function(id, obj, args) {
 573                             scope.filecount--;
 574                             scope.refresh(obj.filepath);
 575                             if (typeof M.core_formchangechecker != 'undefined') {
 576                                 M.core_formchangechecker.set_form_changed();
 577                             }
 578                             if (scope.filecount < scope.maxfiles && scope.maxfiles!=-1) {
 579                                 var button_addfile  = Y.one("#btnadd-"+scope.client_id);
 580                                 button_addfile.setStyle('display', 'inline');
 581                                 button_addfile.on('click', function(e) {
 582                                     var options = scope.filepicker_options;
 583                                     options.formcallback = scope.filepicker_callback;
 584                                     // XXX: magic here, to let filepicker use filemanager scope
 585                                     options.magicscope = scope;
 586                                     options.savepath = scope.currentpath;
 587                                     M.core_filepicker.show(Y, options);
 588                                 }, this);
 589                             }
 590                         }
 591                     });
 592                 };
 593                 M.util.show_confirm_dialog(ev, dialog_options);
 594             }
 595             function rename (type, ev, obj) {
 596                 var scope = this;
 597                 var perform = function(e) {
 598                     var newfilename = Y.one('#fm-rename-input').get('value');
 599                     if (!newfilename) {
 600                         return;
 601                     }
 602
 603                     var action = '';
 604                     var params = {};
 605                     if (fileinfo.type == 'folder') {
 606                         params['filepath']   = fileinfo.filepath;
 607                         params['filename']   = '.';
 608                         params['newdirname'] = newfilename;
 609                         action = 'renamedir';
 610                     } else {
 611                         params['filepath']   = fileinfo.filepath;
 612                         params['filename']   = fileinfo.fullname;
 613                         params['newfilename'] = newfilename;
 614                         action = 'rename';
 615                     }
 616                     scope.request({
 617                         action: action,
 618                         scope: scope,
 619                         params: params,
 620                         callback: function(id, obj, args) {
 621                             if (obj == false) {
 622                                 alert(M.str.repository.fileexists);
 623                             } else {
 624                                 scope.refresh(obj.filepath);
 625                                 if (typeof M.core_formchangechecker != 'undefined') {
 626                                     M.core_formchangechecker.set_form_changed();
 627                                 }
 628                             }
 629                             Y.one('#fm-rename-input').set('value', '');
 630                             scope.rename_dialog.hide();
 631                         }
 632                     });
 633                 };
 634
 635                 var dialog = Y.one('#fm-rename-dlg');
 636                 if (!dialog) {
 637                     dialog = Y.Node.create('<div id="fm-rename-dlg"><div class="hd">'+M.str.repository.enternewname+'</div><div class="bd"><input type="text" id="fm-rename-input" /></div></div>');
 638                     Y.one(document.body).appendChild(dialog);
 639                     this.rename_dialog = new YAHOO.widget.Dialog("fm-rename-dlg", {
 640                          width: "300px",
 641                          fixedcenter: true,
 642                          visible: true,
 643                          constraintoviewport : true
 644                          });
 645
 646                 }
 647                 var buttons = [ { text:M.str.moodle.rename, handler:perform, isDefault:true},
 648                                   { text:M.str.moodle.cancel, handler:function(){this.cancel();}}];
 649
 650                 this.rename_dialog.cfg.queueProperty('buttons', buttons);
 651                 this.rename_dialog.render();
 652                 this.rename_dialog.show();
 653                 //var k1 = new YAHOO.util.KeyListener(scope, {keys:13}, {fn:function(){perform();}, correctScope: true});
 654                 //k1.enable();
 655                 Y.one('#fm-rename-input').set('value', fileinfo.fullname);
 656             }
 657             function move(type, ev, obj) {
 658                 var scope = this;
 659                 var itemid = this.options.itemid;
 660                 // setup move file dialog
 661                 var dialog = null;
 662                 if (!Y.one('#fm-move-dlg')) {
 663                     dialog = Y.Node.create('<div id="fm-move-dlg"></div>');
 664                     Y.one(document.body).appendChild(dialog);
 665                 } else {
 666                     dialog = Y.one('#fm-move-dlg');
 667                 }
 668
 669                 dialog.set('innerHTML', '<div class="hd">'+M.str.repository.moving+'</div><div class="bd"><div id="fm-move-div">'+M.str.repository.nopathselected+'</div><div id="fm-tree"></div></div>');
 670
 671                 this.movefile_dialog = new YAHOO.widget.Dialog("fm-move-dlg", {
 672                      width : "600px",
 673                      fixedcenter : true,
 674                      visible : false,
 675                      constraintoviewport : true
 676                      });
 677
 678                 var treeview = new YAHOO.widget.TreeView("fm-tree");
 679
 680                 var dialog = this.movefile_dialog;
 681                 function _move(e) {
 682                     if (!treeview.targetpath) {
 683                         return;
 684                     }
 685                     var params = {};
 686                     if (fileinfo.type == 'folder') {
 687                         action = 'movedir';
 688                     } else {
 689                         action = 'movefile';
 690                     }
 691                     params['filepath'] = fileinfo.filepath;
 692                     params['filename'] = fileinfo.fullname;
 693                     params['newfilepath'] = treeview.targetpath;
 694                     scope.request({
 695                         action: action,
 696                         scope: scope,
 697                         params: params,
 698                         callback: function(id, obj, args) {
 699                             var p = '/';
 700                             if (obj) {
 701                                 p = obj.filepath;
 702                             }
 703                             dialog.cancel();
 704                             scope.refresh(p);
 705                             if (typeof M.core_formchangechecker != 'undefined') {
 706                                 M.core_formchangechecker.set_form_changed();
 707                             }
 708                         }
 709                     });
 710                 }
 711
 712                 var buttons = [ { text:M.str.moodle.move, handler:_move, isDefault:true },
 713                                   { text:M.str.moodle.cancel, handler:function(){this.cancel();}}];
 714
 715                 this.movefile_dialog.cfg.queueProperty("buttons", buttons);
 716                 this.movefile_dialog.render();
 717
 718                 treeview.subscribe("dblClickEvent", function(e) {
 719                     // update destidatoin folder
 720                     this.targetpath = e.node.data.path;
 721                     var title = Y.one('#fm-move-div');
 722                     title.set('innerHTML', '<strong>"' + this.targetpath + '"</strong> has been selected.');
 723                 });
 724
 725                 function loadDataForNode(node, onCompleteCallback) {
 726                     var params = {};
 727                     params['filepath'] = node.data.path;
 728                     var obj = {
 729                         action: 'dir',
 730                         scope: scope,
 731                         params: params,
 732                         callback: function(id, obj, args) {
 733                             data = obj.children;
 734                             if (data.length == 0) {
 735                                 // so it is empty
 736                             } else {
 737                                 for (var i in data) {
 738                                     var textnode = {label: data[i].fullname, path: data[i].filepath, itemid: this.itemid};
 739                                     var tmpNode = new YAHOO.widget.TextNode(textnode, node, false);
 740                                 }
 741                             }
 742                             this.oncomplete();
 743                         }
 744                     };
 745                     obj.oncomplete = onCompleteCallback;
 746                     scope.request(obj);
 747                 }
 748
 749                 this.movefile_dialog.subscribe('show', function(){
 750                     var rootNode = treeview.getRoot();
 751                     treeview.setDynamicLoad(loadDataForNode);
 752                     treeview.removeChildren(rootNode);
 753                     var textnode = {label: M.str.moodle.files, path: '/'};
 754                     var tmpNode = new YAHOO.widget.TextNode(textnode, rootNode, true);
 755                     treeview.draw();
 756                 }, this, true);
 757
 758                 this.movefile_dialog.show();
 759             }
 760             var shared_items = [
 761                 {text: M.str.moodle.rename+'...', onclick: {fn: rename, obj: options, scope: this}},
 762                 {text: M.str.moodle.move+'...', onclick: {fn: move, obj: options, scope: this}}
 763             ];
 764             // delete is reserve word in Javascript
 765             shared_items.push({text: M.str.moodle['delete']+'...', onclick: {fn: remove, obj: options, scope: this}});
 766             var menu = new YAHOO.widget.Menu(menuid, {xy:position, clicktohide:true});
 767             menu.clearContent();
 768             menu.addItems(menuitems);
 769             menu.addItems(shared_items);
 770             menu.render(document.body);
 771             menu.subscribe('hide', function(){
 772                 this.fireEvent('destroy');
 773             });
 774             menu.show();
 775         }
 776     });
 777
 778     // finally init everything needed
 779     // kill nonjs filemanager
 780     var item = document.getElementById('nonjs-filemanager-'+options.client_id);
 781     if (item && !options.usenonjs) {
 782         item.parentNode.removeChild(item);
 783     }
 784     // hide loading picture
 785     item = document.getElementById('filemanager-loading-'+options.client_id);
 786     if (item) {
 787         item.parentNode.removeChild(item);
 788     }
 789     // display filemanager interface
 790     item = document.getElementById('filemanager-wrapper-'+options.client_id);
 791     if (item) {
 792         item.style.display = '';
 793     }
 794
 795     var manager = new FileManagerHelper(options);
 796     var dndoptions = {
 797         filemanager: manager,
 798         acceptedtypes: options.accepted_types,
 799         clientid: options.client_id,
 800         maxfiles: options.maxfiles,
 801         maxbytes: options.maxbytes,
 802         itemid: options.itemid,
 803         repositories: manager.filepicker_options.repositories,
 804         containerprefix: '#filemanager-',
 805     };
 806     M.form_dndupload.init(Y, dndoptions);
 807 };