filex/static/filex/filex.js

   1 var Filex = Filex || {};
   2
   3 $(function(){
   4         'use strict';
   5
   6     // ------------------------------------------------------------------------
   7     // Models
   8     // ------------------------------------------------------------------------
   9
  10     var OfflineModel = Backbone.Model.extend({
  11         // prevent syncing with server
  12         sync: function() {
  13             return false;
  14         }
  15     });
  16
  17     Filex.File = OfflineModel.extend({
  18         defaults: {
  19             checked: false
  20         },
  21
  22         isDir: function() {
  23             return false;
  24         },
  25
  26         isFile: function() {
  27             return true;
  28         },
  29
  30         isHidden: function() {
  31             return this.get('name')[0] == '.';
  32         },
  33
  34         toggle: function() {
  35             this.set('checked', !this.get('checked'));
  36         }
  37     });
  38
  39     Filex.Directory = Filex.File.extend({
  40         isDir: function() {
  41             return true;
  42         },
  43
  44         isFile: function() {
  45             return false;
  46         }
  47     });
  48
  49     Filex.PathBit = OfflineModel.extend({
  50         defaults: {
  51             'active': false
  52         }
  53     });
  54
  55
  56     // ------------------------------------------------------------------------
  57     // Collections
  58     // ------------------------------------------------------------------------
  59
  60     Filex.FileList = Backbone.Collection.extend({
  61         url: '/filex/list/',
  62
  63         model: function(attrs, options) {
  64             switch (attrs['type']) {
  65                 case 'directory':
  66                     return new Filex.Directory(attrs, options);
  67                 case 'file':
  68                     return new Filex.File(attrs, options);
  69                 default:
  70                     console.error('Unknown model type:', attrs['type']);
  71             }
  72         },
  73
  74         comparator: function(a, b) {
  75             if (a.isFile() == b.isFile())
  76                 return a.get('name').toLowerCase().localeCompare(b.get('name').toLowerCase());
  77
  78             return (a.isFile() && b.isDir()) ? 1 : -1;
  79         },
  80
  81         hidden: function() {
  82             return this.filter(function (item) {
  83                 return item.isHidden();
  84             })
  85         },
  86
  87         visible: function () {
  88             return this.filter(function (item) {
  89                 return !item.isHidden();
  90             })
  91         }
  92     });
  93
  94     Filex.Path = Backbone.Collection.extend({
  95         model: Filex.PathBit,
  96
  97         initialize: function() {
  98             this.listenTo(this, 'reset add', this.setActive);
  99         },
 100
 101         setActive: function() {
 102             _.each(this.initial(), function(bit) {
 103                 bit.set('active', false);
 104             });
 105
 106             this.last().set('active', true);
 107         },
 108
 109         full: function() {
 110             return this.pluck('path').join('/') || '/';
 111         }
 112     });
 113
 114
 115     // ------------------------------------------------------------------------
 116     // Views
 117     // ------------------------------------------------------------------------
 118
 119     Filex.ListingItem = Backbone.View.extend({
 120         tagName:  'tr',
 121
 122         events: {
 123             'click': 'click'
 124         },
 125
 126         initialize: function(options) {
 127             this.view = options.view;
 128
 129             this.listenTo(this.model, 'change:checked', this.toggleChecked);
 130             this.listenTo(this.model, 'remove', this.remove);
 131             this.listenTo(this.model, 'hidden', this.toggleHidden);
 132         },
 133
 134         template: function() {
 135             var templateSelector = this.model.isDir() ? '#dir-template' : '#file-template';
 136
 137             return _.template($(templateSelector).html());
 138         },
 139
 140         render: function() {
 141             var data = this.model.toJSON();
 142             data['url_params'] = $.param({
 143                 host: this.view.host,
 144                 path: this.view.path.full() + '/' + this.model.get('name')
 145             });
 146             data['cid'] = this.model.cid;
 147
 148             this.$el.html(this.template()(data));
 149             this.toggleHidden();
 150
 151             return this;
 152         },
 153
 154         toggleHidden: function() {
 155             this.$el.toggleClass('hidden', this.model.isHidden() && !this.view.showHidden());
 156         },
 157
 158         toggleChecked: function(obj, value) {
 159             this.$el.toggleClass('active', value);
 160             this.$el.find('input[type="checkbox"]').prop('checked', value);
 161         },
 162
 163         click: function(e) {
 164             if (e.target.className == 'link') {
 165                 if (this.model.isDir()) {
 166                     e.preventDefault();
 167                     this.model.trigger('selected:dir', this.model);
 168                 }
 169
 170                 return;
 171             }
 172
 173             this.model.toggle();
 174         }
 175     });
 176
 177     Filex.Breadcrumb = Backbone.View.extend({
 178         tagName: 'li',
 179
 180         events: {
 181             'click a': 'selected'
 182         },
 183
 184         initialize: function() {
 185             this.listenTo(this.model, 'change:active', this.render);
 186             this.listenTo(this.model, 'remove', this.remove);
 187         },
 188
 189         render: function() {
 190             if (this.model.get('active')) {
 191                 this.$el.text(this.model.get('text'));
 192             }
 193             else {
 194                 this.$el.html($('<a/>', {
 195                     href: '#',
 196                     text: this.model.get('text')
 197                 }));
 198             }
 199             this.$el.toggleClass('active', this.model.get('active'));
 200
 201             return this;
 202         },
 203
 204         selected: function(e) {
 205             e.preventDefault();
 206             this.model.trigger('selected', this.model);
 207         }
 208     });
 209
 210     Filex.FilexView = Backbone.View.extend({
 211         el: $('#filex'),
 212
 213         events: {
 214             'change #show-hidden': 'toggleHidden',
 215             'click #select-all': 'selectAll',
 216             'click #btn-refresh': 'reloadFiles',
 217             'click #btn-favorites': 'toggleFavorites',
 218             'click #btn-host': 'editHost'
 219         },
 220
 221         initialize: function(options) {
 222             this.$noItems = $('#no-items');
 223             this.$error = $('#error');
 224             this.$showHidden = $('#show-hidden');
 225             this.$selectAll = $('#select-all');
 226             this.$favorites = $('#btn-favorites');
 227             this.$host = $('#btn-host');
 228
 229             this.path = new Filex.Path();
 230             this.files = new Filex.FileList();
 231
 232             this.listenTo(this.path, 'reset', this.resetPath);
 233             this.listenTo(this.path, 'add', this.addPath);
 234             this.listenTo(this.path, 'add reset', this.changedPath);
 235             this.listenTo(this.path, 'selected', this.selectedPath);
 236             this.listenTo(this.files, 'reset', this.resetFiles);
 237             this.listenTo(this.files, 'selected:dir', this.selectedDir);
 238             this.listenTo(this.files, 'change:checked', this.updateSelectAll);
 239
 240             // used in selectize callbacks
 241             var view = this,
 242                 optionTemplate = _.template('<div><div><%= host %></div><div class="small text-muted"><%= path %></div></div>');
 243
 244             this.$('#host-selector').selectize({
 245                 optgroupField: 'group',
 246                 labelField: 'host',
 247                 searchField: ['host', 'path'],
 248                 sortField: [
 249                     {field: 'host', direction: 'asc'},
 250                     {field: 'path', direction: 'asc'}
 251                 ],
 252                 options: options.locations,
 253                 optgroups: [
 254                     {value: 'sys', label: 'Podstawowe'},
 255                     {value: 'usr', label: 'Użytkownika'}
 256                 ],
 257                 lockOptgroupOrder: true,
 258                 create: function(input, callback) {
 259                     var $form = $('#favorite-form'),
 260                         parts = input.split('/', 1),
 261                         callback_called = false;
 262
 263                     $form.find('#id_host').val(parts[0]);
 264
 265                     if (parts.length > 1)
 266                         $form.find('#id_path').val(parts[1]);
 267
 268                     $form.on('submit', function(e) {
 269                         var $this = $(this),
 270                             $btn = $this.find('[type="submit"]');
 271
 272                         e.preventDefault();
 273                         $btn.button('loading');
 274
 275                         $.post($this.attr('action'), $this.serialize(), function(data) {
 276                             callback(data);
 277                             callback_called = true;
 278
 279                             $this.modal('hide');
 280                             $btn.button('reset');
 281                         }, 'json').fail(function() {
 282                             console.error(arguments);
 283                             $btn.button('error');
 284                         });
 285                     });
 286
 287                     $form.one('hide.bs.modal', function() {
 288                         if (!callback_called)
 289                             callback();
 290                         $form.off();
 291                     });
 292
 293                     $form.modal();
 294                 },
 295                 render: {
 296                     option: function(item) {
 297                         return optionTemplate(item);
 298                     },
 299                     option_create : function(data, escape) {
 300                         return '<div class="create">Dodaj <em>' + escape(data.input) + '</em>&hellip;</div>';
 301                     }
 302                 },
 303                 onItemAdd: function(value) {
 304                     view.load(value);
 305                     this.blur();
 306                 },
 307                 onBlur: function() {
 308                     $('#host').removeClass('edit');
 309                     this.clear();
 310                 }
 311             });
 312             this.hostSelectize = this.$('#host-selector')[0].selectize;
 313
 314             this.render();
 315         },
 316
 317         render: function() {
 318             this.updateSelectAll();
 319             this.updateFavorites();
 320             this.$noItems.toggle(!Boolean(this.visibleFiles().length));
 321             this.$error.hide();
 322         },
 323
 324         load: function(location) {
 325             var path = location.replace(/(^\/+|\/+$)/g, '').split('/'),
 326                 host = path.shift(),
 327                 pathBits = [new Filex.PathBit({'text': '/', 'path': ''})].concat(_.map(path, function(name) {
 328                     return new Filex.PathBit({'text': name, 'path': name});
 329                 }));
 330
 331             this.host = host;
 332             this.path.reset(pathBits);
 333
 334             this.$host.text(this.host);
 335         },
 336
 337         reloadFiles: function() {
 338             this.busy();
 339
 340             var view = this;
 341
 342             this.files.fetch({
 343                 reset: true,
 344                 data: {host: this.host, path: this.path.full()},
 345                 success: function() {
 346                     view.render();
 347                     view.idle();
 348                 },
 349                 error: function(collection, response) {
 350                     view.files.reset();
 351
 352                     var msg = (response.responseJSON || {}).error || 'Błąd serwera';
 353
 354                     view.$noItems.hide();
 355                     view.$error.find('.msg').text(msg);
 356                     view.$error.show();
 357                     view.idle();
 358                 }
 359             });
 360         },
 361
 362         addPath: function(bit) {
 363             var view = new Filex.Breadcrumb({model: bit});
 364             this.$('.path').append(view.render().el);
 365         },
 366
 367         resetPath: function(models, options) {
 368             _.each(options.previousModels, function(model) {
 369                 model.trigger('remove');
 370             });
 371
 372             this.path.each(this.addPath, this);
 373         },
 374
 375         resetFiles: function(models, options) {
 376             _.each(options.previousModels, function(model) {
 377                 model.trigger('remove');
 378             });
 379
 380             this.files.each(function(file) {
 381                 var view = new Filex.ListingItem({model: file, view: this});
 382                 this.$('tbody').append(view.render().el);
 383             }, this);
 384         },
 385
 386         toggleHidden: function() {
 387             this.files.each(function(item) { item.trigger('hidden'); }, this);
 388             this.render();
 389         },
 390
 391         selectedDir: function(dir) {
 392             this.path.add({'text': dir.get('name'), 'path': dir.get('name')});
 393         },
 394
 395         selectedPath: function(bit) {
 396             this.path.reset(this.path.slice(0, this.path.indexOf(bit) + 1));
 397         },
 398
 399         showHidden: function() {
 400             return this.$showHidden[0].checked;
 401         },
 402
 403         busy: function() {
 404             this.$el.addClass('busy');
 405         },
 406
 407         idle: function() {
 408             this.$el.removeClass('busy');
 409         },
 410
 411         visibleFiles: function() {
 412             return this.showHidden() ? this.files.models : this.files.visible();
 413         },
 414
 415         selectedFiles: function() {
 416             return _.filter(this.visibleFiles(), function(item) {
 417                 return item.get('checked');
 418             });
 419         },
 420
 421         selectAll: function() {
 422             var checked = this.$selectAll[0].checked;
 423
 424             _.each(this.visibleFiles(), function(item) {
 425                 item.set('checked', checked);
 426             })
 427         },
 428
 429         updateSelectAll: function() {
 430             if (this.visibleFiles().length) {
 431                 this.$selectAll.prop('disabled', false);
 432                 this.$selectAll.prop('checked', this.selectedFiles().length == this.visibleFiles().length);
 433             }
 434             else {
 435                 this.$selectAll.prop('disabled', true);
 436                 this.$selectAll.prop('checked', false);
 437             }
 438         },
 439
 440         clearSelection: function() {
 441             _.each(this.visibleFiles(), function(item) {
 442                 item.set('checked', false);
 443             });
 444         },
 445
 446         toggleFavorites: function() {
 447             var $btn = this.$favorites,
 448                 locations = this.hostSelectize,
 449                 is_active = $btn.hasClass('active'),
 450                 url = is_active ? '/filex/fav/delete/' : '/filex/fav/add/',
 451                 data = {
 452                     host: this.host,
 453                     path: this.path.full()
 454                 };
 455
 456             $btn.button('loading');
 457
 458             $.post(url, data, 'json').done(function () {
 459                 $btn.button('reset');
 460
 461                 if (is_active) {
 462                     locations.removeOption(data.host + data.path);
 463                 }
 464                 else {
 465                     locations.addOption({
 466                         group: 'usr',
 467                         host: data.host,
 468                         path: data.path,
 469                         value: data.host + data.path
 470                     });
 471                 }
 472             }).fail(function() {
 473                 $btn.button('reset');
 474                 $btn.button('toggle');
 475
 476                 console.error(arguments);
 477             });
 478         },
 479
 480         initialLoad: function() {
 481             if (!this.host) {
 482                 var opts = this.hostSelectize.options;
 483
 484                 this.load(opts[Object.keys(opts)[0]].value);
 485             }
 486         },
 487
 488         changedPath: function () {
 489             this.reloadFiles();
 490             this.updateFavorites();
 491         },
 492
 493         updateFavorites: function() {
 494             var loc = this.host + this.path.full(),
 495                 favorites = this.hostSelectize.options;
 496
 497             if (favorites.hasOwnProperty(loc)) {
 498                 if (favorites[loc].group == 'sys') {
 499                     this.$favorites.addClass('disabled').prop('disabled', true);
 500                     if (this.$favorites.hasClass('active'))
 501                         this.$favorites.button('toggle');
 502                 }
 503                 else {
 504                     this.$favorites.removeClass('disabled').prop('disabled', false);
 505                     if (!this.$favorites.hasClass('active'))
 506                         this.$favorites.button('toggle');
 507                 }
 508             }
 509             else {
 510                 this.$favorites.removeClass('disabled').prop('disabled', false);
 511                 if (this.$favorites.hasClass('active'))
 512                     this.$favorites.button('toggle');
 513             }
 514         },
 515
 516         editHost: function() {
 517             $('#host').addClass('edit');
 518             this.hostSelectize.focus();
 519         }
 520     });
 521 });