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'] = $.param({
 143                 host: this.view.host,
 144                 path: this.view.path.full(),
 145                 name: this.model.get('name')
 146             });
 147             data['cid'] = this.model.cid;
 148
 149             this.$el.html(this.template()(data));
 150             this.toggleHidden();
 151
 152             return this;
 153         },
 154
 155         toggleHidden: function() {
 156             this.$el.toggleClass('hidden', this.model.isHidden() && !this.view.showHidden());
 157         },
 158
 159         toggleChecked: function(obj, value) {
 160             this.$el.toggleClass('active', value);
 161             this.$el.find('input[type="checkbox"]').prop('checked', value);
 162         },
 163
 164         click: function(e) {
 165             if (e.target.className == 'link') {
 166                 if (this.model.isDir()) {
 167                     e.preventDefault();
 168                     this.model.trigger('selected:dir', this.model);
 169                 }
 170
 171                 return;
 172             }
 173
 174             this.model.toggle();
 175         }
 176     });
 177
 178     Filex.Breadcrumb = Backbone.View.extend({
 179         tagName: 'li',
 180
 181         events: {
 182             'click a': 'selected'
 183         },
 184
 185         initialize: function() {
 186             this.listenTo(this.model, 'change:active', this.render);
 187             this.listenTo(this.model, 'remove', this.remove);
 188         },
 189
 190         render: function() {
 191             if (this.model.get('active')) {
 192                 this.$el.text(this.model.get('text'));
 193             }
 194             else {
 195                 this.$el.html($('<a/>', {
 196                     href: '#',
 197                     text: this.model.get('text')
 198                 }));
 199             }
 200             this.$el.toggleClass('active', this.model.get('active'));
 201
 202             return this;
 203         },
 204
 205         selected: function(e) {
 206             e.preventDefault();
 207             this.model.trigger('selected', this.model);
 208         }
 209     });
 210
 211     Filex.FilexView = Backbone.View.extend({
 212         el: $('#filex'),
 213
 214         events: {
 215             'change #show-hidden': 'toggleHidden',
 216             'click #select-all': 'selectAll',
 217             'click #btn-refresh': 'reloadFiles',
 218             'click #btn-favorites': 'toggleFavorites',
 219             'click #btn-host': 'editHost'
 220         },
 221
 222         initialize: function(options) {
 223             this.$noItems = $('#no-items');
 224             this.$error = $('#error');
 225             this.$showHidden = $('#show-hidden');
 226             this.$selectAll = $('#select-all');
 227             this.$favorites = $('#btn-favorites');
 228             this.$host = $('#btn-host');
 229
 230             this.path = new Filex.Path();
 231             this.files = new Filex.FileList();
 232
 233             this.listenTo(this.path, 'reset', this.resetPath);
 234             this.listenTo(this.path, 'add', this.addPath);
 235             this.listenTo(this.path, 'add reset', this.changedPath);
 236             this.listenTo(this.path, 'selected', this.selectedPath);
 237             this.listenTo(this.files, 'reset', this.resetFiles);
 238             this.listenTo(this.files, 'selected:dir', this.selectedDir);
 239             this.listenTo(this.files, 'change:checked', this.updateSelectAll);
 240
 241             // used in selectize callbacks
 242             var view = this,
 243                 optionTemplate = _.template('<div><div><%= host %></div><div class="small text-muted"><%= path %></div></div>');
 244
 245             this.$('#host-selector').selectize({
 246                 optgroupField: 'group',
 247                 labelField: 'host',
 248                 searchField: ['host', 'path'],
 249                 sortField: [
 250                     {field: 'host', direction: 'asc'},
 251                     {field: 'path', direction: 'asc'}
 252                 ],
 253                 options: options.locations,
 254                 optgroups: [
 255                     {value: 'sys', label: 'Podstawowe'},
 256                     {value: 'usr', label: 'Użytkownika'}
 257                 ],
 258                 lockOptgroupOrder: true,
 259                 create: function(input, callback) {
 260                     var $form = $('#favorite-form'),
 261                         parts = input.split('/', 1),
 262                         callback_called = false;
 263
 264                     $form.find('#id_host').val(parts[0]);
 265
 266                     if (parts.length > 1)
 267                         $form.find('#id_path').val(parts[1]);
 268
 269                     $form.on('submit', function(e) {
 270                         var $this = $(this),
 271                             $btn = $this.find('[type="submit"]');
 272
 273                         e.preventDefault();
 274                         $btn.button('loading');
 275
 276                         $.post($this.attr('action'), $this.serialize(), function(data) {
 277                             callback(data);
 278                             callback_called = true;
 279
 280                             $this.modal('hide');
 281                             $btn.button('reset');
 282                         }, 'json').fail(function() {
 283                             console.error(arguments);
 284                             $btn.button('error');
 285                         });
 286                     });
 287
 288                     $form.one('hide.bs.modal', function() {
 289                         if (!callback_called)
 290                             callback();
 291                         $form.off();
 292                     });
 293
 294                     $form.modal();
 295                 },
 296                 render: {
 297                     option: function(item) {
 298                         return optionTemplate(item);
 299                     },
 300                     option_create : function(data, escape) {
 301                         return '<div class="create">Dodaj <em>' + escape(data.input) + '</em>&hellip;</div>';
 302                     }
 303                 },
 304                 onItemAdd: function(value) {
 305                     view.load(value);
 306                     this.blur();
 307                 },
 308                 onBlur: function() {
 309                     $('#host').removeClass('edit');
 310                     this.clear();
 311                 }
 312             });
 313             this.hostSelectize = this.$('#host-selector')[0].selectize;
 314
 315             this.render();
 316         },
 317
 318         render: function() {
 319             this.updateSelectAll();
 320             this.updateFavorites();
 321             this.$noItems.toggle(!Boolean(this.visibleFiles().length));
 322             this.$error.hide();
 323         },
 324
 325         load: function(location) {
 326             var path = location.replace(/(^\/+|\/+$)/g, '').split('/'),
 327                 host = path.shift(),
 328                 pathBits = [new Filex.PathBit({'text': '/', 'path': ''})].concat(_.map(path, function(name) {
 329                     return new Filex.PathBit({'text': name, 'path': name});
 330                 }));
 331
 332             this.host = host;
 333             this.path.reset(pathBits);
 334
 335             this.$host.text(this.host);
 336         },
 337
 338         reloadFiles: function() {
 339             this.busy();
 340
 341             var view = this;
 342
 343             this.files.fetch({
 344                 reset: true,
 345                 data: {host: this.host, path: this.path.full()},
 346                 success: function() {
 347                     view.render();
 348                     view.idle();
 349                 },
 350                 error: function(collection, response) {
 351                     view.files.reset();
 352
 353                     var msg = (response.responseJSON || {}).msg || 'Błąd serwera';
 354
 355                     view.$noItems.hide();
 356                     view.$error.find('.msg').text(msg);
 357                     view.$error.show();
 358                     view.idle();
 359                 }
 360             });
 361         },
 362
 363         addPath: function(bit) {
 364             var view = new Filex.Breadcrumb({model: bit});
 365             this.$('.path').append(view.render().el);
 366         },
 367
 368         resetPath: function(models, options) {
 369             _.each(options.previousModels, function(model) {
 370                 model.trigger('remove');
 371             });
 372
 373             this.path.each(this.addPath, this);
 374         },
 375
 376         resetFiles: function(models, options) {
 377             _.each(options.previousModels, function(model) {
 378                 model.trigger('remove');
 379             });
 380
 381             this.files.each(function(file) {
 382                 var view = new Filex.ListingItem({model: file, view: this});
 383                 this.$('tbody').append(view.render().el);
 384             }, this);
 385         },
 386
 387         toggleHidden: function() {
 388             this.files.each(function(item) { item.trigger('hidden'); }, this);
 389             this.render();
 390         },
 391
 392         selectedDir: function(dir) {
 393             this.path.add({'text': dir.get('name'), 'path': dir.get('name')});
 394         },
 395
 396         selectedPath: function(bit) {
 397             this.path.reset(this.path.slice(0, this.path.indexOf(bit) + 1));
 398         },
 399
 400         showHidden: function() {
 401             return this.$showHidden[0].checked;
 402         },
 403
 404         busy: function() {
 405             this.$el.addClass('busy');
 406         },
 407
 408         idle: function() {
 409             this.$el.removeClass('busy');
 410         },
 411
 412         visibleFiles: function() {
 413             return this.showHidden() ? this.files.models : this.files.visible();
 414         },
 415
 416         selectedFiles: function() {
 417             return _.filter(this.visibleFiles(), function(item) {
 418                 return item.get('checked');
 419             });
 420         },
 421
 422         selectAll: function() {
 423             var checked = this.$selectAll[0].checked;
 424
 425             _.each(this.visibleFiles(), function(item) {
 426                 item.set('checked', checked);
 427             })
 428         },
 429
 430         updateSelectAll: function() {
 431             if (this.visibleFiles().length) {
 432                 this.$selectAll.prop('disabled', false);
 433                 this.$selectAll.prop('checked', this.selectedFiles().length == this.visibleFiles().length);
 434             }
 435             else {
 436                 this.$selectAll.prop('disabled', true);
 437                 this.$selectAll.prop('checked', false);
 438             }
 439         },
 440
 441         clearSelection: function() {
 442             _.each(this.visibleFiles(), function(item) {
 443                 item.set('checked', false);
 444             });
 445         },
 446
 447         toggleFavorites: function() {
 448             var $btn = this.$favorites,
 449                 locations = this.hostSelectize,
 450                 is_active = $btn.hasClass('active'),
 451                 url = is_active ? '/filex/fav/delete/' : '/filex/fav/add/',
 452                 data = {
 453                     host: this.host,
 454                     path: this.path.full()
 455                 };
 456
 457             $btn.button('loading');
 458
 459             $.post(url, data, 'json').done(function () {
 460                 $btn.button('reset');
 461
 462                 if (is_active) {
 463                     locations.removeOption(data.host + data.path);
 464                 }
 465                 else {
 466                     locations.addOption({
 467                         group: 'usr',
 468                         host: data.host,
 469                         path: data.path,
 470                         value: data.host + data.path
 471                     });
 472                 }
 473             }).fail(function() {
 474                 $btn.button('reset');
 475                 $btn.button('toggle');
 476
 477                 console.error(arguments);
 478             });
 479         },
 480
 481         initialLoad: function() {
 482             if (!this.host) {
 483                 var opts = this.hostSelectize.options;
 484
 485                 this.load(opts[Object.keys(opts)[0]].value);
 486             }
 487         },
 488
 489         changedPath: function () {
 490             this.reloadFiles();
 491             this.updateFavorites();
 492         },
 493
 494         updateFavorites: function() {
 495             var loc = this.host + this.path.full(),
 496                 favorites = this.hostSelectize.options;
 497
 498             if (favorites.hasOwnProperty(loc)) {
 499                 if (favorites[loc].group == 'sys') {
 500                     this.$favorites.addClass('disabled').prop('disabled', true);
 501                     if (this.$favorites.hasClass('active'))
 502                         this.$favorites.button('toggle');
 503                 }
 504                 else {
 505                     this.$favorites.removeClass('disabled').prop('disabled', false);
 506                     if (!this.$favorites.hasClass('active'))
 507                         this.$favorites.button('toggle');
 508                 }
 509             }
 510             else {
 511                 this.$favorites.removeClass('disabled').prop('disabled', false);
 512                 if (this.$favorites.hasClass('active'))
 513                     this.$favorites.button('toggle');
 514             }
 515         },
 516
 517         editHost: function() {
 518             $('#host').addClass('edit');
 519             this.hostSelectize.focus();
 520         }
 521     });
 522 });