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('name').join('/').replace(/^\/+/, '/');
 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             var isHidden = this.model.isHidden() && !this.view.showHidden();
 156             this.$el.toggleClass('hidden', isHidden);
 157
 158             if (isHidden && this.model.get('checked'))
 159                 this.model.toggle();
 160         },
 161
 162         toggleChecked: function(obj, value) {
 163             this.$el.toggleClass('active', value);
 164             this.$el.find('input[type="checkbox"]').prop('checked', value);
 165         },
 166
 167         click: function(e) {
 168             if (e.target.className == 'link') {
 169                 if (this.model.isDir()) {
 170                     e.preventDefault();
 171                     this.model.trigger('selected:dir', this.model);
 172                 }
 173
 174                 return;
 175             }
 176
 177             this.model.toggle();
 178         }
 179     });
 180
 181     Filex.Breadcrumb = Backbone.View.extend({
 182         tagName: 'li',
 183
 184         events: {
 185             'click a': 'selected'
 186         },
 187
 188         initialize: function() {
 189             this.listenTo(this.model, 'change:active', this.render);
 190             this.listenTo(this.model, 'remove', this.remove);
 191         },
 192
 193         render: function() {
 194             if (this.model.get('active')) {
 195                 this.$el.text(this.model.get('name'));
 196             }
 197             else {
 198                 this.$el.html($('<a/>', {
 199                     href: '#',
 200                     text: this.model.get('name')
 201                 }));
 202             }
 203             this.$el.toggleClass('active', this.model.get('active'));
 204
 205             return this;
 206         },
 207
 208         selected: function(e) {
 209             e.preventDefault();
 210             this.model.trigger('selected', this.model);
 211         }
 212     });
 213
 214     Filex.FilexView = Backbone.View.extend({
 215         el: $('#filex'),
 216
 217         events: {
 218             'change #show-hidden': 'toggleHidden',
 219             'click #select-all': 'selectAll',
 220             'click #btn-refresh': 'reloadFiles',
 221             'click #btn-favorites': 'toggleFavorites',
 222             'click #btn-host': 'editHost'
 223         },
 224
 225         initialize: function(options) {
 226             this.$noItems = $('#no-items');
 227             this.$error = $('#error');
 228             this.$showHidden = $('#show-hidden');
 229             this.$selectAll = $('#select-all');
 230             this.$favorites = $('#btn-favorites');
 231             this.$host = $('#btn-host');
 232
 233             this.path = new Filex.Path();
 234             this.files = new Filex.FileList();
 235
 236             this.listenTo(this.path, 'reset', this.resetPath);
 237             this.listenTo(this.path, 'add', this.addPath);
 238             this.listenTo(this.path, 'add reset', this.changedPath);
 239             this.listenTo(this.path, 'selected', this.selectedPath);
 240             this.listenTo(this.files, 'reset', this.resetFiles);
 241             this.listenTo(this.files, 'selected:dir', this.selectedDir);
 242             this.listenTo(this.files, 'change:checked', this.updateSelectAll);
 243
 244             // used in selectize callbacks
 245             var view = this,
 246                 optionTemplate = _.template('<div><div><%= host %></div><div class="small text-muted"><%= path %></div></div>');
 247
 248             this.$('#host-selector').selectize({
 249                 optgroupField: 'group',
 250                 labelField: 'host',
 251                 searchField: ['host', 'path'],
 252                 sortField: [
 253                     {field: 'host', direction: 'asc'},
 254                     {field: 'path', direction: 'asc'}
 255                 ],
 256                 options: options.locations,
 257                 optgroups: [
 258                     {value: 'sys', label: 'Podstawowe'},
 259                     {value: 'usr', label: 'Użytkownika'}
 260                 ],
 261                 lockOptgroupOrder: true,
 262                 create: function(input, callback) {
 263                     var $form = $('#favorite-form'),
 264                         parts = input.split('/'),
 265                         callback_called = false;
 266
 267                     $form[0].reset();
 268                     $form.find('#id_host').val(parts.shift());
 269
 270                     if (parts.length)
 271                         $form.find('#id_path').val(parts.join('/'));
 272
 273                     $form.off();
 274                     $form.on('submit', function(e) {
 275                         var $this = $(this),
 276                             $btn = $this.find('[type="submit"]');
 277
 278                         e.preventDefault();
 279                         $btn.button('loading');
 280
 281                         $.post($this.attr('action'), $this.serialize(), function(data) {
 282                             callback(data);
 283                             callback_called = true;
 284
 285                             $this.modal('hide');
 286                             $btn.button('reset');
 287                         }, 'json').fail(function(xhr) {
 288                             console.error(arguments);
 289                             var error = (xhr.responseJSON || {}).error || undefined;
 290
 291                             if (typeof error === 'string') {
 292                                 $('<div>', {
 293                                     'class': 'alert alert-danger',
 294                                     html: '<span class="glyphicon glyphicon-exclamation-sign" aria-hidden="true"></span> ' + error
 295                                 }).prependTo($this.find('.modal-body'));
 296                                 $btn.button('reset');
 297                             }
 298                             else {
 299                                 $btn.button('error');
 300                             }
 301                         });
 302                     });
 303
 304                     $form.one('hide.bs.modal', function() {
 305                         if (!callback_called)
 306                             callback();
 307                         $form.off();
 308                     });
 309
 310                     $form.modal();
 311                 },
 312                 render: {
 313                     option: function(item) {
 314                         return optionTemplate(item);
 315                     },
 316                     option_create : function(data, escape) {
 317                         return '<div class="create">Dodaj <em>' + escape(data.input) + '</em>&hellip;</div>';
 318                     }
 319                 },
 320                 onItemAdd: function(value) {
 321                     view.load(value);
 322                     this.blur();
 323                 },
 324                 onBlur: function() {
 325                     $('#host').removeClass('edit');
 326                     this.clear();
 327                 }
 328             });
 329             this.hostSelectize = this.$('#host-selector')[0].selectize;
 330
 331             this.render();
 332         },
 333
 334         render: function() {
 335             this.updateSelectAll();
 336             this.updateFavorites();
 337             this.$noItems.toggle(!Boolean(this.visibleFiles().length));
 338             this.$error.hide();
 339         },
 340
 341         load: function(location) {
 342             var hostRootPath = location.split(/\/(\/|~)(.*)/),
 343                 pathBits = [new Filex.PathBit({'name': hostRootPath[1]})].concat(
 344                     _.chain(hostRootPath[2].split('/'))
 345                         .filter(_.identity)
 346                         .map(function(name) { return new Filex.PathBit({'name': name}) })
 347                         .value()
 348                 );
 349
 350             this.host = hostRootPath[0];
 351             this.path.reset(pathBits);
 352
 353             this.$host.text(this.host);
 354         },
 355
 356         reloadFiles: function() {
 357             this.busy();
 358
 359             var view = this;
 360
 361             this.files.fetch({
 362                 reset: true,
 363                 data: {host: this.host, path: this.path.full()},
 364                 success: function() {
 365                     view.render();
 366                     view.idle();
 367                 },
 368                 error: function(collection, response) {
 369                     view.files.reset();
 370
 371                     var msg = (response.responseJSON || {}).error || 'Błąd serwera';
 372
 373                     view.$noItems.hide();
 374                     view.$error.find('.msg').text(msg);
 375                     view.$error.show();
 376                     view.idle();
 377                 }
 378             });
 379         },
 380
 381         addPath: function(bit) {
 382             var view = new Filex.Breadcrumb({model: bit});
 383             this.$('.path').append(view.render().el);
 384         },
 385
 386         resetPath: function(models, options) {
 387             _.each(options.previousModels, function(model) {
 388                 model.trigger('remove');
 389             });
 390
 391             this.path.each(this.addPath, this);
 392         },
 393
 394         resetFiles: function(models, options) {
 395             _.each(options.previousModels, function(model) {
 396                 model.trigger('remove');
 397             });
 398
 399             this.files.each(function(file) {
 400                 var view = new Filex.ListingItem({model: file, view: this});
 401                 this.$('tbody').append(view.render().el);
 402             }, this);
 403         },
 404
 405         toggleHidden: function() {
 406             this.files.each(function(item) { item.trigger('hidden'); }, this);
 407             this.render();
 408         },
 409
 410         selectedDir: function(dir) {
 411             this.path.add({'name': dir.get('name')});
 412         },
 413
 414         selectedPath: function(bit) {
 415             this.path.reset(this.path.slice(0, this.path.indexOf(bit) + 1));
 416         },
 417
 418         showHidden: function() {
 419             return this.$showHidden[0].checked;
 420         },
 421
 422         busy: function() {
 423             this.$el.addClass('busy');
 424         },
 425
 426         idle: function() {
 427             this.$el.removeClass('busy');
 428         },
 429
 430         visibleFiles: function() {
 431             return this.showHidden() ? this.files.models : this.files.visible();
 432         },
 433
 434         selectedFiles: function() {
 435             return _.filter(this.visibleFiles(), function(item) {
 436                 return item.get('checked');
 437             });
 438         },
 439
 440         selectAll: function() {
 441             var checked = this.$selectAll[0].checked;
 442
 443             _.each(this.visibleFiles(), function(item) {
 444                 item.set('checked', checked);
 445             })
 446         },
 447
 448         updateSelectAll: function() {
 449             if (this.visibleFiles().length) {
 450                 this.$selectAll.prop('disabled', false);
 451                 this.$selectAll.prop('checked', this.selectedFiles().length == this.visibleFiles().length);
 452             }
 453             else {
 454                 this.$selectAll.prop('disabled', true);
 455                 this.$selectAll.prop('checked', false);
 456             }
 457         },
 458
 459         clearSelection: function() {
 460             _.each(this.visibleFiles(), function(item) {
 461                 item.set('checked', false);
 462             });
 463         },
 464
 465         toggleFavorites: function() {
 466             var $btn = this.$favorites,
 467                 locations = this.hostSelectize,
 468                 is_active = $btn.hasClass('active'),
 469                 url = is_active ? '/filex/fav/delete/' : '/filex/fav/add/',
 470                 data = {
 471                     host: this.host,
 472                     path: this.path.full()
 473                 };
 474
 475             $btn.button('loading');
 476
 477             $.post(url, data, 'json').done(function (response) {
 478                 $btn.button('reset');
 479
 480                 if (is_active)
 481                     locations.removeOption(data.host + '/' + data.path);
 482                 else
 483                     locations.addOption(response);
 484             }).fail(function() {
 485                 $btn.button('reset');
 486                 $btn.button('toggle');
 487
 488                 console.error(arguments);
 489             });
 490         },
 491
 492         initialLoad: function() {
 493             if (!this.host) {
 494                 var opts = this.hostSelectize.options;
 495
 496                 this.load(opts[Object.keys(opts)[0]].value);
 497             }
 498         },
 499
 500         changedPath: function () {
 501             this.reloadFiles();
 502             this.updateFavorites();
 503         },
 504
 505         updateFavorites: function() {
 506             var loc = this.host + '/' + this.path.full(),
 507                 favorites = this.hostSelectize.options;
 508
 509             if (favorites.hasOwnProperty(loc)) {
 510                 if (favorites[loc].group == 'sys') {
 511                     this.$favorites.addClass('disabled').prop('disabled', true);
 512                     if (this.$favorites.hasClass('active'))
 513                         this.$favorites.button('toggle');
 514                 }
 515                 else {
 516                     this.$favorites.removeClass('disabled').prop('disabled', false);
 517                     if (!this.$favorites.hasClass('active'))
 518                         this.$favorites.button('toggle');
 519                 }
 520             }
 521             else {
 522                 this.$favorites.removeClass('disabled').prop('disabled', false);
 523                 if (this.$favorites.hasClass('active'))
 524                     this.$favorites.button('toggle');
 525             }
 526         },
 527
 528         editHost: function() {
 529             $('#host').addClass('edit');
 530             this.hostSelectize.focus();
 531         }
 532     });
 533 });