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media.js
618 lines
| 1 | /* global jQuery, _,i18nRwmbMedia */ |
| 2 | |
| 3 | window.rwmb = window.rwmb || {}; |
| 4 | |
| 5 | jQuery( function ( $ ) { |
| 6 | 'use strict'; |
| 7 | |
| 8 | var views = rwmb.views = rwmb.views || {}, |
| 9 | models = rwmb.models = rwmb.models || {}, |
| 10 | media = wp.media, |
| 11 | MediaFrame = media.view.MediaFrame, |
| 12 | MediaCollection, Controller, MediaField, MediaList, MediaItem, MediaButton, MediaStatus, EditMedia, |
| 13 | MediaDetails, MediaLibrary, MediaSelect; |
| 14 | |
| 15 | MediaCollection = models.MediaCollection = media.model.Attachments.extend( { |
| 16 | initialize: function ( models, options ) { |
| 17 | this.controller = options.controller || new models.Controller; |
| 18 | this.on( 'add remove reset', function () { |
| 19 | var max = this.controller.get( 'maxFiles' ); |
| 20 | this.controller.set( 'length', this.length ); |
| 21 | this.controller.set( 'full', max > 0 && this.length >= max ); |
| 22 | } ); |
| 23 | |
| 24 | media.model.Attachments.prototype.initialize.call( this, models, options ); |
| 25 | }, |
| 26 | |
| 27 | add: function ( models, options ) { |
| 28 | var max = this.controller.get( 'maxFiles' ), |
| 29 | left = max - this.length; |
| 30 | |
| 31 | if ( max > 0 && left <= 0 ) { |
| 32 | return this; |
| 33 | } |
| 34 | if( models) { |
| 35 | if ( ! models.hasOwnProperty( 'length' ) ) { |
| 36 | models = [models]; |
| 37 | } else if ( models instanceof media.model.Attachments ) { |
| 38 | models = models.models; |
| 39 | } |
| 40 | } |
| 41 | if ( left > 0 ) { |
| 42 | models = _.difference( models, this.models ); |
| 43 | models = _.first( models, left ); |
| 44 | } |
| 45 | |
| 46 | return media.model.Attachments.prototype.add.call( this, models, options ); |
| 47 | }, |
| 48 | |
| 49 | remove: function ( models, options ) { |
| 50 | models = media.model.Attachments.prototype.remove.call( this, models, options ); |
| 51 | if ( this.controller.get( 'forceDelete' ) === true ) { |
| 52 | models = ! _.isArray( models ) ? [models] : models; |
| 53 | _.each( models, function ( model ) { |
| 54 | model.destroy(); |
| 55 | } ); |
| 56 | } |
| 57 | }, |
| 58 | |
| 59 | destroyAll: function () { |
| 60 | _.each( _.clone( this.models ), function ( model ) { |
| 61 | model.destroy(); |
| 62 | } ); |
| 63 | } |
| 64 | } ); |
| 65 | |
| 66 | /*** |
| 67 | * Controller Model |
| 68 | * Manages data of media field and media models. Most of the media views will use this to manage the media |
| 69 | */ |
| 70 | Controller = models.Controller = Backbone.Model.extend( { |
| 71 | //Default options |
| 72 | defaults: { |
| 73 | maxFiles: 0, |
| 74 | ids: [], |
| 75 | mimeType: '', |
| 76 | forceDelete: false, |
| 77 | maxStatus: true, |
| 78 | length: 0 |
| 79 | }, |
| 80 | |
| 81 | //Initialize Controller model |
| 82 | initialize: function () { |
| 83 | // All numbers, no 0 ids |
| 84 | this.set( 'ids', _.without( _.map( this.get( 'ids' ), Number ), 0, - 1 ) ); |
| 85 | |
| 86 | // Create items collection |
| 87 | this.set( 'items', new MediaCollection( [], {controller: this} ) ); |
| 88 | |
| 89 | // Listen for destroy event on controller, delete all models when triggered |
| 90 | this.on( 'destroy', function () { |
| 91 | if ( this.get( 'forceDelete' ) ) { |
| 92 | this.get( 'items' ).destroyAll(); |
| 93 | } |
| 94 | } ); |
| 95 | }, |
| 96 | |
| 97 | |
| 98 | // Load initial media |
| 99 | load: function () { |
| 100 | if ( _.isEmpty( this.get( 'ids' ) ) ) { |
| 101 | return; |
| 102 | } |
| 103 | this.get( 'items' ).props.set( { |
| 104 | query: true, |
| 105 | include: this.get( 'ids' ), |
| 106 | orderby: 'post__in', |
| 107 | order: 'ASC', |
| 108 | type: this.get( 'mimeType' ), |
| 109 | perPage: this.get( 'maxFiles' ) || - 1 |
| 110 | } ); |
| 111 | // Get more then trigger ready |
| 112 | this.get( 'items' ).more(); |
| 113 | } |
| 114 | } ); |
| 115 | |
| 116 | /*** |
| 117 | * MediaField |
| 118 | * Sets up media field view and subviews |
| 119 | */ |
| 120 | MediaField = views.MediaField = Backbone.View.extend( { |
| 121 | className: 'rwmb-media-view', |
| 122 | initialize: function ( options ) { |
| 123 | var that = this, |
| 124 | fieldName = options.input.name; |
| 125 | this.$input = $( options.input ); |
| 126 | |
| 127 | if ( 1 != this.$input.attr( 'data-single-image' ) ) { |
| 128 | fieldName += '[]'; |
| 129 | } |
| 130 | |
| 131 | this.controller = new Controller( _.extend( |
| 132 | { |
| 133 | fieldName: fieldName, |
| 134 | ids: this.$input.val().split( ',' ) |
| 135 | }, |
| 136 | this.$input.data( 'options' ) |
| 137 | ) ); |
| 138 | |
| 139 | // Create views |
| 140 | this.createList(); |
| 141 | this.createAddButton(); |
| 142 | this.createStatus(); |
| 143 | |
| 144 | // Render |
| 145 | this.render(); |
| 146 | |
| 147 | // Load media |
| 148 | this.controller.load(); |
| 149 | |
| 150 | // Listen for destroy event on input |
| 151 | this.$input.on( 'remove', function () { |
| 152 | that.controller.destroy(); |
| 153 | } ); |
| 154 | |
| 155 | this.$input.on( 'media:reset', function() { |
| 156 | that.controller.get( 'items' ).reset(); |
| 157 | } ); |
| 158 | |
| 159 | this.controller.get( 'items' ).on( 'add remove reset', _.debounce( function () { |
| 160 | that.$input.trigger( 'change', [that.$( '.rwmb-media-input' )] ); |
| 161 | }, 500 ) ); |
| 162 | |
| 163 | this.controller.get( 'items' ).on( 'remove', _.debounce( function () { |
| 164 | that.$input.val( '' ); |
| 165 | }, 500 ) ); |
| 166 | }, |
| 167 | |
| 168 | // Creates media list |
| 169 | createList: function () { |
| 170 | this.list = new MediaList( {controller: this.controller} ); |
| 171 | }, |
| 172 | |
| 173 | // Creates button that adds media |
| 174 | createAddButton: function () { |
| 175 | this.addButton = new MediaButton( {controller: this.controller} ); |
| 176 | }, |
| 177 | |
| 178 | // Creates status |
| 179 | createStatus: function () { |
| 180 | this.status = new MediaStatus( {controller: this.controller} ); |
| 181 | }, |
| 182 | |
| 183 | // Render field and adds sub fields |
| 184 | render: function () { |
| 185 | // Empty then add parts |
| 186 | this.$el.empty().append( |
| 187 | this.list.el, |
| 188 | this.status.el, |
| 189 | this.addButton.el |
| 190 | ); |
| 191 | } |
| 192 | } ); |
| 193 | |
| 194 | /*** |
| 195 | * Media List |
| 196 | * lists media |
| 197 | */ |
| 198 | MediaList = views.MediaList = Backbone.View.extend( { |
| 199 | tagName: 'ul', |
| 200 | className: 'rwmb-media-list', |
| 201 | |
| 202 | initialize: function ( options ) { |
| 203 | this.controller = options.controller; |
| 204 | this.collection = this.controller.get( 'items' ); |
| 205 | this.itemView = options.itemView || MediaItem; |
| 206 | this.getItemView = _.memoize( function ( item ) { |
| 207 | var itemView = new this.itemView( { |
| 208 | model: item, |
| 209 | controller: this.controller |
| 210 | } ); |
| 211 | |
| 212 | this.listenToItemView( itemView ); |
| 213 | |
| 214 | return itemView; |
| 215 | }, |
| 216 | function ( item ) { |
| 217 | return item.cid; |
| 218 | } ); |
| 219 | |
| 220 | this.listenTo( this.collection, 'add', this.addItemView ); |
| 221 | this.listenTo( this.collection, 'remove', this.removeItemView ); |
| 222 | this.listenTo( this.collection, 'reset', this.resetItemViews ); |
| 223 | |
| 224 | // Sort media using sortable |
| 225 | this.initSortable(); |
| 226 | }, |
| 227 | |
| 228 | listenToItemView: function ( itemView ) { |
| 229 | this.listenTo( itemView, 'click:remove', this.removeItem ); |
| 230 | this.listenTo( itemView, 'click:switch', this.switchItem ); |
| 231 | this.listenTo( itemView, 'click:edit', this.editItem ); |
| 232 | }, |
| 233 | |
| 234 | //Add item view |
| 235 | addItemView: function ( item ) { |
| 236 | var index = this.collection.indexOf( item ), |
| 237 | itemEl = this.getItemView( item ).el; |
| 238 | |
| 239 | if ( 0 >= index ) { |
| 240 | this.$el.prepend( itemEl ); |
| 241 | } |
| 242 | else if ( this.$el.children().length <= index ) { |
| 243 | this.$el.append( itemEl ) |
| 244 | } |
| 245 | else { |
| 246 | this.$el.children().eq( index - 1 ).after( itemEl ); |
| 247 | } |
| 248 | }, |
| 249 | |
| 250 | // Remove item view |
| 251 | removeItemView: function ( item ) { |
| 252 | this.getItemView( item ).$el.detach(); |
| 253 | }, |
| 254 | |
| 255 | removeItem: function ( item ) { |
| 256 | this.collection.remove( item ); |
| 257 | }, |
| 258 | |
| 259 | resetItemViews: function( items, options ){ |
| 260 | var that = this; |
| 261 | _.each( options.previousModels, function( item ){ |
| 262 | that.removeItemView( item ); |
| 263 | } ); |
| 264 | items.each( function( item ) { |
| 265 | that.addItemView( item ); |
| 266 | } ); |
| 267 | }, |
| 268 | |
| 269 | switchItem: function ( item ) { |
| 270 | if ( this._switchFrame ) { |
| 271 | //this.stopListening( this._frame ); |
| 272 | this._switchFrame.dispose(); |
| 273 | } |
| 274 | this._switchFrame = new MediaSelect( { |
| 275 | className: 'media-frame rwmb-media-frame', |
| 276 | multiple: false, |
| 277 | title: i18nRwmbMedia.select, |
| 278 | editing: true, |
| 279 | library: { |
| 280 | type: this.controller.get( 'mimeType' ) |
| 281 | }, |
| 282 | edit: this.controller.get( 'items' ) |
| 283 | } ); |
| 284 | |
| 285 | this._switchFrame.on( 'select', function () { |
| 286 | var selection = this._switchFrame.state().get( 'selection' ), |
| 287 | collection = this.collection, |
| 288 | index = collection.indexOf( item ); |
| 289 | |
| 290 | if ( ! _.isEmpty( selection ) ) { |
| 291 | collection.remove( item ); |
| 292 | collection.add( selection, {at: index} ); |
| 293 | } |
| 294 | }, this ); |
| 295 | |
| 296 | this._switchFrame.open(); |
| 297 | return false; |
| 298 | }, |
| 299 | |
| 300 | editItem: function ( item ) { |
| 301 | // Destroy the previous collection frame. |
| 302 | if ( this._editFrame ) { |
| 303 | //this.stopListening( this._frame ); |
| 304 | this._editFrame.dispose(); |
| 305 | } |
| 306 | |
| 307 | // Trigger the media frame to open the correct item |
| 308 | this._editFrame = new EditMedia( { |
| 309 | frame: 'edit-attachments', |
| 310 | controller: { |
| 311 | // Needed to trick Edit modal to think there is a gridRouter |
| 312 | gridRouter: { |
| 313 | navigate: function ( destination ) { |
| 314 | }, |
| 315 | baseUrl: function ( url ) { |
| 316 | } |
| 317 | } |
| 318 | }, |
| 319 | library: this.collection, |
| 320 | model: item |
| 321 | } ); |
| 322 | |
| 323 | this._editFrame.open(); |
| 324 | }, |
| 325 | |
| 326 | initSortable: function () { |
| 327 | var collection = this.controller.get( 'items' ); |
| 328 | this.$el.sortable( { |
| 329 | // Clone the element and the clone will be dragged. Prevent trigger click on the image, which means reselect. |
| 330 | helper : 'clone', |
| 331 | |
| 332 | // Record the initial `index` of the dragged model. |
| 333 | start: function ( event, ui ) { |
| 334 | ui.item.data( 'sortableIndexStart', ui.item.index() ); |
| 335 | }, |
| 336 | |
| 337 | // Update the model's index in the collection. |
| 338 | // Do so silently, as the view is already accurate. |
| 339 | update: function ( event, ui ) { |
| 340 | var model = collection.at( ui.item.data( 'sortableIndexStart' ) ); |
| 341 | |
| 342 | // Silently shift the model to its new index. |
| 343 | collection.remove( model, { |
| 344 | silent: true |
| 345 | } ); |
| 346 | collection.add( model, { |
| 347 | silent: true, |
| 348 | at: ui.item.index() |
| 349 | } ); |
| 350 | |
| 351 | // Fire the `reset` event to ensure other collections sync. |
| 352 | collection.trigger( 'reset', collection ); |
| 353 | } |
| 354 | } ); |
| 355 | } |
| 356 | } ); |
| 357 | |
| 358 | /*** |
| 359 | * MediaStatus view. |
| 360 | * Show number of selected/uploaded files and number of files remain if "maxStatus" parameter is true. |
| 361 | */ |
| 362 | MediaStatus = views.MediaStatus = Backbone.View.extend( { |
| 363 | tagName: 'div', |
| 364 | className: 'rwmb-media-status', |
| 365 | template: wp.template( 'rwmb-media-status' ), |
| 366 | |
| 367 | initialize: function ( options ) { |
| 368 | this.controller = options.controller; |
| 369 | |
| 370 | // Auto hide if maxStatus is false |
| 371 | if ( ! this.controller.get( 'maxStatus' ) ) { |
| 372 | this.$el.hide(); |
| 373 | return; |
| 374 | } |
| 375 | |
| 376 | // Re-render if changes happen in controller |
| 377 | this.listenTo( this.controller.get( 'items' ), 'update', this.render ); |
| 378 | this.listenTo( this.controller.get( 'items' ), 'reset', this.render ); |
| 379 | |
| 380 | // Render |
| 381 | this.render(); |
| 382 | }, |
| 383 | |
| 384 | render: function () { |
| 385 | var attributes = _.clone( this.controller.attributes ); |
| 386 | this.$el.html( this.template( attributes ) ); |
| 387 | } |
| 388 | } ); |
| 389 | |
| 390 | /*** |
| 391 | * Media Button |
| 392 | * Selects and adds media to controller |
| 393 | */ |
| 394 | MediaButton = views.MediaButton = Backbone.View.extend( { |
| 395 | tagName: 'div', |
| 396 | className: 'rwmb-media-add', |
| 397 | template: wp.template( 'rwmb-media-button' ), |
| 398 | events: { |
| 399 | 'click .button': function () { |
| 400 | // Destroy the previous collection frame. |
| 401 | if ( this._frame ) { |
| 402 | //this.stopListening( this._frame ); |
| 403 | this._frame.dispose(); |
| 404 | } |
| 405 | var maxFiles = this.controller.get( 'maxFiles' ); |
| 406 | this._frame = new MediaSelect( { |
| 407 | className: 'media-frame rwmb-media-frame', |
| 408 | multiple: maxFiles > 1 || maxFiles <= 0 ? 'add' : false, |
| 409 | title: i18nRwmbMedia.select, |
| 410 | editing: true, |
| 411 | library: { |
| 412 | type: this.controller.get( 'mimeType' ) |
| 413 | }, |
| 414 | edit: this.controller.get( 'items' ) |
| 415 | } ); |
| 416 | |
| 417 | this._frame.on( 'select', function () { |
| 418 | var selection = this._frame.state().get( 'selection' ); |
| 419 | this.controller.get( 'items' ).add( selection.models ); |
| 420 | }, this ); |
| 421 | |
| 422 | this._frame.open(); |
| 423 | } |
| 424 | }, |
| 425 | render: function () { |
| 426 | this.$el.html( this.template( {text: i18nRwmbMedia.add} ) ); |
| 427 | return this; |
| 428 | }, |
| 429 | |
| 430 | initialize: function ( options ) { |
| 431 | this.controller = options.controller; |
| 432 | this.collection = this.controller.get( 'items' ); |
| 433 | |
| 434 | // Auto hide if you reach the max number of media |
| 435 | this.listenTo( this.controller, 'change:full', function () { |
| 436 | this.$el.toggle( ! this.controller.get( 'full' ) ); |
| 437 | } ); |
| 438 | |
| 439 | this.render(); |
| 440 | } |
| 441 | } ); |
| 442 | |
| 443 | /*** |
| 444 | * MediaItem |
| 445 | * View for individual media items |
| 446 | */ |
| 447 | MediaItem = views.MediaItem = Backbone.View.extend( { |
| 448 | tagName: 'li', |
| 449 | className: 'rwmb-media-item attachment', |
| 450 | template: wp.template( 'rwmb-media-item' ), |
| 451 | initialize: function ( options ) { |
| 452 | this.controller = options.controller; |
| 453 | this.render(); |
| 454 | this.listenTo( this.model, 'change', function () { |
| 455 | this.render(); |
| 456 | } ); |
| 457 | |
| 458 | this.$el.data( 'id', this.model.cid ); |
| 459 | }, |
| 460 | |
| 461 | |
| 462 | events: { |
| 463 | 'click .rwmb-overlay': function () { |
| 464 | this.trigger( 'click:switch', this.model ); |
| 465 | return false; |
| 466 | }, |
| 467 | |
| 468 | // Event when remove button clicked |
| 469 | 'click .rwmb-remove-media': function () { |
| 470 | this.trigger( 'click:remove', this.model ); |
| 471 | return false; |
| 472 | }, |
| 473 | |
| 474 | 'click .rwmb-edit-media': function () { |
| 475 | this.trigger( 'click:edit', this.model ); |
| 476 | return false; |
| 477 | } |
| 478 | }, |
| 479 | |
| 480 | render: function () { |
| 481 | var attrs = _.clone( this.model.attributes ); |
| 482 | attrs.controller = _.clone( this.controller.attributes ); |
| 483 | this.$el.html( this.template( attrs ) ); |
| 484 | return this; |
| 485 | } |
| 486 | } ); |
| 487 | |
| 488 | /** |
| 489 | * Extend media frames to make things work right |
| 490 | */ |
| 491 | |
| 492 | /** |
| 493 | * MediaDetails |
| 494 | * Custom version of TwoColumn view to prevent all video and audio from being unset |
| 495 | */ |
| 496 | MediaDetails = views.MediaDetails = media.view.Attachment.Details.TwoColumn.extend( { |
| 497 | render: function () { |
| 498 | var that = this; |
| 499 | media.view.Attachment.Details.prototype.render.apply( this, arguments ); |
| 500 | this.players = this.players || []; |
| 501 | |
| 502 | media.mixin.unsetPlayers.call( this ); |
| 503 | |
| 504 | this.$( 'audio, video' ).each( function ( i, elem ) { |
| 505 | var el = media.view.MediaDetails.prepareSrc( elem ); |
| 506 | that.players.push( new window.MediaElementPlayer( el, media.mixin.mejsSettings ) ); |
| 507 | } ); |
| 508 | } |
| 509 | } ); |
| 510 | |
| 511 | /** |
| 512 | * MediaLibrary |
| 513 | * Custom version of Library to exclude already selected media in a media frame |
| 514 | */ |
| 515 | MediaLibrary = media.controller.Library.extend( { |
| 516 | defaults: _.defaults( { |
| 517 | multiple: 'add', |
| 518 | filterable: 'uploaded', |
| 519 | priority: 100, |
| 520 | syncSelection: false |
| 521 | }, media.controller.Library.prototype.defaults ), |
| 522 | |
| 523 | activate: function () { |
| 524 | var library = this.get( 'library' ), |
| 525 | edit = this.frame.options.edit; |
| 526 | |
| 527 | if ( this.editLibrary && this.editLibrary !== edit ) { |
| 528 | library.unobserve( this.editLibrary ); |
| 529 | } |
| 530 | |
| 531 | // Accepts attachments that exist in the original library and |
| 532 | // that do not exist in gallery's library. |
| 533 | library.validator = function ( attachment ) { |
| 534 | return ! ! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && media.model.Selection.prototype.validator.apply( this, arguments ); |
| 535 | }; |
| 536 | |
| 537 | // Reset the library to ensure that all attachments are re-added |
| 538 | // to the collection. Do so silently, as calling `observe` will |
| 539 | // trigger the `reset` event. |
| 540 | library.reset( library.mirroring.models, {silent: true} ); |
| 541 | library.observe( edit ); |
| 542 | this.editLibrary = edit; |
| 543 | |
| 544 | media.controller.Library.prototype.activate.apply( this, arguments ); |
| 545 | } |
| 546 | } ); |
| 547 | |
| 548 | /** |
| 549 | * MediaSelect |
| 550 | * Custom version of Select media frame that uses MediaLibrary |
| 551 | */ |
| 552 | MediaSelect = views.MediaSelect = MediaFrame.Select.extend( { |
| 553 | /** |
| 554 | * Create the default states on the frame. |
| 555 | */ |
| 556 | createStates: function () { |
| 557 | var options = this.options; |
| 558 | |
| 559 | if ( this.options.states ) { |
| 560 | return; |
| 561 | } |
| 562 | |
| 563 | // Add the default states. |
| 564 | this.states.add( [ |
| 565 | // Main states. |
| 566 | new MediaLibrary( { |
| 567 | library: media.query( options.library ), |
| 568 | multiple: options.multiple, |
| 569 | title: options.title, |
| 570 | priority: 20 |
| 571 | } ) |
| 572 | ] ); |
| 573 | } |
| 574 | } ); |
| 575 | |
| 576 | /*** |
| 577 | * EditMedia |
| 578 | * Custom version of EditAttachments frame to prevent all video and audio from being unset |
| 579 | */ |
| 580 | EditMedia = views.EditMedia = MediaFrame.EditAttachments.extend( { |
| 581 | /** |
| 582 | * Content region rendering callback for the `edit-metadata` mode. |
| 583 | * |
| 584 | * @param {Object} contentRegion Basic object with a `view` property, which |
| 585 | * should be set with the proper region view. |
| 586 | */ |
| 587 | editMetadataMode: function ( contentRegion ) { |
| 588 | contentRegion.view = new MediaDetails( { |
| 589 | controller: this, |
| 590 | model: this.model |
| 591 | } ); |
| 592 | |
| 593 | /** |
| 594 | * Attach a subview to display fields added via the |
| 595 | * `attachment_fields_to_edit` filter. |
| 596 | */ |
| 597 | contentRegion.view.views.set( '.attachment-compat', new media.view.AttachmentCompat( { |
| 598 | controller: this, |
| 599 | model: this.model |
| 600 | } ) ); |
| 601 | } |
| 602 | } ); |
| 603 | |
| 604 | /** |
| 605 | * Initialize media fields |
| 606 | * @return void |
| 607 | */ |
| 608 | function initMediaField() { |
| 609 | var view = new MediaField( { input: this } ); |
| 610 | //Remove old then add new |
| 611 | $( this ).siblings( 'div.rwmb-media-view' ).remove(); |
| 612 | $( this ).after( view.el ); |
| 613 | } |
| 614 | |
| 615 | $( '.rwmb-file_advanced' ).each( initMediaField ); |
| 616 | $( document ).on( 'clone', '.rwmb-file_advanced', initMediaField ); |
| 617 | } ); |
| 618 |