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media.js
590 lines
| 1 | ( function ( $, wp, _, rwmb, i18n ) { |
| 2 | 'use strict'; |
| 3 | |
| 4 | var views = rwmb.views = rwmb.views || {}, |
| 5 | models = rwmb.models = rwmb.models || {}, |
| 6 | media = wp.media, |
| 7 | MediaFrame = media.view.MediaFrame, |
| 8 | MediaCollection, Controller, MediaField, MediaList, MediaItem, MediaButton, MediaStatus, EditMedia, |
| 9 | MediaDetails, MediaLibrary, MediaSelect; |
| 10 | |
| 11 | MediaCollection = Backbone.Collection.extend( { |
| 12 | model: wp.media.model.Attachment, |
| 13 | |
| 14 | initialize: function ( models, options ) { |
| 15 | this.controller = options.controller || new models.Controller; |
| 16 | this.on( 'add remove reset', function () { |
| 17 | var max = this.controller.get( 'maxFiles' ); |
| 18 | this.controller.set( 'length', this.length ); |
| 19 | this.controller.set( 'full', max > 0 && this.length >= max ); |
| 20 | } ); |
| 21 | }, |
| 22 | |
| 23 | add: function ( models, options ) { |
| 24 | var max = this.controller.get( 'maxFiles' ), |
| 25 | left = max - this.length; |
| 26 | |
| 27 | if ( ! models || ( max > 0 && left <= 0 ) ) { |
| 28 | return this; |
| 29 | } |
| 30 | if ( ! models.hasOwnProperty( 'length' ) ) { |
| 31 | models = [models]; |
| 32 | } else if ( models instanceof media.model.Attachments ) { |
| 33 | models = models.models; |
| 34 | } |
| 35 | |
| 36 | models = _.difference( models, this.models ); |
| 37 | if ( left > 0 ) { |
| 38 | models = _.first( models, left ); |
| 39 | } |
| 40 | |
| 41 | Backbone.Collection.prototype.add.call( this, models, options ); |
| 42 | }, |
| 43 | |
| 44 | remove: function ( models, options ) { |
| 45 | // Don't remove models if event is not fired from MB plugin. |
| 46 | if( ! $( event.target ).closest( '.rwmb-field, [data-class="rwmb-field"]' ).length ) { |
| 47 | return; |
| 48 | } |
| 49 | models = Backbone.Collection.prototype.remove.call( this, models, options ); |
| 50 | if ( this.controller.get( 'forceDelete' ) === true ) { |
| 51 | models = ! _.isArray( models ) ? [models] : models; |
| 52 | _.each( models, function ( model ) { |
| 53 | model.destroy(); |
| 54 | } ); |
| 55 | } |
| 56 | }, |
| 57 | |
| 58 | destroyAll: function () { |
| 59 | _.each( _.clone( this.models ), function ( model ) { |
| 60 | model.destroy(); |
| 61 | } ); |
| 62 | } |
| 63 | } ); |
| 64 | |
| 65 | /*** |
| 66 | * Controller Model |
| 67 | * Manages data of media field and media models. Most of the media views will use this to manage the media |
| 68 | */ |
| 69 | Controller = models.Controller = Backbone.Model.extend( { |
| 70 | //Default options |
| 71 | defaults: { |
| 72 | maxFiles: 0, |
| 73 | ids: [], |
| 74 | mimeType: '', |
| 75 | forceDelete: false, |
| 76 | maxStatus: true, |
| 77 | length: 0 |
| 78 | }, |
| 79 | |
| 80 | //Initialize Controller model |
| 81 | initialize: function () { |
| 82 | // All numbers, no 0 ids |
| 83 | this.set( 'ids', _.without( _.map( this.get( 'ids' ), Number ), 0, - 1 ) ); |
| 84 | |
| 85 | // Create items collection |
| 86 | this.set( 'items', new MediaCollection( [], {controller: this} ) ); |
| 87 | |
| 88 | // Listen for destroy event on controller, delete all models when triggered |
| 89 | this.on( 'destroy', function () { |
| 90 | if ( this.get( 'forceDelete' ) ) { |
| 91 | this.get( 'items' ).destroyAll(); |
| 92 | } |
| 93 | } ); |
| 94 | } |
| 95 | } ); |
| 96 | |
| 97 | /*** |
| 98 | * MediaField |
| 99 | * Sets up media field view and subviews |
| 100 | */ |
| 101 | MediaField = views.MediaField = Backbone.View.extend( { |
| 102 | className: 'rwmb-media-view', |
| 103 | initialize: function ( options ) { |
| 104 | var that = this, |
| 105 | fieldName = options.input.name; |
| 106 | this.$input = $( options.input ); |
| 107 | |
| 108 | if ( 1 != this.$input.attr( 'data-single-image' ) ) { |
| 109 | fieldName += '[]'; |
| 110 | } |
| 111 | |
| 112 | this.controller = new Controller( _.extend( |
| 113 | { |
| 114 | fieldName: fieldName, |
| 115 | ids: this.$input.val().split( ',' ) |
| 116 | }, |
| 117 | this.$input.data( 'options' ) |
| 118 | ) ); |
| 119 | |
| 120 | // Create views |
| 121 | this.createList(); |
| 122 | this.createAddButton(); |
| 123 | this.createStatus(); |
| 124 | |
| 125 | this.render(); |
| 126 | this.loadInitialAttachments(); |
| 127 | |
| 128 | // Listen for destroy event on input |
| 129 | this.$input.on( 'remove', function () { |
| 130 | that.controller.destroy(); |
| 131 | } ); |
| 132 | |
| 133 | var collection = this.controller.get( 'items' ); |
| 134 | this.$input.on( 'media:reset', function() { |
| 135 | collection.reset(); |
| 136 | } ); |
| 137 | |
| 138 | collection.on( 'all', _.debounce( function() { |
| 139 | var ids = collection.pluck( 'id' ).join( ',' ); |
| 140 | that.$input.val( ids ).trigger( 'change', [that.$( '.rwmb-media-input' )] ); |
| 141 | }, 500 ) ); |
| 142 | }, |
| 143 | |
| 144 | loadInitialAttachments: function () { |
| 145 | if ( ! this.$input.val() ) { |
| 146 | return; |
| 147 | } |
| 148 | var models = this.$input.data( 'attachments' ).map( function( attachment ) { |
| 149 | return wp.media.model.Attachment.create( attachment ); |
| 150 | } ); |
| 151 | this.controller.get( 'items' ).add( models ); |
| 152 | }, |
| 153 | |
| 154 | // Creates media list |
| 155 | createList: function () { |
| 156 | this.list = new MediaList( {controller: this.controller} ); |
| 157 | }, |
| 158 | |
| 159 | // Creates button that adds media |
| 160 | createAddButton: function () { |
| 161 | this.addButton = new MediaButton( {controller: this.controller} ); |
| 162 | }, |
| 163 | |
| 164 | // Creates status |
| 165 | createStatus: function () { |
| 166 | this.status = new MediaStatus( {controller: this.controller} ); |
| 167 | }, |
| 168 | |
| 169 | // Render field and adds sub fields |
| 170 | render: function () { |
| 171 | // Empty then add parts |
| 172 | this.$el.empty().append( |
| 173 | this.list.el, |
| 174 | this.status.el, |
| 175 | this.addButton.el |
| 176 | ); |
| 177 | } |
| 178 | } ); |
| 179 | |
| 180 | /*** |
| 181 | * Media List |
| 182 | * lists media |
| 183 | */ |
| 184 | MediaList = views.MediaList = Backbone.View.extend( { |
| 185 | tagName: 'ul', |
| 186 | className: 'rwmb-media-list', |
| 187 | |
| 188 | initialize: function ( options ) { |
| 189 | this.controller = options.controller; |
| 190 | this.collection = this.controller.get( 'items' ); |
| 191 | this.itemView = options.itemView || MediaItem; |
| 192 | this.getItemView = _.memoize( function ( item ) { |
| 193 | var itemView = new this.itemView( { |
| 194 | model: item, |
| 195 | controller: this.controller |
| 196 | } ); |
| 197 | |
| 198 | this.listenToItemView( itemView ); |
| 199 | |
| 200 | return itemView; |
| 201 | }, |
| 202 | function ( item ) { |
| 203 | return item.cid; |
| 204 | } |
| 205 | ); |
| 206 | |
| 207 | this.listenTo( this.collection, 'add', this.addItemView ); |
| 208 | this.listenTo( this.collection, 'remove', this.removeItemView ); |
| 209 | this.listenTo( this.collection, 'reset', this.resetItemViews ); |
| 210 | |
| 211 | // Sort items using helper 'clone' to prevent trigger click on the image, which means reselect. |
| 212 | this.$el.sortable( { |
| 213 | helper : 'clone', |
| 214 | start: function ( event, ui ) { |
| 215 | ui.placeholder.height( ui.helper.outerHeight() ); |
| 216 | ui.placeholder.width( ui.helper.outerWidth() ); |
| 217 | }, |
| 218 | update: function( event, ui ) { |
| 219 | ui.item.find( rwmb.inputSelectors ).first().trigger( 'mb_change' ); |
| 220 | } |
| 221 | } ); |
| 222 | }, |
| 223 | |
| 224 | listenToItemView: function ( itemView ) { |
| 225 | this.listenTo( itemView, 'click:remove', this.removeItem ); |
| 226 | this.listenTo( itemView, 'click:switch', this.switchItem ); |
| 227 | this.listenTo( itemView, 'click:edit', this.editItem ); |
| 228 | }, |
| 229 | |
| 230 | addItemView: function ( item ) { |
| 231 | var index = this.collection.indexOf( item ), |
| 232 | itemEl = this.getItemView( item ).el, |
| 233 | $children = this.$el.children(); |
| 234 | |
| 235 | if ( 0 >= index ) { |
| 236 | this.$el.prepend( itemEl ); |
| 237 | } else if ( $children.length <= index ) { |
| 238 | this.$el.append( itemEl ) |
| 239 | } else { |
| 240 | $children.eq( index - 1 ).after( itemEl ); |
| 241 | } |
| 242 | }, |
| 243 | |
| 244 | // Remove item view |
| 245 | removeItemView: function ( item ) { |
| 246 | this.getItemView( item ).$el.detach(); |
| 247 | }, |
| 248 | |
| 249 | removeItem: function ( item ) { |
| 250 | this.collection.remove( item ); |
| 251 | }, |
| 252 | |
| 253 | resetItemViews: function( items ){ |
| 254 | var that = this; |
| 255 | _.each( that.models, that.removeItemView ); |
| 256 | items.each( that.addItemView ); |
| 257 | }, |
| 258 | |
| 259 | switchItem: function ( item ) { |
| 260 | if ( this._switchFrame ) { |
| 261 | this._switchFrame.dispose(); |
| 262 | } |
| 263 | this._switchFrame = new MediaSelect( { |
| 264 | multiple: false, |
| 265 | editing: true, |
| 266 | library: { |
| 267 | type: this.controller.get( 'mimeType' ) |
| 268 | }, |
| 269 | edit: this.collection |
| 270 | } ); |
| 271 | |
| 272 | // Refresh content when frame opens |
| 273 | this._switchFrame.on( 'open', function() { |
| 274 | var frameContent = this._switchFrame.content.get(); |
| 275 | if ( frameContent && frameContent.collection ) { |
| 276 | frameContent.collection.mirroring._hasMore = true; |
| 277 | frameContent.collection.more(); |
| 278 | } |
| 279 | }, this ); |
| 280 | |
| 281 | this._switchFrame.on( 'select', function () { |
| 282 | var selection = this._switchFrame.state().get( 'selection' ), |
| 283 | collection = this.collection, |
| 284 | index = collection.indexOf( item ); |
| 285 | |
| 286 | if ( ! _.isEmpty( selection ) ) { |
| 287 | collection.remove( item ); |
| 288 | collection.add( selection, {at: index} ); |
| 289 | } |
| 290 | }, this ); |
| 291 | |
| 292 | this._switchFrame.open(); |
| 293 | return false; |
| 294 | }, |
| 295 | |
| 296 | editItem: function ( item ) { |
| 297 | if ( this._editFrame ) { |
| 298 | this._editFrame.dispose(); |
| 299 | } |
| 300 | |
| 301 | // Trigger the media frame to open the correct item. |
| 302 | this._editFrame = new EditMedia( { |
| 303 | frame: 'edit-attachments', |
| 304 | controller: { |
| 305 | gridRouter: new wp.media.view.MediaFrame.Manage.Router() |
| 306 | }, |
| 307 | library: this.collection, |
| 308 | model: item |
| 309 | } ); |
| 310 | |
| 311 | this._editFrame.open(); |
| 312 | } |
| 313 | } ); |
| 314 | |
| 315 | /*** |
| 316 | * MediaStatus view. |
| 317 | * Show number of selected/uploaded files and number of files remain if "maxStatus" parameter is true. |
| 318 | */ |
| 319 | MediaStatus = views.MediaStatus = Backbone.View.extend( { |
| 320 | tagName: 'div', |
| 321 | className: 'rwmb-media-status', |
| 322 | template: wp.template( 'rwmb-media-status' ), |
| 323 | |
| 324 | initialize: function ( options ) { |
| 325 | this.controller = options.controller; |
| 326 | |
| 327 | // Auto hide if maxStatus is false |
| 328 | if ( ! this.controller.get( 'maxStatus' ) ) { |
| 329 | this.$el.hide(); |
| 330 | return; |
| 331 | } |
| 332 | |
| 333 | // Re-render if changes happen in controller |
| 334 | this.listenTo( this.controller.get( 'items' ), 'update', this.render ); |
| 335 | this.listenTo( this.controller.get( 'items' ), 'reset', this.render ); |
| 336 | |
| 337 | // Render |
| 338 | this.render(); |
| 339 | }, |
| 340 | |
| 341 | render: function () { |
| 342 | this.$el.html( this.template( this.controller.toJSON() ) ); |
| 343 | } |
| 344 | } ); |
| 345 | |
| 346 | /*** |
| 347 | * Media Button |
| 348 | * Selects and adds media to controller |
| 349 | */ |
| 350 | MediaButton = views.MediaButton = Backbone.View.extend( { |
| 351 | tagName: 'div', |
| 352 | className: 'rwmb-media-add', |
| 353 | template: wp.template( 'rwmb-media-button' ), |
| 354 | events: { |
| 355 | 'click .button': function () { |
| 356 | if ( this._frame ) { |
| 357 | this._frame.dispose(); |
| 358 | } |
| 359 | var maxFiles = this.controller.get( 'maxFiles' ); |
| 360 | this._frame = new MediaSelect( { |
| 361 | multiple: maxFiles > 1 || maxFiles <= 0 ? 'add' : false, |
| 362 | editing: true, |
| 363 | library: { |
| 364 | type: this.controller.get( 'mimeType' ) |
| 365 | }, |
| 366 | edit: this.collection |
| 367 | } ); |
| 368 | |
| 369 | // Refresh content when frame opens |
| 370 | this._frame.on( 'open', function() { |
| 371 | var frameContent = this._frame.content.get(); |
| 372 | if ( frameContent && frameContent.collection ) { |
| 373 | frameContent.collection.mirroring._hasMore = true; |
| 374 | frameContent.collection.more(); |
| 375 | } |
| 376 | }, this ); |
| 377 | |
| 378 | this._frame.on( 'select', function () { |
| 379 | var selection = this._frame.state().get( 'selection' ); |
| 380 | if ( this.controller.get( 'addTo' ) === 'beginning' ) { |
| 381 | this.collection.add( selection.models, {at: 0} ); |
| 382 | } else { |
| 383 | this.collection.add( selection.models ); |
| 384 | } |
| 385 | }, this ); |
| 386 | |
| 387 | this._frame.open(); |
| 388 | } |
| 389 | }, |
| 390 | render: function () { |
| 391 | this.$el.html( this.template( {text: i18n.add} ) ); |
| 392 | return this; |
| 393 | }, |
| 394 | |
| 395 | initialize: function ( options ) { |
| 396 | this.controller = options.controller; |
| 397 | this.collection = this.controller.get( 'items' ); |
| 398 | |
| 399 | // Auto hide if you reach the max number of media |
| 400 | this.listenTo( this.controller, 'change:full', function () { |
| 401 | this.$el.toggle( ! this.controller.get( 'full' ) ); |
| 402 | } ); |
| 403 | |
| 404 | this.render(); |
| 405 | } |
| 406 | } ); |
| 407 | |
| 408 | /*** |
| 409 | * MediaItem |
| 410 | * View for individual media items |
| 411 | */ |
| 412 | MediaItem = views.MediaItem = Backbone.View.extend( { |
| 413 | tagName: 'li', |
| 414 | className: 'rwmb-file', |
| 415 | template: wp.template( 'rwmb-media-item' ), |
| 416 | initialize: function ( options ) { |
| 417 | this.controller = options.controller; |
| 418 | this.collection = this.controller.get( 'items' ); |
| 419 | this.render(); |
| 420 | this.listenTo( this.model, 'change', this.render ); |
| 421 | |
| 422 | this.$el.data( 'id', this.model.cid ); |
| 423 | }, |
| 424 | |
| 425 | events: { |
| 426 | 'click .rwmb-image-overlay': function ( e ) { |
| 427 | e.preventDefault(); |
| 428 | this.trigger( 'click:switch', this.model ); |
| 429 | }, |
| 430 | 'click .rwmb-remove-media': function ( e ) { |
| 431 | e.preventDefault(); |
| 432 | this.trigger( 'click:remove', this.model ); |
| 433 | }, |
| 434 | 'click .rwmb-edit-media': function ( e ) { |
| 435 | e.preventDefault(); |
| 436 | this.trigger( 'click:edit', this.model ); |
| 437 | } |
| 438 | }, |
| 439 | |
| 440 | render: function () { |
| 441 | var data = this.model.toJSON(); |
| 442 | data.controller = this.controller.toJSON(); |
| 443 | this.$el.html( this.template( data ) ); |
| 444 | return this; |
| 445 | } |
| 446 | } ); |
| 447 | |
| 448 | /** |
| 449 | * Extend media frames to make things work right |
| 450 | */ |
| 451 | |
| 452 | /** |
| 453 | * MediaDetails |
| 454 | * Custom version of TwoColumn view to prevent all video and audio from being unset |
| 455 | */ |
| 456 | MediaDetails = views.MediaDetails = media.view.Attachment.Details.TwoColumn.extend( { |
| 457 | render: function () { |
| 458 | var that = this; |
| 459 | media.view.Attachment.Details.prototype.render.apply( this, arguments ); |
| 460 | this.players = this.players || []; |
| 461 | |
| 462 | media.mixin.unsetPlayers.call( this ); |
| 463 | |
| 464 | this.$( 'audio, video' ).each( function ( i, elem ) { |
| 465 | var el = media.view.MediaDetails.prepareSrc( elem ); |
| 466 | that.players.push( new window.MediaElementPlayer( el, media.mixin.mejsSettings ) ); |
| 467 | } ); |
| 468 | } |
| 469 | } ); |
| 470 | |
| 471 | /** |
| 472 | * MediaLibrary |
| 473 | * Custom version of Library to exclude already selected media in a media frame |
| 474 | */ |
| 475 | MediaLibrary = media.controller.Library.extend( { |
| 476 | defaults: _.defaults( { |
| 477 | multiple: 'add', |
| 478 | filterable: 'all', |
| 479 | priority: 100, |
| 480 | syncSelection: false |
| 481 | }, media.controller.Library.prototype.defaults ), |
| 482 | |
| 483 | activate: function () { |
| 484 | var library = this.get( 'library' ), |
| 485 | edit = this.frame.options.edit; |
| 486 | |
| 487 | if ( this.editLibrary && this.editLibrary !== edit ) { |
| 488 | library.unobserve( this.editLibrary ); |
| 489 | } |
| 490 | |
| 491 | // Accepts attachments that exist in the original library and |
| 492 | // that do not exist in gallery's library. |
| 493 | library.validator = function ( attachment ) { |
| 494 | return ! ! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && media.model.Selection.prototype.validator.apply( this, arguments ); |
| 495 | }; |
| 496 | |
| 497 | // Reset the library to ensure that all attachments are re-added |
| 498 | // to the collection. Do so silently, as calling `observe` will |
| 499 | // trigger the `reset` event. |
| 500 | library.reset( library.mirroring.models, {silent: true} ); |
| 501 | library.observe( edit ); |
| 502 | this.editLibrary = edit; |
| 503 | |
| 504 | media.controller.Library.prototype.activate.apply( this, arguments ); |
| 505 | } |
| 506 | } ); |
| 507 | |
| 508 | /** |
| 509 | * MediaSelect |
| 510 | * Custom version of Select media frame that uses MediaLibrary |
| 511 | */ |
| 512 | MediaSelect = views.MediaSelect = MediaFrame.Select.extend( { |
| 513 | /** |
| 514 | * Create the default states on the frame. |
| 515 | */ |
| 516 | createStates: function () { |
| 517 | var options = this.options; |
| 518 | |
| 519 | // Add reference so we know MediaFrame belongs to MB plugin. |
| 520 | this.$el.attr( 'data-class', 'rwmb-field' ); |
| 521 | |
| 522 | if ( this.options.states ) { |
| 523 | return; |
| 524 | } |
| 525 | |
| 526 | // Add the default states. |
| 527 | this.states.add( [ |
| 528 | // Main states. |
| 529 | new MediaLibrary( { |
| 530 | library: media.query( options.library ), |
| 531 | multiple: options.multiple, |
| 532 | priority: 20 |
| 533 | } ) |
| 534 | ] ); |
| 535 | } |
| 536 | } ); |
| 537 | |
| 538 | /*** |
| 539 | * EditMedia |
| 540 | * Custom version of EditAttachments frame to prevent all video and audio from being unset |
| 541 | */ |
| 542 | EditMedia = views.EditMedia = MediaFrame.EditAttachments.extend( { |
| 543 | /** |
| 544 | * Content region rendering callback for the `edit-metadata` mode. |
| 545 | * |
| 546 | * @param {Object} contentRegion Basic object with a `view` property, which |
| 547 | * should be set with the proper region view. |
| 548 | */ |
| 549 | editMetadataMode: function ( contentRegion ) { |
| 550 | contentRegion.view = new MediaDetails( { |
| 551 | controller: this, |
| 552 | model: this.model |
| 553 | } ); |
| 554 | |
| 555 | /** |
| 556 | * Attach a subview to display fields added via the |
| 557 | * `attachment_fields_to_edit` filter. |
| 558 | */ |
| 559 | contentRegion.view.views.set( '.attachment-compat', new media.view.AttachmentCompat( { |
| 560 | controller: this, |
| 561 | model: this.model |
| 562 | } ) ); |
| 563 | }, |
| 564 | resetRoute: function() {} |
| 565 | } ); |
| 566 | |
| 567 | function initMediaField() { |
| 568 | var $this = $( this ), |
| 569 | view = $this.data( 'view' ); |
| 570 | |
| 571 | if ( view ) { |
| 572 | return; |
| 573 | } |
| 574 | |
| 575 | view = new MediaField( { input: this } ); |
| 576 | |
| 577 | $this.siblings( '.rwmb-media-view' ).remove(); |
| 578 | $this.after( view.el ); |
| 579 | $this.data( 'view', view ); |
| 580 | } |
| 581 | |
| 582 | function init( e ) { |
| 583 | $( e.target ).find( '.rwmb-file_advanced' ).each( initMediaField ); |
| 584 | } |
| 585 | |
| 586 | rwmb.$document |
| 587 | .on( 'mb_ready', init ) |
| 588 | .on( 'clone', '.rwmb-file_advanced', initMediaField ); |
| 589 | } )( jQuery, wp, _, rwmb, i18nRwmbMedia ); |
| 590 |