WordPress/wp-includes/js/media-grid.js

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/* global _wpMediaViewsL10n, MediaElementPlayer, _wpMediaGridSettings, confirm */
(function($, _, Backbone, wp) {
var media = wp.media, l10n;
// Link any localized strings.
if ( media.view.l10n ) {
l10n = media.view.l10n;
} else {
l10n = media.view.l10n = typeof _wpMediaViewsL10n === 'undefined' ? {} : _wpMediaViewsL10n;
delete l10n.settings;
}
/**
* A state for editing an attachment's metadata.
*
* @constructor
* @augments wp.media.controller.State
* @augments Backbone.Model
*/
media.controller.EditAttachmentMetadata = media.controller.State.extend({
defaults: {
id: 'edit-attachment',
title: l10n.attachmentDetails,
// Region mode defaults.
menu: false,
content: 'edit-metadata',
url: ''
},
_ready: function() {},
/**
* Override media.controller.State._postActivate, since this state doesn't
* include the regions expected there.
*/
_postActivate: function() {
this.frame.on( 'title:render:default', this._renderTitle, this );
this._title();
this._content();
},
/**
* @access private
*/
_title: function() {
this.frame.title.render( this.get('titleMode') || 'default' );
},
/**
* @access private
*/
_renderTitle: function( view ) {
view.$el.text( this.get('title') || '' );
},
_content: function() {
var mode = this.get( 'content' );
if ( mode ) {
this.frame.content.render( mode );
}
}
});
/**
* wp.media.view.MediaFrame.Manage
*
* A generic management frame workflow.
*
* Used in the media grid view.
*
* @constructor
* @augments wp.media.view.MediaFrame
* @augments wp.media.view.Frame
* @augments wp.media.View
* @augments wp.Backbone.View
* @augments Backbone.View
* @mixes wp.media.controller.StateMachine
*/
media.view.MediaFrame.Manage = media.view.MediaFrame.extend({
/**
* @global wp.Uploader
*/
initialize: function() {
var self = this;
_.defaults( this.options, {
title: '',
modal: false,
selection: [],
library: {},
multiple: 'add',
state: 'library',
uploader: true,
mode: [ 'grid', 'edit' ]
});
$(document).on( 'click', '.add-new-h2', _.bind( this.addNewClickHandler, this ) );
$(document).on( 'screen:options:open', _.bind( this.screenOptionsOpen, this ) );
$(document).on( 'screen:options:close', _.bind( this.screenOptionsClose, this ) );
// Ensure core and media grid view UI is enabled.
this.$el.addClass('wp-core-ui media-grid-view');
// Force the uploader off if the upload limit has been exceeded or
// if the browser isn't supported.
if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
this.options.uploader = false;
}
// Initialize a window-wide uploader.
if ( this.options.uploader ) {
this.uploader = new media.view.UploaderWindow({
controller: this,
uploader: {
dropzone: $('body'),
container: $('body')
}
}).render();
this.uploader.ready();
$('body').append( this.uploader.el );
this.options.uploader = false;
}
/**
* call 'initialize' directly on the parent class
*/
media.view.MediaFrame.prototype.initialize.apply( this, arguments );
// Since we're not using the default modal built into
// a media frame, append our $element to the supplied container.
this.$el.appendTo( this.options.container );
this.createSelection();
this.createStates();
this.bindHandlers();
this.render();
// Update the URL when entering search string (at most once per second)
$( '#media-search-input' ).on( 'input', _.debounce( function(e) {
var val = $( e.currentTarget ).val(), url = '';
if ( val ) {
url += '?search=' + val;
}
self.gridRouter.navigate( self.gridRouter.baseUrl( url ) );
}, 1000 ) );
_.delay( _.bind( this.createRouter, this ), 1000 );
},
screenOptionsOpen: function() {
this.$el.addClass( 'media-grid-view-options' );
},
screenOptionsClose: function() {
this.$el.removeClass( 'media-grid-view-options' );
},
createRouter: function() {
this.gridRouter = new media.view.MediaFrame.Manage.Router();
// Verify pushState support and activate
if ( window.history && window.history.pushState ) {
Backbone.history.start({
root: _wpMediaGridSettings.adminUrl,
pushState: true
});
}
},
createSelection: function() {
var selection = this.options.selection;
if ( ! (selection instanceof media.model.Selection) ) {
this.options.selection = new media.model.Selection( selection, {
multiple: this.options.multiple
});
}
this._selection = {
attachments: new media.model.Attachments(),
difference: []
};
},
createStates: function() {
var options = this.options;
if ( this.options.states ) {
return;
}
// Add the default states.
this.states.add([
new media.controller.Library({
library: media.query( options.library ),
multiple: options.multiple,
title: options.title,
priority: 20,
router: false,
content: 'browse',
filterable: 'mime-types'
})
]);
},
bindHandlers: function() {
this.on( 'content:create:browse', this.browseContent, this );
this.on( 'content:render:edit-image', this.editImageContent, this );
// Handle a frame-level event for editing an attachment.
this.on( 'edit:attachment', this.editAttachment, this );
},
addNewClickHandler: function( event ) {
event.preventDefault();
this.trigger( 'toggle:upload:attachment' );
},
/**
* Open the Edit Attachment modal.
*/
editAttachment: function( model ) {
// Create a new EditAttachment frame, passing along the library and the attachment model.
wp.media( {
frame: 'edit-attachments',
gridRouter: this.gridRouter,
library: this.state().get('library'),
model: model
} );
},
/**
* Content
*
* @param {Object} content
* @this wp.media.controller.Region
*/
browseContent: function( content ) {
var state = this.state();
// Browse our library of attachments.
content.view = new media.view.AttachmentsBrowser({
controller: this,
collection: state.get('library'),
selection: state.get('selection'),
model: state,
sortable: state.get('sortable'),
search: state.get('searchable'),
filters: state.get('filterable'),
display: state.get('displaySettings'),
dragInfo: state.get('dragInfo'),
sidebar: false,
suggestedWidth: state.get('suggestedWidth'),
suggestedHeight: state.get('suggestedHeight'),
AttachmentView: state.get('AttachmentView')
});
},
editImageContent: function() {
var image = this.state().get('image'),
view = new media.view.EditImage( { model: image, controller: this } ).render();
this.content.set( view );
// after creating the wrapper view, load the actual editor via an ajax call
view.loadEditor();
}
});
media.view.Attachment.Details.TwoColumn = media.view.Attachment.Details.extend({
template: wp.template( 'attachment-details-two-column' ),
events: {
'change [data-setting]': 'updateSetting',
'change [data-setting] input': 'updateSetting',
'change [data-setting] select': 'updateSetting',
'change [data-setting] textarea': 'updateSetting',
'click .delete-attachment': 'deleteAttachment',
'click .trash-attachment': 'trashAttachment',
'click .edit-attachment': 'editAttachment',
'click .refresh-attachment': 'refreshAttachment',
'click .edit-image': 'handleEditImageClick'
},
initialize: function() {
if ( ! this.model ) {
return;
}
this.$el.attr('aria-label', this.model.get( 'title' ) ).attr( 'aria-checked', false );
this.model.on( 'change:title', this._syncTitle, this );
this.model.on( 'change:caption', this._syncCaption, this );
this.model.on( 'change:percent', this.progress, this );
this.model.on( 'change:album', this._syncAlbum, this );
this.model.on( 'change:artist', this._syncArtist, this );
// Update the selection.
this.model.on( 'add', this.select, this );
this.model.on( 'remove', this.deselect, this );
this.model.on( 'sync', this.afterDelete, this );
},
preDestroy: function( event ) {
event.preventDefault();
this.lastIndex = this.controller.getCurrentIndex();
this.hasNext = this.controller.hasNext();
},
trashAttachment: function( event ) {
this.preDestroy( event );
media.view.Attachment.Details.prototype.trashAttachment.apply( this, arguments );
},
deleteAttachment: function( event ) {
this.preDestroy( event );
media.view.Attachment.Details.prototype.deleteAttachment.apply( this, arguments );
},
handleEditImageClick: function() {
this.controller.setState( 'edit-image' );
},
afterDelete: function( model ) {
if ( ! model.destroyed ) {
return;
}
var frame = this.controller, index = this.lastIndex;
if ( ! frame.library.length ) {
media.frame.modal.close();
return;
}
if ( this.hasNext ) {
index -= 1;
}
frame.model = frame.library.at( index );
frame.nextMediaItem();
},
render: function() {
media.view.Attachment.Details.prototype.render.apply( this, arguments );
media.mixin.removeAllPlayers();
$( 'audio, video', this.$el ).each( function (i, elem) {
var el = media.view.MediaDetails.prepareSrc( elem );
new MediaElementPlayer( el, media.mixin.mejsSettings );
} );
}
});
/**
* A router for handling the browser history and application state
*/
media.view.MediaFrame.Manage.Router = Backbone.Router.extend({
routes: {
'upload.php?item=:slug': 'showitem',
'upload.php?search=:query': 'search',
':default': 'defaultRoute'
},
// Map routes against the page URL
baseUrl: function( url ) {
return 'upload.php' + url;
},
// Respond to the search route by filling the search field and trigggering the input event
search: function( query ) {
// Ensure modal closed, see back button
this.closeModal();
$( '#media-search-input' ).val( query ).trigger( 'input' );
},
// Show the modal with a specific item
showitem: function( query ) {
var library = media.frame.state().get('library');
// Remove existing modal if present
this.closeModal();
// Trigger the media frame to open the correct item
media.frame.trigger( 'edit:attachment', library.findWhere( { id: parseInt( query, 10 ) } ) );
},
// Close the modal if set up
closeModal: function() {
if ( media.frame.modal ) {
media.frame.modal.close();
}
},
// Default route: make sure the modal and search are reset
defaultRoute: function() {
this.closeModal();
$( '#media-search-input' ).val( '' ).trigger( 'input' );
}
});
/**
* A frame for editing the details of a specific media item.
*
* Opens in a modal by default.
*
* Requires an attachment model to be passed in the options hash under `model`.
*/
media.view.MediaFrame.EditAttachments = media.view.MediaFrame.extend({
className: 'edit-attachment-frame',
template: media.template( 'edit-attachment-frame' ),
regions: [ 'title', 'content' ],
events: {
'click': 'collapse',
'click .delete-media-item': 'deleteMediaItem',
'click .left': 'previousMediaItem',
'click .right': 'nextMediaItem'
},
initialize: function() {
var self = this;
media.view.Frame.prototype.initialize.apply( this, arguments );
_.defaults( this.options, {
modal: true,
state: 'edit-attachment'
});
this.gridRouter = this.options.gridRouter;
this.library = this.options.library;
if ( this.options.model ) {
this.model = this.options.model;
} else {
this.model = this.library.at( 0 );
}
this.createStates();
this.on( 'content:render:edit-metadata', this.editMetadataContent, this );
this.on( 'content:render:edit-image', this.editImageContentUgh, this );
this.on( 'close', this.detach );
// Bind default title creation.
this.on( 'title:create:default', this.createTitle, this );
this.title.mode('default');
this.options.hasPrevious = this.hasPrevious();
this.options.hasNext = this.hasNext();
// Initialize modal container view.
if ( this.options.modal ) {
this.modal = new media.view.Modal({
controller: this,
title: this.options.title
});
this.modal.on( 'open', function () {
$( 'body' ).on( 'keydown.media-modal', _.bind( self.keyEvent, self ) );
} );
// Completely destroy the modal DOM element when closing it.
this.modal.on( 'close', function() {
self.modal.remove();
$( 'body' ).off( 'keydown.media-modal' ); /* remove the keydown event */
self.resetRoute();
} );
this.modal.content( this );
this.modal.open();
}
},
/**
* Add the default states to the frame.
*/
createStates: function() {
var editImageState = new media.controller.EditImage( { model: this.model } );
// Noop some methods.
editImageState._toolbar = function() {};
editImageState._router = function() {};
editImageState._menu = function() {};
this.states.add([
new media.controller.EditAttachmentMetadata( { model: this.model } ),
editImageState
]);
},
/**
* Content region rendering callback for the `edit-metadata` mode.
*/
editMetadataContent: function() {
var view = new media.view.Attachment.Details.TwoColumn({
controller: this,
model: this.model
});
this.content.set( view );
// Update browser url when navigating media details
if ( this.model ) {
this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
} else {
this.resetRoute();
}
},
/**
* For some reason the view doesn't exist in the DOM yet, don't have the
* patience to track this down right now.
*/
editImageContentUgh: function() {
_.defer( _.bind( this.editImageContent, this ) );
},
/**
* Render the EditImage view into the frame's content region.
*/
editImageContent: function() {
var view = new media.view.EditImage( { model: this.model, controller: this } ).render();
this.content.set( view );
// after creating the wrapper view, load the actual editor via an ajax call
view.loadEditor();
},
resetContent: function() {
this.modal.close();
wp.media( {
frame: 'edit-attachments',
gridRouter: this.gridRouter,
library: this.library,
model: this.model
} );
},
/**
* Click handler to switch to the previous media item.
*/
previousMediaItem: function() {
if ( ! this.hasPrevious() ) {
return;
}
this.model = this.library.at( this.getCurrentIndex() - 1 );
this.resetContent();
},
/**
* Click handler to switch to the next media item.
*/
nextMediaItem: function() {
if ( ! this.hasNext() ) {
return;
}
this.model = this.library.at( this.getCurrentIndex() + 1 );
this.resetContent();
},
getCurrentIndex: function() {
return this.library.indexOf( this.model );
},
hasNext: function() {
return ( this.getCurrentIndex() + 1 ) < this.library.length;
},
hasPrevious: function() {
return ( this.getCurrentIndex() - 1 ) > -1;
},
/**
* Respond to the keyboard events: right arrow, left arrow, escape.
*/
keyEvent: function( event ) {
var $target = $( event.target );
// Pressing the escape key routes back to main url
if ( event.keyCode === 27 ) {
this.resetRoute();
return event;
}
//Don't go left/right if we are in a textarea or input field
if ( $target.is( 'input' ) || $target.is( 'textarea' ) ) {
return event;
}
// The right arrow key
if ( event.keyCode === 39 ) {
this.nextMediaItem();
}
// The left arrow key
if ( event.keyCode === 37 ) {
this.previousMediaItem();
}
},
resetRoute: function() {
this.gridRouter.navigate( this.gridRouter.baseUrl( '' ) );
}
});
media.view.BulkSelection = media.View.extend({
className: 'bulk-select',
initialize: function() {
this.model = new Backbone.Model({
currentAction: ''
});
this.views.add(
new media.view.BulkSelectionActionDropdown({
controller: this
})
);
this.views.add(
new media.view.BulkSelectionActionButton({
disabled: true,
text: l10n.apply,
controller: this
})
);
}
});
media.view.BulkSelectionActionDropdown = media.View.extend({
tagName: 'select',
initialize: function() {
media.view.Button.prototype.initialize.apply( this, arguments );
this.listenTo( this.controller.controller.state().get( 'selection' ), 'add remove reset', _.bind( this.enabled, this ) );
this.$el.append( $('<option></option>').val( '' ).html( l10n.bulkActions ) )
.append( $('<option></option>').val( 'delete' ).html( l10n.deletePermanently ) );
this.$el.prop( 'disabled', true );
this.$el.on( 'change', _.bind( this.toggleChange, this ) );
},
toggleChange: function() {
this.controller.model.set( { 'currentAction': this.$el.val() } );
},
enabled: function() {
var disabled = ! this.controller.controller.state().get('selection').length;
this.$el.prop( 'disabled', disabled );
}
});
media.view.BulkSelectionActionButton = media.view.Button.extend({
tagName: 'button',
initialize: function() {
media.view.Button.prototype.initialize.apply( this, arguments );
this.listenTo( this.controller.model, 'change', this.enabled, this );
this.listenTo( this.controller.controller.state().get( 'selection' ), 'add remove reset', _.bind( this.enabled, this ) );
},
click: function() {
var selection = this.controller.controller.state().get('selection');
media.view.Button.prototype.click.apply( this, arguments );
// Currently assumes delete is the only action
if ( confirm( l10n.warnBulkDelete ) ) {
while ( selection.length > 0) {
selection.at(0).destroy();
}
}
this.enabled();
},
enabled: function() {
var currentAction = this.controller.model.get( 'currentAction' ),
selection = this.controller.controller.state().get('selection'),
disabled = ! currentAction || ! selection.length;
this.$el.prop( 'disabled', disabled );
}
});
}(jQuery, _, Backbone, wp));