WordPress/wp-includes/js/media/controllers/replace-image.js

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/*globals wp, _ */
/**
* wp.media.controller.ReplaceImage
*
* A state for replacing an image.
*
* @class
* @augments wp.media.controller.Library
* @augments wp.media.controller.State
* @augments Backbone.Model
*
* @param {object} [attributes] The attributes hash passed to the state.
* @param {string} [attributes.id=replace-image] Unique identifier.
* @param {string} [attributes.title=Replace Image] Title for the state. Displays in the media menu and the frame's title region.
* @param {wp.media.model.Attachments} [attributes.library] The attachments collection to browse.
* If one is not supplied, a collection of all images will be created.
* @param {boolean} [attributes.multiple=false] Whether multi-select is enabled.
* @param {string} [attributes.content=upload] Initial mode for the content region.
* Overridden by persistent user setting if 'contentUserSetting' is true.
* @param {string} [attributes.menu=default] Initial mode for the menu region.
* @param {string} [attributes.router=browse] Initial mode for the router region.
* @param {string} [attributes.toolbar=replace] Initial mode for the toolbar region.
* @param {int} [attributes.priority=60] The priority for the state link in the media menu.
* @param {boolean} [attributes.searchable=true] Whether the library is searchable.
* @param {boolean|string} [attributes.filterable=uploaded] Whether the library is filterable, and if so what filters should be shown.
* Accepts 'all', 'uploaded', or 'unattached'.
* @param {boolean} [attributes.sortable=true] Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
* @param {boolean} [attributes.autoSelect=true] Whether an uploaded attachment should be automatically added to the selection.
* @param {boolean} [attributes.describe=false] Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
* @param {boolean} [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
* @param {boolean} [attributes.syncSelection=true] Whether the Attachments selection should be persisted from the last state.
*/
var Library = require( './library.js' ),
l10n = wp.media.view.l10n,
ReplaceImage;
ReplaceImage = Library.extend({
defaults: _.defaults({
id: 'replace-image',
title: l10n.replaceImageTitle,
multiple: false,
filterable: 'uploaded',
toolbar: 'replace',
menu: false,
priority: 60,
syncSelection: true
}, Library.prototype.defaults ),
/**
* @since 3.9.0
*
* @param options
*/
initialize: function( options ) {
var library, comparator;
this.image = options.image;
// If we haven't been provided a `library`, create a `Selection`.
if ( ! this.get('library') ) {
this.set( 'library', wp.media.query({ type: 'image' }) );
}
Library.prototype.initialize.apply( this, arguments );
library = this.get('library');
comparator = library.comparator;
// Overload the library's comparator to push items that are not in
// the mirrored query to the front of the aggregate collection.
library.comparator = function( a, b ) {
var aInQuery = !! this.mirroring.get( a.cid ),
bInQuery = !! this.mirroring.get( b.cid );
if ( ! aInQuery && bInQuery ) {
return -1;
} else if ( aInQuery && ! bInQuery ) {
return 1;
} else {
return comparator.apply( this, arguments );
}
};
// Add all items in the selection to the library, so any featured
// images that are not initially loaded still appear.
library.observe( this.get('selection') );
},
/**
* @since 3.9.0
*/
activate: function() {
this.updateSelection();
Library.prototype.activate.apply( this, arguments );
},
/**
* @since 3.9.0
*/
updateSelection: function() {
var selection = this.get('selection'),
attachment = this.image.attachment;
selection.reset( attachment ? [ attachment ] : [] );
}
});
module.exports = ReplaceImage;