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var _n = wp.i18n._n,
sprintf = wp.i18n.sprintf,
Selection;
/**
* wp.media.view.Selection
*
* @memberOf wp.media.view
*
* @class
* @augments wp.media.View
* @augments wp.Backbone.View
* @augments Backbone.View
*/
Selection = wp.media.View.extend(/** @lends wp.media.view.Selection.prototype */{
tagName: 'div',
className: 'media-selection',
template: wp.template('media-selection'),
events: {
'click .edit-selection': 'edit',
'click .clear-selection': 'clear'
},
initialize: function() {
_.defaults( this.options, {
editable: false,
clearable: true
});
/**
* @member {wp.media.view.Attachments.Selection}
*/
this.attachments = new wp.media.view.Attachments.Selection({
controller: this.controller,
collection: this.collection,
selection: this.collection,
model: new Backbone.Model()
});
this.views.set( '.selection-view', this.attachments );
this.collection.on( 'add remove reset', this.refresh, this );
this.controller.on( 'content:activate', this.refresh, this );
},
ready: function() {
this.refresh();
},
refresh: function() {
// If the selection hasn't been rendered, bail.
if ( ! this.$el.children().length ) {
return;
}
var collection = this.collection,
editing = 'edit-selection' === this.controller.content.mode();
// If nothing is selected, display nothing.
this.$el.toggleClass( 'empty', ! collection.length );
this.$el.toggleClass( 'one', 1 === collection.length );
this.$el.toggleClass( 'editing', editing );
this.$( '.count' ).text(
/* translators: %s: Number of selected media attachments. */
sprintf( _n( '%s item selected', '%s items selected', collection.length ), collection.length )
);
},
edit: function( event ) {
event.preventDefault();
if ( this.options.editable ) {
this.options.editable.call( this, this.collection );
}
},
clear: function( event ) {
event.preventDefault();
this.collection.reset();
// Move focus to the modal.
this.controller.modal.focusManager.focus();
}
});
module.exports = Selection;
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