backbone-form multi select editor using select2

MultiSelect.js

define([
		'underscore',
		'backbone',
		'backbone-forms',
		'form-template',
		'select2'
	], function (_, Backbone) {

	return Backbone.Form.editors.Select.extend({
		attributes : {multiple : 'multiple'},
		
		render : function () {
			var self = this;
			this.setOptions(this.schema.options);
			setTimeout(function () {
				self.$el.select2({
					width : 'resolve'
				})
			}, 0);

			return this;
		},

		setValue : function (values) {
			if (!_.isArray(values)) values = [values];
			this.$el.val(values);
		},
	});
});