Select2 object relation

/**
 * Select2
 *
 * Renders Select2 - jQuery based replacement for select boxes
 *
 * Simply pass a 'config' object on your schema, with any options to pass into Select2.
 * See http://ivaynberg.github.com/select2/#documentation
 */
 
Backbone.Form.editors.Select2Rel = Backbone.Form.editors.Base.extend({
 
  /**
   * @param {Object} options.schema.config    Options to pass to select2. See http://ivaynberg.github.com/select2/#documentation
   */
  initialize: function(options) {
    Backbone.Form.editors.Base.prototype.initialize.call(this, options);
 
    var schema = this.schema;
 
    this.config = schema.config || {};
    
    if (options.schema.config.multiple == true) {
    	var values = options.model.get(options.key),
      data = [];
      _.each(values, function(obj) {
    		data.push({id: obj.id, value: obj.value});
    	});
    }
    else {
    	var value = options.model.get(options.key);
    	data = {id: value.id, value: value.value};
    }
  },
 
  render: function() {
    var self = this;
  	setTimeout(function() {
      self.$el.select2(self.config);
			self.setValue(self.value);
    }, 0);
    
    return this;
  },
 
  getValue: function() {
    return this.$el.select2('val');
  },
 
  setValue: function(val) {
    this.$el.select2('val',val);
  }
 
});