var EditorToolbar = View.extend({ el: "#builderToolbar", events: { "click [data-role='toggle-map-view']": 'toggleMap', "click [data-role='toggle-layout-settings']": 'toggleSettings', }, initialize: function(opt){ this.parent = opt.parent }, toggleMap: function(){ map.toggle() }, toggleSettings: function(){ this.parent.settings.toggle() }, })