whole_func_string: function() {
          var me = this;
          me.callParent(arguments);
          me.textField = me.down('textfield[name=searchField]');
          me.statusBar = me.down('statusbar[name=searchStatusBar]');
      }
func_code_string: function() {
          var me = this;
          me.callParent(arguments);
          me.textField = me.down('textfield[name=searchField]');
          me.statusBar = me.down('statusbar[name=searchStatusBar]');
      }
func_documentation_string: afterRender override: it adds textfield and statusbar reference and start monitoring keydown events in textfield input