How to handle special key TAB or ENTER for EXTJs combobox to trigger.

Requirement is to trigger EXTJS combobox to trigger on tab change and press of enter key.

Below code is solution for above requirement.

        xtype: 'partsearchlov',

        name: 'partNumber',

        displayField: 'concatSegPartNum',

        valueField: 'concatSegPartNum',

        fieldLabel: 'Arrow Part',

        allowBlank: false,

        cls: 'required',

        minChars: 2,

        triggerAction: 'query',

        labelWidth: 80,

        listeners: {

          specialkey: function(field, e) {

            var val;

            if (e.getKey() === e.ENTER || e.getKey() === e.TAB) {

              val = field.getRawValue();

              if ( typeof val !== 'undefined') {

                if (val.indexOf('^') !== -1) {

                  val = val.slice(0, val.indexOf('^'));

                }

                field.doQuery(val, true, true);

              }

            }

          },

          scope: me

        }