test

let isTabPressed = false;

document.addEventListener('keydown', function (e) {

  if (e.key === 'Tab') {

    isTabPressed = true;

  }

});

document.addEventListener('keyup', function (e) {

  if (e.key === 'Tab') {

    isTabPressed = false;

    // Collapse all expanded ComboBoxes

    Ext.ComponentQuery.query('combobox').forEach(combo => {

      if (combo.isExpanded && combo.isExpanded()) {

        combo.collapse();

        // Also blur the combobox to release focus

        if (combo.getFocusEl) {

          combo.getFocusEl().blur();

        }

      }

    });

  }

});