AnAction function ( ) { return null ; }
returns the action executed when the icon is left-clicked . concode_field_sep int myWeight concode_field_sep Alignment getAlignment concode_elem_sep boolean isDumbAware concode_elem_sep AnAction getMiddleButtonClickAction concode_elem_sep ActionGroup getPopupMenuActions concode_elem_sep int getWeight concode_elem_sep String getTooltipText concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean isNavigateAction concode_elem_sep GutterDraggableObject getDraggableObject concode_elem_sep Icon getIcon concode_elem_sep AnAction getRightButtonClickAction