Interface ItemSelectable
- All Known Subinterfaces:
ButtonModel
- All Known Implementing Classes:
-
AbstractButton
,BasicArrowButton
,Checkbox
,CheckboxMenuItem
,Choice
,DefaultButtonModel
,JButton
,JCheckBox
,JCheckBoxMenuItem
,JComboBox
,JMenu
,JMenuItem
,JRadioButton
,JRadioButtonMenuItem
,JToggleButton
,JToggleButton.ToggleButtonModel
,List
,MetalComboBoxButton
,MetalScrollButton
public interface ItemSelectable
The interface for objects which contain a set of items for which zero or more can be selected.
Method Summary
Modifier and Type | Method | Description |
---|---|---|
void | addItemListener(ItemListener l) | Adds a listener to receive item events when the state of an item is changed by the user. |
Object[] | getSelectedObjects() | Returns the selected items or |
void | removeItemListener(ItemListener l) | Removes an item listener. |
Method Detail
getSelectedObjects
Object[] getSelectedObjects()
Returns the selected items or null
if no items are selected.
- Returns:
- the list of selected objects, or
null
addItemListener
void addItemListener(ItemListener l)
Adds a listener to receive item events when the state of an item is changed by the user. Item events are not sent when an item's state is set programmatically. If l
is null
, no exception is thrown and no action is performed.
- Parameters:
-
l
- the listener to receive events - See Also:
ItemEvent
removeItemListener
void removeItemListener(ItemListener l)
Removes an item listener. If l
is null
, no exception is thrown and no action is performed.
- Parameters:
-
l
- the listener being removed - See Also:
ItemEvent