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.
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Method Summary
Modifier and TypeMethodDescriptionvoid
Adds a listener to receive item events when the state of an item is changed by the user.Object[]
Returns the selected items ornull
if no items are selected.void
Removes an item listener.
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Method Details
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getSelectedObjects
Object[] getSelectedObjects()Returns the selected items ornull
if no items are selected.- Returns:
- the list of selected objects, or
null
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addItemListener
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. Ifl
isnull
, no exception is thrown and no action is performed.- Parameters:
l
- the listener to receive events- See Also:
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removeItemListener
Removes an item listener. Ifl
isnull
, no exception is thrown and no action is performed.- Parameters:
l
- the listener being removed- See Also:
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