java.awt
Interface ItemSelectable
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- 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 ItemSelectableThe interface for objects which contain a set of items for which zero or more can be selected.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description voidaddItemListener(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 ornullif no items are selected.voidremoveItemListener(ItemListener l)Removes an item listener.
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Method Detail
getSelectedObjects
Object[] getSelectedObjects()
Returns the selected items ornullif no items are selected.
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. Iflisnull, no exception is thrown and no action is performed.- Parameters:
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l- the listener to receive events - See Also:
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ItemEvent
removeItemListener
void removeItemListener(ItemListener l)
Removes an item listener. Iflisnull, no exception is thrown and no action is performed.- Parameters:
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l- the listener being removed - See Also:
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ItemEvent
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