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

All Methods Instance Methods Abstract Methods
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 null if no items are selected.

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