javax.swing

Interface ComboBoxModel

All Superinterfaces:

ListModel

All Known Subinterfaces:

MutableComboBoxModel

All Known Implementing Classes:

DefaultComboBoxModel, MetalFileChooserUI.DirectoryComboBoxModel, MetalFileChooserUI.FilterComboBoxModel

public interface ComboBoxModel
extends ListModel

The data model for a JComboBox. This model keeps track of elements contained in the JComboBox as well as the current combo box selection. Whenever the selection in the JComboBox changes, the ComboBoxModel should fire a ListDataEvent to the model's ListDataListeners.

Method Summary

Methods

Modifier and Type	Method and Description
Object	getSelectedItem() Returns the currently selected item in the combo box.
void	setSelectedItem(Object item) Sets the selected item in the combo box.

Methods inherited from interface javax.swing.ListModel

addListDataListener, getElementAt, getSize, removeListDataListener

Method Detail

setSelectedItem

void setSelectedItem(Object item)

Sets the selected item in the combo box. Classes implementing this interface should fire a ListDataEvent to all registered ListDataListeners to indicate that the selection has changed.

Parameters:

item - the selected item (null permitted).

getSelectedItem

Object getSelectedItem()

Returns the currently selected item in the combo box.

Returns:

The selected item (possibly null).