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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

A data model for a combo box. This interface extends ListDataModel and adds the concept of a selected item. The selected item is generally the item which is visible in the combo box display area.

The selected item may not necessarily be managed by the underlying ListModel. This disjoint behavior allows for the temporary storage and retrieval of a selected item in the model.

Method Summary

Modifier and Type	Method and Description
Object	getSelectedItem() Returns the selected item
void	setSelectedItem(Object anItem) Set the selected item.

Methods inherited from interface javax.swing.ListModel

addListDataListener, getElementAt, getSize, removeListDataListener

Method Detail

setSelectedItem

void setSelectedItem(Object anItem)

Set the selected item. The implementation of this method should notify all registered ListDataListeners that the contents have changed.

Parameters:

anItem - the list object to select or null to clear the selection

getSelectedItem

Object getSelectedItem()

Returns the selected item

Returns:

The selected item or null if there is no selection