Interface ComboBoxModel
javax.swing
- All Superinterfaces:
- ListModel
- Known Subinterfaces:
- MutableComboBoxModel
- Known Implementing Classes:
- DefaultComboBoxModel, MetalFileChooserUI.DirectoryComboBoxModel, MetalFileChooserUI.FilterComboBoxModel
public interface ComboBoxModelextends ListModelThe 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
ObjectgetSelectedItem()- Returns the currently selected item in the combo box.
voidsetSelectedItem(Object item)- Sets the selected item in the combo box.
-
Methods inherited from interface javax.swing.ListModel
addListDataListener,getElementAt,getSize,removeListDataListener
Method Details
getSelectedItem
public Object getSelectedItem()
Returns the currently selected item in the combo box.
- Returns:
- The selected item (possibly
null).
setSelectedItem
public void setSelectedItem(Object item)
Sets the selected item in the combo box. Classes implementing this interface should fire aListDataEventto all registeredListDataListeners to indicate that the selection has changed.
- Parameters:
item- the selected item (nullpermitted).