Interface ComboPopup
- All Known Implementing Classes:
-
BasicComboPopup
,MetalComboBoxUI.MetalComboPopup
public interface ComboPopup
The interface which defines the methods required for the implementation of the popup portion of a combo box.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans
package. Please see XMLEncoder
.
Method Summary
Modifier and Type | Method | Description |
---|---|---|
KeyListener | getKeyListener() | Returns a key listener that will be added to the combo box or null. |
JList<Object> | getList() | Returns the list that is being used to draw the items in the combo box. |
MouseListener | getMouseListener() | Returns a mouse listener that will be added to the combo box or null. |
MouseMotionListener | getMouseMotionListener() | Returns a mouse motion listener that will be added to the combo box or null. |
void | hide() | Hides the popup |
boolean | isVisible() | Returns true if the popup is visible (currently being displayed). |
void | show() | Shows the popup |
void | uninstallingUI() | Called to inform the ComboPopup that the UI is uninstalling. |
Method Detail
show
void show()
Shows the popup
hide
void hide()
Hides the popup
isVisible
boolean isVisible()
Returns true if the popup is visible (currently being displayed).
- Returns:
-
true
if the component is visible;false
otherwise.
getList
JList<Object> getList()
Returns the list that is being used to draw the items in the combo box. This method is highly implementation specific and should not be used for general list manipulation.
- Returns:
- the list that is being used to draw the items in the combo box
getMouseListener
MouseListener getMouseListener()
Returns a mouse listener that will be added to the combo box or null. If this method returns null then it will not be added to the combo box.
- Returns:
- a
MouseListener
or null
getMouseMotionListener
MouseMotionListener getMouseMotionListener()
Returns a mouse motion listener that will be added to the combo box or null. If this method returns null then it will not be added to the combo box.
- Returns:
- a
MouseMotionListener
or null
getKeyListener
KeyListener getKeyListener()
Returns a key listener that will be added to the combo box or null. If this method returns null then it will not be added to the combo box.
- Returns:
- a key listener that will be added to the combo box or null
uninstallingUI
void uninstallingUI()
Called to inform the ComboPopup that the UI is uninstalling. If the ComboPopup added any listeners in the component, it should remove them here.