- 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 popupboolean
isVisible()
Returns true if the popup is visible (currently being displayed).void
show()
Shows the popupvoid
uninstallingUI()
Called to inform the ComboPopup that the UI is uninstalling.
-
Method Details
-
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
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.
-