javax.swing
Class PopupFactory.LightWeightPopup

java.lang.Object
  javax.swing.Popup
      javax.swing.PopupFactory.ContainerPopup
          javax.swing.PopupFactory.LightWeightPopup

Enclosing class:

PopupFactory

private static class PopupFactory.LightWeightPopup

extends PopupFactory.ContainerPopup

Popup implementation that uses a JPanel as the popup.

Nested Class Summary

Nested classes inherited from class javax.swing.Popup

Popup.DefaultFrame, Popup.HeavyWeightWindow

Field Summary

private static Object	lightWeightPopupCacheKey
(package private) Component	owner Component we are to be added to.
(package private) int	x Desired x location.
(package private) int	y Desired y location.

Fields inherited from class javax.swing.Popup

Constructor Summary

private

PopupFactory.LightWeightPopup()

Method Summary

(package private) Component	createComponent(Component owner) Creates the Component to use as the parent of the Popup.
(package private) boolean	fitsOnScreen() Returns true if the Popup can fit on the screen.
(package private) static Popup	getLightWeightPopup(Component owner, Component contents, int ownerX, int ownerY) Returns a light weight Popup implementation.
private static List	getLightWeightPopupCache() Returns the cache to use for heavy weight popups.
private static PopupFactory.LightWeightPopup	getRecycledLightWeightPopup() Returns a previously used LightWeightPopup, or null if none of the popups have been recycled.
void	hide() Hides and disposes of the Popup.
(package private) boolean	overlappedByOwnedWindow()
void	pack() Causes the Popup to be sized to fit the preferred size of the Component it contains.
private static void	recycleLightWeightPopup(PopupFactory.LightWeightPopup popup) Recycles the LightWeightPopup popup.
(package private) void	reset(Component owner, Component contents, int ownerX, int ownerY) Resets the Popup to an initial state.
void	show() Makes the Popup visible.

Methods inherited from class javax.swing.Popup

dispose, getComponent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

lightWeightPopupCacheKey

private static final Object lightWeightPopupCacheKey

owner

Component owner

Component we are to be added to.

x

int x

Desired x location.

y

int y

Desired y location.

Constructor Detail

PopupFactory.LightWeightPopup

private PopupFactory.LightWeightPopup()

Method Detail

getLightWeightPopup

static Popup getLightWeightPopup(Component owner,
                                 Component contents,
                                 int ownerX,
                                 int ownerY)

Returns a light weight Popup implementation. If the Popup needs more space that in available in owner, this will return null.

getLightWeightPopupCache

private static List getLightWeightPopupCache()

Returns the cache to use for heavy weight popups.

recycleLightWeightPopup

private static void recycleLightWeightPopup(PopupFactory.LightWeightPopup popup)

Recycles the LightWeightPopup popup.

getRecycledLightWeightPopup

private static PopupFactory.LightWeightPopup getRecycledLightWeightPopup()

Returns a previously used LightWeightPopup, or null if none of the popups have been recycled.

hide

public void hide()

Description copied from class: Popup

Hides and disposes of the Popup. Once a Popup has been disposed you should no longer invoke methods on it. A disposed Popup may be reclaimed and later used based on the PopupFactory. As such, if you invoke methods on a disposed Popup, indeterminate behavior will result.

Overrides:

hide in class PopupFactory.ContainerPopup

show

public void show()

Description copied from class: Popup

Makes the Popup visible. If the Popup is currently visible, this has no effect.

Overrides:

show in class Popup

createComponent

Component createComponent(Component owner)

Description copied from class: Popup

Creates the Component to use as the parent of the Popup. The default implementation creates a Window, subclasses should override.

Overrides:

createComponent in class Popup

reset

void reset(Component owner,
           Component contents,
           int ownerX,
           int ownerY)

Resets the Popup to an initial state.

Overrides:

reset in class PopupFactory.ContainerPopup

pack

public void pack()

Description copied from class: Popup

Causes the Popup to be sized to fit the preferred size of the Component it contains.

Overrides:

pack in class Popup

overlappedByOwnedWindow

boolean overlappedByOwnedWindow()

fitsOnScreen

boolean fitsOnScreen()

Returns true if the Popup can fit on the screen.