org.ascape.view.vis
Class ComponentViewDelegate

java.lang.Object
  org.ascape.model.event.DefaultScapeListener
      org.ascape.model.event.ScapeListenerDelegate
          org.ascape.view.vis.ComponentViewDelegate

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.EventListener, ScapeListener, HasName

public class ComponentViewDelegate
extends ScapeListenerDelegate

Manages the relationship between a component view and its scape, including determining when updates occur and managing the graphics recorder.

See Also:

Serialized Form

Field Summary

protected int

currentUpdate The update currently being drawn.

Fields inherited from class org.ascape.model.event.DefaultScapeListener

listeningToScape, name, scape

Constructor Summary

ComponentViewDelegate()
Constructs the ComponentViewDelegate.

ComponentViewDelegate(ComponentView scapeView)
Constructs the ComponentViewDelegate.

Method Summary

void	environmentQuiting(ScapeEvent scapeEvent) Called before the environment quits.
protected void	forceScapeNotify() Used to force a notification if the scape .
void	scapeAdded(ScapeEvent scapeEvent) Notifies the listener that the scape has added it.
void	scapeClosing(ScapeEvent scapeEvent) Method called as the scape is about to be closed.
void	scapeDeserialized(ScapeEvent scapeEvent) Notifies the delegating view that something has happened on the scape.
void	scapeNotification(ScapeEvent scapeEvent) Notifies the delegating view that something has happened on the scape.
void	setGraphicsRecorder(MovieRecorder recorder) Sets the recorder that can be used to record the graphics of this view.
void	viewPainted() Handles anything that should occur when a componenent paint happens.

Methods inherited from class org.ascape.model.event.ScapeListenerDelegate

getScapeListener, notifyScapeUpdated, scapeRemoved, setScapeListener, toString

Methods inherited from class org.ascape.model.event.DefaultScapeListener

clone, getName, getScape, isGraphic, isLifeOfScape, isNotifyScapeAutomatically, scapeInitialized, scapeIterated, scapeSetup, scapeStarted, scapeStopped, setName, setNotifyScapeAutomatically

Methods inherited from class java.lang.Object

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

Field Detail

currentUpdate

protected int currentUpdate

The update currently being drawn.

Constructor Detail

ComponentViewDelegate

public ComponentViewDelegate()

Constructs the ComponentViewDelegate.

ComponentViewDelegate

public ComponentViewDelegate(ComponentView scapeView)

Constructs the ComponentViewDelegate.

Parameters:

scapeView - the view this delegate is managing scape relationships for

Method Detail

scapeAdded

public void scapeAdded(ScapeEvent scapeEvent)
                throws java.util.TooManyListenersException

Notifies the listener that the scape has added it.

Specified by:

scapeAdded in interface ScapeListener

Overrides:

scapeAdded in class DefaultScapeListener

Parameters:

scapeEvent - the scape added notification event

Throws:

java.util.TooManyListenersException - the too many listeners exception

java.util.TooManyListenersException - on attempt to add this listener to another scape when one has already been assigned

scapeClosing

public void scapeClosing(ScapeEvent scapeEvent)

Method called as the scape is about to be closed. Allows any final view cleanup.

Specified by:

scapeClosing in interface ScapeListener

Overrides:

scapeClosing in class DefaultScapeListener

Parameters:

scapeEvent - the scape event

environmentQuiting

public void environmentQuiting(ScapeEvent scapeEvent)

Called before the environment quits. Allows any final view cleanup.

Specified by:

environmentQuiting in interface ScapeListener

Overrides:

environmentQuiting in class DefaultScapeListener

Parameters:

scapeEvent - the scape event

scapeNotification

public void scapeNotification(ScapeEvent scapeEvent)

Notifies the delegating view that something has happened on the scape. Manages recording and updating of views where appropriate, by calling repaint. When the paint subsequently occurs, the scape is notified.

Specified by:

scapeNotification in interface ScapeListener

Overrides:

scapeNotification in class ScapeListenerDelegate

Parameters:

scapeEvent - a scape event update

scapeDeserialized

public void scapeDeserialized(ScapeEvent scapeEvent)

Notifies the delegating view that something has happened on the scape. Manages recording and updating of views where appropriate, by calling repaint. When the paint subsequently occurs, the scape is notified.

Specified by:

scapeDeserialized in interface ScapeListener

Overrides:

scapeDeserialized in class DefaultScapeListener

Parameters:

scapeEvent - a scape event update

viewPainted

public void viewPainted()

Handles anything that should occur when a componenent paint happens. If recording, records. Notifes the scape. This method should be called from the component view paint methods.

forceScapeNotify

protected void forceScapeNotify()

Used to force a notification if the scape .

setGraphicsRecorder

public void setGraphicsRecorder(MovieRecorder recorder)

Sets the recorder that can be used to record the graphics of this view. If null, do not record.

Parameters:

recorder - the recorder