oracle.ide.explorer
Class IconOverlayTracker

java.lang.Object
  oracle.ide.explorer.IconOverlayTracker

public abstract class IconOverlayTracker

extends java.lang.Object

Thread-based utility class tracking node visibility for overlay icons.

Constructor Summary

IconOverlayTracker()
Constructor.

IconOverlayTracker(int batchSize)
Constructor.

Method Summary

void	deregisterTreeExplorer(TreeExplorer tree) Deregisters the given tree explorer with the overlay tracker.
protected abstract java.util.List	getOverlayIcons(java.util.List elements) Gets a list of corresponding overlay icons for the given elements.
protected abstract boolean	isControlled(Element e) Asks whether the given element is controlled by the overlay client.
void	registerTreeExplorer(TreeExplorer tree) Registers the given tree explorer with the overlay tracker.
void	repaintOverlays() Repaints all visible tree explorer nodes after state changes.
void	stopTracking() Performs cleanup after use and prior to finalization.
void	validateOverlay(Element e) Validates the given element within the overlay cache.
void	validateOverlays() Validates all elements within the overlay cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

IconOverlayTracker

public IconOverlayTracker()

Constructor.

IconOverlayTracker

public IconOverlayTracker(int batchSize)

Constructor.

Parameters:

batchSize - the overlay request batch size.

Method Detail

isControlled

protected abstract boolean isControlled(Element e)

Asks whether the given element is controlled by the overlay client.

Parameters:

e - the element.

Returns:

a verdict.

getOverlayIcons

protected abstract java.util.List getOverlayIcons(java.util.List elements)

Gets a list of corresponding overlay icons for the given elements.

Parameters:

elements - the list of elements.

Returns:

the list of overlay icons.

registerTreeExplorer

public void registerTreeExplorer(TreeExplorer tree)

Registers the given tree explorer with the overlay tracker.

deregisterTreeExplorer

public void deregisterTreeExplorer(TreeExplorer tree)

Deregisters the given tree explorer with the overlay tracker.

validateOverlay

public void validateOverlay(Element e)

Validates the given element within the overlay cache.

Parameters:

e - the element.

validateOverlays

public void validateOverlays()

Validates all elements within the overlay cache.

repaintOverlays

public void repaintOverlays()

Repaints all visible tree explorer nodes after state changes.

stopTracking

public void stopTracking()

Performs cleanup after use and prior to finalization.