Eclipse RSE Development Guide (Galileo) - SystemDeferredTreeContentManager (RSE API Specification)

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RSE
Release 3.0

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org.eclipse.rse.ui.operations
Class SystemDeferredTreeContentManager


java.lang.Object
  

org.eclipse.ui.progress.DeferredTreeContentManager
      
org.eclipse.rse.ui.operations.SystemDeferredTreeContentManager

public class SystemDeferredTreeContentManager
extends DeferredTreeContentManager
extends DeferredTreeContentManager

Constructor Summary

SystemDeferredTreeContentManager ( ITreeContentProvider provider, AbstractTreeViewer viewer)


Method Summary

protected void addChildren ( Object parent, Object[] children, IProgressMonitor monitor)


protected IDeferredWorkbenchAdapter getAdapter ( Object element)


Object[] getChildren ( Object parent, Viewer viewer)
          Returns the child elements of the given element, or in the case of a deferred element, returns a placeholder.

Methods inherited from class org.eclipse.ui.progress. DeferredTreeContentManager

addUpdateCompleteListener, cancel, createElementCollector, createPendingUpdateAdapter, getChildren, getFetchJobName, isDeferredAdapter, mayHaveChildren, runClearPlaceholderJob, startFetchingDeferredChildren

Methods inherited from class java.lang. Object

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

Constructor Detail

SystemDeferredTreeContentManager

public SystemDeferredTreeContentManager(
ITreeContentProvider provider,
                                        
AbstractTreeViewer viewer)

Method Detail

getAdapter

protected 
IDeferredWorkbenchAdapter getAdapter(
Object element)

Overrides:: getAdapter in class DeferredTreeContentManager

getChildren

public 
Object[] getChildren(
Object parent,
                            
Viewer viewer)

Returns the child elements of the given element, or in the case of a deferred element, returns a placeholder. If a deferred element is used, a job is created to fetch the children in the background. When the job for fetching the children is finished and the placeholder removed, the original selection is restored.

Parameters:: parent - The parent object.; viewer - The viewer
Returns:: Object[] or null if parent is not an instance of IDeferredWorkbenchAdapter.

addChildren

protected void addChildren(
Object parent,
                           
Object[] children,
                           
IProgressMonitor monitor)

Overrides:: addChildren in class DeferredTreeContentManager