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Eclipse Platform
Release 3.5

org.eclipse.jface.viewers
Interface ILazyContentProvider

All Superinterfaces:
IContentProvider
All Known Subinterfaces:
IIndexableLazyContentProvider
All Known Implementing Classes:
DeferredContentProvider

public interface ILazyContentProvider
extends IContentProvider

The ILazyContentProvider is the content provider for table viewers created using the SWT.VIRTUAL flag that only wish to return their contents as they are queried. NOTE: As the ILazyContentProvider does not have API for determining the total item count any changes to the number of items for this object while require a call to #setItemCount on the viewer that uses it.


Method Summary
 void updateElement (int index)
          Called when a previously-blank item becomes visible in the TableViewer.
 
Methods inherited from interface org.eclipse.jface.viewers. IContentProvider
dispose, inputChanged
 

Method Detail

updateElement

void updateElement(int index)
Called when a previously-blank item becomes visible in the TableViewer. If the content provider knows the element at this row, it should respond by calling TableViewer#replace(Object, int). NOTE #updateElement(int index) can be used to determine selection values. TableViewer#replace(Object, int) is not called before returning from this method selections may have missing or stale elements. In this situation it is suggested that the selection is asked for again after he update.

Parameters:
index - The index that is being updated in the table.

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire