org.eclipse.jface.viewers
Interface ILazyContentProvider
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All Superinterfaces:
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IContentProvider
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All Known Subinterfaces:
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IIndexableLazyContentProvider
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All Known Implementing Classes:
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DeferredContentProvider
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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.
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Method Summary
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void
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updateElement
(int index)
Called when a previously-blank item becomes visible in the
TableViewer. |
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.
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Parameters:
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index - The index that is being updated in the
table.
Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
