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/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.compare.internal;
import java.util.List;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* A specialized content provider to show a list of editor parts.
*/
public class ListContentProvider implements IStructuredContentProvider {
List fContents;
public ListContentProvider() {
// nothing to do
}
@Override
public Object[] getElements(Object input) {
if (fContents != null && fContents == input)
return fContents.toArray();
return new Object[0];
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (newInput instanceof List)
fContents= (List)newInput;
else
fContents= null;
// we use a fixed set.
}
@Override
public void dispose() {
// empty default implementation
}
public boolean isDeleted(Object o) {
return fContents != null && !fContents.contains(o);
}
}
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