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/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.search;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
/**
* @author Rob Elves (moved into task.ui)
* @see org.eclipse.jface.viewers.IContentProvider
*/
public abstract class SearchResultContentProvider implements ITreeContentProvider {
/** An empty array of objects */
protected final Object[] EMPTY_ARR = new Object[0];
/** The search result for this content provider */
protected RepositorySearchResult searchResult;
public void dispose() {
// nothing to do
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (newInput instanceof RepositorySearchResult) {
initialize((RepositorySearchResult) newInput);
}
}
/**
* Initializes the content provider with the given search result.
*
* @param result
* The search result to use with this content provider
*/
protected void initialize(RepositorySearchResult result) {
searchResult = result;
}
/**
* This method is called whenever the set of matches for the given elements changes.
*
* @param updatedElements
* The array of objects that has to be refreshed
* @see
* @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#elementsChanged(java.lang.Object[])
*/
public abstract void elementsChanged(Object[] updatedElements);
/**
* Clears the viewer.
*/
public abstract void clear();
}
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