/*******************************************************************************
* Copyright (c) 2007 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.jface.tests.performance;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.widgets.Shell;
/**
* @since 3.3
*
*/
public abstract class TreeTest extends ViewerTest {
TreeViewer viewer;
/**
* Create a new instance of the receiver.
* @param testName
* @param tagging
*/
public TreeTest(String testName, int tagging) {
super(testName, tagging);
}
/**
* Create a new instance of the receiver.
* @param testName
*/
public TreeTest(String testName) {
super(testName);
}
@Override
protected StructuredViewer createViewer(Shell shell) {
viewer = createTreeViewer(shell);
viewer.setContentProvider(getContentProvider());
viewer.setLabelProvider(getLabelProvider());
viewer.setSorter(new ViewerSorter());
viewer.setUseHashlookup(true);
return viewer;
}
/**
* Create the tree viewer
* @return
*/
protected TreeViewer createTreeViewer(Shell shell) {
return new TreeViewer(shell);
}
@Override
protected Object getInitialInput() {
return new TestTreeElement(0, null);
}
private IContentProvider getContentProvider() {
return new ITreeContentProvider() {
@Override
public Object[] getChildren(Object parentElement) {
TestTreeElement element = (TestTreeElement) parentElement;
return element.children;
}
@Override
public Object getParent(Object element) {
return ((TestTreeElement) element).parent;
}
@Override
public boolean hasChildren(Object element) {
return ((TestTreeElement) element).children.length > 0;
}
@Override
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
@Override
public void dispose() {
// Do nothing here
}
@Override
public void inputChanged(Viewer localViewer, Object oldInput,
Object newInput) {
// Do nothing here
}
};
}
}