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/*******************************************************************************
* Copyright (c) 2006, 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.jface.tests.viewers;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeNode;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.widgets.Composite;
/**
* @since 3.2
*
*/
public class Bug327004TreeViewerTest extends ViewerTestCase {
private TreeViewer<TreeNode<String>,TreeNode<String>[]> treeViewer;
private TreeNode<String>[] rootElements;
/**
* @param name
*/
public Bug327004TreeViewerTest(String name) {
super(name);
}
protected StructuredViewer createViewer(Composite parent) {
treeViewer = new TreeViewer<TreeNode<String>,TreeNode<String>[]>(parent);
treeViewer.setContentProvider(new ITreeContentProvider<TreeNode<String>, TreeNode<String>[]>() {
public void dispose() {
// Do nothing
}
public void inputChanged(Viewer<? extends TreeNode<String>[]> viewer,
TreeNode<String>[] oldInput, TreeNode<String>[] newInput) {
// Do nothing
}
public TreeNode<String>[] getElements(
TreeNode<String>[] inputElement) {
return inputElement;
}
public TreeNode<String>[] getChildren(TreeNode<String> parentElement) {
return parentElement.getChildren();
}
public TreeNode<String> getParent(TreeNode<String> element) {
return element.getParent();
}
public boolean hasChildren(TreeNode<String> element) {
return element.hasChildren();
}
});
return treeViewer;
}
/* (non-Javadoc)
* @see org.eclipse.jface.tests.viewers.ViewerTestCase#setUpModel()
*/
@Override
protected void setUpModel() {
rootElements= new TreeNode[5];
rootElements[0]= new TreeNode<String>("0");
rootElements[1]= new TreeNode<String>("1");
rootElements[2]= new TreeNode<String>("1");
rootElements[3]= new TreeNode<String>("1");
rootElements[4]= new TreeNode<String>("1");
}
/* (non-Javadoc)
* @see org.eclipse.jface.tests.viewers.ViewerTestCase#setInput()
*/
@Override
protected void setInput() {
treeViewer.setInput(rootElements);
}
public void test327004() {
ViewerFilter<TreeNode<String>,TreeNode<String>[]> filter= new ViewerFilter<TreeNode<String>,TreeNode<String>[]>() {
public boolean select(Viewer<TreeNode<String>[]> viewer, Object parentElement, TreeNode<String> element) {
if (element == rootElements[0] || element == rootElements[1] || element == rootElements[2] || element == rootElements[4])
return false;
return true;
}
};
treeViewer.addFilter(filter);
int i= treeViewer.getTree().getItemCount();
assertEquals(4, i); // 4 because the filter doesn't work due to equal nodes
}
}
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