| /******************************************************************************* |
| * Copyright (c) 2010 Oakland Software Incorporated 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: |
| * Francis Upton IV, Oakland Software - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.ui.tests.navigator.extension; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * Provides some children for a given resource. |
| */ |
| public class TestSimpleChildrenContentProvider implements ITreeContentProvider { |
| |
| public static final int NUM_ITEMS = 4; |
| |
| public String _name; |
| |
| private Object[] _children; |
| |
| public class SimpleChild { |
| public String _name; |
| public Object _parent; |
| |
| @Override |
| public String toString() { |
| return _name; |
| } |
| } |
| |
| public TestSimpleChildrenContentProvider() { |
| } |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof IResource) { |
| if (_children == null) { |
| List l = new ArrayList(); |
| for (int i = 0; i < NUM_ITEMS; i++) { |
| SimpleChild child = new SimpleChild(); |
| child._parent = parentElement; |
| child._name = _name + i; |
| l.add(child); |
| } |
| _children = l.toArray(); |
| } |
| return _children; |
| } |
| return new Object[] {}; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| SimpleChild child = (SimpleChild) element; |
| return child._parent; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| return true; |
| } |
| |
| @Override |
| public void inputChanged(Viewer aViewer, Object oldInput, Object newInput) { |
| _children = null; |
| } |
| |
| @Override |
| public void dispose() { |
| } |
| } |