| /* |
| * Copyright (c) 2007, 2011, 2012, 2015 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.util.ui.views; |
| |
| import org.eclipse.net4j.util.container.IContainer; |
| |
| import org.eclipse.jface.viewers.ITreePathContentProvider; |
| import org.eclipse.jface.viewers.TreePath; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| @Deprecated |
| public class ContainerPathItemProvider<CONTAINER extends IContainer<Object>> extends ContainerItemProvider<CONTAINER> |
| implements ITreePathContentProvider |
| { |
| private Map<Object, List<TreePath>> parents = new HashMap<Object, List<TreePath>>(); |
| |
| public ContainerPathItemProvider() |
| { |
| } |
| |
| public ContainerPathItemProvider(IElementFilter rootElementFilter) |
| { |
| super(rootElementFilter); |
| } |
| |
| public boolean hasChildren(TreePath path) |
| { |
| return hasChildren((Object)path); |
| } |
| |
| public Object[] getChildren(TreePath path) |
| { |
| return getChildren((Object)path); |
| } |
| |
| public TreePath[] getParents(Object element) |
| { |
| List<TreePath> paths = parents.get(element); |
| if (paths != null) |
| { |
| return paths.toArray(new TreePath[paths.size()]); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| protected void addNode(Object element, Node node) |
| { |
| super.addNode(node.getTreePath(), node); |
| TreePath path = getParentPath(node); |
| List<TreePath> paths = parents.get(element); |
| if (paths == null) |
| { |
| paths = new ArrayList<TreePath>(); |
| parents.put(element, paths); |
| } |
| |
| paths.add(path); |
| } |
| |
| @Override |
| protected Node removeNode(Object element) |
| { |
| Node node = super.removeNode(element); |
| TreePath path = getParentPath(node); |
| List<TreePath> paths = parents.get(element); |
| if (paths != null) |
| { |
| paths.remove(path); |
| } |
| |
| return node; |
| } |
| |
| @Override |
| protected void disconnectInput(CONTAINER input) |
| { |
| super.disconnectInput(input); |
| } |
| |
| protected TreePath getParentPath(Node node) |
| { |
| Node parent = node.getParent(); |
| return parent == null ? TreePath.EMPTY : parent.getTreePath(); |
| } |
| } |