| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you under the Apache License, |
| * Version 2.0 (the "License"); you may not use this file except in |
| * compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.pivot.wtk; |
| |
| import org.apache.pivot.collections.Sequence.Tree.Path; |
| |
| /** |
| * Tree view node listener interface. |
| */ |
| public interface TreeViewNodeListener { |
| /** |
| * Tree view node listener adapter. |
| */ |
| public static class Adapter implements TreeViewNodeListener { |
| @Override |
| public void nodeInserted(TreeView treeView, Path path, int index) { |
| // empty block |
| } |
| |
| @Override |
| public void nodesRemoved(TreeView treeView, Path path, int index, int count) { |
| // empty block |
| } |
| |
| @Override |
| public void nodeUpdated(TreeView treeView, Path path, int index) { |
| // empty block |
| } |
| |
| @Override |
| public void nodesCleared(TreeView treeView, Path path) { |
| // empty block |
| } |
| |
| @Override |
| public void nodesSorted(TreeView treeView, Path path) { |
| // empty block |
| } |
| } |
| |
| /** |
| * Called when a node has been inserted into the tree view. |
| * |
| * @param treeView The source of this event. |
| * @param path The path to the branch where the node was inserted. |
| * @param index The index of the newly inserted node within the branch. |
| */ |
| public void nodeInserted(TreeView treeView, Path path, int index); |
| |
| /** |
| * Called when nodes have been removed from the tree view. |
| * |
| * @param treeView The source of this event. |
| * @param path The path to the branch where the node(s) were removed. |
| * @param index The index to the first removed node within the branch. |
| * @param count The number of nodes that were removed, or <tt>-1</tt> if all |
| * nodes were removed. |
| */ |
| public void nodesRemoved(TreeView treeView, Path path, int index, int count); |
| |
| /** |
| * Called when a node in the tree view has been updated. |
| * |
| * @param treeView The source of this event. |
| * @param path Path to the branch that is the parent of the updated node. |
| * @param index Index of the updated node within the branch. |
| */ |
| public void nodeUpdated(TreeView treeView, Path path, int index); |
| |
| /** |
| * Called when the nodes in a branch have been cleared. |
| * |
| * @param treeView The source of this event. |
| * @param path Path to the branch where the nodes were cleared. |
| */ |
| public void nodesCleared(TreeView treeView, Path path); |
| |
| /** |
| * Called when the nodes in a branch have been sorted. |
| * |
| * @param treeView The source of this event. |
| * @param path Path to the branch where the nodes were sorted. |
| */ |
| public void nodesSorted(TreeView treeView, Path path); |
| } |