| /* |
| * 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.uima.tools.cvd.control; |
| |
| import javax.swing.event.TreeSelectionEvent; |
| import javax.swing.event.TreeSelectionListener; |
| |
| import org.apache.uima.tools.cvd.FSNode; |
| import org.apache.uima.tools.cvd.FSTreeNode; |
| import org.apache.uima.tools.cvd.MainFrame; |
| |
| /** |
| * Handle selection of annotations in annotation frame. If selected node represents an annotation, |
| * highlight the corresponding extent in the text. |
| */ |
| public class FSTreeSelectionListener implements TreeSelectionListener { |
| |
| private final MainFrame main; |
| |
| public FSTreeSelectionListener(MainFrame frame) { |
| this.main = frame; |
| } |
| |
| /** |
| * @see javax.swing.event.TreeSelectionListener#valueChanged(javax.swing.event.TreeSelectionEvent) |
| */ |
| public void valueChanged(TreeSelectionEvent event) { |
| // System.out.println(""); |
| FSTreeNode protoNode = (FSTreeNode) this.main.getFsTree().getLastSelectedPathComponent(); |
| if (!(protoNode instanceof FSNode)) { |
| return; |
| } |
| FSNode node = (FSNode) protoNode; |
| if (node == null) { |
| return; |
| } |
| // Remeber start of current selection. |
| final int currentSelStart = this.main.getTextArea().getSelectionStart(); |
| if (node.isAnnotation()) { |
| if (null != this.main.getCas().getDocumentText()) { |
| this.main.getTextArea().setSelectionStart(node.getStart()); |
| this.main.getTextArea().setSelectionEnd(node.getEnd()); |
| // System.out.println( |
| // "Setting selection from " + node.getStart() + " to " + |
| // node.getEnd()); |
| this.main.getTextArea().getCaret().setSelectionVisible(true); |
| } |
| } else { |
| this.main.getTextArea().setSelectionEnd(currentSelStart); |
| } |
| |
| } |
| |
| } |