| /* |
| * 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 java.awt.Dimension; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.io.File; |
| import java.net.URL; |
| |
| import javax.swing.JEditorPane; |
| import javax.swing.JFrame; |
| import javax.swing.JOptionPane; |
| import javax.swing.JScrollPane; |
| import javax.swing.event.HyperlinkEvent; |
| import javax.swing.event.HyperlinkListener; |
| import javax.swing.text.html.HTMLDocument; |
| import javax.swing.text.html.HTMLFrameHyperlinkEvent; |
| |
| import org.apache.uima.tools.cvd.CVD; |
| import org.apache.uima.tools.cvd.MainFrame; |
| |
| /** |
| * Show the CVD manual in a Swing html widget. Unfortunately, the html we currently produce from |
| * our docbook source is too advanced for the the simple html widget, and is virtually unreadable. |
| * That makes this option relatively useless atm (it's better the more recent the Java version). |
| */ |
| public class ManualHandler implements ActionListener { |
| |
| private final MainFrame main; |
| |
| public ManualHandler(MainFrame frame) { |
| this.main = frame; |
| } |
| |
| private class Hyperactive implements HyperlinkListener { |
| |
| public void hyperlinkUpdate(HyperlinkEvent e) { |
| if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { |
| JEditorPane pane = (JEditorPane) e.getSource(); |
| if (e instanceof HTMLFrameHyperlinkEvent) { |
| HTMLFrameHyperlinkEvent evt = (HTMLFrameHyperlinkEvent) e; |
| HTMLDocument doc = (HTMLDocument) pane.getDocument(); |
| doc.processHTMLFrameHyperlinkEvent(evt); |
| } else { |
| try { |
| pane.setPage(e.getURL()); |
| } catch (Throwable t) { |
| t.printStackTrace(); |
| } |
| } |
| } |
| } |
| } |
| |
| public void actionPerformed(ActionEvent event) { |
| try { |
| String manFileName = "tools/tools.html"; |
| JFrame manFrame = new JFrame("CVD Manual"); |
| JEditorPane editorPane = new JEditorPane(); |
| editorPane.setEditable(false); |
| editorPane.addHyperlinkListener(new Hyperactive()); |
| URL manURL = ClassLoader.getSystemResource(manFileName); |
| if (manURL == null) { |
| String manpath = System.getProperty(CVD.MAN_PATH_PROPERTY, null); |
| if (manpath != null) { |
| File manDir = new File(manpath); |
| File manFile = new File(manDir, manFileName); |
| if (manFile.exists()) { |
| manURL = manFile.toURL(); |
| } |
| } |
| } |
| if (manURL == null) { |
| String msg = "Can't find manual. The manual is loaded via the classpath,\n" |
| + "so make sure the manual folder is in the classpath."; |
| JOptionPane.showMessageDialog(this.main, msg, "Error loading manual", |
| JOptionPane.ERROR_MESSAGE); |
| return; |
| } |
| editorPane.setPage(manURL); |
| JScrollPane scrollPane = new JScrollPane(editorPane); |
| scrollPane.setPreferredSize(new Dimension(700, 800)); |
| manFrame.setContentPane(scrollPane); |
| manFrame.pack(); |
| manFrame.setVisible(true); |
| URL cvdLinkUrl = new URL(manURL.toString() + "#ugr.tools.cvd"); |
| HyperlinkEvent e = new HyperlinkEvent(editorPane, HyperlinkEvent.EventType.ACTIVATED, |
| cvdLinkUrl); |
| editorPane.fireHyperlinkUpdate(e); |
| } catch (Exception e) { |
| this.main.handleException(e); |
| } |
| } |
| |
| } |