| /* |
| * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Oracle nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /* |
| * This source code is provided to illustrate the usage of a given feature |
| * or technique and has been deliberately simplified. Additional steps |
| * required for a production-quality application, such as security checks, |
| * input validation and proper error handling, might not be present in |
| * this sample code. |
| */ |
| |
| |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.net.URL; |
| import java.net.MalformedURLException; |
| import java.io.*; |
| import javax.swing.text.*; |
| import javax.swing.event.*; |
| |
| |
| /** |
| * @author Steve Wilson |
| * @author Alexander Kouznetsov |
| */ |
| @SuppressWarnings("serial") |
| public class MetalworksHelp extends JInternalFrame { |
| |
| public MetalworksHelp() { |
| super("Help", true, true, true, true); |
| |
| setFrameIcon((Icon) UIManager.get("Tree.openIcon")); // PENDING(steve) need more general place to get this icon |
| setBounds(200, 25, 400, 400); |
| HtmlPane html = new HtmlPane(); |
| setContentPane(html); |
| } |
| } |
| |
| |
| @SuppressWarnings("serial") |
| class HtmlPane extends JScrollPane implements HyperlinkListener { |
| |
| JEditorPane html; |
| |
| @SuppressWarnings("LeakingThisInConstructor") |
| public HtmlPane() { |
| try { |
| URL url = getClass().getResource("/resources/HelpFiles/toc.html"); |
| html = new JEditorPane(url); |
| html.setEditable(false); |
| html.addHyperlinkListener(this); |
| html.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, |
| Boolean.TRUE); |
| JViewport vp = getViewport(); |
| vp.add(html); |
| } catch (MalformedURLException e) { |
| System.out.println("Malformed URL: " + e); |
| } catch (IOException e) { |
| System.out.println("IOException: " + e); |
| } |
| } |
| |
| /** |
| * Notification of a change relative to a |
| * hyperlink. |
| */ |
| public void hyperlinkUpdate(HyperlinkEvent e) { |
| if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { |
| linkActivated(e.getURL()); |
| } |
| } |
| |
| /** |
| * Follows the reference in an |
| * link. The given url is the requested reference. |
| * By default this calls <a href="#setPage">setPage</a>, |
| * and if an exception is thrown the original previous |
| * document is restored and a beep sounded. If an |
| * attempt was made to follow a link, but it represented |
| * a malformed url, this method will be called with a |
| * null argument. |
| * |
| * @param u the URL to follow |
| */ |
| protected void linkActivated(URL u) { |
| Cursor c = html.getCursor(); |
| Cursor waitCursor = Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR); |
| html.setCursor(waitCursor); |
| SwingUtilities.invokeLater(new PageLoader(u, c)); |
| } |
| |
| |
| /** |
| * temporary class that loads synchronously (although |
| * later than the request so that a cursor change |
| * can be done). |
| */ |
| class PageLoader implements Runnable { |
| |
| PageLoader(URL u, Cursor c) { |
| url = u; |
| cursor = c; |
| } |
| |
| public void run() { |
| if (url == null) { |
| // restore the original cursor |
| html.setCursor(cursor); |
| |
| // PENDING(prinz) remove this hack when |
| // automatic validation is activated. |
| Container parent = html.getParent(); |
| parent.repaint(); |
| } else { |
| Document doc = html.getDocument(); |
| try { |
| html.setPage(url); |
| } catch (IOException ioe) { |
| html.setDocument(doc); |
| getToolkit().beep(); |
| } finally { |
| // schedule the cursor to revert after |
| // the paint has happended. |
| url = null; |
| SwingUtilities.invokeLater(this); |
| } |
| } |
| } |
| URL url; |
| Cursor cursor; |
| } |
| } |