J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * - Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * - Neither the name of Sun Microsystems nor the names of its |
| 16 | * contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | /* |
| 33 | */ |
| 34 | |
| 35 | import javax.swing.*; |
| 36 | import java.awt.*; |
| 37 | import java.net.URL; |
| 38 | import java.net.MalformedURLException; |
| 39 | import java.io.*; |
| 40 | import javax.swing.text.*; |
| 41 | import javax.swing.event.*; |
| 42 | |
| 43 | /* |
| 44 | * @author Steve Wilson |
| 45 | */ |
| 46 | public class MetalworksHelp extends JInternalFrame { |
| 47 | |
| 48 | public MetalworksHelp() { |
| 49 | super("Help", true, true, true, true); |
| 50 | |
| 51 | setFrameIcon( (Icon)UIManager.get("Tree.openIcon")); // PENDING(steve) need more general palce to get this icon |
| 52 | setBounds( 200, 25, 400, 400); |
| 53 | HtmlPane html = new HtmlPane(); |
| 54 | setContentPane(html); |
| 55 | } |
| 56 | |
| 57 | } |
| 58 | |
| 59 | |
| 60 | class HtmlPane extends JScrollPane implements HyperlinkListener { |
| 61 | JEditorPane html; |
| 62 | |
| 63 | public HtmlPane() { |
| 64 | try { |
| 65 | URL url = getClass().getResource("/resources/HelpFiles/toc.html"); |
| 66 | html = new JEditorPane(url); |
| 67 | html.setEditable(false); |
| 68 | html.addHyperlinkListener(this); |
| 69 | html.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, |
| 70 | Boolean.TRUE); |
| 71 | JViewport vp = getViewport(); |
| 72 | vp.add(html); |
| 73 | } catch (MalformedURLException e) { |
| 74 | System.out.println("Malformed URL: " + e); |
| 75 | } catch (IOException e) { |
| 76 | System.out.println("IOException: " + e); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Notification of a change relative to a |
| 82 | * hyperlink. |
| 83 | */ |
| 84 | public void hyperlinkUpdate(HyperlinkEvent e) { |
| 85 | if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { |
| 86 | linkActivated(e.getURL()); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Follows the reference in an |
| 92 | * link. The given url is the requested reference. |
| 93 | * By default this calls <a href="#setPage">setPage</a>, |
| 94 | * and if an exception is thrown the original previous |
| 95 | * document is restored and a beep sounded. If an |
| 96 | * attempt was made to follow a link, but it represented |
| 97 | * a malformed url, this method will be called with a |
| 98 | * null argument. |
| 99 | * |
| 100 | * @param u the URL to follow |
| 101 | */ |
| 102 | protected void linkActivated(URL u) { |
| 103 | Cursor c = html.getCursor(); |
| 104 | Cursor waitCursor = Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR); |
| 105 | html.setCursor(waitCursor); |
| 106 | SwingUtilities.invokeLater(new PageLoader(u, c)); |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * temporary class that loads synchronously (although |
| 111 | * later than the request so that a cursor change |
| 112 | * can be done). |
| 113 | */ |
| 114 | class PageLoader implements Runnable { |
| 115 | |
| 116 | PageLoader(URL u, Cursor c) { |
| 117 | url = u; |
| 118 | cursor = c; |
| 119 | } |
| 120 | |
| 121 | public void run() { |
| 122 | if (url == null) { |
| 123 | // restore the original cursor |
| 124 | html.setCursor(cursor); |
| 125 | |
| 126 | // PENDING(prinz) remove this hack when |
| 127 | // automatic validation is activated. |
| 128 | Container parent = html.getParent(); |
| 129 | parent.repaint(); |
| 130 | } else { |
| 131 | Document doc = html.getDocument(); |
| 132 | try { |
| 133 | html.setPage(url); |
| 134 | } catch (IOException ioe) { |
| 135 | html.setDocument(doc); |
| 136 | getToolkit().beep(); |
| 137 | } finally { |
| 138 | // schedule the cursor to revert after |
| 139 | // the paint has happended. |
| 140 | url = null; |
| 141 | SwingUtilities.invokeLater(this); |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | URL url; |
| 147 | Cursor cursor; |
| 148 | } |
| 149 | |
| 150 | } |