git.gag.com Git - debian/openrocket/blob - src/net/sf/openrocket/gui/components/URLLabel.java

   1 package net.sf.openrocket.gui.components;
   2
   3 import java.awt.Desktop;
   4 import java.awt.event.MouseAdapter;
   5 import java.awt.event.MouseEvent;
   6 import java.io.IOException;
   7 import java.net.URI;
   8 import java.net.URISyntaxException;
   9
  10 import javax.swing.JLabel;
  11
  12 /**
  13  * A label of a URL that is clickable.  Clicking the URL will launch the URL in
  14  * the default browser if the Desktop class is supported.
  15  *
  16  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  17  */
  18 public class URLLabel extends JLabel {
  19
  20         private final String url;
  21
  22         public URLLabel(String urlLabel) {
  23                 super();
  24
  25                 this.url = urlLabel;
  26
  27
  28                 if (Desktop.isDesktopSupported()) {
  29
  30                         setText("<html><a href=\"" + url + "\">" + url + "</a>");
  31
  32                         this.addMouseListener(new MouseAdapter() {
  33                                 @Override
  34                                 public void mouseClicked(MouseEvent e) {
  35                                         Desktop d = Desktop.getDesktop();
  36                                         try {
  37                                                 d.browse(new URI(url));
  38                                         } catch (URISyntaxException e1) {
  39                                                 throw new RuntimeException("BUG: Illegal URL: " + url, e1);
  40                                         } catch (IOException e1) {
  41                                                 System.err.println("Unable to launch browser:");
  42                                                 e1.printStackTrace();
  43                                         }
  44                                 }
  45                         });
  46
  47                 } else {
  48                         setText(url);
  49                 }
  50         }
  51 }