+ if (!allowVertical) {
+ scroll.setVerticalScrollBarPolicy(
+ JScrollPane.VERTICAL_SCROLLBAR_NEVER);
+ }
+
+ return scroll;
+ }
+
+ /**
+ * Show a confirmation message to the user to show him the changes since
+ * last version.
+ * <p>
+ * HTML 3.2 supported, links included (the user browser will be launched if
+ * possible).
+ * <p>
+ * If this is already the latest version, a message will still be displayed.
+ *
+ * @param parentComponent
+ * determines the {@link java.awt.Frame} in which the dialog is
+ * displayed; if <code>null</code>, or if the
+ * <code>parentComponent</code> has no {@link java.awt.Frame}, a
+ * default {@link java.awt.Frame} is used
+ * @param updates
+ * the new version
+ * @param introText
+ * an introduction text before the list of changes
+ * @param title
+ * the title of the dialog
+ *
+ * @return TRUE if the user clicked on OK, false if the dialog was dismissed
+ */
+ static public boolean showUpdatedDialog(Component parentComponent,
+ VersionCheck updates, String introText, String title) {
+
+ StringBuilder builder = new StringBuilder();
+ final JEditorPane updateMessage = new JEditorPane("text/html", "");
+ if (introText != null && !introText.isEmpty()) {
+ builder.append(introText);
+ builder.append("<br>");
+ builder.append("<br>");
+ }
+ for (Version v : updates.getNewer()) {
+ builder.append("\t<b>" //
+ + "Version " + v.toString() //
+ + "</b>");
+ builder.append("<br>");
+ builder.append("<ul>");
+ for (String item : updates.getChanges().get(v)) {
+ builder.append("<li>" + item + "</li>");
+ }
+ builder.append("</ul>");
+ }
+
+ // html content
+ updateMessage.setText("<html><body>" //
+ + builder//
+ + "</body></html>");
+
+ // handle link events
+ updateMessage.addHyperlinkListener(new HyperlinkListener() {
+ @Override
+ public void hyperlinkUpdate(HyperlinkEvent e) {
+ if (e.getEventType().equals(HyperlinkEvent.EventType.ACTIVATED))
+ try {
+ Desktop.getDesktop().browse(e.getURL().toURI());
+ } catch (IOException ee) {
+ ee.printStackTrace();
+ } catch (URISyntaxException ee) {
+ ee.printStackTrace();
+ }
+ }
+ });
+ updateMessage.setEditable(false);
+ updateMessage.setBackground(new JLabel().getBackground());
+ updateMessage.addHyperlinkListener(new HyperlinkListener() {
+ @Override
+ public void hyperlinkUpdate(HyperlinkEvent evn) {
+ if (evn.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
+ if (Desktop.isDesktopSupported()) {
+ try {
+ Desktop.getDesktop().browse(evn.getURL().toURI());
+ } catch (IOException e) {
+ } catch (URISyntaxException e) {
+ }
+ }
+ }
+ }
+ });
+
+ return JOptionPane.showConfirmDialog(parentComponent, updateMessage,
+ title, JOptionPane.DEFAULT_OPTION) == JOptionPane.OK_OPTION;