/**
* Constructor.
*
* @param owner The parent window.
* @param msg The text of the tool tip. This can be HTML.
*/
public TipWindow(Window owner, FocusableTip ft, String msg) {
super(owner);
this.ft = ft;
// Render plain text tool tips correctly.
if (msg != null && msg.length() >= 6 && !msg.substring(0, 6).toLowerCase().equals("<html>")) {
msg = "<html>" + RSyntaxUtilities.escapeForHtml(msg, "<br>", false);
}
this.text = msg;
tipListener = new TipListener();
JPanel cp = new JPanel(new BorderLayout());
cp.setBorder(TipUtil.getToolTipBorder());
cp.setBackground(TipUtil.getToolTipBackground());
textArea = new JEditorPane("text/html", text);
TipUtil.tweakTipEditorPane(textArea);
if (ft.getImageBase() != null) { // Base URL for images
((HTMLDocument) textArea.getDocument()).setBase(ft.getImageBase());
}
textArea.addMouseListener(tipListener);
textArea.addHyperlinkListener(
new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
TipWindow.this.ft.possiblyDisposeOfTipWindow();
}
}
});
cp.add(textArea);
setFocusableWindowState(false);
setContentPane(cp);
setBottomPanel(); // Must do after setContentPane()
pack();
// InputMap/ActionMap combo doesn't work for JWindows (even when
// using the JWindow's JRootPane), so we'll resort to KeyListener
KeyAdapter ka =
new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
TipWindow.this.ft.possiblyDisposeOfTipWindow();
}
}
};
addKeyListener(ka);
textArea.addKeyListener(ka);
// Ensure only 1 TipWindow is ever visible. If the caller does what
// they're supposed to and only creates these on the EDT, the
// synchronization isn't necessary, but we'll be extra safe.
synchronized (TipWindow.class) {
if (visibleInstance != null) {
visibleInstance.dispose();
}
visibleInstance = this;
}
}
