/**
* 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;
}
}
/** Disposes of this window. */
@Override
public void dispose() {
// System.out.println("[DEBUG]: Disposing...");
Container cp = getContentPane();
for (int i = 0; i < cp.getComponentCount(); i++) {
// Okay if listener is already removed
cp.getComponent(i).removeMouseListener(tipListener);
}
ft.removeListeners();
super.dispose();
}
public void actionPerformed(ActionEvent e) {
if (!getFocusableWindowState()) {
setFocusableWindowState(true);
setBottomPanel();
textArea.removeMouseListener(tipListener);
pack();
addWindowFocusListener(
new WindowAdapter() {
@Override
public void windowLostFocus(WindowEvent e) {
ft.possiblyDisposeOfTipWindow();
}
});
ft.removeListeners();
if (e == null) { // Didn't get here via our mouseover timer
requestFocus();
}
}
}
private void setBottomPanel() {
final JPanel panel = new JPanel(new BorderLayout());
panel.add(new JSeparator(), BorderLayout.NORTH);
boolean focusable = getFocusableWindowState();
if (focusable) {
SizeGrip sg = new SizeGrip();
sg.applyComponentOrientation(sg.getComponentOrientation()); // Workaround
panel.add(sg, BorderLayout.LINE_END);
MouseInputAdapter adapter =
new MouseInputAdapter() {
private Point lastPoint;
@Override
public void mouseDragged(MouseEvent e) {
Point p = e.getPoint();
SwingUtilities.convertPointToScreen(p, panel);
if (lastPoint == null) {
lastPoint = p;
} else {
int dx = p.x - lastPoint.x;
int dy = p.y - lastPoint.y;
setLocation(getX() + dx, getY() + dy);
lastPoint = p;
}
}
@Override
public void mousePressed(MouseEvent e) {
lastPoint = e.getPoint();
SwingUtilities.convertPointToScreen(lastPoint, panel);
}
};
panel.addMouseListener(adapter);
panel.addMouseMotionListener(adapter);
// Don't add tipListener to the panel or SizeGrip
} else {
panel.setOpaque(false);
JLabel label = new JLabel(FocusableTip.getString("FocusHotkey"));
Color fg = UIManager.getColor("Label.disabledForeground");
Font font = textArea.getFont();
font = font.deriveFont(font.getSize2D() - 1.0f);
label.setFont(font);
if (fg == null) { // Non BasicLookAndFeel-derived Looks
fg = Color.GRAY;
}
label.setOpaque(true);
Color bg = TipUtil.getToolTipBackground();
label.setBackground(bg);
label.setForeground(fg);
label.setHorizontalAlignment(SwingConstants.TRAILING);
label.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
panel.add(label);
panel.addMouseListener(tipListener);
}
// Replace the previous SOUTH Component with the new one.
Container cp = getContentPane();
if (cp.getComponentCount() == 2) { // Skip first time through
Component comp = cp.getComponent(0);
cp.remove(0);
JScrollPane sp = new JScrollPane(comp);
Border emptyBorder = BorderFactory.createEmptyBorder();
sp.setBorder(emptyBorder);
sp.setViewportBorder(emptyBorder);
sp.setBackground(textArea.getBackground());
sp.getViewport().setBackground(textArea.getBackground());
cp.add(sp);
// What was component 1 is now 0.
cp.getComponent(0).removeMouseListener(tipListener);
cp.remove(0);
}
cp.add(panel, BorderLayout.SOUTH);
}
