- /*
- * @(#)SynthToolTipUI.java 1.9 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.swing.plaf.synth;
-
- import java.awt.*;
- import java.beans.PropertyChangeEvent;
- import java.beans.PropertyChangeListener;
-
- import javax.swing.*;
- import javax.swing.plaf.basic.BasicHTML;
- import javax.swing.plaf.basic.BasicToolTipUI;
- import javax.swing.plaf.ComponentUI;
- import javax.swing.text.View;
- import sun.swing.plaf.synth.SynthUI;
-
-
- /**
- * Synth's ToolTipUI.
- *
- * @version 1.9, 12/19/03
- * @author Joshua Outwater
- */
- class SynthToolTipUI extends BasicToolTipUI implements PropertyChangeListener,
- SynthUI {
- private SynthStyle style;
-
-
- public static ComponentUI createUI(JComponent c) {
- return new SynthToolTipUI();
- }
-
- protected void installDefaults(JComponent c) {
- updateStyle(c);
- }
-
- private void updateStyle(JComponent c) {
- SynthContext context = getContext(c, ENABLED);
- style = SynthLookAndFeel.updateStyle(context, this);
- context.dispose();
- }
-
- protected void uninstallDefaults(JComponent c) {
- SynthContext context = getContext(c, ENABLED);
- style.uninstallDefaults(context);
- context.dispose();
- style = null;
- }
-
- protected void installListeners(JComponent c) {
- c.addPropertyChangeListener(this);
- }
-
- protected void uninstallListeners(JComponent c) {
- c.removePropertyChangeListener(this);
- }
-
- public SynthContext getContext(JComponent c) {
- return getContext(c, getComponentState(c));
- }
-
- private SynthContext getContext(JComponent c, int state) {
- return SynthContext.getContext(SynthContext.class, c,
- SynthLookAndFeel.getRegion(c), style, state);
- }
-
- private Region getRegion(JComponent c) {
- return SynthLookAndFeel.getRegion(c);
- }
-
- private int getComponentState(JComponent c) {
- JComponent comp = ((JToolTip)c).getComponent();
-
- if (comp != null && !comp.isEnabled()) {
- return DISABLED;
- }
- return SynthLookAndFeel.getComponentState(c);
- }
-
- public void update(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- SynthLookAndFeel.update(context, g);
- context.getPainter().paintToolTipBackground(context,
- g, 0, 0, c.getWidth(), c.getHeight());
- paint(context, g);
- context.dispose();
- }
-
- public void paintBorder(SynthContext context, Graphics g, int x,
- int y, int w, int h) {
- context.getPainter().paintToolTipBorder(context, g, x, y, w, h);
- }
-
- public void paint(Graphics g, JComponent c) {
- SynthContext context = getContext(c);
-
- paint(context, g);
- context.dispose();
- }
-
- protected void paint(SynthContext context, Graphics g) {
- JToolTip tip = (JToolTip)context.getComponent();
- String tipText = tip.getToolTipText();
-
- Insets insets = tip.getInsets();
- View v = (View)tip.getClientProperty(BasicHTML.propertyKey);
- if (v != null) {
- Rectangle paintTextR = new Rectangle(insets.left, insets.top,
- tip.getWidth() - (insets.left + insets.right),
- tip.getHeight() - (insets.top + insets.bottom));
- v.paint(g, paintTextR);
- } else {
- g.setColor(context.getStyle().getColor(context,
- ColorType.TEXT_FOREGROUND));
- g.setFont(style.getFont(context));
- context.getStyle().getGraphicsUtils(context).paintText(
- context, g, tip.getTipText(), insets.left, insets.top, -1);
- }
- }
-
- public Dimension getPreferredSize(JComponent c) {
- SynthContext context = getContext(c);
- Insets insets = c.getInsets();
- Dimension prefSize = new Dimension(insets.left+insets.right,
- insets.top+insets.bottom);
- String text = ((JToolTip)c).getTipText();
-
- if (text != null) {
- View v = (c != null) ? (View) c.getClientProperty("html") : null;
- if (v != null) {
- prefSize.width += (int) v.getPreferredSpan(View.X_AXIS);
- prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
- } else {
- Font font = context.getStyle().getFont(context);
- FontMetrics fm = c.getFontMetrics(font);
- prefSize.width += context.getStyle().getGraphicsUtils(context).
- computeStringWidth(context, font, fm, text);
- prefSize.height += fm.getHeight();
- }
- }
- context.dispose();
- return prefSize;
- }
-
- public void propertyChange(PropertyChangeEvent e) {
- if (SynthLookAndFeel.shouldUpdateStyle(e)) {
- updateStyle((JToolTip)e.getSource());
- }
- String name = e.getPropertyName();
- if (name.equals("tiptext") || "font".equals(name) ||
- "foreground".equals(name)) {
- // remove the old html view client property if one
- // existed, and install a new one if the text installed
- // into the JLabel is html source.
- JToolTip tip = ((JToolTip) e.getSource());
- String text = tip.getTipText();
- BasicHTML.updateRenderer(tip, text);
- }
- }
- }