/* * @(#)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);        }    }}