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/*
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* Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package javax.swing.plaf.synth;
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import java.awt.*;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.*;
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import javax.swing.plaf.basic.BasicHTML;
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import javax.swing.plaf.basic.BasicToolTipUI;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.text.View;
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import sun.swing.plaf.synth.SynthUI;
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/**
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* Synth's ToolTipUI.
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*
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* @author Joshua Outwater
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*/
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class SynthToolTipUI extends BasicToolTipUI implements PropertyChangeListener,
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SynthUI {
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private SynthStyle style;
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public static ComponentUI createUI(JComponent c) {
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return new SynthToolTipUI();
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}
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protected void installDefaults(JComponent c) {
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updateStyle(c);
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}
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private void updateStyle(JComponent c) {
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SynthContext context = getContext(c, ENABLED);
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style = SynthLookAndFeel.updateStyle(context, this);
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context.dispose();
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}
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protected void uninstallDefaults(JComponent c) {
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SynthContext context = getContext(c, ENABLED);
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style.uninstallDefaults(context);
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context.dispose();
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style = null;
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}
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protected void installListeners(JComponent c) {
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c.addPropertyChangeListener(this);
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}
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protected void uninstallListeners(JComponent c) {
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c.removePropertyChangeListener(this);
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}
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public SynthContext getContext(JComponent c) {
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return getContext(c, getComponentState(c));
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}
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private SynthContext getContext(JComponent c, int state) {
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return SynthContext.getContext(SynthContext.class, c,
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SynthLookAndFeel.getRegion(c), style, state);
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}
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private Region getRegion(JComponent c) {
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return SynthLookAndFeel.getRegion(c);
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}
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private int getComponentState(JComponent c) {
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JComponent comp = ((JToolTip)c).getComponent();
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if (comp != null && !comp.isEnabled()) {
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return DISABLED;
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}
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return SynthLookAndFeel.getComponentState(c);
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}
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public void update(Graphics g, JComponent c) {
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SynthContext context = getContext(c);
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SynthLookAndFeel.update(context, g);
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context.getPainter().paintToolTipBackground(context,
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g, 0, 0, c.getWidth(), c.getHeight());
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paint(context, g);
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context.dispose();
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}
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public void paintBorder(SynthContext context, Graphics g, int x,
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int y, int w, int h) {
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context.getPainter().paintToolTipBorder(context, g, x, y, w, h);
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}
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public void paint(Graphics g, JComponent c) {
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SynthContext context = getContext(c);
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paint(context, g);
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context.dispose();
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}
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protected void paint(SynthContext context, Graphics g) {
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JToolTip tip = (JToolTip)context.getComponent();
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String tipText = tip.getToolTipText();
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Insets insets = tip.getInsets();
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View v = (View)tip.getClientProperty(BasicHTML.propertyKey);
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if (v != null) {
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Rectangle paintTextR = new Rectangle(insets.left, insets.top,
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tip.getWidth() - (insets.left + insets.right),
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tip.getHeight() - (insets.top + insets.bottom));
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v.paint(g, paintTextR);
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} else {
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g.setColor(context.getStyle().getColor(context,
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ColorType.TEXT_FOREGROUND));
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g.setFont(style.getFont(context));
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context.getStyle().getGraphicsUtils(context).paintText(
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context, g, tip.getTipText(), insets.left, insets.top, -1);
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}
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}
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public Dimension getPreferredSize(JComponent c) {
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SynthContext context = getContext(c);
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Insets insets = c.getInsets();
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Dimension prefSize = new Dimension(insets.left+insets.right,
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insets.top+insets.bottom);
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String text = ((JToolTip)c).getTipText();
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if (text != null) {
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View v = (c != null) ? (View) c.getClientProperty("html") : null;
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if (v != null) {
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prefSize.width += (int) v.getPreferredSpan(View.X_AXIS);
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prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
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} else {
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Font font = context.getStyle().getFont(context);
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FontMetrics fm = c.getFontMetrics(font);
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prefSize.width += context.getStyle().getGraphicsUtils(context).
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computeStringWidth(context, font, fm, text);
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prefSize.height += fm.getHeight();
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}
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}
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context.dispose();
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return prefSize;
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}
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public void propertyChange(PropertyChangeEvent e) {
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if (SynthLookAndFeel.shouldUpdateStyle(e)) {
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updateStyle((JToolTip)e.getSource());
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}
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String name = e.getPropertyName();
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if (name.equals("tiptext") || "font".equals(name) ||
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"foreground".equals(name)) {
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// remove the old html view client property if one
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// existed, and install a new one if the text installed
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// into the JLabel is html source.
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JToolTip tip = ((JToolTip) e.getSource());
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String text = tip.getTipText();
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BasicHTML.updateRenderer(tip, text);
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}
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}
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}
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