| /* |
| * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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; |
| |
| |
| /** |
| * Provides the Synth L&F UI delegate for |
| * {@link javax.swing.JToolTip}. |
| * |
| * @author Joshua Outwater |
| * @since 1.7 |
| */ |
| public class SynthToolTipUI extends BasicToolTipUI |
| implements PropertyChangeListener, SynthUI { |
| private SynthStyle style; |
| |
| /** |
| * Creates a new UI object for the given component. |
| * |
| * @param c component to create UI object for |
| * @return the UI object |
| */ |
| public static ComponentUI createUI(JComponent c) { |
| return new SynthToolTipUI(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installDefaults(JComponent c) { |
| updateStyle(c); |
| } |
| |
| private void updateStyle(JComponent c) { |
| SynthContext context = getContext(c, ENABLED); |
| style = SynthLookAndFeel.updateStyle(context, this); |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallDefaults(JComponent c) { |
| SynthContext context = getContext(c, ENABLED); |
| style.uninstallDefaults(context); |
| context.dispose(); |
| style = null; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installListeners(JComponent c) { |
| c.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallListeners(JComponent c) { |
| c.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| 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 int getComponentState(JComponent c) { |
| JComponent comp = ((JToolTip)c).getComponent(); |
| |
| if (comp != null && !comp.isEnabled()) { |
| return DISABLED; |
| } |
| return SynthLookAndFeel.getComponentState(c); |
| } |
| |
| /** |
| * Notifies this UI delegate to repaint the specified component. |
| * This method paints the component background, then calls |
| * the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * <p>In general, this method does not need to be overridden by subclasses. |
| * All Look and Feel rendering code should reside in the {@code paint} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| 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(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void paintBorder(SynthContext context, Graphics g, int x, |
| int y, int w, int h) { |
| context.getPainter().paintToolTipBorder(context, g, x, y, w, h); |
| } |
| |
| /** |
| * Paints the specified component according to the Look and Feel. |
| * <p>This method is not used by Synth Look and Feel. |
| * Painting is handled by the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void paint(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component. |
| * |
| * @param context context for the component being painted |
| * @param g the {@code Graphics} object used for painting |
| * @see #update(Graphics,JComponent) |
| */ |
| protected void paint(SynthContext context, Graphics g) { |
| JToolTip tip = (JToolTip)context.getComponent(); |
| |
| 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); |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| 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; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| 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); |
| } |
| } |
| } |