| /* |
| * Copyright (c) 1997, 2005, 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.basic; |
| |
| import sun.swing.SwingUtilities2; |
| import java.awt.*; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| |
| import javax.swing.*; |
| import javax.swing.BorderFactory; |
| import javax.swing.border.Border; |
| import javax.swing.plaf.ToolTipUI; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.UIResource; |
| import javax.swing.text.View; |
| |
| |
| /** |
| * Standard tool tip L&F. |
| * <p> |
| * |
| * @author Dave Moore |
| */ |
| public class BasicToolTipUI extends ToolTipUI |
| { |
| static BasicToolTipUI sharedInstance = new BasicToolTipUI(); |
| /** |
| * Global <code>PropertyChangeListener</code> that |
| * <code>createPropertyChangeListener</code> returns. |
| */ |
| private static PropertyChangeListener sharedPropertyChangedListener; |
| |
| private PropertyChangeListener propertyChangeListener; |
| |
| public static ComponentUI createUI(JComponent c) { |
| return sharedInstance; |
| } |
| |
| public BasicToolTipUI() { |
| super(); |
| } |
| |
| public void installUI(JComponent c) { |
| installDefaults(c); |
| installComponents(c); |
| installListeners(c); |
| } |
| |
| public void uninstallUI(JComponent c) { |
| // REMIND: this is NOT getting called |
| uninstallDefaults(c); |
| uninstallComponents(c); |
| uninstallListeners(c); |
| } |
| |
| protected void installDefaults(JComponent c){ |
| LookAndFeel.installColorsAndFont(c, "ToolTip.background", |
| "ToolTip.foreground", |
| "ToolTip.font"); |
| LookAndFeel.installProperty(c, "opaque", Boolean.TRUE); |
| componentChanged(c); |
| } |
| |
| protected void uninstallDefaults(JComponent c){ |
| LookAndFeel.uninstallBorder(c); |
| } |
| |
| /* Unfortunately this has to remain private until we can make API additions. |
| */ |
| private void installComponents(JComponent c){ |
| BasicHTML.updateRenderer(c, ((JToolTip)c).getTipText()); |
| } |
| |
| /* Unfortunately this has to remain private until we can make API additions. |
| */ |
| private void uninstallComponents(JComponent c){ |
| BasicHTML.updateRenderer(c, ""); |
| } |
| |
| protected void installListeners(JComponent c) { |
| propertyChangeListener = createPropertyChangeListener(c); |
| |
| c.addPropertyChangeListener(propertyChangeListener); |
| } |
| |
| protected void uninstallListeners(JComponent c) { |
| c.removePropertyChangeListener(propertyChangeListener); |
| |
| propertyChangeListener = null; |
| } |
| |
| /* Unfortunately this has to remain private until we can make API additions. |
| */ |
| private PropertyChangeListener createPropertyChangeListener(JComponent c) { |
| if (sharedPropertyChangedListener == null) { |
| sharedPropertyChangedListener = new PropertyChangeHandler(); |
| } |
| return sharedPropertyChangedListener; |
| } |
| |
| public void paint(Graphics g, JComponent c) { |
| Font font = c.getFont(); |
| FontMetrics metrics = SwingUtilities2.getFontMetrics(c, g, font); |
| Dimension size = c.getSize(); |
| |
| g.setColor(c.getForeground()); |
| // fix for bug 4153892 |
| String tipText = ((JToolTip)c).getTipText(); |
| if (tipText == null) { |
| tipText = ""; |
| } |
| |
| Insets insets = c.getInsets(); |
| Rectangle paintTextR = new Rectangle( |
| insets.left + 3, |
| insets.top, |
| size.width - (insets.left + insets.right) - 6, |
| size.height - (insets.top + insets.bottom)); |
| View v = (View) c.getClientProperty(BasicHTML.propertyKey); |
| if (v != null) { |
| v.paint(g, paintTextR); |
| } else { |
| g.setFont(font); |
| SwingUtilities2.drawString(c, g, tipText, paintTextR.x, |
| paintTextR.y + metrics.getAscent()); |
| } |
| } |
| |
| public Dimension getPreferredSize(JComponent c) { |
| Font font = c.getFont(); |
| FontMetrics fm = c.getFontMetrics(font); |
| Insets insets = c.getInsets(); |
| |
| Dimension prefSize = new Dimension(insets.left+insets.right, |
| insets.top+insets.bottom); |
| String text = ((JToolTip)c).getTipText(); |
| |
| if ((text == null) || text.equals("")) { |
| text = ""; |
| } |
| else { |
| View v = (c != null) ? (View) c.getClientProperty("html") : null; |
| if (v != null) { |
| prefSize.width += (int) v.getPreferredSpan(View.X_AXIS) + 6; |
| prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS); |
| } else { |
| prefSize.width += SwingUtilities2.stringWidth(c,fm,text) + 6; |
| prefSize.height += fm.getHeight(); |
| } |
| } |
| return prefSize; |
| } |
| |
| public Dimension getMinimumSize(JComponent c) { |
| Dimension d = getPreferredSize(c); |
| View v = (View) c.getClientProperty(BasicHTML.propertyKey); |
| if (v != null) { |
| d.width -= v.getPreferredSpan(View.X_AXIS) - v.getMinimumSpan(View.X_AXIS); |
| } |
| return d; |
| } |
| |
| public Dimension getMaximumSize(JComponent c) { |
| Dimension d = getPreferredSize(c); |
| View v = (View) c.getClientProperty(BasicHTML.propertyKey); |
| if (v != null) { |
| d.width += v.getMaximumSpan(View.X_AXIS) - v.getPreferredSpan(View.X_AXIS); |
| } |
| return d; |
| } |
| |
| /** |
| * Invoked when the <code>JCompoment</code> associated with the |
| * <code>JToolTip</code> has changed, or at initialization time. This |
| * should update any state dependant upon the <code>JComponent</code>. |
| * |
| * @param c the JToolTip the JComponent has changed on. |
| */ |
| private void componentChanged(JComponent c) { |
| JComponent comp = ((JToolTip)c).getComponent(); |
| |
| if (comp != null && !(comp.isEnabled())) { |
| // For better backward compatability, only install inactive |
| // properties if they are defined. |
| if (UIManager.getBorder("ToolTip.borderInactive") != null) { |
| LookAndFeel.installBorder(c, "ToolTip.borderInactive"); |
| } |
| else { |
| LookAndFeel.installBorder(c, "ToolTip.border"); |
| } |
| if (UIManager.getColor("ToolTip.backgroundInactive") != null) { |
| LookAndFeel.installColors(c,"ToolTip.backgroundInactive", |
| "ToolTip.foregroundInactive"); |
| } |
| else { |
| LookAndFeel.installColors(c,"ToolTip.background", |
| "ToolTip.foreground"); |
| } |
| } else { |
| LookAndFeel.installBorder(c, "ToolTip.border"); |
| LookAndFeel.installColors(c, "ToolTip.background", |
| "ToolTip.foreground"); |
| } |
| } |
| |
| |
| private static class PropertyChangeHandler implements |
| PropertyChangeListener { |
| public void propertyChange(PropertyChangeEvent e) { |
| 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); |
| } |
| else if ("component".equals(name)) { |
| JToolTip tip = ((JToolTip) e.getSource()); |
| |
| if (tip.getUI() instanceof BasicToolTipUI) { |
| ((BasicToolTipUI)tip.getUI()).componentChanged(tip); |
| } |
| } |
| } |
| } |
| } |
