J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.swing.plaf.synth; |
| 27 | |
| 28 | import java.awt.*; |
| 29 | import java.beans.PropertyChangeEvent; |
| 30 | import java.beans.PropertyChangeListener; |
| 31 | |
| 32 | import javax.swing.*; |
| 33 | import javax.swing.plaf.basic.BasicHTML; |
| 34 | import javax.swing.plaf.basic.BasicToolTipUI; |
| 35 | import javax.swing.plaf.ComponentUI; |
| 36 | import javax.swing.text.View; |
| 37 | import sun.swing.plaf.synth.SynthUI; |
| 38 | |
| 39 | |
| 40 | /** |
| 41 | * Synth's ToolTipUI. |
| 42 | * |
| 43 | * @author Joshua Outwater |
| 44 | */ |
| 45 | class SynthToolTipUI extends BasicToolTipUI implements PropertyChangeListener, |
| 46 | SynthUI { |
| 47 | private SynthStyle style; |
| 48 | |
| 49 | |
| 50 | public static ComponentUI createUI(JComponent c) { |
| 51 | return new SynthToolTipUI(); |
| 52 | } |
| 53 | |
| 54 | protected void installDefaults(JComponent c) { |
| 55 | updateStyle(c); |
| 56 | } |
| 57 | |
| 58 | private void updateStyle(JComponent c) { |
| 59 | SynthContext context = getContext(c, ENABLED); |
| 60 | style = SynthLookAndFeel.updateStyle(context, this); |
| 61 | context.dispose(); |
| 62 | } |
| 63 | |
| 64 | protected void uninstallDefaults(JComponent c) { |
| 65 | SynthContext context = getContext(c, ENABLED); |
| 66 | style.uninstallDefaults(context); |
| 67 | context.dispose(); |
| 68 | style = null; |
| 69 | } |
| 70 | |
| 71 | protected void installListeners(JComponent c) { |
| 72 | c.addPropertyChangeListener(this); |
| 73 | } |
| 74 | |
| 75 | protected void uninstallListeners(JComponent c) { |
| 76 | c.removePropertyChangeListener(this); |
| 77 | } |
| 78 | |
| 79 | public SynthContext getContext(JComponent c) { |
| 80 | return getContext(c, getComponentState(c)); |
| 81 | } |
| 82 | |
| 83 | private SynthContext getContext(JComponent c, int state) { |
| 84 | return SynthContext.getContext(SynthContext.class, c, |
| 85 | SynthLookAndFeel.getRegion(c), style, state); |
| 86 | } |
| 87 | |
| 88 | private Region getRegion(JComponent c) { |
| 89 | return SynthLookAndFeel.getRegion(c); |
| 90 | } |
| 91 | |
| 92 | private int getComponentState(JComponent c) { |
| 93 | JComponent comp = ((JToolTip)c).getComponent(); |
| 94 | |
| 95 | if (comp != null && !comp.isEnabled()) { |
| 96 | return DISABLED; |
| 97 | } |
| 98 | return SynthLookAndFeel.getComponentState(c); |
| 99 | } |
| 100 | |
| 101 | public void update(Graphics g, JComponent c) { |
| 102 | SynthContext context = getContext(c); |
| 103 | |
| 104 | SynthLookAndFeel.update(context, g); |
| 105 | context.getPainter().paintToolTipBackground(context, |
| 106 | g, 0, 0, c.getWidth(), c.getHeight()); |
| 107 | paint(context, g); |
| 108 | context.dispose(); |
| 109 | } |
| 110 | |
| 111 | public void paintBorder(SynthContext context, Graphics g, int x, |
| 112 | int y, int w, int h) { |
| 113 | context.getPainter().paintToolTipBorder(context, g, x, y, w, h); |
| 114 | } |
| 115 | |
| 116 | public void paint(Graphics g, JComponent c) { |
| 117 | SynthContext context = getContext(c); |
| 118 | |
| 119 | paint(context, g); |
| 120 | context.dispose(); |
| 121 | } |
| 122 | |
| 123 | protected void paint(SynthContext context, Graphics g) { |
| 124 | JToolTip tip = (JToolTip)context.getComponent(); |
| 125 | String tipText = tip.getToolTipText(); |
| 126 | |
| 127 | Insets insets = tip.getInsets(); |
| 128 | View v = (View)tip.getClientProperty(BasicHTML.propertyKey); |
| 129 | if (v != null) { |
| 130 | Rectangle paintTextR = new Rectangle(insets.left, insets.top, |
| 131 | tip.getWidth() - (insets.left + insets.right), |
| 132 | tip.getHeight() - (insets.top + insets.bottom)); |
| 133 | v.paint(g, paintTextR); |
| 134 | } else { |
| 135 | g.setColor(context.getStyle().getColor(context, |
| 136 | ColorType.TEXT_FOREGROUND)); |
| 137 | g.setFont(style.getFont(context)); |
| 138 | context.getStyle().getGraphicsUtils(context).paintText( |
| 139 | context, g, tip.getTipText(), insets.left, insets.top, -1); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | public Dimension getPreferredSize(JComponent c) { |
| 144 | SynthContext context = getContext(c); |
| 145 | Insets insets = c.getInsets(); |
| 146 | Dimension prefSize = new Dimension(insets.left+insets.right, |
| 147 | insets.top+insets.bottom); |
| 148 | String text = ((JToolTip)c).getTipText(); |
| 149 | |
| 150 | if (text != null) { |
| 151 | View v = (c != null) ? (View) c.getClientProperty("html") : null; |
| 152 | if (v != null) { |
| 153 | prefSize.width += (int) v.getPreferredSpan(View.X_AXIS); |
| 154 | prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS); |
| 155 | } else { |
| 156 | Font font = context.getStyle().getFont(context); |
| 157 | FontMetrics fm = c.getFontMetrics(font); |
| 158 | prefSize.width += context.getStyle().getGraphicsUtils(context). |
| 159 | computeStringWidth(context, font, fm, text); |
| 160 | prefSize.height += fm.getHeight(); |
| 161 | } |
| 162 | } |
| 163 | context.dispose(); |
| 164 | return prefSize; |
| 165 | } |
| 166 | |
| 167 | public void propertyChange(PropertyChangeEvent e) { |
| 168 | if (SynthLookAndFeel.shouldUpdateStyle(e)) { |
| 169 | updateStyle((JToolTip)e.getSource()); |
| 170 | } |
| 171 | String name = e.getPropertyName(); |
| 172 | if (name.equals("tiptext") || "font".equals(name) || |
| 173 | "foreground".equals(name)) { |
| 174 | // remove the old html view client property if one |
| 175 | // existed, and install a new one if the text installed |
| 176 | // into the JLabel is html source. |
| 177 | JToolTip tip = ((JToolTip) e.getSource()); |
| 178 | String text = tip.getTipText(); |
| 179 | BasicHTML.updateRenderer(tip, text); |
| 180 | } |
| 181 | } |
| 182 | } |