J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2006 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 javax.swing.*; |
| 29 | import javax.swing.text.*; |
| 30 | import javax.swing.event.*; |
| 31 | import javax.swing.plaf.*; |
| 32 | import javax.swing.plaf.basic.BasicTextFieldUI; |
| 33 | import java.awt.*; |
| 34 | import java.awt.event.FocusEvent; |
| 35 | import java.awt.event.FocusListener; |
| 36 | import java.beans.PropertyChangeEvent; |
| 37 | |
| 38 | import sun.swing.plaf.synth.SynthUI; |
| 39 | |
| 40 | /** |
| 41 | * Basis of a look and feel for a JTextField in the Synth |
| 42 | * look and feel. |
| 43 | * <p> |
| 44 | * <strong>Warning:</strong> |
| 45 | * Serialized objects of this class will not be compatible with |
| 46 | * future Swing releases. The current serialization support is |
| 47 | * appropriate for short term storage or RMI between applications running |
| 48 | * the same version of Swing. As of 1.4, support for long term storage |
| 49 | * of all JavaBeans<sup><font size="-2">TM</font></sup> |
| 50 | * has been added to the <code>java.beans</code> package. |
| 51 | * Please see {@link java.beans.XMLEncoder}. |
| 52 | * |
| 53 | * @author Shannon Hickey |
| 54 | */ |
| 55 | class SynthTextFieldUI |
| 56 | extends BasicTextFieldUI |
| 57 | implements SynthUI, FocusListener |
| 58 | { |
| 59 | private SynthStyle style; |
| 60 | |
| 61 | /** |
| 62 | * Creates a UI for a JTextField. |
| 63 | * |
| 64 | * @param c the text field |
| 65 | * @return the UI |
| 66 | */ |
| 67 | public static ComponentUI createUI(JComponent c) { |
| 68 | return new SynthTextFieldUI(); |
| 69 | } |
| 70 | |
| 71 | public SynthTextFieldUI() { |
| 72 | super(); |
| 73 | } |
| 74 | |
| 75 | private void updateStyle(JTextComponent comp) { |
| 76 | SynthContext context = getContext(comp, ENABLED); |
| 77 | SynthStyle oldStyle = style; |
| 78 | |
| 79 | style = SynthLookAndFeel.updateStyle(context, this); |
| 80 | |
| 81 | if (style != oldStyle) { |
| 82 | SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix()); |
| 83 | |
| 84 | if (oldStyle != null) { |
| 85 | uninstallKeyboardActions(); |
| 86 | installKeyboardActions(); |
| 87 | } |
| 88 | } |
| 89 | context.dispose(); |
| 90 | } |
| 91 | |
| 92 | static void updateStyle(JTextComponent comp, SynthContext context, |
| 93 | String prefix) { |
| 94 | SynthStyle style = context.getStyle(); |
| 95 | |
| 96 | Color color = comp.getCaretColor(); |
| 97 | if (color == null || color instanceof UIResource) { |
| 98 | comp.setCaretColor( |
| 99 | (Color)style.get(context, prefix + ".caretForeground")); |
| 100 | } |
| 101 | |
| 102 | Color fg = comp.getForeground(); |
| 103 | if (fg == null || fg instanceof UIResource) { |
| 104 | fg = style.getColorForState(context, ColorType.TEXT_FOREGROUND); |
| 105 | if (fg != null) { |
| 106 | comp.setForeground(fg); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | Object ar = style.get(context, prefix + ".caretAspectRatio"); |
| 111 | if (ar instanceof Number) { |
| 112 | comp.putClientProperty("caretAspectRatio", ar); |
| 113 | } |
| 114 | |
| 115 | context.setComponentState(SELECTED | FOCUSED); |
| 116 | |
| 117 | Color s = comp.getSelectionColor(); |
| 118 | if (s == null || s instanceof UIResource) { |
| 119 | comp.setSelectionColor( |
| 120 | style.getColor(context, ColorType.TEXT_BACKGROUND)); |
| 121 | } |
| 122 | |
| 123 | Color sfg = comp.getSelectedTextColor(); |
| 124 | if (sfg == null || sfg instanceof UIResource) { |
| 125 | comp.setSelectedTextColor( |
| 126 | style.getColor(context, ColorType.TEXT_FOREGROUND)); |
| 127 | } |
| 128 | |
| 129 | context.setComponentState(DISABLED); |
| 130 | |
| 131 | Color dfg = comp.getDisabledTextColor(); |
| 132 | if (dfg == null || dfg instanceof UIResource) { |
| 133 | comp.setDisabledTextColor( |
| 134 | style.getColor(context, ColorType.TEXT_FOREGROUND)); |
| 135 | } |
| 136 | |
| 137 | Insets margin = comp.getMargin(); |
| 138 | if (margin == null || margin instanceof UIResource) { |
| 139 | margin = (Insets)style.get(context, prefix + ".margin"); |
| 140 | |
| 141 | if (margin == null) { |
| 142 | // Some places assume margins are non-null. |
| 143 | margin = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS; |
| 144 | } |
| 145 | comp.setMargin(margin); |
| 146 | } |
| 147 | |
| 148 | Caret caret = comp.getCaret(); |
| 149 | if (caret instanceof UIResource) { |
| 150 | Object o = style.get(context, prefix + ".caretBlinkRate"); |
| 151 | if (o != null && o instanceof Integer) { |
| 152 | Integer rate = (Integer)o; |
| 153 | caret.setBlinkRate(rate.intValue()); |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | public SynthContext getContext(JComponent c) { |
| 159 | return getContext(c, getComponentState(c)); |
| 160 | } |
| 161 | |
| 162 | private SynthContext getContext(JComponent c, int state) { |
| 163 | return SynthContext.getContext(SynthContext.class, c, |
| 164 | SynthLookAndFeel.getRegion(c), style, state); |
| 165 | } |
| 166 | |
| 167 | private int getComponentState(JComponent c) { |
| 168 | return SynthLookAndFeel.getComponentState(c); |
| 169 | } |
| 170 | |
| 171 | public void update(Graphics g, JComponent c) { |
| 172 | SynthContext context = getContext(c); |
| 173 | |
| 174 | SynthLookAndFeel.update(context, g); |
| 175 | paintBackground(context, g, c); |
| 176 | paint(context, g); |
| 177 | context.dispose(); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Paints the interface. This is routed to the |
| 182 | * paintSafely method under the guarantee that |
| 183 | * the model won't change from the view of this thread |
| 184 | * while it's rendering (if the associated model is |
| 185 | * derived from AbstractDocument). This enables the |
| 186 | * model to potentially be updated asynchronously. |
| 187 | */ |
| 188 | protected void paint(SynthContext context, Graphics g) { |
| 189 | super.paint(g, getComponent()); |
| 190 | } |
| 191 | |
| 192 | void paintBackground(SynthContext context, Graphics g, JComponent c) { |
| 193 | context.getPainter().paintTextFieldBackground(context, g, 0, 0, |
| 194 | c.getWidth(), c.getHeight()); |
| 195 | } |
| 196 | |
| 197 | public void paintBorder(SynthContext context, Graphics g, int x, |
| 198 | int y, int w, int h) { |
| 199 | context.getPainter().paintTextFieldBorder(context, g, x, y, w, h); |
| 200 | } |
| 201 | |
| 202 | protected void paintBackground(Graphics g) { |
| 203 | // Overriden to do nothing, all our painting is done from update/paint. |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * This method gets called when a bound property is changed |
| 208 | * on the associated JTextComponent. This is a hook |
| 209 | * which UI implementations may change to reflect how the |
| 210 | * UI displays bound properties of JTextComponent subclasses. |
| 211 | * This is implemented to do nothing (i.e. the response to |
| 212 | * properties in JTextComponent itself are handled prior |
| 213 | * to calling this method). |
| 214 | * |
| 215 | * @param evt the property change event |
| 216 | */ |
| 217 | protected void propertyChange(PropertyChangeEvent evt) { |
| 218 | if (SynthLookAndFeel.shouldUpdateStyle(evt)) { |
| 219 | updateStyle((JTextComponent)evt.getSource()); |
| 220 | } |
| 221 | super.propertyChange(evt); |
| 222 | } |
| 223 | |
| 224 | public void focusGained(FocusEvent e) { |
| 225 | getComponent().repaint(); |
| 226 | } |
| 227 | |
| 228 | public void focusLost(FocusEvent e) { |
| 229 | getComponent().repaint(); |
| 230 | } |
| 231 | |
| 232 | protected void installDefaults() { |
| 233 | // Installs the text cursor on the component |
| 234 | super.installDefaults(); |
| 235 | updateStyle((JTextComponent)getComponent()); |
| 236 | getComponent().addFocusListener(this); |
| 237 | } |
| 238 | |
| 239 | protected void uninstallDefaults() { |
| 240 | SynthContext context = getContext(getComponent(), ENABLED); |
| 241 | |
| 242 | getComponent().putClientProperty("caretAspectRatio", null); |
| 243 | getComponent().removeFocusListener(this); |
| 244 | |
| 245 | style.uninstallDefaults(context); |
| 246 | context.dispose(); |
| 247 | style = null; |
| 248 | super.uninstallDefaults(); |
| 249 | } |
| 250 | |
| 251 | public void installUI(JComponent c) { |
| 252 | super.installUI(c); |
| 253 | } |
| 254 | } |