1 /* 2 * Copyright (c) 2002, 2008, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.swing.plaf.synth; 27 28 import java.awt.*; 29 import javax.swing.*; 30 import javax.swing.text.*; 31 import javax.swing.plaf.*; 32 import javax.swing.plaf.basic.BasicEditorPaneUI; 33 import java.beans.PropertyChangeEvent; 34 35 /** 36 * Provides the Synth L&F UI delegate for 37 * {@link javax.swing.JEditorPane}. 38 * 39 * @author Shannon Hickey 40 * @since 1.7 41 */ 42 public class SynthEditorPaneUI extends BasicEditorPaneUI implements SynthUI { 43 private SynthStyle style; 44 /* 45 * I would prefer to use UIResource instad of this. 46 * Unfortunately Boolean is a final class 47 */ 48 private Boolean localTrue = Boolean.TRUE; 49 50 /** 51 * Creates a new UI object for the given component. 52 * 53 * @param c component to create UI object for 54 * @return the UI object 55 */ 56 public static ComponentUI createUI(JComponent c) { 57 return new SynthEditorPaneUI(); 58 } 59 60 /** 61 * @inheritDoc 62 */ 63 @Override 64 protected void installDefaults() { 65 // Installs the text cursor on the component 66 super.installDefaults(); 67 JComponent c = getComponent(); 68 Object clientProperty = 69 c.getClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES); 70 if (clientProperty == null) { 71 c.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, localTrue); 72 } 73 updateStyle(getComponent()); 74 } 75 76 /** 77 * @inheritDoc 78 */ 79 @Override 80 protected void uninstallDefaults() { 81 SynthContext context = getContext(getComponent(), ENABLED); 82 JComponent c = getComponent(); 83 c.putClientProperty("caretAspectRatio", null); 84 85 style.uninstallDefaults(context); 86 context.dispose(); 87 style = null; 88 89 Object clientProperty = 90 c.getClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES); 91 if (clientProperty == localTrue) { 92 c.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, 93 Boolean.FALSE); 94 } 95 super.uninstallDefaults(); 96 } 97 98 /** 99 * This method gets called when a bound property is changed 100 * on the associated JTextComponent. This is a hook 101 * which UI implementations may change to reflect how the 102 * UI displays bound properties of JTextComponent subclasses. 103 * This is implemented to rebuild the ActionMap based upon an 104 * EditorKit change. 105 * 106 * @param evt the property change event 107 */ 108 @Override 109 protected void propertyChange(PropertyChangeEvent evt) { 110 if (SynthLookAndFeel.shouldUpdateStyle(evt)) { 111 updateStyle((JTextComponent)evt.getSource()); 112 } 113 super.propertyChange(evt); 114 } 115 116 private void updateStyle(JTextComponent comp) { 117 SynthContext context = getContext(comp, ENABLED); 118 SynthStyle oldStyle = style; 119 120 style = SynthLookAndFeel.updateStyle(context, this); 121 122 if (style != oldStyle) { 123 SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix()); 124 125 if (oldStyle != null) { 126 uninstallKeyboardActions(); 127 installKeyboardActions(); 128 } 129 } 130 context.dispose(); 131 } 132 133 /** 134 * @inheritDoc 135 */ 136 @Override 137 public SynthContext getContext(JComponent c) { 138 return getContext(c, getComponentState(c)); 139 } 140 141 private SynthContext getContext(JComponent c, int state) { 142 return SynthContext.getContext(SynthContext.class, c, 143 SynthLookAndFeel.getRegion(c), style, state); 144 } 145 146 private int getComponentState(JComponent c) { 147 return SynthLookAndFeel.getComponentState(c); 148 } 149 150 /** 151 * Notifies this UI delegate to repaint the specified component. 152 * This method paints the component background, then calls 153 * the {@link #paint(SynthContext,Graphics)} method. 154 * 155 * <p>In general, this method does not need to be overridden by subclasses. 156 * All Look and Feel rendering code should reside in the {@code paint} method. 157 * 158 * @param g the {@code Graphics} object used for painting 159 * @param c the component being painted 160 * @see #paint(SynthContext,Graphics) 161 */ 162 @Override 163 public void update(Graphics g, JComponent c) { 164 SynthContext context = getContext(c); 165 166 SynthLookAndFeel.update(context, g); 167 paintBackground(context, g, c); 168 paint(context, g); 169 context.dispose(); 170 } 171 172 /** 173 * Paints the specified component. 174 * 175 * @param context context for the component being painted 176 * @param g the {@code Graphics} object used for painting 177 * @see #update(Graphics,JComponent) 178 */ 179 protected void paint(SynthContext context, Graphics g) { 180 super.paint(g, getComponent()); 181 } 182 183 /** 184 * @inheritDoc 185 */ 186 @Override 187 protected void paintBackground(Graphics g) { 188 // Overriden to do nothing, all our painting is done from update/paint. 189 } 190 191 void paintBackground(SynthContext context, Graphics g, JComponent c) { 192 context.getPainter().paintEditorPaneBackground(context, g, 0, 0, 193 c.getWidth(), c.getHeight()); 194 } 195 196 /** 197 * @inheritDoc 198 */ 199 @Override 200 public void paintBorder(SynthContext context, Graphics g, int x, 201 int y, int w, int h) { 202 context.getPainter().paintEditorPaneBorder(context, g, x, y, w, h); 203 } 204 }