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 javax.swing.*; |
| 29 | import javax.swing.text.*; |
| 30 | import javax.swing.plaf.*; |
| 31 | import java.beans.PropertyChangeEvent; |
| 32 | import java.awt.*; |
| 33 | |
| 34 | /** |
| 35 | * Provides the look and feel for a styled text editor in the |
| 36 | * Synth look and feel. |
| 37 | * <p> |
| 38 | * <strong>Warning:</strong> |
| 39 | * Serialized objects of this class will not be compatible with |
| 40 | * future Swing releases. The current serialization support is |
| 41 | * appropriate for short term storage or RMI between applications running |
| 42 | * the same version of Swing. As of 1.4, support for long term storage |
| 43 | * of all JavaBeans<sup><font size="-2">TM</font></sup> |
| 44 | * has been added to the <code>java.beans</code> package. |
| 45 | * Please see {@link java.beans.XMLEncoder}. |
| 46 | * |
| 47 | * @author Shannon Hickey |
| 48 | */ |
| 49 | class SynthTextPaneUI extends SynthEditorPaneUI { |
| 50 | |
| 51 | /** |
| 52 | * Creates a UI for the JTextPane. |
| 53 | * |
| 54 | * @param c the JTextPane object |
| 55 | * @return the UI |
| 56 | */ |
| 57 | public static ComponentUI createUI(JComponent c) { |
| 58 | return new SynthTextPaneUI(); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Fetches the name used as a key to lookup properties through the |
| 63 | * UIManager. This is used as a prefix to all the standard |
| 64 | * text properties. |
| 65 | * |
| 66 | * @return the name ("TextPane") |
| 67 | */ |
| 68 | protected String getPropertyPrefix() { |
| 69 | return "TextPane"; |
| 70 | } |
| 71 | |
| 72 | public void installUI(JComponent c) { |
| 73 | super.installUI(c); |
| 74 | updateForeground(c.getForeground()); |
| 75 | updateFont(c.getFont()); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * This method gets called when a bound property is changed |
| 80 | * on the associated JTextComponent. This is a hook |
| 81 | * which UI implementations may change to reflect how the |
| 82 | * UI displays bound properties of JTextComponent subclasses. |
| 83 | * If the font, foreground or document has changed, the |
| 84 | * the appropriate property is set in the default style of |
| 85 | * the document. |
| 86 | * |
| 87 | * @param evt the property change event |
| 88 | */ |
| 89 | protected void propertyChange(PropertyChangeEvent evt) { |
| 90 | super.propertyChange(evt); |
| 91 | |
| 92 | String name = evt.getPropertyName(); |
| 93 | |
| 94 | if (name.equals("foreground")) { |
| 95 | updateForeground((Color)evt.getNewValue()); |
| 96 | } else if (name.equals("font")) { |
| 97 | updateFont((Font)evt.getNewValue()); |
| 98 | } else if (name.equals("document")) { |
| 99 | JComponent comp = getComponent(); |
| 100 | updateForeground(comp.getForeground()); |
| 101 | updateFont(comp.getFont()); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Update the color in the default style of the document. |
| 107 | * |
| 108 | * @param color the new color to use or null to remove the color attribute |
| 109 | * from the document's style |
| 110 | */ |
| 111 | private void updateForeground(Color color) { |
| 112 | StyledDocument doc = (StyledDocument)getComponent().getDocument(); |
| 113 | Style style = doc.getStyle(StyleContext.DEFAULT_STYLE); |
| 114 | |
| 115 | if (style == null) { |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | if (color == null) { |
| 120 | style.removeAttribute(StyleConstants.Foreground); |
| 121 | } else { |
| 122 | StyleConstants.setForeground(style, color); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Update the font in the default style of the document. |
| 128 | * |
| 129 | * @param font the new font to use or null to remove the font attribute |
| 130 | * from the document's style |
| 131 | */ |
| 132 | private void updateFont(Font font) { |
| 133 | StyledDocument doc = (StyledDocument)getComponent().getDocument(); |
| 134 | Style style = doc.getStyle(StyleContext.DEFAULT_STYLE); |
| 135 | |
| 136 | if (style == null) { |
| 137 | return; |
| 138 | } |
| 139 | |
| 140 | if (font == null) { |
| 141 | style.removeAttribute(StyleConstants.FontFamily); |
| 142 | style.removeAttribute(StyleConstants.FontSize); |
| 143 | style.removeAttribute(StyleConstants.Bold); |
| 144 | style.removeAttribute(StyleConstants.Italic); |
| 145 | } else { |
| 146 | StyleConstants.setFontFamily(style, font.getName()); |
| 147 | StyleConstants.setFontSize(style, font.getSize()); |
| 148 | StyleConstants.setBold(style, font.isBold()); |
| 149 | StyleConstants.setItalic(style, font.isItalic()); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | void paintBackground(SynthContext context, Graphics g, JComponent c) { |
| 154 | context.getPainter().paintTextPaneBackground(context, g, 0, 0, |
| 155 | c.getWidth(), c.getHeight()); |
| 156 | } |
| 157 | |
| 158 | public void paintBorder(SynthContext context, Graphics g, int x, |
| 159 | int y, int w, int h) { |
| 160 | context.getPainter().paintTextPaneBorder(context, g, x, y, w, h); |
| 161 | } |
| 162 | } |