2
|
1 |
/*
|
|
2 |
* Copyright 1997-2006 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 |
package javax.swing.plaf.basic;
|
|
26 |
|
|
27 |
import java.awt.*;
|
|
28 |
import java.awt.event.*;
|
|
29 |
import java.beans.*;
|
|
30 |
import java.net.URL;
|
|
31 |
import java.net.MalformedURLException;
|
|
32 |
import javax.swing.*;
|
|
33 |
import javax.swing.text.*;
|
|
34 |
import javax.swing.text.html.*;
|
|
35 |
import javax.swing.plaf.*;
|
|
36 |
import javax.swing.border.*;
|
|
37 |
|
|
38 |
|
|
39 |
/**
|
|
40 |
* Provides the look and feel for a JEditorPane.
|
|
41 |
* <p>
|
|
42 |
* <strong>Warning:</strong>
|
|
43 |
* Serialized objects of this class will not be compatible with
|
|
44 |
* future Swing releases. The current serialization support is
|
|
45 |
* appropriate for short term storage or RMI between applications running
|
|
46 |
* the same version of Swing. As of 1.4, support for long term storage
|
|
47 |
* of all JavaBeans<sup><font size="-2">TM</font></sup>
|
|
48 |
* has been added to the <code>java.beans</code> package.
|
|
49 |
* Please see {@link java.beans.XMLEncoder}.
|
|
50 |
*
|
|
51 |
* @author Timothy Prinzing
|
|
52 |
*/
|
|
53 |
public class BasicEditorPaneUI extends BasicTextUI {
|
|
54 |
|
|
55 |
/**
|
|
56 |
* Creates a UI for the JTextPane.
|
|
57 |
*
|
|
58 |
* @param c the JTextPane component
|
|
59 |
* @return the UI
|
|
60 |
*/
|
|
61 |
public static ComponentUI createUI(JComponent c) {
|
|
62 |
return new BasicEditorPaneUI();
|
|
63 |
}
|
|
64 |
|
|
65 |
/**
|
|
66 |
* Creates a new BasicEditorPaneUI.
|
|
67 |
*/
|
|
68 |
public BasicEditorPaneUI() {
|
|
69 |
super();
|
|
70 |
}
|
|
71 |
|
|
72 |
/**
|
|
73 |
* Fetches the name used as a key to lookup properties through the
|
|
74 |
* UIManager. This is used as a prefix to all the standard
|
|
75 |
* text properties.
|
|
76 |
*
|
|
77 |
* @return the name ("EditorPane")
|
|
78 |
*/
|
|
79 |
protected String getPropertyPrefix() {
|
|
80 |
return "EditorPane";
|
|
81 |
}
|
|
82 |
|
|
83 |
/**
|
|
84 |
*{@inheritDoc}
|
|
85 |
*
|
|
86 |
* @since 1.5
|
|
87 |
*/
|
|
88 |
public void installUI(JComponent c) {
|
|
89 |
super.installUI(c);
|
|
90 |
updateDisplayProperties(c.getFont(),
|
|
91 |
c.getForeground());
|
|
92 |
}
|
|
93 |
|
|
94 |
/**
|
|
95 |
*{@inheritDoc}
|
|
96 |
*
|
|
97 |
* @since 1.5
|
|
98 |
*/
|
|
99 |
public void uninstallUI(JComponent c) {
|
|
100 |
cleanDisplayProperties();
|
|
101 |
super.uninstallUI(c);
|
|
102 |
}
|
|
103 |
|
|
104 |
/**
|
|
105 |
* Fetches the EditorKit for the UI. This is whatever is
|
|
106 |
* currently set in the associated JEditorPane.
|
|
107 |
*
|
|
108 |
* @return the editor capabilities
|
|
109 |
* @see TextUI#getEditorKit
|
|
110 |
*/
|
|
111 |
public EditorKit getEditorKit(JTextComponent tc) {
|
|
112 |
JEditorPane pane = (JEditorPane) getComponent();
|
|
113 |
return pane.getEditorKit();
|
|
114 |
}
|
|
115 |
|
|
116 |
/**
|
|
117 |
* Fetch an action map to use. The map for a JEditorPane
|
|
118 |
* is not shared because it changes with the EditorKit.
|
|
119 |
*/
|
|
120 |
ActionMap getActionMap() {
|
|
121 |
ActionMap am = new ActionMapUIResource();
|
|
122 |
am.put("requestFocus", new FocusAction());
|
|
123 |
EditorKit editorKit = getEditorKit(getComponent());
|
|
124 |
if (editorKit != null) {
|
|
125 |
Action[] actions = editorKit.getActions();
|
|
126 |
if (actions != null) {
|
|
127 |
addActions(am, actions);
|
|
128 |
}
|
|
129 |
}
|
|
130 |
am.put(TransferHandler.getCutAction().getValue(Action.NAME),
|
|
131 |
TransferHandler.getCutAction());
|
|
132 |
am.put(TransferHandler.getCopyAction().getValue(Action.NAME),
|
|
133 |
TransferHandler.getCopyAction());
|
|
134 |
am.put(TransferHandler.getPasteAction().getValue(Action.NAME),
|
|
135 |
TransferHandler.getPasteAction());
|
|
136 |
return am;
|
|
137 |
}
|
|
138 |
|
|
139 |
/**
|
|
140 |
* This method gets called when a bound property is changed
|
|
141 |
* on the associated JTextComponent. This is a hook
|
|
142 |
* which UI implementations may change to reflect how the
|
|
143 |
* UI displays bound properties of JTextComponent subclasses.
|
|
144 |
* This is implemented to rebuild the ActionMap based upon an
|
|
145 |
* EditorKit change.
|
|
146 |
*
|
|
147 |
* @param evt the property change event
|
|
148 |
*/
|
|
149 |
protected void propertyChange(PropertyChangeEvent evt) {
|
|
150 |
super.propertyChange(evt);
|
|
151 |
String name = evt.getPropertyName();
|
|
152 |
if ("editorKit".equals(name)) {
|
|
153 |
ActionMap map = SwingUtilities.getUIActionMap(getComponent());
|
|
154 |
if (map != null) {
|
|
155 |
Object oldValue = evt.getOldValue();
|
|
156 |
if (oldValue instanceof EditorKit) {
|
|
157 |
Action[] actions = ((EditorKit)oldValue).getActions();
|
|
158 |
if (actions != null) {
|
|
159 |
removeActions(map, actions);
|
|
160 |
}
|
|
161 |
}
|
|
162 |
Object newValue = evt.getNewValue();
|
|
163 |
if (newValue instanceof EditorKit) {
|
|
164 |
Action[] actions = ((EditorKit)newValue).getActions();
|
|
165 |
if (actions != null) {
|
|
166 |
addActions(map, actions);
|
|
167 |
}
|
|
168 |
}
|
|
169 |
}
|
|
170 |
updateFocusTraversalKeys();
|
|
171 |
} else if ("editable".equals(name)) {
|
|
172 |
updateFocusTraversalKeys();
|
|
173 |
} else if ("foreground".equals(name)
|
|
174 |
|| "font".equals(name)
|
|
175 |
|| "document".equals(name)
|
|
176 |
|| JEditorPane.W3C_LENGTH_UNITS.equals(name)
|
|
177 |
|| JEditorPane.HONOR_DISPLAY_PROPERTIES.equals(name)
|
|
178 |
) {
|
|
179 |
JComponent c = getComponent();
|
|
180 |
updateDisplayProperties(c.getFont(), c.getForeground());
|
|
181 |
if ( JEditorPane.W3C_LENGTH_UNITS.equals(name)
|
|
182 |
|| JEditorPane.HONOR_DISPLAY_PROPERTIES.equals(name) ) {
|
|
183 |
modelChanged();
|
|
184 |
}
|
|
185 |
if ("foreground".equals(name)) {
|
|
186 |
Object honorDisplayPropertiesObject = c.
|
|
187 |
getClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES);
|
|
188 |
boolean honorDisplayProperties = false;
|
|
189 |
if (honorDisplayPropertiesObject instanceof Boolean) {
|
|
190 |
honorDisplayProperties =
|
|
191 |
((Boolean)honorDisplayPropertiesObject).booleanValue();
|
|
192 |
}
|
|
193 |
if (honorDisplayProperties) {
|
|
194 |
modelChanged();
|
|
195 |
}
|
|
196 |
}
|
|
197 |
|
|
198 |
|
|
199 |
}
|
|
200 |
}
|
|
201 |
|
|
202 |
void removeActions(ActionMap map, Action[] actions) {
|
|
203 |
int n = actions.length;
|
|
204 |
for (int i = 0; i < n; i++) {
|
|
205 |
Action a = actions[i];
|
|
206 |
map.remove(a.getValue(Action.NAME));
|
|
207 |
}
|
|
208 |
}
|
|
209 |
|
|
210 |
void addActions(ActionMap map, Action[] actions) {
|
|
211 |
int n = actions.length;
|
|
212 |
for (int i = 0; i < n; i++) {
|
|
213 |
Action a = actions[i];
|
|
214 |
map.put(a.getValue(Action.NAME), a);
|
|
215 |
}
|
|
216 |
}
|
|
217 |
|
|
218 |
void updateDisplayProperties(Font font, Color fg) {
|
|
219 |
JComponent c = getComponent();
|
|
220 |
Object honorDisplayPropertiesObject = c.
|
|
221 |
getClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES);
|
|
222 |
boolean honorDisplayProperties = false;
|
|
223 |
Object w3cLengthUnitsObject = c.getClientProperty(JEditorPane.
|
|
224 |
W3C_LENGTH_UNITS);
|
|
225 |
boolean w3cLengthUnits = false;
|
|
226 |
if (honorDisplayPropertiesObject instanceof Boolean) {
|
|
227 |
honorDisplayProperties =
|
|
228 |
((Boolean)honorDisplayPropertiesObject).booleanValue();
|
|
229 |
}
|
|
230 |
if (w3cLengthUnitsObject instanceof Boolean) {
|
|
231 |
w3cLengthUnits = ((Boolean)w3cLengthUnitsObject).booleanValue();
|
|
232 |
}
|
|
233 |
if (this instanceof BasicTextPaneUI
|
|
234 |
|| honorDisplayProperties) {
|
|
235 |
//using equals because can not use UIResource for Boolean
|
|
236 |
Document doc = getComponent().getDocument();
|
|
237 |
if (doc instanceof StyledDocument) {
|
|
238 |
if (doc instanceof HTMLDocument
|
|
239 |
&& honorDisplayProperties) {
|
|
240 |
updateCSS(font, fg);
|
|
241 |
} else {
|
|
242 |
updateStyle(font, fg);
|
|
243 |
}
|
|
244 |
}
|
|
245 |
} else {
|
|
246 |
cleanDisplayProperties();
|
|
247 |
}
|
|
248 |
if ( w3cLengthUnits ) {
|
|
249 |
Document doc = getComponent().getDocument();
|
|
250 |
if (doc instanceof HTMLDocument) {
|
|
251 |
StyleSheet documentStyleSheet =
|
|
252 |
((HTMLDocument)doc).getStyleSheet();
|
|
253 |
documentStyleSheet.addRule("W3C_LENGTH_UNITS_ENABLE");
|
|
254 |
}
|
|
255 |
} else {
|
|
256 |
Document doc = getComponent().getDocument();
|
|
257 |
if (doc instanceof HTMLDocument) {
|
|
258 |
StyleSheet documentStyleSheet =
|
|
259 |
((HTMLDocument)doc).getStyleSheet();
|
|
260 |
documentStyleSheet.addRule("W3C_LENGTH_UNITS_DISABLE");
|
|
261 |
}
|
|
262 |
|
|
263 |
}
|
|
264 |
}
|
|
265 |
|
|
266 |
/**
|
|
267 |
* Attribute key to reference the default font.
|
|
268 |
* used in javax.swing.text.StyleContext.getFont
|
|
269 |
* to resolve the default font.
|
|
270 |
*/
|
|
271 |
private static final String FONT_ATTRIBUTE_KEY = "FONT_ATTRIBUTE_KEY";
|
|
272 |
|
|
273 |
void cleanDisplayProperties() {
|
|
274 |
Document document = getComponent().getDocument();
|
|
275 |
if (document instanceof HTMLDocument) {
|
|
276 |
StyleSheet documentStyleSheet =
|
|
277 |
((HTMLDocument)document).getStyleSheet();
|
|
278 |
StyleSheet[] styleSheets = documentStyleSheet.getStyleSheets();
|
|
279 |
if (styleSheets != null) {
|
|
280 |
for (StyleSheet s : styleSheets) {
|
|
281 |
if (s instanceof StyleSheetUIResource) {
|
|
282 |
documentStyleSheet.removeStyleSheet(s);
|
|
283 |
documentStyleSheet.addRule("BASE_SIZE_DISABLE");
|
|
284 |
break;
|
|
285 |
}
|
|
286 |
}
|
|
287 |
}
|
|
288 |
Style style = ((StyledDocument) document).getStyle(StyleContext.DEFAULT_STYLE);
|
|
289 |
if (style.getAttribute(FONT_ATTRIBUTE_KEY) != null) {
|
|
290 |
style.removeAttribute(FONT_ATTRIBUTE_KEY);
|
|
291 |
}
|
|
292 |
}
|
|
293 |
}
|
|
294 |
|
|
295 |
static class StyleSheetUIResource extends StyleSheet implements UIResource {
|
|
296 |
}
|
|
297 |
|
|
298 |
private void updateCSS(Font font, Color fg) {
|
|
299 |
JTextComponent component = getComponent();
|
|
300 |
Document document = component.getDocument();
|
|
301 |
if (document instanceof HTMLDocument) {
|
|
302 |
StyleSheet styleSheet = new StyleSheetUIResource();
|
|
303 |
StyleSheet documentStyleSheet =
|
|
304 |
((HTMLDocument)document).getStyleSheet();
|
|
305 |
StyleSheet[] styleSheets = documentStyleSheet.getStyleSheets();
|
|
306 |
if (styleSheets != null) {
|
|
307 |
for (StyleSheet s : styleSheets) {
|
|
308 |
if (s instanceof StyleSheetUIResource) {
|
|
309 |
documentStyleSheet.removeStyleSheet(s);
|
|
310 |
}
|
|
311 |
}
|
|
312 |
}
|
|
313 |
String cssRule = sun.swing.
|
|
314 |
SwingUtilities2.displayPropertiesToCSS(font,
|
|
315 |
fg);
|
|
316 |
styleSheet.addRule(cssRule);
|
|
317 |
documentStyleSheet.addStyleSheet(styleSheet);
|
|
318 |
documentStyleSheet.addRule("BASE_SIZE " +
|
|
319 |
component.getFont().getSize());
|
|
320 |
Style style = ((StyledDocument) document).getStyle(StyleContext.DEFAULT_STYLE);
|
|
321 |
if (! font.equals(style.getAttribute(FONT_ATTRIBUTE_KEY))) {
|
|
322 |
style.addAttribute(FONT_ATTRIBUTE_KEY, font);
|
|
323 |
}
|
|
324 |
}
|
|
325 |
}
|
|
326 |
|
|
327 |
private void updateStyle(Font font, Color fg) {
|
|
328 |
updateFont(font);
|
|
329 |
updateForeground(fg);
|
|
330 |
}
|
|
331 |
|
|
332 |
/**
|
|
333 |
* Update the color in the default style of the document.
|
|
334 |
*
|
|
335 |
* @param color the new color to use or null to remove the color attribute
|
|
336 |
* from the document's style
|
|
337 |
*/
|
|
338 |
private void updateForeground(Color color) {
|
|
339 |
StyledDocument doc = (StyledDocument)getComponent().getDocument();
|
|
340 |
Style style = doc.getStyle(StyleContext.DEFAULT_STYLE);
|
|
341 |
|
|
342 |
if (style == null) {
|
|
343 |
return;
|
|
344 |
}
|
|
345 |
|
|
346 |
if (color == null) {
|
|
347 |
if (style.getAttribute(StyleConstants.Foreground) != null) {
|
|
348 |
style.removeAttribute(StyleConstants.Foreground);
|
|
349 |
}
|
|
350 |
} else {
|
|
351 |
if (! color.equals(StyleConstants.getForeground(style))) {
|
|
352 |
StyleConstants.setForeground(style, color);
|
|
353 |
}
|
|
354 |
}
|
|
355 |
}
|
|
356 |
|
|
357 |
/**
|
|
358 |
* Update the font in the default style of the document.
|
|
359 |
*
|
|
360 |
* @param font the new font to use or null to remove the font attribute
|
|
361 |
* from the document's style
|
|
362 |
*/
|
|
363 |
private void updateFont(Font font) {
|
|
364 |
StyledDocument doc = (StyledDocument)getComponent().getDocument();
|
|
365 |
Style style = doc.getStyle(StyleContext.DEFAULT_STYLE);
|
|
366 |
|
|
367 |
if (style == null) {
|
|
368 |
return;
|
|
369 |
}
|
|
370 |
|
|
371 |
String fontFamily = (String) style.getAttribute(StyleConstants.FontFamily);
|
|
372 |
Integer fontSize = (Integer) style.getAttribute(StyleConstants.FontSize);
|
|
373 |
Boolean isBold = (Boolean) style.getAttribute(StyleConstants.Bold);
|
|
374 |
Boolean isItalic = (Boolean) style.getAttribute(StyleConstants.Italic);
|
|
375 |
Font fontAttribute = (Font) style.getAttribute(FONT_ATTRIBUTE_KEY);
|
|
376 |
if (font == null) {
|
|
377 |
if (fontFamily != null) {
|
|
378 |
style.removeAttribute(StyleConstants.FontFamily);
|
|
379 |
}
|
|
380 |
if (fontSize != null) {
|
|
381 |
style.removeAttribute(StyleConstants.FontSize);
|
|
382 |
}
|
|
383 |
if (isBold != null) {
|
|
384 |
style.removeAttribute(StyleConstants.Bold);
|
|
385 |
}
|
|
386 |
if (isItalic != null) {
|
|
387 |
style.removeAttribute(StyleConstants.Italic);
|
|
388 |
}
|
|
389 |
if (fontAttribute != null) {
|
|
390 |
style.removeAttribute(FONT_ATTRIBUTE_KEY);
|
|
391 |
}
|
|
392 |
} else {
|
|
393 |
if (! font.getName().equals(fontFamily)) {
|
|
394 |
StyleConstants.setFontFamily(style, font.getName());
|
|
395 |
}
|
|
396 |
if (fontSize == null
|
|
397 |
|| fontSize.intValue() != font.getSize()) {
|
|
398 |
StyleConstants.setFontSize(style, font.getSize());
|
|
399 |
}
|
|
400 |
if (isBold == null
|
|
401 |
|| isBold.booleanValue() != font.isBold()) {
|
|
402 |
StyleConstants.setBold(style, font.isBold());
|
|
403 |
}
|
|
404 |
if (isItalic == null
|
|
405 |
|| isItalic.booleanValue() != font.isItalic()) {
|
|
406 |
StyleConstants.setItalic(style, font.isItalic());
|
|
407 |
}
|
|
408 |
if (! font.equals(fontAttribute)) {
|
|
409 |
style.addAttribute(FONT_ATTRIBUTE_KEY, font);
|
|
410 |
}
|
|
411 |
}
|
|
412 |
}
|
|
413 |
}
|