root / tags / v1_0_2_Build_897 / applications / appgvSIG / src / com / iver / cit / gvsig / gui / GUIUtil.java @ 10444
History | View | Annotate | Download (37.4 KB)
1 |
/*
|
---|---|
2 |
* The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
|
3 |
* for visualizing and manipulating spatial features with geometry and attributes.
|
4 |
*
|
5 |
* Copyright (C) 2003 Vivid Solutions
|
6 |
*
|
7 |
* This program is free software; you can redistribute it and/or
|
8 |
* modify it under the terms of the GNU General Public License
|
9 |
* as published by the Free Software Foundation; either version 2
|
10 |
* of the License, or (at your option) any later version.
|
11 |
*
|
12 |
* This program is distributed in the hope that it will be useful,
|
13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
15 |
* GNU General Public License for more details.
|
16 |
*
|
17 |
* You should have received a copy of the GNU General Public License
|
18 |
* along with this program; if not, write to the Free Software
|
19 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
20 |
*
|
21 |
* For more information, contact:
|
22 |
*
|
23 |
* Vivid Solutions
|
24 |
* Suite #1A
|
25 |
* 2328 Government Street
|
26 |
* Victoria BC V8T 5G5
|
27 |
* Canada
|
28 |
*
|
29 |
* (250)385-6040
|
30 |
* www.vividsolutions.com
|
31 |
*/
|
32 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
33 |
*
|
34 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
35 |
*
|
36 |
* This program is free software; you can redistribute it and/or
|
37 |
* modify it under the terms of the GNU General Public License
|
38 |
* as published by the Free Software Foundation; either version 2
|
39 |
* of the License, or (at your option) any later version.
|
40 |
*
|
41 |
* This program is distributed in the hope that it will be useful,
|
42 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
43 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
44 |
* GNU General Public License for more details.
|
45 |
*
|
46 |
* You should have received a copy of the GNU General Public License
|
47 |
* along with this program; if not, write to the Free Software
|
48 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
49 |
*
|
50 |
* For more information, contact:
|
51 |
*
|
52 |
* Generalitat Valenciana
|
53 |
* Conselleria d'Infraestructures i Transport
|
54 |
* Av. Blasco Ib??ez, 50
|
55 |
* 46010 VALENCIA
|
56 |
* SPAIN
|
57 |
*
|
58 |
* +34 963862235
|
59 |
* gvsig@gva.es
|
60 |
* www.gvsig.gva.es
|
61 |
*
|
62 |
* or
|
63 |
*
|
64 |
* IVER T.I. S.A
|
65 |
* Salamanca 50
|
66 |
* 46005 Valencia
|
67 |
* Spain
|
68 |
*
|
69 |
* +34 963163400
|
70 |
* dac@iver.es
|
71 |
*/
|
72 |
package com.iver.cit.gvsig.gui; |
73 |
|
74 |
import java.awt.CardLayout; |
75 |
import java.awt.Color; |
76 |
import java.awt.Component; |
77 |
import java.awt.Container; |
78 |
import java.awt.Dimension; |
79 |
import java.awt.Image; |
80 |
import java.awt.Point; |
81 |
import java.awt.Toolkit; |
82 |
import java.awt.datatransfer.Clipboard; |
83 |
import java.awt.datatransfer.Transferable; |
84 |
import java.awt.event.ActionEvent; |
85 |
import java.awt.event.ActionListener; |
86 |
import java.awt.event.ContainerAdapter; |
87 |
import java.awt.event.ContainerEvent; |
88 |
import java.awt.event.MouseEvent; |
89 |
import java.awt.event.MouseListener; |
90 |
import java.awt.font.TextLayout; |
91 |
import java.awt.geom.Point2D; |
92 |
import java.beans.PropertyChangeEvent; |
93 |
import java.beans.PropertyChangeListener; |
94 |
import java.io.File; |
95 |
import java.lang.reflect.InvocationTargetException; |
96 |
import java.util.ArrayList; |
97 |
import java.util.List; |
98 |
|
99 |
import javax.swing.BorderFactory; |
100 |
import javax.swing.GrayFilter; |
101 |
import javax.swing.ImageIcon; |
102 |
import javax.swing.JCheckBox; |
103 |
import javax.swing.JComboBox; |
104 |
import javax.swing.JComponent; |
105 |
import javax.swing.JDesktopPane; |
106 |
import javax.swing.JFileChooser; |
107 |
import javax.swing.JInternalFrame; |
108 |
import javax.swing.JOptionPane; |
109 |
import javax.swing.JSlider; |
110 |
import javax.swing.JTable; |
111 |
import javax.swing.SwingConstants; |
112 |
import javax.swing.SwingUtilities; |
113 |
import javax.swing.Timer; |
114 |
import javax.swing.UIManager; |
115 |
import javax.swing.event.ChangeEvent; |
116 |
import javax.swing.event.ChangeListener; |
117 |
import javax.swing.event.DocumentEvent; |
118 |
import javax.swing.event.DocumentListener; |
119 |
import javax.swing.event.InternalFrameEvent; |
120 |
import javax.swing.event.InternalFrameListener; |
121 |
import javax.swing.event.ListDataEvent; |
122 |
import javax.swing.event.ListDataListener; |
123 |
import javax.swing.filechooser.FileFilter; |
124 |
import javax.swing.plaf.basic.BasicComboBoxEditor; |
125 |
import javax.swing.table.DefaultTableCellRenderer; |
126 |
import javax.swing.table.TableColumn; |
127 |
|
128 |
import com.vividsolutions.jts.util.Assert; |
129 |
import com.vividsolutions.jump.util.StringUtil; |
130 |
|
131 |
|
132 |
//<<TODO:NAMING>> Perhaps rename to WorkbenchUtilities and move to workbench package? [Jon Aquino]
|
133 |
public class GUIUtil { |
134 |
public final static String dbf = "dbf"; |
135 |
public final static String dbfDesc = "DBF"; |
136 |
public final static String fme = "fme"; |
137 |
public final static String fmeDesc = "FME GML"; |
138 |
public final static String gml = "gml"; |
139 |
public final static String gmlDesc = "GML"; |
140 |
|
141 |
//<<TODO:REFACTORING>> If these constants are only used by descendants of
|
142 |
//AbstractDriver, they should be moved to AbstractDriver. GUIUtilities is
|
143 |
//supposed to be very generic. [Jon Aquino]
|
144 |
public final static String jml = "jml"; |
145 |
public final static String jmlDesc = "JCS GML"; |
146 |
public final static String shp = "shp"; |
147 |
|
148 |
//<<TODO:NAMING>> "ESRI Shapefile" would be more precise. Is this what they
|
149 |
//are? [Jon Aquino]
|
150 |
public final static String shpDesc = "ESRI Shapefile"; |
151 |
public final static String shx = "shx"; |
152 |
public final static String shxDesc = "SHX"; |
153 |
public final static String wkt = "wkt"; |
154 |
public final static String wktDesc = "Well Known Text"; |
155 |
public final static String wktaDesc = "Well Known Text (Show Attribute)"; |
156 |
public final static String xml = "xml"; |
157 |
public final static String xmlDesc = "XML"; |
158 |
public static final FileFilter ALL_FILES_FILTER = new FileFilter() { |
159 |
public boolean accept(File f) { |
160 |
return true; |
161 |
} |
162 |
|
163 |
public String getDescription() { |
164 |
return "All Files"; |
165 |
} |
166 |
}; |
167 |
|
168 |
public GUIUtil() {
|
169 |
} |
170 |
|
171 |
/**
|
172 |
* Returns a string suitable for embeddind as HTML. That is, all
|
173 |
* characters which have a special meaning in HTML are escaped
|
174 |
* as character codes.
|
175 |
*
|
176 |
* <p>
|
177 |
* Based on code from Jason Sherman. See http://www.w3schools.com/html/html_asciiref.asp
|
178 |
* </p>
|
179 |
*/
|
180 |
public final static String escapeHTML(String value, boolean escapeSpaces, |
181 |
boolean escapeNewlines) {
|
182 |
if (value == null) { |
183 |
return (null); |
184 |
} |
185 |
|
186 |
char[] content = new char[value.length()]; |
187 |
value.getChars(0, value.length(), content, 0); |
188 |
|
189 |
StringBuffer result = new StringBuffer(); |
190 |
|
191 |
for (int i = 0; i < content.length; i++) { |
192 |
switch (content[i]) {
|
193 |
case ' ': |
194 |
result.append(escapeSpaces ? " " : " "); |
195 |
|
196 |
break;
|
197 |
|
198 |
//Added \n [Jon Aquino]
|
199 |
case '\n': |
200 |
result.append(escapeNewlines ? "<BR>" : "\n"); |
201 |
|
202 |
break;
|
203 |
|
204 |
case '!': |
205 |
result.append("!");
|
206 |
|
207 |
break;
|
208 |
|
209 |
case '"': |
210 |
result.append(""");
|
211 |
|
212 |
break;
|
213 |
|
214 |
case '#': |
215 |
result.append("#");
|
216 |
|
217 |
break;
|
218 |
|
219 |
case '$': |
220 |
result.append("$");
|
221 |
|
222 |
break;
|
223 |
|
224 |
case '%': |
225 |
result.append("%");
|
226 |
|
227 |
break;
|
228 |
|
229 |
case '&': |
230 |
result.append("&");
|
231 |
|
232 |
break;
|
233 |
|
234 |
case '\'': |
235 |
result.append("'");
|
236 |
|
237 |
break;
|
238 |
|
239 |
case '(': |
240 |
result.append("(");
|
241 |
|
242 |
break;
|
243 |
|
244 |
case ')': |
245 |
result.append(")");
|
246 |
|
247 |
break;
|
248 |
|
249 |
case '*': |
250 |
result.append("*");
|
251 |
|
252 |
break;
|
253 |
|
254 |
case '+': |
255 |
result.append("+");
|
256 |
|
257 |
break;
|
258 |
|
259 |
case ',': |
260 |
result.append(",");
|
261 |
|
262 |
break;
|
263 |
|
264 |
case '-': |
265 |
result.append("-");
|
266 |
|
267 |
break;
|
268 |
|
269 |
case '.': |
270 |
result.append(".");
|
271 |
|
272 |
break;
|
273 |
|
274 |
case '/': |
275 |
result.append("/");
|
276 |
|
277 |
break;
|
278 |
|
279 |
case ':': |
280 |
result.append(":");
|
281 |
|
282 |
break;
|
283 |
|
284 |
case ';': |
285 |
result.append(";");
|
286 |
|
287 |
break;
|
288 |
|
289 |
case '<': |
290 |
result.append("<");
|
291 |
|
292 |
break;
|
293 |
|
294 |
case '=': |
295 |
result.append("=");
|
296 |
|
297 |
break;
|
298 |
|
299 |
case '>': |
300 |
result.append(">");
|
301 |
|
302 |
break;
|
303 |
|
304 |
case '?': |
305 |
result.append("?");
|
306 |
|
307 |
break;
|
308 |
|
309 |
case '@': |
310 |
result.append("@");
|
311 |
|
312 |
break;
|
313 |
|
314 |
case '[': |
315 |
result.append("[");
|
316 |
|
317 |
break;
|
318 |
|
319 |
case '\\': |
320 |
result.append("\");
|
321 |
|
322 |
break;
|
323 |
|
324 |
case ']': |
325 |
result.append("]");
|
326 |
|
327 |
break;
|
328 |
|
329 |
case '^': |
330 |
result.append("^");
|
331 |
|
332 |
break;
|
333 |
|
334 |
case '_': |
335 |
result.append("_");
|
336 |
|
337 |
break;
|
338 |
|
339 |
case '`': |
340 |
result.append("`");
|
341 |
|
342 |
break;
|
343 |
|
344 |
case '{': |
345 |
result.append("{");
|
346 |
|
347 |
break;
|
348 |
|
349 |
case '|': |
350 |
result.append("|");
|
351 |
|
352 |
break;
|
353 |
|
354 |
case '}': |
355 |
result.append("}");
|
356 |
|
357 |
break;
|
358 |
|
359 |
case '~': |
360 |
result.append("~");
|
361 |
|
362 |
break;
|
363 |
|
364 |
default:
|
365 |
result.append(content[i]); |
366 |
} |
367 |
} |
368 |
|
369 |
return (result.toString());
|
370 |
} |
371 |
|
372 |
/*
|
373 |
* Get the extension of a file e.g. txt
|
374 |
*/
|
375 |
public static String getExtension(File f) { |
376 |
String ext = ""; |
377 |
String s = f.getName();
|
378 |
int i = s.lastIndexOf('.'); |
379 |
|
380 |
if ((i > 0) && (i < (s.length() - 1))) { |
381 |
ext = s.substring(i + 1).toLowerCase();
|
382 |
} |
383 |
|
384 |
return ext;
|
385 |
} |
386 |
|
387 |
public static Color alphaColor(Color color, int alpha) { |
388 |
return new Color(color.getRed(), color.getGreen(), color.getBlue(), |
389 |
alpha); |
390 |
} |
391 |
|
392 |
/**
|
393 |
* Centres the first component on the second
|
394 |
*
|
395 |
*@param componentToMove Description of the Parameter
|
396 |
*@param componentToCentreOn Description of the Parameter
|
397 |
*/
|
398 |
public static void centre(Component componentToMove, |
399 |
Component componentToCentreOn) {
|
400 |
Dimension componentToCentreOnSize = componentToCentreOn.getSize();
|
401 |
componentToMove.setLocation(componentToCentreOn.getX() + |
402 |
((componentToCentreOnSize.width - componentToMove.getWidth()) / 2),
|
403 |
componentToCentreOn.getY() + |
404 |
((componentToCentreOnSize.height - componentToMove.getHeight()) / 2));
|
405 |
} |
406 |
|
407 |
/**
|
408 |
* Centres the component on the screen
|
409 |
*
|
410 |
*@param componentToMove Description of the Parameter
|
411 |
*/
|
412 |
public static void centreOnScreen(Component componentToMove) { |
413 |
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); |
414 |
componentToMove.setLocation((screenSize.width - |
415 |
componentToMove.getWidth()) / 2,
|
416 |
(screenSize.height - componentToMove.getHeight()) / 2);
|
417 |
} |
418 |
|
419 |
/**
|
420 |
* Centres the component on its window
|
421 |
*
|
422 |
*@param componentToMove Description of the Parameter
|
423 |
*/
|
424 |
public static void centreOnWindow(Component componentToMove) { |
425 |
centre(componentToMove, |
426 |
SwingUtilities.windowForComponent(componentToMove));
|
427 |
} |
428 |
|
429 |
/**
|
430 |
* Sets the column widths based on the first row.
|
431 |
*
|
432 |
*@param table Description of the Parameter
|
433 |
*/
|
434 |
public static void chooseGoodColumnWidths(JTable table) { |
435 |
//Without padding, columns are slightly narrow, and we get "...". [Jon Aquino]
|
436 |
final int PADDING = 5; |
437 |
|
438 |
if (table.getModel().getRowCount() == 0) { |
439 |
return;
|
440 |
} |
441 |
|
442 |
for (int i = 0; i < table.getModel().getColumnCount(); i++) { |
443 |
TableColumn column = table.getColumnModel().getColumn(i);
|
444 |
double headerWidth = table.getTableHeader().getDefaultRenderer()
|
445 |
.getTableCellRendererComponent(table, |
446 |
table.getModel().getColumnName(i), false, false, 0, i) |
447 |
.getPreferredSize().getWidth() + PADDING; |
448 |
double valueWidth = 10; // default in case of error |
449 |
|
450 |
try {
|
451 |
valueWidth = table.getCellRenderer(0, i)
|
452 |
.getTableCellRendererComponent(table, |
453 |
table.getModel().getValueAt(0, i), false, false, 0, i) |
454 |
.getPreferredSize().getWidth() + PADDING; |
455 |
} catch (Exception ex) { |
456 |
// ignore the exception, since we can easily choose a default width
|
457 |
} |
458 |
|
459 |
//Limit column width to 200 pixels.
|
460 |
int width = Math.min(200, |
461 |
Math.max((int) headerWidth, (int) valueWidth)); |
462 |
column.setPreferredWidth(width); |
463 |
|
464 |
//Need to set the actual width too, otherwise actual width may end
|
465 |
//up a bit less than the preferred width. [Jon Aquino]
|
466 |
column.setWidth(width); |
467 |
} |
468 |
} |
469 |
|
470 |
public static JFileChooser createJFileChooserWithExistenceChecking() { |
471 |
return new JFileChooser() { |
472 |
public void approveSelection() { |
473 |
File[] files = selectedFiles(this); |
474 |
|
475 |
if (files.length == 0) { |
476 |
return;
|
477 |
} |
478 |
|
479 |
for (int i = 0; i < files.length; i++) { |
480 |
if (!files[i].exists() && !files[i].isFile()) {
|
481 |
return;
|
482 |
} |
483 |
} |
484 |
|
485 |
super.approveSelection();
|
486 |
} |
487 |
}; |
488 |
} |
489 |
|
490 |
public static JFileChooser createJFileChooserWithOverwritePrompting() { |
491 |
return new JFileChooser() { |
492 |
public void approveSelection() { |
493 |
if (selectedFiles(this).length != 1) { |
494 |
return;
|
495 |
} |
496 |
|
497 |
File selectedFile = selectedFiles(this)[0]; |
498 |
|
499 |
if (selectedFile.exists() && !selectedFile.isFile()) {
|
500 |
return;
|
501 |
} |
502 |
|
503 |
if (selectedFile.exists()) {
|
504 |
int response = JOptionPane.showConfirmDialog(this, |
505 |
"The file " + selectedFile.getName() +
|
506 |
" already exists. Do you " +
|
507 |
"want to replace the existing file?", "JUMP", |
508 |
JOptionPane.YES_NO_OPTION);
|
509 |
|
510 |
if (response != JOptionPane.YES_OPTION) { |
511 |
return;
|
512 |
} |
513 |
} |
514 |
|
515 |
super.approveSelection();
|
516 |
} |
517 |
}; |
518 |
} |
519 |
|
520 |
public static void doNotRoundDoubles(JTable table) { |
521 |
table.setDefaultRenderer(Double.class,
|
522 |
new DefaultTableCellRenderer() { |
523 |
public void setValue(Object value) { |
524 |
setText((value == null) ? "" : ("" + value)); |
525 |
} |
526 |
|
527 |
{ |
528 |
setHorizontalAlignment(SwingConstants.RIGHT);
|
529 |
} |
530 |
}); |
531 |
} |
532 |
|
533 |
/**
|
534 |
* Workaround for Java Bug 4648654 "REGRESSION: Editable JComboBox focus
|
535 |
* misbehaves under Windows look and feel, proposed by Kleopatra
|
536 |
* (fastegal@addcom.de). Also see Java Bug 4673880 "REGRESSION: Modified
|
537 |
* editable JComboBox in Windows LAF does not release focus." This bug
|
538 |
* started occurring in Java 1.4.0.
|
539 |
*
|
540 |
*@param cb Description of the Parameter
|
541 |
*/
|
542 |
public static void fixEditableComboBox(JComboBox cb) { |
543 |
Assert.isTrue(cb.isEditable()); |
544 |
|
545 |
if (!UIManager.getLookAndFeel().getName().equals("Windows")) { |
546 |
return;
|
547 |
} |
548 |
|
549 |
cb.setEditor(new BasicComboBoxEditor() { |
550 |
public void setItem(Object item) { |
551 |
super.setItem(item);
|
552 |
editor.selectAll(); |
553 |
} |
554 |
}); |
555 |
} |
556 |
|
557 |
public static void handleThrowable(final Throwable t, final Component parent) { |
558 |
try {
|
559 |
//<<TODO:UI>> A humane interface does not pop up an error dialog, as that interrupts
|
560 |
//the user's work. Rather, error messages are displayed modelessly. See the book
|
561 |
//"Humane Interfaces" (Raskin 2000) [Jon Aquino]
|
562 |
SwingUtilities.invokeLater(new Runnable() { |
563 |
public void run() { |
564 |
t.printStackTrace(System.out);
|
565 |
JOptionPane.showMessageDialog(parent,
|
566 |
StringUtil.split(t.toString(), 80), "Exception", |
567 |
JOptionPane.ERROR_MESSAGE);
|
568 |
} |
569 |
}); |
570 |
} catch (Throwable t2) { |
571 |
t2.printStackTrace(System.out);
|
572 |
} |
573 |
} |
574 |
|
575 |
/**
|
576 |
* GUI operations should be performed only on the AWT event dispatching
|
577 |
* thread. Blocks until the Runnable is finished.
|
578 |
*/
|
579 |
public static void invokeOnEventThread(Runnable r) |
580 |
throws InterruptedException, InvocationTargetException { |
581 |
if (SwingUtilities.isEventDispatchThread()) { |
582 |
r.run(); |
583 |
} else {
|
584 |
SwingUtilities.invokeAndWait(r);
|
585 |
} |
586 |
} |
587 |
|
588 |
public static String nameWithoutExtension(File file) { |
589 |
String name = file.getName();
|
590 |
int dotPosition = name.indexOf('.'); |
591 |
|
592 |
return (dotPosition < 0) ? name : name.substring(0, dotPosition); |
593 |
} |
594 |
|
595 |
public static void removeChoosableFileFilters(JFileChooser fc) { |
596 |
FileFilter[] filters = fc.getChoosableFileFilters(); |
597 |
|
598 |
for (int i = 0; i < filters.length; i++) { |
599 |
fc.removeChoosableFileFilter(filters[i]); |
600 |
} |
601 |
|
602 |
return;
|
603 |
} |
604 |
|
605 |
/**
|
606 |
* @param extensions e.g. txt
|
607 |
*/
|
608 |
public static FileFilter createFileFilter(final String description, |
609 |
final String[] extensions) { |
610 |
return new FileFilter() { |
611 |
public boolean accept(File f) { |
612 |
if (f.isDirectory()) {
|
613 |
return true; |
614 |
} |
615 |
|
616 |
for (int i = 0; i < extensions.length; i++) { |
617 |
if (GUIUtil.getExtension(f).equalsIgnoreCase(extensions[i])) {
|
618 |
return true; |
619 |
} |
620 |
} |
621 |
|
622 |
return false; |
623 |
} |
624 |
|
625 |
public String getDescription() { |
626 |
ArrayList extensionStrings = new ArrayList(); |
627 |
|
628 |
for (int i = 0; i < extensions.length; i++) { |
629 |
extensionStrings.add("*." + extensions[i]);
|
630 |
} |
631 |
|
632 |
return description + " (" + |
633 |
StringUtil.replaceAll(StringUtil.toCommaDelimitedString( |
634 |
extensionStrings), ",", ";") + ")"; |
635 |
} |
636 |
}; |
637 |
} |
638 |
|
639 |
/**
|
640 |
*@param color a Color with possibly an alpha less than 255
|
641 |
*@return a Color with alpha equal to 255, but equivalent to the
|
642 |
* original translucent colour on a white background
|
643 |
*/
|
644 |
public static Color toSimulatedTransparency(Color color) { |
645 |
//My guess, but it seems to work! [Jon Aquino]
|
646 |
return new Color(color.getRed() + |
647 |
(int) (((255 - color.getRed()) * (255 - color.getAlpha())) / 255d), |
648 |
color.getGreen() + |
649 |
(int) (((255 - color.getGreen()) * (255 - color.getAlpha())) / 255d), |
650 |
color.getBlue() + |
651 |
(int) (((255 - color.getBlue()) * (255 - color.getAlpha())) / 255d)); |
652 |
} |
653 |
|
654 |
public static String truncateString(String s, int maxLength) { |
655 |
if (s.length() < maxLength) {
|
656 |
return s;
|
657 |
} |
658 |
|
659 |
return s.substring(0, maxLength - 3) + "..."; |
660 |
} |
661 |
|
662 |
public static Point2D subtract(Point2D a, Point2D b) { |
663 |
return new Point2D.Double(a.getX() - b.getX(), a.getY() - b.getY()); |
664 |
} |
665 |
|
666 |
public static Point2D add(Point2D a, Point2D b) { |
667 |
return new Point2D.Double(a.getX() + b.getX(), a.getY() + b.getY()); |
668 |
} |
669 |
|
670 |
public static Point2D multiply(Point2D v, double x) { |
671 |
return new Point2D.Double(v.getX() * x, v.getY() * x); |
672 |
} |
673 |
|
674 |
/**
|
675 |
* The JVM's clipboard implementation is buggy (see bugs 4644554 and 4522198
|
676 |
* in Sun's Java bug database). This method is a workaround that returns null
|
677 |
* if an exception is thrown, as suggested in the bug reports.
|
678 |
*/
|
679 |
public static Transferable getContents(Clipboard clipboard) { |
680 |
try {
|
681 |
return clipboard.getContents(null); |
682 |
} catch (Throwable t) { |
683 |
return null; |
684 |
} |
685 |
} |
686 |
|
687 |
/**
|
688 |
* Returns the distance from the baseline to the top of the text's bounding box.
|
689 |
* Unlike the usual ascent, which is independent of the actual text.
|
690 |
* Note that "True ascent" is not a standard term.
|
691 |
*/
|
692 |
public static double trueAscent(TextLayout layout) { |
693 |
return -layout.getBounds().getY();
|
694 |
} |
695 |
|
696 |
public static ImageIcon resize(ImageIcon icon, int extent) { |
697 |
return new ImageIcon(icon.getImage().getScaledInstance(extent, extent, |
698 |
Image.SCALE_SMOOTH));
|
699 |
} |
700 |
|
701 |
/**
|
702 |
* Resizes icon to 16 x 16.
|
703 |
*/
|
704 |
public static ImageIcon toSmallIcon(ImageIcon icon) { |
705 |
return resize(icon, 16); |
706 |
} |
707 |
|
708 |
public static int swingThreadPriority() { |
709 |
final Int i = new Int(); |
710 |
|
711 |
try {
|
712 |
invokeOnEventThread(new Runnable() { |
713 |
public void run() { |
714 |
i.i = Thread.currentThread().getPriority();
|
715 |
} |
716 |
}); |
717 |
} catch (InvocationTargetException e) { |
718 |
Assert.shouldNeverReachHere(); |
719 |
} catch (InterruptedException e) { |
720 |
Assert.shouldNeverReachHere(); |
721 |
} |
722 |
|
723 |
return i.i;
|
724 |
} |
725 |
|
726 |
/**
|
727 |
* Fix for Sun Java Bug 4398733: if you click in an inactive JInternalFrame,
|
728 |
* the mousePressed and mouseReleased events will be fired, but not the
|
729 |
* mouseClicked event.
|
730 |
*/
|
731 |
public static void fixClicks(final Component c) { |
732 |
//This is a time bomb because when (if?) Sun fixes the bug, this method will
|
733 |
//add an extra click. We should put an if statement here that immediately
|
734 |
//returns if the Java version is greater than or equal to that in which the bug
|
735 |
//is fixed. Problem is, we don't know what that version will be. [Jon Aquino]
|
736 |
c.addMouseListener(new MouseListener() { |
737 |
public void mousePressed(MouseEvent e) { |
738 |
add(e); |
739 |
} |
740 |
|
741 |
public void mouseExited(MouseEvent e) { |
742 |
add(e); |
743 |
} |
744 |
|
745 |
public void mouseClicked(MouseEvent e) { |
746 |
add(e); |
747 |
} |
748 |
|
749 |
public void mouseEntered(MouseEvent e) { |
750 |
add(e); |
751 |
} |
752 |
|
753 |
private MouseEvent event(int i) { |
754 |
return (MouseEvent) events.get(i); |
755 |
} |
756 |
|
757 |
public void mouseReleased(MouseEvent e) { |
758 |
add(e); |
759 |
|
760 |
if ((events.size() == 4) && |
761 |
(event(0).getID() == MouseEvent.MOUSE_PRESSED) && |
762 |
(event(1).getID() == MouseEvent.MOUSE_EXITED) && |
763 |
(event(2).getID() == MouseEvent.MOUSE_ENTERED)) { |
764 |
c.dispatchEvent(new MouseEvent(c, |
765 |
MouseEvent.MOUSE_CLICKED,
|
766 |
System.currentTimeMillis(), e.getModifiers(),
|
767 |
e.getX(), e.getY(), e.getClickCount(), |
768 |
e.isPopupTrigger())); |
769 |
} |
770 |
} |
771 |
|
772 |
private void add(MouseEvent e) { |
773 |
if (events.size() == 4) { |
774 |
events.remove(0);
|
775 |
} |
776 |
|
777 |
events.add(e); |
778 |
} |
779 |
|
780 |
private ArrayList events = new ArrayList(); |
781 |
}); |
782 |
} |
783 |
|
784 |
/**
|
785 |
* Listens to all internal frames (current and future) in a JDesktopPane.
|
786 |
*/
|
787 |
public static void addInternalFrameListener(JDesktopPane pane, |
788 |
final InternalFrameListener listener) { |
789 |
JInternalFrame[] frames = pane.getAllFrames(); |
790 |
|
791 |
for (int i = 0; i < frames.length; i++) { |
792 |
frames[i].addInternalFrameListener(listener); |
793 |
} |
794 |
|
795 |
pane.addContainerListener(new ContainerAdapter() { |
796 |
public void componentAdded(ContainerEvent e) { |
797 |
if (e.getChild() instanceof JInternalFrame) { |
798 |
((JInternalFrame) e.getChild()).removeInternalFrameListener(listener);
|
799 |
((JInternalFrame) e.getChild()).addInternalFrameListener(listener);
|
800 |
} |
801 |
} |
802 |
}); |
803 |
} |
804 |
|
805 |
public static DocumentListener toDocumentListener( |
806 |
final ActionListener listener) { |
807 |
return new DocumentListener() { |
808 |
public void insertUpdate(DocumentEvent e) { |
809 |
listener.actionPerformed(new ActionEvent(e, 0, e.toString())); |
810 |
} |
811 |
|
812 |
public void removeUpdate(DocumentEvent e) { |
813 |
listener.actionPerformed(new ActionEvent(e, 0, e.toString())); |
814 |
} |
815 |
|
816 |
public void changedUpdate(DocumentEvent e) { |
817 |
listener.actionPerformed(new ActionEvent(e, 0, e.toString())); |
818 |
} |
819 |
}; |
820 |
} |
821 |
|
822 |
public static ListDataListener toListDataListener( |
823 |
final ActionListener listener) { |
824 |
return new ListDataListener() { |
825 |
public void intervalAdded(ListDataEvent e) { |
826 |
listener.actionPerformed(new ActionEvent(e.getSource(), 0, |
827 |
e.toString())); |
828 |
} |
829 |
|
830 |
public void intervalRemoved(ListDataEvent e) { |
831 |
listener.actionPerformed(new ActionEvent(e.getSource(), 0, |
832 |
e.toString())); |
833 |
} |
834 |
|
835 |
public void contentsChanged(ListDataEvent e) { |
836 |
listener.actionPerformed(null);
|
837 |
} |
838 |
}; |
839 |
} |
840 |
|
841 |
public static InternalFrameListener toInternalFrameListener( |
842 |
final ActionListener listener) { |
843 |
return new InternalFrameListener() { |
844 |
private void fireActionPerformed(InternalFrameEvent e) { |
845 |
listener.actionPerformed(new ActionEvent(e.getSource(), |
846 |
e.getID(), e.toString())); |
847 |
} |
848 |
|
849 |
public void internalFrameActivated(InternalFrameEvent e) { |
850 |
fireActionPerformed(e); |
851 |
} |
852 |
|
853 |
public void internalFrameClosed(InternalFrameEvent e) { |
854 |
fireActionPerformed(e); |
855 |
} |
856 |
|
857 |
public void internalFrameClosing(InternalFrameEvent e) { |
858 |
fireActionPerformed(e); |
859 |
} |
860 |
|
861 |
public void internalFrameDeactivated(InternalFrameEvent e) { |
862 |
fireActionPerformed(e); |
863 |
} |
864 |
|
865 |
public void internalFrameDeiconified(InternalFrameEvent e) { |
866 |
fireActionPerformed(e); |
867 |
} |
868 |
|
869 |
public void internalFrameIconified(InternalFrameEvent e) { |
870 |
fireActionPerformed(e); |
871 |
} |
872 |
|
873 |
public void internalFrameOpened(InternalFrameEvent e) { |
874 |
fireActionPerformed(e); |
875 |
} |
876 |
}; |
877 |
} |
878 |
|
879 |
/**
|
880 |
* Returns a Timer that fires once, after the delay. The delay can be restarted
|
881 |
* by restarting the Timer.
|
882 |
*/
|
883 |
public static Timer createRestartableSingleEventTimer(int delay, |
884 |
ActionListener listener) {
|
885 |
Timer timer = new Timer(delay, listener); |
886 |
timer.setCoalesce(true);
|
887 |
timer.setInitialDelay(delay); |
888 |
timer.setRepeats(false);
|
889 |
|
890 |
return timer;
|
891 |
} |
892 |
|
893 |
public static ValidatingTextField createSyncdTextField(JSlider s) { |
894 |
int columns = (int) Math.ceil(Math.log(s.getMaximum()) / Math.log(10)); |
895 |
|
896 |
return createSyncdTextField(s, columns);
|
897 |
} |
898 |
|
899 |
public static ValidatingTextField createSyncdTextField(JSlider s, |
900 |
int columns) {
|
901 |
ValidatingTextField t = new ValidatingTextField(s.getValue() + "", |
902 |
columns, SwingConstants.RIGHT,
|
903 |
ValidatingTextField.INTEGER_VALIDATOR, |
904 |
new ValidatingTextField.CompositeCleaner(new ValidatingTextField.Cleaner[] { |
905 |
new ValidatingTextField.BlankCleaner("" + |
906 |
s.getMinimum()), |
907 |
new ValidatingTextField.MinIntCleaner(s.getMinimum()),
|
908 |
new ValidatingTextField.MaxIntCleaner(s.getMaximum())
|
909 |
})); |
910 |
sync(s, t); |
911 |
syncEnabledStates(s, t); |
912 |
|
913 |
return t;
|
914 |
} |
915 |
|
916 |
/**
|
917 |
* @see #createSyncdTextField(JSlider s, int columns)
|
918 |
*/
|
919 |
public static void sync(final JSlider s, final ValidatingTextField t) { |
920 |
t.setText("" + s.getValue());
|
921 |
|
922 |
final Boolean[] changing = new Boolean[] { Boolean.FALSE }; |
923 |
s.addChangeListener(new ChangeListener() { |
924 |
public void stateChanged(ChangeEvent e) { |
925 |
if (changing[0] == Boolean.TRUE) { |
926 |
return;
|
927 |
} |
928 |
|
929 |
changing[0] = Boolean.TRUE; |
930 |
|
931 |
try {
|
932 |
t.setText("" + s.getValue());
|
933 |
} finally {
|
934 |
changing[0] = Boolean.FALSE; |
935 |
} |
936 |
} |
937 |
}); |
938 |
t.getDocument().addDocumentListener(new DocumentListener() { |
939 |
private void changed() { |
940 |
if (changing[0] == Boolean.TRUE) { |
941 |
return;
|
942 |
} |
943 |
|
944 |
changing[0] = Boolean.TRUE; |
945 |
|
946 |
try {
|
947 |
s.setValue(t.getInteger()); |
948 |
} finally {
|
949 |
changing[0] = Boolean.FALSE; |
950 |
} |
951 |
} |
952 |
|
953 |
public void changedUpdate(DocumentEvent e) { |
954 |
changed(); |
955 |
} |
956 |
|
957 |
public void insertUpdate(DocumentEvent e) { |
958 |
changed(); |
959 |
} |
960 |
|
961 |
public void removeUpdate(DocumentEvent e) { |
962 |
changed(); |
963 |
} |
964 |
}); |
965 |
} |
966 |
|
967 |
public static void syncEnabledStates(final JComponent c1, |
968 |
final JComponent c2) { |
969 |
c2.setEnabled(c1.isEnabled()); |
970 |
c1.addPropertyChangeListener("enabled",
|
971 |
new PropertyChangeListener() { |
972 |
public void propertyChange(PropertyChangeEvent evt) { |
973 |
if (c1.isEnabled() == c2.isEnabled()) {
|
974 |
return;
|
975 |
} |
976 |
|
977 |
c2.setEnabled(c1.isEnabled()); |
978 |
} |
979 |
}); |
980 |
c2.addPropertyChangeListener("enabled",
|
981 |
new PropertyChangeListener() { |
982 |
public void propertyChange(PropertyChangeEvent evt) { |
983 |
if (c1.isEnabled() == c2.isEnabled()) {
|
984 |
return;
|
985 |
} |
986 |
|
987 |
c1.setEnabled(c2.isEnabled()); |
988 |
} |
989 |
}); |
990 |
} |
991 |
|
992 |
public static void sync(final JSlider s1, final JSlider s2) { |
993 |
s2.setValue(s1.getValue()); |
994 |
Assert.isTrue(s1.getMinimum() == s2.getMinimum()); |
995 |
Assert.isTrue(s1.getMaximum() == s2.getMaximum()); |
996 |
|
997 |
final Boolean[] changing = new Boolean[] { Boolean.FALSE }; |
998 |
s1.addChangeListener(new ChangeListener() { |
999 |
public void stateChanged(ChangeEvent e) { |
1000 |
if (changing[0] == Boolean.TRUE) { |
1001 |
return;
|
1002 |
} |
1003 |
|
1004 |
changing[0] = Boolean.TRUE; |
1005 |
|
1006 |
try {
|
1007 |
s2.setValue(s1.getValue()); |
1008 |
} finally {
|
1009 |
changing[0] = Boolean.FALSE; |
1010 |
} |
1011 |
} |
1012 |
}); |
1013 |
s2.addChangeListener(new ChangeListener() { |
1014 |
public void stateChanged(ChangeEvent e) { |
1015 |
if (changing[0] == Boolean.TRUE) { |
1016 |
return;
|
1017 |
} |
1018 |
|
1019 |
changing[0] = Boolean.TRUE; |
1020 |
|
1021 |
try {
|
1022 |
s1.setValue(s2.getValue()); |
1023 |
} finally {
|
1024 |
changing[0] = Boolean.FALSE; |
1025 |
} |
1026 |
} |
1027 |
}); |
1028 |
} |
1029 |
|
1030 |
public static void sync(final JCheckBox c1, final JCheckBox c2) { |
1031 |
c2.setSelected(c1.isSelected()); |
1032 |
|
1033 |
final Boolean[] changing = new Boolean[] { Boolean.FALSE }; |
1034 |
c1.addActionListener(new ActionListener() { |
1035 |
public void actionPerformed(ActionEvent e) { |
1036 |
if (changing[0] == Boolean.TRUE) { |
1037 |
return;
|
1038 |
} |
1039 |
|
1040 |
changing[0] = Boolean.TRUE; |
1041 |
|
1042 |
try {
|
1043 |
c2.setSelected(c1.isSelected()); |
1044 |
} finally {
|
1045 |
changing[0] = Boolean.FALSE; |
1046 |
} |
1047 |
} |
1048 |
}); |
1049 |
c2.addActionListener(new ActionListener() { |
1050 |
public void actionPerformed(ActionEvent e) { |
1051 |
if (changing[0] == Boolean.TRUE) { |
1052 |
return;
|
1053 |
} |
1054 |
|
1055 |
changing[0] = Boolean.TRUE; |
1056 |
|
1057 |
try {
|
1058 |
c1.setSelected(c2.isSelected()); |
1059 |
} finally {
|
1060 |
changing[0] = Boolean.FALSE; |
1061 |
} |
1062 |
} |
1063 |
}); |
1064 |
} |
1065 |
|
1066 |
public static List items(JComboBox comboBox) { |
1067 |
ArrayList items = new ArrayList(); |
1068 |
|
1069 |
for (int i = 0; i < comboBox.getItemCount(); i++) { |
1070 |
items.add(comboBox.getItemAt(i)); |
1071 |
} |
1072 |
|
1073 |
return items;
|
1074 |
} |
1075 |
|
1076 |
/**
|
1077 |
* Calls #doClick so that events are fired.
|
1078 |
*/
|
1079 |
public static void setSelectedWithClick(JCheckBox checkBox, boolean selected) { |
1080 |
checkBox.setSelected(!selected); |
1081 |
checkBox.doClick(); |
1082 |
} |
1083 |
|
1084 |
public static void setLocation(Component componentToMove, |
1085 |
Location location, Component other) {
|
1086 |
Point p = new Point((int) other.getLocationOnScreen().getX() + |
1087 |
(location.fromRight |
1088 |
? (other.getWidth() - componentToMove.getWidth() - location.x) |
1089 |
: location.x), |
1090 |
(int) other.getLocationOnScreen().getY() +
|
1091 |
(location.fromBottom |
1092 |
? (other.getHeight() - componentToMove.getHeight() - |
1093 |
location.y) : location.y)); |
1094 |
SwingUtilities.convertPointFromScreen(p, componentToMove.getParent());
|
1095 |
componentToMove.setLocation(p); |
1096 |
} |
1097 |
|
1098 |
|
1099 |
/** Highlights a given component with a given color.
|
1100 |
* Great for GridBagLayout debugging.
|
1101 |
*
|
1102 |
* @author Jon Aquino
|
1103 |
*/
|
1104 |
public static void highlightForDebugging(JComponent component, Color color) { |
1105 |
component.setBackground(color); |
1106 |
component.setBorder(BorderFactory.createMatteBorder(10, 10, 10, 10, |
1107 |
color)); |
1108 |
} |
1109 |
|
1110 |
public static Component topCard(Container c) { |
1111 |
Assert.isTrue(c.getLayout() instanceof CardLayout); |
1112 |
|
1113 |
Component[] components = c.getComponents(); |
1114 |
|
1115 |
for (int i = 0; i < components.length; i++) { |
1116 |
if (components[i].isVisible()) {
|
1117 |
return components[i];
|
1118 |
} |
1119 |
} |
1120 |
|
1121 |
Assert.shouldNeverReachHere(); |
1122 |
|
1123 |
return null; |
1124 |
} |
1125 |
|
1126 |
/**
|
1127 |
* Work around Java Bug 4437688 "JFileChooser.getSelectedFile() returns
|
1128 |
* nothing when a file is selected" [Jon Aquino]
|
1129 |
*/
|
1130 |
public static File[] selectedFiles(JFileChooser chooser) { |
1131 |
return ((chooser.getSelectedFiles().length == 0) && |
1132 |
(chooser.getSelectedFile() != null))
|
1133 |
? new File[] { chooser.getSelectedFile() } : chooser.getSelectedFiles(); |
1134 |
} |
1135 |
|
1136 |
public static ImageIcon toDisabledIcon(ImageIcon icon) { |
1137 |
return new ImageIcon(GrayFilter.createDisabledImage((icon).getImage())); |
1138 |
} |
1139 |
|
1140 |
public static Component getDescendantOfClass(Class c, Container container) { |
1141 |
for (int i = 0; i < container.getComponentCount(); i++) { |
1142 |
if (c.isInstance(container.getComponent(i))) {
|
1143 |
return container.getComponent(i);
|
1144 |
} |
1145 |
|
1146 |
if (container.getComponent(i) instanceof Container) { |
1147 |
Component descendant = getDescendantOfClass(c,
|
1148 |
(Container) container.getComponent(i));
|
1149 |
|
1150 |
if (descendant != null) { |
1151 |
return descendant;
|
1152 |
} |
1153 |
} |
1154 |
} |
1155 |
|
1156 |
return null; |
1157 |
} |
1158 |
|
1159 |
/**
|
1160 |
* Ensures that the next frame is activated when #dispose is called
|
1161 |
* explicitly, in JDK 1.4. JDK 1.3 didn't have this problem.
|
1162 |
*/
|
1163 |
public static void dispose(final JInternalFrame internalFrame, |
1164 |
JDesktopPane desktopPane) {
|
1165 |
desktopPane.getDesktopManager().closeFrame(internalFrame); |
1166 |
internalFrame.dispose(); |
1167 |
} |
1168 |
|
1169 |
private static class Int { |
1170 |
public volatile int i; |
1171 |
} |
1172 |
|
1173 |
public static class Location { |
1174 |
private int x; |
1175 |
private int y; |
1176 |
private boolean fromRight; |
1177 |
private boolean fromBottom; |
1178 |
|
1179 |
/**
|
1180 |
* Constructor taking an initial location, offset hint.
|
1181 |
*
|
1182 |
* @param fromBottom whether y is the number of pixels between the bottom
|
1183 |
* edges of the toolbox and desktop pane, or between the top edges.
|
1184 |
*/
|
1185 |
public Location(int x, boolean fromRight, int y, boolean fromBottom) { |
1186 |
this.x = x;
|
1187 |
this.y = y;
|
1188 |
this.fromRight = fromRight;
|
1189 |
this.fromBottom = fromBottom;
|
1190 |
} |
1191 |
} |
1192 |
} |