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1
18 package org.apache.batik.util.gui;
19
20 import java.awt.Component  ;
21 import java.awt.FlowLayout ;
22 import java.awt.GridBagConstraints ;
23 import java.awt.GridBagLayout ;
24 import java.awt.GridLayout ;
25 import java.awt.Insets ;
26 import java.awt.event.ActionEvent ;
27 import java.net.URL ;
28 import java.util.HashMap ;
29 import java.util.Locale ;
30 import java.util.Map ;
31 import java.util.MissingResourceException ;
32 import java.util.ResourceBundle ;
33 import java.util.StringTokenizer ;
34
35 import javax.swing.AbstractAction ;
36 import javax.swing.Action ;
37 import javax.swing.BorderFactory ;
38 import javax.swing.DefaultListModel ;
39 import javax.swing.Icon ;
40 import javax.swing.ImageIcon ;
41 import javax.swing.JButton ;
42 import javax.swing.JDialog ;
43 import javax.swing.JFrame ;
44 import javax.swing.JLabel ;
45 import javax.swing.JList ;
46 import javax.swing.JPanel ;
47 import javax.swing.JScrollPane ;
48 import javax.swing.ListCellRenderer ;
49 import javax.swing.ListSelectionModel ;
50 import javax.swing.event.ListSelectionEvent ;
51 import javax.swing.event.ListSelectionListener ;
52
53 import org.apache.batik.util.gui.resource.ActionMap;
54 import org.apache.batik.util.gui.resource.ButtonFactory;
55 import org.apache.batik.util.gui.resource.MissingListenerException;
56 import org.apache.batik.util.gui.resource.ResourceManager;
57
58
65 public class LanguageDialog extends JDialog implements ActionMap {
66
67
70 public final static int OK_OPTION = 0;
71
72
75 public final static int CANCEL_OPTION = 1;
76
77
80 protected final static String RESOURCES =
81 "org.apache.batik.util.gui.resources.LanguageDialogMessages";
82
83
86 protected static ResourceBundle bundle;
87
88
91 protected static ResourceManager resources;
92
93 static {
94 bundle = ResourceBundle.getBundle(RESOURCES, Locale.getDefault());
95 resources = new ResourceManager(bundle);
96 }
97
98
101 protected Map listeners = new HashMap ();
102
103
106 protected Panel panel = new Panel ();
107
108
111 protected int returnCode;
112
113
116 public LanguageDialog(JFrame f) {
117 super(f);
118 setModal(true);
119 setTitle(resources.getString("Dialog.title"));
120
121 listeners.put("OKButtonAction", new OKButtonAction());
122 listeners.put("CancelButtonAction", new CancelButtonAction());
123
124 getContentPane().add(panel);
125 getContentPane().add("South", createButtonsPanel());
126
127 pack();
128 }
129
130
134 public int showDialog() {
135 show();
136 return returnCode;
137 }
138
139
142 public void setLanguages(String s) {
143 panel.setLanguages(s);
144 }
145
146
149 public String getLanguages() {
150 return panel.getLanguages();
151 }
152
153
155
161 public Action getAction(String key) throws MissingListenerException {
162 return (Action )listeners.get(key);
163 }
164
165
168 protected JPanel createButtonsPanel() {
169 JPanel p = new JPanel (new FlowLayout (FlowLayout.RIGHT));
170 ButtonFactory bf = new ButtonFactory(bundle, this);
171 p.add(bf.createJButton("OKButton"));
172 p.add(bf.createJButton("CancelButton"));
173
174 return p;
175 }
176
177
180 public static class Panel extends JPanel implements ActionMap {
181
184 protected JList userList;
185
186
189 protected JList languageList;
190
191
194 protected DefaultListModel userListModel = new DefaultListModel ();
195
196
199 protected DefaultListModel languageListModel = new DefaultListModel ();
200
201
204 protected JButton addLanguageButton;
205
206
209 protected JButton removeLanguageButton;
210
211
214 protected JButton upLanguageButton;
215
216
219 protected JButton downLanguageButton;
220
221
224 protected JButton clearLanguageButton;
225
226
229 protected Map listeners = new HashMap ();
230
231
235 private static Map iconMap = null;
236
237
240 public Panel() {
241 super(new GridBagLayout ());
242
243 initCountryIcons();
244
245 setBorder(BorderFactory.createTitledBorder
246 (BorderFactory.createEtchedBorder(),
247 resources.getString("Panel.title")));
248
249 listeners.put("AddLanguageButtonAction",
250 new AddLanguageButtonAction());
251 listeners.put("RemoveLanguageButtonAction",
252 new RemoveLanguageButtonAction());
253 listeners.put("UpLanguageButtonAction",
254 new UpLanguageButtonAction());
255 listeners.put("DownLanguageButtonAction",
256 new DownLanguageButtonAction());
257 listeners.put("ClearLanguageButtonAction",
258 new ClearLanguageButtonAction());
259
260 userList = new JList (userListModel);
262 userList.setCellRenderer(new IconAndTextCellRenderer());
263
264 languageList = new JList (languageListModel);
265 languageList.setCellRenderer(new IconAndTextCellRenderer());
266
267 StringTokenizer st;
268 st = new StringTokenizer (resources.getString("Country.list"), " ");
269 while (st.hasMoreTokens()) {
270 languageListModel.addElement(st.nextToken());
271 }
272
273 ExtendedGridBagConstraints constraints =
275 new ExtendedGridBagConstraints();
276 constraints.insets = new Insets (5, 5, 5, 5);
277
278 constraints.weightx = 1.0;
279 constraints.weighty = 1.0;
280 constraints.fill = GridBagConstraints.BOTH;
281
282 constraints.setGridBounds(0, 0, 1, 1);
284 JScrollPane sp = new JScrollPane ();
285 sp.setBorder(BorderFactory.createCompoundBorder
286 (BorderFactory.createTitledBorder
287 (BorderFactory.createEmptyBorder(),
288 resources.getString("Languages.title")),
289 BorderFactory.createLoweredBevelBorder()));
290 sp.getViewport().add(languageList);
291 this.add(sp, constraints);
292
293 languageList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
294 languageList.addListSelectionListener
295 (new LanguageListSelectionListener());
296
297 constraints.setGridBounds(2, 0, 1, 1);
299
300 JScrollPane sp2 = new JScrollPane ();
301 sp2.setBorder(BorderFactory.createCompoundBorder
302 (BorderFactory.createTitledBorder
303 (BorderFactory.createEmptyBorder(),
304 resources.getString("User.title")),
305 BorderFactory.createLoweredBevelBorder()));
306 sp2.getViewport().add(userList);
307 this.add(sp2, constraints);
308
309 userList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
310 userList.addListSelectionListener(new UserListSelectionListener());
311
312 constraints.setGridBounds(0, 1, 3, 1);
314 constraints.weightx = 0;
315 constraints.weighty = 0;
316 this.add(new JLabel (resources.getString("InfoLabel.text")),
317 constraints);
318
319 ButtonFactory bf = new ButtonFactory(bundle, this);
321 JPanel p = new JPanel (new GridLayout (5, 1, 0, 3));
322 p.add(addLanguageButton = bf.createJButton("AddLanguageButton"));
323 addLanguageButton.setEnabled(false);
324 p.add(removeLanguageButton =
325 bf.createJButton("RemoveLanguageButton"));
326 removeLanguageButton.setEnabled(false);
327 p.add(upLanguageButton = bf.createJButton("UpLanguageButton"));
328 upLanguageButton.setEnabled(false);
329 p.add(downLanguageButton = bf.createJButton("DownLanguageButton"));
330 downLanguageButton.setEnabled(false);
331 p.add(clearLanguageButton =
332 bf.createJButton("ClearLanguageButton"));
333 clearLanguageButton.setEnabled(false);
334
335 JPanel t = new JPanel (new GridBagLayout ());
336 constraints.setGridBounds(1, 0, 1, 1);
337 this.add(t, constraints);
338
339 constraints.fill = GridBagConstraints.HORIZONTAL;
340 constraints.setGridBounds(0, 0, 1, 1);
341 constraints.insets = new Insets (0, 0, 0, 0);
342 t.add(p, constraints);
343
344 sp2.setPreferredSize(sp.getPreferredSize());
345 }
346
347
355 public synchronized static void initCountryIcons()
356 {
357 if (iconMap == null) {
359 iconMap = new HashMap ();
360 StringTokenizer st;
361 st = new StringTokenizer (resources.getString("Country.list"),
362 " ");
363 while (st.hasMoreTokens()) {
364 computeCountryIcon(LanguageDialog.Panel.class,
365 st.nextToken());
366 }
367 }
368 }
369
370
373 public String getLanguages() {
374 StringBuffer result = new StringBuffer ();
375 if (userListModel.getSize() > 0) {
376 result.append(userListModel.getElementAt(0));
377
378 for (int i = 1; i < userListModel.getSize(); i++) {
379 result.append("," + userListModel.getElementAt(i));
380 }
381 }
382 return result.toString();
383 }
384
385
388 public void setLanguages(String str) {
389 int len = userListModel.getSize();
390 for (int i = 0; i < len; i++) {
391 Object o = userListModel.getElementAt(0);
392 userListModel.removeElementAt(0);
393 int size = languageListModel.getSize();
394 int n = 0;
395 while (n < size) {
396 String s = (String )languageListModel.getElementAt(n);
397 if (s.compareTo(o) > 0) {
398 break;
399 }
400 n++;
401 }
402 languageListModel.insertElementAt(o, n);
403 }
404
405 StringTokenizer st;
406 st = new StringTokenizer (str, ",");
407 while (st.hasMoreTokens()) {
408 String s = st.nextToken();
409 userListModel.addElement(s);
410 languageListModel.removeElement(s);
411 }
412
413 updateButtons();
414 }
415
416
419 protected void updateButtons() {
420 int size = userListModel.size();
421 int i = userList.getSelectedIndex();
422
423 boolean empty = size == 0;
424 boolean selected = i != -1;
425 boolean zeroSelected = i == 0;
426 boolean lastSelected = i == size - 1;
427
428 removeLanguageButton.setEnabled(!empty && selected);
429 upLanguageButton.setEnabled(!empty && selected && !zeroSelected);
430 downLanguageButton.setEnabled(!empty && selected && !lastSelected);
431 clearLanguageButton.setEnabled(!empty);
432
433 size = languageListModel.size();
434 i = languageList.getSelectedIndex();
435
436 empty = size == 0;
437 selected = i != -1;
438
439 addLanguageButton.setEnabled(!empty && selected);
440 }
441
442
445 protected String getCountryText(String code) {
446 return resources.getString(code + ".text");
447 }
448
449
452 protected Icon getCountryIcon(String code) {
453 return computeCountryIcon(getClass(), code);
454 }
455
456 private static Icon computeCountryIcon(Class ref,
457 String code) {
458 ImageIcon icon = null;
459 try {
460 if ((icon = (ImageIcon )iconMap.get(code)) != null)
461 return icon;
462 String s = resources.getString(code + ".icon");
463 URL url = ref.getResource(s);
464 if (url != null) {
465 iconMap.put(code, icon = new ImageIcon (url));
466 return icon;
467 }
468 } catch (MissingResourceException e) {
469 }
470 return new ImageIcon (ref.getResource("resources/blank.gif"));
471 }
472
473
475
481 public Action getAction(String key) throws MissingListenerException {
482 return (Action )listeners.get(key);
483 }
484
485
488 protected class AddLanguageButtonAction extends AbstractAction {
489 public void actionPerformed(ActionEvent e) {
490 int i = languageList.getSelectedIndex();
491 Object o = languageListModel.getElementAt(i);
492 languageListModel.removeElementAt(i);
493 userListModel.addElement(o);
494 userList.setSelectedValue(o, true);
495 }
496 }
497
498
501 protected class RemoveLanguageButtonAction extends AbstractAction {
502 public void actionPerformed(ActionEvent e) {
503 int i = userList.getSelectedIndex();
504 Object o = userListModel.getElementAt(i);
505 userListModel.removeElementAt(i);
506
507 int size = languageListModel.getSize();
508 int n = 0;
509 while (n < size) {
510 String s = (String )languageListModel.getElementAt(n);
511 if (s.compareTo(o) > 0) {
512 break;
513 }
514 n++;
515 }
516 languageListModel.insertElementAt(o, n);
517 languageList.setSelectedValue(o, true);
518 updateButtons();
519 }
520 }
521
522
525 protected class UpLanguageButtonAction extends AbstractAction {
526 public void actionPerformed(ActionEvent e) {
527 int i = userList.getSelectedIndex();
528 Object o = userListModel.getElementAt(i);
529 userListModel.removeElementAt(i);
530 userListModel.insertElementAt(o, i - 1);
531 userList.setSelectedIndex(i - 1);
532 }
533 }
534
535
538 protected class DownLanguageButtonAction extends AbstractAction {
539 public void actionPerformed(ActionEvent e) {
540 int i = userList.getSelectedIndex();
541 Object o = userListModel.getElementAt(i);
542 userListModel.removeElementAt(i);
543 userListModel.insertElementAt(o, i + 1);
544 userList.setSelectedIndex(i + 1);
545 }
546 }
547
548
551 protected class ClearLanguageButtonAction extends AbstractAction {
552 public void actionPerformed(ActionEvent e) {
553 int len = userListModel.getSize();
554 for (int i = 0; i < len; i++) {
555 Object o = userListModel.getElementAt(0);
556 userListModel.removeElementAt(0);
557 int size = languageListModel.getSize();
558 int n = 0;
559 while (n < size) {
560 String s = (String )languageListModel.getElementAt(n);
561 if (s.compareTo(o) > 0) {
562 break;
563 }
564 n++;
565 }
566 languageListModel.insertElementAt(o, n);
567 }
568 updateButtons();
569 }
570 }
571
572
575 protected class LanguageListSelectionListener
576 implements ListSelectionListener {
577 public void valueChanged(ListSelectionEvent e) {
578 int i = languageList.getSelectedIndex();
579 userList.getSelectionModel().clearSelection();
580 languageList.setSelectedIndex(i);
581 updateButtons();
582 }
583 }
584
585
588 protected class UserListSelectionListener
589 implements ListSelectionListener {
590 public void valueChanged(ListSelectionEvent e) {
591 int i = userList.getSelectedIndex();
592 languageList.getSelectionModel().clearSelection();
593 userList.setSelectedIndex(i);
594 updateButtons();
595 }
596 }
597
598
601 protected class IconAndTextCellRenderer
602 extends JLabel
603 implements ListCellRenderer {
604 public IconAndTextCellRenderer() {
605 this.setOpaque(true);
606 this.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
607 }
608 public Component getListCellRendererComponent(JList list,
609 Object value,
610 int index,
611 boolean isSelected,
612 boolean cellHasFocus){
613 String s = (String )value;
614 this.setText(getCountryText(s));
615 this.setIcon(getCountryIcon(s));
616 this.setEnabled(list.isEnabled());
617 this.setFont(list.getFont());
618 if (isSelected) {
619 this.setBackground(list.getSelectionBackground());
620 this.setForeground(list.getSelectionForeground());
621 } else {
622 this.setBackground(list.getBackground());
623 this.setForeground(list.getForeground());
624 }
625 return this;
626 }
627 }
628 }
629
630
633 protected class OKButtonAction extends AbstractAction {
634 public void actionPerformed(ActionEvent e) {
635 returnCode = OK_OPTION;
636 dispose();
637 }
638 }
639
640
643 protected class CancelButtonAction extends AbstractAction {
644 public void actionPerformed(ActionEvent e) {
645 returnCode = CANCEL_OPTION;
646 dispose();
647 }
648 }
649 }
650 |
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