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1
23
24 package org.objectweb.fractal.gui.dialog.view;
25
26 import java.awt.Color  ;
27 import java.awt.Container ;
28 import java.awt.Dimension ;
29 import java.awt.Font ;
30 import java.awt.FontMetrics ;
31 import java.awt.BorderLayout ;
32 import java.awt.FlowLayout ;
33 import java.awt.GridLayout ;
34 import java.awt.GridBagConstraints ;
35 import java.awt.GridBagLayout ;
36 import java.awt.AWTEvent ;
37 import java.awt.event.ActionEvent ;
38 import java.awt.event.ActionListener ;
39 import java.awt.event.WindowEvent ;
40 import java.awt.Insets ;
41 import java.awt.Component ;
42
43 import java.util.Enumeration ;
44 import java.util.Iterator ;
45 import java.util.List ;
46 import java.util.TreeMap ;
47 import java.util.TreeSet ;
48 import java.util.ArrayList ;
49 import java.util.jar.JarFile ;
50 import java.util.zip.ZipEntry ;
51
52 import java.lang.reflect.Method ;
53
54 import java.net.URL ;
55
56 import java.io.File ;
57 import java.io.FileInputStream ;
58 import java.io.FileOutputStream ;
59 import java.io.PrintStream ;
60 import javax.swing.BorderFactory ;
61 import javax.swing.ListCellRenderer ;
62 import javax.swing.DefaultListModel ;
63 import javax.swing.ImageIcon ;
64 import javax.swing.JDialog ;
65 import javax.swing.JLabel ;
66 import javax.swing.JList ;
67 import javax.swing.JMenu ;
68 import javax.swing.JPanel ;
69 import javax.swing.JTabbedPane ;
70 import javax.swing.JTextArea ;
71 import javax.swing.JButton ;
72 import javax.swing.JScrollPane ;
73 import javax.swing.text.Document ;
74 import javax.swing.event.DocumentListener ;
75 import javax.swing.event.DocumentEvent ;
76 import javax.swing.event.ListSelectionListener ;
77 import javax.swing.event.ListSelectionEvent ;
78
79 public class ClassSelector extends JDialog implements
80 ActionListener ,
81 DocumentListener
82 {
83 static String LS = new String (System.getProperty ("line.separator"));
84 static String FS = new String (System.getProperty ("file.separator"));
85 static String UD = new String (System.getProperty ("user.dir"));
86 static String CP = new String (System.getProperty ("java.class.path"));
87 static String PS = new String (System.getProperty ("path.separator"));
88
89 static String EXIT = "Exit";
90 static String UP = "Up";
91 static String SELECT = "Select";
92 static String SEARCH = "Implem.";
93
94 static int SEL_INT = 1;
95 static int SEL_CLA = 2;
96 int WIDTH = 600;
97 int HEIGHT = 600;
98
99 int filter = SEL_INT + SEL_CLA;
100
101 List lp = new ArrayList ();
102 List lpgen = new ArrayList ();
103
104 URL urlc, urli, urlp;
105
106 ImageIcon imgClasse;
107 ImageIcon imgInterface;
108 ImageIcon imgPackage;
109 JMenu menu, menuo;
110 File f;
111 FileInputStream fis;
112 FileOutputStream fos = null;
113 PrintStream of = null;
114 Container cp;
115 Color buttonColor = new Color (204, 255, 204);
117 Color buttonColor1 = new Color (180, 224, 180);
118 Color baseColor = new Color (200, 200, 164);
119 Color classColor = new Color (255, 255, 204);
120 Font buttonFont = new Font ("Arial", Font.PLAIN, 9);
121 Font normalFont = new Font ("Arial", Font.PLAIN, 11);
122 Font menuFont = new Font ("Arial", Font.BOLD, 12);
123 Font listFont = new Font ("MonoSpaced", Font.PLAIN, 11);
124 int nc = 0;
125 int MAX = 3;
126 JTabbedPane jtp;
127 TreeMap mapImport = new TreeMap ();
128
129 String [] path = new String [MAX];
130 CapLabel [] clb = new CapLabel [MAX];
131 DefaultListModel lmAll;
132 CapList cplAll;
133 DefaultListModel lmClass;
134 CapList cplClass;
135 CapTextArea transit;
136 CapButton b_up = new CapButton (UP, buttonColor1);
137 CapButton b_search = new CapButton (SEARCH, buttonColor1);
138 CapButton b_select = new CapButton (SELECT, buttonColor);
139 CapButton b_exit = new CapButton (EXIT, buttonColor);
140 String libIntrf = "(Interface)";
141 String libClass = "(Class)";
142 String libPackg = "(Package)";
143 String [] noms = {
144 "Packages, Classes and Interfaces",
145 "Looking for Implementation ",
146 };
147 String prefix = new String ("");
148 String curInterf = new String ("");
149 static String retour = "";
150 int z = 1;
151
152 public ClassSelector () {
153 this.setTitle("Please, make your selection");
154 this.setModal(true);
155
156 enableEvents (AWTEvent.WINDOW_EVENT_MASK);
158
160 urlc = getClass().getResource("/org/objectweb/fractal/gui/resources/classe.gif");
161 imgClasse = new ImageIcon (urlc);
162 urli = getClass().getResource("/org/objectweb/fractal/gui/resources/interface.gif");
163 imgInterface = new ImageIcon (urli);
164 urlp = getClass().getResource("/org/objectweb/fractal/gui/resources/package.gif");
165 imgPackage = new ImageIcon (urlp);
166
167 cp = getContentPane();
168 cp.setForeground (Color.black);
169
170 for (int i = 0; i < 2; i++) {
171 clb[i] = new CapLabel (noms[i]);
172 }
173 lmAll = new DefaultListModel ();
174 lmClass = new DefaultListModel ();
175 cplAll = new CapList (lmAll, "All");
176 cplClass = new CapList (lmClass, "Class");
177 cplAll.setCellRenderer(new MyRenderer(1024));
178 cplClass.setCellRenderer(new MyRenderer(1024));
179 cplClass.setBackground(classColor);
180
181 transit = new CapTextArea (true);
182 transit.getDocument().addDocumentListener(this);
183 GridBagLayout gbl = new GridBagLayout ();
184 GridBagConstraints gbc = new GridBagConstraints ();
185 cp.setLayout (gbl);
186
187 gbc.insets = new Insets (5, 2, 2, 5);
188
189
191 gbc.gridy = 0;
192 gbc.weightx = 0;
193 gbc.weighty = 0;
194 gbc.fill = GridBagConstraints.BOTH;
195 gbc.anchor = GridBagConstraints.NORTHWEST;
196 gbc.gridx = 0;
197 b_up.addActionListener(this);
198 JPanel jp = new JPanel ();
199 jp.setLayout(new BorderLayout ());
200 jp.add(clb[0], BorderLayout.WEST);
201 jp.add(b_up, BorderLayout.EAST);
202 gbl.setConstraints(jp, gbc);
203 cp.add (jp);
204
205
207 gbc.gridx = 0;
208 gbc.gridy = 1;
209 gbc.weightx = 1;
210 gbc.weighty = 0.8;
211 JPanel jp1 = new JPanel ();
212 jp1.setLayout(new FlowLayout (FlowLayout.LEFT, 0, 0));
213 jp1.add(cplAll);
214 jp1.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
215 JScrollPane jsp = new JScrollPane (jp1);
216 jsp.setPreferredSize(new Dimension (WIDTH, 60));
217 jsp.getVerticalScrollBar().setUnitIncrement(6);
219 jsp.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
220 gbl.setConstraints(jsp, gbc);
221 cp.add (jsp);
222
223
225 gbc.gridx = 0;
226 gbc.gridy = 2;
227 gbc.weightx = 0;
228 gbc.weighty = 0;
229 b_select.addActionListener(this);
230 b_search.addActionListener(this);
231 b_exit.addActionListener(this);
232 b_select.setUsable(false);
233 JPanel jpb = new JPanel (new GridLayout (1, 3));
234 jpb.add(b_exit);
235 jpb.add(b_select);
236 jpb.add(b_search);
237
238 JPanel jpi = new JPanel ();
239 jpi.setLayout(new BorderLayout ());
240 jpi.add(clb[1], BorderLayout.WEST);
241 jpi.add(jpb, BorderLayout.EAST);
242 gbl.setConstraints(jpi, gbc);
243 cp.add (jpi);
244
245
247 gbc.gridx = 0;
248 gbc.gridy = 3;
249 gbc.weightx = 0;
250 gbc.weighty = 1;
251
252 jtp = new JTabbedPane ();
253
254 JPanel jp1c = new JPanel ();
255 jp1c.setLayout(new FlowLayout (FlowLayout.LEFT, 0, 0));
256 jp1c.add(cplClass);
257 jp1c.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
258 JScrollPane jspc = new JScrollPane (jp1c);
259 jspc.setPreferredSize(new Dimension (WIDTH, 60));
260 jspc.getVerticalScrollBar().setUnitIncrement(6);
262 jspc.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
263 jtp.addTab ("Implementation(s)", imgClasse, jspc);
264
265 JScrollPane jsinf = new JScrollPane (transit);
266 jtp.addTab ("interface's method(s)", jsinf);
267 b_up.setUsable(false);
268 b_search.setUsable(false);
269
270 gbl.setConstraints(jtp, gbc);
271 cp.add (jtp);
272
273
275 initList();
276 remakeList ();
277
278 pack ();
280 setSize (WIDTH, HEIGHT);
281 show ();
282 }
283
284 public static String initSelector () {
285 new ClassSelector ();
286 return (retour);
288 }
289
290 private void refreshLooking () {
291 clb[1].setText(noms[1]);
292 b_select.setUsable(false);
293 lmClass.clear();
294 transit.setText("");
295 }
296
297
301 public void insertUpdate(DocumentEvent e) {
302 modifyListCommand (e);
303 }
304
305 public void removeUpdate(DocumentEvent e) {
306 modifyListCommand (e);
307 }
308
309 public void changedUpdate(DocumentEvent e) {
310 modifyListCommand (e);
311 }
312
313 private void modifyListCommand (DocumentEvent e) {
314 try {
315 Document d = e.getDocument();
316 int i = 0;
317 String st = d.getText(0, d.getLength());
318 transit.setText(st);
319 } catch (Exception ex) { }
320 }
321
322
326
327 protected void processWindowEvent (WindowEvent e)
328 {
329 if (e.getID() == WindowEvent.WINDOW_CLOSING) {
330 super.processWindowEvent (e);
331 }
333 }
334
335
339 public void actionPerformed (ActionEvent e) {
340 if (e.getActionCommand().equals(EXIT)) {
341 if (of != null) of.close();
342 retour = "";
343 dispose ();
344 }
345 else if (e.getActionCommand().equals(SELECT)) {
346 if (of != null) of.close();
347 dispose ();
348 }
349 else if (e.getActionCommand().equals(UP)) {
350 int i = prefix.lastIndexOf('.');
351 if (i < 1) {
352 prefix = "";
353 b_up.setUsable(false);
354 }
355 else prefix = prefix.substring(0, i);
356 remakeList ();
357 refreshLooking ();
358 }
359 else if (e.getActionCommand().equals(SEARCH)) {
360 int i = curInterf.lastIndexOf('.');
361 if (i < 1) {
362 clb[1].setText(noms[1]+"of "+curInterf);
363 } else {
364 clb[1].setText(noms[1]+"of [...] "+curInterf.substring(i));
365 }
366 makeClassList ();
367 jtp.setSelectedIndex(0);
368 b_search.setUsable(false);
369 }
370 }
371
372
376 public void initList () {
377 int i = 999999;
378 String cp = new String (CP+PS.charAt(0));
379 lpgen.clear();
380
381 while (i > 0) {
382 i = cp.indexOf(PS.charAt(0)); if (i < 1) break;
383 lp.add(cp.substring(0, i));
384 cp = cp.substring(i+1);
385 }
386
387 for (i = 0; i < lp.size(); i++) {
388 String morcif = (String )lp.get(i);
389
390 if (morcif.endsWith(".jar")) {
392 try {
393 JarFile jf = new JarFile (morcif);
394 for (Enumeration zipe = jf.entries() ; zipe.hasMoreElements() ;) {
395 ZipEntry zip = (ZipEntry )zipe.nextElement();
396 if (zip.getName().endsWith(".class")) {
397 lpgen.add(zip.getName().replace('/', '.'));
398 }
399 }
400 }
401 catch (Exception ex) { ex.printStackTrace(); continue; }
402 }
403
404 else {
406 try {
407 scanDir (morcif, morcif);
408 } catch (Exception ex) { ex.printStackTrace(); continue; }
409 }
410 }
411 }
412
413
415 public void scanDir (String namefile, String base) throws Exception {
416 if (namefile == null) return;
417 File f = new File (namefile);
418
419 if (f.isDirectory()) {
420 File []files = f.listFiles();
421 if (files == null) return;
422 for (int i = 0; i < files.length; i++) {
423 scanDir (namefile+FS+files[i].getName(), base);
424 }
425 } else {
426 if (!(namefile.endsWith(".class"))) return;
427 String classname = namefile.substring(base.length()+1);
428 lpgen.add (classname.replace(FS.charAt(0), '.'));
429 }
430 }
431
432
436 public void remakeList () {
437 TreeMap lcomb = new TreeMap ();
438 ClassLoader cl = this.getClass().getClassLoader();
439 b_search.setUsable(false);
440
441
443 int len = prefix.length();
444
445 for (int i = 0; i < lpgen.size(); i++) {
446 String item = (String )lpgen.get(i);
447 if ((len > 0) && (!item.startsWith(prefix+"."))) continue;
448 if (item.length() <= len) continue;
449 String litem;
450 if (len == 0) litem = item;
451 else litem = item.substring(len+1);
452 char c = litem.charAt(0);
453 int d;
454 if (c > 'Z') d = (int)c-32;
455 else d = c;
456 try {
457 String subName = (char)d+litem.substring(0, litem.indexOf('.'));
458 String nature = (String )lcomb.get(subName);
459 if (nature != null) continue;
460 lcomb.put(subName, item);
461 } catch (Exception ignore) { continue; }
462 }
463 lmAll.clear();
464
465 TreeSet ts = new TreeSet (lcomb.keySet());
466 for (Iterator it = ts.iterator(); it.hasNext();) {
467 String sta = (String )it.next();
468 String st = sta.substring(1);
469 if ((st.charAt(0) < 'A') || (st.charAt(0) > 'Z')) {
470 lmAll.addElement (new JLabel (putLabel(st, libPackg),
471 imgPackage, JLabel.LEFT));
472 } else {
473 if (prefix.length() > 1) st = prefix+"."+st;
474 try {
475 Class cla = cl.loadClass (st);
476 if (cla.isInterface()) {
477 if ((filter & SEL_INT) == 0) continue;
478 lmAll.addElement (new JLabel (putLabel(st, libIntrf),
479 imgInterface, JLabel.LEFT));
480 } else {
481 if ((filter & SEL_CLA) == 0) continue;
482 lmAll.addElement (new JLabel (putLabel(st, libClass),
483 imgClasse, JLabel.LEFT));
484 }
485 }
486 catch (Error er) { continue; }
487 catch (Exception ex) { continue; }
488 }
489 }
490 int z = lmAll.getSize();
491 while (z < 20) {
492 lmAll.addElement(new JLabel ("", JLabel.LEFT));
493 z++;
494 }
495 }
496
497 private String putLabel (String st, String label) {
498 String white =
499 " ";
500 FontMetrics fm = cplAll.fm;
501 int space = fm.charWidth(' ');
502 int d = 0;
503 for (int z = 0; z < st.length(); z++) d = d + fm.charWidth(st.charAt(z));
504 int n = (WIDTH - 140 - d)/space;
505 if (n < 1) n = 1;
506 return (st+white.substring(0, n)+label);
507 }
508
509
513 public void makeClassList () {
514 TreeMap lcomb = new TreeMap ();
515 ClassLoader cl = this.getClass().getClassLoader();
516
517
519 for (int i = 0; i < lpgen.size(); i++) {
520 String item = (String )lpgen.get(i);
521
522 int j = item.indexOf(".class");
523 if (j < 1) continue;
524
525 try {
526 Class cla = cl.loadClass (item.substring(0, j));
527 if (cla.isInterface()) continue;
528
529 Class [] lcl = cla.getInterfaces();
530 for (int z = 0; z < lcl.length; z++) {
531 if (lcl[z].getName().equals(curInterf)) {
532 lcomb.put (item, "zz");
533 break;
534 }
535 }
536 }
537 catch (Error er) { continue; }
538 catch (Exception ex) { continue; }
539 }
540 lmClass.clear();
541
542
544 TreeSet ts = new TreeSet (lcomb.keySet());
545 for (Iterator it = ts.iterator(); it.hasNext();) {
546 String sta = (String )it.next();
547 String st = sta.substring(0);
548 lmClass.addElement (new JLabel (st, JLabel.LEFT));
549 }
550 int z = lmClass.getSize();
551 while (z < 20) {
552 lmClass.addElement(new JLabel ("", JLabel.LEFT));
553 z++;
554 }
555 }
556
557
561 public void display () {
562 ClassLoader cl = this.getClass().getClassLoader();
563 transit.setText("");
564 mapImport.clear();
565
566 try {
567 Class cla = cl.loadClass (curInterf);
568 int in = cla.getName().lastIndexOf('.');
569 if (in < 1) {
570 transit.append(" interface "+cla.getName()+" ");
571 }
572 else {
573 transit.append(" package "+cla.getName().substring(0, in)+";"+LS+LS);
574 transit.append(" interface "+cla.getName().substring(in+1)+" ");
575 }
576
577 Class [] interf = cla.getInterfaces();
578 if (interf.length == 0) transit.append("{"+LS);
579 else transit.append("extends "+LS);
580 for (int i = 0; i < interf.length; i++) {
581 transit.append(" "+reduc(interf[i].getName()));
582 if (i == interf.length-1) transit.append (" {");
583 transit.append (LS);
584 }
585 transit.append (LS);
586
587 Method [] mets = cla.getDeclaredMethods();
588 for (int i = 0; i < mets.length; i++) {
589 transit.append(" "+reduc(mets[i].getReturnType().getName())+" "
590 +reduc(mets[i].getName()));
591
592 Class [] param = mets[i].getParameterTypes();
593 if (param.length == 0) {
594 transit.append (" ();"+LS+LS);
595 continue;
596 }
597 transit.append(" (");
598 char virgule = ',';
599 for (int j = 0; j < param.length; j++) {
600 if (j == param.length-1) virgule = ')';
601 if (j != 0) transit.append(" ");
602 transit.append (reduc(param[j].getName())+" p"+j+virgule+LS);
603 }
604 transit.append(LS);
605 }
606 transit.append(" }"+LS);
607
608 if (mapImport.size() == 0) return;
609
610 String total = transit.getText();
611 transit.setText("");
612 TreeSet ts = new TreeSet (mapImport.keySet());
613 int d = 0;
614 for (Iterator it = ts.iterator(); it.hasNext();) {
615 transit.append (" import "+(String )it.next()+";"+LS);
616 }
617 transit.append(LS);
618 transit.append(total);
619 }
620 catch (Error er) { }
621 catch (Exception ex) { }
622 }
623
624 private String reduc (String st) {
625 int i = st.lastIndexOf('.');
626 if (i < 1) return st;
627 if (st.substring(0, i).equals("java.lang")) return st;
628 mapImport.put(st, "zz");
629 return st.substring(i+1);
630 }
631
632
636 class CapLabel extends JLabel {
637 CapLabel (String nom) {
638 super (" "+nom);
639 this.setFont(new Font ("Arial", Font.PLAIN, 12));
640 this.setForeground(Color.black);
641 }
642 }
643
644
648 class CapTextArea extends JTextArea {
649 CapTextArea (boolean editable) {
650 super ("", 80, 80);
651 this.setBackground (Color.white);
652 this.setFont(listFont);
653 this.setBorder(BorderFactory.createLoweredBevelBorder());
654 this.setEditable(editable);
655 }
656 }
657
658
662 class CapButton extends JButton {
663 CapButton (String lib, Color color) {
664 super (lib);
665 this.setBackground (color);
667 this.setForeground (Color.black);
668 this.setFont(buttonFont);
669 FontMetrics fm = this.getFontMetrics(buttonFont);
670 int d = 0;
671 for (int z = 0; z< lib.length(); z++) d = d + fm.charWidth(lib.charAt(z));
672 this.setPreferredSize (new Dimension (36+d, 10));
673 this.setEnabled(true);
674 }
675
676 public void setUsable (boolean b) {
677 this.setEnabled (b);
678 this.setOpaque (b);
679 }
680 }
681
682
686 class CapList extends JList implements ListSelectionListener {
687 DefaultListModel listmodel;
688 String ident = null;
689 FontMetrics fm;
690
691 CapList (DefaultListModel listModel, String id) {
692 super (listModel);
693 this.setBackground (Color.white);
694 this.setFont(listFont);
695 fm = this.getFontMetrics(this.getFont());
696 setBorder(BorderFactory.createLoweredBevelBorder());
697 listmodel = listModel;
698 this.addListSelectionListener(this);
699 ident = new String (id);
700 }
701
702
704 public void valueChanged (ListSelectionEvent e) {
705 if (e.getValueIsAdjusting() == false) {
706
707 if (this.getSelectedIndex() > -1) {
708 JLabel jlab = (JLabel )listmodel.getElementAt(this.getSelectedIndex());
709 String texte = jlab.getText();
710
711 String util = null;
712 int i = texte.indexOf(' ');
713 if (i > 0) util = texte.substring(0, i);
714 else util = texte;
715
716 if (texte.endsWith(libPackg)) {
718 if (prefix.length() < 1) {
719 prefix = prefix.concat(util);
720 } else {
721 prefix = prefix.concat("."+util);
722 }
723 remakeList ();
724 b_up.setUsable(true);
725 refreshLooking ();
726 retour = "";
727 }
728
729 else if (texte.endsWith(libIntrf)) {
731 b_search.setUsable(true);
732 curInterf = util;
733 retour = "";
734 jtp.setSelectedIndex(1);
735 refreshLooking ();
736 display ();
737 }
738
739 else {
741 if (ident.equals("Class")) retour = new String (texte);
742 else retour = new String (util);
743 b_select.setUsable(true);
744 }
745 }
746 }
747 }
748 }
749
750
754 class MyRenderer extends JLabel implements ListCellRenderer {
755 int w;
756
757 public MyRenderer (int width) {
758 setOpaque(true);
759 setHorizontalAlignment(LEFT);
760 setVerticalAlignment(CENTER);
761 w = width;
762 }
763
764 public Component getListCellRendererComponent (
765 JList list,
766 Object value,
767 int index,
768 boolean isSelected, boolean cellHasFocus) {
769
770 if (isSelected) {
771 this.setBackground(list.getSelectionBackground());
772 this.setForeground(list.getSelectionForeground());
773 } else {
774 this.setBackground(list.getBackground());
775 this.setForeground(list.getForeground());
776 }
777
778 if (value instanceof JLabel ) {
779 JLabel jlab = (JLabel )value;
780 ImageIcon icon = (ImageIcon )jlab.getIcon();
781 setText((String )jlab.getText());
782 setIcon (icon);
783 this.setFont (listFont);
784 setPreferredSize(new Dimension (w, 17));
785 }
786 return this;
787 }
788 }
789 }
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