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28
29
35 package net.sf.jasperreports.view;
36
37 import java.awt.Component  ;
38 import java.awt.Container ;
39 import java.awt.Cursor ;
40 import java.awt.Dimension ;
41 import java.awt.Graphics ;
42 import java.awt.Graphics2D ;
43 import java.awt.Image ;
44 import java.awt.Point ;
45 import java.awt.Rectangle ;
46 import java.awt.Toolkit ;
47 import java.awt.event.MouseEvent ;
48 import java.awt.event.MouseListener ;
49 import java.awt.event.MouseMotionListener ;
50 import java.io.File ;
51 import java.io.InputStream ;
52 import java.lang.reflect.Method ;
53 import java.text.DecimalFormat ;
54 import java.text.MessageFormat ;
55 import java.text.ParseException ;
56 import java.util.ArrayList ;
57 import java.util.Arrays ;
58 import java.util.Collection ;
59 import java.util.HashMap ;
60 import java.util.Iterator ;
61 import java.util.List ;
62 import java.util.Locale ;
63 import java.util.Map ;
64 import java.util.ResourceBundle ;
65
66 import javax.swing.DefaultComboBoxModel ;
67 import javax.swing.ImageIcon ;
68 import javax.swing.JFileChooser ;
69 import javax.swing.JLabel ;
70 import javax.swing.JOptionPane ;
71 import javax.swing.JPanel ;
72 import javax.swing.JViewport ;
73 import javax.swing.filechooser.FileFilter ;
74
75 import net.sf.jasperreports.engine.JRException;
76 import net.sf.jasperreports.engine.JRExporterParameter;
77 import net.sf.jasperreports.engine.JRHyperlink;
78 import net.sf.jasperreports.engine.JRImageMapRenderer;
79 import net.sf.jasperreports.engine.JRPrintAnchorIndex;
80 import net.sf.jasperreports.engine.JRPrintElement;
81 import net.sf.jasperreports.engine.JRPrintHyperlink;
82 import net.sf.jasperreports.engine.JRPrintImage;
83 import net.sf.jasperreports.engine.JRPrintImageAreaHyperlink;
84 import net.sf.jasperreports.engine.JRPrintPage;
85 import net.sf.jasperreports.engine.JRRenderable;
86 import net.sf.jasperreports.engine.JRRuntimeException;
87 import net.sf.jasperreports.engine.JasperPrint;
88 import net.sf.jasperreports.engine.JasperPrintManager;
89 import net.sf.jasperreports.engine.export.JRGraphics2DExporter;
90 import net.sf.jasperreports.engine.export.JRGraphics2DExporterParameter;
91 import net.sf.jasperreports.engine.print.JRPrinterAWT;
92 import net.sf.jasperreports.engine.util.JRClassLoader;
93 import net.sf.jasperreports.engine.util.JRLoader;
94 import net.sf.jasperreports.engine.util.JRProperties;
95 import net.sf.jasperreports.engine.xml.JRPrintXmlLoader;
96 import net.sf.jasperreports.view.save.JRPrintSaveContributor;
97
98
99
103 public class JRViewer extends javax.swing.JPanel implements JRHyperlinkListener
104 {
105
106
117 public static final String VIEWER_RENDER_BUFFER_MAX_SIZE = JRProperties.PROPERTY_PREFIX + "viewer.render.buffer.max.size";
118
119
122 private static final int TYPE_FILE_NAME = 1;
123 private static final int TYPE_INPUT_STREAM = 2;
124 private static final int TYPE_JASPER_PRINT = 3;
125
126
129 public static final int REPORT_RESOLUTION = 72;
130
131 protected float MIN_ZOOM = 0.5f;
132 protected float MAX_ZOOM = 10f;
133 protected int zooms[] = {50, 75, 100, 125, 150, 175, 200, 250, 400, 800};
134 protected int defaultZoomIndex = 2;
135
136 private int type = TYPE_FILE_NAME;
137 private boolean isXML = false;
138 private String reportFileName = null;
139 JasperPrint jasperPrint = null;
140 private int pageIndex = 0;
141 private float zoom = 0f;
142
143 private JRGraphics2DExporter exporter = null;
144
145
148 private int screenResolution = REPORT_RESOLUTION;
149
150
153 protected float realZoom = 0f;
154
155 private DecimalFormat zoomDecimalFormat = new DecimalFormat ("#.##");
156 private ResourceBundle resourceBundle = null;
157
158 private int downX = 0;
159 private int downY = 0;
160
161 private java.util.List hyperlinkListeners = new ArrayList ();
162 private Map linksMap = new HashMap ();
163 private MouseListener mouseListener =
164 new java.awt.event.MouseAdapter ()
165 {
166 public void mouseClicked(java.awt.event.MouseEvent evt)
167 {
168 hyperlinkClicked(evt);
169 }
170 };
171
172 private java.util.List saveContributors = new ArrayList ();
173
174
175
176 public JRViewer(String fileName, boolean isXML) throws JRException
177 {
178 this(fileName, isXML, null);
179 }
180
181
182
183 public JRViewer(InputStream is, boolean isXML) throws JRException
184 {
185 this(is, isXML, null);
186 }
187
188
189
190 public JRViewer(JasperPrint jrPrint)
191 {
192 this(jrPrint, null);
193 }
194
195
196
197 public JRViewer(String fileName, boolean isXML, Locale locale) throws JRException
198 {
199 this(fileName, isXML, locale, null);
200 }
201
202
203
204 public JRViewer(InputStream is, boolean isXML, Locale locale) throws JRException
205 {
206 this(is, isXML, locale, null);
207 }
208
209
210
211 public JRViewer(JasperPrint jrPrint, Locale locale)
212 {
213 this(jrPrint, locale, null);
214 }
215
216
217
218 public JRViewer(String fileName, boolean isXML, Locale locale, ResourceBundle resBundle) throws JRException
219 {
220 initResources(locale, resBundle);
221
222 setScreenDetails();
223
224 setZooms();
225
226 initComponents();
227
228 loadReport(fileName, isXML);
229
230 cmbZoom.setSelectedIndex(defaultZoomIndex);
231
232 initSaveContributors();
233
234 addHyperlinkListener(this);
235 }
236
237
238
239 public JRViewer(InputStream is, boolean isXML, Locale locale, ResourceBundle resBundle) throws JRException
240 {
241 initResources(locale, resBundle);
242
243 setScreenDetails();
244
245 setZooms();
246
247 initComponents();
248
249 loadReport(is, isXML);
250
251 cmbZoom.setSelectedIndex(defaultZoomIndex);
252
253 initSaveContributors();
254
255 addHyperlinkListener(this);
256 }
257
258
259
260 public JRViewer(JasperPrint jrPrint, Locale locale, ResourceBundle resBundle)
261 {
262 initResources(locale, resBundle);
263
264 setScreenDetails();
265
266 setZooms();
267
268 initComponents();
269
270 loadReport(jrPrint);
271
272 cmbZoom.setSelectedIndex(defaultZoomIndex);
273
274 initSaveContributors();
275
276 addHyperlinkListener(this);
277 }
278
279
280 private void setScreenDetails()
281 {
282 screenResolution = Toolkit.getDefaultToolkit().getScreenResolution();
283 }
284
285
286
289 public void clear()
290 {
291 emptyContainer(this);
292 jasperPrint = null;
293 }
294
295
296
299 protected void setZooms()
300 {
301 }
302
303
304
307 public void addSaveContributor(JRSaveContributor contributor)
308 {
309 saveContributors.add(contributor);
310 }
311
312
313
316 public void removeSaveContributor(JRSaveContributor contributor)
317 {
318 saveContributors.remove(contributor);
319 }
320
321
322
325 public JRSaveContributor[] getSaveContributors()
326 {
327 return (JRSaveContributor[])saveContributors.toArray(new JRSaveContributor[saveContributors.size()]);
328 }
329
330
331
334 public void addHyperlinkListener(JRHyperlinkListener listener)
335 {
336 hyperlinkListeners.add(listener);
337 }
338
339
340
343 public void removeHyperlinkListener(JRHyperlinkListener listener)
344 {
345 hyperlinkListeners.remove(listener);
346 }
347
348
349
352 public JRHyperlinkListener[] getHyperlinkListeners()
353 {
354 return (JRHyperlinkListener[])hyperlinkListeners.toArray(new JRHyperlinkListener[hyperlinkListeners.size()]);
355 }
356
357
358
361 protected void initResources(Locale locale, ResourceBundle resBundle)
362 {
363 if (locale != null)
364 setLocale(locale);
365 else
366 setLocale(Locale.getDefault());
367
368 if (resBundle == null)
369 {
370 this.resourceBundle = ResourceBundle.getBundle("net/sf/jasperreports/view/viewer", getLocale());
371 }
372 else
373 {
374 this.resourceBundle = resBundle;
375 }
376 }
377
378
379
382 protected String getBundleString(String key)
383 {
384 return resourceBundle.getString(key);
385 }
386
387
388
391 protected void initSaveContributors()
392 {
393 final String [] DEFAULT_CONTRIBUTORS =
394 {
395 "net.sf.jasperreports.view.save.JRPrintSaveContributor",
396 "net.sf.jasperreports.view.save.JRPdfSaveContributor",
397 "net.sf.jasperreports.view.save.JRRtfSaveContributor",
398 "net.sf.jasperreports.view.save.JRHtmlSaveContributor",
399 "net.sf.jasperreports.view.save.JRSingleSheetXlsSaveContributor",
400 "net.sf.jasperreports.view.save.JRMultipleSheetsXlsSaveContributor",
401 "net.sf.jasperreports.view.save.JRCsvSaveContributor",
402 "net.sf.jasperreports.view.save.JRXmlSaveContributor",
403 "net.sf.jasperreports.view.save.JREmbeddedImagesXmlSaveContributor"
404 };
405
406 for(int i = 0; i < DEFAULT_CONTRIBUTORS.length; i++)
407 {
408 try
409 {
410 Class saveContribClass = JRClassLoader.loadClassForName(DEFAULT_CONTRIBUTORS[i]);
411 Method method = saveContribClass.getMethod("getInstance", (Class [])null);
412 JRSaveContributor saveContrib = (JRSaveContributor)method.invoke(null, (Object [])null);
413 saveContributors.add(saveContrib);
414 }
415 catch (Exception e)
416 {
417 }
418 }
419 }
420
421
422
425 public void gotoHyperlink(JRPrintHyperlink hyperlink)
426 {
427 switch(hyperlink.getHyperlinkType())
428 {
429 case JRHyperlink.HYPERLINK_TYPE_REFERENCE :
430 {
431 if (isOnlyHyperlinkListener())
432 {
433 System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
434 System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
435 }
436 break;
437 }
438 case JRHyperlink.HYPERLINK_TYPE_LOCAL_ANCHOR :
439 {
440 if (hyperlink.getHyperlinkAnchor() != null)
441 {
442 Map anchorIndexes = jasperPrint.getAnchorIndexes();
443 JRPrintAnchorIndex anchorIndex = (JRPrintAnchorIndex)anchorIndexes.get(hyperlink.getHyperlinkAnchor());
444 if (anchorIndex.getPageIndex() != pageIndex)
445 {
446 setPageIndex(anchorIndex.getPageIndex());
447 refreshPage();
448 }
449 Container container = pnlInScroll.getParent();
450 if (container instanceof JViewport )
451 {
452 JViewport viewport = (JViewport ) container;
453
454 int newX = (int)(anchorIndex.getElementAbsoluteX() * realZoom);
455 int newY = (int)(anchorIndex.getElementAbsoluteY() * realZoom);
456
457 int maxX = pnlInScroll.getWidth() - viewport.getWidth();
458 int maxY = pnlInScroll.getHeight() - viewport.getHeight();
459
460 if (newX < 0)
461 {
462 newX = 0;
463 }
464 if (newX > maxX)
465 {
466 newX = maxX;
467 }
468 if (newY < 0)
469 {
470 newY = 0;
471 }
472 if (newY > maxY)
473 {
474 newY = maxY;
475 }
476
477 viewport.setViewPosition(new Point (newX, newY));
478 }
479 }
480
481 break;
482 }
483 case JRHyperlink.HYPERLINK_TYPE_LOCAL_PAGE :
484 {
485 int page = pageIndex + 1;
486 if (hyperlink.getHyperlinkPage() != null)
487 {
488 page = hyperlink.getHyperlinkPage().intValue();
489 }
490
491 if (page >= 1 && page <= jasperPrint.getPages().size() && page != pageIndex + 1)
492 {
493 setPageIndex(page - 1);
494 refreshPage();
495 Container container = pnlInScroll.getParent();
496 if (container instanceof JViewport )
497 {
498 JViewport viewport = (JViewport ) container;
499 viewport.setViewPosition(new Point (0, 0));
500 }
501 }
502
503 break;
504 }
505 case JRHyperlink.HYPERLINK_TYPE_REMOTE_ANCHOR :
506 {
507 if (isOnlyHyperlinkListener())
508 {
509 System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
510 System.out.println("Hyperlink anchor : " + hyperlink.getHyperlinkAnchor());
511 System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
512 }
513 break;
514 }
515 case JRHyperlink.HYPERLINK_TYPE_REMOTE_PAGE :
516 {
517 if (isOnlyHyperlinkListener())
518 {
519 System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
520 System.out.println("Hyperlink page : " + hyperlink.getHyperlinkPage());
521 System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
522 }
523 break;
524 }
525 case JRHyperlink.HYPERLINK_TYPE_CUSTOM:
526 {
527 if (isOnlyHyperlinkListener())
528 {
529 System.out.println("Hyperlink of type " + hyperlink.getLinkType());
530 System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
531 }
532 break;
533 }
534 case JRHyperlink.HYPERLINK_TYPE_NONE :
535 default :
536 {
537 break;
538 }
539 }
540 }
541
542
543 protected boolean isOnlyHyperlinkListener()
544 {
545 int listenerCount;
546 if (hyperlinkListeners == null)
547 {
548 listenerCount = 0;
549 }
550 else
551 {
552 listenerCount = hyperlinkListeners.size();
553 if (hyperlinkListeners.contains(this))
554 {
555 --listenerCount;
556 }
557 }
558 return listenerCount == 0;
559 }
560
561
562
567 private void initComponents() {
569 java.awt.GridBagConstraints gridBagConstraints;
570
571 tlbToolBar = new javax.swing.JPanel ();
572 btnSave = new javax.swing.JButton ();
573 btnPrint = new javax.swing.JButton ();
574 btnReload = new javax.swing.JButton ();
575 pnlSep01 = new javax.swing.JPanel ();
576 btnFirst = new javax.swing.JButton ();
577 btnPrevious = new javax.swing.JButton ();
578 btnNext = new javax.swing.JButton ();
579 btnLast = new javax.swing.JButton ();
580 txtGoTo = new javax.swing.JTextField ();
581 pnlSep02 = new javax.swing.JPanel ();
582 btnActualSize = new javax.swing.JToggleButton ();
583 btnFitPage = new javax.swing.JToggleButton ();
584 btnFitWidth = new javax.swing.JToggleButton ();
585 pnlSep03 = new javax.swing.JPanel ();
586 btnZoomIn = new javax.swing.JButton ();
587 btnZoomOut = new javax.swing.JButton ();
588 cmbZoom = new javax.swing.JComboBox ();
589 DefaultComboBoxModel model = new DefaultComboBoxModel ();
590 for(int i = 0; i < zooms.length; i++)
591 {
592 model.addElement("" + zooms[i] + "%");
593 }
594 cmbZoom.setModel(model);
595
596 pnlMain = new javax.swing.JPanel ();
597 scrollPane = new javax.swing.JScrollPane ();
598 scrollPane.getHorizontalScrollBar().setUnitIncrement(5);
599 scrollPane.getVerticalScrollBar().setUnitIncrement(5);
600
601 pnlInScroll = new javax.swing.JPanel ();
602 pnlPage = new javax.swing.JPanel ();
603 jPanel4 = new javax.swing.JPanel ();
604 pnlLinks = new javax.swing.JPanel ();
605 jPanel5 = new javax.swing.JPanel ();
606 jPanel6 = new javax.swing.JPanel ();
607 jPanel7 = new javax.swing.JPanel ();
608 jPanel8 = new javax.swing.JPanel ();
609 jLabel1 = new javax.swing.JLabel ();
610 jPanel9 = new javax.swing.JPanel ();
611 lblPage = new PageRenderer(this);
612 pnlStatus = new javax.swing.JPanel ();
613 lblStatus = new javax.swing.JLabel ();
614
615 setLayout(new java.awt.BorderLayout ());
616
617 setMinimumSize(new java.awt.Dimension (450, 150));
618 setPreferredSize(new java.awt.Dimension (450, 150));
619 tlbToolBar.setLayout(new java.awt.FlowLayout (java.awt.FlowLayout.LEFT, 0, 2));
620
621 btnSave.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/save.GIF")));
622 btnSave.setToolTipText(getBundleString("save"));
623 btnSave.setMargin(new java.awt.Insets (2, 2, 2, 2));
624 btnSave.setMaximumSize(new java.awt.Dimension (23, 23));
625 btnSave.setMinimumSize(new java.awt.Dimension (23, 23));
626 btnSave.setPreferredSize(new java.awt.Dimension (23, 23));
627 btnSave.addActionListener(new java.awt.event.ActionListener () {
628 public void actionPerformed(java.awt.event.ActionEvent evt) {
629 btnSaveActionPerformed(evt);
630 }
631 });
632
633 tlbToolBar.add(btnSave);
634
635 btnPrint.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/print.GIF")));
636 btnPrint.setToolTipText(getBundleString("print"));
637 btnPrint.setMargin(new java.awt.Insets (2, 2, 2, 2));
638 btnPrint.setMaximumSize(new java.awt.Dimension (23, 23));
639 btnPrint.setMinimumSize(new java.awt.Dimension (23, 23));
640 btnPrint.setPreferredSize(new java.awt.Dimension (23, 23));
641 btnPrint.addActionListener(new java.awt.event.ActionListener () {
642 public void actionPerformed(java.awt.event.ActionEvent evt) {
643 btnPrintActionPerformed(evt);
644 }
645 });
646
647 tlbToolBar.add(btnPrint);
648
649 btnReload.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/reload.GIF")));
650 btnReload.setToolTipText(getBundleString("reload"));
651 btnReload.setMargin(new java.awt.Insets (2, 2, 2, 2));
652 btnReload.setMaximumSize(new java.awt.Dimension (23, 23));
653 btnReload.setMinimumSize(new java.awt.Dimension (23, 23));
654 btnReload.setPreferredSize(new java.awt.Dimension (23, 23));
655 btnReload.addActionListener(new java.awt.event.ActionListener () {
656 public void actionPerformed(java.awt.event.ActionEvent evt) {
657 btnReloadActionPerformed(evt);
658 }
659 });
660
661 tlbToolBar.add(btnReload);
662
663 pnlSep01.setMaximumSize(new java.awt.Dimension (10, 10));
664 tlbToolBar.add(pnlSep01);
665
666 btnFirst.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/first.GIF")));
667 btnFirst.setToolTipText(getBundleString("first.page"));
668 btnFirst.setMargin(new java.awt.Insets (2, 2, 2, 2));
669 btnFirst.setMaximumSize(new java.awt.Dimension (23, 23));
670 btnFirst.setMinimumSize(new java.awt.Dimension (23, 23));
671 btnFirst.setPreferredSize(new java.awt.Dimension (23, 23));
672 btnFirst.addActionListener(new java.awt.event.ActionListener () {
673 public void actionPerformed(java.awt.event.ActionEvent evt) {
674 btnFirstActionPerformed(evt);
675 }
676 });
677
678 tlbToolBar.add(btnFirst);
679
680 btnPrevious.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/previous.GIF")));
681 btnPrevious.setToolTipText(getBundleString("previous.page"));
682 btnPrevious.setMargin(new java.awt.Insets (2, 2, 2, 2));
683 btnPrevious.setMaximumSize(new java.awt.Dimension (23, 23));
684 btnPrevious.setMinimumSize(new java.awt.Dimension (23, 23));
685 btnPrevious.setPreferredSize(new java.awt.Dimension (23, 23));
686 btnPrevious.addActionListener(new java.awt.event.ActionListener () {
687 public void actionPerformed(java.awt.event.ActionEvent evt) {
688 btnPreviousActionPerformed(evt);
689 }
690 });
691
692 tlbToolBar.add(btnPrevious);
693
694 btnNext.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/next.GIF")));
695 btnNext.setToolTipText(getBundleString("next.page"));
696 btnNext.setMargin(new java.awt.Insets (2, 2, 2, 2));
697 btnNext.setMaximumSize(new java.awt.Dimension (23, 23));
698 btnNext.setMinimumSize(new java.awt.Dimension (23, 23));
699 btnNext.setPreferredSize(new java.awt.Dimension (23, 23));
700 btnNext.addActionListener(new java.awt.event.ActionListener () {
701 public void actionPerformed(java.awt.event.ActionEvent evt) {
702 btnNextActionPerformed(evt);
703 }
704 });
705
706 tlbToolBar.add(btnNext);
707
708 btnLast.setIcon(new javax.swing.ImageIcon (getClass().getResource("/net/sf/jasperreports/view/images/last.GIF")));
709 btnLast.setToolTipText(getBundleString("last.page"));
710 btnLast.setMargin(new java.awt.Insets (2, 2, 2, 2));
711 btnLast.setMaximumSize(new java.awt.Dimension (23, 23));
712 btnLast.setMinimumSize(new java.awt.Dimension (23, 23));
713 btnLast.setPreferredSize(new java.awt.Dimension (23, 23));
714 btnLast.addActionListener(new java.awt.event.ActionListener () {
715 public void actionPerformed(java.awt.event.ActionEvent |
Java API By Example, From Geeks To Geeks.