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1
13
14 package installer;
15
16 import javax.swing.border.*;
17 import javax.swing.*;
18 import java.awt.event.*;
19 import java.awt.*;
20 import java.io.File  ;
21 import java.util.*;
22
23
26 public class SwingInstall extends JFrame
27 {
28 public SwingInstall()
29 {
30 installer = new Install();
31 osTasks = OperatingSystem.getOperatingSystem().getOSTasks(installer);
32
33 appName = installer.getProperty("app.name");
34 appVersion = installer.getProperty("app.version");
35
36 setTitle(appName + " " + appVersion + " installer");
37
38 JPanel content = new JPanel(new WizardLayout());
39 setContentPane(content);
40
41 caption = new JLabel();
42 caption.setFont(new Font("SansSerif",Font.BOLD,18));
43
44 ActionHandler actionHandler = new ActionHandler();
45
46 cancelButton = new JButton("Cancel");
47 cancelButton.setRequestFocusEnabled(false);
48 cancelButton.addActionListener(actionHandler);
49 prevButton = new JButton("Previous");
50 prevButton.setRequestFocusEnabled(false);
51 prevButton.addActionListener(actionHandler);
52 nextButton = new JButton();
53 nextButton.setRequestFocusEnabled(false);
54 nextButton.addActionListener(actionHandler);
55
56 content.add(caption);
57 content.add(cancelButton);
58 content.add(prevButton);
59 content.add(nextButton);
60
61 String clazz = OperatingSystem.getOperatingSystem()
62 .getClass().getName();
63 String completedInfo = "done-" + clazz.substring(
64 clazz.indexOf('$') + 1) + ".html";
65
66 pages = new Component[] {
67 new TextPanel(installer.getProperty("app.readme")),
68 new TextPanel(installer.getProperty("app.license")),
69 chooseDirectory = new ChooseDirectory(),
70 selectComponents = new SelectComponents(),
71 progress = new SwingProgress(),
72 new TextPanel(completedInfo)
73 };
74
75 for(int i = 0; i < pages.length; i++)
76 content.add(pages[i]);
77
78 pageChanged();
79
80 setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
81 addWindowListener(new WindowHandler());
82
83 Dimension screen = getToolkit().getScreenSize();
84 pack();
85 setLocation((screen.width - getSize().width) / 2,
86 (screen.height - getSize().height) / 2);
87 setVisible(true);
88 }
89
90 Install installer;
93 OperatingSystem.OSTask[] osTasks;
94 String appName;
95 String appVersion;
96
97 JLabel caption;
98
99 ChooseDirectory chooseDirectory;
100 SelectComponents selectComponents;
101 SwingProgress progress;
102
103 JButton cancelButton;
104 JButton prevButton;
105 JButton nextButton;
106 Component[] pages;
107 int currentPage;
108
109 private static final int PADDING = 12;
110
111 void install()
112 {
113 Vector components = new Vector();
114 int size = 0;
115
116 JPanel comp = selectComponents.comp;
117 Vector ids = selectComponents.filesets;
118
119 for(int i = 0; i < comp.getComponentCount(); i++)
120 {
121 if(((JCheckBox)comp.getComponent(i))
122 .getModel().isSelected())
123 {
124 size += installer.getIntegerProperty(
125 "comp." + ids.elementAt(i) + ".real-size");
126 components.addElement(installer.getProperty(
127 "comp." + ids.elementAt(i) + ".fileset"));
128 }
129 }
130
131 String installDir = chooseDirectory.installDir.getText();
132
133 Map osTaskDirs = chooseDirectory.osTaskDirs;
134 Iterator keys = osTaskDirs.keySet().iterator();
135 while(keys.hasNext())
136 {
137 OperatingSystem.OSTask osTask = (OperatingSystem.OSTask)keys.next();
138 String dir = ((JTextField)osTaskDirs.get(osTask)).getText();
139 if(dir != null && dir.length() != 0)
140 {
141 osTask.setEnabled(true);
142 osTask.setDirectory(dir);
143 }
144 else
145 osTask.setEnabled(false);
146 }
147
148 InstallThread thread = new InstallThread(
149 installer,progress,
150 installDir,osTasks,
151 size,components);
152 progress.setThread(thread);
153 thread.start();
154 }
155
156 private void pageChanged()
157 {
158 switch(currentPage)
159 {
160 case 0:
161 caption.setText("Installing " + appName);
162
163 nextButton.setText("Next");
164 prevButton.setEnabled(false);
165 break;
166 case 1:
167 caption.setText(installer.getProperty("app.license.title"));
168
169 nextButton.setText("Next");
170 prevButton.setEnabled(true);
171 break;
172 case 2:
173 caption.setText("Specify where " + appName
174 + " is to be installed");
175
176 nextButton.setText("Next");
177 prevButton.setEnabled(true);
178 break;
179 case 3:
180 caption.setText("Choose components to install");
181
182 nextButton.setText("Install");
183 prevButton.setEnabled(true);
184 break;
185 case 4:
186 caption.setText("Installing " + appName);
187
188 nextButton.setText("Finish");
189 prevButton.setEnabled(false);
190 nextButton.setEnabled(false);
191 install();
192 break;
193 case 5:
194 caption.setText("Installation complete");
195
196 nextButton.setText("Finish");
197 prevButton.setEnabled(false);
198 nextButton.setEnabled(true);
199 break;
200 }
201
202 getRootPane().invalidate();
203 getRootPane().validate();
204 }
205
206 class ActionHandler implements ActionListener
207 {
208 public void actionPerformed(ActionEvent evt)
209 {
210 Object source = evt.getSource();
211 if(source == cancelButton)
212 System.exit(0);
213 else if(source == prevButton)
214 {
215 currentPage--;
216 pageChanged();
217 }
218 else if(source == nextButton)
219 {
220 if(currentPage == pages.length - 1)
221 System.exit(0);
222 else
223 {
224 currentPage++;
225 pageChanged();
226 }
227 }
228 }
229 }
230
231 class WindowHandler extends WindowAdapter
232 {
233 public void windowClosing(WindowEvent evt)
234 {
235 System.exit(0);
236 }
237 }
238
239 class WizardLayout implements LayoutManager
240 {
241 public void addLayoutComponent(String name, Component comp)
242 {
243 }
244
245 public void removeLayoutComponent(Component comp)
246 {
247 }
248
249 public Dimension preferredLayoutSize(Container parent)
250 {
251 Dimension dim = new Dimension();
252
253 Dimension captionSize = caption.getPreferredSize();
254 dim.width = captionSize.width;
255
256 for(int i = 0; i < pages.length; i++)
257 {
258 Dimension _dim = pages[i].getPreferredSize();
259 dim.width = Math.max(_dim.width,dim.width);
260 dim.height = Math.max(_dim.height,dim.height);
261 }
262
263 dim.width += PADDING * 2;
264 dim.height += PADDING * 2;
265 dim.height += nextButton.getPreferredSize().height;
266 dim.height += captionSize.height;
267 return dim;
268 }
269
270 public Dimension minimumLayoutSize(Container parent)
271 {
272 return preferredLayoutSize(parent);
273 }
274
275 public void layoutContainer(Container parent)
276 {
277 Dimension size = parent.getSize();
278
279 Dimension captionSize = caption.getPreferredSize();
280 caption.setBounds(PADDING,PADDING,captionSize.width,
281 captionSize.height);
282
283 Dimension buttonSize = cancelButton.getPreferredSize();
285 buttonSize.width = Math.max(buttonSize.width,prevButton.getPreferredSize().width);
286 buttonSize.width = Math.max(buttonSize.width,nextButton.getPreferredSize().width);
287
288 cancelButton.setBounds(
290 PADDING,
291 size.height - buttonSize.height - PADDING,
292 buttonSize.width,
293 buttonSize.height);
294
295 prevButton.setBounds(
297 size.width - buttonSize.width * 2 - 6 - PADDING,
298 size.height - buttonSize.height - PADDING,
299 buttonSize.width,
300 buttonSize.height);
301
302 nextButton.setBounds(
303 size.width - buttonSize.width - PADDING,
304 size.height - buttonSize.height - PADDING,
305 buttonSize.width,
306 buttonSize.height);
307
308 Rectangle currentPageBounds = new Rectangle();
310 currentPageBounds.x = PADDING;
311 currentPageBounds.y = PADDING * 2 + captionSize.height;
312 currentPageBounds.width = size.width - currentPageBounds.x
313 - PADDING;
314 currentPageBounds.height = size.height - buttonSize.height
315 - currentPageBounds.y - PADDING * 2;
316
317 for(int i = 0; i < pages.length; i++)
318 {
319 Component page = pages[i];
320 page.setBounds(currentPageBounds);
321 page.setVisible(i == currentPage);
322 }
323 }
324 }
325
326 class TextPanel extends JPanel
327 {
328 TextPanel(String file)
329 {
330 super(new BorderLayout());
331
332 JEditorPane text = new JEditorPane();
333
334 try
335 {
336 text.setPage(TextPanel.this.getClass().getResource(file));
337 }
338 catch(Exception e)
339 {
340 text.setText("Error loading '" + file + "'");
341 e.printStackTrace();
342 }
343
344 text.setEditable(false);
345
346 JScrollPane scrollPane = new JScrollPane(text);
347 Dimension dim = new Dimension();
348 dim.width = 450;
349 dim.height = 200;
350 scrollPane.setPreferredSize(dim);
351 TextPanel.this.add(BorderLayout.CENTER,scrollPane);
352 }
353 }
354
355 class ChooseDirectory extends JPanel
356 {
357 JTextField installDir;
358 Map osTaskDirs;
359
360 ChooseDirectory()
361 {
362 super(new BorderLayout());
363
364 osTaskDirs = new HashMap();
365
366 JPanel directoryPanel = new JPanel(new VariableGridLayout(
367 VariableGridLayout.FIXED_NUM_COLUMNS,3,12,12));
368
369 installDir = addField(directoryPanel,"Install program in:",
370 OperatingSystem.getOperatingSystem()
371 .getInstallDirectory(appName,appVersion));
372
373 for(int i = 0; i < osTasks.length; i++)
374 {
375 OperatingSystem.OSTask osTask = osTasks[i];
376 String label = osTask.getLabel();
377 if(label != null)
378 {
379 JTextField field = addField(directoryPanel,label,
380 osTask.getDirectory());
381 osTaskDirs.put(osTask,field);
382 }
383 }
384 ChooseDirectory.this.add(BorderLayout.NORTH,directoryPanel);
385 }
386
387 private JTextField addField(JPanel directoryPanel, String label,
388 String defaultText)
389 {
390 JTextField field = new JTextField(defaultText);
391
392 directoryPanel.add(new JLabel(label,SwingConstants.RIGHT));
393
394 Box fieldBox = new Box(BoxLayout.Y_AXIS);
395 fieldBox.add(Box.createGlue());
396 Dimension dim = field.getPreferredSize();
397 dim.width = Integer.MAX_VALUE;
398 field.setMaximumSize(dim);
399 fieldBox.add(field);
400 fieldBox.add(Box.createGlue());
401 directoryPanel.add(fieldBox);
402 JButton choose = new JButton("Choose...");
403 choose.setRequestFocusEnabled(false);
404 choose.addActionListener(new ActionHandler(field));
405 directoryPanel.add(choose);
406
407 return field;
408 }
409
410 class ActionHandler implements ActionListener
411 {
412 JTextField field;
413
414 ActionHandler(JTextField field)
415 {
416 this.field = field;
417 }
418
419 public void actionPerformed(ActionEvent evt)
420 {
421 File directory = new File (field.getText());
422 JFileChooser chooser = new JFileChooser(directory.getParent());
423 chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
424 chooser.setSelectedFile(directory);
425
426 if(chooser.showOpenDialog(SwingInstall.this)
427 == JFileChooser.APPROVE_OPTION)
428 field.setText(chooser.getSelectedFile().getPath());
429 }
430 }
431 }
432
433 class SelectComponents extends JPanel
434 implements ActionListener
435 {
436 JPanel comp;
437 JLabel sizeLabel;
438 Vector filesets;
439
440 SelectComponents()
441 {
442 super(new BorderLayout());
443
444 comp = createCompPanel();
445 SelectComponents.this.add(BorderLayout.NORTH,comp);
446
447 sizeLabel = new JLabel("",SwingConstants.LEFT);
448 SelectComponents.this.add(BorderLayout.SOUTH,sizeLabel);
449
450 updateSize();
451 }
452
453 public void actionPerformed(ActionEvent evt)
454 {
455 updateSize();
456 }
457
458 private JPanel createCompPanel()
459 {
460 filesets = new Vector();
461
462 int count = installer.getIntegerProperty("comp.count");
463 JPanel panel = new JPanel(new GridLayout(count,1));
464
465 String osClass = OperatingSystem.getOperatingSystem()
466 .getClass().getName();
467 osClass = osClass.substring(osClass.indexOf('$') + 1);
468
469 for(int i = 0; i < count; i++)
470 {
471 String os = installer.getProperty("comp." + i + ".os");
472
473 if(os != null && !osClass.equals(os))
474 continue;
475
476 JCheckBox checkBox = new JCheckBox(
477 installer.getProperty("comp." + i + ".name")
478 + " (" + installer.getProperty("comp." + i
479 + ".disk-size") + "Kb)");
480 checkBox.getModel().setSelected(true);
481 checkBox.addActionListener(this);
482 checkBox.setRequestFocusEnabled(false);
483
484 filesets.addElement(new Integer (i));
485
486 panel.add(checkBox);
487 }
488
489 Dimension dim = panel.getPreferredSize();
490 dim.width = Integer.MAX_VALUE;
491 panel.setMaximumSize(dim);
492
493 return panel;
494 }
495
496 private void updateSize()
497 {
498 int size = 0;
499
500 for(int i = 0; i < filesets.size(); i++)
501 {
502 if(((JCheckBox)comp.getComponent(i))
503 .getModel().isSelected())
504 {
505 size += installer.getIntegerProperty("comp."
506 + filesets.elementAt(i)
507 + ".disk-size");
508 }
509 }
510
511 sizeLabel.setText("Estimated disk usage of selected"
512 + " components: " + size + "Kb");
513 }
514 }
515
516 class SwingProgress extends JPanel implements Progress
517 {
518 JProgressBar progress;
519 InstallThread thread;
520
521 SwingProgress()
522 {
523 super(new BorderLayout());
524
525 progress = new JProgressBar();
526 progress.setStringPainted(true);
527
528 SwingProgress.this.add(BorderLayout.NORTH,progress);
529 }
530
531 public void setMaximum(final int max)
532 {
533 SwingUtilities.invokeLater(new Runnable ()
534 {
535 public void run()
536 {
537 progress.setMaximum(max);
538 }
539 });
540 }
541
542 public void advance(final int value)
543 {
544 try
545 {
546 SwingUtilities.invokeAndWait(new Runnable ()
547 {
548 public void run()
549 {
550 progress.setValue(progress
551 .getValue() + value);
552 }
553 });
554 Thread.yield();
555 }
556 catch(Exception e)
557 {
558 }
559 }
560
561 public void done()
562 {
563 SwingUtilities.invokeLater(new Runnable ()
564 {
565 public void run()
566 {
567 currentPage++;
568 pageChanged();
569 }
570 });
571 }
572
573 public void error(final String message)
574 {
575 SwingUtilities.invokeLater(new Runnable ()
576 {
577 public void run()
578 {
579 dispose();
580 JOptionPane.showMessageDialog(null,
581 message,
582 "Installation aborted",
583 JOptionPane.ERROR_MESSAGE);
584 System.exit(1);
585 }
586 });
587 }
588
589 public void setThread(InstallThread thread)
590 {
591 this.thread = thread;
592 }
593 }
594 }
595
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