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1 package com.sshtools.ui.awt.options;
2
3 import java.awt.BorderLayout  ;
4 import java.awt.Button ;
5 import java.awt.Color ;
6 import java.awt.Component ;
7 import java.awt.Dialog ;
8 import java.awt.Dimension ;
9 import java.awt.FlowLayout ;
10 import java.awt.Frame ;
11 import java.awt.GridBagConstraints ;
12 import java.awt.GridBagLayout ;
13 import java.awt.Image ;
14 import java.awt.Insets ;
15 import java.awt.Label ;
16 import java.awt.Panel ;
17 import java.awt.ScrollPane ;
18 import java.awt.TextField ;
19 import java.awt.event.ActionEvent ;
20 import java.awt.event.ActionListener ;
21 import java.awt.event.WindowAdapter ;
22 import java.awt.event.WindowEvent ;
23 import java.io.PrintWriter ;
24 import java.io.StringWriter ;
25 import java.util.StringTokenizer ;
26 import java.util.Vector ;
27
28 import com.sshtools.ui.awt.ImageCanvas;
29 import com.sshtools.ui.awt.MultilineLabel;
30 import com.sshtools.ui.awt.UIUtil;
31
32 public class OptionDialog extends Panel {
33
34 public static String INFORMATION_ICON = "/images/information-48x48.png"; public static String WARNING_ICON = "/images/warning-48x48.png"; public static String QUESTION_ICON = "/images/question-48x48.png"; public static String ERROR_ICON = "/images/error-48x48.png";
39
40 public static final int INFORMATION = 0;
41
42 public static final int QUESTION = 1;
43
44 public static final int WARNING = 2;
45
46 public static final int ERROR = 3;
47
48 public static final int UNCATEGORISED = 99;
49
50 public static boolean useDialogForPrompt = true;
51
52 public static final Option CHOICE_YES = new Option(Messages.getString("OptionDialog.yes"));
54 public static final Option CHOICE_SHOW = new Option(Messages.getString("OptionDialog.show"));
56 public static final Option CHOICE_HIDE = new Option(Messages.getString("OptionDialog.hide"));
58 public static final Option CHOICE_NO = new Option(Messages.getString("OptionDialog.no"));
60 public static final Option CHOICE_OK = new Option(Messages.getString("OptionDialog.ok"));
62 public static final Option CHOICE_YES_TO_ALL = new Option(Messages.getString("OptionDialog.yesToAll"));
64 public static final Option CHOICE_CANCEL = new Option(Messages.getString("OptionDialog.cancel"));
66 public static final Option CHOICES_YES_NO[] = { CHOICE_YES, CHOICE_NO };
67
68 public static final Option CHOICES_OK_CANCEL[] = { CHOICE_OK, CHOICE_CANCEL };
69
70 public static final Option CHOICES_OK[] = { CHOICE_OK };
71
72 private Object lock_;
73 private boolean dismissed;
74 private Option selected;
75 private OptionCallback callback;
76 private Dialog dialog;
77
78 public OptionDialog(int type, Object text, Option choices[], OptionCallback callback) {
79 this(type, text, choices, callback, null);
80 }
81
82 public OptionDialog(int type, Object text, Option choices[], OptionCallback callback, Component buttonBarAccessory) {
83 super(new BorderLayout ());
84 lock_ = new Object ();
85 dismissed = false;
86 this.callback = callback;
87 Panel titlePanel = new Panel (new FlowLayout (0));
88 Image icon = null;
89 switch (type) {
90 case 0:
91 icon = UIUtil.loadImage(getClass(), INFORMATION_ICON);
93 break;
94 case 2:
95 icon = UIUtil.loadImage(getClass(), WARNING_ICON);
97 break;
98 case 1:
99 icon = UIUtil.loadImage(getClass(), QUESTION_ICON);
101 break;
102 case 99:
103 break;
104 default:
105 icon = UIUtil.loadImage(getClass(), ERROR_ICON);
106 break;
107 }
108 if (icon != null) {
109 UIUtil.waitFor(icon, this);
110 }
111 Panel textPanel = new Panel (new GridBagLayout ());
112 GridBagConstraints gbc = new GridBagConstraints ();
113 gbc.anchor = GridBagConstraints.WEST;
114 gbc.fill = GridBagConstraints.NONE;
115 if (text instanceof Component ) {
116 UIUtil.gridBagAdd(textPanel, (Component ) text, gbc, 0);
117 } else {
118 StringTokenizer st = new StringTokenizer (String.valueOf(text), "\n"); while (st.hasMoreTokens()) {
120 String n = st.nextToken().trim();
121 if (n.length() > 0) {
122 UIUtil.gridBagAdd(textPanel, new Label (n), gbc, 0);
123 }
124 }
125 }
126 add(textPanel, "Center"); Panel choicePanel = new Panel (new FlowLayout (buttonBarAccessory == null ? FlowLayout.CENTER : FlowLayout.RIGHT));
128 OptionWrapper choice = new OptionWrapper();
129 choice.idx = -1;
130 for (int i = 0; choices != null && i < choices.length; i++) {
131 Button b = new Button (choices[i].getText()) {
134 public Dimension getMinimumSize() {
135 return new Dimension (60, super.getMinimumSize().height);
136 }
137
138 public Dimension getPreferredSize() {
139 return getMinimumSize();
140 }
141 };
142 choicePanel.add(b);
143 b.addActionListener(new BlockingActionListener(choices[i]));
144 }
145 if (icon != null) {
146 add(new ImageCanvas(icon), "West"); }
148 if(buttonBarAccessory != null) {
149 Panel p= new Panel (new GridBagLayout ());
150 GridBagConstraints gbc2 = new GridBagConstraints ();
151 gbc2.anchor = GridBagConstraints.WEST;
152 gbc2.fill = GridBagConstraints.HORIZONTAL;
153 gbc2.insets = new Insets (2, 4, 2, 2);
154 UIUtil.gridBagAdd(p, buttonBarAccessory, gbc2, GridBagConstraints.RELATIVE);
155 gbc2.anchor = GridBagConstraints.EAST;
156 gbc2.weightx = 1.0;
157 UIUtil.gridBagAdd(p, choicePanel, gbc2, GridBagConstraints.REMAINDER);
158 add(p, BorderLayout.SOUTH);
159 }
160 else {
161 add(choicePanel, "South"); }
163 }
164
165 public static void main(String [] args) {
166 Frame f = new Frame ();
167 OptionDialog.error(f, "Test", "This is a test error", new Exception ("Test")); }
169
170 public void choice(Option choice) {
171 selected = choice;
172 if (dialog != null)
173 dialog.dispose();
174 else
175 synchronized (lock_) {
176 dismissed = true;
177 lock_.notify();
178 }
179 }
180
181 public Option dialogPrompt(Component parent, String title) {
182 java.awt.Frame f = parent == null ? null : (parent instanceof Frame ? (Frame ) parent : UIUtil.getFrameAncestor(parent));
183 if (f == null) {
184 f = UIUtil.getSharedFrame();
185 }
186 dialog = new Dialog (f, title, true);
187 dialog.addWindowListener(new WindowAdapter () {
188 public void windowClosing(WindowEvent evt) {
189 dialog.dispose();
190 }
191 });
192 dialog.setLayout(new BorderLayout ());
193 dialog.add(this);
194 dialog.pack();
195 Dimension s = dialog.getSize();
196 dialog.setSize(s.width + 16, s.height + 16);
197 UIUtil.positionComponent(UIUtil.CENTER, dialog);
198 dialog.setResizable(false);
199 dialog.setVisible(true);
200 return selected;
201 }
202
203 public static char[] promptForAuthentication(Component parent, String title) {
204 return promptForAuthentication(parent, title, Messages.getString("OptionDialog.password")); }
206
207 public static char[] promptForAuthentication(Component parent, String title, String label) {
208 String t = promptForText(parent, title, "", null, '*', label); return t != null ? t.toCharArray() : null;
210 }
211
212 public static String promptForText(Component parent, String title, String defaultText, Component accessory, char echoCharacter,
213 String label) {
214 return promptForText(parent, title, defaultText, accessory, echoCharacter, label, -1, "South"); }
216
217 public static String promptForText(Component parent, String title, String defaultText, Component accessory, char echoCharacter,
218 String label, int textWidth, String accesoryPosition) {
219 Panel p = new Panel (new BorderLayout ());
220 Panel middle = new Panel (new FlowLayout ());
221 middle.add(new Label (label));
222 TextField text = new TextField (defaultText, textWidth == -1 ? 15 : textWidth);
223 middle.add(text);
224 p.add(middle, "Center"); if (echoCharacter != ' ')
226 text.setEchoChar(echoCharacter);
227 text.requestFocus();
228 final OptionDialog dialog = new OptionDialog(QUESTION, p, CHOICES_OK_CANCEL, null);
229 text.addActionListener(new ActionListener () {
230 public void actionPerformed(ActionEvent evt) {
231 dialog.choice(CHOICE_OK);
232 }
233 });
234 if (accessory != null)
235 p.add(accessory, accesoryPosition);
236 if (dialog.dialogPrompt(parent, title) == CHOICE_OK)
237 return text.getText();
238 else
239 return null;
240 }
241
242 public static Option prompt(Component parent, int type, String title, Object text, Option choices[]) {
243 return prompt(parent, type, title, text, choices, null);
244 }
245
246 public static Option prompt(Component parent, int type, String title, Object text, Option choices[], OptionCallback callback) {
247 return prompt(parent, type, title, text, choices, callback, null);
248 }
249
250 public static Option prompt(Component parent, int type, String title, Object text, Option choices[], OptionCallback callback, Component buttonBarAccesory) {
251 return new OptionDialog(type, text, choices, callback, buttonBarAccesory).dialogPrompt(parent, title);
252 }
253
254
261 public static void error(Component parent, String title, Throwable exception) {
262 error(parent, title, null, exception);
263 }
264
265
272 public static void error(Component parent, String title, String message) {
273 error(parent, title, message, null);
274 }
275
276
284 public static void error(Component parent, String title, String mesg, Throwable exception) {
285 error(parent, title, mesg, exception, null);
286 }
287
288
296 public static Option error(Component parent, String title, String mesg, Throwable exception, Option[] options) {
297 boolean details = false;
298 if (exception != null) {
299 exception.printStackTrace();
300 }
301 while (true) {
302 Vector optlist = new Vector ();
303 int detailsIdx = -1;
304 if (options != null) {
305 for (int i = 0; i < options.length; i++) {
306 optlist.addElement(options[i]);
307 }
308 }
309 if (exception != null) {
310 detailsIdx = optlist.size();
311 if (details) {
312 optlist.addElement(CHOICE_HIDE);
313 } else {
314 optlist.addElement(CHOICE_SHOW);
315 }
316 }
317 if (options == null) {
318 optlist.addElement(CHOICE_OK);
319 }
320 Option[] opts = new Option[optlist.size()];
321 for (int i = 0; i < optlist.size(); i++) {
322 opts[i] = (Option) optlist.elementAt(i);
323 }
324
325 StringBuffer buf = new StringBuffer ();
326 if (mesg != null) {
327 buf.append(mesg + "\n"); }
329 appendException(exception, 0, buf, details);
330 Component message;
331 if (details) {
332 MultilineLabel text = new MultilineLabel(buf.toString());
333 message = new ScrollPane (ScrollPane.SCROLLBARS_AS_NEEDED);
334 message.setSize(new Dimension (520, 400));
335 ((ScrollPane ) message).add(text);
336
337 } else {
338 message = new MultilineLabel(buf.toString());
339 }
340 Option opt = prompt(parent, ERROR, title, message, opts);
341 if (opt == CHOICE_HIDE || opt == CHOICE_SHOW) {
342 details = !details;
343 } else {
344 if (options != null) {
345 return opt;
346 } else {
347 return null;
348 }
349 }
350 }
351 }
352
353 protected static void appendException(Throwable exception, int level, StringBuffer buf, boolean details) {
354 try {
355 if (((exception != null) && (exception.getMessage() != null)) && (exception.getMessage().length() > 0)) {
356 if (details && (level > 0)) {
357 buf.append("\n \nCaused by ...\n"); }
359 buf.append(exception.getMessage());
360 }
361 if (details) {
362 if (exception != null) {
363 if ((exception.getMessage() != null) && (exception.getMessage().length() == 0)) {
364 buf.append("\n \nCaused by ..."); } else {
366 buf.append("\n \n"); }
368 }
369 StringWriter sw = new StringWriter ();
370 if (exception != null) {
371 exception.printStackTrace(new PrintWriter (sw));
372 }
373 buf.append(sw.toString());
374 }
375 try {
376 java.lang.reflect.Method method = exception.getClass().getMethod("getCause", new Class [] {}); Throwable cause = (Throwable ) method.invoke(exception, (Object []) null);
378 if (cause != null) {
379 appendException(cause, level + 1, buf, details);
380 }
381 } catch (Exception e) {
382 }
383 } catch (Throwable ex) {
384 }
385 }
386
387 public static void info(Component parent, String title, String message) {
388 prompt(parent, 0, title, message, CHOICES_OK);
389 }
390
391 static class OptionWrapper {
392 int idx;
393
394 OptionWrapper() {
395 }
396 }
397
398 class BlockingActionListener implements ActionListener {
399 public void actionPerformed(ActionEvent e) {
400 if (callback != null && !callback.allowClose(choice))
401 return;
402 selected = choice;
403 if (dialog != null)
404 dialog.dispose();
405 else
406 synchronized (lock_) {
407 dismissed = true;
408 lock_.notify();
409 }
410 }
411
412 Option choice;
413
414 BlockingActionListener(Option choice) {
415 this.choice = choice;
416 }
417 }
418 } |
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