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1
30 package com.genimen.djeneric.tools.specifier.editor;
31
32 import java.awt.BorderLayout  ;
33 import java.awt.Color ;
34 import java.awt.FlowLayout ;
35 import java.awt.event.ActionEvent ;
36 import java.awt.event.KeyEvent ;
37 import java.awt.event.MouseEvent ;
38 import java.util.ArrayList ;
39 import java.util.Iterator ;
40
41 import javax.swing.DefaultListModel ;
42 import javax.swing.JButton ;
43 import javax.swing.JLabel ;
44 import javax.swing.JList ;
45 import javax.swing.JPanel ;
46 import javax.swing.JScrollPane ;
47 import javax.swing.ListSelectionModel ;
48
49 import com.genimen.djeneric.language.Messages;
50 import com.genimen.djeneric.repository.DjCursor;
51 import com.genimen.djeneric.repository.DjExtent;
52 import com.genimen.djeneric.repository.DjList;
53 import com.genimen.djeneric.repository.DjObject;
54 import com.genimen.djeneric.repository.DjOql;
55 import com.genimen.djeneric.repository.DjProperty;
56 import com.genimen.djeneric.repository.DjSession;
57 import com.genimen.djeneric.repository.exceptions.DjenericException;
58 import com.genimen.djeneric.tools.scriptengine.core.util.Variable;
59 import com.genimen.djeneric.tools.specifier.base.BasePanel;
60 import com.genimen.djeneric.tools.specifier.base.FilterPanel;
61 import com.genimen.djeneric.tools.specifier.interfaces.Chooser;
62 import com.genimen.djeneric.tools.specifier.interfaces.EditorEventListener;
63 import com.genimen.djeneric.tools.specifier.interfaces.SpecifierPanelContainer;
64 import com.genimen.djeneric.ui.Util;
65 import com.genimen.djeneric.util.DjLogger;
66
67 public class ChooserPanel extends BasePanel implements Chooser
68 {
69 private static final long serialVersionUID = 1L;
70 public static final int MAX_RESULT_SIZE = 200;
71
72 BorderLayout borderLayout1 = new BorderLayout ();
73 JPanel jPanel2 = new JPanel ();
74 BorderLayout borderLayout2 = new BorderLayout ();
75 JPanel _buttonPanel = new JPanel ();
76 JScrollPane jScrollPane1 = new JScrollPane ();
77 JList _lstResults = new JList ();
78 BorderLayout borderLayout3 = new BorderLayout ();
79 BorderLayout borderLayout4 = new BorderLayout ();
80 JPanel _buttonPanelRight = new JPanel ();
81 FlowLayout flowLayout1 = new FlowLayout ();
82 JButton _butSelect = new JButton ();
83 JButton _butCancel = new JButton ();
84 BorderLayout borderLayout5 = new BorderLayout ();
85 FilterPanel _propertyPanel;
86 DjExtent _extent;
87 DjSession _session;
88 ArrayList _editorEventListeners = new ArrayList ();
89 String _eventContext = null;
90 SpecifierPanelContainer _editorContainer;
91 Variable _destVariable = null;
92 DjObject _selectedObject = null;
93 JLabel _edtStatus = new JLabel ();
94 FlowLayout flowLayout2 = new FlowLayout ();
95 JButton _butRequery = new JButton ();
96 JPanel _middleButtonPanel = new JPanel ();
97 boolean _disableDefaultAccept = false;
98
99 public ChooserPanel()
100 {
101 }
102
103 public ChooserPanel(DjSession session, DjExtent extent)
104 {
105 construct(null, null, session, extent, null);
106 }
107
108 public void construct(SpecifierPanelContainer editorContainer, DjOql restrictingOql, DjSession session,
109 DjExtent extent, ArrayList excludeTheseProperties)
110 {
111 try
112 {
113 _editorContainer = editorContainer;
114 _extent = extent;
115 _session = session;
116 _propertyPanel = new FilterPanel(restrictingOql, session, extent, excludeTheseProperties)
117 {
118 private static final long serialVersionUID = 1L;
119
120 protected void enterHit()
121 {
122 ChooserPanel.this.enterHit();
123 }
124
125 protected void acceptHit()
126 {
127 ChooserPanel.this.acceptHit();
128 }
129
130 protected void escapeHit()
131 {
132 ChooserPanel.this.escapeHit();
133 }
134 };
135 jbInit();
136
137 _lstResults.addKeyListener(new java.awt.event.KeyAdapter ()
138 {
139 public void keyPressed(KeyEvent e)
140 {
141 handleListKeyPressed(e);
142 }
143 });
144 }
145 catch (Exception x)
146 {
147 DjLogger.log(x);
148 }
149 }
150
151 void jbInit() throws Exception
152 {
153 this.setLayout(borderLayout1);
154 jPanel2.setLayout(borderLayout2);
155 _buttonPanel.setLayout(borderLayout4);
156 _buttonPanelRight.setLayout(flowLayout1);
157 _butSelect.setText(Messages.getString("ChooserPanel.Select"));
158 _butSelect.addActionListener(new java.awt.event.ActionListener ()
159 {
160 public void actionPerformed(ActionEvent e)
161 {
162 _butSelect_actionPerformed(e);
163 }
164 });
165 _butCancel.setText(Messages.getString("global.Cancel"));
166 _butCancel.addActionListener(new java.awt.event.ActionListener ()
167 {
168 public void actionPerformed(ActionEvent e)
169 {
170 _butCancel_actionPerformed(e);
171 }
172 });
173 _lstResults.addMouseListener(new java.awt.event.MouseAdapter ()
174 {
175 public void mouseClicked(MouseEvent e)
176 {
177 _lstResults_mouseClicked(e);
178 }
179 });
180 _edtStatus.setForeground(Color.red);
181 _edtStatus.setText("");
182
183 flowLayout2.setAlignment(FlowLayout.RIGHT);
184 _butRequery.setText(Messages.getString("global.Query"));
185 _butRequery.addActionListener(new java.awt.event.ActionListener ()
186 {
187 public void actionPerformed(ActionEvent e)
188 {
189 _butRequery_actionPerformed(e);
190 }
191 });
192 _middleButtonPanel.setLayout(flowLayout2);
193 _lstResults.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
194 jScrollPane1.getViewport().add(_lstResults, null);
195
196 jPanel2.add(jScrollPane1, BorderLayout.CENTER);
197 jPanel2.add(_buttonPanel, BorderLayout.SOUTH);
198
199 _buttonPanel.add(_buttonPanelRight, BorderLayout.EAST);
200 _buttonPanelRight.add(_butCancel, null);
201 _buttonPanelRight.add(_butSelect, null);
202 jPanel2.add(_middleButtonPanel, BorderLayout.NORTH);
203 _middleButtonPanel.add(_butRequery, null);
204
205 this.add(_propertyPanel, BorderLayout.NORTH);
206 this.add(jPanel2, BorderLayout.CENTER);
207 this.add(_edtStatus, BorderLayout.SOUTH);
208 Util.sizeButtons(_buttonPanelRight);
209 }
210
211 void _butRequery_actionPerformed(ActionEvent e)
212 {
213
214 try
215 {
216 requery();
217 }
218 catch (DjenericException e1)
219 {
220 setStatusMessage(e1);
221 }
222 }
223
224 public void requestFocus()
225 {
226 _propertyPanel.requestFocus();
227 }
228
229 protected void requery() throws DjenericException
230 {
231 DjOql oql = _propertyPanel.getOql();
232 DjCursor lst = _session.getObjectsCursor(oql);
233 DefaultListModel model = new DefaultListModel ();
234
235 DjList result = new DjList();
236
237 DjObject obj = lst.getNext();
238
239 for (int i = 0; i < MAX_RESULT_SIZE && obj != null; i++)
240 {
241 result.add(obj);
242 obj = lst.getNext();
243 }
244 lst.close();
245 result.sort();
246
247 Iterator it = result.iterator();
248 while (it.hasNext())
249 model.addElement(it.next());
250
251 _lstResults.setModel(model);
252
253 if (model.size() > 0) _lstResults.setSelectedIndex(0);
254 if (model.size() == MAX_RESULT_SIZE) setStatusMessage(Messages.getString("ChooserPanel.MoreThan", String
255 .valueOf(MAX_RESULT_SIZE), _extent.getNamePlural()), false);
256 else if (model.size() == 0) setStatusMessage(Messages.getString("ChooserPanel.No", _extent.getNameSingular()),
257 false);
258 else setStatusMessage(Messages.getString("global.Ok"), true);
259
260 if (model.size() != 0) _lstResults.requestFocus();
261 }
262
263 void _butCancel_actionPerformed(ActionEvent e)
264 {
265 try
266 {
267 if (close()) fireEvent("cancel");
268 }
269 catch (DjenericException dje)
270 {
271 setStatusMessage(dje.getMessage(), false);
272 }
273 }
274
275 void _butSelect_actionPerformed(ActionEvent e)
276 {
277 try
278 {
279 select();
280 if (close()) fireEvent("accept");
281 }
282 catch (DjenericException dje)
283 {
284 setStatusMessage(dje);
285 }
286 }
287
288 protected void cleanup() throws DjenericException
289 {
290 fireEvent("close");
291 if (_editorContainer != null)
292 {
293 _editorContainer.notifyClosed(this);
294 }
295 }
296
297 protected void select() throws DjenericException
298 {
299
300 if (_lstResults.getSelectedIndex() == -1)
301 {
302 throw new DjenericException(Messages.getString("ChooserPanel.PleaseSelect", _extent.getNameSingular()));
303 }
304 fireEvent("validate");
305
306 _selectedObject = (DjObject) _lstResults.getSelectedValue();
307 if (_destVariable != null)
308 {
309 _destVariable.setObject(_selectedObject);
310 }
311 }
312
313 void _lstResults_mouseClicked(MouseEvent e)
314 {
315 if (!_disableDefaultAccept && e.getClickCount() > 1) acceptHit();
316 }
317
318 public void hideDefaultOkCCancelButtons(boolean hide)
319 {
320 _butSelect.setVisible(!hide);
321 _butCancel.setVisible(!hide);
322 }
323
324 public void registerEvent(String eventName, String eventTitle, String eventOption)
325 {
326 hideDefaultOkCCancelButtons(true);
327 JButton newButton = new JButton ();
328
329 newButton.setText(eventTitle);
330 newButton.setActionCommand(eventName + "," + eventOption);
331 newButton.addActionListener(new java.awt.event.ActionListener ()
332 {
333 public void actionPerformed(ActionEvent e)
334 {
335 fireCustomEvent(e);
336 }
337 });
338 _buttonPanelRight.add(newButton, null);
339 Util.sizeButtons(_buttonPanelRight);
340 _disableDefaultAccept = true;
341 }
342
343 protected void fireCustomEvent(ActionEvent e)
344 {
345 String event = e.getActionCommand();
346 String option = "none";
347 int idx = event.indexOf(",");
348 if (idx != -1)
349 {
350 option = event.substring(idx + 1);
351 event = event.substring(0, idx);
352 }
353
354 try
355 {
356 if ("accept".equals(option))
357 {
358 select();
359 close();
360 fireEvent(event);
361 }
362 else if ("cancel".equals(option))
363 {
364 close();
365 fireEvent(event);
366 }
367 else fireEvent(event);
368 }
369 catch (Exception x)
370 {
371 setStatusMessage(x);
372 }
373
374 }
375
376 public void setStatusMessage(String msg, boolean isInformative)
377 {
378 if (_editorContainer != null) _editorContainer.setStatusMessage(msg, isInformative);
379 else if (!isInformative) _edtStatus.setText(msg);
380 else _edtStatus.setText("");
381 }
382
383 public DjProperty[] getQueryableProperties()
384 {
385 return _propertyPanel.getQueryableProperties();
386 }
387
388 protected void fireEvent(String eventName) throws DjenericException
389 {
390 String fullEventName;
391
392 if (_eventContext == null) fullEventName = eventName;
393 else fullEventName = _eventContext + "." + eventName;
394
395 for (int i = 0; i < _editorEventListeners.size(); i++)
396 {
397 EditorEventListener eel = (EditorEventListener) _editorEventListeners.get(i);
398 eel.handleEvent(fullEventName);
399 }
400 }
401
402 public void addEditorEventListener(EditorEventListener lsnr)
403 {
404 _editorEventListeners.add(lsnr);
405 }
406
407 public void removeEditorEventListener(EditorEventListener lsnr)
408 {
409 _editorEventListeners.remove(lsnr);
410 }
411
412 public String getEventContext()
413 {
414 return _eventContext;
415 }
416
417 public void setEventContext(String string)
418 {
419 _eventContext = string;
420 }
421
422 public void setDestinationVariable(Variable destVariable)
423 {
424 _destVariable = destVariable;
425 }
426
427 public DjObject getSelectedObject()
428 {
429 if (_selectedObject == null) return (DjObject) _lstResults.getSelectedValue();
430 return _selectedObject;
431 }
432
433 protected void enterHit()
434 {
435 _butRequery_actionPerformed(null);
436 }
437
438 protected void acceptHit()
439 {
440 _butSelect_actionPerformed(null);
441 }
442
443 protected void escapeHit()
444 {
445 _butCancel_actionPerformed(null);
446 }
447
448 void handleListKeyPressed(KeyEvent e)
449 {
450 if (!_disableDefaultAccept && e.getKeyCode() == KeyEvent.VK_ENTER && e.getModifiers() == 0) acceptHit();
451 if (e.getKeyCode() == KeyEvent.VK_ESCAPE) escapeHit();
452 }
453
454 } |
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