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1
56 package org.objectstyle.cayenne.modeler.editor;
57
58 import java.awt.BorderLayout  ;
59 import java.awt.Color ;
60 import java.awt.Component ;
61 import java.awt.event.ActionEvent ;
62 import java.awt.event.ActionListener ;
63 import java.util.Collection ;
64 import java.util.EventObject ;
65
66 import javax.swing.DefaultCellEditor ;
67 import javax.swing.DefaultComboBoxModel ;
68 import javax.swing.JButton ;
69 import javax.swing.JComboBox ;
70 import javax.swing.JPanel ;
71 import javax.swing.JTable ;
72 import javax.swing.JToolBar ;
73 import javax.swing.event.ChangeEvent ;
74 import javax.swing.event.ListSelectionEvent ;
75 import javax.swing.event.ListSelectionListener ;
76 import javax.swing.event.TableModelEvent ;
77 import javax.swing.event.TableModelListener ;
78 import javax.swing.table.DefaultTableCellRenderer ;
79 import javax.swing.table.TableColumn ;
80
81 import org.apache.log4j.Logger;
82 import org.objectstyle.cayenne.map.DataMap;
83 import org.objectstyle.cayenne.map.DeleteRule;
84 import org.objectstyle.cayenne.map.Entity;
85 import org.objectstyle.cayenne.map.MapObject;
86 import org.objectstyle.cayenne.map.ObjEntity;
87 import org.objectstyle.cayenne.map.ObjRelationship;
88 import org.objectstyle.cayenne.map.event.EntityEvent;
89 import org.objectstyle.cayenne.map.event.ObjEntityListener;
90 import org.objectstyle.cayenne.map.event.ObjRelationshipListener;
91 import org.objectstyle.cayenne.map.event.RelationshipEvent;
92 import org.objectstyle.cayenne.modeler.Application;
93 import org.objectstyle.cayenne.modeler.ProjectController;
94 import org.objectstyle.cayenne.modeler.action.CreateRelationshipAction;
95 import org.objectstyle.cayenne.modeler.action.ObjEntitySyncAction;
96 import org.objectstyle.cayenne.modeler.action.RemoveRelationshipAction;
97 import org.objectstyle.cayenne.modeler.dialog.objentity.ObjRelationshipInfoController;
98 import org.objectstyle.cayenne.modeler.event.EntityDisplayEvent;
99 import org.objectstyle.cayenne.modeler.event.ObjEntityDisplayListener;
100 import org.objectstyle.cayenne.modeler.event.RelationshipDisplayEvent;
101 import org.objectstyle.cayenne.modeler.util.CayenneTable;
102 import org.objectstyle.cayenne.modeler.util.CayenneWidgetFactory;
103 import org.objectstyle.cayenne.modeler.util.CellRenderers;
104 import org.objectstyle.cayenne.modeler.util.ModelerUtil;
105 import org.objectstyle.cayenne.modeler.util.PanelFactory;
106 import org.objectstyle.cayenne.modeler.util.UIUtil;
107
108
114 public class ObjEntityRelationshipTab extends JPanel implements ObjEntityDisplayListener,
115 ObjEntityListener, ObjRelationshipListener, ExistingSelectionProcessor {
116
117 private static final Logger logObj = Logger.getLogger(ObjEntityRelationshipTab.class);
118
119 private static final Object [] deleteRules = new Object [] {
120 DeleteRule.deleteRuleName(DeleteRule.NO_ACTION),
121 DeleteRule.deleteRuleName(DeleteRule.NULLIFY),
122 DeleteRule.deleteRuleName(DeleteRule.CASCADE),
123 DeleteRule.deleteRuleName(DeleteRule.DENY),
124 };
125
126 ProjectController mediator;
127
128 CayenneTable table;
129 JButton resolve;
130
131 public ObjEntityRelationshipTab(ProjectController mediator) {
132 this.mediator = mediator;
133
134 init();
135 initController();
136 }
137
138 private void init() {
139 this.setLayout(new BorderLayout ());
140
141 JToolBar toolBar = new JToolBar ();
142 Application app = Application.getInstance();
143 toolBar.add(app.getAction(CreateRelationshipAction.getActionName()).buildButton());
144 toolBar.add(app.getAction(ObjEntitySyncAction.getActionName()).buildButton());
145
146 toolBar.addSeparator();
147
148 resolve = new JButton ();
149 resolve.setIcon(ModelerUtil.buildIcon("icon-info.gif"));
150 resolve.setToolTipText("Edit Relationship");
151 toolBar.add(resolve);
152
153 toolBar.addSeparator();
154
155 toolBar.add(app.getAction(RemoveRelationshipAction.getActionName()).buildButton());
156 add(toolBar, BorderLayout.NORTH);
157
158 table = new CayenneTable();
159 table.setDefaultRenderer(String .class, new StringRenderer());
160 table.setDefaultRenderer(ObjEntity.class, new EntityRenderer());
161
162 add(PanelFactory.createTablePanel(table, null), BorderLayout.CENTER);
163 }
164
165 private void initController() {
166 mediator.addObjEntityDisplayListener(this);
167 mediator.addObjEntityListener(this);
168 mediator.addObjRelationshipListener(this);
169
170 resolve.addActionListener(new ActionListener () {
171
172 public void actionPerformed(ActionEvent e) {
173 int row = table.getSelectedRow();
174 if (row < 0) {
175 return;
176 }
177
178 ObjRelationshipTableModel model = (ObjRelationshipTableModel) table
179 .getModel();
180 new ObjRelationshipInfoController(mediator, model.getRelationship(row))
181 .startup();
182
183 table.getSelectionModel().clearSelection();
186 table.select(row);
187 }
188 });
189
190 table.getSelectionModel().addListSelectionListener(new ListSelectionListener () {
191
192 public void valueChanged(ListSelectionEvent e) {
193 processExistingSelection(e);
194 }
195 });
196 }
197
198
201 public void selectRelationship(ObjRelationship rel) {
202 if (rel == null) {
203 Application.getInstance().getAction(RemoveRelationshipAction.getActionName()).setEnabled(false);
204 return;
205 }
206 Application.getInstance().getAction(RemoveRelationshipAction.getActionName()).setEnabled(true);
208
209 ObjRelationshipTableModel model = (ObjRelationshipTableModel) table.getModel();
210 java.util.List rels = model.getObjectList();
211 int relPos = rels.indexOf(rel);
212 if (relPos >= 0) {
213 table.select(relPos);
214 }
215 }
216
217 public void processExistingSelection(EventObject e) {
218 if (e instanceof ChangeEvent ) {
219 table.clearSelection();
220 }
221 ObjRelationship rel = null;
222 if (table.getSelectedRow() >= 0) {
223 ObjRelationshipTableModel model = (ObjRelationshipTableModel) table
224 .getModel();
225 rel = model.getRelationship(table.getSelectedRow());
226 if (rel.getTargetEntity() != null
227 && ((ObjEntity) rel.getSourceEntity()).getDbEntity() != null
228 && ((ObjEntity) rel.getTargetEntity()).getDbEntity() != null) {
229 resolve.setEnabled(true);
230 }
231 else
232 resolve.setEnabled(false);
233
234 UIUtil.scrollToSelectedRow(table);
236 }
237 else
238 resolve.setEnabled(false);
239
240 RelationshipDisplayEvent ev = new RelationshipDisplayEvent(this, rel, mediator
241 .getCurrentObjEntity(), mediator.getCurrentDataMap(), mediator
242 .getCurrentDataDomain());
243
244 mediator.fireObjRelationshipDisplayEvent(ev);
245 }
246
247
248 public void currentObjEntityChanged(EntityDisplayEvent e) {
249 if (e.getSource() == this) {
250 return;
251 }
252
253 ObjEntity entity = (ObjEntity) e.getEntity();
254 if (entity != null) {
257 rebuildTable(entity);
258 }
259
260 if (e.isUnselectAttributes()) {
263 table.clearSelection();
264 }
265 }
266
267
270 private Object [] createObjEntityComboModel() {
271 DataMap map = mediator.getCurrentDataMap();
272
273 if(map == null) {
275 logObj.warn("createObjEntityComboModel:: Null DataMap.");
276 return new Object [0];
277 }
278
279 if(map.getNamespace() == null) {
280 logObj.warn("createObjEntityComboModel:: Null DataMap namespace - " + map);
281 return new Object [0];
282 }
283
284 Collection objEntities = map.getNamespace().getObjEntities();
285 return objEntities.toArray();
286 }
287
288 public void objEntityChanged(EntityEvent e) {
289 }
290
291 public void objEntityAdded(EntityEvent e) {
292 reloadEntityList(e);
293 }
294
295 public void objEntityRemoved(EntityEvent e) {
296 reloadEntityList(e);
297 }
298
299 public void objRelationshipChanged(RelationshipEvent e) {
300 table.select(e.getRelationship());
301 }
302
303 public void objRelationshipAdded(RelationshipEvent e) {
304 rebuildTable((ObjEntity) e.getEntity());
305 table.select(e.getRelationship());
306 }
307
308 public void objRelationshipRemoved(RelationshipEvent e) {
309 ObjRelationshipTableModel model = (ObjRelationshipTableModel) table.getModel();
310 int ind = model.getObjectList().indexOf(e.getRelationship());
311 model.removeRow(e.getRelationship());
312 table.select(ind);
313 }
314
315
319 private void reloadEntityList(EntityEvent e) {
320 if (e.getSource() != this){
321 return;
322 }
323
324 ObjEntity entity = mediator.getCurrentObjEntity();
326 if (entity == e.getEntity() || entity == null) {
327 return;
328 }
329
330 TableColumn col = table.getColumnModel().getColumn(
331 ObjRelationshipTableModel.REL_TARGET);
332 DefaultCellEditor editor = (DefaultCellEditor ) col.getCellEditor();
333
334 JComboBox combo = (JComboBox ) editor.getComponent();
335 combo.setRenderer(CellRenderers.entityListRendererWithIcons(entity.getDataMap()));
336 combo.setModel(new DefaultComboBoxModel (createObjEntityComboModel()));
337
338 ObjRelationshipTableModel model = (ObjRelationshipTableModel) table.getModel();
339 model.fireTableDataChanged();
340 }
341
342 protected void rebuildTable(ObjEntity entity) {
343 final ObjRelationshipTableModel model = new ObjRelationshipTableModel(
344 entity,
345 mediator,
346 this);
347
348 model.addTableModelListener(new TableModelListener () {
349
350 public void tableChanged(TableModelEvent e) {
351 if (table.getSelectedRow() >= 0) {
352 ObjRelationship rel = model.getRelationship(table.getSelectedRow());
353 if (rel.getTargetEntity() != null
354 && ((ObjEntity) rel.getSourceEntity()).getDbEntity() != null
355 && ((ObjEntity) rel.getTargetEntity()).getDbEntity() != null) {
356 resolve.setEnabled(true);
357 }
358 else
359 resolve.setEnabled(false);
360 }
361 }
362 });
363
364 table.setModel(model);
365 table.setRowHeight(25);
366 table.setRowMargin(3);
367
368 TableColumn lockColumn = table.getColumnModel().getColumn(
369 ObjRelationshipTableModel.REL_LOCKING);
370 lockColumn.setMinWidth(100);
371
372 TableColumn col = table.getColumnModel().getColumn(
373 ObjRelationshipTableModel.REL_NAME);
374 col.setMinWidth(150);
375
376 col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_TARGET);
377 col.setMinWidth(150);
378 JComboBox targetCombo = CayenneWidgetFactory.createComboBox(
379 createObjEntityComboModel(),
380 false);
381 targetCombo.setRenderer(CellRenderers.entityListRendererWithIcons(entity
382 .getDataMap()));
383 targetCombo.setEditable(false);
384 targetCombo.setSelectedIndex(-1);
385 DefaultCellEditor editor = new DefaultCellEditor (targetCombo);
386 editor.setClickCountToStart(1);
387 col.setCellEditor(editor);
388
389 col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_CARDINALITY);
390 col.setMinWidth(150);
391
392 col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_DELETERULE);
393 col.setMinWidth(60);
394 JComboBox deleteRulesCombo = CayenneWidgetFactory.createComboBox(
395 deleteRules,
396 false);
397 deleteRulesCombo.setEditable(false);
398 deleteRulesCombo.setSelectedIndex(0); editor = new DefaultCellEditor (deleteRulesCombo);
400 editor.setClickCountToStart(1);
401 col.setCellEditor(editor);
402 }
403
404 class EntityRenderer extends StringRenderer {
405
406 public Component getTableCellRendererComponent(
407 JTable table,
408 Object value,
409 boolean isSelected,
410 boolean hasFocus,
411 int row,
412 int column) {
413
414 if (value instanceof MapObject) {
415 MapObject mapObject = (MapObject) value;
416 String label = mapObject.getName();
417
418 if (mapObject instanceof Entity) {
419 Entity entity = (Entity) mapObject;
420
421 DataMap dataMap = entity.getDataMap();
423 if (dataMap != null && dataMap != mediator.getCurrentDataMap()) {
424 label += " (" + dataMap.getName() + ")";
425 }
426 }
427
428 value = label;
429 }
430
431 return super.getTableCellRendererComponent(
432 table,
433 value,
434 isSelected,
435 hasFocus,
436 row,
437 column);
438 }
439 }
440
441 class StringRenderer extends DefaultTableCellRenderer {
442
443 public Component getTableCellRendererComponent(
444 JTable table,
445 Object value,
446 boolean isSelected,
447 boolean hasFocus,
448 int row,
449 int column) {
450
451 super.getTableCellRendererComponent(
452 table,
453 value,
454 isSelected,
455 hasFocus,
456 row,
457 column);
458
459 ObjRelationshipTableModel model = (ObjRelationshipTableModel) table
460 .getModel();
461 ObjRelationship relationship = model.getRelationship(row);
462
463 if (relationship != null
464 && relationship.getSourceEntity() != model.getEntity()) {
465 setForeground(Color.GRAY);
466 }
467 else {
468 setForeground(isSelected && !hasFocus
469 ? table.getSelectionForeground()
470 : table.getForeground());
471 }
472
473 return this;
474 }
475 }
476 } |
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