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56 package org.objectstyle.cayenne.modeler.editor;
57
58 import java.awt.BorderLayout  ;
59 import java.awt.Component ;
60 import java.awt.event.ActionEvent ;
61 import java.awt.event.ActionListener ;
62 import java.util.EventObject ;
63
64 import javax.swing.ComboBoxModel ;
65 import javax.swing.DefaultCellEditor ;
66 import javax.swing.DefaultComboBoxModel ;
67 import javax.swing.JButton ;
68 import javax.swing.JComboBox ;
69 import javax.swing.JPanel ;
70 import javax.swing.JTable ;
71 import javax.swing.JToolBar ;
72 import javax.swing.event.ChangeEvent ;
73 import javax.swing.event.ListSelectionEvent ;
74 import javax.swing.event.ListSelectionListener ;
75 import javax.swing.event.TableModelEvent ;
76 import javax.swing.event.TableModelListener ;
77 import javax.swing.table.DefaultTableCellRenderer ;
78 import javax.swing.table.TableColumn ;
79
80 import org.objectstyle.cayenne.map.DataMap;
81 import org.objectstyle.cayenne.map.DbEntity;
82 import org.objectstyle.cayenne.map.DbRelationship;
83 import org.objectstyle.cayenne.map.Entity;
84 import org.objectstyle.cayenne.map.MapObject;
85 import org.objectstyle.cayenne.map.event.DbEntityListener;
86 import org.objectstyle.cayenne.map.event.DbRelationshipListener;
87 import org.objectstyle.cayenne.map.event.EntityEvent;
88 import org.objectstyle.cayenne.map.event.RelationshipEvent;
89 import org.objectstyle.cayenne.modeler.Application;
90 import org.objectstyle.cayenne.modeler.ProjectController;
91 import org.objectstyle.cayenne.modeler.action.CreateRelationshipAction;
92 import org.objectstyle.cayenne.modeler.action.DbEntitySyncAction;
93 import org.objectstyle.cayenne.modeler.action.RemoveRelationshipAction;
94 import org.objectstyle.cayenne.modeler.dialog.ResolveDbRelationshipDialog;
95 import org.objectstyle.cayenne.modeler.event.DbEntityDisplayListener;
96 import org.objectstyle.cayenne.modeler.event.EntityDisplayEvent;
97 import org.objectstyle.cayenne.modeler.event.RelationshipDisplayEvent;
98 import org.objectstyle.cayenne.modeler.util.CayenneTable;
99 import org.objectstyle.cayenne.modeler.util.CayenneWidgetFactory;
100 import org.objectstyle.cayenne.modeler.util.CellRenderers;
101 import org.objectstyle.cayenne.modeler.util.ModelerUtil;
102 import org.objectstyle.cayenne.modeler.util.PanelFactory;
103 import org.objectstyle.cayenne.modeler.util.UIUtil;
104
105
111 public class DbEntityRelationshipTab extends JPanel implements ActionListener ,
112 DbEntityDisplayListener, DbEntityListener, DbRelationshipListener,
113 ExistingSelectionProcessor, ListSelectionListener , TableModelListener {
114
115 protected ProjectController mediator;
116 protected CayenneTable table;
117 protected JButton resolve;
118
119 public DbEntityRelationshipTab(ProjectController mediator) {
120 super();
121
122 this.mediator = mediator;
123 this.mediator.addDbEntityDisplayListener(this);
124 this.mediator.addDbEntityListener(this);
125 this.mediator.addDbRelationshipListener(this);
126
127 init();
128 resolve.addActionListener(this);
129 }
130
131 protected void init() {
132 this.setLayout(new BorderLayout ());
133
134 JToolBar toolBar = new JToolBar ();
135 Application app = Application.getInstance();
136 toolBar.add(app.getAction(CreateRelationshipAction.getActionName()).buildButton());
137 toolBar.add(app.getAction(DbEntitySyncAction.getActionName()).buildButton());
138
139 toolBar.addSeparator();
140
141 resolve = new JButton ();
142 resolve.setIcon(ModelerUtil.buildIcon("icon-info.gif"));
143 resolve.setToolTipText("Database Mapping");
144 toolBar.add(resolve);
145
146 toolBar.addSeparator();
147
148 toolBar.add(app.getAction(RemoveRelationshipAction.getActionName()).buildButton());
149 add(toolBar, BorderLayout.NORTH);
150
151 table = new CayenneTable();
152 table.setDefaultRenderer(DbEntity.class, new EntityRenderer());
153
154 add(PanelFactory.createTablePanel(table, null), BorderLayout.CENTER);
155 }
156
157 public void actionPerformed(ActionEvent e) {
158 Object src = e.getSource();
159 if (src == resolve) {
160 resolveRelationship();
161 }
162 }
163
164 public void valueChanged(ListSelectionEvent e) {
165 processExistingSelection(e);
166 }
167
168 public void tableChanged(TableModelEvent e) {
169 DbRelationship rel = null;
170 if (table.getSelectedRow() >= 0) {
171 DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
172 rel = model.getRelationship(table.getSelectedRow());
173 resolve.setEnabled(rel.getTargetEntity() != null);
174 }
175 }
176
177
180 public void selectRelationship(DbRelationship rel) {
181 if (rel == null) {
182 Application.getInstance().getAction(RemoveRelationshipAction.getActionName()).setEnabled(false);
183 return;
184 }
185 Application.getInstance().getAction(RemoveRelationshipAction.getActionName()).setEnabled(true);
187
188 DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
189 java.util.List rels = model.getObjectList();
190 int relPos = rels.indexOf(rel);
191 if (relPos >= 0) {
192 table.select(relPos);
193 }
194 }
195
196 public void processExistingSelection(EventObject e) {
197 if (e instanceof ChangeEvent ) {
198 table.clearSelection();
199 }
200 DbRelationship rel = null;
201 if (table.getSelectedRow() >= 0) {
202 DbRelationshipTableModel model;
203 model = (DbRelationshipTableModel) table.getModel();
204 rel = model.getRelationship(table.getSelectedRow());
205 resolve.setEnabled(rel.getTargetEntity() != null);
206
207 UIUtil.scrollToSelectedRow(table);
209 }
210 else
211 resolve.setEnabled(false);
212
213 RelationshipDisplayEvent ev = new RelationshipDisplayEvent(this, rel, mediator
214 .getCurrentDbEntity(), mediator.getCurrentDataMap(), mediator
215 .getCurrentDataDomain());
216
217 mediator.fireDbRelationshipDisplayEvent(ev);
218 }
219
220 private void resolveRelationship() {
221 int row = table.getSelectedRow();
222 if (row < 0) {
223 return;
224 }
225
226 DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
228 DbRelationship rel = model.getRelationship(row);
229 ResolveDbRelationshipDialog dialog = new ResolveDbRelationshipDialog(rel);
230 dialog.setVisible(true);
231 dialog.dispose();
232 }
233
234
235 public void currentDbEntityChanged(EntityDisplayEvent e) {
236 DbEntity entity = (DbEntity) e.getEntity();
237 if (entity != null && e.isEntityChanged()) {
238 rebuildTable(entity);
239 }
240
241 if (e.isUnselectAttributes()) {
244 table.clearSelection();
245 }
246 }
247
248 protected void rebuildTable(DbEntity entity) {
249 DbRelationshipTableModel model = new DbRelationshipTableModel(
250 entity,
251 mediator,
252 this);
253 model.addTableModelListener(this);
254 table.setModel(model);
255 table.setRowHeight(25);
256 table.setRowMargin(3);
257 TableColumn col = table.getColumnModel().getColumn(DbRelationshipTableModel.NAME);
258 col.setMinWidth(150);
259 col = table.getColumnModel().getColumn(DbRelationshipTableModel.TARGET);
260 col.setMinWidth(150);
261
262 JComboBox combo = CayenneWidgetFactory.createComboBox();
263 combo.setRenderer(CellRenderers.entityListRendererWithIcons(entity.getDataMap()));
264 combo.setModel(createComboModel());
265 combo.setEditable(false);
266 col.setCellEditor(new DefaultCellEditor (combo));
267 table.getSelectionModel().addListSelectionListener(this);
268 }
269
270 public void dbEntityChanged(EntityEvent e) {
271 }
272
273 public void dbEntityAdded(EntityEvent e) {
274 reloadEntityList(e);
275 }
276
277 public void dbEntityRemoved(EntityEvent e) {
278 reloadEntityList(e);
279 }
280
281 public void dbRelationshipChanged(RelationshipEvent e) {
282 if (e.getSource() != this) {
283 if (!(table.getModel() instanceof DbRelationshipTableModel)) {
284 rebuildTable((DbEntity) e.getEntity());
285 }
286
287 table.select(e.getRelationship());
288 DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
289 model.fireTableDataChanged();
290 }
291 }
292
293 public void dbRelationshipAdded(RelationshipEvent e) {
294 rebuildTable((DbEntity) e.getEntity());
295 table.select(e.getRelationship());
296 }
297
298 public void dbRelationshipRemoved(RelationshipEvent e) {
299 DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
300 int ind = model.getObjectList().indexOf(e.getRelationship());
301 model.removeRelationship(e.getRelationship());
302 table.select(ind);
303 }
304
305
309 private void reloadEntityList(EntityEvent e) {
310 if (e.getSource() == this)
311 return;
312 if (mediator.getCurrentDbEntity() == e.getEntity())
314 return;
315 if (mediator.getCurrentDbEntity() == null)
317 return;
318 TableColumn col = table.getColumnModel().getColumn(
319 DbRelationshipTableModel.TARGET);
320 DefaultCellEditor editor = (DefaultCellEditor ) col.getCellEditor();
321 JComboBox combo = (JComboBox ) editor.getComponent();
322 combo.setModel(createComboModel());
323
324 DbRelationshipTableModel model = (DbRelationshipTableModel) table.getModel();
325 model.fireTableDataChanged();
326 table.getSelectionModel().addListSelectionListener(this);
327 }
328
329
332 private ComboBoxModel createComboModel() {
333 DataMap map = mediator.getCurrentDataMap();
334 Object [] objects = map.getNamespace().getDbEntities().toArray();
335 return new DefaultComboBoxModel (objects);
336 }
337
338 class EntityRenderer extends DefaultTableCellRenderer {
339
340 public Component getTableCellRendererComponent(
341 JTable table,
342 Object value,
343 boolean isSelected,
344 boolean hasFocus,
345 int row,
346 int column) {
347
348 if (value instanceof MapObject) {
349 MapObject mapObject = (MapObject) value;
350 String label = mapObject.getName();
351
352 if (mapObject instanceof Entity) {
353 Entity entity = (Entity) mapObject;
354
355 DataMap dataMap = entity.getDataMap();
357 if (dataMap != null && dataMap != mediator.getCurrentDataMap()) {
358 label += " (" + dataMap.getName() + ")";
359 }
360 }
361
362 value = label;
363 }
364
365 super.getTableCellRendererComponent(
366 table,
367 value,
368 isSelected,
369 hasFocus,
370 row,
371 column);
372
373 return this;
374 }
375 }
376
377 } |
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