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1
17 package org.eclipse.emf.ecore.sdo.action;
18
19
20 import java.io.PrintWriter  ;
21 import java.io.StringWriter ;
22 import java.lang.reflect.InvocationTargetException ;
23 import java.lang.reflect.Method ;
24 import java.math.BigDecimal ;
25 import java.math.BigInteger ;
26 import java.util.Date ;
27 import java.util.Iterator ;
28 import java.util.List ;
29
30 import org.eclipse.jface.action.IAction;
31 import org.eclipse.jface.dialogs.Dialog;
32 import org.eclipse.jface.dialogs.IDialogConstants;
33 import org.eclipse.jface.viewers.ISelection;
34 import org.eclipse.jface.viewers.IStructuredSelection;
35 import org.eclipse.swt.SWT;
36 import org.eclipse.swt.events.ModifyEvent;
37 import org.eclipse.swt.events.ModifyListener;
38 import org.eclipse.swt.layout.GridData;
39 import org.eclipse.swt.layout.GridLayout;
40 import org.eclipse.swt.widgets.Combo;
41 import org.eclipse.swt.widgets.Composite;
42 import org.eclipse.swt.widgets.Control;
43 import org.eclipse.swt.widgets.Label;
44 import org.eclipse.swt.widgets.Shell;
45 import org.eclipse.swt.widgets.Text;
46 import org.eclipse.ui.IActionDelegate;
47 import org.eclipse.ui.PlatformUI;
48 import org.eclipse.ui.actions.ActionDelegate;
49
50 import org.eclipse.emf.ecore.EDataType;
51 import org.eclipse.emf.ecore.EcorePackage;
52 import org.eclipse.emf.ecore.sdo.EDataObject;
53 import org.eclipse.emf.ecore.sdo.SDOPackage;
54 import org.eclipse.emf.ecore.sdo.presentation.SDOEditorPlugin;
55 import org.eclipse.emf.ecore.util.EcoreUtil;
56
57 import commonj.sdo.DataObject;
58 import commonj.sdo.Sequence;
59
60
61
64 public class EvaluatePathAction
65 extends ActionDelegate
66 implements IActionDelegate
67 {
68 protected EDataObject eDataObject;
69
70 public EvaluatePathAction()
71 {
72 }
73
74 public void run(IAction action)
75 {
76 EvaluationDialog dialog = new EvaluationDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), eDataObject);
77 dialog.open();
78 }
79
80 public void selectionChanged(IAction action, ISelection selection)
81 {
82 if (selection instanceof IStructuredSelection)
83 {
84 Object object = ((IStructuredSelection)selection).getFirstElement();
85 if (object instanceof EDataObject)
86 {
87 eDataObject = (EDataObject)object;
88
89 action.setEnabled(true);
90 return;
91 }
92 }
93 eDataObject = null;
94 action.setEnabled(false);
95 }
96
97 public static class EvaluationDialog extends Dialog
98 {
99 protected static final Object [][] TYPE_DATA =
100 {
101 new Object [] { "BigDecimal", Boolean.FALSE, BigDecimal .class, EcorePackage.eINSTANCE.getEBigDecimal() },
102 new Object [] { "BigInteger", Boolean.FALSE, BigInteger .class, EcorePackage.eINSTANCE.getEBigInteger() },
103 new Object [] { "Boolean", Boolean.FALSE, Boolean.TYPE, EcorePackage.eINSTANCE.getEBoolean() },
104 new Object [] { "Byte", Boolean.FALSE, Byte.TYPE, EcorePackage.eINSTANCE.getEByte() },
105 new Object [] { "Bytes", Boolean.FALSE, byte[].class, EcorePackage.eINSTANCE.getEByteArray() },
106 new Object [] { "Char", Boolean.FALSE, Character.TYPE, EcorePackage.eINSTANCE.getEChar() },
107 new Object [] { "DataObject", Boolean.FALSE, DataObject.class, SDOPackage.eINSTANCE.getDataObject() },
108 new Object [] { "Date", Boolean.FALSE, Date .class, EcorePackage.eINSTANCE.getEDate() },
109 new Object [] { "Double", Boolean.FALSE, Double.TYPE, EcorePackage.eINSTANCE.getEDouble() },
110 new Object [] { "Float", Boolean.FALSE, Float.TYPE, EcorePackage.eINSTANCE.getEFloat() },
111 new Object [] { "Int", Boolean.FALSE, Integer.TYPE, EcorePackage.eINSTANCE.getEInt() },
112 new Object [] { "List", Boolean.FALSE, List .class, EcorePackage.eINSTANCE.getEJavaObject() },
113 new Object [] { "Long", Boolean.FALSE, Long.TYPE, EcorePackage.eINSTANCE.getELong() },
114 new Object [] { "Object", Boolean.TRUE, Object .class, EcorePackage.eINSTANCE.getEJavaObject() },
115 new Object [] { "Sequence", Boolean.FALSE, Sequence.class, SDOPackage.eINSTANCE.getSequence() },
116 new Object [] { "Short", Boolean.FALSE, Short.TYPE, EcorePackage.eINSTANCE.getEShort() },
117 new Object [] { "String", Boolean.FALSE, String .class, EcorePackage.eINSTANCE.getEString() }
118 };
119
120 protected Method [][] methods = null;
121 protected EDataObject eDataObject;
122 protected Text pathText;
123 protected Text resultText;
124 protected Combo valueText;
125 protected Combo operationChoice;
126 protected Combo typeChoice;
127
128 public EvaluationDialog(Shell shell, EDataObject eDataObject)
129 {
130 super(shell);
131 setShellStyle(SWT.RESIZE | SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
132 this.eDataObject = eDataObject;
133
134 try
135 {
136 methods = new Method [TYPE_DATA.length][];
137 for (int i = 0; i < TYPE_DATA.length; ++i)
138 {
139 methods[i] =
140 new Method []
141 {
142 EDataObject.class.getMethod
143 ("get" + (TYPE_DATA[i][1] == Boolean.TRUE ? "" : TYPE_DATA[i][0]), new Class [] { String .class }),
144 "Sequence".equals(TYPE_DATA[i][0]) ?
145 null :
146 EDataObject.class.getMethod
147 ("set" + (TYPE_DATA[i][1] == Boolean.TRUE ? "" : TYPE_DATA[i][0]), new Class [] { String .class, (Class )TYPE_DATA[i][2] }),
148 };
149 }
150 }
151 catch (NoSuchMethodException exception)
152 {
153 exception.printStackTrace();
154 }
155 }
156
157 protected void configureShell(Shell newShell)
158 {
159 super.configureShell(newShell);
160 newShell.setText
161 (SDOEditorPlugin.INSTANCE.getString
162 ("_UI_PathEvaluation_title", new Object [] { EcoreUtil.getURI(eDataObject).toString()}));
163 }
164
165 protected Control createDialogArea(Composite parent)
166 {
167 Composite composite = new Composite(parent, SWT.NONE);
168
170 {
171 GridLayout layout = new GridLayout();
172 layout.numColumns = 1;
173 layout.verticalSpacing = 12;
174 composite.setLayout(layout);
175
176 GridData data = new GridData();
177 data.verticalAlignment = GridData.FILL;
178 data.grabExcessVerticalSpace = true;
179 data.horizontalAlignment = GridData.FILL;
180 data.grabExcessHorizontalSpace = true;
181 composite.setLayoutData(data);
182 }
183
184 Label pathLabel = new Label(composite, SWT.LEFT);
185 {
186 pathLabel.setText(SDOEditorPlugin.INSTANCE.getString("_UI_Path_label"));
187 GridData data = new GridData();
188 data.horizontalAlignment = GridData.FILL;
189 pathLabel.setLayoutData(data);
190 }
191
192 pathText = new Text(composite, SWT.SINGLE | SWT.BORDER);
193 {
194 GridData data = new GridData();
195 data.horizontalAlignment = GridData.FILL;
196 data.grabExcessHorizontalSpace = true;
197 pathText.setLayoutData(data);
198 }
199
200 pathText.addModifyListener
201 (new ModifyListener()
202 {
203 public void modifyText(ModifyEvent event)
204 {
205 resultText.setText("");
206 }
207 });
208
209 Label operationLabel = new Label(composite, SWT.LEFT);
210 {
211 operationLabel.setText(SDOEditorPlugin.INSTANCE.getString("_UI_Operation_label"));
212 GridData data = new GridData();
213 data.horizontalAlignment = GridData.FILL;
214 operationLabel.setLayoutData(data);
215 }
216
217 operationChoice = new Combo(composite, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
218 {
219 GridData data = new GridData();
220 data.horizontalAlignment = GridData.FILL;
221 data.grabExcessHorizontalSpace = true;
222 operationChoice.setLayoutData(data);
223 }
224 operationChoice.add("get");
225 operationChoice.add("set");
226 operationChoice.add("isSet");
227 operationChoice.add("unset");
228 operationChoice.select(0);
229 operationChoice.addModifyListener
230 (new ModifyListener()
231 {
232 public void modifyText(ModifyEvent event)
233 {
234 resultText.setText("");
235 typeChoice.setEnabled(operationChoice.getSelectionIndex() == 0 || operationChoice.getSelectionIndex() == 1);
236 valueText.setEnabled(operationChoice.getSelectionIndex() == 1);
237 }
238 });
239
240 Label typeLabel = new Label(composite, SWT.LEFT);
241 {
242 typeLabel.setText(SDOEditorPlugin.INSTANCE.getString("_UI_Type_label"));
243 GridData data = new GridData();
244 data.horizontalAlignment = GridData.FILL;
245 typeLabel.setLayoutData(data);
246 }
247
248 typeChoice = new Combo(composite, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
249 {
250 GridData data = new GridData();
251 data.horizontalAlignment = GridData.FILL;
252 data.grabExcessHorizontalSpace = true;
253 typeChoice.setLayoutData(data);
254 }
255 for (int i = 0; i < TYPE_DATA.length; ++i)
256 {
257 typeChoice.add((String )TYPE_DATA[i][0]);
258 if (TYPE_DATA[i][1] == Boolean.TRUE)
259 {
260 typeChoice.select(i);
261 }
262 }
263 typeChoice.select(13);
264
265 Label valueLabel = new Label(composite, SWT.LEFT);
266 {
267 valueLabel.setText(SDOEditorPlugin.INSTANCE.getString("_UI_Value_label"));
268 GridData data = new GridData();
269 data.horizontalAlignment = GridData.FILL;
270 valueLabel.setLayoutData(data);
271 }
272
273 valueText = new Combo(composite, SWT.SINGLE | SWT.BORDER);
274 valueText.setEnabled(false);
275 {
276 GridData data = new GridData();
277 data.horizontalAlignment = GridData.FILL;
278 data.grabExcessHorizontalSpace = true;
279 valueText.setLayoutData(data);
280 }
281
282 Label resultLabel = new Label(composite, SWT.LEFT);
283 {
284 resultLabel.setText(SDOEditorPlugin.INSTANCE.getString("_UI_Result_label"));
285 GridData data = new GridData();
286 data.horizontalAlignment = GridData.FILL;
287 resultLabel.setLayoutData(data);
288 }
289
290 resultText = new Text(composite, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
291 {
292 GridData data = new GridData();
293 data.heightHint = 200;
294 data.horizontalAlignment = GridData.FILL;
295 data.grabExcessHorizontalSpace = true;
296 data.widthHint = 500;
297 data.verticalAlignment = GridData.FILL;
298 data.grabExcessVerticalSpace = true;
299 resultText.setLayoutData(data);
300 }
301 return composite;
302 }
303
304 protected void createButtonsForButtonBar(Composite parent)
305 {
306 createButton(parent, IDialogConstants.CLIENT_ID + 1, "Evaluate", true);
307 createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, false);
308 createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
309 }
310
311 protected void buttonPressed(int buttonID)
312 {
313 super.buttonPressed(buttonID);
314 if (buttonID == IDialogConstants.CLIENT_ID + 1)
315 {
316 pathText.setFocus();
317 evaluate();
318 }
319 }
320
321 protected void evaluate()
322 {
323 try
324 {
325 Object result = null;
326 switch (operationChoice.getSelectionIndex())
327 {
328 case 0:
329 {
330 result =
331 methods[typeChoice.getSelectionIndex()][0].invoke
332 (eDataObject, new Object [] { pathText.getText() });
333 break;
334 }
335 case 1:
336 {
337 if (TYPE_DATA[typeChoice.getSelectionIndex()][3] instanceof EDataType)
338 {
339 EDataType eDataType = (EDataType)TYPE_DATA[typeChoice.getSelectionIndex()][3];
340 if (eDataType.isSerializable())
341 {
342 result = EcoreUtil.createFromString(eDataType, valueText.getText());
343 }
344 else
345 {
346 result = valueText.getText();
347 }
348 }
349
350 methods[typeChoice.getSelectionIndex()][1].invoke
351 (eDataObject, new Object [] { pathText.getText(), result });
352 break;
353 }
354 case 2:
355 {
356 result = eDataObject.isSet(pathText.getText()) ? Boolean. TRUE : Boolean.FALSE;
357 break;
358 }
359 case 3:
360 {
361 eDataObject.unset(pathText.getText());
362 break;
363 }
364 }
365
366 if (result == null)
367 {
368 resultText.setText("null");
369 }
370 else if (TYPE_DATA[typeChoice.getSelectionIndex()][3] instanceof EDataType)
371 {
372 EDataType eDataType = (EDataType)TYPE_DATA[typeChoice.getSelectionIndex()][3];
373 if (eDataType.isSerializable())
374 {
375 resultText.setText(EcoreUtil.convertToString(eDataType, result));
376 }
377 else if (result instanceof List )
378 {
379 StringBuffer text = new StringBuffer ();
380 for (Iterator i = ((List )result).iterator(); i.hasNext(); )
381 {
382 text.append(i.next());
383 text.append("\n");
384 }
385 resultText.setText(text.toString());
386 }
387 else
388 {
389 resultText.setText(result.toString());
390 }
391 }
392 else
393 {
394 resultText.setText(result.toString());
395 }
396 }
397 catch (InvocationTargetException exception)
398 {
399 StringWriter writer = new StringWriter ();
400 exception.getTargetException().printStackTrace(new PrintWriter (writer));
401 resultText.setText(writer.getBuffer().toString());
402 }
403 catch (Exception exception)
404 {
405 StringWriter writer = new StringWriter ();
406 exception.printStackTrace(new PrintWriter (writer));
407 resultText.setText(writer.getBuffer().toString());
408 }
409 }
410 }
411 }
412 |
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