JavaVariableValueEditor


1   /*******************************************************************************
2    * Copyright (c) 2004, 2005 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    * 
8    * Contributors:
9    *     IBM Corporation - initial implementation
10   *******************************************************************************/
11  package org.eclipse.jdt.internal.debug.ui.actions;
12  
13  import org.eclipse.debug.core.DebugException;
14  import org.eclipse.debug.core.model.IVariable;
15  import org.eclipse.debug.internal.ui.DebugUIPlugin;
16  import org.eclipse.debug.ui.actions.IVariableValueEditor;
17  import org.eclipse.jdt.debug.core.IJavaVariable;
18  import org.eclipse.jdt.internal.debug.ui.JDIModelPresentation;
19  import org.eclipse.swt.widgets.Shell;
20  
21  /**
22   * Variable editor that prompts the user to edit Java variables
23   */
24  public class JavaVariableValueEditor implements IVariableValueEditor {
25  
26      /* (non-Javadoc)
27       * @see org.eclipse.debug.ui.actions.IVariableValueEditor#editVariable(org.eclipse.debug.core.model.IVariable, org.eclipse.swt.widgets.Shell)
28       */
29      public boolean editVariable(IVariable variable, Shell shell) {
30          String   signature= null;
31          try {
32              signature= getSignature(variable);
33          } catch (DebugException e) {
34              DebugUIPlugin.errorDialog(shell, ActionMessages.JavaVariableValueEditor_0, ActionMessages.JavaVariableValueEditor_1, e); // 
35          }
36          if (signature == null) {
37              return false;
38          }
39          IVariableValueEditor editor;
40          if (JDIModelPresentation.isObjectValue(signature)) {
41              editor= new JavaObjectValueEditor();
42          } else {
43              // Primitive variable
44              editor= new JavaPrimitiveValueEditor(signature);
45          }
46          return editor.editVariable(variable, shell);
47      }
48  
49      /* (non-Javadoc)
50       * @see org.eclipse.debug.ui.actions.IVariableValueEditor#saveVariable(org.eclipse.debug.core.model.IVariable, java.lang.String, org.eclipse.swt.widgets.Shell)
51       */
52      public boolean saveVariable(IVariable variable, String   expression, Shell shell) {
53          try {
54              if (JDIModelPresentation.isObjectValue(getSignature(variable))) {
55                  IVariableValueEditor editor= new JavaObjectValueEditor();
56                  return editor.saveVariable(variable, expression, shell);
57              }
58          } catch (DebugException e) {
59              DebugUIPlugin.errorDialog(shell, ActionMessages.JavaVariableValueEditor_0, ActionMessages.JavaVariableValueEditor_1, e); // 
60          }
61          return false;
62      }
63      
64      public static String   getSignature(IVariable variable) throws DebugException {
65          String   signature= null;
66          IJavaVariable javaVariable = (IJavaVariable) variable.getAdapter(IJavaVariable.class);
67          if (javaVariable != null) {
68                  signature = javaVariable.getSignature();
69          }
70          return signature;
71      }
72  
73  }
74
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