FindWriteReferencesInHierarchyAction


1   /*******************************************************************************
2    * Copyright (c) 2000, 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 API and implementation
10   *******************************************************************************/
11  package org.eclipse.jdt.ui.actions;
12  
13  import org.eclipse.ui.IWorkbenchSite;
14  import org.eclipse.ui.PlatformUI;
15  
16  import org.eclipse.jdt.core.IField;
17  import org.eclipse.jdt.core.ILocalVariable;
18  import org.eclipse.jdt.core.search.IJavaSearchConstants;
19  
20  import org.eclipse.jdt.internal.ui.JavaPluginImages;
21  import org.eclipse.jdt.internal.ui.search.SearchMessages;
22  import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
23  import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
24  
25  /**
26   * Finds field write accesses of the selected element in its hierarchy.
27   * The action is applicable to selections representing a Java field.
28   * 
29   * <p>
30   * This class may be instantiated; it is not intended to be subclassed.
31   * </p>
32   * 
33   * @since 2.0
34   */
35  public class FindWriteReferencesInHierarchyAction extends FindReferencesInHierarchyAction {
36  
37      /**
38       * Creates a new <code>FindWriteReferencesInHierarchyAction</code>. The action 
39       * requires that the selection provided by the site's selection provider is of type 
40       * <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
41       * 
42       * @param site the site providing context information for this action
43       */
44      public FindWriteReferencesInHierarchyAction(IWorkbenchSite site) {
45          super(site);
46      }
47  
48      /**
49       * Note: This constructor is for internal use only. Clients should not call this constructor.
50       * @param editor the Java editor
51       */
52      public FindWriteReferencesInHierarchyAction(JavaEditor editor) {
53          super(editor);
54      }
55      
56      Class  [] getValidTypes() {
57          return new Class  [] { IField.class, ILocalVariable.class };
58      }
59      
60      void init() {
61          setText(SearchMessages.Search_FindWriteReferencesInHierarchyAction_label); 
62          setToolTipText(SearchMessages.Search_FindWriteReferencesInHierarchyAction_tooltip); 
63          setImageDescriptor(JavaPluginImages.DESC_OBJS_SEARCH_REF);
64          PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.FIND_WRITE_REFERENCES_IN_HIERARCHY_ACTION);
65      }
66  
67      int getLimitTo() {
68          return IJavaSearchConstants.WRITE_ACCESSES;
69      }
70  
71      String   getOperationUnavailableMessage() {
72          return SearchMessages.JavaElementAction_operationUnavailable_field; 
73      }
74  }
75
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