case-study/jdt-before/ui/org/eclipse/jdt/ui/actions/FindImplementorsInProjectAction.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 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.IJavaElement;
  17 import org.eclipse.jdt.core.JavaModelException;
  18 import org.eclipse.jdt.core.search.IJavaSearchScope;
  19
  20 import org.eclipse.jdt.ui.search.ElementQuerySpecification;
  21 import org.eclipse.jdt.ui.search.QuerySpecification;
  22
  23 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
  24 import org.eclipse.jdt.internal.ui.JavaPluginImages;
  25 import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
  26 import org.eclipse.jdt.internal.ui.search.JavaSearchScopeFactory;
  27 import org.eclipse.jdt.internal.ui.search.SearchMessages;
  28
  29 /**
  30  * Finds implementors of the selected element in the enclosing project.
  31  * The action is applicable to selections representing a Java interface.
  32  *
  33  * <p>
  34  * This class may be instantiated; it is not intended to be subclassed.
  35  * </p>
  36  *
  37  * @since 3.0
  38  *
  39  * @noextend This class is not intended to be subclassed by clients.
  40  */
  41 public class FindImplementorsInProjectAction extends FindImplementorsAction {
  42
  43         /**
  44          * Creates a new <code>FindImplementorsInProjectAction</code>. The action
  45          * requires that the selection provided by the site's selection provider is of type
  46          * <code>IStructuredSelection</code>.
  47          *
  48          * @param site the site providing context information for this action
  49          */
  50         public FindImplementorsInProjectAction(IWorkbenchSite site) {
  51                 super(site);
  52         }
  53
  54         /**
  55          * Note: This constructor is for internal use only. Clients should not call this constructor.
  56          * @param editor the Java editor
  57          *
  58          * @noreference This constructor is not intended to be referenced by clients.
  59          */
  60         public FindImplementorsInProjectAction(JavaEditor editor) {
  61                 super(editor);
  62         }
  63
  64         @Override
  65         void init() {
  66                 setText(SearchMessages.Search_FindImplementorsInProjectAction_label);
  67                 setToolTipText(SearchMessages.Search_FindImplementorsInProjectAction_tooltip);
  68                 setImageDescriptor(JavaPluginImages.DESC_OBJS_SEARCH_DECL);
  69                 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.FIND_IMPLEMENTORS_IN_PROJECT_ACTION);
  70         }
  71
  72         @Override
  73         QuerySpecification createQuery(IJavaElement element) throws JavaModelException {
  74                 JavaSearchScopeFactory factory= JavaSearchScopeFactory.getInstance();
  75                 JavaEditor editor= getEditor();
  76
  77                 IJavaSearchScope scope;
  78                 String description;
  79                 boolean isInsideJRE= factory.isInsideJRE(element);
  80                 if (editor != null) {
  81                         scope= factory.createJavaProjectSearchScope(editor.getEditorInput(), isInsideJRE);
  82                         description= factory.getProjectScopeDescription(editor.getEditorInput(), isInsideJRE);
  83                 } else {
  84                         scope= factory.createJavaProjectSearchScope(element.getJavaProject(), isInsideJRE);
  85                         description=  factory.getProjectScopeDescription(element.getJavaProject(), isInsideJRE);
  86                 }
  87                 return new ElementQuerySpecification(element, getLimitTo(), scope, description);
  88         }
  89 }