org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/FindAction.java

   1 /*******************************************************************************
   2  * Copyright (c) 2004, 2009 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 Corp. - Rational Software - initial implementation
  10  *     Sergey Prigogin (Google)
  11  *******************************************************************************/
  12 package org.eclipse.cdt.internal.ui.search.actions;
  13
  14 import org.eclipse.jface.text.IDocument;
  15 import org.eclipse.jface.text.IRegion;
  16 import org.eclipse.jface.text.ITextSelection;
  17 import org.eclipse.jface.text.TextSelection;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.IStructuredSelection;
  20 import org.eclipse.search.ui.ISearchQuery;
  21 import org.eclipse.search.ui.NewSearchUI;
  22 import org.eclipse.ui.IWorkbenchSite;
  23
  24 import org.eclipse.cdt.core.model.ICElement;
  25 import org.eclipse.cdt.core.model.ISourceReference;
  26 import org.eclipse.cdt.core.model.ITranslationUnit;
  27
  28 import org.eclipse.cdt.internal.ui.editor.CEditor;
  29 import org.eclipse.cdt.internal.ui.search.CSearchMessages;
  30 import org.eclipse.cdt.internal.ui.search.PDOMSearchElementQuery;
  31 import org.eclipse.cdt.internal.ui.search.PDOMSearchQuery;
  32 import org.eclipse.cdt.internal.ui.search.PDOMSearchTextSelectionQuery;
  33 import org.eclipse.cdt.internal.ui.text.CWordFinder;
  34
  35
  36 public abstract class FindAction extends SelectionParseAction {
  37         public FindAction(CEditor editor){
  38                 super(editor);
  39         }
  40
  41         public FindAction(IWorkbenchSite site){
  42                 super(site);
  43         }
  44
  45         @Override
  46         public void run() {
  47                 ISearchQuery searchJob = null;
  48
  49                 ISelection selection = getSelection();
  50                 if (selection instanceof IStructuredSelection) {
  51                         Object object = ((IStructuredSelection) selection).getFirstElement();
  52                         if (object instanceof ISourceReference)
  53                                 searchJob = createQuery((ISourceReference) object);
  54                 } else if (selection instanceof ITextSelection) {
  55                         ITextSelection selNode = (ITextSelection) selection;
  56                         ICElement element = fEditor.getInputCElement();
  57                         while (element != null && !(element instanceof ITranslationUnit))
  58                                 element = element.getParent();
  59                         if (element != null) {
  60                                 if (selNode.getLength() == 0) {
  61                                         IDocument document= fEditor.getDocumentProvider().getDocument(fEditor.getEditorInput());
  62                                         IRegion reg= CWordFinder.findWord(document, selNode.getOffset());
  63                                         selNode = new TextSelection(document, reg.getOffset(), reg.getLength());
  64                                 }
  65                                 searchJob = createQuery(element, selNode);
  66                         }
  67                 }
  68
  69                 if (searchJob == null) {
  70                         showStatusLineMessage(CSearchMessages.CSearchOperation_operationUnavailable_message);
  71                         return;
  72                 }
  73
  74         clearStatusLine();
  75                 NewSearchUI.activateSearchResultView();
  76                 NewSearchUI.runQueryInBackground(searchJob);
  77         }
  78
  79         protected PDOMSearchQuery createQuery(ISourceReference object) {
  80                 return new PDOMSearchElementQuery(getScope(), object, getLimitTo());
  81         }
  82
  83         protected PDOMSearchQuery createQuery(ICElement element, ITextSelection selNode) {
  84                 return new PDOMSearchTextSelectionQuery(getScope(),
  85                                 (ITranslationUnit) element, selNode, getLimitTo());
  86         }
  87
  88     abstract protected String getScopeDescription();
  89
  90         abstract protected ICElement[] getScope();
  91
  92         abstract protected int getLimitTo();
  93 }