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/*******************************************************************************
* Copyright (c) 2008 Nokia and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Nokia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.actions;
import java.util.ResourceBundle;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.texteditor.FindNextAction;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.TextEditorAction;
import org.eclipse.cdt.internal.ui.text.CWordFinder;
/**
* Select the word at current cursor location and find the next occurrence.
*/
public class FindWordAction extends TextEditorAction {
public static final String FIND_WORD = "FindWord"; //$NON-NLS-1$
private ITextViewer fViewer;
private FindNextAction fFindNext;
/**
* Creates new action.
*/
public FindWordAction(ResourceBundle bundle, String prefix, ITextEditor editor, ITextViewer viewer) {
super(bundle, prefix, editor);
fViewer = viewer;
fFindNext = new FindNextAction(bundle, prefix, editor, true);
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
ITextEditor editor = getTextEditor();
if (editor == null )
return;
ISelectionProvider selectionProvider = editor.getSelectionProvider();
if (selectionProvider == null)
return;
ITextSelection selection = (ITextSelection) selectionProvider.getSelection();
if (selection == null || selection.isEmpty())
return;
IDocumentProvider docProvider = editor.getDocumentProvider();
IEditorInput input = editor.getEditorInput();
if (docProvider == null || input == null)
return;
IDocument document = docProvider.getDocument(input);
if (document == null)
return;
IResource resource = (IResource)(input).getAdapter(IResource.class);
if (resource == null || !(resource instanceof IFile))
return;
// find the word at current cursor location
int offset = selection.getOffset();
IRegion region = CWordFinder.findWord(document, offset);
if (region == null || region.getLength() == 0)
return;
// select the word and find next occurrence
fViewer.setSelectedRange(region.getOffset(), region.getLength());
fFindNext.run();
}
}
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