/*******************************************************************************
* Copyright (c) 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.sse.ui.internal.text;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.information.IInformationProvider;
import org.eclipse.jface.text.information.IInformationProviderExtension;
import org.eclipse.ui.texteditor.ITextEditor;
public class SourceInfoProvider implements IInformationProvider, IInformationProviderExtension {
private ITextEditor fEditor;
public SourceInfoProvider(ITextEditor editor) {
fEditor = editor;
}
public String getInformation(ITextViewer textViewer, IRegion subject) {
return getInformation2(textViewer, subject).toString();
}
public IRegion getSubject(ITextViewer textViewer, int offset) {
if (textViewer != null && fEditor != null) {
IRegion region= WordFinder.findWord(textViewer.getDocument(), offset);
if (region != null)
return region;
else
return new Region(offset, 0);
}
return null;
}
public Object getInformation2(ITextViewer textViewer, IRegion subject) {
if (fEditor == null)
return null;
Object selection = fEditor.getSelectionProvider().getSelection();
if (selection == null)
selection = new Object();
return selection;
}
}