/*******************************************************************************
* Copyright (c) 2005, 2009 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
* Bjorn Freeman-Benson - initial API and implementation
* Wind River Systems - adopted to use with DSF
*******************************************************************************/
package org.eclipse.cdt.examples.dsf.pda.ui.editor;
import java.util.Iterator;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.IAnnotationHover;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.ISourceViewer;
/**
* Returns hover for breakpoints.
* <p>
* This class is identical to the corresponding in PDA debugger implemented in
* org.eclipse.debug.examples.ui.
* </p>
*/
public class AnnotationHover implements IAnnotationHover {
public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) {
IAnnotationModel annotationModel = sourceViewer.getAnnotationModel();
Iterator<?> iterator = annotationModel.getAnnotationIterator();
while (iterator.hasNext()) {
Annotation annotation = (Annotation) iterator.next();
Position position = annotationModel.getPosition(annotation);
try {
int lineOfAnnotation = sourceViewer.getDocument().getLineOfOffset(position.getOffset());
if (lineNumber == lineOfAnnotation) {
return annotation.getText();
}
} catch (BadLocationException e) {
}
}
return null;
}
}