/*******************************************************************************
* Copyright (c) 2000, 2006 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.make.internal.ui.text.makefile;
import org.eclipse.cdt.make.core.makefile.IMakefile;
import org.eclipse.cdt.make.internal.ui.MakeUIPlugin;
import org.eclipse.cdt.make.ui.IWorkingCopyManager;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.source.IAnnotationHover;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.ui.IEditorPart;
/**
* MakefileAnnotationHover
*
*/
public class MakefileAnnotationHover implements IAnnotationHover {
private IEditorPart fEditor;
/**
*
*/
public MakefileAnnotationHover(IEditorPart editor) {
fEditor = editor;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.source.IAnnotationHover#getHoverInfo(org.eclipse.jface.text.source.ISourceViewer,
* int)
*/
public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) {
IDocument document = sourceViewer.getDocument();
try {
IRegion info = document.getLineInformation(lineNumber);
String line = document.get(info.getOffset(), info.getLength());
int numberOfLines = document.getNumberOfLines();
while (line != null && line.endsWith("\\")) { //$NON-NLS-1$
line = line.substring(0, line.length() - 1);
lineNumber++;
if (lineNumber < numberOfLines) {
info = document.getLineInformation(lineNumber);
String l = document.get(info.getOffset(), info.getLength());
line += "\n" + l; //$NON-NLS-1$
}
}
if (line != null && line.indexOf('$') != -1 && line.length() > 1) {
IWorkingCopyManager fManager = MakeUIPlugin.getDefault().getWorkingCopyManager();
IMakefile makefile = fManager.getWorkingCopy(fEditor.getEditorInput());
line = makefile.expandString(line);
return line;
}
return line;
} catch (BadLocationException x) {
}
return null;
}
}