/*******************************************************************************
* Copyright (c) 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
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.projection;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.ui.internal.projection.AbstractStructuredFoldingPosition;
/**
* Folds an XML element
*/
public class XMLElementFoldingPosition extends AbstractStructuredFoldingPosition {
/**
* The region representing the start of the folding region
*/
private IStructuredDocumentRegion fStartRegion;
/**
* The region representing the end of the folding region, or <code>null</code> if the entire
* folding region is represented by <code>fStartRegion</code>
*/
private IStructuredDocumentRegion fEndRegion;
/**
* <p>
* Used to represent a folding position that covers a single {@link IStructuredDocumentRegion}.
* </p>
*
* @param region the region that covers the entire position of the folding region
*/
public XMLElementFoldingPosition(IStructuredDocumentRegion region) {
super(region.getStartOffset(), region.getEndOffset() - region.getStartOffset());
this.fStartRegion = region;
this.fEndRegion = null;
}
/**
* <p>
* Used to represent a folding position that covers more then one
* {@link IStructuredDocumentRegion}.
* </p>
*
* @param startRegion the first region covered by this position
* @param endRegion the last region covered by this position
*/
public XMLElementFoldingPosition(IStructuredDocumentRegion startRegion,
IStructuredDocumentRegion endRegion) {
super(startRegion.getStartOffset(), endRegion.getEndOffset() - startRegion.getStartOffset());
this.fStartRegion = startRegion;
this.fEndRegion = endRegion;
}
/**
* @see org.eclipse.wst.sse.ui.internal.projection.AbstractStructuredFoldingPosition#getStartOffset()
*/
protected int getStartOffset() {
return fStartRegion.getStartOffset();
}
/**
* @see org.eclipse.wst.sse.ui.internal.projection.AbstractStructuredFoldingPosition#getEndOffset()
*/
protected int getEndOffset() {
int endOffset;
if (fEndRegion != null) {
endOffset = fEndRegion.getEndOffset();
} else {
endOffset = fStartRegion.getEndOffset();
}
return endOffset;
}
}