/*******************************************************************************
* 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.css.ui.internal.projection;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.wst.sse.ui.internal.projection.AbstractStructuredFoldingPosition;
import org.w3c.dom.css.CSSStyleRule;
/**
* An {@link AbstractStructuredFoldingPosition} used to cover CSS regions
*/
public class CSSRuleFoldingPosition extends AbstractStructuredFoldingPosition {
/**
* the region that will be folded
*/
private IndexedRegion fRegion;
/**
* Creates a folding position that covers {@link IndexedRegion}s in a CSS document
*
* @param region the {@link IndexedRegion} that this folding position covers
*/
public CSSRuleFoldingPosition(IndexedRegion region) {
super(region.getStartOffset(), region.getLength());
this.fRegion = region;
}
/**
* @see org.eclipse.wst.sse.ui.internal.projection.AbstractStructuredFoldingPosition#getStartOffset()
*/
protected int getStartOffset() {
int startOffset = fRegion.getStartOffset();
//so that multi-line CSS selector text does not get folded
if (this.fRegion instanceof CSSStyleRule) {
CSSStyleRule rule = (CSSStyleRule) this.fRegion;
startOffset += rule.getSelectorText().length();
}
return startOffset;
}
/**
* @see org.eclipse.wst.sse.ui.internal.projection.AbstractStructuredFoldingPosition#getEndOffset()
*/
protected int getEndOffset() {
return fRegion.getEndOffset();
}
}