| /******************************************************************************* |
| * 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(); |
| } |
| |
| } |