| /******************************************************************************* |
| * Copyright (c) 2010 Intalio, Inc. 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: |
| * David Carver (Intalio) - bug 256339 - initial API and implementation |
| * - bug 307924 - Fix NPE when textRegion is null. |
| *******************************************************************************/ |
| package org.eclipse.wst.xsl.ui.internal.style; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.Position; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList; |
| import org.eclipse.wst.sse.ui.ISemanticHighlighting; |
| import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; |
| |
| public class XSLTagDelimsSemanticHighlighting extends |
| AbstractXSLSemanticHighlighting implements ISemanticHighlighting { |
| |
| public XSLTagDelimsSemanticHighlighting() { |
| } |
| |
| public String getStylePreferenceKey() { |
| return IStyleConstantsXSL.TAG_BORDER; |
| } |
| |
| @Override |
| public String getEnabledPreferenceKey() { |
| return "xsl.ui.highlighting.tag.enabled"; //$NON-NLS-1$ |
| } |
| |
| public Position[] consumes(IStructuredDocumentRegion region) { |
| |
| List openPos = createSemanticPositions(region.getFirstRegion(), region, DOMRegionContext.XML_TAG_OPEN); |
| List endOpenPos = createSemanticPositions(region.getFirstRegion(), region, DOMRegionContext.XML_END_TAG_OPEN); |
| List emptyTagClose = createSemanticPositions(region, DOMRegionContext.XML_EMPTY_TAG_CLOSE); |
| List closePos = createSemanticPositions(region, DOMRegionContext.XML_TAG_CLOSE); |
| ArrayList arrpos = new ArrayList(); |
| arrpos.addAll(openPos); |
| arrpos.addAll(closePos); |
| arrpos.addAll(endOpenPos); |
| arrpos.addAll(emptyTagClose); |
| Position[] allPos = new Position[arrpos.size()]; |
| if (!arrpos.isEmpty()) { |
| arrpos.toArray(allPos); |
| } |
| return allPos; |
| } |
| |
| protected List createSemanticPositions(ITextRegion textRegion, IStructuredDocumentRegion region, String regionType) { |
| ArrayList arrpos = new ArrayList(); |
| if (textRegion == null) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| if (regionType.equals(textRegion.getType())) { |
| Position pos = new Position(region |
| .getStartOffset(textRegion), textRegion.getLength()); |
| arrpos.add(pos); |
| } |
| return arrpos; |
| } |
| |
| } |