| /******************************************************************************* |
| * Copyright (c) 2007, 2008 Oracle 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: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.taglibprocessing.attributevalues; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver; |
| import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.impl.StructuredDocumentContextResolverFactory; |
| import org.eclipse.jst.jsf.core.internal.JSFCorePlugin; |
| import org.eclipse.jst.jsf.metadataprocessors.AbstractRootTypeDescriptor; |
| import org.eclipse.jst.jsf.metadataprocessors.IMetaDataEnabledFeature; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IPossibleValue; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IPossibleValues; |
| import org.eclipse.jst.jsf.metadataprocessors.features.PossibleValue; |
| import org.eclipse.wst.css.core.internal.provisional.adapters.IStyleSheetListAdapter; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; |
| import org.eclipse.wst.css.core.internal.util.CSSClassTraverser; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.stylesheets.StyleSheetList; |
| |
| /** |
| * Represents a style class attribute type |
| * <p><b>Provisional API - subject to change</b></p> |
| */ |
| public class CSSClassType extends AbstractRootTypeDescriptor implements |
| IMetaDataEnabledFeature, IPossibleValues { |
| |
| private List<IPossibleValue> _pvs; |
| |
| public List<IPossibleValue> getPossibleValues() { |
| if (_pvs == null){ |
| IDOMContextResolver resolver = StructuredDocumentContextResolverFactory.getInstance().getDOMContextResolver(getStructuredDocumentContext()); |
| _pvs = getCSSClasses(resolver.getDOMDocument()); |
| } |
| return _pvs; |
| } |
| |
| private List<IPossibleValue> getCSSClasses(Document doc) { |
| List result = new ArrayList(); |
| String [] names = internalGetCSSClasses(doc); |
| for (int i=0;i<names.length;i++){ |
| IPossibleValue pv = new PossibleValue(names[i]); |
| result.add(pv); |
| } |
| return result; |
| } |
| |
| //code duplicated from pagedesigner CSSUtils. Uses internal CSSClassTraverser |
| private static String[] internalGetCSSClasses(Document doc) { |
| Collection c = Collections.EMPTY_SET; |
| if (doc instanceof INodeNotifier) { |
| IStyleSheetListAdapter adapter = (IStyleSheetListAdapter) ((INodeNotifier) doc) |
| .getAdapterFor(IStyleSheetListAdapter.class); |
| StyleSheetList ssl = (adapter == null ? null : adapter |
| .getStyleSheets()); |
| |
| CSSClassTraverser traverser = new CSSClassTraverser(); |
| if (ssl != null) { |
| for (int i = 0, numStyles = ssl.getLength(); i < numStyles; i++) { |
| // loop for styles (<style> and <link>) |
| org.w3c.dom.stylesheets.StyleSheet ss = ssl.item(i); |
| |
| try { |
| traverser.apply((ICSSNode) ss); |
| } catch (ClassCastException ex) { |
| JSFCorePlugin.log(ex, "Unable to cast to CSS style"); |
| } |
| } |
| c = traverser.getClassNames(); |
| } |
| } |
| String[] result = new String[c.size()]; |
| c.toArray(result); |
| return result; |
| } |
| } |