| /******************************************************************************* |
| * Copyright (c) 2004, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.html.core.internal.document; |
| |
| |
| |
| import org.eclipse.core.runtime.Preferences; |
| import org.eclipse.core.runtime.Preferences.PropertyChangeEvent; |
| import org.eclipse.wst.html.core.internal.HTMLCorePlugin; |
| import org.eclipse.wst.html.core.internal.preferences.HTMLCorePreferenceNames; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.xml.core.internal.document.DocumentTypeAdapter; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; |
| |
| /** |
| */ |
| public class HTMLDocumentTypeAdapterFactory implements INodeAdapterFactory { |
| |
| private static HTMLDocumentTypeAdapterFactory factory; |
| private static final CasePreferenceListener listener = new CasePreferenceListener(); |
| /** |
| * @deprecated The getInstance() factory method should be used; however, this has |
| * been left in place for legacy reasons |
| */ |
| public HTMLDocumentTypeAdapterFactory() { |
| } |
| |
| public static synchronized HTMLDocumentTypeAdapterFactory getInstance() { |
| if (factory == null) { |
| factory = new HTMLDocumentTypeAdapterFactory(); |
| } |
| return factory; |
| } |
| |
| /** |
| * Method that returns the adapter associated with the given object. It |
| * may be a singleton or not ... depending on the needs of the |
| * INodeAdapter ... but in general it is recommended for an adapter to be |
| * stateless, so the efficiencies of a singleton can be gained. |
| * |
| * The implementation of this method should call addAdapter on the adapted |
| * object with the correct instance of the adapter. |
| */ |
| public INodeAdapter adapt(INodeNotifier notifier) { |
| INodeAdapter result = null; |
| // only adapt IDOMDocument |
| if (notifier instanceof IDOMDocument) { |
| |
| // if already has an adapter, no need to recreate/initialize. |
| // Note: this means if "doctype" for DOM changes, |
| // theDocumentTypeAdatper for that DOM |
| // should be removed (and released) and it will be re-created next |
| // time required. |
| DocumentTypeAdapter oldAdapter = (DocumentTypeAdapter) notifier.getExistingAdapter(DocumentTypeAdapter.class); |
| if (oldAdapter != null) { |
| result = oldAdapter; |
| } |
| else { |
| |
| // if there already was an adapter |
| //if(fAdapter != null) |
| // fAdapter.release(); |
| |
| // note, the factory is included in this case to have a central place |
| // to come back to for case preferences. |
| result = new HTMLDocumentTypeAdapter((IDOMDocument) notifier, this); |
| notifier.addAdapter(result); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| */ |
| public int getAttrNameCase() { |
| return listener.getAttrNameCase(); |
| } |
| |
| /** |
| */ |
| public int getTagNameCase() { |
| return listener.getTagNameCase(); |
| } |
| |
| /** |
| */ |
| public boolean isFactoryForType(Object type) { |
| return (type == DocumentTypeAdapter.class); |
| } |
| |
| /** |
| */ |
| public void release() { |
| |
| } |
| |
| /** |
| * Overriding copy method |
| */ |
| public INodeAdapterFactory copy() { |
| return getInstance(); |
| } |
| |
| private static class CasePreferenceListener implements Preferences.IPropertyChangeListener { |
| |
| private Preferences preferences; |
| |
| private int tagNameCase = DocumentTypeAdapter.LOWER_CASE; |
| private int attrNameCase = DocumentTypeAdapter.LOWER_CASE; |
| |
| CasePreferenceListener() { |
| preferences = HTMLCorePlugin.getDefault().getPluginPreferences(); |
| if (preferences != null) { |
| updateCases(); |
| preferences.addPropertyChangeListener(this); |
| } |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event == null) |
| return; |
| String property = event.getProperty(); |
| if (property == null) |
| return; |
| |
| if (property.equals(HTMLCorePreferenceNames.TAG_NAME_CASE) || property.equals(HTMLCorePreferenceNames.ATTR_NAME_CASE)) { |
| updateCases(); |
| } |
| } |
| |
| public int getTagNameCase() { |
| return tagNameCase; |
| } |
| |
| public int getAttrNameCase() { |
| return attrNameCase; |
| } |
| |
| /** |
| */ |
| private void updateCases() { |
| tagNameCase = DocumentTypeAdapter.LOWER_CASE; |
| attrNameCase = DocumentTypeAdapter.LOWER_CASE; |
| |
| if (this.preferences == null) |
| return; |
| |
| tagNameCase = getCase(HTMLCorePreferenceNames.TAG_NAME_CASE); |
| attrNameCase = getCase(HTMLCorePreferenceNames.ATTR_NAME_CASE); |
| } |
| |
| private int getCase(String property) { |
| int result = DocumentTypeAdapter.LOWER_CASE; |
| if (preferences != null) { |
| if (preferences.getInt(property) == HTMLCorePreferenceNames.UPPER) |
| result = DocumentTypeAdapter.UPPER_CASE; |
| } |
| return result; |
| } |
| } |
| } |