/*******************************************************************************
* Copyright (c) 2004, 2005 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.html.core.internal.htmlcss;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.wst.css.core.internal.document.CSSModelImpl;
import org.eclipse.wst.css.core.internal.provisional.adapters.ICSSModelAdapter;
import org.eclipse.wst.css.core.internal.provisional.contenttype.ContentTypeIdForCSS;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.w3c.dom.Element;
/**
*/
public abstract class AbstractCSSModelAdapter implements ICSSModelAdapter {
private final static String CSS_ID = ContentTypeIdForCSS.ContentTypeID_CSS;
private Element element = null;
private ICSSModel model = null;
/**
*/
AbstractCSSModelAdapter() {
super();
}
/**
*/
protected ICSSModel createModel() {
// create embedded CSS model (not for external CSS)
if (getElement() == null)
return null;
IStructuredModel baseModel = ((IDOMNode) getElement()).getModel();
ICSSModel newModel = (ICSSModel) baseModel.getModelManager().createUnManagedStructuredModelFor(CSS_ID);
((CSSModelImpl) newModel).setOwnerDOMNode(getElement());
return newModel;
}
/**
*/
public Element getElement() {
return this.element;
}
/**
*/
protected ICSSModel getExistingModel() {
return this.model;
}
/**
*/
protected void notifyStyleChanged(Element target) {
INodeNotifier notifier = (INodeNotifier) target;
if (notifier == null)
return;
Collection adapters = notifier.getAdapters();
if (adapters == null)
return;
Iterator it = adapters.iterator();
if (it == null)
return;
while (it.hasNext()) {
INodeAdapter adapter = (INodeAdapter) it.next();
if (adapter instanceof StyleListener) {
StyleListener listener = (StyleListener) adapter;
listener.styleChanged();
}
}
}
/**
*/
void setElement(Element element) {
this.element = element;
}
/**
* check
* 1. If attributes of element is valid (type,rel ...)
* 2. If content model supports this element / attribute (future ?)
*/
protected boolean isValidAttribute() {
return (getElement() != null);
}
/**
*/
protected void setModel(ICSSModel model) {
this.model = model;
}
}