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/*******************************************************************************
* Copyright (c) 2004 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.cleanup;
import org.eclipse.wst.css.core.internal.format.CSSSourceFormatter;
import org.eclipse.wst.css.core.internal.provisional.adapters.IStyleSheetAdapter;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
import org.eclipse.wst.sse.core.INodeAdapter;
import org.eclipse.wst.sse.core.INodeNotifier;
import org.eclipse.wst.sse.core.text.IStructuredDocument;
import org.eclipse.wst.xml.core.document.IDOMModel;
import org.eclipse.wst.xml.core.document.IDOMNode;
import org.w3c.dom.Node;
// nakamori_TODO: check and remove
public class CSSTextNodeCleanupHandler extends AbstractNodeCleanupHandler {
public Node cleanup(Node node) {
if (node == null)
return node;
IDOMModel model = ((IDOMNode) node).getModel();
if (model == null)
return node;
IStructuredDocument structuredDocument = model.getStructuredDocument();
if (structuredDocument == null)
return node;
String content = getCSSContent(node);
if (content == null)
return node;
int offset = ((IDOMNode) node).getStartOffset();
int length = ((IDOMNode) node).getEndOffset() - offset;
replaceSource(model, this, offset, length, content);
return (IDOMNode) model.getIndexedRegion(offset);
}
/**
*/
private String getCSSContent(Node text) {
ICSSModel model = getCSSModel(text);
if (model == null)
return null;
ICSSNode document = model.getDocument();
if (document == null)
return null;
INodeNotifier notifier = (INodeNotifier) document;
INodeAdapter adapter = notifier.getAdapterFor(CSSSourceFormatter.class);
if (adapter == null)
return null;
CSSSourceFormatter formatter = (CSSSourceFormatter) adapter;
StringBuffer buffer = formatter.cleanup(document);
if (buffer == null)
return null;
return buffer.toString();
}
/**
*/
private ICSSModel getCSSModel(Node text) {
if (text == null)
return null;
INodeNotifier notifier = (INodeNotifier) text.getParentNode();
if (notifier == null)
return null;
INodeAdapter adapter = notifier.getAdapterFor(IStyleSheetAdapter.class);
if (adapter == null)
return null;
if (!(adapter instanceof IStyleSheetAdapter))
return null;
IStyleSheetAdapter styleAdapter = (IStyleSheetAdapter) adapter;
return styleAdapter.getModel();
}
}
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