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/*******************************************************************************
* Copyright (c) 2001, 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
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.sse.ui.internal.format;
import java.io.IOException;
import java.util.LinkedList;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.TypedPosition;
import org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy;
import org.eclipse.jface.text.formatter.FormattingContextProperties;
import org.eclipse.jface.text.formatter.IFormattingContext;
import org.eclipse.wst.sse.core.internal.format.IStructuredFormatProcessor;
import org.eclipse.wst.sse.ui.internal.Logger;
public class StructuredFormattingStrategy extends ContextBasedFormattingStrategy {
/** Documents to be formatted by this strategy */
private final LinkedList fDocuments = new LinkedList();
private IStructuredFormatProcessor fFormatProcessor;
/** Partitions to be formatted by this strategy */
private final LinkedList fPartitions = new LinkedList();
private IRegion fRegion;
/**
* @param formatProcessor
*/
public StructuredFormattingStrategy(IStructuredFormatProcessor formatProcessor) {
super();
fFormatProcessor = formatProcessor;
}
/*
* @see org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy#format()
*/
public void format() {
super.format();
final IDocument document = (IDocument) fDocuments.removeFirst();
final TypedPosition partition = (TypedPosition) fPartitions.removeFirst();
if (document != null && partition != null && fRegion != null && fFormatProcessor != null) {
try {
fFormatProcessor.formatDocument(document, fRegion.getOffset(), fRegion.getLength());
}
catch (IOException e) {
// log for now, unless we find reason not to
Logger.log(Logger.INFO, e.getMessage());
}
catch (CoreException e) {
// log for now, unless we find reason not to
Logger.log(Logger.INFO, e.getMessage());
}
}
}
/*
* @see org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy#formatterStarts(org.eclipse.jface.text.formatter.IFormattingContext)
*/
public void formatterStarts(final IFormattingContext context) {
super.formatterStarts(context);
fPartitions.addLast(context.getProperty(FormattingContextProperties.CONTEXT_PARTITION));
fDocuments.addLast(context.getProperty(FormattingContextProperties.CONTEXT_MEDIUM));
fRegion = (IRegion) context.getProperty(FormattingContextProperties.CONTEXT_REGION);
}
/*
* @see org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy#formatterStops()
*/
public void formatterStops() {
super.formatterStops();
fPartitions.clear();
fDocuments.clear();
}
}
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