/*******************************************************************************
* 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.jst.jsp.ui.internal.format;
import java.util.LinkedList;
import java.util.Map;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.ToolFactory;
import org.eclipse.jdt.core.formatter.CodeFormatter;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.TextUtilities;
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.jst.jsp.core.internal.Logger;
import org.eclipse.jst.jsp.core.internal.java.JSPTranslation;
import org.eclipse.jst.jsp.core.internal.java.JSPTranslationUtil;
import org.eclipse.text.edits.MalformedTreeException;
import org.eclipse.text.edits.TextEdit;
public class FormattingStrategyJSPJava extends ContextBasedFormattingStrategy {
/** Documents to be formatted by this strategy */
private final LinkedList fDocuments = new LinkedList();
/** Partitions to be formatted by this strategy */
private final LinkedList fPartitions = new LinkedList();
JSPTranslation translation = null;
/**
* Creates a new java formatting strategy.
*/
public FormattingStrategyJSPJava() {
super();
}
/*
* @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) {
try {
JSPTranslationUtil translationUtil = new JSPTranslationUtil(document);
ICompilationUnit cu = translationUtil.getCompilationUnit();
if (cu != null) {
String cuSource = cu.getSource();
TextEdit textEdit = formatString(CodeFormatter.K_COMPILATION_UNIT, cuSource, 0, TextUtilities.getDefaultLineDelimiter(document), getPreferences());
TextEdit jspEdit = translationUtil.getTranslation().getJspEdit(textEdit);
if (jspEdit != null && jspEdit.hasChildren())
jspEdit.apply(document);
}
}
catch (MalformedTreeException exception) {
Logger.logException(exception);
}
catch (BadLocationException exception) {
// Can only happen on concurrent document modification - log
// and bail out
Logger.logException(exception);
}
catch (JavaModelException exception) {
Logger.logException(exception);
}
}
}
/*
* @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));
}
/*
* @see org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy#formatterStops()
*/
public void formatterStops() {
super.formatterStops();
fPartitions.clear();
fDocuments.clear();
}
public TextEdit formatString(int kind, String string, int indentationLevel, String lineSeparator, Map options) {
return ToolFactory.createCodeFormatter(options).format(kind, string, 0, string.length(), indentationLevel, lineSeparator);
}
}