/*******************************************************************************
* Copyright (c) 2004, 2007 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.core.internal.java;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jst.jsp.core.internal.modelhandler.ModelHandlerForJSP;
import org.eclipse.text.edits.CopySourceEdit;
import org.eclipse.text.edits.CopyTargetEdit;
import org.eclipse.text.edits.DeleteEdit;
import org.eclipse.text.edits.InsertEdit;
import org.eclipse.text.edits.MoveSourceEdit;
import org.eclipse.text.edits.MoveTargetEdit;
import org.eclipse.text.edits.MultiTextEdit;
import org.eclipse.text.edits.ReplaceEdit;
import org.eclipse.text.edits.TextEdit;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IModelManager;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
public class JSPTranslationUtil {
protected IDocument fDocument = null;
protected JSPTranslationExtension fTranslation = null;
public JSPTranslationUtil(IDocument document) {
fDocument = document;
}
public TextEdit translateTextEdit(TextEdit textEdit) {
TextEdit translatedTextEdit = null;
int javaOffset = textEdit.getOffset();
int jspOffset = getTranslation().getJspOffset(textEdit.getOffset());
int length = textEdit.getLength();
if (textEdit instanceof MultiTextEdit) {
translatedTextEdit = new MultiTextEdit();
TextEdit[] children = ((MultiTextEdit) textEdit).getChildren();
for (int i = 0; i < children.length; i++) {
TextEdit translatedChildTextEdit = translateTextEdit(children[i]);
if (translatedChildTextEdit != null)
((MultiTextEdit) translatedTextEdit).addChild(translatedChildTextEdit);
}
}
else if (textEdit instanceof ReplaceEdit) {
if (jspOffset == -1)
return null;
if (!getTranslation().javaSpansMultipleJspPartitions(javaOffset, length))
translatedTextEdit = new ReplaceEdit(jspOffset, length, ((ReplaceEdit) textEdit).getText());
}
else if (textEdit instanceof InsertEdit) {
translatedTextEdit = new InsertEdit(jspOffset, ((InsertEdit) textEdit).getText());
}
else if (textEdit instanceof DeleteEdit) {
translatedTextEdit = new DeleteEdit(jspOffset, length);
TextEdit[] children = ((DeleteEdit) textEdit).getChildren();
for (int i = 0; i < children.length; i++) {
TextEdit translatedChildTextEdit = translateTextEdit(children[i]);
if (translatedChildTextEdit != null)
((DeleteEdit) translatedTextEdit).addChild(translatedChildTextEdit);
}
}
else if (textEdit instanceof CopySourceEdit) {
translatedTextEdit = new CopySourceEdit(jspOffset, length);
((CopySourceEdit) translatedTextEdit).setTargetEdit(((CopySourceEdit) textEdit).getTargetEdit());
((CopySourceEdit) translatedTextEdit).setSourceModifier(((CopySourceEdit) textEdit).getSourceModifier());
}
else if (textEdit instanceof CopyTargetEdit) {
translatedTextEdit = new CopyTargetEdit(jspOffset);
((CopyTargetEdit) textEdit).getSourceEdit().setTargetEdit((CopyTargetEdit) translatedTextEdit);
}
else if (textEdit instanceof MoveSourceEdit) {
translatedTextEdit = new MoveSourceEdit(jspOffset, length);
((MoveSourceEdit) translatedTextEdit).setTargetEdit(((MoveSourceEdit) textEdit).getTargetEdit());
}
else if (textEdit instanceof MoveTargetEdit) {
translatedTextEdit = new MoveTargetEdit(jspOffset);
((MoveTargetEdit) textEdit).getSourceEdit().setTargetEdit((MoveTargetEdit) translatedTextEdit);
}
else {
System.out.println("Need to translate " + textEdit); //$NON-NLS-1$
}
return translatedTextEdit;
}
public JSPTranslationExtension getTranslation() {
if (fTranslation == null) {
IDOMModel xmlModel = (IDOMModel) getModelManager().getExistingModelForRead(fDocument);
ModelHandlerForJSP.ensureTranslationAdapterFactory(xmlModel);
try {
IDOMDocument xmlDoc = xmlModel.getDocument();
JSPTranslationAdapter translationAdapter = (JSPTranslationAdapter) xmlDoc.getAdapterFor(IJSPTranslation.class);
if (translationAdapter != null)
fTranslation = translationAdapter.getJSPTranslation();
}
finally {
if (xmlModel != null) {
xmlModel.releaseFromRead();
}
}
}
return fTranslation;
}
public ICompilationUnit getCompilationUnit() {
return getTranslation().getCompilationUnit();
}
protected IModelManager getModelManager() {
return StructuredModelManager.getModelManager();
}
}