/*******************************************************************************
* Copyright (c) 2000, 2008 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.jsdt.internal.ui.preferences.cleanup;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.formatter.FormattingContextProperties;
import org.eclipse.jface.text.formatter.IContentFormatter;
import org.eclipse.jface.text.formatter.IContentFormatterExtension;
import org.eclipse.jface.text.formatter.IFormattingContext;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
import org.eclipse.wst.jsdt.internal.ui.IJavaStatusConstants;
import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
import org.eclipse.wst.jsdt.internal.ui.fix.ICleanUp;
import org.eclipse.wst.jsdt.internal.ui.fix.MultiFixMessages;
import org.eclipse.wst.jsdt.internal.ui.preferences.formatter.JavaPreview;
import org.eclipse.wst.jsdt.internal.ui.text.comment.CommentFormattingContext;
public class CleanUpPreview extends JavaPreview {
private ICleanUp[] fPreviewCleanUps;
private boolean fFormat;
public CleanUpPreview(Composite parent, ICleanUp[] cleanUps) {
super(JavaScriptCore.getDefaultOptions(), parent);
fPreviewCleanUps= cleanUps;
fFormat= false;
}
public void setCleanUps(ICleanUp[] fCleanUps) {
fPreviewCleanUps= fCleanUps;
}
public void setFormat(boolean enable) {
fFormat= enable;
}
/**
* {@inheritDoc}
*/
protected void doFormatPreview() {
StringBuffer buf= new StringBuffer();
for (int i= 0; i < fPreviewCleanUps.length; i++) {
buf.append(fPreviewCleanUps[i].getPreview());
buf.append("\n"); //$NON-NLS-1$
}
format(buf.toString());
}
private void format(String text) {
if (text == null) {
fPreviewDocument.set(""); //$NON-NLS-1$
return;
}
fPreviewDocument.set(text);
if (!fFormat)
return;
fSourceViewer.setRedraw(false);
final IFormattingContext context = new CommentFormattingContext();
try {
final IContentFormatter formatter = fViewerConfiguration.getContentFormatter(fSourceViewer);
if (formatter instanceof IContentFormatterExtension) {
final IContentFormatterExtension extension = (IContentFormatterExtension) formatter;
context.setProperty(FormattingContextProperties.CONTEXT_PREFERENCES, JavaScriptCore.getOptions());
context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.valueOf(true));
extension.format(fPreviewDocument, context);
} else
formatter.format(fPreviewDocument, new Region(0, fPreviewDocument.getLength()));
} catch (Exception e) {
final IStatus status= new Status(IStatus.ERROR, JavaScriptPlugin.getPluginId(), IJavaStatusConstants.INTERNAL_ERROR,
MultiFixMessages.CleanUpRefactoringWizard_formatterException_errorMessage, e);
JavaScriptPlugin.log(status);
} finally {
context.dispose();
fSourceViewer.setRedraw(true);
}
}
public void setWorkingValues(Map workingValues) {
//Don't change the formatter settings
}
}