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/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Sergey Prigogin, Google
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.preferences.formatter;
import java.util.HashMap;
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.FormattingContext;
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.cdt.core.CCorePreferenceConstants;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.cdt.internal.ui.ICStatusConstants;
public class TranslationUnitPreview extends CPreview {
private String fPreviewText;
private int fPreviewTextOffset;
private String fFormatterId;
/**
* @param workingValues
* @param parent
*/
public TranslationUnitPreview(Map<String, String> workingValues, Composite parent) {
super(workingValues, parent);
}
@Override
protected void doFormatPreview() {
if (fPreviewText == null) {
fPreviewDocument.set(""); //$NON-NLS-1$
return;
}
fPreviewDocument.set(fPreviewText);
fSourceViewer.setVisibleRegion(fPreviewTextOffset, fPreviewText.length() - fPreviewTextOffset);
fSourceViewer.setRedraw(false);
final IFormattingContext context = new FormattingContext();
try {
final IContentFormatter formatter = fViewerConfiguration.getContentFormatter(fSourceViewer);
if (formatter instanceof IContentFormatterExtension) {
final IContentFormatterExtension extension = (IContentFormatterExtension) formatter;
Map<String, String> prefs= fWorkingValues;
if (fFormatterId != null) {
prefs= new HashMap<String, String>(fWorkingValues);
prefs.put(CCorePreferenceConstants.CODE_FORMATTER, fFormatterId);
}
context.setProperty(FormattingContextProperties.CONTEXT_PREFERENCES, prefs);
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, CUIPlugin.getPluginId(), ICStatusConstants.INTERNAL_ERROR,
FormatterMessages.CPreview_formatter_exception, e);
CUIPlugin.log(status);
} finally {
context.dispose();
fSourceViewer.setRedraw(true);
}
}
public void setPreviewText(String previewText) {
setPreviewText(previewText, 0);
}
public void setPreviewText(String previewText, int previewTextOffset) {
fPreviewText= previewText;
fPreviewTextOffset = previewTextOffset;
update();
}
/**
* @param formatterId
*/
public void setFormatterId(String formatterId) {
fFormatterId= formatterId;
}
}
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