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/*****************************************************************************
* Copyright (c) 2013 Ken Gilmer, Intel Corporation
* 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:
* Ken Gilmer - initial API and implementation
* Ioana Grigoropol (Intel) - adapt class for remote support
*******************************************************************************/
package org.yocto.bc.ui.editors.bitbake;
import java.net.URI;
import java.net.URISyntaxException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.jface.text.rules.IPredicateRule;
import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.rse.core.model.IHost;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.editors.text.FileDocumentProvider;
import org.yocto.remote.utils.RemoteHelper;
/**
* Document provider for BB recipe.
* @author kgilmer
*
*/
public class BitBakeDocumentProvider extends FileDocumentProvider {
/**
* The recipe partitioning. It contains two partition types: {@link #RECIPE_CODE} and
* {@link #RECIPE_COMMENT}.
*/
public static final String RECIPE_PARTITIONING= "org.recipeeditor.recipepartitioning"; //$NON-NLS-1$
public static final String RECIPE_CODE= IDocument.DEFAULT_CONTENT_TYPE;
public static final String RECIPE_COMMENT= "RECIPE_COMMENT"; //$NON-NLS-1$
private IHost connection;
private final BitBakeSourceViewerConfiguration viewerConfiguration;
private static final String[] CONTENT_TYPES= {
RECIPE_CODE,
RECIPE_COMMENT
};
public BitBakeDocumentProvider(BitBakeSourceViewerConfiguration viewerConfiguration) {
this.viewerConfiguration = viewerConfiguration;
}
private IDocumentPartitioner createRecipePartitioner() {
IPredicateRule[] rules= { new SingleLineRule("#", null, new Token(RECIPE_COMMENT), (char) 0, true, false) }; //$NON-NLS-1$
RuleBasedPartitionScanner scanner= new RuleBasedPartitionScanner();
scanner.setPredicateRules(rules);
return new FastPartitioner(scanner, CONTENT_TYPES);
}
@Override
protected void setupDocument(Object element,IDocument document) {
if (document instanceof IDocumentExtension3) {
IDocumentExtension3 ext= (IDocumentExtension3) document;
IDocumentPartitioner partitioner= createRecipePartitioner();
ext.setDocumentPartitioner(RECIPE_PARTITIONING, partitioner);
partitioner.connect(document);
}
}
@Override
public boolean isDeleted(Object element) {
if (element instanceof IFileEditorInput) {
IFileEditorInput input= (IFileEditorInput) element;
URI root = viewerConfiguration.getBBSession().getProjInfoRoot();
String relPath = input.getFile().getProjectRelativePath().toPortableString();
try {
URI fileURI = new URI(root.getScheme(), root.getHost(), root.getPath() + "/" + relPath, root.getFragment());
if (connection == null)
connection = viewerConfiguration.getBBSession().getProjectInfo().getConnection();
return !RemoteHelper.fileExistsRemote(connection, new NullProgressMonitor(), fileURI.getPath());
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
return super.isDeleted(element);
}
public void setActiveConnection(IHost connection) {
this.connection = connection;
}
}
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