/**
* Copyright (c) 2010, 2012 Darmstadt University of Technology.
* 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:
* Marcel Bruch - initial API and implementation.
*/
package org.eclipse.recommenders.completion.rcp;
import static java.text.MessageFormat.format;
import java.util.Set;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.recommenders.internal.completion.rcp.l10n.Messages;
import org.eclipse.ui.progress.UIJob;
import com.google.common.collect.Sets;
/**
* Disables a content assist category on the default (i.e., first) content assist list.
* <p>
* The update operation is performed on the UI thread to ensure that no running content assist session is interrupted.
*/
public class EnableContentAssistCategoryJob extends UIJob {
private final String categoryId;
/**
* @param categoryId
* the content assist category as specified in plugin.xml.
*/
public EnableContentAssistCategoryJob(String categoryId) {
super(format(Messages.JOB_ENABLING_CONTENT_ASSIST_CATEGORY, categoryId));
this.categoryId = categoryId;
setSystem(true);
}
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
String[] excluded = PreferenceConstants.getExcludedCompletionProposalCategories();
Set<String> cats = Sets.newHashSet(excluded);
cats.remove(categoryId);
String[] newExcluded = cats.toArray(new String[cats.size()]);
PreferenceConstants.setExcludedCompletionProposalCategories(newExcluded);
return Status.OK_STATUS;
}
}