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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
* 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:
* CEA LIST - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.views.validation.internal.actions;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.infra.services.markerlistener.IPapyrusMarker;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
/**
* This is the AbstractMarkerAction type. Enjoy.
*/
public class AbstractMarkerAction
extends BaseSelectionListenerAction {
private IWorkbenchSite site;
private Collection<IPapyrusMarker> markers;
public AbstractMarkerAction(IWorkbenchSite site, String label) {
super(label);
this.site = site;
setEnabled(false);
}
protected IWorkbenchSite getSite() {
return site;
}
protected IPapyrusMarker getMarker() {
return Iterables.getFirst(markers, null);
}
protected Collection<IPapyrusMarker> getMarkers() {
return markers;
}
@Override
protected boolean updateSelection(IStructuredSelection selection) {
markers = selection.isEmpty()
? Collections.<IPapyrusMarker> emptyList()
: Lists.newArrayList(Iterables.filter(selection.toList(),
IPapyrusMarker.class));
return !markers.isEmpty() && super.updateSelection(selection);
}
}
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