/*******************************************************************************
* Copyright (c) 2007, 2010 Association for Decentralized Information Management
* in Industry THTH ry.
* 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:
* VTT Technical Research Centre of Finland - initial API and implementation
*******************************************************************************/
package org.simantics.modeling.ui.modelBrowser.handlers;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.handlers.HandlerUtil;
import org.simantics.db.Resource;
import org.simantics.db.WriteGraph;
import org.simantics.db.common.request.WriteRequest;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.layer0.SelectionHints;
import org.simantics.modeling.flags.LiftFlag;
import org.simantics.ui.SimanticsUI;
import org.simantics.utils.ui.ISelectionUtils;
/**
* See Creating connection points
*
* @author Hannu Niemistö
*/
public class CreateConnectionPoint extends AbstractHandler {
private static List getFlagResource(ISelection sel) {
return ISelectionUtils.getPossibleKeys(sel, SelectionHints.KEY_MAIN, Resource.class);
}
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection sel = HandlerUtil.getCurrentSelection(event);
List flags = getFlagResource(sel);
if (flags.isEmpty())
return null;
final Set flagSet = new HashSet(flags);
SimanticsUI.getSession().asyncRequest(new WriteRequest() {
@Override
public void perform(WriteGraph g) throws DatabaseException {
for (Resource flag : flagSet)
LiftFlag.liftFlag(g, flag);
}
});
return null;
}
}