1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.modeling.ui.modelBrowser.handlers;
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14 import java.util.HashSet;
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15 import java.util.List;
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16 import java.util.Set;
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18 import org.eclipse.core.commands.AbstractHandler;
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19 import org.eclipse.core.commands.ExecutionEvent;
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20 import org.eclipse.core.commands.ExecutionException;
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21 import org.eclipse.jface.viewers.ISelection;
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22 import org.eclipse.ui.handlers.HandlerUtil;
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23 import org.simantics.db.Resource;
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24 import org.simantics.db.WriteGraph;
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25 import org.simantics.db.common.request.WriteRequest;
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26 import org.simantics.db.exception.DatabaseException;
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27 import org.simantics.db.layer0.SelectionHints;
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28 import org.simantics.modeling.flags.LiftFlag;
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29 import org.simantics.ui.SimanticsUI;
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30 import org.simantics.utils.ui.ISelectionUtils;
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33 * See <a href="https://www.simantics.org/wiki/index.php/Modeling_ontology#Creating_connection_points}">Creating connection points</a>
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35 * @author Hannu Niemistö
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37 public class CreateConnectionPoint extends AbstractHandler {
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39 private static List<Resource> getFlagResource(ISelection sel) {
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40 return ISelectionUtils.getPossibleKeys(sel, SelectionHints.KEY_MAIN, Resource.class);
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44 public Object execute(ExecutionEvent event) throws ExecutionException {
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45 ISelection sel = HandlerUtil.getCurrentSelection(event);
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46 List<Resource> flags = getFlagResource(sel);
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47 if (flags.isEmpty())
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49 final Set<Resource> flagSet = new HashSet<Resource>(flags);
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51 SimanticsUI.getSession().asyncRequest(new WriteRequest() {
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53 public void perform(WriteGraph g) throws DatabaseException {
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54 for (Resource flag : flagSet)
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55 LiftFlag.liftFlag(g, flag);
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