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.diagram.synchronization.graph;
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14 import org.simantics.db.Resource;
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15 import org.simantics.db.WriteGraph;
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16 import org.simantics.db.exception.DatabaseException;
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17 import org.simantics.diagram.synchronization.ISynchronizationContext;
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18 import org.simantics.diagram.synchronization.ModificationAdapter;
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19 import org.simantics.diagram.ui.DiagramModelHints;
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20 import org.simantics.g2d.diagram.DiagramHints;
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21 import org.simantics.g2d.diagram.DiagramMutator;
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22 import org.simantics.g2d.diagram.IDiagram;
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23 import org.simantics.g2d.element.ElementHints;
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24 import org.simantics.g2d.element.IElement;
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25 import org.simantics.structural2.modelingRules.ConnectionJudgement;
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26 import org.simantics.structural2.modelingRules.IModelingRules;
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29 * @author Tuukka Lehtonen
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31 public class SetConnectionType extends ModificationAdapter {
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33 ISynchronizationContext context;
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37 public SetConnectionType(ISynchronizationContext context, IDiagram diagram, IElement element) {
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38 super(SET_CONNECTION_TYPE_PRIORITY);
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39 this.context = context;
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40 this.diagram = diagram;
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41 this.element = element;
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44 Resource getDesiredConnectionType(IElement e) {
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45 Object obj = e.getHint(ElementHints.KEY_CONNECTION_TYPE);
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46 if (obj instanceof Resource)
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47 return (Resource) obj;
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48 if (obj instanceof ConnectionJudgement) {
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49 ConnectionJudgement judgement = (ConnectionJudgement) obj;
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50 return judgement.connectionType;
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56 public void perform(WriteGraph graph) throws DatabaseException {
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57 DiagramMutator mutator = diagram.getHint(DiagramHints.KEY_MUTATOR);
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58 IModelingRules modelingRules = diagram.getHint(DiagramModelHints.KEY_MODELING_RULES);
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60 Resource connection = mutator.backendObject(element);
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61 Resource connectionType = getDesiredConnectionType(element);
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63 if (connectionType != null && modelingRules != null) {
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64 modelingRules.setConnectionType(graph, connection, connectionType);
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