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 java.awt.geom.AffineTransform;
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16 import org.simantics.db.Resource;
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17 import org.simantics.db.WriteGraph;
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18 import org.simantics.db.exception.DatabaseException;
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19 import org.simantics.diagram.content.ConnectionUtil;
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20 import org.simantics.diagram.synchronization.ModificationAdapter;
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21 import org.simantics.g2d.diagram.DiagramHints;
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22 import org.simantics.g2d.diagram.DiagramMutator;
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23 import org.simantics.g2d.diagram.IDiagram;
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24 import org.simantics.g2d.element.ElementHints;
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25 import org.simantics.g2d.element.ElementUtils;
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26 import org.simantics.g2d.element.IElement;
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27 import org.simantics.g2d.elementclass.BranchPoint;
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28 import org.simantics.g2d.elementclass.BranchPoint.Direction;
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31 * @author Tuukka Lehtonen
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33 public class AddBranchpoint extends ModificationAdapter {
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36 IElement connection;
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39 public AddBranchpoint(IDiagram diagram, IElement connection, IElement element) {
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40 super(ADD_BRANCH_PRIORITY);
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41 this.diagram = diagram;
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42 this.connection = connection;
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43 this.element = element;
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47 public void perform(WriteGraph g) throws DatabaseException {
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48 ConnectionUtil cu = new ConnectionUtil(g);
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50 DiagramMutator mutator = diagram.getHint(DiagramHints.KEY_MUTATOR);
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52 Resource connectionResource = mutator.backendObject(connection);
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54 AffineTransform tr = ElementUtils.getTransform(element);
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55 Direction dir = element.getElementClass().getSingleItem(BranchPoint.class).getDirectionPreference(element, null);
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56 Resource bp = cu.newBranchPoint(connectionResource, tr, dir);
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58 element.setHint(ElementHints.KEY_OBJECT, bp);
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59 mutator.register(element, bp);
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