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.adapter;
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15 import org.simantics.db.AsyncReadGraph;
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16 import org.simantics.db.Resource;
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17 import org.simantics.db.common.procedure.adapter.AsyncProcedureAdapter;
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18 import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper;
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19 import org.simantics.db.procedure.AsyncProcedure;
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20 import org.simantics.diagram.stubs.DiagramResource;
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21 import org.simantics.diagram.synchronization.SynchronizationHints;
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22 import org.simantics.diagram.synchronization.graph.TransformSynchronizer;
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23 import org.simantics.g2d.canvas.ICanvasContext;
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24 import org.simantics.g2d.diagram.IDiagram;
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25 import org.simantics.g2d.element.ElementClass;
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26 import org.simantics.g2d.element.IElement;
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27 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
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28 import org.simantics.g2d.elementclass.BranchPoint;
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29 import org.simantics.g2d.elementclass.BranchPoint.Direction;
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30 import org.simantics.g2d.elementclass.BranchPointClass;
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33 * @author Tuukka Lehtonen
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35 public class BranchPointClassFactory extends ElementFactoryAdapter {
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37 public static ElementClass create(Resource elementClass) {
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38 return BranchPointClass.CLASS.newClassWith(false, new StaticObjectAdapter(elementClass));
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42 public void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType, AsyncProcedure<ElementClass> procedure) {
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43 procedure.execute(graph, BranchPointClass.CLASS.newClassWith(false, new StaticObjectAdapter(elementType)));
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47 public void load(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure<IElement> procedure) {
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48 e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TransformSynchronizer.INSTANCE);
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50 final AsyncProcedure<IElement> guard = new GuardedAsyncProcedureWrapper<IElement>(procedure, 2);
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52 final BranchPoint bp = e.getElementClass().getAtMostOneItemOfClass(BranchPoint.class);
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54 final DiagramResource dr = graph.getService(DiagramResource.class);
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55 graph.forHasStatement(element, dr.Horizontal, element, new AsyncProcedureAdapter<Boolean>() {
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57 public void exception(AsyncReadGraph graph, Throwable throwable) {
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58 guard.exception(graph, throwable);
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61 public void execute(AsyncReadGraph graph, final Boolean horizontal) {
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62 graph.forHasStatement(element, dr.Vertical, element, new AsyncProcedure<Boolean>() {
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64 public void exception(AsyncReadGraph graph, Throwable throwable) {
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65 guard.exception(graph, throwable);
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68 public void execute(AsyncReadGraph graph, Boolean vertical) {
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69 Direction direction = Direction.Any;
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70 if (horizontal ^ vertical)
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71 direction = horizontal ? Direction.Horizontal : Direction.Vertical;
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72 bp.setDirectionPreference(e, direction);
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74 guard.execute(graph, e);
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81 ElementFactoryUtil.readTransform(graph, element, e, guard);
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