bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/DefinedElementFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.diagram.adapter;
  13
  14 import java.awt.Shape;
  15 import java.awt.geom.AffineTransform;
  16 import java.util.Collections;
  17 import java.util.concurrent.ConcurrentLinkedQueue;
  18 import java.util.concurrent.atomic.AtomicInteger;
  19
  20 import org.simantics.databoard.Bindings;
  21 import org.simantics.db.AsyncReadGraph;
  22 import org.simantics.db.Resource;
  23 import org.simantics.db.common.procedure.adapter.ProcedureAdapter;
  24 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
  25 import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper;
  26 import org.simantics.db.common.request.BinaryAsyncRead;
  27 import org.simantics.db.common.request.SafeName;
  28 import org.simantics.db.procedure.AsyncMultiProcedure;
  29 import org.simantics.db.procedure.AsyncProcedure;
  30 import org.simantics.diagram.content.ResourceTerminal;
  31 import org.simantics.diagram.stubs.DiagramResource;
  32 import org.simantics.diagram.stubs.G2DResource;
  33 import org.simantics.diagram.synchronization.SynchronizationHints;
  34 import org.simantics.diagram.synchronization.graph.TransformSynchronizer;
  35 import org.simantics.g2d.canvas.ICanvasContext;
  36 import org.simantics.g2d.diagram.IDiagram;
  37 import org.simantics.g2d.element.ElementClass;
  38 import org.simantics.g2d.element.ElementUtils;
  39 import org.simantics.g2d.element.IElement;
  40 import org.simantics.g2d.element.handler.impl.DefaultTransform;
  41 import org.simantics.g2d.element.handler.impl.ObjectTerminal;
  42 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
  43 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
  44 import org.simantics.g2d.element.handler.impl.StaticSymbolImageInitializer;
  45 import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;
  46 import org.simantics.g2d.element.handler.impl.Terminals;
  47 import org.simantics.g2d.element.handler.impl.TextImpl;
  48 import org.simantics.g2d.elementclass.ImageClass;
  49 import org.simantics.g2d.elementclass.PlainElementPropertySetter;
  50 import org.simantics.g2d.tooltip.TerminalTooltipProvider;
  51 import org.simantics.g2d.tooltip.TooltipParticipant;
  52 import org.simantics.g2d.utils.geom.DirectionSet;
  53 import org.simantics.structural.stubs.StructuralResource2;
  54 import org.simantics.utils.Container;
  55
  56 /**
  57  * @author Tuukka Lehtonen
  58  *
  59  * TODO: not merged https://www.simulationsite.net/trac/simantics/changeset/14463/2d/trunk/org.simantics.diagram/src/org/simantics/diagram/adapter/GraphToDiagramSynchronizer.java
  60  */
  61 public class DefinedElementFactory extends ElementFactoryAdapter {
  62
  63     protected static class ShapeContainer implements Container<Shape> {
  64
  65         private IElement element;
  66         private Shape shape = null;
  67
  68         public ShapeContainer(IElement element) {
  69             this.element = element;
  70         }
  71
  72         @Override
  73         public Shape get() {
  74             if(shape == null) {
  75                 shape = ElementUtils.getElementShapeOrBounds(element);
  76                 element = null;
  77             }
  78             return shape;
  79         }
  80
  81     }
  82
  83
  84     static class ClassRequest extends BinaryAsyncRead<Resource, ICanvasContext, ElementClass> {
  85
  86         final private IDiagram diagram;
  87
  88         public ClassRequest(Resource elementType, ICanvasContext canvas, IDiagram diagram) {
  89             super(elementType, canvas);
  90             this.diagram = diagram;
  91         }
  92
  93         @Override
  94         public void perform(AsyncReadGraph graph, AsyncProcedure<ElementClass> procedure) {
  95
  96             createzz(graph, parameter2, diagram, parameter, procedure);
  97
  98         }
  99
 100     }
 101
 102     @Override
 103     public void create(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram,
 104             final Resource elementType, final AsyncProcedure<ElementClass> procedure) {
 105
 106         graph.asyncRequest(new ClassRequest(elementType, canvas, diagram), new TransientCacheAsyncListener<ElementClass>() {
 107
 108             @Override
 109             public void exception(AsyncReadGraph graph, Throwable t) {
 110                 t.printStackTrace();
 111                 procedure.exception(graph, t);
 112             }
 113
 114             @Override
 115             public void execute(AsyncReadGraph graph, ElementClass result) {
 116                 procedure.execute(graph, result);
 117             }
 118
 119         });
 120
 121     }
 122
 123     public static void createzz(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram,
 124             final Resource elementType, final AsyncProcedure<ElementClass> procedure) {
 125
 126         final StructuralResource2 sr = graph.getService(StructuralResource2.class);
 127         final G2DResource g2d = graph.getService(G2DResource.class);
 128         final DiagramResource dr = graph.getService(DiagramResource.class);
 129
 130         graph.forSingleObject(elementType, sr.IsDefinedBy, new AsyncProcedure<Resource>() {
 131
 132             @Override
 133             public void exception(AsyncReadGraph graph, Throwable throwable) {
 134
 135                 graph.asyncRequest(new SafeName(elementType), new ProcedureAdapter<String>() {
 136                     @Override
 137                     public void execute(String result) {
 138                         System.out.println("DefinedElement '" + result + " ' does not have a single IsDefinedBy relation");
 139                     }
 140                 });
 141
 142                 procedure.exception(graph, throwable);
 143
 144             }
 145
 146             @Override
 147             public void execute(AsyncReadGraph graph, final Resource definingResource) {
 148
 149                 graph.asyncRequest(new NodeRequest(canvas, diagram, definingResource, null), new TransientCacheAsyncListener<IElement>() {
 150
 151                     @Override
 152                     public void exception(AsyncReadGraph graph, Throwable throwable) {
 153                         throwable.printStackTrace();
 154                     }
 155
 156                     @Override
 157                     public void execute(AsyncReadGraph graph, final IElement e) {
 158
 159                         final CompositeImage img = new CompositeImage(Collections.singletonList(e));
 160                         final ConcurrentLinkedQueue<ObjectTerminal> terminals = new ConcurrentLinkedQueue<ObjectTerminal>();
 161                         final AtomicInteger ready = new AtomicInteger(1);
 162
 163                         graph.forOrderedSet(definingResource, new AsyncMultiProcedure<Resource>() {
 164
 165                             @Override
 166                             public void exception(AsyncReadGraph graph, Throwable throwable) {
 167                                 throwable.printStackTrace();
 168                             }
 169
 170                             @Override
 171                             public void execute(AsyncReadGraph graph, final Resource r) {
 172
 173                                 ready.incrementAndGet();
 174
 175                                 graph.forIsInstanceOf(r, dr.Terminal, new AsyncProcedure<Boolean>() {
 176
 177                                     @Override
 178                                     public void exception(AsyncReadGraph graph, Throwable throwable) {
 179                                         throwable.printStackTrace();
 180                                     }
 181
 182                                     public void execute(AsyncReadGraph graph, Boolean isTerminal) {
 183
 184                                         if (isTerminal) {
 185                                             graph.asyncRequest(new NodeRequest(canvas, diagram, r, null), new TransientCacheAsyncListener<IElement>() {
 186                                                 @Override
 187                                                 public void exception(AsyncReadGraph graph, Throwable throwable) {
 188                                                     throwable.printStackTrace();
 189                                                 }
 190
 191                                                 @Override
 192                                                 public void execute(AsyncReadGraph graph, final IElement t) {
 193                                                     graph.forPossibleRelatedValue(r, g2d.HasTransform, Bindings.DOUBLE_ARRAY, new AsyncProcedure<double[]>() {
 194                                                         @Override
 195                                                         public void exception(AsyncReadGraph graph, Throwable throwable) {
 196                                                             throwable.printStackTrace();
 197                                                         }
 198
 199                                                         @Override
 200                                                         public void execute(AsyncReadGraph graph, double[] mat) {
 201                                                             AffineTransform tr = mat != null ? new AffineTransform(mat) : new AffineTransform();
 202                                                             terminals.add(new ResourceTerminal(r, tr, DirectionSet.ANY, new ShapeContainer(t)));
 203
 204                                                             worked(graph);
 205                                                         }
 206                                                     });
 207                                                 }
 208                                             });
 209                                         } else {
 210                                             worked(graph);
 211                                         }
 212
 213                                     }
 214
 215                                 });
 216
 217                             }
 218
 219                             @Override
 220                             public void finished(AsyncReadGraph graph) {
 221                                 worked(graph);
 222                             }
 223
 224                             void worked(AsyncReadGraph graph) {
 225                                 if (ready.decrementAndGet() == 0) {
 226                                     String id = "DefinedElement: " + elementType.getResourceId();
 227                                     procedure.execute(graph, ElementClass.compile(
 228                                             TextImpl.INSTANCE,
 229                                             new StaticObjectAdapter(elementType),
 230                                             DefaultTransform.INSTANCE,
 231                                             StaticSymbolImageInitializer.INSTANCE,
 232                                             new StaticSymbolImpl(img),
 233                                             DefinedElementHandler.INSTANCE,
 234                                             new DefinedElementTerminals(terminals),
 235                                             SimpleElementLayers.INSTANCE,
 236                                             PlainElementPropertySetter.INSTANCE
 237                                             ).setId(id));
 238                                 }
 239                             }
 240                         });
 241
 242                     }
 243
 244                 });
 245
 246             }
 247
 248         });
 249
 250     }
 251
 252     @Override
 253     public void load(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure<IElement> procedure) {
 254         e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TransformSynchronizer.INSTANCE);
 255         // FIXME : this just adds test tooltip to the element.
 256         //e.setHint(TooltipParticipant.TOOLTIP_KEY, DefinedElementTooltipProvider.INSTANCE);
 257         // This is needed for terminal tooltips.
 258         e.setHint(TooltipParticipant.TOOLTIP_KEY, TerminalTooltipProvider.INSTANCE);
 259
 260         GuardedAsyncProcedureWrapper<IElement> guard = new GuardedAsyncProcedureWrapper<IElement>(procedure, 1);
 261         ElementFactoryUtil.readTransform(graph, element, e, guard);
 262
 263 //        graph.asyncRequest(new SafeName(resource), new ProcedureAdapter<String>() {
 264 //            @Override
 265 //            public void execute(String result) {
 266 //                System.out.println("DefinedElementFactory.load: "  + result);
 267 //            }
 268 //        });
 269     }
 270
 271 }