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.primitiverequest.PossibleAdapter;
  24 import org.simantics.db.common.procedure.adapter.AsyncProcedureAdapter;
  25 import org.simantics.db.common.procedure.adapter.ProcedureAdapter;
  26 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
  27 import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper;
  28 import org.simantics.db.common.request.BinaryAsyncRead;
  29 import org.simantics.db.common.request.SafeName;
  30 import org.simantics.db.procedure.AsyncMultiProcedure;
  31 import org.simantics.db.procedure.AsyncProcedure;
  32 import org.simantics.diagram.content.ResourceTerminal;
  33 import org.simantics.diagram.stubs.DiagramResource;
  34 import org.simantics.diagram.stubs.G2DResource;
  35 import org.simantics.diagram.synchronization.SynchronizationHints;
  36 import org.simantics.diagram.synchronization.graph.TransformSynchronizer;
  37 import org.simantics.g2d.canvas.ICanvasContext;
  38 import org.simantics.g2d.diagram.IDiagram;
  39 import org.simantics.g2d.element.ElementClass;
  40 import org.simantics.g2d.element.ElementUtils;
  41 import org.simantics.g2d.element.IElement;
  42 import org.simantics.g2d.element.handler.impl.DefaultParameters;
  43 import org.simantics.g2d.element.handler.impl.DefaultTransform;
  44 import org.simantics.g2d.element.handler.impl.ObjectTerminal;
  45 import org.simantics.g2d.element.handler.impl.SimpleElementLayers;
  46 import org.simantics.g2d.element.handler.impl.StaticObjectAdapter;
  47 import org.simantics.g2d.element.handler.impl.StaticSymbolImageInitializer;
  48 import org.simantics.g2d.element.handler.impl.StaticSymbolImpl;
  49 import org.simantics.g2d.element.handler.impl.TextImpl;
  50 import org.simantics.g2d.elementclass.PlainElementPropertySetter;
  51 import org.simantics.g2d.tooltip.TerminalTooltipProvider;
  52 import org.simantics.g2d.tooltip.TooltipParticipant;
  53 import org.simantics.g2d.utils.geom.DirectionSet;
  54 import org.simantics.structural.stubs.StructuralResource2;
  55 import org.simantics.utils.Container;
  56
  57 /**
  58  * @author Tuukka Lehtonen
  59  *
  60  * TODO: not merged https://www.simulationsite.net/trac/simantics/changeset/14463/2d/trunk/org.simantics.diagram/src/org/simantics/diagram/adapter/GraphToDiagramSynchronizer.java
  61  */
  62 public class DefinedElementFactory extends ElementFactoryAdapter {
  63
  64     protected static class ShapeContainer implements Container<Shape> {
  65
  66         private IElement element;
  67         private Shape shape = null;
  68
  69         public ShapeContainer(IElement element) {
  70             this.element = element;
  71         }
  72
  73         @Override
  74         public Shape get() {
  75             if(shape == null) {
  76                 shape = ElementUtils.getElementShapeOrBounds(element);
  77                 element = null;
  78             }
  79             return shape;
  80         }
  81
  82     }
  83
  84
  85     static class ClassRequest extends BinaryAsyncRead<Resource, ICanvasContext, ElementClass> {
  86
  87         final private IDiagram diagram;
  88
  89         public ClassRequest(Resource elementType, ICanvasContext canvas, IDiagram diagram) {
  90             super(elementType, canvas);
  91             this.diagram = diagram;
  92         }
  93
  94         @Override
  95         public void perform(AsyncReadGraph graph, AsyncProcedure<ElementClass> procedure) {
  96
  97             createzz(graph, parameter2, diagram, parameter, procedure);
  98
  99         }
 100
 101     }
 102
 103     @Override
 104     public void create(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram,
 105             final Resource elementType, final AsyncProcedure<ElementClass> procedure) {
 106
 107         graph.asyncRequest(new ClassRequest(elementType, canvas, diagram), new TransientCacheAsyncListener<ElementClass>() {
 108
 109             @Override
 110             public void exception(AsyncReadGraph graph, Throwable t) {
 111                 t.printStackTrace();
 112                 procedure.exception(graph, t);
 113             }
 114
 115             @Override
 116             public void execute(AsyncReadGraph graph, ElementClass result) {
 117                 procedure.execute(graph, result);
 118             }
 119
 120         });
 121
 122     }
 123
 124     public static void createzz(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram,
 125             final Resource elementType, final AsyncProcedure<ElementClass> procedure) {
 126
 127         final StructuralResource2 sr = graph.getService(StructuralResource2.class);
 128         final G2DResource g2d = graph.getService(G2DResource.class);
 129         final DiagramResource dr = graph.getService(DiagramResource.class);
 130
 131         graph.forSingleObject(elementType, sr.IsDefinedBy, new AsyncProcedure<Resource>() {
 132
 133             @Override
 134             public void exception(AsyncReadGraph graph, Throwable throwable) {
 135
 136                 graph.asyncRequest(new SafeName(elementType), new ProcedureAdapter<String>() {
 137                     @Override
 138                     public void execute(String result) {
 139                         System.out.println("DefinedElement '" + result + " ' does not have a single IsDefinedBy relation");
 140                     }
 141                 });
 142
 143                 procedure.exception(graph, throwable);
 144
 145             }
 146
 147             @Override
 148             public void execute(AsyncReadGraph graph, final Resource definingResource) {
 149
 150                 graph.asyncRequest(new NodeRequest(canvas, diagram, definingResource, null), new TransientCacheAsyncListener<IElement>() {
 151
 152                     @Override
 153                     public void exception(AsyncReadGraph graph, Throwable throwable) {
 154                         throwable.printStackTrace();
 155                     }
 156
 157                     @Override
 158                     public void execute(AsyncReadGraph graph, final IElement e) {
 159
 160                         final CompositeImage img = new CompositeImage(Collections.singletonList(e));
 161                         final ConcurrentLinkedQueue<ObjectTerminal> terminals = new ConcurrentLinkedQueue<ObjectTerminal>();
 162                         final AtomicInteger ready = new AtomicInteger(1);
 163
 164                         graph.forOrderedSet(definingResource, new AsyncMultiProcedure<Resource>() {
 165
 166                             @Override
 167                             public void exception(AsyncReadGraph graph, Throwable throwable) {
 168                                 throwable.printStackTrace();
 169                             }
 170
 171                             @Override
 172                             public void execute(AsyncReadGraph graph, final Resource r) {
 173
 174                                 ready.incrementAndGet();
 175
 176                                 graph.forIsInstanceOf(r, dr.Terminal, new AsyncProcedure<Boolean>() {
 177
 178                                     @Override
 179                                     public void exception(AsyncReadGraph graph, Throwable throwable) {
 180                                         throwable.printStackTrace();
 181                                     }
 182
 183                                     public void execute(AsyncReadGraph graph, Boolean isTerminal) {
 184
 185                                         if (isTerminal) {
 186                                             graph.asyncRequest(new NodeRequest(canvas, diagram, r, null), new TransientCacheAsyncListener<IElement>() {
 187                                                 @Override
 188                                                 public void exception(AsyncReadGraph graph, Throwable throwable) {
 189                                                     throwable.printStackTrace();
 190                                                 }
 191
 192                                                 @Override
 193                                                 public void execute(AsyncReadGraph graph, final IElement t) {
 194                                                     graph.forPossibleRelatedValue(r, g2d.HasTransform, Bindings.DOUBLE_ARRAY, new AsyncProcedure<double[]>() {
 195                                                         @Override
 196                                                         public void exception(AsyncReadGraph graph, Throwable throwable) {
 197                                                             throwable.printStackTrace();
 198                                                         }
 199
 200                                                         @Override
 201                                                         public void execute(AsyncReadGraph graph, double[] mat) {
 202                                                             AffineTransform tr = mat != null ? new AffineTransform(mat) : new AffineTransform();
 203                                                             terminals.add(new ResourceTerminal(r, tr, DirectionSet.ANY, new ShapeContainer(t)));
 204
 205                                                             worked(graph);
 206                                                         }
 207                                                     });
 208                                                 }
 209                                             });
 210                                         } else {
 211                                             worked(graph);
 212                                         }
 213
 214                                     }
 215
 216                                 });
 217
 218                             }
 219
 220                             @Override
 221                             public void finished(AsyncReadGraph graph) {
 222                                 worked(graph);
 223                             }
 224
 225                             void worked(AsyncReadGraph graph) {
 226                                 if (ready.decrementAndGet() == 0) {
 227                                     String id = "DefinedElement: " + elementType.getResourceId();
 228                                     procedure.execute(graph, ElementClass.compile(
 229                                             TextImpl.INSTANCE,
 230                                             new StaticObjectAdapter(elementType),
 231                                             DefaultTransform.INSTANCE,
 232                                             DefaultParameters.INSTANCE,
 233                                             StaticSymbolImageInitializer.INSTANCE,
 234                                             new StaticSymbolImpl(img),
 235                                             DefinedElementHandler.INSTANCE,
 236                                             new DefinedElementTerminals(terminals),
 237                                             SimpleElementLayers.INSTANCE,
 238                                             PlainElementPropertySetter.INSTANCE
 239                                             ).setId(id));
 240                                 }
 241                             }
 242                         });
 243
 244                     }
 245
 246                 });
 247
 248             }
 249
 250         });
 251
 252     }
 253
 254     @Override
 255     public void load(AsyncReadGraph graph, final ICanvasContext canvas, final IDiagram diagram, final Resource element, final IElement e, final AsyncProcedure<IElement> procedure) {
 256         e.setHint(SynchronizationHints.HINT_SYNCHRONIZER, TransformSynchronizer.INSTANCE);
 257         // FIXME : this just adds test tooltip to the element.
 258         //e.setHint(TooltipParticipant.TOOLTIP_KEY, DefinedElementTooltipProvider.INSTANCE);
 259         // This is needed for terminal tooltips.
 260         e.setHint(TooltipParticipant.TOOLTIP_KEY, TerminalTooltipProvider.INSTANCE);
 261
 262         graph.asyncRequest(new PossibleAdapter<ElementFactory>(element, ElementFactory.class), new AsyncProcedureAdapter<ElementFactory>() {
 263             @Override
 264             public void execute(AsyncReadGraph graph, ElementFactory factory) {
 265                 if (factory != null) {
 266                     graph.asyncRequest(new GetElementClassRequest(factory, element, canvas, diagram));
 267                 }
 268             }
 269         });
 270
 271         ElementFactoryUtil.readParameters(graph, element, e);
 272
 273         GuardedAsyncProcedureWrapper<IElement> guard = new GuardedAsyncProcedureWrapper<IElement>(procedure, 1);
 274         ElementFactoryUtil.readTransform(graph, element, e, guard);
 275
 276 //        graph.asyncRequest(new SafeName(resource), new ProcedureAdapter<String>() {
 277 //            @Override
 278 //            public void execute(String result) {
 279 //                System.out.println("DefinedElementFactory.load: "  + result);
 280 //            }
 281 //        });
 282     }
 283
 284 }