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

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