bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/ExpressionStyle.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.util.Collections;\r
  15 import java.util.List;\r
  16 import java.util.Map;\r
  17 \r
  18 import org.simantics.databoard.Bindings;\r
  19 import org.simantics.db.ReadGraph;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.common.utils.OrderedSetUtils;\r
  22 import org.simantics.db.exception.DatabaseException;\r
  23 import org.simantics.db.layer0.variable.Variable;\r
  24 import org.simantics.diagram.profile.StyleBase;\r
  25 import org.simantics.diagram.stubs.DiagramResource;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.modeling.ModelingResources;\r
  28 import org.simantics.operation.Layer0X;\r
  29 import org.simantics.scenegraph.INode;\r
  30 import org.simantics.scenegraph.profile.EvaluationContext;\r
  31 import org.simantics.scenegraph.profile.common.ProfileVariables;\r
  32 import org.simantics.structural.stubs.StructuralResource2;\r
  33 \r
  34 /**\r
  35  * @author Antti Villberg\r
  36  */\r
  37 public class ExpressionStyle extends StyleBase<Map<String, Object>> {\r
  38 \r
  39         final Resource style;\r
  40 \r
  41         public ExpressionStyle(Resource style) {\r
  42                 this.style = style;\r
  43         }\r
  44 \r
  45         @Override\r
  46         public Map<String, Object> calculateStyle(ReadGraph graph, Resource runtimeDiagram, Resource entry, Resource element, Variable activeVariable) throws DatabaseException {\r
  47 \r
  48                 //System.err.println("calculateExpressionStyle " + activeVariable.getURI(graph));\r
  49 \r
  50                 Layer0 L0 = Layer0.getInstance(graph);\r
  51                 Layer0X L0X = Layer0X.getInstance(graph);\r
  52                 DiagramResource DIA = DiagramResource.getInstance(graph);\r
  53                 ModelingResources MOD = ModelingResources.getInstance(graph);\r
  54                 StructuralResource2 SR = StructuralResource2.getInstance(graph);\r
  55                 \r
  56                 String key = graph.getPossibleRelatedValue(style, DIA.HasVariableName, Bindings.STRING);\r
  57                 String expression = graph.getPossibleRelatedValue(style, L0X.HasExpression, Bindings.STRING);\r
  58                 //System.out.println(key + ": " + expression);\r
  59 \r
  60                 Resource module = graph.getPossibleObject(element, MOD.ElementToComponent);\r
  61                 if (module == null)\r
  62                         return null;\r
  63 \r
  64                 Resource svg = null;\r
  65                 Resource elementType = graph.getPossibleType(element, L0.Entity);\r
  66                 if(elementType == null) return null;\r
  67                 Resource definition = graph.getPossibleObject(elementType, SR.IsDefinedBy);\r
  68                 if(definition == null) return null;\r
  69                 List<Resource> items = OrderedSetUtils.toList(graph, definition);\r
  70                 if(items == null) return null;\r
  71                 for(Resource item : items) {\r
  72                         if(graph.isInstanceOf(item, DIA.AnimatedSVGElement)) {\r
  73                                 svg = item;\r
  74                                 break;\r
  75                         }\r
  76                 }\r
  77                 if(svg == null) return null;\r
  78 \r
  79                 String moduleName = graph.getPossibleRelatedValue(module, L0.HasName, Bindings.STRING);\r
  80                 if (moduleName == null)\r
  81                         return null;\r
  82 \r
  83                 Variable moduleVariable = activeVariable.getChild(graph, moduleName);\r
  84 \r
  85                 //System.err.println("mv " + moduleVariable.getURI(graph));\r
  86 \r
  87                 Object value = moduleVariable.getPossiblePropertyValue(graph, expression);\r
  88                 Map<String, Object> values = Collections.singletonMap(key, value);\r
  89                 \r
  90 //              for(Resource desc : graph.getObjects(svg, DIA.HasConfigurationVariable)) {\r
  91 //                      String name = graph.getRelatedValue(desc, L0.HasName);\r
  92 //                      System.err.println("name=" + name);\r
  93 //                      String formula = graph.getRelatedValue(desc, L0X.HasExpression);\r
  94 //                      Object value = moduleVariable.getPossiblePropertyValue(graph, formula);\r
  95 //                      System.err.println(name + " => " + formula + " => " + value);\r
  96 //                      values.put(name, value);\r
  97 //              }\r
  98 \r
  99                 return values;\r
 100 \r
 101         }\r
 102 \r
 103         @Override\r
 104         public void applyStyleForNode(EvaluationContext evaluationContext, INode node, Map<String, Object> values) {\r
 105             //System.out.println(this + ": apply values " + values);\r
 106             if (values == null)\r
 107                 return;\r
 108 \r
 109             ProfileVariables.claimNodeProperty(node, "valuezz", values, evaluationContext);\r
 110             \r
 111 //          Variables.set(element, "valuezz", values, observer);\r
 112 ////        for(Map.Entry<String, Object> entry : values.entrySet()) {\r
 113 ////            Variables.set(element, entry.getKey(), entry.getValue(), observer);\r
 114 ////        }\r
 115 //\r
 116 //          PropertySetter setter = element.getElementClass().getAtMostOneItemOfClass(PropertySetter.class);\r
 117 //          if (setter != null)\r
 118 //              setter.syncPropertiesToNode(element);\r
 119         }\r
 120 \r
 121         @Override\r
 122         protected void cleanupStyleForNode(EvaluationContext observer, INode node) {\r
 123             ProfileVariables.init(node, observer);\r
 124         }\r
 125 \r
 126         @Override\r
 127         public String toString() {\r
 128                 return "Expression";\r
 129         }\r
 130 \r
 131 }\r