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