bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/Variable.java

   1 package org.simantics.document.linking.report.evaluator;\r
   2 \r
   3 import java.util.Map;\r
   4 \r
   5 import org.eclipse.jface.resource.ImageDescriptor;\r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.exception.DatabaseException;\r
   8 import org.simantics.document.linking.Activator;\r
   9 import org.simantics.document.linking.ontology.DocumentLink;\r
  10 import org.simantics.document.linking.utils.SourceLinkUtil;\r
  11 import org.simantics.objmap.graph.annotations.GraphType;\r
  12 import org.simantics.objmap.graph.annotations.RelatedGetValue;\r
  13 import org.simantics.objmap.graph.annotations.RelatedSetValue;\r
  14 \r
  15 \r
  16 @GraphType(DocumentLink.URIs.EvaluatorTree_Variable)\r
  17 public class Variable extends EvaluatorLeaf implements StringEditableNode{\r
  18         \r
  19         String variableRef = "#HasName";\r
  20         \r
  21         public Variable() {\r
  22                 \r
  23         }\r
  24         \r
  25         public Variable(String variableRef) {\r
  26                 this.variableRef = variableRef;\r
  27         }\r
  28         \r
  29         public void setVariableRef(String variableRef) {\r
  30                 this.variableRef = variableRef;\r
  31         }\r
  32         \r
  33         public String getVariableRef() {\r
  34                 return variableRef;\r
  35         }\r
  36         \r
  37         @Override\r
  38         public String getValue(ReadGraph graph, org.simantics.db.layer0.variable.Variable variable, Map<Object, Object> context) throws DatabaseException {\r
  39                 if (context.containsKey(variableRef))\r
  40                         return SourceLinkUtil.getValueString(context.get(variableRef));\r
  41                 try {\r
  42                         org.simantics.db.layer0.variable.Variable propertyVar = PredefinedVariables.getInstance().getVariable(graph, variableRef, null, variable);\r
  43                         if (propertyVar.getRepresents(graph) == null)\r
  44                                 return null;\r
  45                         return SourceLinkUtil.getValueString(propertyVar.getValue(graph));\r
  46                 } catch (Exception e) {\r
  47                         return null;\r
  48                 }\r
  49         }\r
  50         \r
  51         \r
  52         \r
  53 \r
  54         @Override\r
  55         public String toString() {\r
  56                 return variableRef;\r
  57         }\r
  58         \r
  59         @RelatedGetValue(DocumentLink.URIs.EvaluatorTree_HasValue)\r
  60         @Override\r
  61         public String getValue() {\r
  62                 return variableRef;\r
  63         }\r
  64         \r
  65         \r
  66         @Override\r
  67         public String setValue(String value) {\r
  68                 if (value.length() == 0)\r
  69                         return "Variable reference cannot be empty";\r
  70                 variableRef = value;\r
  71                 return null;\r
  72         }\r
  73         \r
  74         @RelatedSetValue(DocumentLink.URIs.EvaluatorTree_HasValue)\r
  75         public void _setValue(String value) {\r
  76                 variableRef = value;\r
  77         }\r
  78         \r
  79         \r
  80         @Override\r
  81         public EvaluatorItem copy() {\r
  82                 return new Variable(variableRef);\r
  83         }\r
  84         \r
  85         @Override\r
  86         public ImageDescriptor getImage() {\r
  87                 return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/database_go.png");\r
  88         }\r
  89         \r
  90 \r
  91 }\r