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

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