bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/report/evaluator/Constant.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.db.layer0.variable.Variable;
   9 import org.simantics.document.linking.Activator;
  10 import org.simantics.document.linking.ontology.DocumentLink;
  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_Constant)
  17 public class Constant extends EvaluatorLeaf implements StringEditableNode{
  18
  19         private String string;
  20
  21
  22         public Constant() {
  23                 string = "text"; //$NON-NLS-1$
  24         }
  25
  26         public Constant(String text) {
  27                 if (text == null)
  28                         throw new NullPointerException("Text is null"); //$NON-NLS-1$
  29                 string = text;
  30         }
  31
  32         @Override
  33         public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {
  34                 return string;
  35         }
  36
  37         @Override
  38         public String toString() {
  39                 return "\"" + string + "\""; //$NON-NLS-1$ //$NON-NLS-2$
  40         }
  41
  42         @RelatedGetValue(DocumentLink.URIs.EvaluatorTree_HasValue)
  43         @Override
  44         public String getValue() {
  45                 return string;
  46         }
  47
  48         @Override
  49         public String setValue(String value) {
  50                 string = value;
  51                 return null;
  52         }
  53
  54         @RelatedSetValue(DocumentLink.URIs.EvaluatorTree_HasValue)
  55         public void _setValue(String value) {
  56                 string = value;
  57         }
  58
  59         @Override
  60         public EvaluatorItem copy() {
  61                 return new Constant(string);
  62         }
  63
  64
  65         @Override
  66         public ImageDescriptor getImage() {
  67                 return Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/textfield.png"); //$NON-NLS-1$ //$NON-NLS-2$
  68         }
  69
  70 }