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

   1 package org.simantics.document.linking.report.evaluator;
   2
   3 import java.util.Collections;
   4 import java.util.List;
   5 import java.util.Map;
   6
   7 import org.eclipse.jface.resource.ImageDescriptor;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.layer0.variable.Variable;
  11 import org.simantics.document.linking.ontology.DocumentLink;
  12 import org.simantics.document.linking.report.DocumentLine;
  13 import org.simantics.objmap.graph.annotations.OrderedSetType;
  14
  15
  16 @OrderedSetType(DocumentLink.URIs.EvaluatorTree_Root)
  17 public class EvaluatorRoot extends EvaluatorNode{
  18
  19         boolean supportMultiline = true;
  20         boolean supportStyles = false;
  21
  22         public boolean isSupportMultiline() {
  23                 return supportMultiline;
  24         }
  25
  26         public void setSupportMultiline(boolean multilineSupport) {
  27                 this.supportMultiline = multilineSupport;
  28         }
  29
  30         public void setSupportStyles(boolean allowStyles) {
  31                 this.supportStyles = allowStyles;
  32         }
  33
  34         public boolean isSupportStyles() {
  35                 return supportStyles;
  36         }
  37
  38         @Override
  39         public String getValue(ReadGraph graph, Variable variable, Map<Object, Object> context) throws DatabaseException {
  40                 if (children.size() > 0 )
  41                         return children.get(0).getValue(graph, variable, context);
  42                 return null;
  43         }
  44
  45         @Override
  46         public List<DocumentLine> getLines(ReadGraph graph,     Variable variable, Map<Object, Object> context) throws DatabaseException {
  47                 if (children.size() > 0 )
  48                         return children.get(0).getLines(graph, variable, context);
  49                 return null;
  50         }
  51
  52         @Override
  53         public List<Class<? extends EvaluatorItem>> getPossibleChildren(boolean add) {
  54                 if (add && children.size() > 0)
  55                         return Collections.emptyList();
  56                 List<Class<? extends EvaluatorItem>> classes = super.getPossibleChildren(add);
  57                 if (supportMultiline) {
  58                         if (!(children.size() == 1 && children.get(0) instanceof Lines))
  59                                 classes.add(Lines.class);
  60                 }
  61                 return classes;
  62         }
  63
  64         @Override
  65         public String toString() {
  66                 return "root";
  67         }
  68
  69         @Override
  70         public EvaluatorRoot getRoot() {
  71                 return this;
  72         }
  73
  74         @Override
  75         public EvaluatorItem copy() {
  76                 EvaluatorRoot root = new EvaluatorRoot();
  77                 root.supportMultiline = supportMultiline;
  78                 root.supportStyles = supportStyles;
  79                 copyChildren(root);
  80                 return root;
  81         }
  82
  83         @Override
  84         public ImageDescriptor getImage() {
  85                 return null;
  86         }
  87
  88 }