bundles/org.simantics.document.linking.ui/src/org/simantics/document/linking/ge/VariableLabelRule.java

   1 package org.simantics.document.linking.ge;
   2
   3 import java.util.Map;
   4
   5 import org.simantics.browsing.ui.model.labels.LabelRule;
   6 import org.simantics.databoard.Bindings;
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.Resource;
   9 import org.simantics.db.Statement;
  10 import org.simantics.db.common.utils.NameUtils;
  11 import org.simantics.db.exception.DatabaseException;
  12 import org.simantics.db.layer0.variable.Variable;
  13 import org.simantics.document.linking.ontology.DocumentLink;
  14 import org.simantics.document.linking.utils.SourceLinkUtil;
  15 import org.simantics.layer0.Layer0;
  16 import org.simantics.utils.datastructures.ArrayMap;
  17
  18 public class VariableLabelRule implements LabelRule {
  19
  20         @Override
  21         public boolean isCompatible(Class<?> contentType) {
  22                 return contentType.equals(Variable.class);
  23         }
  24
  25         @Override
  26         public Map<String, String> getLabel(ReadGraph graph, Object content)
  27                         throws DatabaseException {
  28                  Variable variable = (Variable) content;
  29
  30                  Resource node = variable.getPossibleRepresents(graph);
  31
  32                  if (node == null)
  33                          return null;
  34
  35                  Layer0 l0 = Layer0.getInstance(graph);
  36                  DocumentLink sl = DocumentLink.getInstance(graph);
  37
  38                  String keys[] = Constants.SOURCE_COLUMN_KEYS;
  39                  String labels[] = new String[keys.length];
  40
  41                  if (graph.isInstanceOf(node, sl.Source)) {
  42                         Resource reference = SourceLinkUtil.getReferredDocument(graph, node);
  43                         String comment = graph.getPossibleRelatedValue(node, sl.hasSourceComment);
  44                         labels[0] = "";
  45                         labels[1] = "";
  46                         labels[3] = comment != null ? comment : "";
  47
  48                         if (reference != null) {
  49                                 if (SourceLinkUtil.isValidReference(graph, reference)) {
  50                                         labels[2] = NameUtils.getSafeLabel(graph, reference);
  51                                 } else {
  52                                         labels[2] = "Deleted reference";
  53                                 }
  54
  55                         } else {
  56                                 if (graph.getPossibleRelatedValue(node, sl.hasSourceReferenceURI, Bindings.STRING) != null) {
  57                                         labels[2] = "Reference does not exist";
  58                                 } else {
  59                                         labels[2] = "Reference has not been set";
  60                                 }
  61                         }
  62
  63                  } else if (graph.isInstanceOf(node, l0.Literal) || graph.isInstanceOf(node, l0.SCLValue)) {
  64                                 Statement propertyOwner = graph.getPossibleStatement(node, l0.PropertyOf);
  65                                 Resource propertyRelation = null;
  66                                 boolean defaultValue = false;
  67                                 if (propertyOwner != null) {
  68                                         propertyRelation = graph.getInverse(propertyOwner.getPredicate());
  69
  70
  71                                 } else {
  72                                         Resource objectInverse = graph.getPossibleObject(node, l0.HasObjectInverse);
  73                                         if (objectInverse != null) {
  74                                                 propertyRelation = graph.getPossibleObject(objectInverse, l0.HasPredicate);
  75                                                 defaultValue = true;
  76                                         }
  77                                 }
  78                                 if (propertyRelation != null) {
  79                                         String propName = graph.getPossibleRelatedValue2(propertyRelation, l0.HasLabel);
  80                                         if (propName == null || propName.length() == 0)
  81                                                 propName = graph.getRelatedValue(propertyRelation, l0.HasName);
  82                                         labels[0] = propName;
  83
  84
  85                                 } else {
  86                                         labels[0] = "";
  87                                 }
  88
  89                                 if (graph.hasValue(node)) {
  90                                         Object value = graph.getValue(node);
  91                                         labels[1] = SourceLinkUtil.getValueString(value);
  92                                 } else if (!graph.isInstanceOf(node, l0.SCLValue)){
  93                                         labels[1] = "No Value";
  94                                 } else {
  95                                         labels[1] = "";
  96                                 }
  97
  98                                 if (defaultValue) {
  99                                         labels[1] +=" (default)";
 100                                 }
 101                                 labels[2] = "";
 102                                 labels[3] = "";
 103
 104                  } else {
 105
 106                                 labels[0] = NameUtils.getSafeLabel(graph, node);//graph.getRelatedValue(node, l0.HasName);
 107                                 if (labels[0].length() == 0)
 108                                         labels[0] = NameUtils.getSafeName(graph, node);//graph.getRelatedValue(node, l0.HasName);
 109                                 labels[1] = "";
 110                                 labels[2] = "";
 111                                 labels[3] = "";
 112
 113
 114                  }
 115                  return ArrayMap.make(keys, labels);
 116         }
 117
 118 }