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.eclipse.osgi.util.NLS;
   6 import org.simantics.browsing.ui.model.labels.LabelRule;
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.db.ReadGraph;
   9 import org.simantics.db.Resource;
  10 import org.simantics.db.Statement;
  11 import org.simantics.db.common.utils.NameUtils;
  12 import org.simantics.db.exception.DatabaseException;
  13 import org.simantics.db.layer0.variable.Variable;
  14 import org.simantics.document.linking.ontology.DocumentLink;
  15 import org.simantics.document.linking.utils.SourceLinkUtil;
  16 import org.simantics.layer0.Layer0;
  17 import org.simantics.utils.datastructures.ArrayMap;
  18
  19 public class VariableLabelRule implements LabelRule {
  20
  21         @Override
  22         public boolean isCompatible(Class<?> contentType) {
  23                 return contentType.equals(Variable.class);
  24         }
  25
  26         @Override
  27         public Map<String, String> getLabel(ReadGraph graph, Object content)
  28                         throws DatabaseException {
  29                  Variable variable = (Variable) content;
  30
  31                  Resource node = variable.getPossibleRepresents(graph);
  32
  33                  if (node == null)
  34                          return null;
  35
  36                  Layer0 l0 = Layer0.getInstance(graph);
  37                  DocumentLink sl = DocumentLink.getInstance(graph);
  38
  39                  String keys[] = Constants.SOURCE_COLUMN_KEYS;
  40                  String labels[] = new String[keys.length];
  41
  42                  if (graph.isInstanceOf(node, sl.Source)) {
  43                         Resource reference = SourceLinkUtil.getReferredDocument(graph, node);
  44                         String comment = graph.getPossibleRelatedValue(node, sl.hasSourceComment);
  45                         labels[0] = ""; //$NON-NLS-1$
  46                         labels[1] = ""; //$NON-NLS-1$
  47                         labels[3] = comment != null ? comment : ""; //$NON-NLS-1$
  48
  49                         if (reference != null) {
  50                                 if (SourceLinkUtil.isValidReference(graph, reference)) {
  51                                         labels[2] = NameUtils.getSafeLabel(graph, reference);
  52                                 } else {
  53                                         labels[2] = Messages.VariableLabelRule_DeletedReference;
  54                                 }
  55
  56                         } else {
  57                                 if (graph.getPossibleRelatedValue(node, sl.hasSourceReferenceURI, Bindings.STRING) != null) {
  58                                         labels[2] = Messages.VariableLabelRule_ReferencesDoesNotExists;
  59                                 } else {
  60                                         labels[2] = Messages.VariableLabelRule_ReferencesHasNotBeenSet;
  61                                 }
  62                         }
  63
  64                  } else if (graph.isInstanceOf(node, l0.Literal) || graph.isInstanceOf(node, l0.SCLValue)) {
  65                                 Statement propertyOwner = graph.getPossibleStatement(node, l0.PropertyOf);
  66                                 Resource propertyRelation = null;
  67                                 boolean defaultValue = false;
  68                                 if (propertyOwner != null) {
  69                                         propertyRelation = graph.getInverse(propertyOwner.getPredicate());
  70
  71
  72                                 } else {
  73                                         Resource objectInverse = graph.getPossibleObject(node, l0.HasObjectInverse);
  74                                         if (objectInverse != null) {
  75                                                 propertyRelation = graph.getPossibleObject(objectInverse, l0.HasPredicate);
  76                                                 defaultValue = true;
  77                                         }
  78                                 }
  79                                 if (propertyRelation != null) {
  80                                         String propName = graph.getPossibleRelatedValue2(propertyRelation, l0.HasLabel);
  81                                         if (propName == null || propName.length() == 0)
  82                                                 propName = graph.getRelatedValue(propertyRelation, l0.HasName);
  83                                         labels[0] = propName;
  84
  85
  86                                 } else {
  87                                         labels[0] = ""; //$NON-NLS-1$
  88                                 }
  89
  90                                 if (graph.hasValue(node)) {
  91                                         Object value = graph.getValue(node);
  92                                         labels[1] = SourceLinkUtil.getValueString(value);
  93                                 } else if (!graph.isInstanceOf(node, l0.SCLValue)){
  94                                         labels[1] = Messages.VariableLabelRule_NoValue;
  95                                 } else {
  96                                         labels[1] = ""; //$NON-NLS-1$
  97                                 }
  98
  99                                 if (defaultValue) {
 100                                         NLS.bind(Messages.VariableLabelRule_LabelDefault,labels[1] );
 101                                 }
 102                                 labels[2] = ""; //$NON-NLS-1$
 103                                 labels[3] = ""; //$NON-NLS-1$
 104
 105                  } else {
 106
 107                                 labels[0] = NameUtils.getSafeLabel(graph, node);//graph.getRelatedValue(node, l0.HasName);
 108                                 if (labels[0].length() == 0)
 109                                         labels[0] = NameUtils.getSafeName(graph, node);//graph.getRelatedValue(node, l0.HasName);
 110                                 labels[1] = ""; //$NON-NLS-1$
 111                                 labels[2] = ""; //$NON-NLS-1$
 112                                 labels[3] = ""; //$NON-NLS-1$
 113
 114
 115                  }
 116                  return ArrayMap.make(keys, labels);
 117         }
 118
 119 }