gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.browsing.ui.model.browsecontexts;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5
   6 import org.simantics.databoard.Bindings;
   7 import org.simantics.db.ReadGraph;
   8 import org.simantics.db.Resource;
   9 import org.simantics.db.common.request.TernaryRead;
  10 import org.simantics.db.exception.DatabaseException;
  11 import org.simantics.db.layer0.adapter.Instances;
  12 import org.simantics.utils.datastructures.Arrays;
  13 import org.simantics.viewpoint.ontology.ViewpointResource;
  14
  15 public class ContributedBrowseContexts extends TernaryRead<Resource,Resource,String,Collection<Resource>> {
  16
  17     public ContributedBrowseContexts(Resource indexRoot, Resource context, String uiContext) {
  18         super(indexRoot, context, uiContext);
  19     }
  20
  21     @Override
  22     public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
  23
  24         ViewpointResource VP = ViewpointResource.getInstance(graph);
  25         Instances query = graph.adapt(VP.BrowseContextContribution, Instances.class);
  26         Collection<Resource> result = new ArrayList<Resource>();
  27         for(Resource contribution : query.find(graph, parameter)) {
  28             Resource type = graph.getPossibleObject(contribution, VP.BrowseContextContribution_HasType);
  29             if(type == null) continue;
  30             if(graph.isInstanceOf(parameter2, type)) {
  31                 Resource context = graph.getPossibleObject(contribution, VP.BrowseContextContribution_HasBrowseContext);
  32                 if(context == null) continue;
  33                 String[] allowedContexts = graph.getPossibleRelatedValue(contribution, VP.BrowseContextContribution_allowedUIContexts, Bindings.STRING_ARRAY);
  34                 if(allowedContexts != null)
  35                         if(!Arrays.contains(allowedContexts, parameter3))
  36                                 continue;
  37                 result.add(context);
  38             }
  39         }
  40         return result;
  41
  42     }
  43
  44 }