bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/browsecontexts/ContributedActionBrowseContexts.java

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