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

   1 package org.simantics.sysdyn.ui.browser.childrules;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 \r
   6 import org.simantics.browsing.ui.model.children.ChildRule;\r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.common.request.ObjectsWithType;\r
  10 import org.simantics.db.exception.DatabaseException;\r
  11 import org.simantics.layer0.Layer0;\r
  12 import org.simantics.modeling.ModelingResources;\r
  13 import org.simantics.structural.stubs.StructuralResource2;\r
  14 import org.simantics.sysdyn.SysdynResource;\r
  15 \r
  16 \r
  17 public class ModuleTypeChildRule implements ChildRule {\r
  18 \r
  19         @Override\r
  20         public boolean isCompatible(Class<?> contentType) {\r
  21                 return contentType.equals(Resource.class);\r
  22         }\r
  23 \r
  24         @Override\r
  25         public Collection<?> getChildren(ReadGraph graph, Object parent)\r
  26                         throws DatabaseException {\r
  27 \r
  28         ArrayList<Resource> children = new ArrayList<Resource>();\r
  29         \r
  30                 if(!(parent instanceof Resource)) {\r
  31                         return children;\r
  32                 }\r
  33                 \r
  34                 Layer0 l0 = Layer0.getInstance(graph);\r
  35                 StructuralResource2 st = StructuralResource2.getInstance(graph);\r
  36 \r
  37                 Resource model = (Resource)parent;\r
  38                 if(!graph.isInstanceOf(model, SysdynResource.getInstance(graph).SysdynModel))\r
  39                     return children;\r
  40                 \r
  41         for(Resource r : graph.syncRequest(new ObjectsWithType(model, l0.ConsistsOf, st.ComponentType))) {\r
  42                 if(graph.isInheritedFrom(r, SysdynResource.getInstance(graph).Module)) {\r
  43                         Resource symbol = graph.getPossibleObject(r,ModelingResources.getInstance(graph).ComponentTypeToSymbol);\r
  44                         children.add(symbol);\r
  45                 }\r
  46         }\r
  47                 \r
  48                 return children;\r
  49         }\r
  50 \r
  51         @Override\r
  52         public Collection<?> getParents(ReadGraph graph, Object child)\r
  53                         throws DatabaseException {\r
  54                 return new ArrayList<Resource>();\r
  55         }\r
  56 \r
  57 }