bundles/org.simantics.document.ui/src/org/simantics/document/ui/actions/NewDocumentFolder.java

   1 package org.simantics.document.ui.actions;
   2
   3 import org.simantics.Simantics;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.WriteGraph;
   7 import org.simantics.db.common.request.WriteRequest;
   8 import org.simantics.db.common.utils.NameUtils;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.layer0.adapter.ActionFactory;
  11 import org.simantics.layer0.Layer0;
  12
  13 public class NewDocumentFolder implements ActionFactory {
  14         Resource folderType;
  15         Resource relation;
  16
  17         public NewDocumentFolder(ReadGraph graph, String folderTypeUri, String relationUri) throws DatabaseException {
  18                 folderType = graph.getResource(folderTypeUri);
  19                 relation = graph.getResource(relationUri);
  20         }
  21
  22         @Override
  23         public Runnable create(Object target) {
  24
  25                 if(!(target instanceof Resource))
  26                         return null;
  27
  28                 final Resource resource = (Resource)target;
  29
  30                 return new Runnable() {
  31                         @Override
  32                         public void run() {
  33                                 Simantics.getSession().asyncRequest(new WriteRequest() {
  34
  35                                         @Override
  36                                         public void perform(WriteGraph graph) throws DatabaseException {
  37                                             graph.markUndoPoint();
  38
  39                                                 Layer0 l0 = Layer0.getInstance(graph);
  40
  41                             String name = NameUtils.findFreshName(graph, "Folder", resource, relation);
  42                             Resource folder = graph.newResource();
  43                             graph.claim(folder, l0.InstanceOf, folderType);
  44                             graph.claimLiteral(folder, l0.HasName, name);
  45                             graph.claim(resource, relation, folder);
  46                                         }
  47
  48                                 });
  49                         }
  50                 };
  51         }
  52 }