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

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