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

   1 package org.simantics.sysdyn.ui.properties;\r
   2 \r
   3 import org.eclipse.jface.viewers.ISelection;\r
   4 import org.simantics.browsing.ui.swt.PropertyTabContributorImpl;\r
   5 import org.simantics.db.AsyncReadGraph;\r
   6 import org.simantics.db.ReadGraph;\r
   7 import org.simantics.db.Resource;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.procedure.AsyncListener;\r
  10 import org.simantics.db.request.Read;\r
  11 import org.simantics.layer0.Layer0;\r
  12 import org.simantics.ui.SimanticsUI;\r
  13 import org.simantics.ui.utils.AdaptionUtils;\r
  14 import org.simantics.utils.datastructures.Callback;\r
  15 \r
  16 public abstract class LabelPropertyTabContributor extends PropertyTabContributorImpl {\r
  17 \r
  18         \r
  19     public void updatePartName(ISelection forSelection, final Callback<String> updateCallback) {\r
  20         final Resource r = AdaptionUtils.adaptToSingle(forSelection, Resource.class);\r
  21         if(r == null) {\r
  22                 updateCallback.run("Selection properties");\r
  23                 return;\r
  24         }\r
  25         \r
  26         try {\r
  27                         SimanticsUI.getSession().syncRequest(new Read<String>() {\r
  28 \r
  29                                 @Override\r
  30                                 public String perform(ReadGraph graph) throws DatabaseException {\r
  31                                         Layer0 l0 = Layer0.getInstance(graph);\r
  32                                         String label = graph.getPossibleRelatedValue(r, l0.HasLabel);\r
  33                                         if(label != null)\r
  34                                                 return label;\r
  35                                         label = graph.getPossibleRelatedValue(r, l0.HasName);\r
  36                                         if(label != null)\r
  37                                                 return label;\r
  38                                         return "No name for selection";\r
  39                                 }\r
  40                         }, new AsyncListener<String>() {\r
  41 \r
  42                                 @Override\r
  43                                 public void execute(AsyncReadGraph graph, String result) {\r
  44                                         updateCallback.run(result);\r
  45                                 }\r
  46 \r
  47                                 @Override\r
  48                                 public void exception(AsyncReadGraph graph, Throwable throwable) {\r
  49                                         \r
  50                                 }\r
  51 \r
  52                                 @Override\r
  53                                 public boolean isDisposed() {\r
  54                                         return false;\r
  55                                 }\r
  56                         });\r
  57                 } catch (DatabaseException e) {\r
  58                         updateCallback.run("Selection error in LabelPropertyTabContributor");\r
  59                         e.printStackTrace();\r
  60                 }\r
  61                 \r
  62     }\r
  63 }\r