bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/Delete.java

   1 package org.simantics.modeling.ui.actions;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.Collections;\r
   6 \r
   7 import org.simantics.Simantics;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.WriteGraph;\r
  10 import org.simantics.db.common.request.WriteRequest;\r
  11 import org.simantics.db.common.utils.Logger;\r
  12 import org.simantics.db.exception.DatabaseException;\r
  13 import org.simantics.db.layer0.adapter.ActionFactory;\r
  14 import org.simantics.db.layer0.adapter.ActionFactory2;\r
  15 import org.simantics.db.layer0.util.RemoverUtil;\r
  16 \r
  17 public class Delete implements ActionFactory, ActionFactory2 {\r
  18 \r
  19         @Override\r
  20     public Runnable create(Object target) {\r
  21                 return create(Collections.singletonList(target));\r
  22         }\r
  23 \r
  24         @Override\r
  25     public Runnable create(Collection<?> target) {\r
  26 \r
  27                 final ArrayList<Resource> resources = new ArrayList<Resource>();\r
  28                 \r
  29                 for(Object o : target) {\r
  30                         if(!(o instanceof Resource))\r
  31                                 return null;\r
  32                         resources.add((Resource)o);\r
  33                 }\r
  34         \r
  35         return new Runnable() {\r
  36             @Override\r
  37             public void run() {\r
  38 \r
  39                 for(Resource r : resources) {\r
  40                         try {\r
  41                                                 Simantics.getSession().syncRequest(new WriteRequest() {\r
  42 \r
  43                                                         @Override\r
  44                                                         public void perform(WriteGraph graph) throws DatabaseException {\r
  45                                                                 RemoverUtil.remove(graph, r);\r
  46                                                         }\r
  47 \r
  48                                                 });\r
  49                                         } catch (DatabaseException e) {\r
  50                                                 Logger.defaultLogError(e);\r
  51                                         }\r
  52                 }\r
  53                 \r
  54             }\r
  55         };\r
  56     }\r
  57 \r
  58 }\r