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

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