org.simantics.district.network/src/org/simantics/district/network/techtype/requests/EnableTechTypeItem.java

   1 package org.simantics.district.network.techtype.requests;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6
   7 import org.simantics.databoard.Bindings;
   8 import org.simantics.databoard.Datatypes;
   9 import org.simantics.databoard.binding.Binding;
  10 import org.simantics.databoard.binding.impl.ArrayListBinding;
  11 import org.simantics.db.Resource;
  12 import org.simantics.db.WriteGraph;
  13 import org.simantics.db.common.request.WriteRequest;
  14 import org.simantics.db.common.utils.CommonDBUtils;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.db.layer0.util.Layer0Utils;
  17 import org.simantics.db.service.UndoRedoSupport;
  18 import org.simantics.district.network.ontology.DistrictNetworkResource;
  19
  20 /**
  21  * Change the enabled/disabled state of a single tech type table record
  22  */
  23 public class EnableTechTypeItem extends WriteRequest {
  24
  25         Resource table;
  26         int itemIndex;
  27         boolean enable;
  28
  29         public EnableTechTypeItem(Resource table, int itemIndex, boolean enable) {
  30                 super();
  31                 this.table = table;
  32                 this.itemIndex = itemIndex;
  33                 this.enable = enable;
  34         }
  35
  36         @Override
  37         public void perform(WriteGraph graph) throws DatabaseException {
  38                 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
  39
  40                 Binding binding = new ArrayListBinding(Datatypes.INTEGER_ARRAY, Bindings.INTEGER);
  41                 List<Integer> enabled = graph.getPossibleRelatedValue2(table, DN.TechType_TechTypeTable_HasEnabledItems, binding);
  42                 if (enabled == null)
  43                         enabled = Collections.emptyList();
  44
  45                 if (enable) {
  46                         if (!enabled.contains(itemIndex)) {
  47                                 enabled = new ArrayList<>(enabled);
  48                                 enabled.add((Integer) itemIndex);
  49                                 graph.getSession().markUndoPoint();
  50                                 graph.claimLiteral(table, DN.TechType_TechTypeTable_HasEnabledItems, enabled, binding);
  51                                 Layer0Utils.addCommentMetadata(graph, "Enable tech type table item " + (itemIndex + 1));
  52                         }
  53                 } else {
  54                         if (enabled.contains(itemIndex)) {
  55                                 enabled = new ArrayList<>(enabled);
  56                                 enabled.remove((Integer) itemIndex);  // note - without the cast, itemIndex is list index, not element value
  57                                 graph.getSession().markUndoPoint();
  58                                 graph.claimLiteral(table, DN.TechType_TechTypeTable_HasEnabledItems, enabled, binding);
  59                                 Layer0Utils.addCommentMetadata(graph, "Disable tech type table item " + (itemIndex + 1));
  60                         }
  61                 }
  62         }
  63
  64 }