source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Data/Command/DeleteRowsCommand.cs @ 6133

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using HeuristicLab.DataImporter.Data.CommandBase;
using HeuristicLab.DataImporter.Data.Model;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.DataImporter.Data.Command {
  [StorableClass]
  public class DeleteRowsCommand : ColumnGroupCommandBase {
    [Storable]
    private List<int> rowIndexes;

    private List<IComparable[]> oldrows;

    private DeleteRowsCommand()
      : base(null, string.Empty) {
      this.oldrows = new List<IComparable[]>();
    }

    public DeleteRowsCommand(DataSet dataSet, string columnGroupName, IEnumerable<int> rowIndexes)
      : base(dataSet, columnGroupName) {
      this.rowIndexes = new List<int>(rowIndexes);
      this.oldrows = new List<IComparable[]>();
    }

    public override void Execute() {
      base.Execute();
      foreach (int pos in this.rowIndexes.Reverse<int>()) {
        oldrows.Insert(0, ColumnGroup.GetRow(pos));
        ColumnGroup.DeleteRow(pos);
      }
      ColumnGroup.FireChanged();
      this.ColumnGroup = null;
    }

    public override void UndoExecute() {
      base.UndoExecute();
      for (int i = 0; i < rowIndexes.Count; i++)
        ColumnGroup.InsertRow(this.rowIndexes[i], this.oldrows[i]);
      oldrows.Clear();
      ColumnGroup.FireChanged();
      this.ColumnGroup = null;
    }

    public override string Description {
      get { return "Delete Rows"; }
    }
  }
}