source: branches/HeuristicLab.DataImporter/HeuristicLab.DataImporter.Command/ChangeDataset/AddNewColumnGroupCommand.cs @ 6133

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


namespace HeuristicLab.DataImporter.Command {
  [StorableClass]
  [ViewableCommandInfoAttribute("New ColumnGroup", 0, ColumnGroupState.None, "ColumnGroup Commands", Position = 0)]
  public class AddNewColumnGroupCommand : DataSetCommandBase {
    [Storable]
    private string newColumnGroupName;

    private ColumnGroup newColumnGroup;

    private AddNewColumnGroupCommand()
      : base(null) {
    }

    public AddNewColumnGroupCommand(DataSet dataSet)
      : base(dataSet) {
      int i = 0;
      string columnGroupName = "New ColumnGroup " + i;
      while (dataSet.ColumnGroups.Any(cg => cg.Name == columnGroupName)) {
        i++;
        columnGroupName = "New ColumnGroup " + i;
      }
      this.newColumnGroupName = columnGroupName;
    }

    private AddNewColumnGroupCommand(DataSet dataSet, string name)
      : base(dataSet) {
      this.newColumnGroupName = name;
    }

    public override string Description {
      get { return "New column group"; }
    }

    public override void Execute() {
      base.Execute();
      this.newColumnGroup = new ColumnGroup(newColumnGroupName);
      this.DataSet.AddColumnGroup(newColumnGroup);
      this.newColumnGroup.Active = true;
      this.DataSet.FireChanged();
    }

    public override void UndoExecute() {
      base.UndoExecute();
      this.DataSet.RemoveColumnGroup(newColumnGroup);
      this.newColumnGroup = null;
      this.DataSet.FireChanged();
    }
  }
}