SelectObjectArgs.cs

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//-----------------------------------------------------------------------
// <copyright file="SelectObjectArgs.cs" company="Marimer LLC">
//     Copyright (c) Marimer LLC. All rights reserved.
//     Website: https://cslanet.com
// </copyright>
// <summary>Argument object used in the SelectObject event.</summary>
//-----------------------------------------------------------------------
using System;
using System.ComponentModel;
 
namespace Csla.Web
{
  [Serializable]
  public class SelectObjectArgs : EventArgs
  {
 
    private object _businessObject;
    private string _sortExpression;
    private string _sortProperty;
    private ListSortDirection _sortDirection;
    private int _startRowIndex;
    private int _maximumRows;
    private bool _retrieveTotalRowCount;
 
    public object BusinessObject
    {
      get { return _businessObject; }
      set { _businessObject = value; }
    }
 
    public string SortExpression
    {
      get
      {
        return _sortExpression;
      }
    }
 
    public string SortProperty
    {
      get
      {
        return _sortProperty;
      }
    }
 
    public ListSortDirection SortDirection
    {
      get
      {
        return _sortDirection;
      }
    }
 
    public int StartRowIndex
    {
      get
      {
        return _startRowIndex;
      }
    }
 
    public int MaximumRows
    {
      get
      {
        return _maximumRows;
      }
    }
 
    public bool RetrieveTotalRowCount
    {
      get
      {
        return _retrieveTotalRowCount;
      }
    }
 
    public SelectObjectArgs(System.Web.UI.DataSourceSelectArguments args)
    {
 
      _startRowIndex = args.StartRowIndex;
      _maximumRows = args.MaximumRows;
      _retrieveTotalRowCount = args.RetrieveTotalRowCount;
 
      _sortExpression = args.SortExpression;
      if (!(string.IsNullOrEmpty(_sortExpression)))
      {
        if (_sortExpression.Length >= 5 &&
          _sortExpression.Substring(_sortExpression.Length - 5) == " DESC")
        {
          _sortProperty = _sortExpression.Substring(0, _sortExpression.Length - 5);
          _sortDirection = ListSortDirection.Descending;
 
        }
        else
        {
          _sortProperty = args.SortExpression;
          _sortDirection = ListSortDirection.Ascending;
        }
      }
    }
  }
}