using System;
using System.Collections.Generic;
using System.Text;

namespace Csla.Web
{
  /// <summary>
  /// Argument object used in the UpdateObject event.
  /// </summary>
  public class UpdateObjectArgs : EventArgs
  {

    private System.Collections.IDictionary _keys;
    private System.Collections.IDictionary _values;
    private System.Collections.IDictionary _oldValues;
    private int _rowsAffected;

    /// <summary>
    /// Gets or sets the number of rows affected
    /// while handling this event.
    /// </summary>
    /// <value></value>
    /// <returns></returns>
    /// <remarks>
    /// The code handling the event should set this
    /// value to indicate the number of rows affected
    /// by the operation.
    /// </remarks>
    public int RowsAffected
    {
      get { return _rowsAffected; }
      set { _rowsAffected = value; }
    }

    /// <summary>
    /// The list of key values entered by the user.
    /// </summary>
    /// <remarks>It is up to the event handler in the
    /// web page to take the list of values, put them
    /// into a business object and to save that object
    /// into the database.</remarks>
    public System.Collections.IDictionary Keys
    {
      get { return _keys; }
    }

    /// <summary>
    /// The list of data values entered by the user.
    /// </summary>
    /// <remarks>It is up to the event handler in the
    /// web page to take the list of values, put them
    /// into a business object and to save that object
    /// into the database.</remarks>
    public System.Collections.IDictionary Values
    {
      get { return _values; }
    }

    /// <summary>
    /// The list of old data values maintained by
    /// data binding.
    /// </summary>
    /// <remarks>It is up to the event handler in the
    /// web page to take the list of values, put them
    /// into a business object and to save that object
    /// into the database.</remarks>
    public System.Collections.IDictionary OldValues
    {
      get { return _oldValues; }
    }

    /// <summary>
    /// Creates an instance of the object.
    /// </summary>
    public UpdateObjectArgs(System.Collections.IDictionary keys, System.Collections.IDictionary values, System.Collections.IDictionary oldValues)
    {
      _keys = keys;
      _values = values;
      _oldValues = oldValues;
    }

  }
}