Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/Web/SelectObjectArgs.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Text;
+
+namespace Csla.Web
+{
+/// <summary>
+/// Argument object used in the SelectObject event.
+/// </summary>
+  [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;
+
+    /// <summary>
+    /// Get or set a reference to the business object
+    /// that is created and populated by the SelectObject
+    /// event handler in the web page.
+    /// </summary>
+    /// <value>A reference to a CSLA .NET business object.</value>
+    public object BusinessObject
+    {
+      get { return _businessObject; }
+      set { _businessObject = value; }
+    }
+
+    /// <summary>
+    /// Gets the sort expression that should be used to
+    /// sort the data being returned to the data source
+    /// control.
+    /// </summary>
+    public string SortExpression
+    {
+      get
+      {
+        return _sortExpression;
+      }
+    }
+
+    /// <summary>
+    /// Gets the property name for the sort if only one
+    /// property/column name is specified.
+    /// </summary>
+    /// <remarks>
+    /// If multiple properties/columns are specified
+    /// for the sort, you must parse the value from
+    /// <see cref="SortExpression"/> to find all the
+    /// property names and sort directions for the sort.
+    /// </remarks>
+    public string SortProperty
+    {
+      get
+      {
+        return _sortProperty;
+      }
+    }
+
+    /// <summary>
+    /// Gets the sort direction for the sort if only
+    /// one property/column name is specified.
+    /// </summary>
+    /// <remarks>
+    /// If multiple properties/columns are specified
+    /// for the sort, you must parse the value from
+    /// <see cref="SortExpression"/> to find all the
+    /// property names and sort directions for the sort.
+    /// </remarks>
+    public ListSortDirection SortDirection
+    {
+      get
+      {
+        return _sortDirection;
+      }
+    }
+
+    /// <summary>
+    /// Gets the index for the first row that will be
+    /// displayed. This should be the first row in
+    /// the resulting collection set into the
+    /// <see cref="BusinessObject"/> property.
+    /// </summary>
+    public int StartRowIndex
+    {
+      get
+      {
+        return _startRowIndex;
+      }
+    }
+
+    /// <summary>
+    /// Gets the maximum number of rows that
+    /// should be returned as a result of this
+    /// query. For paged collections, this is the
+    /// page size.
+    /// </summary>
+    public int MaximumRows
+    {
+      get
+      {
+        return _maximumRows;
+      }
+    }
+
+    /// <summary>
+    /// Gets a value indicating whether the
+    /// query should return the total row count
+    /// through the
+    /// <see cref="Csla.Core.IReportTotalRowCount"/>
+    /// interface.
+    /// </summary>
+    public bool RetrieveTotalRowCount
+    {
+      get
+      {
+        return _retrieveTotalRowCount;
+      }
+    }
+
+    /// <summary>
+    /// Creates an instance of the object, initializing
+    /// it with values from data binding.
+    /// </summary>
+    /// <param name="args">Values provided from data binding.</param>
+    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;
+        }
+      }
+    }
+  }
+}