Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/OLDcsla20cs/Csla/Web/Design/CslaDataSourceDesigner.cs

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+using System;
+using System.Web.UI;
+using System.Web.UI.Design;
+using System.ComponentModel;
+using System.Windows.Forms.Design;
+using Csla.Web;
+
+namespace Csla.Web.Design
+{
+  /// <summary>
+  /// Implements designer support for CslaDataSource.
+  /// </summary>
+  public class CslaDataSourceDesigner : DataSourceDesigner
+  {
+
+    private DataSourceControl _control = null;
+    private CslaDesignerDataSourceView _view = null;
+
+    /// <summary>
+    /// Initialize the designer component.
+    /// </summary>
+    /// <param name="component">The CslaDataSource control to 
+    /// be designed.</param>
+    public override void Initialize(IComponent component)
+    {
+      base.Initialize(component);
+      _control = (DataSourceControl)component;
+    }
+
+    internal System.ComponentModel.ISite Site
+    {
+      get
+      {
+        return _control.Site;
+      }
+    }
+    /// <summary>
+    /// Returns the default view for this designer.
+    /// </summary>
+    /// <param name="viewName">Ignored</param>
+    /// <returns></returns>
+    /// <remarks>
+    /// This designer supports only a "Default" view.
+    /// </remarks>
+    public override DesignerDataSourceView GetView(string viewName)
+    {
+      if (_view == null)
+      {
+        _view = new CslaDesignerDataSourceView(this, "Default");
+      }
+      return _view;
+    }
+
+    /// <summary>
+    /// Return a list of available views.
+    /// </summary>
+    /// <remarks>
+    /// This designer supports only a "Default" view.
+    /// </remarks>
+    public override string[] GetViewNames()
+    {
+      return new string[] { "Default" };
+    }
+
+    /// <summary>
+    /// Refreshes the schema for the data.
+    /// </summary>
+    /// <param name="preferSilent"></param>
+    /// <remarks></remarks>
+    public override void RefreshSchema(bool preferSilent)
+    {
+      this.OnSchemaRefreshed(EventArgs.Empty);
+    }
+
+    /// <summary>
+    /// Get a value indicating whether the control can
+    /// refresh its schema.
+    /// </summary>
+    public override bool CanRefreshSchema
+    {
+      get
+      {
+        return true;
+      }
+    }
+
+    /// <summary>
+    /// Invoke the design time configuration
+    /// support provided by the control.
+    /// </summary>
+    public override void Configure()
+    {
+      InvokeTransactedChange(_control, ConfigureCallback, null, "ConfigureDataSource");
+    }
+
+    private bool ConfigureCallback(object context)
+    {
+      bool result = false;
+
+      string oldTypeName;
+      if (string.IsNullOrEmpty(((CslaDataSource)DataSourceControl).TypeAssemblyName))
+        oldTypeName = ((CslaDataSource)DataSourceControl).TypeName;
+      else
+        oldTypeName = string.Format("{0}, {1}", 
+          ((CslaDataSource)DataSourceControl).TypeName, ((CslaDataSource)DataSourceControl).TypeAssemblyName);
+
+      IUIService uiService = (IUIService)_control.Site.GetService(typeof(IUIService));
+      CslaDataSourceConfiguration cfg = new CslaDataSourceConfiguration(_control, oldTypeName);
+      if (uiService.ShowDialog(cfg) == System.Windows.Forms.DialogResult.OK)
+      {
+        SuppressDataSourceEvents();
+        try
+        {
+          ((CslaDataSource)DataSourceControl).TypeAssemblyName = string.Empty;
+          ((CslaDataSource)DataSourceControl).TypeName = cfg.TypeName;
+          OnDataSourceChanged(EventArgs.Empty);
+          result = true;
+        }
+        finally
+        {
+          ResumeDataSourceEvents();
+        }
+      }
+      cfg.Dispose();
+      return result;
+    }
+
+    /// <summary>
+    /// Get a value indicating whether this control
+    /// supports design time configuration.
+    /// </summary>
+    public override bool CanConfigure
+    {
+      get
+      {
+        return true;
+      }
+    }
+
+    /// <summary>
+    /// Get a value indicating whether the control can
+    /// be resized.
+    /// </summary>
+    public override bool AllowResize
+    {
+      get
+      {
+        return false;
+      }
+    }
+
+    /// <summary>
+    /// Get a reference to the CslaDataSource control being
+    /// designed.
+    /// </summary>
+    internal CslaDataSource DataSourceControl
+    {
+      get
+      {
+        return (CslaDataSource)_control;
+      }
+    }
+  }
+}