mono/mcs/class/System.Web/System.Web.UI.WebControls/ObjectDataSource.cs

//
// System.Web.UI.WebControls.ObjectDataSource
//
// Authors:
//  Lluis Sanchez Gual ([email protected])
//
// (C) 2005 Novell, Inc. (http://www.novell.com)
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#if NET_2_0
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.IO;
using System.Security.Permissions;

namespace System.Web.UI.WebControls
{
	
	[DefaultEventAttribute ("Selecting")]
	[DefaultPropertyAttribute ("TypeName")]
	[DesignerAttribute ("System.Web.UI.Design.WebControls.ObjectDataSourceDesigner, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.ComponentModel.Design.IDesigner")]
	[ParseChildrenAttribute (true)]
	[PersistChildrenAttribute (false)]
	[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
	[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
	public class ObjectDataSource : DataSourceControl
	{
		ObjectDataSourceView defaultView;

		public ObjectDataSource ()
		{
		}
		
		public ObjectDataSource (string typeName, string selectMethod)
		{
			SelectMethod = selectMethod;
			TypeName = typeName;
		}
		
		ObjectDataSourceView DefaultView {
			get {
				if (defaultView == null)
					defaultView = new ObjectDataSourceView (this, "DefaultView", Context);
				return defaultView;
			}
		}
		
		public event ObjectDataSourceObjectEventHandler ObjectCreated {
			add { DefaultView.ObjectCreated += value; }
			remove { DefaultView.ObjectCreated -= value; }
		}
		
		public event ObjectDataSourceObjectEventHandler ObjectCreating {
			add { DefaultView.ObjectCreating += value; }
			remove { DefaultView.ObjectCreating -= value; }
		}
		
		public event ObjectDataSourceDisposingEventHandler ObjectDisposing {
			add { DefaultView.ObjectDisposing += value; }
			remove { DefaultView.ObjectDisposing -= value; }
		}
		
/*		public event ObjectDataSourceResolvingMethodEventHandler ResolvingMethod {
			add { DefaultView.ResolvingMethod += value; }
			remove { DefaultView.ResolvingMethod -= value; }
		}
*/
		public event ObjectDataSourceStatusEventHandler Selected {
			add { DefaultView.Selected += value; }
			remove { DefaultView.Selected -= value; }
		}
		
		public event ObjectDataSourceSelectingEventHandler Selecting {
			add { DefaultView.Selecting += value; }
			remove { DefaultView.Selecting -= value; }
		}
		
		public event ObjectDataSourceStatusEventHandler Updated {
			add { DefaultView.Updated += value; }
			remove { DefaultView.Updated -= value; }
		}
		
		public event ObjectDataSourceMethodEventHandler Updating {
			add { DefaultView.Updating += value; }
			remove { DefaultView.Updating -= value; }
		}

	    [WebCategoryAttribute ("Paging")]
	    [DefaultValueAttribute (false)]
		public virtual bool EnablePaging {
			get { return DefaultView.EnablePaging; }
			set { DefaultView.EnablePaging = value; }
		}
		
	    [WebCategoryAttribute ("Paging")]
	    [DefaultValueAttribute ("maximumRows")]
		public string MaximumRowsParameterName {
			get { return DefaultView.MaximumRowsParameterName; }
			set { DefaultView.MaximumRowsParameterName = value; }
		}
		
	    [WebCategoryAttribute ("Paging")]
	    [DefaultValueAttribute ("")]
		public virtual string SelectCountMethod {
			get { return DefaultView.SelectCountMethod; }
			set { DefaultView.SelectCountMethod = value; }
		}
		
	    [DefaultValueAttribute ("")]
	    [WebCategoryAttribute ("Data")]
		public virtual string SelectMethod {
			get { return DefaultView.SelectMethod; }
			set { DefaultView.SelectMethod = value; }
		}
		
	    [WebCategoryAttribute ("Data")]
	    [MergablePropertyAttribute (false)]
	    [EditorAttribute ("System.Web.UI.Design.WebControls.ParameterCollectionEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
	    [DefaultValueAttribute (null)]
	    [PersistenceModeAttribute (PersistenceMode.InnerProperty)]
		public ParameterCollection SelectParameters {
			get { return DefaultView.SelectParameters; }
		}

	    [WebCategoryAttribute ("Paging")]
	    [DefaultValueAttribute ("startRowIndex")]
		public string StartRowIndexParameterName {
			get { return DefaultView.StartRowIndexParameterName; }
			set { DefaultView.StartRowIndexParameterName = value; }
		}
		
	    [DefaultValueAttribute ("")]
	    [WebCategoryAttribute ("Data")]
		public virtual string TypeName {
			get { return DefaultView.TypeName; }
			set { DefaultView.TypeName = value; }
		}
		
	    [DefaultValueAttribute ("")]
	    [WebCategoryAttribute ("Data")]
		public virtual string UpdateMethod {
			get { return DefaultView.UpdateMethod; }
			set { DefaultView.UpdateMethod = value; }
		}
		
	    [WebCategoryAttribute ("Data")]
	    [MergablePropertyAttribute (false)]
	    [EditorAttribute ("System.Web.UI.Design.WebControls.ParameterCollectionEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
	    [DefaultValueAttribute (null)]
	    [PersistenceModeAttribute (PersistenceMode.InnerProperty)]
		public ParameterCollection UpdateParameters {
			get { return DefaultView.UpdateParameters; }
		}
		
		protected override DataSourceView GetView (string viewName)
		{
			return DefaultView;
		}
		
		protected override ICollection GetViewNames ()
		{
			return new string [] { "DefaultView" };
		}
		
		public IEnumerable Select ()
		{
			return DefaultView.Select (DataSourceSelectArguments.Empty);
		}
		
		protected override void LoadViewState (object savedState)
		{
			if (savedState == null) {
				base.LoadViewState (null);
				((IStateManager)DefaultView).LoadViewState (null);
			} else {
				Pair p = (Pair) savedState;
				base.LoadViewState (p.First);
				((IStateManager)DefaultView).LoadViewState (p.Second);
			}
		}

		protected override object SaveViewState()
		{
			object baseState = base.SaveViewState ();
			object viewState = ((IStateManager)DefaultView).SaveViewState ();
			if (baseState != null || viewState != null) return new Pair (baseState, viewState);
			else return null;
		}

		protected override void TrackViewState()
		{
			((IStateManager)DefaultView).TrackViewState ();
		}
	}
}
#endif