129 lines
3.8 KiB
C#
129 lines
3.8 KiB
C#
//
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// System.Web.UI.HierarchicalDataSourceControl
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//
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// Authors:
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// Ben Maurer (bmaurer@users.sourceforge.net)
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// Lluis Sanchez Gual (lluis@novell.com)
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//
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// (C) 2003 Ben Maurer
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// (C) 2005-2010 Novell, Inc (http://www.novell.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections;
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using System.Collections.Specialized;
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using System.Text;
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using System.ComponentModel;
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namespace System.Web.UI
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{
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[NonVisualControlAttribute]
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[DesignerAttribute ("System.Web.UI.Design.HierarchicalDataSourceDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
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[ControlBuilderAttribute (typeof(DataSourceControlBuilder))]
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[BindableAttribute (false)]
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public abstract class HierarchicalDataSourceControl : Control, IHierarchicalDataSource
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{
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static object dataSourceChanged = new object ();
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protected HierarchicalDataSourceControl()
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{
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}
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protected abstract HierarchicalDataSourceView GetHierarchicalView (string viewPath);
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HierarchicalDataSourceView IHierarchicalDataSource.GetHierarchicalView (string viewPath)
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{
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return GetHierarchicalView (viewPath);
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}
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[Browsable (false)]
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[DefaultValue (false)]
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override bool EnableTheming {
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get { return false; }
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set { throw new NotSupportedException (); }
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}
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[Browsable (false)]
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[DefaultValue ("")]
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override string SkinID {
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get { return string.Empty; }
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set { throw new NotSupportedException (); }
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}
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[Browsable (false)]
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[DefaultValue (false)]
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override bool Visible {
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get { return false; }
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set { throw new NotSupportedException (); }
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}
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protected override ControlCollection CreateControlCollection ()
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{
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return new EmptyControlCollection (this);
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}
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override Control FindControl (string id)
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{
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if (id == ID) return this;
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else return null;
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}
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override bool HasControls ()
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{
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return false;
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}
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override void Focus ()
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{
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throw new NotSupportedException ();
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}
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event EventHandler System.Web.UI.IHierarchicalDataSource.DataSourceChanged {
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add { Events.AddHandler (dataSourceChanged, value); }
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remove { Events.RemoveHandler (dataSourceChanged, value); }
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}
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protected virtual void OnDataSourceChanged (EventArgs e)
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{
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EventHandler eh = Events [dataSourceChanged] as EventHandler;
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if (eh != null)
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eh (this, e);
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}
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[EditorBrowsable (EditorBrowsableState.Never)]
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public override void RenderControl (HtmlTextWriter writer)
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{
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// nop
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}
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}
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}
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