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//
// System.Web.UI.WebControls.DataControlFieldCollection.cs
//
// Authors:
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2004-2010 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.
//
//
using System;
using System.Collections;
using System.Web.UI;
using System.ComponentModel;
namespace System.Web.UI.WebControls
{
public sealed class DataControlFieldCollection: StateManagedCollection
{
static readonly object fieldsChangedEvent = new object ();
static readonly Type[] fieldTypes = new Type [] {
typeof(BoundField), typeof(HyperLinkField), typeof(ImageField),
typeof(TemplateField), typeof(AutoGeneratedField), typeof(CheckBoxField),
typeof(ButtonField), typeof(CommandField)
};
EventHandlerList events = new EventHandlerList ();
public event EventHandler FieldsChanged {
add { events.AddHandler (fieldsChangedEvent, value); }
remove { events.RemoveHandler (fieldsChangedEvent, value); }
}
public DataControlFieldCollection CloneFields ()
{
DataControlFieldCollection col = new DataControlFieldCollection ();
foreach (DataControlField field in this)
col.Add (field.CloneField ());
return col;
}
public void Add (DataControlField field)
{
((IList)this).Add (field);
}
public bool Contains (DataControlField field)
{
return ((IList)this).Contains (field);
}
public void CopyTo (DataControlField[] array, int index)
{
((IList)this).CopyTo (array, index);
}
public int IndexOf (DataControlField field)
{
return ((IList)this).IndexOf (field);
}
public void Insert (int index, DataControlField field)
{
((IList)this).Insert (index, field);
}
public void Remove (DataControlField field)
{
((IList)this).Remove (field);
}
public void RemoveAt (int index)
{
((IList)this).RemoveAt (index);
}
[Browsable (false)]
public DataControlField this [int index] {
get { return (DataControlField) ((IList)this) [index]; }
}
protected override void OnInsertComplete (int index, object value)
{
DataControlField field = (DataControlField) value;
field.FieldChanged += new EventHandler (OnFieldChanged);
OnFieldsChanged ();
}
protected override void OnRemoveComplete (int index, object value)
{
DataControlField field = (DataControlField) value;
field.FieldChanged -= new EventHandler (OnFieldChanged);
OnFieldsChanged ();
}
protected override void OnClearComplete ()
{
OnFieldsChanged ();
}
void OnFieldChanged (object sender, EventArgs args)
{
OnFieldsChanged ();
}
void OnFieldsChanged ()
{
EventHandler eh = events [fieldsChangedEvent] as EventHandler;
if (eh != null)
eh (this, EventArgs.Empty);
}
[MonoTODO ("Validate whatever needs to be validated here.")]
protected override void OnValidate (object o)
{
base.OnValidate (o);
}
protected override void SetDirtyObject (object o)
{
((DataControlField)o).SetDirty ();
}
protected override object CreateKnownType (int index)
{
switch (index) {
case 0: return new BoundField ();
case 1: return new HyperLinkField ();
case 2: return new ImageField ();
case 3: return new TemplateField ();
case 4: return new AutoGeneratedField ();
case 5: return new CheckBoxField ();
case 6: return new ButtonField ();
case 7: return new CommandField ();
}
return null;
}
protected override Type [] GetKnownTypes ()
{
return fieldTypes;
}
}
}
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