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//
// System.Web.UI.WebControls/ParameterCollection.cs
//
// Author: Todd Berman <tberman@gentoo.org>
//
// (C) 2003 Todd Berman
#if NET_2_0
using System.Web.UI;
using System.Collections;
using System.Collections.Specialized;
namespace System.Web.UI.WebControls
{
public class ParameterCollection : StateManagedCollection
{
private static Type[] _knownTypes = new Type[] {
typeof (ControlParameter),
typeof (CookieParameter),
typeof (FormParameter),
typeof (Parameter),
typeof (QueryStringParameter),
typeof (SessionParameter) };
private EventHandler _parametersChanged;
private KeyedList _values;
public int Add (Parameter param)
{
return ((IList)this).Add (param);
}
public int Add (string name, string value)
{
return ((IList)this).Add (new Parameter (name, TypeCode.Object, value));
}
public int Add (string name, TypeCode type, string value)
{
return ((IList)this).Add (new Parameter (name, type, value));
}
protected override object CreateKnownType (int idx)
{
switch (idx) {
case 0:
return new ControlParameter ();
break;
case 1:
return new CookieParameter ();
break;
case 2:
return new FormParameter ();
break;
case 3:
return new Parameter ();
break;
case 4:
return new QueryStringParameter ();
break;
case 5:
return new SessionParameter ();
break;
}
throw new ArgumentOutOfRangeException ("index");
}
protected override Type[] GetKnownTypes ()
{
return _knownTypes;
}
public IOrderedDictionary GetValues (Control control)
{
if (_values == null)
{
_values = new KeyedList ();
foreach (Parameter param in this)
{
string name = param.Name;
for (int i = 1; _values.Contains (name); i++)
{
name = param.Name + i.ToString ();
}
_values.Add (name, param.ParameterValue);
}
}
return _values;
}
public void Insert (int idx, Parameter param)
{
((IList)this).Insert (idx, param);
}
protected override void OnClearComplete ()
{
base.OnClearComplete ();
OnParametersChanged (EventArgs.Empty);
}
protected override void OnInsert (int idx, object value)
{
base.OnInsert (idx, value);
((Parameter)value).SetOwnerCollection (this);
}
protected override void OnInsertComplete (int idx, object value)
{
base.OnInsertComplete (idx, value);
OnParametersChanged (EventArgs.Empty);
}
protected virtual void OnParametersChanged (EventArgs e)
{
if (_parametersChanged != null)
_parametersChanged(this, e);
_values = null;
}
protected override void OnValidate (object o)
{
base.OnValidate (o);
if ((o is Parameter) == false)
throw new ArgumentException ("o is not a Parameter");
}
public void Remove (Parameter param)
{
((IList)this).Remove (param);
}
public void RemoveAt (int idx)
{
((IList)this).RemoveAt (idx);
}
[MonoTODO("eh?")]
protected override void SetDirtyObject (object o)
{
throw new NotImplementedException ();
}
internal void CallOnParameterChanged ()
{
OnParametersChanged (EventArgs.Empty);
}
private int IndexOfString (string name)
{
for (int i = 0; i < Count; i++)
{
if (((Parameter)((IList)this)[i]).Name == name)
return i;
}
return -1;
}
public Parameter this[int idx] {
get {
return (Parameter) ((IList)this)[idx];
}
set {
((IList)this)[idx] = value;
}
}
public Parameter this[string name] {
get {
int idx = IndexOfString (name);
if (idx == -1)
return null;
return ((Parameter) ((IList)this)[idx]);
}
set {
int idx = IndexOfString (name);
if (idx == -1) {
Add (value);
return;
}
((IList)this)[idx] = value;
}
}
public event EventHandler ParametersChanged {
add { _parametersChanged += value; }
remove { _parametersChanged -= value; }
}
}
}
#endif
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