2 // System.Web.UI.WebControls.DataControlFieldCollection.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
7 // (C) 2005 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
34 using System.Collections;
36 using System.ComponentModel;
38 namespace System.Web.UI.WebControls
40 public sealed class DataControlFieldCollection: StateManagedCollection
42 static readonly object fieldsChangedEvent = new object ();
44 static readonly Type[] fieldTypes = new Type [] {
45 typeof(BoundField), typeof(HyperLinkField), typeof(ImageField),
46 typeof(TemplateField), typeof(AutoGeneratedField), typeof(CheckBoxField),
47 typeof(ButtonField), typeof(CommandField)
50 EventHandlerList events = new EventHandlerList ();
52 public event EventHandler FieldsChanged {
53 add { events.AddHandler (fieldsChangedEvent, value); }
54 remove { events.RemoveHandler (fieldsChangedEvent, value); }
57 public DataControlFieldCollection CloneFields ()
59 DataControlFieldCollection col = new DataControlFieldCollection ();
60 foreach (DataControlField field in this)
61 col.Add (field.CloneField ());
65 public void Add (DataControlField field)
67 ((IList)this).Add (field);
70 public bool Contains (DataControlField field)
72 return ((IList)this).Contains (field);
75 public void CopyTo (DataControlField[] array, int index)
77 ((IList)this).CopyTo (array, index);
80 public int IndexOf (DataControlField field)
82 return ((IList)this).IndexOf (field);
85 public void Insert (int index, DataControlField field)
87 ((IList)this).Insert (index, field);
90 public void Remove (DataControlField field)
92 ((IList)this).Remove (field);
95 public void RemoveAt (int index)
97 ((IList)this).RemoveAt (index);
101 public DataControlField this [int i] {
102 get { return (DataControlField) ((IList)this) [i]; }
105 protected override void OnInsertComplete (int index, object value) {
106 DataControlField field = (DataControlField) value;
107 field.FieldChanged += new EventHandler (OnFieldChanged);
111 protected override void OnRemoveComplete (int index, object value) {
112 DataControlField field = (DataControlField) value;
113 field.FieldChanged -= new EventHandler (OnFieldChanged);
117 protected override void OnClearComplete () {
121 void OnFieldChanged (object sender, EventArgs args)
126 void OnFieldsChanged ()
128 EventHandler eh = events [fieldsChangedEvent] as EventHandler;
130 eh (this, EventArgs.Empty);
133 protected override void SetDirtyObject (object o)
135 ((DataControlField)o).SetDirty ();
138 protected override object CreateKnownType (int index)
141 case 0: return new BoundField ();
142 case 1: return new HyperLinkField ();
143 case 2: return new ImageField ();
144 case 3: return new TemplateField ();
145 case 4: return new AutoGeneratedField ();
146 case 5: return new CheckBoxField ();
147 case 6: return new ButtonField ();
148 case 7: return new CommandField ();
153 protected override Type [] GetKnownTypes ()