/mcs/class/System.Web.Extensions/System.Web.UI.WebControls/DataPagerFieldCollection.cs
C# | 204 lines | 145 code | 31 blank | 28 comment | 15 complexity | e85cf85fdfa2054d0c06f0d475d36ee2 MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //
- // System.Web.UI.WebControls.DataPagerFieldCollection
- //
- // Authors:
- // Marek Habersack (mhabersack@novell.com)
- //
- // (C) 2007-2008 Novell, Inc
- //
- //
- // 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_3_5
- using System;
- using System.Collections;
- using System.ComponentModel;
- using System.Security.Permissions;
- using System.Web;
- using System.Web.UI;
- namespace System.Web.UI.WebControls
- {
- [AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- [AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- public class DataPagerFieldCollection : StateManagedCollection
- {
- enum KnownTypeIndexes
- {
- NextPreviousPagerField = 0,
- NumericPagerField = 1,
- TemplatePagerField = 2
- }
-
- static readonly Type[] knownTypes = {
- typeof (NextPreviousPagerField),
- typeof (NumericPagerField),
- typeof (TemplatePagerField)
- };
- static readonly object FieldsChangedEvent = new object ();
-
- IList list;
- DataPager owner;
- EventHandlerList events;
- public event EventHandler FieldsChanged {
- add { AddEventHandler (FieldsChangedEvent, value); }
- remove { RemoveEventHandler (FieldsChangedEvent, value); }
- }
-
- public DataPagerFieldCollection (DataPager dataPager)
- {
- list = (IList)this;
- owner = dataPager;
- }
- public void Add (DataPagerField field)
- {
- list.Add (field);
- }
- public DataPagerFieldCollection CloneFields (DataPager pager)
- {
- throw new NotImplementedException ();
- }
- public bool Contains (DataPagerField field)
- {
- return list.Contains (field);
- }
- public void CopyTo (DataPagerField[] array, int index)
- {
- }
- protected override object CreateKnownType (int index)
- {
- if (!Enum.IsDefined (typeof (KnownTypeIndexes), index))
- throw new ArgumentOutOfRangeException ("index");
- return Activator.CreateInstance (knownTypes [index]);
- }
-
- protected override Type[] GetKnownTypes ()
- {
- return knownTypes;
- }
- public int IndexOf (DataPagerField field)
- {
- return list.IndexOf (field);
- }
- public void Insert (int index, DataPagerField field)
- {
- list.Insert (index, field);
- }
- protected override void OnClearComplete ()
- {
- base.OnClearComplete ();
- InvokeEvent (FieldsChangedEvent, EventArgs.Empty);
- }
- protected override void OnInsertComplete (int index, object value)
- {
- base.OnInsertComplete (index, value);
- DataPagerField field = value as DataPagerField;
- if (field == null)
- return;
-
- field.SetDataPager (owner);
- field.FieldChanged += new EventHandler (FieldHasChanged);
- InvokeEvent (FieldsChangedEvent, EventArgs.Empty);
- }
- protected override void OnRemoveComplete (int index, object value)
- {
- base.OnRemoveComplete (index, value);
- DataPagerField field = value as DataPagerField;
- if (field == null)
- return;
- field.SetDataPager (null);
- field.FieldChanged -= new EventHandler (FieldHasChanged);
- InvokeEvent (FieldsChangedEvent, EventArgs.Empty);
- }
- protected override void OnValidate (object o)
- {
- base.OnValidate (o);
- DataPagerField field = o as DataPagerField;
- if (field == null)
- throw new ArgumentException ("is not an instance of the DataPagerField class or of one of its derived classes.", "o");
- }
- public void Remove (DataPagerField field)
- {
- list.Remove (field);
- }
- public void RemoveAt (int index)
- {
- list.RemoveAt (index);
- }
- protected override void SetDirtyObject (object o)
- {
- }
- [BrowsableAttribute(false)]
- public DataPagerField this [int index] {
- get { return list [index] as DataPagerField; }
- }
- void FieldHasChanged (object sender, EventArgs args)
- {
- InvokeEvent (FieldsChangedEvent, EventArgs.Empty);
- }
- void AddEventHandler (object key, EventHandler handler)
- {
- if (events == null)
- events = new EventHandlerList ();
- events.AddHandler (key, handler);
- }
- void RemoveEventHandler (object key, EventHandler handler)
- {
- if (events == null)
- return;
- events.RemoveHandler (key, handler);
- }
- void InvokeEvent (object key, EventArgs args)
- {
- if (events == null)
- return;
- EventHandler eh = events [key] as EventHandler;
- if (eh == null)
- return;
- eh (this, args);
- }
- }
- }
- #endif