113 lines
3.5 KiB
C#
113 lines
3.5 KiB
C#
//
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// System.Web.UI.WebControls.TemplatePagerField
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//
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// Authors:
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// Marek Habersack (mhabersack@novell.com)
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//
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// (C) 2007-2008 Novell, Inc
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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;
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using System.ComponentModel;
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using System.Security.Permissions;
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using System.Web;
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using System.Web.UI;
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namespace System.Web.UI.WebControls
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{
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[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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public class TemplatePagerField : DataPagerField
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{
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static object PagerCommandEvent = new object ();
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EventHandlerList events = new EventHandlerList ();
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public event EventHandler <DataPagerCommandEventArgs> PagerCommand {
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add { events.AddHandler (PagerCommandEvent, value); }
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remove { events.RemoveHandler (PagerCommandEvent, value); }
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}
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[TemplateContainerAttribute(typeof(DataPagerFieldItem), BindingDirection.TwoWay)]
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[BrowsableAttribute(false)]
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[PersistenceModeAttribute(PersistenceMode.InnerProperty)]
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public virtual ITemplate PagerTemplate {
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get;
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set;
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}
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public TemplatePagerField ()
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{
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}
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protected override void CopyProperties (DataPagerField newField)
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{
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base.CopyProperties (newField);
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var field = newField as TemplatePagerField;
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if (field == null)
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return;
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field.PagerTemplate = PagerTemplate;
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}
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public override void CreateDataPagers (DataPagerFieldItem container, int startRowIndex, int maximumRows, int totalRowCount, int fieldIndex)
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{
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ITemplate pagerTemplate = PagerTemplate;
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if (pagerTemplate == null)
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return;
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pagerTemplate.InstantiateIn (container);
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}
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protected override DataPagerField CreateField ()
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{
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return new TemplatePagerField ();
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}
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public override void HandleEvent (CommandEventArgs e)
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{
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var args = e as DataPagerCommandEventArgs;
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if (args == null)
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return;
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DataPager pager = DataPager;
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var eventArgs = new DataPagerCommandEventArgs (this, pager.TotalRowCount, e, args.Item);
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OnPagerCommand (eventArgs);
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int newStartRowIndex = eventArgs.NewStartRowIndex;
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if (newStartRowIndex < 0)
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return;
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pager.SetPageProperties (newStartRowIndex, eventArgs.NewMaximumRows, true);
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}
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protected virtual void OnPagerCommand (DataPagerCommandEventArgs e)
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{
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EventHandler <DataPagerCommandEventArgs> eh = events [PagerCommandEvent] as EventHandler <DataPagerCommandEventArgs>;
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if (eh != null)
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eh (this, e);
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}
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}
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}
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