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/**
* Namespace: System.Web.UI.WebControls
* Class: TableItemStyle
*
* Author: Gaurav Vaish
* Maintainer: gvaish@iitk.ac.in
* Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>
* Implementation: yes
* Status: 100%
*
* (C) Gaurav Vaish (2002)
*/
using System;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.WebControls
{
public class TableItemStyle: Style
{
private static int H_ALIGN = (0x01 << 16);
private static int V_ALIGN = (0x01 << 17);
private static int WRAP = (0x01 << 18);
public TableItemStyle(): base()
{
}
public TableItemStyle(StateBag bag): base(bag)
{
}
[Bindable(true)]
[DefaultValue(HorizontalAlign.NotSet)]
[NotifyParentProperty(true)]
[WebCategory("Layout")]
[WebSysDescription("TableItemStyle_HorizontalAlign")]
public virtual HorizontalAlign HorizontalAlign
{
get
{
if(IsSet(H_ALIGN))
return (HorizontalAlign)ViewState["HorizontalAlign"];
return HorizontalAlign.NotSet;
}
set
{
if(!Enum.IsDefined(typeof(HorizontalAlign), value))
{
throw new ArgumentException();
}
ViewState["HorizontalAlign"] = value;
Set(H_ALIGN);
}
}
[Bindable(true)]
[DefaultValue(VerticalAlign.NotSet)]
[NotifyParentProperty(true)]
[WebCategory("Layout")]
[WebSysDescription("TableItemStyle_VerticalAlign")]
public virtual VerticalAlign VerticalAlign
{
get
{
if(IsSet(V_ALIGN))
return (VerticalAlign)ViewState["VerticalAlign"];
return VerticalAlign.NotSet;
}
set
{
if(!Enum.IsDefined(typeof(VerticalAlign), value))
{
throw new ArgumentException();
}
ViewState["VerticalAlign"] = value;
Set(V_ALIGN);
}
}
[Bindable(true)]
[DefaultValue(VerticalAlign.NotSet)]
[NotifyParentProperty(true)]
[WebCategory("Layout")]
[WebSysDescription("TableItemStyle_Wrap")]
public virtual bool Wrap
{
get
{
if(IsSet(WRAP))
return (bool)ViewState["Wrap"];
return true;
}
set
{
ViewState["Wrap"] = value;
}
}
public override void CopyFrom(Style s)
{
if(s!=null && s is TableItemStyle && !s.IsEmpty)
{
base.CopyFrom(s);
TableItemStyle from = (TableItemStyle)s;
if(from.IsSet(H_ALIGN))
{
HorizontalAlign = from.HorizontalAlign;
}
if(from.IsSet(V_ALIGN))
{
VerticalAlign = from.VerticalAlign;
}
if(from.IsSet(WRAP))
{
Wrap = from.Wrap;
}
}
}
public override void MergeWith(Style s)
{
if(s!=null && s is TableItemStyle && !s.IsEmpty)
{
base.MergeWith(s);
TableItemStyle with = (TableItemStyle)s;
if(with.IsSet(H_ALIGN) && !IsSet(H_ALIGN))
{
HorizontalAlign = with.HorizontalAlign;
}
if(with.IsSet(V_ALIGN) && !IsSet(V_ALIGN))
{
VerticalAlign = with.VerticalAlign;
}
if(with.IsSet(WRAP) && !IsSet(WRAP))
{
Wrap = with.Wrap;
}
}
}
public override void Reset()
{
if(IsSet(H_ALIGN))
ViewState.Remove("HorizontalAlign");
if(IsSet(V_ALIGN))
ViewState.Remove("VerticalAlign");
if(IsSet(WRAP))
ViewState.Remove("Wrap");
base.Reset();
}
public override void AddAttributesToRender(HtmlTextWriter writer, WebControl owner)
{
base.AddAttributesToRender(writer, owner);
if(!Wrap)
{
writer.AddAttribute(HtmlTextWriterAttribute.Nowrap, "nowrap");
}
if(HorizontalAlign != HorizontalAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, TypeDescriptor.GetConverter(typeof(HorizontalAlign)).ConvertToString(HorizontalAlign));
}
if(VerticalAlign != VerticalAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Valign, TypeDescriptor.GetConverter(typeof(VerticalAlign)).ConvertToString(VerticalAlign));
}
}
}
}
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