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//
// System.Web.UI.WebControls.Panel.cs
//
// Authors:
// Gaurav Vaish (gvaish@iitk.ac.in)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Gaurav Vaish (2002)
// (C) 2003 Andreas Nahr
//
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.WebControls
{
[Designer ("System.Web.UI.Design.WebControls.PanelDesigner, " + Consts.AssemblySystem_Design, typeof (IDesigner))]
[ParseChildren(false)]
[PersistChildren(true)]
[ToolboxData("<{0}:Panel runat=\"server\">Panel</{0}:Panel>")]
public class Panel: WebControl
{
public Panel(): base(HtmlTextWriterTag.Div)
{
}
[DefaultValue (""), Bindable (true), WebCategory ("Appearance")]
[Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, typeof (System.Drawing.Design.UITypeEditor))]
[WebSysDescription ("An Url specifying the background image for the panel.")]
public virtual string BackImageUrl
{
get
{
object o = ViewState["BackImageUrl"];
if(o != null)
return (string)o;
return String.Empty;
}
set
{
ViewState["BackImageUrl"] = value;
}
}
[DefaultValue (typeof (HorizontalAlign), "NotSet"), Bindable (true), WebCategory ("Layout")]
[WebSysDescription ("The horizonal alignment of the panel.")]
public virtual HorizontalAlign HorizontalAlign
{
get
{
object o = ViewState["HorizontalAlign"];
if(o != null)
return (HorizontalAlign)o;
return HorizontalAlign.NotSet;
}
set
{
if(!Enum.IsDefined(typeof(HorizontalAlign), value))
{
throw new ArgumentOutOfRangeException ("value", "Only valid enumeration members are allowed");
}
ViewState["HorizontalAlign"] = value;
}
}
[DefaultValue (true), Bindable (true), WebCategory ("Layout")]
[WebSysDescription ("Determines if the content wraps at line-end.")]
public virtual bool Wrap
{
get
{
object o = ViewState["Wrap"];
if(o != null)
return (bool)o;
return true;
}
set
{
ViewState["Wrap"] = value;
}
}
protected override void AddAttributesToRender(HtmlTextWriter writer)
{
base.AddAttributesToRender(writer);
if(BackImageUrl.Length > 0)
{
writer.AddStyleAttribute(HtmlTextWriterStyle.BackgroundImage, "url(" + ResolveUrl(BackImageUrl) + ")");
}
if(HorizontalAlign != HorizontalAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, TypeDescriptor.GetConverter(typeof(HorizontalAlign)).ConvertToString(HorizontalAlign));
}
if(!Wrap)
{
writer.AddAttribute(HtmlTextWriterAttribute.Nowrap, "nowrap");
}
}
}
}
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