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//
// System.Web.UI.WebControls.Label.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
{
[DefaultProperty("Text")]
[Designer("System.Web.UI.Design.WebControls.LabelDesigner, " + Consts.AssemblySystem_Design, typeof (IDesigner))]
[DataBindingHandler("System.Web.UI.Design.TextDataBindingHandler, " + Consts.AssemblySystem_Design)]
[ControlBuilder(typeof(LabelControlBuilder))]
[ParseChildren(false)]
[ToolboxData("<{0}:Label runat=\"server\">Label</{0}:Label>")]
public class Label : WebControl
{
public Label (): base ()
{
}
internal Label (HtmlTextWriterTag tagKey) : base (tagKey)
{
}
[DefaultValue (""), Bindable (true), WebCategory ("Appearance")]
[PersistenceMode (PersistenceMode.InnerDefaultProperty)]
[WebSysDescription ("The text that should be shown on this Label.")]
public virtual string Text
{
get {
object o = ViewState ["Text"];
return (o == null) ? String.Empty : (string) o;
}
set { ViewState ["Text"] = value; }
}
protected override void AddParsedSubObject (object obj)
{
if(HasControls ()){
base.AddParsedSubObject (obj);
return;
}
if(obj is LiteralControl){
Text = ((LiteralControl) obj).Text;
return;
}
if(Text.Length > 0){
base.AddParsedSubObject (new LiteralControl (Text));
Text = String.Empty;
}
base.AddParsedSubObject (obj);
}
protected override void LoadViewState (object savedState)
{
if(savedState != null) {
base.LoadViewState (savedState);
string savedText = ViewState ["Text"] as string;
if(savedText != null)
Text = savedText;
}
}
protected override void RenderContents (HtmlTextWriter writer)
{
if(HasControls ())
base.RenderContents (writer);
else
writer.Write (Text);
}
}
}
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