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/* System.Web.UI.HtmlControls
* Authors
* Leen Toelen (toelen@hotmail.com)
*/
using System;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.HtmlControls{
[DefaultEvent("ServerClick")]
public class HtmlAnchor : HtmlContainerControl, IPostBackEventHandler{
private static readonly object EventServerClick = new object ();
public HtmlAnchor(): base("a"){}
protected override void OnPreRender (EventArgs e)
{
base.OnPreRender (e);
if (Page != null && Events [EventServerClick] != null)
Page.RequiresPostBackScript ();
}
protected virtual void OnServerClick(EventArgs e){
EventHandler handler;
handler = (EventHandler) Events[EventServerClick];
if (handler != null)
handler (this, e);
}
protected override void RenderAttributes(HtmlTextWriter writer){
if ( Events[EventServerClick] != null){
Attributes.Remove("href");
base.RenderAttributes(writer);
writer.WriteAttribute("href", Page.GetPostBackClientHyperlink(this,String.Empty));
}
else{
PreProcessRelativeReference(writer,"href");
base.RenderAttributes(writer);
}
}
void System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(string eventArgument){
OnServerClick(EventArgs.Empty);
}
[WebCategory("Action")]
[WebSysDescription("Fires when the control is clicked.")]
public event EventHandler ServerClick{
add{
Events.AddHandler(EventServerClick, value);
}
remove{
Events.RemoveHandler(EventServerClick, value);
}
}
[DefaultValue("")]
[WebCategory("Action")]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public string HRef{
get{
string attr = Attributes["href"];
if (attr != null) return attr;
return String.Empty;
}
set{
Attributes["href"] = AttributeToString(value);
}
}
[DefaultValue("")]
[WebCategory("Navigation")]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public string Name{
get{
string attr = Attributes["name"];
if (attr != null) return attr;
return String.Empty;
}
set{
Attributes["name"] = AttributeToString(value);
}
}
[DefaultValue("")]
[WebCategory("Navigation")]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public string Target{
get{
string attr = Attributes["target"];
if (attr != null) return attr;
return String.Empty;
}
set{
Attributes["target"] = AttributeToString(value);
}
}
[DefaultValue("")]
[WebCategory("Appearance")]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public string Title{
get{
string attr = Attributes["title"];
if (attr != null) return attr;
return String.Empty;
}
set{
Attributes["title"] = AttributeToString(value);
}
}
} // class HtmlAnchor
} // namespace System.Web.UI.HtmlControls
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