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//
// System.Web.UI.WebControls.Label.cs
//
// Authors:
// Ben Maurer (bmaurer@novell.com)
//
// (C) 2005-2010 Novell, Inc (http://www.novell.com)
//
// TODO: Are we missing something in LoadViewState?
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI.WebControls
{
// CAS
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
// attributes
[ControlBuilder(typeof(HyperLinkControlBuilder))]
[DataBindingHandler("System.Web.UI.Design.HyperLinkDataBindingHandler, " + Consts.AssemblySystem_Design)]
[ParseChildren (false)]
[ToolboxData("<{0}:HyperLink runat=\"server\">HyperLink</{0}:HyperLink>")]
[DefaultProperty("Text")]
[Designer("System.Web.UI.Design.WebControls.HyperLinkDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
public class HyperLink : WebControl
{
public HyperLink () : base (HtmlTextWriterTag.A)
{
}
protected override void AddAttributesToRender (HtmlTextWriter w)
{
base.AddAttributesToRender (w);
AddDisplayStyleAttribute (w);
if (!IsEnabled)
return;
// add attributes - only if they're not empty
string t = Target;
string s = NavigateUrl;
if (s.Length > 0)
#if TARGET_J2EE
w.AddAttribute (HtmlTextWriterAttribute.Href, ResolveClientUrl (s, String.Compare (t, "_blank", StringComparison.InvariantCultureIgnoreCase) != 0));
#else
w.AddAttribute (HtmlTextWriterAttribute.Href, ResolveClientUrl (s));
#endif
if (t.Length > 0)
w.AddAttribute (HtmlTextWriterAttribute.Target, t);
}
protected override void AddParsedSubObject (object obj)
{
if (HasControls ()) {
base.AddParsedSubObject (obj);
return;
}
LiteralControl lc = obj as LiteralControl;
if (lc == null) {
string s = Text;
if (s.Length != 0) {
Text = null;
Controls.Add (new LiteralControl (s));
}
base.AddParsedSubObject (obj);
} else
Text = lc.Text;
}
[MonoTODO ("Why override?")]
protected override void LoadViewState (object savedState)
{
base.LoadViewState (savedState);
}
protected internal override void RenderContents (HtmlTextWriter w)
{
if (HasControls () || HasRenderMethodDelegate ()) {
base.RenderContents (w);
return;
}
string image_url = ImageUrl;
if (!String.IsNullOrEmpty (image_url)) {
string str = ToolTip;
if (!String.IsNullOrEmpty (str))
w.AddAttribute (HtmlTextWriterAttribute.Title, str);
w.AddAttribute (HtmlTextWriterAttribute.Src, ResolveClientUrl (image_url));
str = Text;
#if !NET_4_0
if (!String.IsNullOrEmpty (str))
#endif
w.AddAttribute (HtmlTextWriterAttribute.Alt, str);
#if !NET_4_0
w.AddStyleAttribute (HtmlTextWriterStyle.BorderWidth, "0px");
#endif
w.RenderBeginTag (HtmlTextWriterTag.Img);
w.RenderEndTag ();
} else
w.Write (Text);
}
[Bindable(true)]
[DefaultValue("")]
[Editor("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, typeof(System.Drawing.Design.UITypeEditor))]
[UrlProperty]
[WebSysDescription ("")]
[WebCategory ("Appearance")]
public virtual string ImageUrl {
get { return ViewState.GetString ("ImageUrl", String.Empty); }
set { ViewState ["ImageUrl"] = value; }
}
[Bindable(true)]
[DefaultValue("")]
[Editor("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, typeof(System.Drawing.Design.UITypeEditor))]
[UrlProperty]
[WebSysDescription ("")]
[WebCategory ("Navigation")]
public string NavigateUrl {
get { return ViewState.GetString ("NavigateUrl", String.Empty); }
set { ViewState ["NavigateUrl"] = value; }
}
[DefaultValue("")]
[TypeConverter(typeof(System.Web.UI.WebControls.TargetConverter))]
[WebSysDescription ("")]
[WebCategory ("Navigation")]
public string Target {
get { return ViewState.GetString ("Target", String.Empty); }
set { ViewState ["Target"] = value; }
}
[Bindable(true)]
[DefaultValue("")]
[PersistenceMode(PersistenceMode.InnerDefaultProperty)]
[Localizable (true)]
[WebSysDescription ("")]
[WebCategory ("Appearance")]
public virtual string Text {
get { return ViewState.GetString ("Text", String.Empty); }
set {
ViewState ["Text"] = value;
if (HasControls ())
Controls.Clear ();
}
}
#if NET_4_0
public override bool SupportsDisabledAttribute {
get { return RenderingCompatibilityLessThan40; }
}
#endif
}
}
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