-/**\r
- * Namespace: System.Web.UI.WebControls\r
- * Class: LinkButton\r
- *\r
- * Author: Gaurav Vaish\r
- * Maintainer: gvaish@iitk.ac.in\r
- * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>\r
- * Implementation: yes\r
- * Status: 100%\r
- *\r
- * (C) Gaurav Vaish (2001)\r
- */\r
-\r
-using System;\r
-using System.Web;\r
-using System.Web.UI;\r
-using System.ComponentModel;\r
-\r
-namespace System.Web.UI.WebControls\r
-{\r
- [DefaultEvent("Click")]\r
- [DefaultProperty("Text")]\r
- //[Designer("??")]\r
- [ControlBuilder(typeof(LinkButtonControlBuilder))]\r
- //[DataBindingHandler("??")]\r
- [ParseChildren(false)]\r
- [ToolboxData("<{0}:LinkButton runat=\"server\">LinkButton</{0}:LinkButton>")]\r
- public class LinkButton : WebControl, IPostBackEventHandler\r
- {\r
- private static readonly object ClickEvent = new object();\r
- private static readonly object CommandEvent = new object();\r
-\r
- public LinkButton(): base(HtmlTextWriterTag.A)\r
- {\r
- }\r
-\r
- public bool CausesValidation\r
- {\r
- get\r
- {\r
- object o = ViewState["CausesValidation"];\r
- if(o!=null)\r
- return (bool)o;\r
- return true;\r
- }\r
- set\r
- {\r
- ViewState["CausesValidation"] = value;\r
- }\r
- }\r
-\r
- public string CommandArgument\r
- {\r
- get\r
- {\r
- object o = ViewState["CommandArgument"];\r
- if(o!=null)\r
- return (string)o;\r
- return String.Empty;\r
- }\r
- set\r
- {\r
- ViewState["CommandArgument"] = value;\r
- }\r
- }\r
-\r
- public string CommandName\r
- {\r
- get\r
- {\r
- object o = ViewState["CommandName"];\r
- if(o!=null)\r
- return (string)o;\r
- return String.Empty;\r
- }\r
- set\r
- {\r
- ViewState["CommandName"] = value;\r
- }\r
- }\r
-\r
- public virtual string Text\r
- {\r
- get\r
- {\r
- object o = ViewState["Text"];\r
- if(o != null)\r
- {\r
- return (string)o;\r
- }\r
- return String.Empty;\r
- }\r
- set\r
- {\r
- ViewState["Text"] = value;\r
- }\r
- }\r
-\r
- public event EventHandler Click\r
- {\r
- add\r
- {\r
- Events.AddHandler(ClickEvent, value);\r
- }\r
- remove\r
- {\r
- Events.RemoveHandler(ClickEvent, value);\r
- }\r
- }\r
-\r
- public event CommandEventHandler Command\r
- {\r
- add\r
- {\r
- Events.AddHandler(CommandEvent, value);\r
- }\r
- remove\r
- {\r
- Events.RemoveHandler(CommandEvent, value);\r
- }\r
- }\r
-\r
- protected virtual void OnClick(EventArgs e)\r
- {\r
- if(Events != null)\r
- {\r
- EventHandler eh = (EventHandler)(Events[ClickEvent]);\r
- if(eh != null)\r
- eh(this, e);\r
- }\r
- }\r
-\r
- protected virtual void OnCommand(CommandEventArgs e)\r
- {\r
- if(Events != null)\r
- {\r
- CommandEventHandler ceh = (CommandEventHandler)(Events[CommandEvent]);\r
- if(ceh != null)\r
- ceh(this, e);\r
- }\r
- }\r
-\r
- void IPostBackEventHandler.RaisePostBackEvent(string eventArgument)\r
- {\r
- if(CausesValidation)\r
- {\r
- Page.Validate();\r
- }\r
- OnClick(new EventArgs());\r
- OnCommand( new CommandEventArgs(CommandName, CommandArgument));\r
- }\r
-\r
- protected override void AddAttributesToRender(HtmlTextWriter writer)\r
- {\r
- base.AddAttributesToRender(writer);\r
- if(Enabled && Page != null)\r
- {\r
- if(CausesValidation && Page.Validators.Count > 0)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Href, "javscript:" + Utils.GetClientValidatedPostBack(this));\r
- return;\r
- }\r
- writer.AddAttribute(HtmlTextWriterAttribute.Href, Page.GetPostBackClientHyperlink(this, ""));\r
- }\r
- }\r
-\r
- protected override void AddParsedSubObject(object obj)\r
- {\r
- if(HasControls())\r
- {\r
- AddParsedSubObject(obj);\r
- return;\r
- }\r
- if(obj is LiteralControl)\r
- {\r
- Text = ((LiteralControl)obj).Text;\r
- return;\r
- }\r
- if(Text.Length > 0)\r
- {\r
- AddParsedSubObject(Text);\r
- Text = String.Empty;\r
- }\r
- AddParsedSubObject(obj);\r
- }\r
-\r
- protected override void LoadViewState(object savedState)\r
- {\r
- if(savedState != null)\r
- {\r
- base.LoadViewState(savedState);\r
- string savedText = (string)ViewState["Text"];\r
- if(savedText != null)\r
- Text = savedText;\r
- }\r
- }\r
-\r
- protected override void RenderContents(HtmlTextWriter writer)\r
- {\r
- if(HasControls())\r
- {\r
- RenderContents(writer);\r
- return;\r
- }\r
- writer.Write(Text);\r
- }\r
- }\r
-}\r
+//
+// System.Web.UI.WebControls.LinkButton.cs
+//
+// Authors:
+// Ben Maurer (bmaurer@novell.com)
+//
+// (C) 2005 Novell, Inc (http://www.novell.com)
+//
+// 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(LinkButtonControlBuilder))]
+ [DataBindingHandler("System.Web.UI.Design.TextDataBindingHandler, " + Consts.AssemblySystem_Design)]
+ [DefaultEvent("Click")]
+ [DefaultProperty("Text")]
+ [Designer("System.Web.UI.Design.WebControls.LinkButtonDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
+ [ParseChildren(false)]
+#if NET_2_0
+ [SupportsEventValidation]
+ [ToolboxData("<{0}:LinkButton runat=\"server\">LinkButton</{0}:LinkButton>")]
+#else
+ [ToolboxData("<{0}:LinkButton runat=server>LinkButton</{0}:LinkButton>")]
+#endif
+ public class LinkButton : WebControl, IPostBackEventHandler
+#if NET_2_0
+ , IButtonControl
+#endif
+ {
+
+ public LinkButton () : base (HtmlTextWriterTag.A)
+ {
+ }
+
+
+ protected override void AddAttributesToRender (HtmlTextWriter w)
+ {
+ if (Page != null)
+ Page.VerifyRenderingInServerForm (this);
+
+#if NET_2_0
+ string onclick = OnClientClick;
+ onclick = ClientScriptManager.EnsureEndsWithSemicolon (onclick);
+ if (Attributes ["onclick"] != null) {
+ onclick = ClientScriptManager.EnsureEndsWithSemicolon (onclick + Attributes ["onclick"]);
+ Attributes.Remove ("onclick");
+ }
+
+ if (onclick.Length > 0)
+ w.AddAttribute (HtmlTextWriterAttribute.Onclick, onclick);
+
+ if (Enabled && Page != null) {
+ PostBackOptions options = GetPostBackOptions ();
+ string href = Page.ClientScript.GetPostBackEventReference (options);
+ w.AddAttribute (HtmlTextWriterAttribute.Href, href);
+ }
+ base.AddAttributesToRender (w);
+#else
+ base.AddAttributesToRender (w);
+ if (Page == null || !Enabled)
+ return;
+
+ if (CausesValidation && Page.AreValidatorsUplevel ()) {
+ ClientScriptManager csm = new ClientScriptManager (Page);
+ w.AddAttribute (HtmlTextWriterAttribute.Href,
+ String.Format ("javascript:{{if (typeof(Page_ClientValidate) != 'function' || Page_ClientValidate()) {0};}}",
+ csm.GetPostBackEventReference (this, String.Empty)));
+ } else {
+ w.AddAttribute (HtmlTextWriterAttribute.Href, Page.ClientScript.GetPostBackClientHyperlink (this, ""));
+ }
+#endif
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ void RaisePostBackEvent (string eventArgument)
+ {
+ if (CausesValidation)
+#if NET_2_0
+ Page.Validate (ValidationGroup);
+#else
+ Page.Validate ();
+#endif
+
+ OnClick (EventArgs.Empty);
+ OnCommand (new CommandEventArgs (CommandName, CommandArgument));
+ }
+
+ void IPostBackEventHandler.RaisePostBackEvent (string ea)
+ {
+ RaisePostBackEvent (ea);
+ }
+
+ 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;
+ }
+ }
+
+#if NET_2_0
+ protected virtual PostBackOptions GetPostBackOptions ()
+ {
+ PostBackOptions options = new PostBackOptions (this);
+ options.ActionUrl = (PostBackUrl.Length > 0 ? Page.ResolveClientUrl (PostBackUrl) : null);
+ options.ValidationGroup = null;
+ options.Argument = "";
+ options.ClientSubmit = true;
+ options.RequiresJavaScriptProtocol = true;
+ options.PerformValidation = CausesValidation && Page != null && Page.AreValidatorsUplevel (ValidationGroup);
+ if (options.PerformValidation)
+ options.ValidationGroup = ValidationGroup;
+
+ return options;
+ }
+#endif
+
+ protected override void LoadViewState (object savedState)
+ {
+ base.LoadViewState (savedState);
+
+ // Make sure we clear child controls when this happens
+ if (ViewState ["Text"] != null)
+ Text = (string) ViewState ["Text"];
+ }
+
+ [MonoTODO ("Why override?")]
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void OnPreRender (EventArgs e)
+ {
+ base.OnPreRender (e);
+ }
+
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void RenderContents (HtmlTextWriter writer)
+ {
+ if (HasControls ())
+ base.RenderContents (writer);
+ else
+ writer.Write (Text);
+ }
+
+
+#if ONLY_1_1
+ [Bindable(false)]
+#endif
+ [DefaultValue(true)]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+#if NET_2_0
+ [Themeable (false)]
+ public virtual
+#else
+ public
+#endif
+ bool CausesValidation {
+ get {
+ return ViewState.GetBool ("CausesValidation", true);
+ }
+ set {
+ ViewState ["CausesValidation"] = value;
+ }
+
+ }
+
+ [Bindable(true)]
+ [DefaultValue("")]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+#if NET_2_0
+ [Themeable (false)]
+#endif
+ public string CommandArgument {
+ get {
+ return ViewState.GetString ("CommandArgument", "");
+ }
+ set {
+ ViewState ["CommandArgument"] = value;
+ }
+ }
+
+ [DefaultValue("")]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+#if NET_2_0
+ [Themeable (false)]
+#endif
+ public string CommandName {
+ get {
+ return ViewState.GetString ("CommandName", "");
+ }
+
+ set {
+ ViewState ["CommandName"] = value;
+ }
+
+ }
+
+#if NET_2_0
+ [DefaultValue ("")]
+ [Themeable (false)]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual string OnClientClick
+ {
+ get {
+ return ViewState.GetString ("OnClientClick", "");
+ }
+ set {
+ ViewState ["OnClientClick"] = value;
+ }
+ }
+
+#endif
+
+ [Bindable(true)]
+ [DefaultValue("")]
+ [PersistenceMode(PersistenceMode.InnerDefaultProperty)]
+#if NET_2_0
+ [Localizable (true)]
+#endif
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual string Text {
+ get {
+ return ViewState.GetString ("Text", "");
+ }
+ set {
+ ViewState ["Text"] = value;
+ if (HasControls ())
+ Controls.Clear ();
+ }
+ }
+
+ protected virtual void OnClick (EventArgs e)
+ {
+ EventHandler h = (EventHandler) Events [ClickEvent];
+ if (h != null)
+ h (this, e);
+ }
+ static readonly object ClickEvent = new object ();
+
+ [WebSysDescription ("")]
+ [WebCategory ("Action")]
+ public event EventHandler Click {
+ add { Events.AddHandler (ClickEvent, value); }
+ remove { Events.RemoveHandler (ClickEvent, value); }
+ }
+
+ protected virtual void OnCommand (CommandEventArgs e)
+ {
+ CommandEventHandler h = (CommandEventHandler) Events [CommandEvent];
+ if (h != null)
+ h (this, e);
+
+ RaiseBubbleEvent (this, e);
+ }
+ static readonly object CommandEvent = new object ();
+
+ [WebSysDescription ("")]
+ [WebCategory ("Action")]
+ public event CommandEventHandler Command {
+ add { Events.AddHandler (CommandEvent, value); }
+ remove { Events.RemoveHandler (CommandEvent, value); }
+ }
+#if NET_2_0
+ [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
+ [Themeable (false)]
+ [UrlProperty ("*.aspx")]
+ [DefaultValue ("")]
+ public virtual string PostBackUrl {
+ get {
+ return ViewState.GetString ("PostBackUrl", String.Empty);
+ }
+ set {
+ ViewState["PostBackUrl"] = value;
+ }
+ }
+
+ [DefaultValue ("")]
+ [Themeable (false)]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual string ValidationGroup {
+ get {
+ return ViewState.GetString ("ValidationGroup", "");
+ }
+ set {
+ ViewState ["ValidationGroup"] = value;
+ }
+ }
+#endif
+ }
+}
+
projects / mono.git / blobdiff