// System.Web.UI.WebControls.Button.cs
//
// Authors:
-// Gaurav Vaish (gvaish@iitk.ac.in)
-// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
+// Jordi Mas i Hernandez (jordi@ximian.com)
//
-// (C) Gaurav Vaish (2002)
-// (C) 2003 Andreas Nahr
-//\r
-
+// (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
// 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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-using System;
using System.ComponentModel;
using System.ComponentModel.Design;
-using System.Web;
-using System.Web.UI;
-
-namespace System.Web.UI.WebControls
-{
- [DefaultEvent("Click")]
- [DefaultProperty("Text")]
- [Designer("System.Web.UI.Design.WebControls.ButtonDesigner, " + Consts.AssemblySystem_Design, typeof (IDesigner))]\r
- [DataBindingHandler("System.Web.UI.Design.TextDataBindingHandler, " + Consts.AssemblySystem_Design)]
- [ToolboxData("<{0}:Button runat=\"server\" Text=\"Button\"></{0}:Button>")]
+using System.Security.Permissions;
+
+namespace System.Web.UI.WebControls {
+
+ // CAS
+ [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ // attributes
+ [DefaultEvent ("Click")]
+ [DataBindingHandler ("System.Web.UI.Design.TextDataBindingHandler, " + Consts.AssemblySystem_Design)]
+ [DefaultProperty ("Text")]
+ [Designer ("System.Web.UI.Design.WebControls.ButtonDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
+
+#if NET_2_0
+ [ToolboxDataAttribute ("<{0}:Button runat=\"server\" Text=\"Button\"></{0}:Button>")]
+ [SupportsEventValidation]
+#else
+ [ToolboxDataAttribute ("<{0}:Button runat=server Text=\"Button\"></{0}:Button>")]
+#endif
+
public class Button : WebControl, IPostBackEventHandler
+#if NET_2_0
+ , IButtonControl
+#endif
{
- private static readonly object ClickEvent = new object();
- private static readonly object CommandEvent = new object();
- //private EventHandlerList ehList;
+ private static readonly object ClickEvent = new object ();
+ private static readonly object CommandEvent = new object ();
- public Button(): base (HtmlTextWriterTag.Input)
+ public Button () : base (HtmlTextWriterTag.Input)
{
}
- [DefaultValue (true), Bindable (false), WebCategory ("Behavior")]
- [WebSysDescription ("Determines if validation is performed when clicked.")]
- public bool CausesValidation
- {
- get
- {
- Object cv = ViewState["CausesValidation"];
- if(cv!=null)
- return (Boolean)cv;
- return true;
+#if ONLY_1_1
+ [Bindable (false)]
+#endif
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ [DefaultValue (true)]
+#if NET_2_0
+ [Themeable (false)]
+ public virtual
+#else
+ public
+#endif
+ bool CausesValidation {
+ get {
+ return ViewState.GetBool ("CausesValidation", true);
}
- set
- {
- ViewState["CausesValidation"] = value;
+
+ set {
+ ViewState ["CausesValidation"] = value;
}
}
- [DefaultValue (""), Bindable (true), WebCategory ("Behavior")]
- [WebSysDescription ("An argument for the Command of this control.")]
- public string CommandArgument
- {
- get
- {
- string ca = (string) ViewState["CommandArgument"];
- if(ca!=null)
- return ca;
- return String.Empty;
+ [DefaultValue ("")]
+ [Bindable (true)]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+#if NET_2_0
+ [Themeable (false)]
+#endif
+ public string CommandArgument {
+ get {
+ return ViewState.GetString ("CommandArgument", "");
}
- set
- {
- ViewState["CommandArgument"] = value;
+ set {
+ ViewState ["CommandArgument"] = value;
}
}
- [DefaultValue (""), WebCategory ("Behavior")]
- [WebSysDescription ("The name of the Command of this control.")]
- public string CommandName
- {
- get
- {
- string cn = (string)ViewState["CommandName"];
- if(cn!=null)
- return cn;
- return String.Empty;
+ [DefaultValue ("")]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+#if NET_2_0
+ [Themeable (false)]
+#endif
+ public string CommandName {
+ get {
+ return ViewState.GetString ("CommandName", "");
}
- set
- {
- ViewState["CommandName"] = value;
+ set {
+ ViewState ["CommandName"] = value;
}
}
- [DefaultValue (""), Bindable (true), WebCategory ("Appearance")]
- [WebSysDescription ("The text that should be shown on this Button.")]
- public string Text
+#if NET_2_0
+ [Themeable (false)]
+ [DefaultValue ("")]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual string OnClientClick
{
- get
- {
- string text = (string)ViewState["Text"];
- if(text!=null)
- return text;
- return String.Empty;
+ get {
+ return ViewState.GetString ("OnClientClick", "");
}
- set
- {
- ViewState["Text"] = value;
+ set {
+ ViewState ["OnClientClick"] = value;
}
}
- [WebCategory ("Action")]
- [WebSysDescription ("Raised when the Button is clicked.")]
- public event EventHandler Click
- {
- add
- {
- Events.AddHandler(ClickEvent, value);
+#endif
+
+ [DefaultValue ("")]
+ [Bindable (true)]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+#if NET_2_0
+ [Localizable (true)]
+#endif
+ public string Text {
+ get {
+ return ViewState.GetString ("Text", "");
}
- remove
- {
- Events.RemoveHandler(ClickEvent, value);
+ set {
+ ViewState ["Text"] = value;
}
}
- [WebCategory ("Action")]
- [WebSysDescription ("Raised when a Button Command is executed.")]
- public event CommandEventHandler Command
+#if NET_2_0
+ [DefaultValue (true)]
+ [Themeable (false)]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual bool UseSubmitBehavior
{
- add
- {
- Events.AddHandler(CommandEvent, value);
+ get {
+ return ViewState.GetBool ("UseSubmitBehavior", true);
}
- remove
- {
- Events.RemoveHandler(CommandEvent, value);
+ set {
+ ViewState ["UseSubmitBehavior"] = value;
}
}
+#endif
+
+ protected override void AddAttributesToRender (HtmlTextWriter writer) {
+ if (Page != null)
+ Page.VerifyRenderingInServerForm (this);
+
+#if NET_2_0
+ writer.AddAttribute (HtmlTextWriterAttribute.Type, UseSubmitBehavior ? "submit" : "button");
+ writer.AddAttribute (HtmlTextWriterAttribute.Name, UniqueID);
+ writer.AddAttribute (HtmlTextWriterAttribute.Value, Text);
+
+ string onclick = OnClientClick;
+ onclick = ClientScriptManager.EnsureEndsWithSemicolon (onclick);
+ if (Attributes ["onclick"] != null) {
+ onclick = ClientScriptManager.EnsureEndsWithSemicolon (onclick + Attributes ["onclick"]);
+ Attributes.Remove ("onclick");
+ }
+
+ if (Page != null) {
+ PostBackOptions options = GetPostBackOptions ();
+ onclick += Page.ClientScript.GetPostBackEventReference (options);
+ }
+
+ if (onclick.Length > 0)
+ writer.AddAttribute (HtmlTextWriterAttribute.Onclick, onclick);
+#else
+ writer.AddAttribute (HtmlTextWriterAttribute.Type, "submit");
+ writer.AddAttribute (HtmlTextWriterAttribute.Name, UniqueID);
+ writer.AddAttribute (HtmlTextWriterAttribute.Value, Text);
+
+ if (CausesValidation && Page != null && Page.AreValidatorsUplevel ()) {
+ string onclick = Attributes["onclick"];
+ if (onclick != null) {
+ Attributes.Remove("onclick");
+ int len = onclick.Length;
+ if (len > 0 && onclick[len - 1] != ';')
+ onclick += ";";
+ }
+ ClientScriptManager csm = new ClientScriptManager (Page);
+ writer.AddAttribute (HtmlTextWriterAttribute.Onclick, onclick + csm.GetClientValidationEvent ());
+ writer.AddAttribute ("language", "javascript");
+ }
+#endif
+
+ base.AddAttributesToRender (writer);
+ }
- protected virtual void OnClick(EventArgs e)
+#if NET_2_0
+ protected virtual PostBackOptions GetPostBackOptions ()
{
- if(Events != null)
- {
- EventHandler eh = (EventHandler)(Events[ClickEvent]);
- if(eh!= null)
- eh(this,e);
+ PostBackOptions options = new PostBackOptions (this);
+ options.ActionUrl = (PostBackUrl.Length > 0 ? Page.ResolveClientUrl (PostBackUrl) : null);
+ options.ValidationGroup = null;
+ options.Argument = "";
+ options.RequiresJavaScriptProtocol = false;
+ options.ClientSubmit = !UseSubmitBehavior;
+ options.PerformValidation = CausesValidation && Page != null && Page.AreValidatorsUplevel (ValidationGroup);
+ if (options.PerformValidation)
+ options.ValidationGroup = ValidationGroup;
+
+ return options;
+ }
+#endif
+
+ void IPostBackEventHandler.RaisePostBackEvent (string eventArgument)
+ {
+ RaisePostBackEvent (eventArgument);
+ }
+
+ protected virtual void OnClick (EventArgs e)
+ {
+ if (Events != null) {
+ EventHandler eh = (EventHandler) (Events [ClickEvent]);
+ if (eh != null)
+ eh (this, e);
}
}
- protected virtual void OnCommand(CommandEventArgs e)
+ protected virtual void OnCommand (CommandEventArgs e)
{
- if(Events != null)
- {
- CommandEventHandler eh = (CommandEventHandler)(Events[CommandEvent]);
- if(eh!= null)
- eh(this,e);
+ if (Events != null) {
+ CommandEventHandler eh = (CommandEventHandler) (Events [CommandEvent]);
+ if (eh != null)
+ eh (this, e);
}
- RaiseBubbleEvent(this, e);
+
+ RaiseBubbleEvent (this, e);
}
- void IPostBackEventHandler.RaisePostBackEvent (string eventArgument)
+#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));
}
- protected override void AddAttributesToRender (HtmlTextWriter writer)
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void RenderContents (HtmlTextWriter writer)
{
- if (Page != null)
- Page.VerifyRenderingInServerForm (this);
+ }
- writer.AddAttribute (HtmlTextWriterAttribute.Type, "submit");
- writer.AddAttribute (HtmlTextWriterAttribute.Name, base.UniqueID);
- writer.AddAttribute (HtmlTextWriterAttribute.Value, Text);
- if (Page != null && CausesValidation && Page.Validators.Count > 0) {
- writer.AddAttribute (System.Web.UI.HtmlTextWriterAttribute.Onclick,
- Utils.GetClientValidatedEvent (Page));
- writer.AddAttribute ("language", "javascript");
+ [WebSysDescription ("")]
+ [WebCategory ("Action")]
+ public event EventHandler Click
+ {
+ add {
+ Events.AddHandler (ClickEvent, value);
+ }
+ remove {
+ Events.RemoveHandler (ClickEvent, value);
}
- base.AddAttributesToRender (writer);
}
- protected override void RenderContents(HtmlTextWriter writer)
+ [WebSysDescription ("")]
+ [WebCategory ("Action")]
+ public event CommandEventHandler Command
{
- // Preventing base classes to do anything
+ add {
+ Events.AddHandler (CommandEvent, value);
+ }
+ remove {
+ Events.RemoveHandler (CommandEvent, value);
+ }
}
+
+#if NET_2_0
+ [DefaultValue ("")]
+ [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
+ [Themeable (false)]
+ [UrlProperty("*.aspx")]
+ public virtual string PostBackUrl {
+ get {
+ return ViewState.GetString ("PostBackUrl", "");
+ }
+ set {
+ ViewState ["PostBackUrl"] = value;
+ }
+ }
+
+ [DefaultValue ("")]
+ [Themeable (false)]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual string ValidationGroup {
+ get {
+ return ViewState.GetString ("ValidationGroup", "");
+ }
+ set {
+ ViewState ["ValidationGroup"] = value;
+ }
+ }
+#endif
+
}
}
+
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