133 lines
3.9 KiB
C#
133 lines
3.9 KiB
C#
//
|
|
// 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.
|
|
//
|
|
//
|
|
// System.Web.UI.HtmlControls.HtmlButton
|
|
//
|
|
// Authors:
|
|
// Jackson Harper (jackson@ximian.com)
|
|
//
|
|
// (C) 2005-2010 Novell, Inc.
|
|
|
|
|
|
using System.ComponentModel;
|
|
using System.Security.Permissions;
|
|
|
|
namespace System.Web.UI.HtmlControls {
|
|
|
|
// CAS
|
|
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
|
|
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
|
|
// attributes
|
|
[DefaultEvent("ServerClick")]
|
|
[SupportsEventValidation]
|
|
public class HtmlButton : HtmlContainerControl, IPostBackEventHandler {
|
|
|
|
static readonly object ServerClickEvent = new object();
|
|
|
|
public HtmlButton () : base ("button")
|
|
{
|
|
}
|
|
|
|
[DefaultValue(true)]
|
|
[WebSysDescription("")]
|
|
[WebCategory("Behavior")]
|
|
public virtual bool CausesValidation {
|
|
get {
|
|
return ViewState.GetBool ("CausesValidation", true);
|
|
}
|
|
set {
|
|
ViewState ["CausesValidation"] = value;
|
|
}
|
|
}
|
|
|
|
[DefaultValue ("")]
|
|
public virtual string ValidationGroup
|
|
{
|
|
get {
|
|
return ViewState.GetString ("ValidationGroup", "");
|
|
}
|
|
set {
|
|
ViewState ["ValidationGroup"] = value;
|
|
}
|
|
}
|
|
void IPostBackEventHandler.RaisePostBackEvent (string eventArgument)
|
|
{
|
|
RaisePostBackEvent (eventArgument);
|
|
}
|
|
|
|
protected virtual void RaisePostBackEvent (string eventArgument)
|
|
{
|
|
ValidateEvent (UniqueID, eventArgument);
|
|
if (CausesValidation)
|
|
Page.Validate (ValidationGroup);
|
|
OnServerClick (EventArgs.Empty);
|
|
}
|
|
|
|
protected internal override void OnPreRender (EventArgs e)
|
|
{
|
|
base.OnPreRender (e);
|
|
}
|
|
|
|
protected virtual void OnServerClick (EventArgs e)
|
|
{
|
|
EventHandler server_click = (EventHandler) Events [ServerClickEvent];
|
|
if (server_click != null)
|
|
server_click (this, e);
|
|
}
|
|
|
|
protected override void RenderAttributes (HtmlTextWriter writer)
|
|
{
|
|
Page page = Page;
|
|
if (page != null && Events [ServerClickEvent] != null) {
|
|
PostBackOptions options = GetPostBackOptions ();
|
|
Attributes ["onclick"] += page.ClientScript.GetPostBackEventReference (options, true);
|
|
writer.WriteAttribute ("language", "javascript");
|
|
}
|
|
|
|
base.RenderAttributes (writer);
|
|
}
|
|
|
|
PostBackOptions GetPostBackOptions ()
|
|
{
|
|
Page page = Page;
|
|
PostBackOptions options = new PostBackOptions (this);
|
|
options.ValidationGroup = null;
|
|
options.ActionUrl = null;
|
|
options.Argument = String.Empty;
|
|
options.RequiresJavaScriptProtocol = false;
|
|
options.ClientSubmit = true;
|
|
options.PerformValidation = CausesValidation && page != null && page.AreValidatorsUplevel (ValidationGroup);
|
|
if (options.PerformValidation)
|
|
options.ValidationGroup = ValidationGroup;
|
|
|
|
return options;
|
|
}
|
|
|
|
[WebSysDescription("")]
|
|
[WebCategory("Action")]
|
|
public event EventHandler ServerClick {
|
|
add { Events.AddHandler (ServerClickEvent, value); }
|
|
remove { Events.RemoveHandler (ServerClickEvent, value); }
|
|
}
|
|
}
|
|
}
|
|
|