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//
// System.Web.UI.WebControls.DataControlButton.cs
//
// Authors:
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2005-2010 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;
using System.Web;
using System.Web.UI;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
namespace System.Web.UI.WebControls
{
internal interface IDataControlButton : IButtonControl
{
Control Container { get; set;}
string ImageUrl { get;set;}
bool AllowCallback { get; set;}
ButtonType ButtonType { get;}
}
[SupportsEventValidation]
internal class DataControlButton : Button, IDataControlButton
{
public static IDataControlButton CreateButton (ButtonType type, Control container, string text, string image, string command, string commandArg, bool allowCallback)
{
IDataControlButton btn;
switch (type) {
case ButtonType.Link:
btn = new DataControlLinkButton ();
break;
case ButtonType.Image:
btn = new DataControlImageButton ();
btn.ImageUrl = image;
break;
default:
btn = new DataControlButton ();
break;
}
btn.Container = container;
btn.CommandName = command;
btn.CommandArgument = commandArg;
btn.Text = text;
btn.CausesValidation = false;
btn.AllowCallback = allowCallback;
return btn;
}
Control _container;
public Control Container {
get { return _container; }
set { _container = value; }
}
public string ImageUrl {
get { return String.Empty; }
set { }
}
public bool AllowCallback {
get { return ViewState.GetBool ("AllowCallback", true); }
set { ViewState ["AllowCallback"] = value; }
}
public ButtonType ButtonType {
get { return ButtonType.Button; }
}
public override bool UseSubmitBehavior {
get { return false; }
set { throw new NotSupportedException (); }
}
internal override string GetClientScriptEventReference ()
{
if (AllowCallback) {
ICallbackContainer ccner = Container as ICallbackContainer;
if (ccner != null)
return ccner.GetCallbackScript (this, CommandName + "$" + CommandArgument);
}
return base.GetClientScriptEventReference ();
}
protected override PostBackOptions GetPostBackOptions ()
{
IPostBackContainer pcner = Container as IPostBackContainer;
if (pcner != null)
return pcner.GetPostBackOptions (this);
return base.GetPostBackOptions ();
}
}
internal class DataControlLinkButton : LinkButton, IDataControlButton
{
Control _container;
public Control Container {
get { return _container; }
set { _container = value; }
}
public string ImageUrl {
get { return String.Empty; }
set { }
}
public bool AllowCallback {
get { return ViewState.GetBool ("AllowCallback", true); }
set { ViewState ["AllowCallback"] = value; }
}
public ButtonType ButtonType {
get { return ButtonType.Link; }
}
protected internal override void Render (HtmlTextWriter writer)
{
EnsureForeColor ();
if (AllowCallback) {
ICallbackContainer ccner = Container as ICallbackContainer;
if (ccner != null)
OnClientClick = ClientScriptManager.EnsureEndsWithSemicolon (OnClientClick) + ccner.GetCallbackScript (this, CommandName + "$" + CommandArgument);
}
base.Render (writer);
}
void EnsureForeColor ()
{
if (ForeColor != Color.Empty)
return;
for (Control parent = Parent; parent != null; parent = parent.Parent) {
WebControl wc = parent as WebControl;
if (wc != null && wc.ForeColor != Color.Empty) {
ForeColor = wc.ForeColor;
break;
}
if (parent == Container)
break;
}
}
protected override PostBackOptions GetPostBackOptions ()
{
IPostBackContainer pcner = Container as IPostBackContainer;
if (pcner != null)
return pcner.GetPostBackOptions (this);
return base.GetPostBackOptions ();
}
}
internal class DataControlImageButton : ImageButton, IDataControlButton
{
Control _container;
public Control Container {
get { return _container; }
set { _container = value; }
}
public bool AllowCallback {
get { return ViewState.GetBool ("AllowCallback", true); }
set { ViewState ["AllowCallback"] = value; }
}
public ButtonType ButtonType {
get { return ButtonType.Image; }
}
internal override string GetClientScriptEventReference ()
{
if (AllowCallback) {
ICallbackContainer ccner = Container as ICallbackContainer;
if (ccner != null)
return ccner.GetCallbackScript (this, CommandName + "$" + CommandArgument);
}
return base.GetClientScriptEventReference ();
}
protected override PostBackOptions GetPostBackOptions ()
{
IPostBackContainer pcner = Container as IPostBackContainer;
if (pcner != null)
return pcner.GetPostBackOptions (this);
return base.GetPostBackOptions ();
}
}
}
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