using System using System Data using System Configuration using System

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections.Generic;

namespace AJAX_CustomControl
{
    public class MediaPlayerButton : Image, IScriptControl
    {
        private string _playImageUrl;
        private string _pauseImageUrl;
        private ScriptManager _scriptManager;


        public string PlayImageUrl
        {
            get { return _playImageUrl; }
            set { this._playImageUrl = value; }
        }
        public string PauseImageUrl
        {
            get { return _pauseImageUrl; }
            set { this._pauseImageUrl = value; }
        }


        protected override void OnPreRender(EventArgs e)
        {
            if (!this.DesignMode)
            {
                _scriptManager = ScriptManager.GetCurrent(Page);
                if (_scriptManager == null)
                {
                    throw new HttpException("A ScriptManager control must exist on the current page");
                }
                _scriptManager.RegisterScriptControl(this);
            }
            base.OnPreRender(e);
        }

        protected override void Render(HtmlTextWriter writer)
        {
            if (!this.DesignMode)
            {
                _scriptManager.RegisterScriptDescriptors(this);
            }
            base.Render(writer);
        }


        #region IScriptControl Members

        public IEnumerable<ScriptDescriptor> GetScriptDescriptors()
        {
            ScriptBehaviorDescriptor descriptor = new ScriptBehaviorDescriptor("CustomControls", "MediaPlayerControl1");
            descriptor.AddProperty("playImageUrl", this.PlayImageUrl);
            descriptor.AddProperty("pauseImageUrl", this.PauseImageUrl);

            return new ScriptDescriptor[] { descriptor };
        }

        public IEnumerable<ScriptReference> GetScriptReferences()
        {
            ScriptReference reference = new ScriptReference();
            reference.Path = ResolveClientUrl("MediaPlayerButton.js");
            ScriptReferenceCollection _reference = new ScriptReferenceCollection();
            _reference.Add(reference);
            return _reference;
        }

        #endregion
    }
}