Source Code for JQuery ASP.NET Controls

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.UI;
using System.ComponentModel;
using System.Web;
using System.Drawing.Design;
using System.Web.UI.WebControls;
using System.Reflection;
using System.Security.Permissions;
using Mullivan.Web.UI.Design.WebControls;

namespace Mullivan.Web.UI.WebControls
{

    [ControlBuilder(typeof(ControlBuilder)),
   Designer(typeof(JQueryAccordionSectionDesigner)),
   ToolboxItem(false),
   ParseChildren(true), PersistChildren(false),
   AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal), AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
    public class JQueryAccordionSection : Control
    {
        // Fields
        private ITemplate _contentTemplate;
        private JQueryAccordion _owner;


        public JQueryAccordionSection()
            : base()
        {
            this.Name = "New Section";
        }

        [Browsable(false)]
        public JQueryAccordion Owner
        {
            get
            {
                return _owner;
            }
        }

        [Browsable(false)]
        [EditorBrowsable(EditorBrowsableState.Never)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public int Position
        {
            get
            {
                if (this._owner != null && this._owner.Sections != null)
                    return this._owner.Sections.IndexOf(this);
                return -1;
            }
        }


        [Browsable(false)]
        [EditorBrowsable(EditorBrowsableState.Never)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public bool IsActive
        {
            get
            {
                int idx = this.Position;
                if (idx != -1 && idx == _owner.ActiveSectionIndex)
                    return true;
                return false;
            }
            set
            {
                if (_owner != null && value)
                {
                    int idx = _owner.Sections.IndexOf(this);
                    if (idx > -1)
                        _owner.ActiveSectionIndex = idx;
                }
            }
        }

        [MergableProperty(false),
        PersistenceMode(PersistenceMode.InnerProperty),
        TemplateInstance(TemplateInstance.Single),
        Browsable(false)]
        public ITemplate ContentTemplate
        {
            get
            {
                return this._contentTemplate;
            }
            set
            {
                this._contentTemplate = value;
            }
        }

        [Category("Appearance"), DefaultValue("")]
        public string Name
        {
            get
            {
                return (this.ViewState["SectionName"] != null ? this.ViewState["SectionName"].ToString() : string.Empty);
            }
            set
            {
                this.ViewState["SectionName"] = value;
            }
        }


        [DefaultValue(""),
        Editor("System.Web.UI.Design.ImageUrlEditor, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a",
            typeof(UITypeEditor)),
        UrlProperty,
        Bindable(true),
        Category("Image"), DisplayName("Url")]
        public string ImageUrl
        {
            get
            {
                return (this.ViewState["ImageUrl"] != null ? this.ViewState["ImageUrl"].ToString() : string.Empty);
            }
            set
            {
                this.ViewState["ImageUrl"] = value;
            }
        }

        [Category("Image"), DisplayName("Width")]
        public Unit ImageWidth
        {
            get
            {
                return (this.ViewState["ImageWidth"] != null ? (Unit)this.ViewState["ImageWidth"] : Unit.Empty);
            }
            set
            {
                this.ViewState["ImageWidth"] = value;
            }
        }

        [Category("Image"), DisplayName("Height")]
        public Unit ImageHeight
        {
            get
            {
                return (this.ViewState["ImageHeight"] != null ? (Unit)this.ViewState["ImageHeight"] : Unit.Empty);
            }
            set
            {
                this.ViewState["ImageHeight"] = value;
            }
        }

        [DefaultValue(""), Category("Behavior")]
        public string OnClientSectionSelected
        {
            get
            {
                return (this.ViewState["OnClientSectionSelected"] != null ? this.ViewState["OnClientSectionSelected"].ToString() : string.Empty);
            }
            set
            {
                this.ViewState["OnClientSectionSelected"] = value;
            }
        }

        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
            if (this._contentTemplate != null)
            {
                Control container = new Control();
                this._contentTemplate.InstantiateIn(container);
                this.Controls.Add(container);
            }
        }

        protected override void Render(HtmlTextWriter writer)
        {
            this.EnsureID();
            writer.AddAttribute(HtmlTextWriterAttribute.Href, "#");
            writer.RenderBeginTag(HtmlTextWriterTag.H3);
            writer.RenderBeginTag(HtmlTextWriterTag.A);
            writer.RenderBeginTag(HtmlTextWriterTag.Div);
            if (!string.IsNullOrEmpty(this.ImageUrl))
            {
                Image img = new Image();
                if (this.ImageHeight != Unit.Empty)
                    img.Height = this.ImageHeight;
                if (this.ImageWidth != Unit.Empty)
                    img.Width = this.ImageWidth;
                img.ImageUrl = this.ImageUrl;
                img.Style.Add(HtmlTextWriterStyle.PaddingRight, "5px");
                img.RenderControl(writer);
            }
            writer.Write(HttpUtility.HtmlEncode(this.Name));
            //End Div
            writer.RenderEndTag();
            //End A
            writer.RenderEndTag();
            //End H3 Tag
            writer.RenderEndTag();
            writer.AddAttribute(HtmlTextWriterAttribute.Id, this.ClientID);
            writer.RenderBeginTag(HtmlTextWriterTag.Div);
            writer.RenderBeginTag(HtmlTextWriterTag.P);
            this.RenderChildren(writer);
            //End P
            writer.RenderEndTag();
            //End Div
            writer.RenderEndTag();
        }

        internal void SetOwner(JQueryAccordion owner)
        {
            this._owner = owner;
        }

        internal void PreventAutoID()
        {
            Type t = typeof(Control);
            FieldInfo mi = t.GetField("flags", BindingFlags.NonPublic | BindingFlags.Instance);
            object flags = mi.GetValue(this);
            PropertyInfo piIndexer = mi.FieldType.GetProperty("Item", BindingFlags.NonPublic | BindingFlags.Instance);
            object val = piIndexer.GetValue(flags, new object[1] { 0x80 });
            if ((bool)val)
            {
                MethodInfo setMethod = mi.FieldType.GetMethod("Set", BindingFlags.Instance | BindingFlags.NonPublic);
                setMethod.Invoke(flags, new object[1] { 0x40 });
            }
        }
    }
}