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;

namespace Admin
{
    public class FCKBlock : System.Web.UI.Control, IPostBackDataHandler
    {
        public bool LoadPostData(string PostDataKey, System.Collections.Specialized.NameValueCollection postCollection)
        {
            string oldValue, postedValue;

            // Cache the current value of the property 
            oldValue = this.Value;

            // Get the posted value for the HTML element with the 
            // same ID as the control		
            postedValue = postCollection[PostDataKey];

            // Compare the posted value with Value and updates if needed
            if (oldValue != postedValue)
            {
                this.Value = postedValue;
                return true;
            }

            // Indicates whether the state has changed
            return false;
        }

        public void RaisePostDataChangedEvent()
        {
            // nothin!
        }

        public string Value
        {
            get { return (ViewState["Value"] == null ? "" : (string)ViewState["Value"]); }
            set { ViewState["Value"] = value; }
        }

        private int _Width = 350;
        public int Width
        {
            get { return _Width; }
            set { _Width = value; }
        }

        private int _Height = 350;
        public int Height
        {
            get { return _Height; }
            set { _Height = value; }
        }

        private string _ToolbarSet = "WebBlocks";
        public string ToolbarSet
        {
            get { return _ToolbarSet; }
            set { _ToolbarSet = value; }
        }

        protected override void OnLoad(EventArgs e)
        {
            if (!Page.ClientScript.IsClientScriptBlockRegistered("fck"))
            {
                Page.ClientScript.RegisterClientScriptBlock(typeof(string), "fck", "<script type=\"text/javascript\" src=\"" + ((WebBlockPage)Page).RelativePath + "/Admin/FCKeditor/fckeditor.js\"></script>", false);
            }

            base.OnLoad(e);
        }

        protected override void Render(HtmlTextWriter writer)
        {
            writer.Write("<script type=\"text/javascript\">");
            writer.Write("  var oFCKeditor = new FCKeditor('");
            writer.Write(this.UniqueID);
            writer.Write("');\n");
            writer.Write("  oFCKeditor.Config[\"BaseHref\"] = '");
            writer.Write((Page.Request.IsSecureConnection ? "https" : "http"));
            writer.Write("://");
            writer.Write(Page.Request.Url.Authority);
            writer.Write("';\n");
            writer.Write("  oFCKeditor.BasePath = \"FCKeditor/\";\n");
            writer.Write("  oFCKeditor.ToolbarSet = \"");
            writer.Write(_ToolbarSet);
            writer.Write("\";\n");
            writer.Write("  oFCKeditor.Height = "); writer.Write(_Height); writer.Write(";\n");
            writer.Write("  oFCKeditor.Width = "); writer.Write(_Width); writer.Write(";\n");
            writer.Write("  oFCKeditor.Config[\"ToolbarCanCollapse\"] = false;\n");
            writer.Write("  oFCKeditor.Value = \"" + Value.Replace("\"", "\\\"").Replace("\n", "\\n").Replace("\r", "\\r").Replace("<", "\\<").Replace(">", "\\>") + "\";\n");
            writer.Write("  oFCKeditor.Create();\n");
            writer.Write("</script>");
        }
    } 
}