using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
using Microsoft.SharePoint.WebControls;
using Microsoft.SharePoint.WebPartPages;
using System.ComponentModel;
using System.Collections.Specialized;

namespace QueryStringPageViewer
{
    public class QSPVWP : Microsoft.SharePoint.WebPartPages.WebPart
    {
        //Set custom attribute to allow user to specify Base URL in Tool Pane
        private string _baseURL = "";
        [WebBrowsable(true), 
        Personalizable(PersonalizationScope.Shared),
        Category("Base URL Settings"),
        WebDisplayName("Base URL"),
        WebDescription("Supply the Base URL for the page viewer query string web part.")]

        public string baseURL
        {
            get
            {
                return this._baseURL;
            }
            set
            {
                this._baseURL = value;
            }
        }

        protected override void RenderWebPart(HtmlTextWriter output)
        {

            NameValueCollection queryString = Page.Request.QueryString;
            string URL = this.baseURL;
            int paramCount = 0;

            if (queryString.Count > 0)
            {
                // Set up URL as having a Query String
                URL += "?";

                // Loop through QueryString collection and add all name/value pairs to 'URL'
                foreach (string qsName in queryString)
                {
                    // Add name/value pair for current key to the URL
                    URL += qsName + "=" + queryString[qsName];

                    // Add ampersand for all but the last query string parameter
                    paramCount++;
                    if (paramCount < queryString.Count)
                        URL += "&";

                }

            }

            string name = "QueryStringPageViewer_" + this.UniqueID;
            output.AddAttribute(HtmlTextWriterAttribute.Id, name, false);
            output.AddAttribute(HtmlTextWriterAttribute.Name, name, false);
            output.AddAttribute(HtmlTextWriterAttribute.Width, "100%", false);
            output.AddAttribute(HtmlTextWriterAttribute.Height, "100%", false);
            output.AddAttribute(HtmlTextWriterAttribute.Src, URL, false);
            output.AddAttribute("ddf_src", URL, false);
            output.AddAttribute("frameBorder", "0", false);
            output.RenderBeginTag(HtmlTextWriterTag.Iframe);
            output.RenderBeginTag(HtmlTextWriterTag.Div);
            output.Write("IFrames not supported by this browser");
            output.RenderEndTag(); //Div
            output.RenderEndTag(); //Iframe


        
        }


    }
}