using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using HiQPdfClient;

namespace HiQPdf_Demo
{
    public partial class PdfHtmlObjectsDemo : System.Web.UI.Page
    {
        protected void buttonConvertToPdf_Click(object sender, EventArgs e)
        {
            string serverIP = textBoxServerIP.Text;
            uint serverPort = uint.Parse(textBoxServerPort.Text);
            string serverPassword = textBoxServerPassword.Text;

            // create an empty PDF document
            PdfDocument document = new PdfDocument(serverIP, serverPort);

            // use server password if necessary
            if (serverPassword.Length > 0)
                document.ServerPassword = serverPassword;

            // set a demo serial number
            document.SerialNumber = "YCgJMTAE-BiwJAhIB-EhlWTlBA-UEBRQFBA-U1FOUVJO-WVlZWQ==";

            // add a page to document
            PdfPage page1 = document.AddPage(GetSelectedPageSize(), new PdfMargins(0), GetSelectedPageOrientation());

            try
            {
                // create the HTML object from URL or HTML code
                PdfHtml htmlObject = null;
                if (radioButtonConvertUrl.Checked)
                {
                    // create from URL
                    htmlObject = new PdfHtml(textBoxUrl.Text);
                }
                else
                {
                    // create from HTML code
                    string htmlCode = textBoxHtmlCode.Text;
                    string baseUrl = textBoxBaseUrl.Text;

                    htmlObject = new PdfHtml(htmlCode, baseUrl);
                }

                // set the HTML object start location in PDF page
                htmlObject.DestX = float.Parse(textBoxDestX.Text);
                htmlObject.DestY = float.Parse(textBoxDestY.Text);

                // set the HTML object width in PDF
                if (textBoxDestWidth.Text.Length > 0)
                    htmlObject.DestWidth = float.Parse(textBoxDestWidth.Text);

                // set the HTML object height in PDF
                if (textBoxDestHeight.Text.Length > 0)
                    htmlObject.DestHeight = float.Parse(textBoxDestHeight.Text);

                // optionally wait an additional time before starting the conversion
                htmlObject.WaitBeforeConvert = 2;

                // set browser width
                htmlObject.BrowserWidth = int.Parse(textBoxBrowserWidth.Text);

                // set browser height if specified, otherwise use the default
                if (textBoxBrowserHeight.Text.Length > 0)
                    htmlObject.BrowserHeight = int.Parse(textBoxBrowserHeight.Text);

                // set HTML load timeout
                htmlObject.HtmlLoadedTimeout = int.Parse(textBoxLoadHtmlTimeout.Text);

                // layout the HTML object in PDF
                page1.Layout(htmlObject);

                // write the PDF document to a memory buffer
                byte[] pdfBuffer = document.WriteToMemory();

                // inform the browser about the binary data format
                HttpContext.Current.Response.AddHeader("Content-Type", "application/pdf");

                // let the browser know how to open the PDF document and the file name
                HttpContext.Current.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=PdfHtmlObjects.pdf; size={0}",
                            pdfBuffer.Length.ToString()));

                // write the PDF buffer to HTTP response
                HttpContext.Current.Response.BinaryWrite(pdfBuffer);

                // call End() method of HTTP response to stop ASP.NET page processing
                HttpContext.Current.Response.End();
            }
            finally
            {
                document.Close();
            }
        }

        private PdfPageSize GetSelectedPageSize()
        {
            switch (dropDownListPageSizes.SelectedValue)
            {
                case "A0":
                    return PdfPageSize.A0;
                case "A1":
                    return PdfPageSize.A1;
                case "A10":
                    return PdfPageSize.A10;
                case "A2":
                    return PdfPageSize.A2;
                case "A3":
                    return PdfPageSize.A3;
                case "A4":
                    return PdfPageSize.A4;
                case "A5":
                    return PdfPageSize.A5;
                case "A6":
                    return PdfPageSize.A6;
                case "A7":
                    return PdfPageSize.A7;
                case "A8":
                    return PdfPageSize.A8;
                case "A9":
                    return PdfPageSize.A9;
                case "ArchA":
                    return PdfPageSize.ArchA;
                case "ArchB":
                    return PdfPageSize.ArchB;
                case "ArchC":
                    return PdfPageSize.ArchC;
                case "ArchD":
                    return PdfPageSize.ArchD;
                case "ArchE":
                    return PdfPageSize.ArchE;
                case "B0":
                    return PdfPageSize.B0;
                case "B1":
                    return PdfPageSize.B1;
                case "B2":
                    return PdfPageSize.B2;
                case "B3":
                    return PdfPageSize.B3;
                case "B4":
                    return PdfPageSize.B4;
                case "B5":
                    return PdfPageSize.B5;
                case "Flsa":
                    return PdfPageSize.Flsa;
                case "HalfLetter":
                    return PdfPageSize.HalfLetter;
                case "Ledger":
                    return PdfPageSize.Ledger;
                case "Legal":
                    return PdfPageSize.Legal;
                case "Letter":
                    return PdfPageSize.Letter;
                case "Letter11x17":
                    return PdfPageSize.Letter11x17;
                case "Note":
                    return PdfPageSize.Note;
                default:
                    return PdfPageSize.A4;
            }
        }

        private PdfPageOrientation GetSelectedPageOrientation()
        {
            return (dropDownListPageOrientations.SelectedValue == "Portrait") ?
                PdfPageOrientation.Portrait : PdfPageOrientation.Landscape;
        }

        protected void radioButtonConvertUrl_CheckedChanged(object sender, EventArgs e)
        {
            panelUrl.Visible = radioButtonConvertUrl.Checked;
            panelHtmlCode.Visible = !radioButtonConvertUrl.Checked;
        }

        protected void radioButtonConvertHtmlCode_CheckedChanged(object sender, EventArgs e)
        {
            panelUrl.Visible = !radioButtonConvertHtmlCode.Checked;
            panelHtmlCode.Visible = radioButtonConvertHtmlCode.Checked;
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                dropDownListPageSizes.SelectedValue = "A4";
                dropDownListPageOrientations.SelectedValue = "Portrait";

                Master.SelectNode("pdfHtmlObjects");

                Master.LoadCodeSample("PdfHtmlObjects");
            }
        }
    }
}