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 PdfHeadersAndFooters : System.Web.UI.Page
    {
        protected void buttonCreatePdf_Click(object sender, EventArgs e)
        {
            string serverIP = textBoxServerIP.Text;
            uint serverPort = uint.Parse(textBoxServerPort.Text);
            string serverPassword = textBoxServerPassword.Text;

            // create the HTML to PDF converter
            HtmlToPdf htmlToPdfConverter = new HtmlToPdf(serverIP, serverPort);

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

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

            // set the default header and footer of the document
            SetHeader(htmlToPdfConverter.Document);
            SetFooter(htmlToPdfConverter.Document);

            byte[] pdfBuffer = htmlToPdfConverter.ConvertUrlToMemory(textBoxUrl.Text);

            // 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, attachment or inline, and the file name
            HttpContext.Current.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=PdfHeadersAndFooters.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();
        }

        private void SetHeader(PdfDocumentControl htmlToPdfDocument)
        {
            // enable header display
            htmlToPdfDocument.Header.Enabled = true;

            // set header height
            htmlToPdfDocument.Header.Height = 50;

            float pdfPageWidth = htmlToPdfDocument.PageOrientation == PdfPageOrientation.Portrait ?
                                        htmlToPdfDocument.PageSize.Width : htmlToPdfDocument.PageSize.Height;

            float headerWidth = pdfPageWidth - htmlToPdfDocument.Margins.Left - htmlToPdfDocument.Margins.Right;
            float headerHeight = htmlToPdfDocument.Header.Height;

            // set header background color
            htmlToPdfDocument.Header.BackgroundColor = PdfColor.WhiteSmoke;

            string headerImageFile = Server.MapPath("~") + @"\DemoFiles\Images\HiQPdfLogo.png";
            PdfImage logoHeaderImage = new PdfImage(5, 5, 40, headerImageFile);
            htmlToPdfDocument.Header.Layout(logoHeaderImage);

            // layout HTML in header
            PdfHtml headerHtml = new PdfHtml(50, 5, @"<span style=""color:Navy; font-family:Times New Roman; font-style:italic"">
                            Quickly Create High Quality PDFs with </span><a href=""http://www.hiqpdf.com"">HiQPdf</a>", null);
            headerHtml.FitDestHeight = true;
            htmlToPdfDocument.Header.Layout(headerHtml);

            // create a border for header

            PdfRectangle borderRectangle = new PdfRectangle(1, 1, headerWidth - 2, headerHeight - 2);
            borderRectangle.LineStyle.LineWidth = 0.5f;
            borderRectangle.ForeColor = PdfColor.Navy;
            htmlToPdfDocument.Header.Layout(borderRectangle);

            htmlToPdfDocument.Header.RepeatInFirstPage = checkBoxDisplayHeaderInFirstPage.Checked;
            htmlToPdfDocument.Header.RepeatInOddPages = checkBoxDisplayHeaderInOddPages.Checked;
            htmlToPdfDocument.Header.RepeatInEvenPages = checkBoxDisplayHeaderInEvenPages.Checked;
        }

        private void SetFooter(PdfDocumentControl htmlToPdfDocument)
        {
            // enable footer display
            htmlToPdfDocument.Footer.Enabled = true;

            // set footer height
            htmlToPdfDocument.Footer.Height = 50;

            // set footer background color
            htmlToPdfDocument.Footer.BackgroundColor = PdfColor.WhiteSmoke;

            float pdfPageWidth = htmlToPdfDocument.PageOrientation == PdfPageOrientation.Portrait ?
                                        htmlToPdfDocument.PageSize.Width : htmlToPdfDocument.PageSize.Height;

            float footerWidth = pdfPageWidth - htmlToPdfDocument.Margins.Left - htmlToPdfDocument.Margins.Right;
            float footerHeight = htmlToPdfDocument.Footer.Height;

            // layout HTML in footer
            PdfHtml footerHtml = new PdfHtml(5, 5, @"<span style=""color:Navy; font-family:Times New Roman; font-style:italic"">
                            Quickly Create High Quality PDFs with </span><a href=""http://www.hiqpdf.com"">HiQPdf</a>", null);
            footerHtml.FitDestHeight = true;
            htmlToPdfDocument.Footer.Layout(footerHtml);

            if (checkBoxDisplayPageNumbersInFooter.Checked)
            {
                if (!checkBoxPageNumbersInHtml.Checked)
                {
                    // add page numbering in a text element
                    PdfFont pageNumberingFont = new PdfFont("Times New Roman", 8, true);
                    PdfText pageNumberingText = new PdfText(5, footerHeight - 12, "Page {CrtPage} of {PageCount}", pageNumberingFont);
                    pageNumberingText.HorizontalAlign = PdfTextHAlign.Center;
                    pageNumberingText.EmbedSystemFont = true;
                    pageNumberingText.ForeColor = PdfColor.DarkGreen;
                    htmlToPdfDocument.Footer.Layout(pageNumberingText);
                }
                else
                {
                    // add page numbers in HTML - more flexible but less efficient than text version
                    PdfHtmlWithPlaceHolders htmlWithPageNumbers = new PdfHtmlWithPlaceHolders(5, footerHeight - 20,
                        "Page <span style=\"font-size: 16px; color: blue; font-style: italic; font-weight: bold\">{CrtPage}</span> of <span style=\"font-size: 16px; color: green; font-weight: bold\">{PageCount}</span>", null);
                    htmlToPdfDocument.Footer.Layout(htmlWithPageNumbers);
                }
            }

            string footerImageFile = Server.MapPath("~") + @"\DemoFiles\Images\HiQPdfLogo.png";
            PdfImage logoFooterImage = new PdfImage(footerWidth - 40 - 5, 5, 40, footerImageFile);
            htmlToPdfDocument.Footer.Layout(logoFooterImage);

            // create a border for footer
            PdfRectangle borderRectangle = new PdfRectangle(1, 1, footerWidth - 2, footerHeight - 2);
            borderRectangle.LineStyle.LineWidth = 0.5f;
            borderRectangle.ForeColor = PdfColor.DarkGreen;
            htmlToPdfDocument.Footer.Layout(borderRectangle);

            htmlToPdfDocument.Footer.RepeatInFirstPage = checkBoxDisplayFooterInFirstPage.Checked;
            htmlToPdfDocument.Footer.RepeatInOddPages = checkBoxDisplayFooterInOddPages.Checked;
            htmlToPdfDocument.Footer.RepeatInEvenPages = checkBoxDisplayFooterInEvenPages.Checked;
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                textBoxUrl.Text = "http://www.hiqpdf.com/html/html5_introduction.html";

                Master.SelectNode("pdfHeadersAndFooters");

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