using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using ColorCode;
using SelectPdf;

namespace SelectPdf.Samples
{
    public partial class PdfElementsPositions : Form
    {
        private void BtnCreatePdf_Click(object sender, EventArgs e)
        {
            Cursor = Cursors.WaitCursor;
            string file = "Document.pdf";

            try
            {
                // create a new pdf document
                PdfDocument doc = new PdfDocument();

                // add a new page to the document
                PdfPage page = doc.AddPage();

                // create a new pdf font
                PdfFont font = doc.AddFont(PdfStandardFont.Helvetica);
                font.Size = 20;

                // define a rendering result object
                PdfRenderingResult result;

                // create a new text element and add it to the page
                // Important: get the rendering result returned by Add() 
                // into the PdfRenderingResult object
                PdfTextElement text = new PdfTextElement(0, 0, "Hello world!", font);
                result = page.Add(text);

                // add 10 more text element, leaving 30pt between the text lines
                for (int i = 1; i <= 10; i++)
                {
                    PdfTextElement elem = new PdfTextElement(0,
                        result.PdfPageLastRectangle.Bottom + 30, "Text line " + i, font);
                    result = page.Add(elem);
                }

                // save pdf document
                doc.Save(file);

                // close pdf document
                doc.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(String.Format("Error: {0}", ex.Message),
                    "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            finally
            {
                Cursor = Cursors.Arrow;
            }

            // open generated pdf
            try
            {
                System.Diagnostics.Process.Start(file);
            }
            catch
            {
                MessageBox.Show("Could not open generated pdf document",
                    "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public PdfElementsPositions()
        {
            InitializeComponent();
            try
            {
                // display highlighted sample code
                string code = Helper.ReadSourceCode("PdfElementsPositions.cs");
                WBSampleCode.DocumentText = new CodeColorizer().Colorize(code, Languages.CSharp);
            }
            catch
            {
                WBSampleCode.DocumentText = "Sample code not available";
            }
        }

    }
}
