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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace XMLConverter
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void buttonBrowseSource_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            if (ofd.ShowDialog() == DialogResult.OK)
                textBoxSource.Text = ofd.FileName;
        }

        private void buttonBrowseDest_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            if (sfd.ShowDialog() == DialogResult.OK)
                textBoxDest.Text = sfd.FileName;
        }

        private void buttonStart_Click(object sender, EventArgs e)
        {
            string xml;
            try
            {
                using (StreamReader sr = new StreamReader(textBoxSource.Text))
                {
                    xml = sr.ReadToEnd();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Fehler beim Lesen der Datei:\n\n" + ex);
                return;
            }
            xml = xml.Remove(0, xml.IndexOf("<Name>") + 6);
            string name = xml.Substring(0, xml.IndexOf("</Name>"));
            StringBuilder output = new StringBuilder();
            output.AppendLine("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            output.AppendLine();
            output.AppendLine("<sposroutetemplate xmlns=\"http://www.meteogroup-maritime.com/spos/routetemplate\" xmlVersion=\"1\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">");
            output.AppendLine();
            output.AppendLine();
            output.AppendLine("<template created=\"2015-02-23T14:13:58.5077114Z\" name=\"" + name + "\">");
            output.AppendLine();
            output.AppendLine();
            output.AppendLine("<waypoints>");
            output.AppendLine();
            while (xml.IndexOf("</Waypoints>") > 0)
            {
                xml = xml.Remove(0, xml.IndexOf("<Name>") + 6);
                name = xml.Substring(0, xml.IndexOf("</Name>"));
                xml = xml.Remove(0, xml.IndexOf("<Latitude>") + 10);
                double latitude = double.Parse(xml.Substring(0, xml.IndexOf("</Latitude>")), CultureInfo.InvariantCulture) * 180 / Math.PI;
                xml = xml.Remove(0, xml.IndexOf("<Longitude>") + 11);
                double longitude = double.Parse(xml.Substring(0, xml.IndexOf("</Longitude>")), CultureInfo.InvariantCulture) * 180 / Math.PI;
                xml = xml.Remove(0, xml.IndexOf("</Waypoints>") + 12);
                output.AppendLine("<waypoint name=\"" + name + "\" ignoreLand=\"false\" routeTemplatePointType=\"Fixed\" tracktype=\"RhumbLine\" useSpeed=\"false\" speed=\"0\" delay=\"PT0S\" lon=\"" + longitude.ToString(CultureInfo.InvariantCulture) + "\" lat=\"" + latitude.ToString(CultureInfo.InvariantCulture) + "\"/>");
                output.AppendLine();
            }
            output.AppendLine("</waypoints>");
            output.AppendLine();
            output.AppendLine("</template>");
            output.AppendLine();
            output.AppendLine("</sposroutetemplate>");
            try
            {
                using (StreamWriter sw = new StreamWriter(textBoxDest.Text))
                    sw.Write(output.ToString());
                MessageBox.Show("erledigt!");
            }
            catch (Exception ex)
            {
                MessageBox.Show("Fehler beim Schreiben der Datei:\n\n" + ex);
            }
            
        }
    }
}