private void btnExport_Click(object sender, EventArgs e)
{
metadata m = new metadata(txtName.Text, txtDesc.Text, txtAuthor.Text, txtKeywords.Text, txtURL.Text, txtEmail.Text, txtAuthorURL.Text);
char[] colon = { ':' };
if (listTracks.SelectedIndex < 0)
{
return;
}
int t = Convert.ToInt32(listTracks.SelectedItem.ToString().Split(colon)[0]);
Export(t, m);
}
private void Export(int cNumber, metadata Details)
{
int year, month, day;
//int hour, minute, second;
string[] localstart = listTracks.SelectedItem.ToString().Split(' ');
string[] localdate = localstart[1].Split('-');
//string[] localtime = localstart[2].Split(':');
year = Convert.ToInt32(localdate[0]);
month = Convert.ToInt32(localdate[1]);
day = Convert.ToInt32(localdate[2]);
//hour = Convert.ToInt32(localtime[0]);
//minute = Convert.ToInt32(localtime[1]);
//second = Convert.ToInt32(localtime[2]);
//DateTime d = new DateTime(year, month, day, hour, minute, second);
DateTime d = new DateTime(year, month, day);
DateTime UTCd = d.AddHours(Convert.ToDouble(numericUpDown1.Value));
//select file to save to
DialogResult result = saveFileDialog1.ShowDialog();
//if result == ok etc
//open connection to db
string strAccessConn = @"Provider=Microsoft.JET.OLEDB.4.0;Data Source=" + openFileDialog1.FileName + "; Jet OLEDB:Database Password=danger";
string strAccessSelect = "SELECT LongitudeN,LatitudeN,TrackTime,LonSign,LatSign FROM TrackPoint WHERE Cnumber = " + cNumber + " ORDER BY SerNo";
// Create the dataset and add the Categories table to it:
DataSet myDataSet = new DataSet();
OleDbConnection myAccessConn = null;
try
{
myAccessConn = new OleDbConnection(strAccessConn);
}
catch (Exception ex)
{
Console.WriteLine("Error: Failed to create a database connection. \n{0}", ex.Message);
return;
}
try
{
OleDbCommand myAccessCommand = new OleDbCommand(strAccessSelect, myAccessConn);
OleDbDataAdapter myDataAdapter = new OleDbDataAdapter(myAccessCommand);
myAccessConn.Open();
myDataAdapter.Fill(myDataSet, "TrackPoint");
}
catch (Exception ex)
{
Console.WriteLine("Error: Failed to retrieve the required data from the DataBase.\n{0}", ex.Message);
return;
}
finally
{
myAccessConn.Close();
}
XmlWriterSettings xs = new XmlWriterSettings();
//xs.CheckCharacters = false;
xs.Indent = true;
XmlWriter writer = XmlWriter.Create(saveFileDialog1.FileName, xs);
writer.WriteStartDocument();
writer.WriteStartElement("gpx", @"http://www.topografix.com/GPX/1/0");
//writer.WriteAttributeString("xmlns", @"http://www.topografix.com/GPX/1/0");
writer.WriteAttributeString("creator", "Laser GPS Converter");
writer.WriteAttributeString("version", "1.0");
writer.WriteAttributeString("xsi", "xlmns", @"http://www.w3.org/2001/XMLSchema-instance");
writer.WriteAttributeString("schemaLocation", "xsi", @"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd");
//assume no metadata for now - skip
writer.WriteStartElement("trk");
writer.WriteStartElement("trkseg");
DataRowCollection dra = myDataSet.Tables["TrackPoint"].Rows;
foreach (DataRow dr in dra)
{
writer.WriteStartElement("trkpt");
if (dr[4].ToString().Trim().Equals("N"))
{
writer.WriteAttributeString("lat", dr[1].ToString());
}
else
{
writer.WriteAttributeString("lat", "-" + dr[1].ToString());
}
if (dr[3].ToString().Trim().Equals("E"))
{
writer.WriteAttributeString("lon", dr[0].ToString());
}
else
{
writer.WriteAttributeString("lon", "-" + dr[0].ToString());
}
writer.WriteStartElement("time");
//dr[2] = 14:48:25, etc
string[] localtime = dr[2].ToString().Trim().Split(':');
DateTime localT = UTCd.AddHours(Convert.ToInt32(localtime[0]));
localT = localT.AddMinutes(Convert.ToInt32(localtime[1]));
localT = localT.AddSeconds(Convert.ToInt32(localtime[2]));
writer.WriteString(String.Join("-", localT.Year, localT.Month, localT.Day) + "T" + String.Join(":", localT.Hour, localT.Minute, localT.Second) + "Z");
writer.WriteEndElement();
writer.WriteEndElement();
}
writer.WriteEndDocument();
writer.Close();
//update tracktime to add date from listTracks
//retrieve timezone setting, convert from number to timezone, update tracktime
//create gpx file, start xml
//write metadata to gpx file if necessary
//retrieve matching datapoints
//write each to gpx file
//finish xml
//close file
}
