private void ParseKML_Files()
{
Mouse.OverrideCursor = Cursors.Wait;
DateTime timeStart = DateTime.Now;
Ortsmarke.ListOrtsmarken.Clear();
WebClient w = new WebClient();
w.Encoding = System.Text.Encoding.UTF8;
//try
{
string s = w.DownloadString("http://www.dereglobus.orkenspalter.de/public/DereGlobus/Staedte/kml/Siedlungen/Siedlungen.kml");
XmlDocument doc = new XmlDocument();
doc.LoadXml(s);
string xmlns = string.Empty;
string xmlns_gx = string.Empty;
string xmlns_kml = string.Empty;
string xmlns_atom = string.Empty;
XmlNodeList linksSiedlungenFolder;
XmlNamespaceManager nsmgr;
if (doc.DocumentElement.Attributes["xmlns"] != null)
{
nsmgr = new XmlNamespaceManager(doc.NameTable);
xmlns = doc.DocumentElement.Attributes["xmlns"].Value;
nsmgr.AddNamespace("x", xmlns);
if (doc.DocumentElement.Attributes["xmlns:gx"] != null)
{
xmlns_gx = doc.DocumentElement.Attributes["xmlns:gx"].Value;
nsmgr.AddNamespace("gx", xmlns_gx);
}
if (doc.DocumentElement.Attributes["xmlns:kml"] != null)
{
xmlns_kml = doc.DocumentElement.Attributes["xmlns:kml"].Value;
nsmgr.AddNamespace("kml", xmlns_kml);
}
if (doc.DocumentElement.Attributes["xmlns:atom"] != null)
{
xmlns_atom = doc.DocumentElement.Attributes["xmlns:atom"].Value;
nsmgr.AddNamespace("atom", xmlns_atom);
}
linksSiedlungenFolder = doc.SelectNodes("//x:Folder/x:NetworkLink/x:Link/x:href", nsmgr);
}
else
{
linksSiedlungenFolder = doc.SelectNodes("//Folder/NetworkLink/Link/href");
}
string indexString = "Name;Art;Longitude;Latitude;Link" + Environment.NewLine;
foreach (XmlNode nodeSiedlungenLink in linksSiedlungenFolder)
{
string linkSiedlungen = nodeSiedlungenLink.InnerText;
s = w.DownloadString(linkSiedlungen);
doc = new XmlDocument();
// fehlerhafte Dokumente reparieren
if (!s.Contains("xmlns:gx=\"http://www.google.com/kml/ext/2.2\""))
s= s.Replace("<kml xmlns=\"http://earth.google.com/kml/2.2\">",
"<kml xmlns=\"http://earth.google.com/kml/2.2\" xmlns:gx=\"http://www.google.com/kml/ext/2.2\">");
doc.LoadXml(s);
XmlNodeList list;
if (doc.DocumentElement.Attributes["xmlns"] != null)
{
nsmgr = new XmlNamespaceManager(doc.NameTable);
xmlns = doc.DocumentElement.Attributes["xmlns"].Value;
nsmgr.AddNamespace("x", xmlns);
if (doc.DocumentElement.Attributes["xmlns:gx"] != null)
{
xmlns_gx = doc.DocumentElement.Attributes["xmlns:gx"].Value;
nsmgr.AddNamespace("gx", xmlns_gx);
}
if (doc.DocumentElement.Attributes["xmlns:kml"] != null)
{
xmlns_kml = doc.DocumentElement.Attributes["xmlns:kml"].Value;
nsmgr.AddNamespace("kml", xmlns_kml);
}
if (doc.DocumentElement.Attributes["xmlns:atom"] != null)
{
xmlns_atom = doc.DocumentElement.Attributes["xmlns:atom"].Value;
nsmgr.AddNamespace("atom", xmlns_atom);
}
list = doc.SelectNodes("//x:Placemark", nsmgr);
}
else
{
list = doc.SelectNodes("//Placemark");
}
foreach (XmlNode node in list)
{
string point = string.Empty;
if (node["Point"] != null)
point = node["Point"].InnerText;
string[] coordinates = point.Split(',');
// Link
string link = string.Empty;
XmlNode linkNode;
if (node["ExtendedData"] != null && (linkNode = node["ExtendedData"]["Data"]) != null)
{
XmlAttribute at = linkNode.Attributes["name"];
if (at != null && at.Value == "Link" && linkNode["value"] != null)
{
if (linkNode["value"].InnerText != "$[name]")
link = linkNode["value"].InnerText;
}
}
Ortsmarke lm = new Ortsmarke()
{
Name = node["name"].InnerText.Trim(),
Longitude = (coordinates.Length >= 1 ? coordinates[0].Trim() : string.Empty),
Latitude = (coordinates.Length >= 2 ? coordinates[1].Trim() : string.Empty),
KmlLink = linkSiedlungen,
Art = node["styleUrl"].InnerText.Split('#')[1].Trim(),
Link = link
};
Ortsmarke.ListOrtsmarken.Add(lm);
indexString += lm.ToCSV((bool)KmlLinks) + Environment.NewLine;
}
}
_listBoxOrtsmarken.BeginInit();
_listBoxOrtsmarken.ItemsSource = Ortsmarke.ListOrtsmarken;
_textBoxFilter.Text = string.Empty;
_listBoxOrtsmarken.Items.SortDescriptions.Add(new System.ComponentModel.SortDescription("Name", System.ComponentModel.ListSortDirection.Ascending));
textBlock3.Text = Ortsmarke.ListOrtsmarken.Count + " Ortsmarken";
_listBoxOrtsmarken.EndInit();
DateTime timeEnde = DateTime.Now;
TimeSpan dauer = timeEnde - timeStart;
_textBlockDauer.Text = "Ladedauer: " + dauer.ToString(@"mm\:ss\.fff");
System.IO.TextWriter csvWriter = System.IO.File.CreateText("Index.csv");
csvWriter.Write(indexString);
csvWriter.Close();
MessageBox.Show("Die Ortsmarken-Daten wurden vom DereGlobus extrahiert!\n\nDie Index-Datei wurde im Programm-Verzeichnis gespeichert.");
}
//catch (Exception ex)
//{
// MsgWindow errWin = new MsgWindow("DereGlobus Daten laden", "Beim Laden der DereGlobus Daten ist ein Fehler aufgetreten!", ex);
// errWin.ShowDialog();
//}
Mouse.OverrideCursor = Cursors.Arrow;
}
private void Load_From_CSV(WebClient w)
{
string link = string.Empty;
string s = string.Empty;
if (System.IO.File.Exists("DereGlobusIndex.csv"))
{
try
{
s = System.IO.File.ReadAllText("DereGlobusIndex.csv");
}
catch (Exception)
{
}
}
else
{
link = Properties.Settings.Default.DG_IndexPfad_CSV;
try
{
s = w.DownloadString(link);
}
catch (WebException)
{
// hier kann man einen Download der Index-Datei von einer alternativen Webadresse versuchen
link = Properties.Settings.Default.DG_IndexPfad_CSV_Fallback;
try
{
s = w.DownloadString(link);
}
catch (Exception)
{
throw;
}
}
}
System.IO.StringReader reader = new System.IO.StringReader(s);
// Erste Zeile ignorieren, da Header
reader.ReadLine();
string line = null;
string[] attributes;
while (true)
{
line = reader.ReadLine();
if (line != null)
{
attributes = line.Split(';');
Ortsmarke lm = new Ortsmarke();
if (attributes != null && attributes.Length >= 1)
lm.Name = attributes[0];
if (attributes != null && attributes.Length >= 2)
lm.Art = attributes[1];
if (attributes != null && attributes.Length >= 3)
lm.Longitude = attributes[2];
if (attributes != null && attributes.Length >= 4)
lm.Latitude = attributes[3];
if (attributes != null && attributes.Length >= 5)
lm.Link = attributes[4];
if (attributes != null && attributes.Length >= 6)
lm.KmlLink = attributes[5];
Ortsmarke.ListOrtsmarken.Add(lm);
}
else
break; // Ende der Datei erreicht
}
}