public FormPreRenderTiles(TileServiceMetadata metadata, MapServerClass mapServerClass)
{
_metadata = metadata;
_mapServerClass = mapServerClass;
InitializeComponent();
if (_metadata != null)
{
foreach (int epsg in _metadata.EPSGCodes)
{
cmbEpsg.Items.Add(epsg);
}
if (cmbEpsg.Items.Count > 0)
{
cmbEpsg.SelectedIndex = 0;
}
}
if (_mapServerClass != null && _mapServerClass.Dataset != null)
{
txtServer.Text = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "server");
txtService.Text = ConfigTextStream.ExtractValue(_mapServerClass.Dataset.ConnectionString, "service");
}
numMaxParallelRequest.Value = _maxParallelRequests;
if (metadata.FormatPng)
{
cmbImageFormat.Items.Add("image/png");
}
if (metadata.FormatJpg)
{
cmbImageFormat.Items.Add("image/jpeg");
}
if (metadata.UpperLeft && metadata.UpperLeftCacheTiles)
{
cmbOrigin.Items.Add("Upper Left");
}
if (metadata.LowerLeft && metadata.LowerLeftCacheTiles)
{
cmbOrigin.Items.Add("Lower Left");
}
if (cmbImageFormat.Items.Count > 0)
{
cmbImageFormat.SelectedIndex = 0;
}
if (cmbOrigin.Items.Count > 0)
{
cmbOrigin.SelectedIndex = 0;
}
if (cmbCacheFormat.Items.Count > 0)
{
cmbCacheFormat.SelectedIndex = 0;
}
}
async public Task <object> GetInstanceAsync()
{
if (_class == null)
{
MapServerDataset dataset = new MapServerDataset(_connectionString, _name);
// dataset.Open(); // kein open, weil sonst GET_SERVICE_INFO gemacht wird...
var elements = await dataset.Elements();
if (elements.Count == 0)
{
dataset.Dispose();
return(null);
}
_class = (await dataset.Elements()).FirstOrDefault()?.Class as MapServerClass;
}
return(_class);
}