async void LoadGeoDb(EngineeringMap emap)
{
string file = ProjDef.LocalFilePath + "\\" + emap.LocalGeoDbFileName;
if (File.Exists(file))
{
Geodatabase gdb = await Geodatabase.OpenAsync(file);
IEnumerable <GeodatabaseFeatureTable> featureTables =
gdb.FeatureTables;
List <GdbLayer> gdbLayers = new List <GdbLayer>();
foreach (var table in featureTables)
{
GdbLayer layer = new GdbLayer();
layer.Name = table.Name;
layer.Visibility = false;
layer.FeatureTable = table;
gdbLayers.Add(layer);
LayerDef lyrDef = emap.LocalGdbLayersDef.Find(x => x.Name == table.Name);
if (lyrDef == null)
{
lyrDef = GdbHelper.GenerateDefaultLayerDef(table);
emap.LocalGdbLayersDef.Add(lyrDef);
}
await GdbHelper.addGeodatabaseLayer(Map, lyrDef, table);
}
GeoDBLayrList.ItemsSource = gdbLayers;
}
}
// Load the specifiled emap's geodatabase, and add all the features layers to the map.
//
async Task ReloadGeoDb(EngineeringMap emap)
{
// Clear existing Local GeoDB layers
if (GeoDBLayrLB.ItemsSource != null)
{
foreach (var item in GeoDBLayrLB.ItemsSource)
{
GdbLayer lyr = item as GdbLayer;
Layer mapLyr = Map.Layers[lyr.Name];
if (mapLyr != null)
{
Map.Layers.Remove(mapLyr);
}
}
GeoDBLayrLB.ItemsSource = null;
}
// Load new
string file = _projDef.LocalFilePath + "\\" + emap.LocalGeoDbFileName;
if (File.Exists(file))
{
// Open geodatabase
Geodatabase gdb = await Geodatabase.OpenAsync(file);
IEnumerable <GeodatabaseFeatureTable> featureTables =
gdb.FeatureTables;
List <GdbLayer> gdbLayers = new List <GdbLayer>();
foreach (var table in featureTables)
{
// Search LayerDef, use default if not found.
LayerDef lyrDef = emap.LocalGdbLayersDef.Find(x => x.Name == table.Name);
if (lyrDef == null)
{
lyrDef = GdbHelper.GenerateDefaultLayerDef(table);
emap.LocalGdbLayersDef.Add(lyrDef);
}
// GdbLayer is used for UI binding and selection operations.
GdbLayer layer = new GdbLayer();
layer.Name = table.Name;
layer.Visibility = lyrDef.IsVisible;
layer.LayerObject = layer;
layer.FeatureTable = table;
layer.Extent = table.Extent;
gdbLayers.Add(layer);
// Add the feature layer to the map
await GdbHelper.addGeodatabaseLayer(Map, lyrDef, table);
}
// Refresh UI
GeoDBLayrLB.ItemsSource = gdbLayers;
}
}