public DatasourceInput(string filename)
{
// TODO: datasource must be closed in case of OGR layers
var identity = new LayerIdentity(filename);
var ds = GeoSource.OpenFromIdentity(identity);
Datasource = ds.GetLayers().FirstOrDefault();
}
public bool IsParentOf(LayerIdentity identity)
{
if (identity.IdentityType != LayerIdentityType.File)
{
return(false);
}
return(Shared.PathHelper.IsParentOf(GetPath(), identity.Filename));
}
public DatasourcePointer(LayerIdentity identity)
{
if (identity == null)
{
throw new ArgumentNullException("identity");
}
LayerIdentity = identity;
LayerHandle = -1;
_name = Path.GetFileNameWithoutExtension(identity.Filename);
}
public bool IsParentOf(LayerIdentity identity)
{
if (identity.IdentityType != LayerIdentityType.OgrDatasource)
{
return(false);
}
// it may be trickier than that since items in connection string
// aren't necessarily in the same order
return(Connection.ConnectionString.EqualsIgnoreCase(identity.Connection));
}
public static IDatasource OpenFromIdentity(LayerIdentity identity)
{
switch (identity.IdentityType)
{
case LayerIdentityType.File:
return(Open(identity.Filename));
case LayerIdentityType.OgrDatasource:
return(OpenFromDatabase(identity.Connection, identity.Query));
default:
throw new ArgumentOutOfRangeException();
}
}
private bool AddWmsLayer(LayerIdentity identity)
{
if (identity.IdentityType == LayerIdentityType.Wms)
{
var wms = new WmsSource("")
{
BaseUrl = identity.Connection, Layers = identity.Query
};
// TODO: we don't notify plugin about it, perhaps we should
int layerHandle = _context.Map.Layers.Add(wms);
if (layerHandle != -1)
{
_lastLayerHandle = layerHandle;
return(true);
}
}
return(false);
}
public bool RemoveLayer(LayerIdentity identity)
{
var layers = _context.Map.Layers.Where(l => l.Identity == identity);
BeginBatch();
bool result = false;
foreach (var l in layers)
{
if (!RemoveLayerCore(l.Handle, true))
{
result = false;
break;
}
result = true;
}
EndBatch();
return(result);
}
public bool AddLayerIdentity(LayerIdentity identity)
{
if (identity == null)
{
return(false);
}
switch (identity.IdentityType)
{
case LayerIdentityType.File:
return(AddLayersFromFilenameCore(identity.Filename));
case LayerIdentityType.OgrDatasource:
return(AddDatabaseLayer(identity.Connection, identity.Query, identity.GeometryType));
case LayerIdentityType.Wms:
return(AddWmsLayer(identity));
default:
Logger.Current.Warn("Unexpected layer identity");
return(false);
}
}
public bool IsParentOf(LayerIdentity identity)
{
return(false);
}
public DatasourcePointer(string filename)
{
LayerIdentity = new LayerIdentity(filename);
LayerHandle = -1;
_name = Path.GetFileNameWithoutExtension(filename);
}
