private bool ExportToFile(string provider, string file, int maxSchemas, int maxSpatialContexts)
{
var conf = _context.GetConfiguration();
if (maxSchemas > 0 && conf.Schemas.Count > maxSchemas)
{
ShowError("This provider only allows " + maxSchemas + " feature schema(s)");
return(false);
}
if (maxSpatialContexts > 0 && conf.SpatialContexts.Length > maxSpatialContexts)
{
ShowError("This provider only allows " + maxSpatialContexts + " spatial context(s)");
return(false);
}
if (ExpressUtility.CreateFlatFileDataSource(provider, file))
{
var conn = ExpressUtility.CreateFlatFileConnection(provider, file);
var schema = conf.Schemas[0];
schema = FdoSchemaUtil.CloneSchema(schema, true);
using (var svc = conn.CreateFeatureService())
{
IncompatibleSchema incs;
if (!svc.CanApplySchema(schema, out incs))
{
string msg = "This schema has incompatibilities. Attempt to fix it? " + incs.ToString();
if (!WrappedMessageBox.Confirm("Incompatible schema", msg, MessageBoxText.YesNo))
{
return(false);
}
schema = svc.AlterSchema(schema, incs);
}
using (var cur = new TempCursor(Cursors.WaitCursor))
{
foreach (var sc in conf.SpatialContexts)
{
svc.CreateSpatialContext(sc, true);
}
//Only for SQLite, but this is general enough
var fscs = svc.DescribeSchema();
if (fscs.Count == 1)
{
var fsc = fscs[0];
foreach (ClassDefinition cls in schema.Classes)
{
var klass = FdoSchemaUtil.CloneClass(cls);
fsc.Classes.Add(klass);
}
schema = fsc;
}
svc.ApplySchema(schema);
}
}
conn.Close();
}
return(true);
}
public void TestSchemaClone()
{
FeatureSchemaCollection schemas = new FeatureSchemaCollection(null);
schemas.ReadXml(Path.Combine(TestHelper.CurrentPath, "Test.xml"));
FeatureSchema cloned = FdoSchemaUtil.CloneSchema(schemas[0]);
AssertHelper.EqualSchemas(schemas[0], cloned);
}
public PartialSchemaSaveDialog(FeatureSchema schema)
: this()
{
_schema = FdoSchemaUtil.CloneSchema(schema); //Operate on a clone
InitTree();
}