private Task ChangeUSHighwaysLayerDataConnectionAsync(FeatureLayer featureLayer, string catalogPath)
{
return(QueuedTask.Run(() => {
CIMDataConnection currentDataConnection = featureLayer.GetDataConnection();
string connection = System.IO.Path.GetDirectoryName(catalogPath);
string suffix = System.IO.Path.GetExtension(connection).ToLower();
var workspaceConnectionString = string.Empty;
WorkspaceFactory wf = WorkspaceFactory.FileGDB;
if (suffix == ".sde")
{
wf = WorkspaceFactory.SDE;
var dbGdbConnection = new DatabaseConnectionFile(new Uri(connection, UriKind.Absolute));
workspaceConnectionString = new Geodatabase(dbGdbConnection).GetConnectionString();
}
else
{
var dbGdbConnectionFile = new FileGeodatabaseConnectionPath(new Uri(connection, UriKind.Absolute));
workspaceConnectionString = new Geodatabase(dbGdbConnectionFile).GetConnectionString();
}
string dataset = System.IO.Path.GetFileName(catalogPath);
// provide a replace data connection method
CIMStandardDataConnection updatedDataConnection = new CIMStandardDataConnection()
{
WorkspaceConnectionString = workspaceConnectionString,
WorkspaceFactory = wf,
Dataset = dataset,
DatasetType = esriDatasetType.esriDTFeatureClass
};
featureLayer.SetDataConnection(updatedDataConnection);
//For a RDBMS, it might look like this:
//string connection = "C:\\Work\\temp.sde";
//Geodatabase sde = new Geodatabase(connection);
//// provide a replace data connection method
//CIMStandardDataConnection updatedDataConnection = new CIMStandardDataConnection();
//updatedDataConnection.WorkspaceConnectionString = sde.GetConnectionString();
//updatedDataConnection.WorkspaceFactory = WorkspaceFactory.SDE;
//updatedDataConnection.Dataset = "vtest.usa.states";
//updatedDataConnection.DatasetType = esriDatasetType.esriDTFeatureClass;
//// Alternatively, use Layer.FindAndReplaceWorkspacePath()
////Note: this will not allow changing the dataset name or workspace type
////
////string connection = "C:\\Work\\temp.sde";
////Geodatabase sde = new Geodatabase(connection);
////featureLayer.FindAndReplaceWorkspacePath(((CIMStandardDataConnection)currentDataConnection).WorkspaceConnectionString,
//// sde.GetConnectionString(), true);
//////////////////////////////////////////////
////Please Read
////
//ok, so at this point we have a couple of bugs at 1.1 AND 1.2.....
//
//#1: if you switched to a Datasource that invalidates the Renderer, the Renderer does
//not get invalidated in the UI
//(eg You had a UniqueValueRenderer on a Field called "CATEGORY", the new datasource
//does NOT have that field and so the renderer is invalid).
//
//#2: By default, Layers are added with a permanent cache. The cache is NOT automatically
//invalidated so data (eg in the Attribute table, on the screen for draws) does NOT get
//Refreshed so you have to invalidate the cache manually...
//So, Bug #1 - we arbitrarily switch the Renderer to a simple renderer as a work around for that...
featureLayer.SetRenderer(featureLayer.CreateRenderer(new SimpleRendererDefinition()));
//Bug #2, we manually invalidate the cache
featureLayer.ClearDisplayCache();
}));
}
private Task ChangeUSHighwaysLayerDataConnectionAsync(FeatureLayer featureLayer, string catalogPath) {
return QueuedTask.Run(() => {
CIMDataConnection currentDataConnection = featureLayer.GetDataConnection();
string connection = System.IO.Path.GetDirectoryName(catalogPath);
string suffix = System.IO.Path.GetExtension(connection).ToLower();
WorkspaceFactory wf = WorkspaceFactory.FileGDB;
if (suffix == ".sde") {
wf = WorkspaceFactory.SDE;
}
string dataset = System.IO.Path.GetFileName(catalogPath);
// provide a replace data connection method
CIMStandardDataConnection updatedDataConnection = new CIMStandardDataConnection() {
WorkspaceConnectionString = new Geodatabase(connection).GetConnectionString(),
WorkspaceFactory = wf,
Dataset = dataset,
DatasetType = esriDatasetType.esriDTFeatureClass
};
featureLayer.SetDataConnection(updatedDataConnection);
//For a RDBMS, it might look like this:
//string connection = "C:\\Work\\temp.sde";
//Geodatabase sde = new Geodatabase(connection);
//// provide a replace data connection method
//CIMStandardDataConnection updatedDataConnection = new CIMStandardDataConnection();
//updatedDataConnection.WorkspaceConnectionString = sde.GetConnectionString();
//updatedDataConnection.WorkspaceFactory = WorkspaceFactory.SDE;
//updatedDataConnection.Dataset = "vtest.usa.states";
//updatedDataConnection.DatasetType = esriDatasetType.esriDTFeatureClass;
//// Alternatively, use Layer.FindAndReplaceWorkspacePath()
////Note: this will not allow changing the dataset name or workspace type
////
////string connection = "C:\\Work\\temp.sde";
////Geodatabase sde = new Geodatabase(connection);
////featureLayer.FindAndReplaceWorkspacePath(((CIMStandardDataConnection)currentDataConnection).WorkspaceConnectionString,
//// sde.GetConnectionString(), true);
//////////////////////////////////////////////
////Please Read
////
//ok, so at this point we have a couple of bugs at 1.1 AND 1.2.....
//
//#1: if you switched to a Datasource that invalidates the Renderer, the Renderer does
//not get invalidated in the UI
//(eg You had a UniqueValueRenderer on a Field called "CATEGORY", the new datasource
//does NOT have that field and so the renderer is invalid).
//
//#2: By default, Layers are added with a permanent cache. The cache is NOT automatically
//invalidated so data (eg in the Attribute table, on the screen for draws) does NOT get
//Refreshed so you have to invalidate the cache manually...
//So, Bug #1 - we arbitrarily switch the Renderer to a simple renderer as a work around for that...
featureLayer.SetRenderer(featureLayer.CreateRenderer(new SimpleRendererDefinition()));
//Bug #2, we manually invalidate the cache
featureLayer.ClearDisplayCache();
});
}
