public static void EstablishFlow(Globals.GNFlowDirection flowDirection, IApplication app)
{
IProgressDialog2 progressDialog = default(IProgressDialog2);
IProgressDialogFactory progressDialogFactory = null;
IEditor editor = null;
IEditLayers eLayers = null;
IMouseCursor appCursor = null;
INetworkAnalysisExt netExt = null;
UID pUID = null;
IMap pMap = null;
List<IGeometricNetwork> gnList = null;
ITrackCancel trackCancel = null;
Int32 int32_hWnd;
IStepProgressor stepProgressor = null;
IMxDocument mxdoc = null;
try
{
int calcCount = 0;
//Get editor
editor = Globals.getEditor(ref app);
if (editor.EditState != esriEditState.esriStateEditing)
{
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("MustBEditg"), A4LGSharedFunctions.Localizer.GetString("GeoNetToolsLbl_2"));
return;
}
eLayers = editor as IEditLayers;
//Change mouse cursor to wait - automatically changes back (ArcGIS Desktop only)
appCursor = new MouseCursorClass();
appCursor.SetCursor(2);
ESRI.ArcGIS.esriSystem.IStatusBar statusBar = app.StatusBar;
statusBar.set_Message(0, A4LGSharedFunctions.Localizer.GetString("GeoNetToolsWait_1"));
//Get NA Extension in order to update the current network with the first visible network
pUID = new UIDClass();
pUID.Value = "esriEditorExt.UtilityNetworkAnalysisExt";
netExt = app.FindExtensionByCLSID(pUID) as INetworkAnalysisExt;
//Get Visible geometric networks
pMap = editor.Map;
gnList = Globals.GetGeometricNetworksCurrentlyVisible(ref pMap);
if (gnList.Count > 0)
{
//ProgressBar
progressDialogFactory = new ProgressDialogFactoryClass();
// Create a CancelTracker
trackCancel = new CancelTrackerClass();
// Set the properties of the Step Progressor
int32_hWnd = app.hWnd;
stepProgressor = progressDialogFactory.Create(trackCancel, int32_hWnd);
stepProgressor.MinRange = 0;
stepProgressor.MaxRange = gnList.Count;
stepProgressor.StepValue = 1;
stepProgressor.Message = "";
stepProgressor.Hide();
// Create the ProgressDialog. This automatically displays the dialog
progressDialog = (ESRI.ArcGIS.Framework.IProgressDialog2)stepProgressor; // Explict Cast
// Set the properties of the ProgressDialog
progressDialog.CancelEnabled = false;
progressDialog.Description = A4LGSharedFunctions.Localizer.GetString("GeoNetToolsDesc_1");
progressDialog.Title = A4LGSharedFunctions.Localizer.GetString("GeoNetToolsTitle_1");
progressDialog.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriProgressSpiral;
bool editStarted = false;
try
{// Create an edit operation enabling undo/redo
editor.StartOperation();
editStarted = true;
}
catch
{
editStarted = false;
}
IGeometricNetwork gn = null;
IEnumFeatureClass enumFC = null;
INetwork net = null;
IUtilityNetworkGEN unet = null;
IEnumNetEID edgeEIDs = null;
//IFeatureLayer fLayer = null;
try
{
for (int i = 0; i < gnList.Count; i++)
{
gn = gnList[i] as IGeometricNetwork;
// fLayer = Globals.FindLayerByFeatureClass(pMap, gn.OrphanJunctionFeatureClass, false);
//if (fLayer == null)
//{
// MessageBox.Show("Unable to set flow direction for " + gn.FeatureDataset.Name + ". Add the " + gn.OrphanJunctionFeatureClass.AliasName + " to your map and try again, if needed", "Establish Flow Direction");
// stepProgressor.Step();
// continue;
//}
//if (!eLayers.IsEditable(fLayer))
//{
// MessageBox.Show("Unable to set flow direction for " + gn.FeatureDataset.Name + ". It is visible but not editable.", "Establish Flow Direction");
// stepProgressor.Step();
// continue;
//}
stepProgressor.Message = A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_1");// +fLayer.Name;
//Establish flow using AncillaryRole values
if (flowDirection == Globals.GNFlowDirection.AncillaryRole)
{
if (editor.EditWorkspace.Equals(gn.FeatureDataset.Workspace))
{
enumFC = gn.get_ClassesByNetworkAncillaryRole(esriNetworkClassAncillaryRole.esriNCARSourceSink);
if (enumFC.Next() == null)
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_1a") + gn.FeatureDataset.Name + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_1b") + Environment.NewLine +
A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_1c"), A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_2"));
else
{
gn.EstablishFlowDirection();
calcCount += 1;
}
}
}
//Establish flow direction based on digitized direction.
else
{
net = gn.Network;
if (editor.EditWorkspace.Equals(gn.FeatureDataset.Workspace))
{
unet = net as IUtilityNetworkGEN;
edgeEIDs = net.CreateNetBrowser(esriElementType.esriETEdge);
edgeEIDs.Reset(); int edgeEID;
for (long j = 0; j < edgeEIDs.Count; j++)
{
edgeEID = edgeEIDs.Next();
unet.SetFlowDirection(edgeEID, esriFlowDirection.esriFDWithFlow);
}
calcCount += 1;
}
}
stepProgressor.Step();
}
}
catch (Exception ex)
{
editor.AbortOperation();
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_2") + "\n" + ex.Message, ex.Source);
}
finally
{
if (enumFC != null)
Marshal.ReleaseComObject(enumFC);
gn = null;
enumFC = null;
net = null;
unet = null;
edgeEIDs = null;
//fLayer = null;
}
if (editStarted)
{ // Stop the edit operation
if (flowDirection == Globals.GNFlowDirection.AncillaryRole)
editor.StopOperation(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_2"));
else
editor.StopOperation(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_3"));
}
object Missing = Type.Missing;
mxdoc = app.Document as IMxDocument;
mxdoc.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, Missing, mxdoc.ActiveView.Extent);
if (app != null)
app.StatusBar.set_Message(2, A4LGSharedFunctions.Localizer.GetString("GeoNetToolsMess_1a") + calcCount + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsMess_1b"));
}
}
catch (Exception ex)
{
MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_2") + "\n" + ex.Message, ex.Source);
return;
}
finally
{
// Cleanup
if (progressDialog != null)
progressDialog.HideDialog();
progressDialog = null;
progressDialogFactory = null;
editor = null;
eLayers = null;
appCursor = null;
netExt = null;
pUID = null;
pMap = null;
gnList = null;
trackCancel = null;
stepProgressor = null;
mxdoc = null;
}
}
