//Upload a symbolicLocation in the background (update or create)
//Form: AsyncTask<[Input Parameter Type], [Progress Report Type], [Result Type]>
private void UploadSymbolicLocationTask(SymbolicLocation tmpSymLoc)
{
isUploading = true;
mContext = LocationService.radiomapContext;
Vertex currentVertex = Map2DOffline.SelectedOfflineVertex;
SymbolicLocation currentSymLoc = currentVertex.SymbolicLocations.FirstOrDefault();
//1) upload NEW symbolic location
if (currentSymLoc == null)
{
mContext.AddRelatedObject(currentVertex, "SymbolicLocations", tmpSymLoc);
currentVertex.SymbolicLocations.Add(tmpSymLoc);
}
//2) or UPDATE existing
else
{
//copy updated values
currentSymLoc.title = tmpSymLoc.title;
currentSymLoc.description = tmpSymLoc.description;
currentSymLoc.url = tmpSymLoc.url;
currentSymLoc.is_entrance = tmpSymLoc.is_entrance;
mContext.UpdateObject(currentSymLoc);
}
try
{
mContext.BeginSaveChanges(OnChangesSaved, mContext);
//uploadProgressBar.Visibility = System.Windows.Visibility.Visible;
uploadProgressIndicator.IsVisible = isUploading;
}
catch (Exception ex)
{
isUploading = false;
uploadProgressIndicator.IsVisible = isUploading;
MessageBox.Show(string.Format("The changes could not be saved.\n"
+ "The following error occurred: {0}", ex.Message));
}
}
private void OnChangesSaved(IAsyncResult result)
{
bool errorOccured = false;
// Use the Dispatcher to ensure that the
// asynchronous call returns in the correct thread.
Dispatcher.BeginInvoke(() =>
{
isUploading = false;
uploadProgressIndicator.IsVisible = isUploading;
mContext = result.AsyncState as radiomapEntities;
try
{
// Complete the save changes operation and display the response.
DataServiceResponse response = mContext.EndSaveChanges(result);
foreach (ChangeOperationResponse changeResponse in response)
{
if (changeResponse.Error != null) errorOccured = true;
}
if (!errorOccured)
{
Globals.ShowDialog(this, Globals.CHANGES_SAVED, Globals.DURATION_SHORT);
//Finalize edge, i.e., add it to the endpoint's edges and to the building
/*
Building b = LocationService.CurrentBuilding;
b.Edges.Add(mCurrentEdge);
foreach (Vertex v in mCurrentEdge.Vertices)
{
if (!v.Edges.Contains(mCurrentEdge))
v.Edges.Add(mCurrentEdge);
}
*/
NavigationService.GoBack();
//Tell everyone the good news!
if (OnEdgeAdded != null)
{
OnEdgeAdded(this, EventArgs.Empty);
}
}
else
{
MessageBox.Show("An error occured. One or more changes could not be saved.");
}
}
catch (Exception ex)
{
// Display the error from the response.
string errorMsg = ex.InnerException != null ?
ex.InnerException.Message :
ex.Message;
MessageBox.Show(string.Format("The following error occured: {0}", errorMsg));
}
}
);
}
//Upload a symbolicLocation in the background (update or create)
//Form: AsyncTask<[Input Parameter Type], [Progress Report Type], [Result Type]>
private void AddEdgeTask()
{
isUploading = true;
mContext = LocationService.radiomapContext;
/*
Uri radiomapUri = new Uri("http://smartcampusaau.cs.aau.dk/RadioMapService3/RadioMapService.svc/");
mContext = new radiomapEntities(radiomapUri);
Building b = (mContext.Buildings.Where(b1 => b1.ID == LocationService.CurrentBuilding.ID)).First();
Vertex v0 = (mContext.Vertices.Where(v => v.ID == mCurrentEdge.Vertices[0].ID)).First();
Vertex v1 = (mContext.Vertices.Where(v => v.ID == mCurrentEdge.Vertices[1].ID)).Single();
mContext.AddToEdges(mCurrentEdge);
mContext.AddLink(b, "Edges", mCurrentEdge);
mContext.AddLink(v0, "Edges", mCurrentEdge);
mContext.AddLink(v1, "Edges", mCurrentEdge);
*/
//Link to/from the building and endpoints
mContext.AddToEdges(mCurrentEdge);
Building b = LocationService.CurrentBuilding;
b.Edges.Add(mCurrentEdge);
/*
foreach (Vertex v in mCurrentEdge.Vertices)
{
if (!v.Edges.Contains(mCurrentEdge))
v.Edges.Add(mCurrentEdge);
}
*/
try
{
mContext.BeginSaveChanges(OnChangesSaved, mContext);
uploadProgressIndicator.IsVisible = isUploading;
}
catch (Exception ex)
{
isUploading = false;
uploadProgressIndicator.IsVisible = isUploading;
MessageBox.Show(string.Format("The changes could not be saved.\n"
+ "The following error occurred: {0}", ex.Message));
}
}
private static void UploadTrackingDataAndFlushBuffer()
{
if (bufferedTrackedPositions == null)
return;
if (bufferedTrackedPositions.Count == 0)
return;
//copy tracking data and clear buffer
TrackedPosition[] tmp;
lock (bufferedTrackedPositionsLock)
{
int numPositions = bufferedTrackedPositions.Count;
tmp = new TrackedPosition[numPositions];
bufferedTrackedPositions.CopyTo(tmp);
bufferedTrackedPositions.Clear();
}
radiomapEntities context = new radiomapEntities(radiomapUri);
foreach (TrackedPosition pos in tmp)
{
context.AddToTrackedPositions(pos);
}
context.BeginSaveChanges(SaveChangesOptions.Batch, OnPositionEstimatesSaved, context);
}
/// <summary>
/// Downloads a radio map for the building with the specified id.
/// </summary>
/// <param name="buildingId"></param>
public static void DownloadRadioMap(int buildingId)
{
radiomapContext = new radiomapEntities(radiomapUri);
buildings = new DataServiceCollection<Building>(radiomapContext);
String expandOptions = "Building_Floors,Vertices,Vertices/AbsoluteLocations,Vertices/SymbolicLocations,Vertices/Edges,Edges,Edges/Vertices,Edges/Vertices/AbsoluteLocations";
var query = from b in radiomapContext.Buildings.Expand(expandOptions)
where b.ID == buildingId
select b;
// Register for the LoadCompleted event.
buildings.LoadCompleted
+= new EventHandler<LoadCompletedEventArgs>(buildings_LoadCompleted);
buildings.LoadAsync(query);
}
private void RemoveEdgeTask()
{
if (CurrentEdge == null)
throw new InvalidOperationException("No link to remove");
isUploading = true;
mContext = LocationService.radiomapContext;
//Add the edge
mContext.DeleteObject(CurrentEdge);
try
{
mContext.BeginSaveChanges(OnChangesSaved, mContext);
uploadProgressIndicator.IsVisible = isUploading;
}
catch (Exception ex)
{
isUploading = false;
uploadProgressIndicator.IsVisible = isUploading;
// Display the error from the response.
string errorMsg = ex.InnerException != null ?
ex.InnerException.Message :
ex.Message;
MessageBox.Show(string.Format("The following error occured: {0}", errorMsg));
}
}
private void OnChangesSaved(IAsyncResult result)
{
bool errorOccured = false;
// Use the Dispatcher to ensure that the
// asynchronous call returns in the correct thread.
Dispatcher.BeginInvoke(() =>
{
isUploading = false;
uploadProgressIndicator.IsVisible = isUploading;
mContext = result.AsyncState as radiomapEntities;
try
{
// Complete the save changes operation and display the response.
DataServiceResponse response = mContext.EndSaveChanges(result);
foreach (ChangeOperationResponse changeResponse in response)
{
if (changeResponse.Error != null) errorOccured = true;
}
if (!errorOccured)
{
Globals.ShowDialog(this, Globals.CHANGES_SAVED, Globals.DURATION_SHORT);
NavigationService.GoBack();
if (OnSymbolicLocationChange != null)
{
OnSymbolicLocationChange(this, null);
}
}
else
{
MessageBox.Show("An error occured. One or more changes could not be saved.");
}
}
catch (Exception ex)
{
// Display the error from the response.
MessageBox.Show(string.Format("The following error occured: {0}", ex.Message));
}
}
);
}
