/// <summary>
/// Method to invoke when the AddCFile command is executed.
/// </summary>
private async Task OnAddCFileExecuteAsync()
{
try
{
var openFileService = ServiceLocator.Default.ResolveType <IOpenFileService>();
openFileService.Filter = "Kflop C Program File| *.c";
if (!string.IsNullOrEmpty(LastCProgramPath))
{
openFileService.InitialDirectory = Path.GetDirectoryName(LastCProgramPath);
openFileService.FileName = Path.GetFileNameWithoutExtension(LastCProgramPath);
}
else
{
openFileService.InitialDirectory = Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, @"..\..\C Programs"));
}
if (openFileService.DetermineFile())
{
List <int> freeThreads = new List <int>()
{
1, 2, 3, 4, 5, 6, 7
};
freeThreads.DefaultIfEmpty(-1);
foreach (ThreadCProgram cp in ThreadCPrograms)
{
if (cp.ThreadID != null)
{
freeThreads.Remove(cp.ThreadID.Value);
}
}
int id = freeThreads.FirstOrDefault();
if (id == -1)
{
LogTo.Warning("All threads in use, resuing thread ID 1 for C Program {1}.", openFileService.FileName);
}
ThreadCProgram cprog = new ThreadCProgram()
{
FilePath = openFileService.FileName, ThreadID = id
};
this.ThreadCPrograms.Add(cprog);
LastCProgramPath = openFileService.FileName;
ViewModelCommandManager.InvalidateCommands(true);
LogTo.Info("Loaded C Program from: {0}", LastCProgramPath);
}
}
catch (Exception ex)
{
string errmsg = string.Format("Error loading C program: {0}", ex.Message);
LogTo.Error(errmsg);
await Shared.Utility.ShowErrorMsgAsync(this, errmsg);
}
}
public void OnSelectedCProgramPropertyChanged(object sender, PropertyChangedEventArgs e)
{
ThreadCProgram cp = sender as ThreadCProgram;
if (cp == null)
{
return;
}
if (e.PropertyName == "ThreadID")
{
ListCollectionView list = (ListCollectionView)FreeThreads;
//this always returns 'null' (for no thread id) plus the unused ids
//list.Filter = new Predicate<object>(x => !((int?)x).HasValue || ThreadCPrograms.FirstOrDefault(c=>c.ThreadID == (int?)x) == null || (int?)x==SelectedCProgram.ThreadID);
list.Filter = new Predicate <object>(x => (!((int?)x).HasValue || ThreadCPrograms.FirstOrDefault(c => c.ThreadID == (int?)x) == null) && (int?)x != SelectedCProgram.ThreadID);
list.Refresh();
ViewModelCommandManager.InvalidateCommands(true);
}
}
