public async Task <bool> LoadAsync()
{
if (string.IsNullOrEmpty(Path))
{
return(false);
}
try
{
FileStream fs = new FileStream(Path, FileMode.Open, FileAccess.Read);
byte[] data = new byte[fs.Length];
await fs.ReadAsync(data, 0, data.Length).ConfigureAwait(false);
List <ProblemViewModel> ps = new List <ProblemViewModel>();
data = DocumentHelper.UnpackData(data);
if (data == null)
{
return(false);
}
MemoryStream ms = new MemoryStream(data);
while (ms.Position < ms.Length)
{
ProblemViewModel problem = null;
Dispatcher.BeginInvoke((Action)(() => {
problem = ProblemViewModel.CreateFromStream(ms);
})).Wait();
if (problem == null)
{
return(false);
}
if (!await Task.Factory.StartNew(() =>
{
if (problem == null || !problem.Load(ms))
{
return(false);
}
return(true);
}).ConfigureAwait(false))
{
return(false);
}
ps.Add(problem);
}
ms.Close();
Dispatcher.BeginInvoke((Action)(() => {
Problems.Clear();
foreach (var problem in ps)
{
Problems.Add(problem);
}
}));
IsDirty = false;
return(true);
}
catch (Exception)
{
return(false);
}
}
public void Close()
{
foreach (var p in Problems)
{
p.Close();
}
Problems.Clear();
FixWhat.Close();
}
public void CloseFile()
{
SqliteDb.GetInstance().CloseConnection();
Path = string.Empty;
IsFileOpen = false;
Problems.Clear();
CurrentProblem = null;
Graph = new Graphing.RootCauseGraph();
NotifyFileChanged();
}
public void RemoveAll()
{
Problems.Clear();
}