private Task <LoadMetadataResults> LoadMetadata_Execute(string rootProps)
{
var viewModel = ViewModel;
var busyPickingFile = MainResources.Busy_PickingFile;
var busySavingTheme = MainResources.Busy_SavingTheme;
string[] splProps = (rootProps ?? String.Empty).Split('.');
var task = new Task <LoadMetadataResults>(() =>
{
BusyText = busyPickingFile;
var result = new LoadMetadataResults()
{
Loaded = false,
Data = new Dictionary <string, string>()
};
var opfl = new OpenFileDialog
{
Filter = "Metadata File|*.meta",
};
var dlg = opfl.ShowDialog();
if (dlg.HasValue && !dlg.Value)
{
return(result);
}
var dataFile = opfl.FileName;
BusyText = busySavingTheme;
try
{
using (var fs = File.OpenText(dataFile))
{
while (!fs.EndOfStream)
{
string s = fs.ReadLine();
if (s.StartsWith(";"))
{
continue;
}
var kv = s.Split(':');
result.Data.Add(kv[0].Trim(), kv[1].Trim());
}
}
result.Loaded = true;
}
catch
{
//...
}
return(result);
},
TaskCreationOptions.LongRunning);
task.Start();
return(task);
}
private void ImportMetadata_PostExecute(LoadMetadataResults r)
{
ViewModel.Rules.Pause();
ViewModel.SetMetadata(r.Data);
ViewModel.Rules.Apply(ViewModel.Flags);
ViewModel.Rules.Apply(ViewModel.Colors);
ViewModel.Rules.Resume();
IsBusy = false;
}