public async Task OpenFilePickerSrcAsync()
{
try
{
FileData fileData = await CrossFilePicker.Current.PickFile();
if (fileData == null)
{
return; // user canceled file picking
}
MemoryStream ms = new MemoryStream(fileData.DataArray);
StreamReader reader = new StreamReader(ms, System.Text.Encoding.ASCII);
string line;
byte[] mem = new byte[80];
int index = 0;
while (true)
{
line = reader.ReadLine();
if (line == null)
{
break;
}
try
{
int j = 0;
while ((2 * j < line.Length) &&
(line[2 * j] != ' ') &&
(line[2 * j] != '\t') &&
(index < 80))
{
mem[index++] = byte.Parse(line.Substring(2 * j++, 2), NumberStyles.HexNumber);
}
}
catch
{
Console.WriteLine("Error: unknown line format: {0}", line);
}
}
nPause = PauseDuration.GetSliderTicks(256 * mem[48] + mem[49]);
SetControlsVisibility(mem[41]);
DataBag.SetData(mem);
MessagingCenter.Send(this, "DataChanged", DataBag.GetData());
}
catch (Exception ex)
{
Console.WriteLine("Exception choosing file: " + ex.ToString());
};
return;
}
public void RoastProfileSelChanged()
{
// if changed manually in picker (this function is also called, if we programmatically change RoastProfileSel)m
// we want to remove formerly selected special (id >= 100) entry, so it connot be choosen manually in the picker again
if (RoastProfileSel.isManualChoiceAllowed || // manually template choosen or
(RoastProfileSel.Id != lastSelectedRoastProfile.Id)) // programmatically other special entry choosen
{
if ((lastSelectedRoastProfile?.Id > 100) || (lastSelectedRoastProfile?.Id == 0))
{
RoastProfiles.Remove(lastSelectedRoastProfile);
OnPropertyChanged(nameof(RoastProfiles));
}
}
if (!string.IsNullOrEmpty(RoastProfileSel.Data))
{
// if (manually) template choosen -> load template
byte[] mem = new byte[80];
int index = 16;
string line = RoastProfileSel.Data;
if (string.IsNullOrEmpty(line))
{
return;
}
try
{
int j = 0;
while ((j < line.Length) && (index < 80))
{
if ((line[j] == ' ') || (line[j] == '\t'))
{
j++;
continue;
}
mem[index++] = byte.Parse(line.Substring(j, 2), NumberStyles.HexNumber);
j += 2;
}
}
catch
{
Console.WriteLine("Error: unknown line format: {0}", line);
}
nPause = PauseDuration.GetSliderTicks(256 * mem[48] + mem[49]);
SetControlsVisibility(mem[41], false);
DataBag.SetData(mem);
MessagingCenter.Send(this, "DataChanged", DataBag.GetData());
}
lastSelectedRoastProfile = RoastProfileSel;
}