private async Task SaveData()
{
StorageFile file = await FilePickerAdapters.ShowSaveFilePicker("ColorData", ".json", new Tuple <string, IList <string> >[] { new Tuple <string, IList <string> >("JSON", new List <string>()
{
".json"
}) }, null, Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary, true, true);
if (file == null)
{
return;
}
CachedFileManager.DeferUpdates(file);
Preset savePreset = new Preset(file.Path, file.DisplayName, _paletteModel);
var saveData = Preset.Serialize(savePreset);
var saveString = saveData.Stringify();
await FileIO.WriteTextAsync(file, saveString);
FileUpdateStatus status = await CachedFileManager.CompleteUpdatesAsync(file);
if (status == FileUpdateStatus.Complete)
{
_paletteModel.AddOrReplacePreset(savePreset);
_paletteModel.ApplyPreset(savePreset);
}
else
{
if (file == null || file.Path == null)
{
return;
}
var message = string.Format(_stringProvider.GetString("ControlPaletteSaveError"), file.Path);
ContentDialog saveFailedDialog = new ContentDialog()
{
CloseButtonText = _stringProvider.GetString("ControlPaletteErrorOkButtonCaption"),
Title = _stringProvider.GetString("ControlPaletteSaveErrorTitle"),
Content = message
};
_ = saveFailedDialog.ShowAsync();
return;
}
}
private async Task LoadData()
{
StorageFile file = await FilePickerAdapters.ShowLoadFilePicker(new string[] { ".json" }, Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary, Windows.Storage.Pickers.PickerViewMode.List, true, true);
if (file == null)
{
return;
}
string dataString = await FileIO.ReadTextAsync(file);
JsonObject rootObject = JsonObject.Parse(dataString);
Preset loadedPreset = null;
try
{
loadedPreset = Preset.Parse(rootObject, file.Path, file.DisplayName);
}
catch
{
loadedPreset = null;
}
if (loadedPreset == null)
{
if (file == null || file.Path == null)
{
return;
}
var message = string.Format(_stringProvider.GetString("ControlPaletteLoadError"), file.Path);
ContentDialog loadFailedDialog = new ContentDialog()
{
CloseButtonText = _stringProvider.GetString("ControlPaletteErrorOkButtonCaption"),
Title = _stringProvider.GetString("ControlPaletteLoadErrorTitle"),
Content = message
};
_ = loadFailedDialog.ShowAsync();
return;
}
_paletteModel.AddOrReplacePreset(loadedPreset);
_paletteModel.ApplyPreset(loadedPreset);
}
