private void b_addFoodDialogAccept_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrWhiteSpace(tb_newFoodTextBox.Text))
{
lb_searchResults.ItemsSource = null;
return;
}
var newFood = new Model.Food();
newFood.name = tb_newFoodTextBox.Text;
newFood.nutritionValuesString = temporaryNutritionValuesString;
if (temporaryFood != null)
{
newFood.calories = APIRootObjectToNutritionValuesStringConverter.extractCaloriesFromAPIRootObject(temporaryFood);
}
else
{
newFood.calories = 0;
}
App._vmData.foodList.Add(newFood);
temporaryNutritionValuesString = "";
temporaryFood = null;
FoodCalculation.calculateFood();
}
private void lb_searchResults_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lb_searchResults.SelectedItem == null)
{
return;
}
dontUpdate = true;
pb_AddFoodLoadingBar.Visibility = Visibility.Visible;
exp_temporaryNutritionValuesExpander.Visibility = Visibility.Visible;
tb_newFoodTextBox.Text = lb_searchResults.SelectedItem.ToString(); //check if this gets fired from here
//Wait for UI Thread to display Loading Bar
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, new Action(() => { })).Wait();
BackgroundWorker bw = new BackgroundWorker();
// what to do in the background thread
bw.DoWork += new DoWorkEventHandler(
delegate(object o, DoWorkEventArgs args)
{
BackgroundWorker b = o as BackgroundWorker;
//Set the result and do the API Request
args.Result = RequestFoodData.getNutritionValuesForSpecificFoodItemCommon(args.Argument as string);
});
// what to do when worker completes its task (notify the user)
bw.RunWorkerCompleted += new RunWorkerCompletedEventHandler(
delegate(object o, RunWorkerCompletedEventArgs args)
{
temporaryFood = args.Result as APIRootObject;
temporaryNutritionValuesString = APIRootObjectToNutritionValuesStringConverter.createStringFromAPIRootObject(temporaryFood);
tb_temporaryNutritionValuesTextBox.Text = temporaryNutritionValuesString;
pb_AddFoodLoadingBar.Visibility = Visibility.Hidden;
dontUpdate = false;
});
var searchString = tb_newFoodTextBox.Text;
bw.RunWorkerAsync(searchString);
}
