public object Convert(object value, Type type, object parameter, string language)
{
string result = "";
if (value != null)
{
StringBuilder gridText = new StringBuilder();
Dictionary<float, float> mealItemIDs = (Dictionary<float, float>)value;
MealItemViewModel mealItem = new MealItemViewModel();
int loopCount = 0;
foreach (var mealItemID in mealItemIDs)
{
mealItem = mealItem.GetMealItemById((int)mealItemID.Key);
if (mealItem != null)
{
if (loopCount < mealItemIDs.Count - 1)
gridText.Append(mealItem.Name).Append(", ");
else
gridText.Append(mealItem.Name);
}
loopCount++;
}
result = gridText.ToString();
}
return result;
}
private string GetIngredientsAsText(IngredientsViewModel ingredientsView,
MealItemViewModel mealItem, Dictionary<float,float> mealItemIDsWithWeight)
{
StringBuilder sb = new StringBuilder();
ObservableCollection<IngredientViewModel> ingredients =
ingredientsView.GetIngredients(mealItem.IngredientIDsWithTotalAmount);
if (ingredients.Count > 0)
{
//sb.Append(@"\b ");
int loopCount = 0;
UnitOfMeasureViewModel unitOfMeasure = new UnitOfMeasureViewModel();
MealItemViewModel defaultMealItem = new MealItemViewModel();
defaultMealItem = defaultMealItem.GetMealItemById(mealItem.Id);
foreach (var ingredient in ingredients)
{
float ingredientDefaultWeight = mealItem.IngredientIDsWithTotalAmount[ingredient.Id];
if (defaultMealItem.TotalAmount == 0) defaultMealItem.TotalAmount = 1;
float ingredientWeight = (ingredientDefaultWeight / defaultMealItem.TotalAmount) * mealItemIDsWithWeight[mealItem.Id];
decimal roundedIngredientWeight = Math.Round((decimal)ingredientWeight, 0);
string uomName = unitOfMeasure.GetUnitOfMeasure(ingredient.UnitOfMeasure).Abbreviation;
sb.Append(roundedIngredientWeight.ToString());
sb.Append(uomName).Append(" ");
sb.Append(ingredient.Name);
if ((ingredients.Count >1) && (loopCount < (ingredients.Count-1)))
{ sb.Append(", "); }
loopCount++;
}
//sb.Append(@"\line\b0");
sb.Append(@"\line");
return sb.ToString();
}
else
return "";
}
private void ResetWeightsInvokedHandler(IUICommand command)
{
if (command.Label == "Ja")
{
float mealItemTotalWeight = 0;
if (NumberOfGuestsTextBox.Text != "")
{
int numberOfGuests = Int32.Parse(NumberOfGuestsTextBox.Text);
MealItemViewModel defaultMealItem = new MealItemViewModel();
foreach (var mealIDAndWeight in _meal.MealItemIDsWithWeight.ToList())
{
defaultMealItem = defaultMealItem.GetMealItemById((int)mealIDAndWeight.Key);
mealItemTotalWeight = defaultMealItem.TotalAmount;
decimal roundedWeight = Math.Round((decimal)(mealItemTotalWeight * numberOfGuests), 0);
_meal.MealItemIDsWithWeight[mealIDAndWeight.Key] = (float)roundedWeight;
}
}
}
}
public string SetDefaultMealItemWeights(IMealViewModel meal)
{
string result = "";
MealItemViewModel mealItem = new MealItemViewModel();
foreach (var mealItemKeyValue in meal.MealItemIDsWithWeight.ToList())
{
mealItem = mealItem.GetMealItemById((int)mealItemKeyValue.Key);
float mealItemWeightDefault = mealItem.TotalAmount;
float totalWeight = mealItemWeightDefault * meal.NumberOfGuests;
meal.MealItemIDsWithWeight[mealItemKeyValue.Key] = totalWeight;
}
return result;
}
