public void button_ConfirmIngredients_Click(object sender, RoutedEventArgs e)
{
currentRecipe = new Recipe();
bool abortCalculation = false, validIngredient = false, servingsSpecified = true, measuredByVolume = false;
double portion, ingrQtyVal = 0; // portion represents how much the ingredient used is compared to one serving size of that ingredient
double n_servingsMade = 0;
if (textBox_NumberServingsMade.Text == "")
{
servingsSpecified = false;
}
else
{
try
{
n_servingsMade = Double.Parse(textBox_NumberServingsMade.Text);
if (n_servingsMade <= 0)
{
abortCalculation = true;
MessageBox.Show("A number <= 0 was detected.");
}
}
catch
{
MessageBox.Show("Alpha input detected for number of servings.");
abortCalculation = true;
}
}
double totalCalories = 0, totalFat = 0, totalSatFat = 0, totalTransFat = 0, totalCholesterol = 0,
totalSodium = 0, totalCarbs = 0, totalFiber = 0, totalSugar = 0, totalProtein = 0, totalPrice = 0;
// add nutrition from each ingredient entered
foreach (Grid g in recipeIngredientList)
{
if (abortCalculation == false) // an ingredient containing invalid fields has not been found yet
{
UIElementCollection gridChildren = g.Children;
TextBox ingrQty = (TextBox)gridChildren[0];
ComboBox ingrMsr = (ComboBox)gridChildren[1];
ComboBox ingrIngredient = (ComboBox)gridChildren[3];
if (ingrQty.Text == "" && ingrMsr.Text == "" && ingrIngredient.Text == "")
{
// skip adding this ingredient since it was left blank but do not abort
}
else if (ingrQty.Text == "" || ingrMsr.Text == "" || ingrIngredient.Text == "")
{
// not all fields were left blank so user forgot a field, abort the calculation and show message
abortCalculation = true;
String msg = "An empty field was detected for an ingredient. Either\n"
+ "occupy all fields or leave them all blank.";
MessageBox.Show(msg);
}
else
{
// all fields were entered for the ingredient, now check if they are valid
try
{
ingrQtyVal = Double.Parse(ingrQty.Text);
if (ingrQtyVal <= 0)
{
abortCalculation = true;
MessageBox.Show("A number <= 0 was detected.");
}
}
catch (Exception)
{
abortCalculation = true;
MessageBox.Show("Alpha input detected for number of servings.");
}
String ingrMsr_AsString = ingrMsr.Text;
Ingredient ingredient = (Ingredient)ingrIngredient.SelectedItem;
if (ingrMsr_AsString == "oz" || ingrMsr_AsString == "mg" || ingrMsr_AsString == "g" || ingrMsr_AsString == "kg")
{
measuredByVolume = false;
}
else
{
measuredByVolume = true;
}
if (measuredByVolume != ingredient.measuredByVolume)
{
String msg = "Invalid Measurement Type Conversion\n\n";
msg += "Recipe calls for " + ingrQty.Text + " " + ingrMsr.Text + " of " + ingredient.ToString() +
" but " + ingredient.ToString() + " is currently only known to be measured by " + ingredient.ServingMsr + ".\n";
msg += "Cannot convert a ";
if (measuredByVolume == true)
{
msg += "volume";
}
else
{
msg += "mass";
}
msg += " measurement to a ";
if (ingredient.measuredByVolume == true)
{
msg += "volume";
}
else
{
msg += "mass";
}
msg += " measurement.";
MessageBox.Show(msg);
abortCalculation = true;
}
// All fields have been gathered and tested for validity, calculate if we can
if (abortCalculation == false)
{
validIngredient = true; // atleast one ingredient was valid
portion = GetPortionSize(ingrQtyVal, ingrMsr_AsString, ingredient);
totalCalories += ingredient.Calories * portion;
totalFat += ingredient.Fat * portion;
totalSatFat += ingredient.SatFat * portion;
totalTransFat += ingredient.TransFat * portion;
totalCholesterol += ingredient.Cholesterol * portion;
totalSodium += ingredient.Sodium * portion;
totalCarbs += ingredient.Carbs * portion;
totalFiber += ingredient.Fiber * portion;
totalSugar += ingredient.Sugar * portion;
totalProtein += ingredient.Protein * portion;
double pricePerServing = ingredient.Price / ingredient.ServingPerContainer;
totalPrice += pricePerServing * portion;
// now add the ingredient to the recipe
RecipeIngredient rIngredient = new RecipeIngredient(ingrQtyVal, ingrMsr_AsString, ingredient);
currentRecipe.ingredients.Add(rIngredient);
}
}
}
}
label_ServingCalories.Content = "-";
label_ServingFat.Content = "-";
label_ServingSatFat.Content = "-";
label_ServingTransFat.Content = "-";
label_ServingCholesterol.Content = "-";
label_ServingSodium.Content = "-";
label_ServingCarbs.Content = "-";
label_ServingFiber.Content = "-";
label_ServingSugar.Content = "-";
label_ServingProtein.Content = "-";
label_ServingPrice.Content = "-";
label_RecipeCalories.Content = "-";
label_RecipeFat.Content = "-";
label_RecipeSatFat.Content = "-";
label_RecipeTransFat.Content = "-";
label_RecipeCholesterol.Content = "-";
label_RecipeSodium.Content = "-";
label_RecipeCarbs.Content = "-";
label_RecipeFiber.Content = "-";
label_RecipeSugar.Content = "-";
label_RecipeProtein.Content = "-";
label_RecipePrice.Content = "-";
textBox_RecipeName.Text = "Add a Recipe Name (Click me)";
textBox_RecipeIngredients.Text = "Ingredients will be added here";
textBox_RecipeDirections.Text = "Add directions here.";
textBox_RecipeNotes.Text = "Add notes here.";
if (validIngredient && abortCalculation == false)
{
// update nutrition facts label to hold the values
label_RecipeCalories.Content = String.Format("{0:0.#}", totalCalories);
label_RecipeFat.Content = String.Format("{0:0.#}", totalFat);
label_RecipeSatFat.Content = String.Format("{0:0.#}", totalSatFat);
label_RecipeTransFat.Content = String.Format("{0:0.#}", totalTransFat);
label_RecipeCholesterol.Content = String.Format("{0:0.#}", totalCholesterol);
label_RecipeSodium.Content = String.Format("{0:0.#}", totalSodium);
label_RecipeCarbs.Content = String.Format("{0:0.#}", totalCarbs);
label_RecipeFiber.Content = String.Format("{0:0.#}", totalFiber);
label_RecipeSugar.Content = String.Format("{0:0.#}", totalSugar);
label_RecipeProtein.Content = String.Format("{0:0.#}", totalProtein);
label_RecipePrice.Content = "$" + String.Format("{0:0.00}", totalPrice);
if (servingsSpecified == true) // user did specify how many servings the recipe made (and it is > 0)
{
label_ServingCalories.Content = String.Format("{0:0.#}", totalCalories / n_servingsMade);
label_ServingFat.Content = String.Format("{0:0.#}", totalFat / n_servingsMade);
label_ServingSatFat.Content = String.Format("{0:0.#}", totalSatFat / n_servingsMade);
label_ServingTransFat.Content = String.Format("{0:0.#}", totalTransFat / n_servingsMade);
label_ServingCholesterol.Content = String.Format("{0:0.#}", totalCholesterol / n_servingsMade);
label_ServingSodium.Content = String.Format("{0:0.#}", totalSodium / n_servingsMade);
label_ServingCarbs.Content = String.Format("{0:0.#}", totalCarbs / n_servingsMade);
label_ServingFiber.Content = String.Format("{0:0.#}", totalFiber / n_servingsMade);
label_ServingSugar.Content = String.Format("{0:0.#}", totalSugar / n_servingsMade);
label_ServingProtein.Content = String.Format("{0:0.#}", totalProtein / n_servingsMade);
label_ServingPrice.Content = "$" + String.Format("{0:0.00}", totalPrice / n_servingsMade);
}
else // user did not specify a number of servings so just show them the recipe amount automatically
{
if (displayingNutrition == true)
{
// execute TogglePerRecipe_MouseDown event
if (displayingPerServing == true)
{
// want to show per recipe
displayingPerServing = false;
label_TogglePerServing.Opacity = 0.6;
label_TogglePerRecipe.Opacity = 1;
stackPanel_NutritionLabelPerServing.Visibility = Visibility.Collapsed;
stackPanel_NutritionLabelPerRecipe.Visibility = Visibility.Visible;
}
}
}
// update recipe panel
String text = "";
foreach (RecipeIngredient rIngredient in currentRecipe.ingredients)
{
text += " - " + rIngredient.Quantity.ToString() + " " + rIngredient.MeasureType + " " + rIngredient.Ingredient.ToString() + "\n";
}
textBox_RecipeIngredients.Text = text.Substring(0, text.Length - 1); // remove last \n
if (servingsSpecified)
{
textBox_RecipeNotes.Text = "Makes " + n_servingsMade.ToString() + " servings.";
currentRecipe.Notes = "Makes " + n_servingsMade.ToString() + " servings.";
}
}
else
{
currentRecipe = new Recipe();
}
}
private double GetPortionSize(double ingrQty, String ingrMsr, Ingredient ingredient)
{
bool measuredByVolume = false;
double amt_InGrams = 0, amt_InCups = 0;
double ratio = 0, conversionFactor = 0;
if (ingrMsr == "oz" || ingrMsr == "mg" || ingrMsr == "g" || ingrMsr == "kg")
{
measuredByVolume = false;
}
else
{
measuredByVolume = true;
}
if (measuredByVolume == true)
{
switch (ingrMsr) // get the conversion factor for converting the type to cups (for example, 16 tbsp = 1 cup)
{
case "tsp.":
conversionFactor = 48;
break;
case "tbsp.":
conversionFactor = 16;
break;
case "fl oz":
conversionFactor = 8;
break;
case "cup":
conversionFactor = 1;
break;
case "pint":
conversionFactor = 0.5;
break;
case "quart":
conversionFactor = 0.25;
break;
case "gallon":
conversionFactor = 0.0625;
break;
case "ml":
conversionFactor = 236.588237;
break;
case "liter":
conversionFactor = 0.23658824;
break;
}
amt_InCups = ingrQty / conversionFactor;
ratio = amt_InCups / ingredient.ServingQty_True;
}
else // measured by mass
{
switch (ingrMsr) // get conversion factor for the type to grams
{
case "oz":
conversionFactor = 0.03527396;
break;
case "mg":
conversionFactor = 1000;
break;
case "g":
conversionFactor = 1;
break;
case "kg":
conversionFactor = 0.001;
break;
}
amt_InGrams = ingrQty / conversionFactor;
ratio = amt_InGrams / ingredient.ServingQty_True;
}
return(ratio);
}
private void menuItem_LoadFromCSV_Click(object sender, RoutedEventArgs e)
{
StreamReader stream = null;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = "c:\\";
openFileDialog.Filter = "CSV files (*.csv)|*.csv";
openFileDialog.RestoreDirectory = true;
Nullable <bool> result = openFileDialog.ShowDialog();
if (result == true)
{
String fileName = openFileDialog.FileName;
List <Ingredient> list = new List <Ingredient>();
list.Add(new Ingredient());
try
{
stream = new StreamReader(fileName);
int currentLine = 1; // use non-zero based indexing when reporting errors
String text = "";
while (stream.Peek() > -1) // while there is another line in the csv file
{
text = stream.ReadLine();
String[] subStrings = text.Split(',');
// there are 15 total columns for each ingredient
if (subStrings.Length == 15)
{
String Name = "", ServingMsr = "";
double ServingQty = 0, ServingPerContainer = 0, Calories = 0, Fat = 0, SatFat = 0, TransFat = 0, Cholesterol = 0,
Sodium = 0, Carbs = 0, Fiber = 0, Sugar = 0, Protein = 0, Price = 0;
Name = subStrings[0];
ServingQty = Double.Parse(subStrings[1]);
ServingMsr = subStrings[2];
ServingPerContainer = Double.Parse(subStrings[3]);
Calories = Double.Parse(subStrings[4]);
Fat = Double.Parse(subStrings[5]);
SatFat = Double.Parse(subStrings[6]);
TransFat = Double.Parse(subStrings[7]);
Cholesterol = Double.Parse(subStrings[8]);
Sodium = Double.Parse(subStrings[9]);
Carbs = Double.Parse(subStrings[10]);
Fiber = Double.Parse(subStrings[11]);
Sugar = Double.Parse(subStrings[12]);
Protein = Double.Parse(subStrings[13]);
Price = Double.Parse(subStrings[14]);
if (Name.Length == 0 || ServingQty < 0 || (ServingMsr != "tsp." && ServingMsr != "tbsp." && ServingMsr != "fl oz" && ServingMsr != "cup" && ServingMsr != "pint" && ServingMsr != "quart" && ServingMsr != "gallon" && ServingMsr != "ml" && ServingMsr != "liter" && ServingMsr != "oz" && ServingMsr != "mg" && ServingMsr != "g" && ServingMsr != "kg") || ServingPerContainer < 0 || Calories < 0 || Fat < 0 || SatFat < 0 ||
TransFat < 0 || Cholesterol < 0 || Sodium < 0 || Carbs < 0 || Fiber < 0 || Sugar < 0 || Protein < 0 || Price < 0)
{
MessageBox.Show("Either a field was empty, Serving Measurement Type was invalid, or a field contained a negative number");
throw new Exception();
}
Ingredient i = new Ingredient(Name, ServingQty, ServingMsr, ServingPerContainer, Calories, Fat, SatFat,
TransFat, Cholesterol, Sodium, Carbs, Fiber, Sugar, Protein, Price);
list.Add(i);
}
else
{
MessageBox.Show("The ingredient on line " + currentLine + " does not contain 15 values.");
throw new Exception();
}
currentLine++;
}
stream.Close();
// make ingredientDatabaseList point to the newly loaded in list
ingredientDatabaseList = list;
RefreshIngredientDropdowns();
}
catch
{
MessageBox.Show("Error in loading from CSV. CSV file is formatted improperly.");
}
}
}
private void button_SaveChanges_Click(object sender, RoutedEventArgs e)
{
bool emptyField = false, invalidField = false;
String Name = "", ServingMsr = "";
double ServingQty = 0, ServingPerContainer = 0, Calories = 0, Fat = 0, SatFat = 0, TransFat = 0, Cholesterol = 0,
Sodium = 0, Carbs = 0, Fiber = 0, Sugar = 0, Protein = 0, Price = 0;
if (textBox_Name.Text != "")
{
Name = textBox_Name.Text;
}
else
{
emptyField = true;
}
if (textBox_ServingQty.Text != "")
{
try
{
ServingQty = Double.Parse(textBox_ServingQty.Text);
if (ServingQty <= 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (comboBox_ServingMsr.Text != "")
{
ServingMsr = comboBox_ServingMsr.Text;
}
else
{
emptyField = true;
}
if (textBox_ServingPerContainer.Text != "")
{
try
{
ServingPerContainer = Double.Parse(textBox_ServingPerContainer.Text);
if (ServingPerContainer <= 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Calories.Text != "")
{
try
{
Calories = Double.Parse(textBox_Calories.Text);
if (Calories < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Fat.Text != "")
{
try
{
Fat = Double.Parse(textBox_Fat.Text);
if (Fat < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_SatFat.Text != "")
{
try
{
SatFat = Double.Parse(textBox_SatFat.Text);
if (SatFat < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_TransFat.Text != "")
{
try
{
TransFat = Double.Parse(textBox_TransFat.Text);
if (TransFat < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Cholesterol.Text != "")
{
try
{
Cholesterol = Double.Parse(textBox_Cholesterol.Text);
if (Cholesterol < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Sodium.Text != "")
{
try
{
Sodium = Double.Parse(textBox_Sodium.Text);
if (Sodium < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Carbs.Text != "")
{
try
{
Carbs = Double.Parse(textBox_Carbs.Text);
if (Carbs < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Fiber.Text != "")
{
try
{
Fiber = Double.Parse(textBox_Fiber.Text);
if (Fiber < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Sugar.Text != "")
{
try
{
Sugar = Double.Parse(textBox_Sugar.Text);
if (Sugar < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Protein.Text != "")
{
try
{
Protein = Double.Parse(textBox_Protein.Text);
if (Protein < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (textBox_Price.Text != "")
{
try
{
Price = Double.Parse(textBox_Price.Text);
if (Price < 0)
{
invalidField = true;
}
}
catch (Exception)
{
invalidField = true;
}
}
else
{
emptyField = true;
}
if (emptyField == true)
{
MessageBox.Show("At least one of the fields was left empty!\nPlease ensure all fields are occupied.");
ingredient = null;
}
else if (invalidField == true)
{
MessageBox.Show("Alpha input or a negative number was detected!\nPlease enter only positive numbers.");
ingredient = null;
}
else
{
ingredient = new Ingredient(Name, ServingQty, ServingMsr, ServingPerContainer, Calories, Fat, SatFat, TransFat,
Cholesterol, Sodium, Carbs, Fiber, Sugar, Protein, Price);
mainWindow.ingredientDatabaseList.Remove(selectedIngredient);
mainWindow.ingredientDatabaseList.Add(ingredient);
mainWindow.ingredientDatabaseList.Sort();
button_ApplySearch_Click(sender, e);
}
}
public RecipeIngredient(double q, String m, Ingredient i)
{
Quantity = q;
MeasureType = m;
Ingredient = i;
}
public RecipeIngredient()
{
Quantity = 0;
MeasureType = "";
Ingredient = new Ingredient();
}
private void button_Cancel_Click(object sender, RoutedEventArgs e)
{
ingredient = null;
this.Close();
}