private async void RecipeCards_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
RecipeItems selectedItem = (e.CurrentSelection.FirstOrDefault() as RecipeItems);
SingleRecipeData selected = new SingleRecipeData(selectedItem);
selected.RecipeImage = await FirebaseHelper.GetImage(selectedItem.RecipeName);
await Navigation.PushModalAsync(new RecipeTabbedViewPage(selected));
selectedItem = null;
}
public void UpdateValues()
{
thisRecipe = (BindingContext as SingleRecipeData);
thisRecipe.UpdateNutrition();
// Update Views
thisTabbedPage.UpdateViews();
ServingView.Text = thisRecipe.NutritionValues.Servings.ToString() + " Servings per Recipe";
CaloriesView.Text = "Calories per Serving : " + thisRecipe.NutritionValues.CaloriesPerServing.ToString();
WeightView.Text = "Approx. Weight per Serving : " + thisRecipe.NutritionValues.WeightPerServing.ToString() + " grams";
TotalWeightView.Text = "Approx. Total Weight of Recipe : " + thisRecipe.NutritionValues.TotalWeight.ToString() + " grams";
}
private void RatingStarButton_Clicked(object sender, EventArgs e)
{
if (RatingFrame.IsVisible == true && RatingEntry.Text != string.Empty)
{
thisRecipe = (BindingContext as SingleRecipeData);
thisRecipe.RatingStars = Convert.ToDouble(RatingEntry.Text);
FirebaseHelper.UpdateRating(thisRecipe);
RatingEntry.Placeholder = RatingEntry.Text;
RatingEntry.Text = string.Empty;
thisTabbedPage.UpdateViews();
}
RatingFrame.IsVisible = !RatingFrame.IsVisible;
}
private void ServingSizeButton_Clicked(object sender, EventArgs e)
{
if (ServingFrame.IsVisible == true && ServingEntry.Text != string.Empty && Convert.ToInt32(ServingEntry.Text) != 0)
{
thisRecipe = (BindingContext as SingleRecipeData);
thisRecipe.NutritionValues.Servings = Convert.ToInt32(ServingEntry.Text);
FirebaseHelper.UpdateNutrition(thisRecipe);
ServingEntry.Placeholder = ServingEntry.Text;
ServingEntry.Text = string.Empty;
UpdateValues();
}
ServingFrame.IsVisible = !ServingFrame.IsVisible;
}
public RecipeTabbedViewPage(SingleRecipeData objectInstance)
{
Shell.SetTabBarIsVisible(this, false);
InitializeComponent();
thisRecipe = objectInstance;
BindingContext = thisRecipe;
recipeDetails.BindingContext = thisRecipe;
recipeDetails.thisNutrition = recipeNutrition;
recipeInstructions.BindingContext = thisRecipe;
recipeInstructions.preSavedRecipe = thisRecipe;
recipeInstructions.InitializeInstructions();
recipeNutrition.BindingContext = thisRecipe;
recipeNutrition.thisTabbedPage = this;
}
private async void ImageButton_Clicked(object sender, EventArgs e)
{
RecipeItems newRecipe = new RecipeItems();
newRecipe.RecipeImage = await FirebaseHelper.GetDefaultImage();
newRecipe.RecipeName = "New Recipe";
newRecipe.RecipeRating = 3;
newRecipe.Instructions.Add(new InstructionItem(1, null));
// End example entry changes
await FirebaseHelper.AddRecipe(newRecipe);
SingleRecipeData selected = new SingleRecipeData(newRecipe);
await Navigation.PushModalAsync(new RecipeTabbedViewPage(selected));
}
private void Entry_TextChanged(object sender, TextChangedEventArgs e)
{
if (calorieCalculator.TextColor == Color.White)
{
calorieEntry.PlaceholderColor = Color.Accent;
calorieCalculator.TextColor = Color.Accent;
}
if (calorieEntry.Text != string.Empty)
{
thisRecipe = (BindingContext as SingleRecipeData);
double caloriesPerGram = (thisRecipe.NutritionValues.TotalCalories / thisRecipe.NutritionValues.TotalWeight);
calorieCalculator.Text = (caloriesPerGram * Convert.ToDouble(calorieEntry.Text)).ToString() + " cal.";
}
// if (calorieCalculator.TextColor != Color.White)
// calorieCalculator.Text = "0 cal.";
}
private void newItemEntry_Completed()
{
if (AddButton.IsVisible)
{
NewItemEntry.IsVisible = false;
thisRecipe = (BindingContext as SingleRecipeData);
RecipeItems currentRecipe = new RecipeItems();
currentRecipe.RecipeName = thisRecipe.RecipeTitle;
currentRecipe.IngredientsList = thisRecipe.Items.ToList();
thisRecipe.Items.Add(singleItem);
thisNutrition.UpdateValues();
FirebaseHelper.UpdateRecipeAdd(currentRecipe, singleItem);
ResetNewItemFrame();
}
else
{
SaveEdit();
}
}
private async void TitleEntry_Completed(object sender, EventArgs e)
{
var recipeNames = await FirebaseHelper.GetRecipeNames();
if (recipeNames.Contains(TitleEntry.Text))
{
await App.Current.MainPage.DisplayAlert("Alert", "This name already exists, please enter a different name.", "Cancel");
RecipeTitleLabel.Text = null;
}
else
{
thisRecipe = (BindingContext as SingleRecipeData);
await FirebaseHelper.UpdateRecipeTitle(TitleEntry.Text, thisRecipe);
RecipeTitleLabel.Text = TitleEntry.Text;
TitleEntry.IsEnabled = false;
TitleEntry.IsVisible = false;
UpdateTitleButton.IsEnabled = true;
thisRecipe.RecipeTitle = TitleEntry.Text;
}
}
private async void DeleteButton_Clicked(object sender, EventArgs e)
{
bool answer = await App.Current.MainPage.DisplayAlert("Notification", "Are you sure you wish to delete this recipe?", "Delete", "Cancel");
thisRecipe = (BindingContext as SingleRecipeData);
if (answer == true)
{
if (await FirebaseHelper.DeleteRecipe(thisRecipe))
{
await FirebaseHelper.DeleteImage(thisRecipe.RecipeTitle);
thisTabbedPage.GoToRecipe();
}
else
{
Debug.WriteLine("Delete Failed");
}
}
else if (answer == false)
{
return;
}
}
private void SaveEdit()
{ //todo Edit in firebase
thisRecipe = (BindingContext as SingleRecipeData);
for (int i = 0; i < thisRecipe.Items.Count; i++)
{
if (selectedItem == thisRecipe.Items.ElementAt(i))
{
thisRecipe.Items.ElementAt(i).Equals(singleItem);
thisNutrition.UpdateValues();
FirebaseHelper.UpdateRecipeEdit(thisRecipe, selectedItem, singleItem);
IngredientsList.SelectedItem = null;
previousItem = null;
selectedItem = null;
EditButton.PlayFrameSegment(44, 63);
EditButton.PlayFrameSegment(63, 2);
ResetNewItemFrame();
EditButtonFrame.IsVisible = false;
AddButton.IsVisible = true;
AddButton.PlayFrameSegment(45, 125);
AddButton.PlayFrameSegment(0, 25);
CurrentFrame = 25;
}
}
}