private async void DoModifyRecipe()
{
var modify = new ModifyRecipeViewModel(this);
ViewModelStack.Push(modify);
if (await modify.Completed)
{
var recipe = CreateModifiedRecipe(modify);
var viewModel = new RecipeViewModel(mRecipe.Owner, recipe);
mRecipe.Owner.Items.Add(viewModel);
}
}
private async void DoAddIngredient()
{
var ingredient = new IngredientViewModel(ID.Next, SearchText ?? "<New Ingredient>");
var editor = ingredient.CreateEditor();
ViewModelStack.Push(editor);
if (await editor.Completed)
{
mIngredients.Add(new IngredientItem(ingredient));
IngredientID = ingredient.ID;
}
}
private async void DoEdit()
{
var editor = mCurrentItem.CreateEditor();
ViewModelStack.Push(editor);
var accepted = await editor.Completed;
if (accepted)
{
OnListChanged();
}
}
private async void DoAdd()
{
var item = CreateNew();
var editor = item.CreateEditor();
ViewModelStack.Push(editor);
var accepted = await editor.Completed;
if (accepted)
{
mItems.Add(item);
OnListChanged();
}
}
public SaveFileViewModel(ISaveFileService service)
{
ViewModelStack.Initialize(this);
mService = service;
var data = mService.ReadSaveFile();
Ingredients = new IngredientListViewModel();
foreach (var ingredient in data.Ingredients)
{
Ingredients.Items.Add(new IngredientViewModel(ingredient));
}
Recipes = new RecipeListViewModel(Ingredients);
foreach (var recipe in data.Recipes)
{
Recipes.Items.Add(new RecipeViewModel(Recipes, recipe));
}
mSaveCommand = new DelegateCommand(DoSave);
}
private async void DoReduceRecipe()
{
var reduce = new ReduceRecipeViewModel(this);
ViewModelStack.Push(reduce);
if (await reduce.Completed)
{
foreach (var item in reduce.Items)
{
var ingredient = item.Ingredient;
var measurement = item.SelectedItem as MeasurementFractionItem;
if (measurement == null)
{
continue;
}
ingredient.Amount = new Amount
{
Measurement = measurement.Measurement,
Value = measurement.Amount,
};
}
}
}