protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
int index = -1;
if (e.Parameter == null)
{
recipes = App.recipes;
int numRecipes = recipes.getRecipeList().Count;
if (numRecipes > 0)
{
index = 0;
}
}
else
{
recipes = (RecipeList)e.Parameter;
index = recipes.getSelectedIndex();
}
this.recipeListView.ItemsSource = recipes.Recipes;
if (index < 0)
{
detailFrame.Visibility = Visibility.Collapsed;
}
recipeListView.SelectedIndex = index;
updateLayoutFromState(AdaptiveStates.CurrentState, null);
Debug.WriteLine(index);
showDetailView(index);
}
private void showDetailView(object sender, ItemClickEventArgs e)
{
Recipe r = (Recipe)e.ClickedItem;
int itemIndex = 0;
if (r != null)
{
itemIndex = recipes.getRecipeList().IndexOf(r);
}
showDetailView(itemIndex);
}
private async void tryDeleteRecipe(Recipe recipeToDelete)
{
ContentDialog deleteConfirmationDialog = new ContentDialog
{
Title = "Permenantly delete recipe?",
Content = "If you delete this recipe, you won't be" +
" able to recover it. Are you Sure you want to delete" +
" it?",
PrimaryButtonText = "Delete",
CloseButtonText = "Cancel"
};
ContentDialogResult result = await deleteConfirmationDialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
int deleteIndex = recipes.getRecipeList().IndexOf(recipeToDelete);
if (deleteIndex > 0)
{
// deleting recipe somewhere other than beginning
// select the recipe before it
recipes.SelectedIndex = deleteIndex - 1;
}
else if (deleteIndex == 0)
{
// deleting recipe at the beginning
// select the same index
recipes.SelectedIndex = 0;
}
recipes.removeRecipe(recipeToDelete);
if (isNarrow())
{
Frame.GoBack();
}
else
{
if (recipes.Recipes.Count == 0)
{
// hide this column
detailSectionGrid.Visibility = Visibility.Collapsed;
}
selectedRecipe = recipes.getSelected();
detailSection.SelectedItem = detailSection.MenuItems[0];
contentFrame.Navigate(typeof(DetailPage), selectedRecipe);
}
}
}