com.semartinez.projects.choppit.view

Class IngredientRecyclerAdapter

java.lang.Object

androidx.recyclerview.widget.RecyclerView.Adapter<RecyclerView.ViewHolder>

com.semartinez.projects.choppit.view.IngredientRecyclerAdapter

public class IngredientRecyclerAdapter
extends RecyclerView.Adapter<RecyclerView.ViewHolder>

Provides bindings for a list of Ingredients to be displayed in either the EditingFragment or RecipeFragment.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	IngredientRecyclerAdapter.EditIngredientViewHolder The ViewHolder class attaches Ingredient fields to UI components.
class	IngredientRecyclerAdapter.RecipeIngredientViewHolder The ViewHolder class attaches Ingredient fields to UI components.

Constructor Summary

Constructors

Constructor and Description
IngredientRecyclerAdapter(Context context, Recipe recipe, Fragment uiFragment) Handles Data Binding for a list of Ingredients passed by the active Fragment while displaying a Recipe.

Method Summary

Modifier and Type	Method and Description
void	addIngredient() Allows the user to add a new Ingredient.
void	deleteIngredient(int position) Allows the user to delete a single Ingredient.
int	getItemCount()
void	onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) Attaches each Ingredient to a ViewHolder.
RecyclerView.ViewHolder	onCreateViewHolder(ViewGroup parent, int viewType)

Methods inherited from class androidx.recyclerview.widget.RecyclerView.Adapter

bindViewHolder, createViewHolder, getItemId, getItemViewType, hasObservers, hasStableIds, notifyDataSetChanged, notifyItemChanged, notifyItemChanged, notifyItemInserted, notifyItemMoved, notifyItemRangeChanged, notifyItemRangeChanged, notifyItemRangeInserted, notifyItemRangeRemoved, notifyItemRemoved, onAttachedToRecyclerView, onBindViewHolder, onDetachedFromRecyclerView, onFailedToRecycleView, onViewAttachedToWindow, onViewDetachedFromWindow, onViewRecycled, registerAdapterDataObserver, setHasStableIds, unregisterAdapterDataObserver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IngredientRecyclerAdapter

public IngredientRecyclerAdapter(Context context,
                                 Recipe recipe,
                                 Fragment uiFragment)

Handles Data Binding for a list of Ingredients passed by the active Fragment while displaying a Recipe.

Parameters:

context - the Context where the adapter operates

recipe - is received from the active Fragment.

uiFragment - is the active Fragment when this Adapter is being used.

Method Detail

onCreateViewHolder

@NonNull
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull
                                                            ViewGroup parent,
                                                            int viewType)

Specified by:

onCreateViewHolder in class RecyclerView.Adapter<RecyclerView.ViewHolder>

Parameters:

parent - where the new ViewHolder will be added.

viewType - is not used in this override.

Returns:

a ViewHolder for each item to be displayed based on the active Fragment.

onBindViewHolder

public void onBindViewHolder(@NonNull
                             RecyclerView.ViewHolder viewHolder,
                             int position)

Attaches each Ingredient to a ViewHolder.

Specified by:

onBindViewHolder in class RecyclerView.Adapter<RecyclerView.ViewHolder>

Parameters:

viewHolder - generated by onCreateViewHolder(ViewGroup, int)

position - the position of the Ingredient being added.

getItemCount

public int getItemCount()

Specified by:

getItemCount in class RecyclerView.Adapter<RecyclerView.ViewHolder>

Returns:

the number of Ingredients.

addIngredient

public void addIngredient()

Allows the user to add a new Ingredient.

deleteIngredient

public void deleteIngredient(int position)

Allows the user to delete a single Ingredient.

Parameters:

position - the adapter position of the Ingredient to be deleted.