it.polimi.dima.mediatracker.adapters.drawer

Class DrawerAdapter

java.lang.Object

android.support.v7.widget.RecyclerView.Adapter<DrawerAdapter.ViewHolder>

it.polimi.dima.mediatracker.adapters.drawer.DrawerAdapter

public class DrawerAdapter
extends android.support.v7.widget.RecyclerView.Adapter<DrawerAdapter.ViewHolder>

Adapter for the navigation drawer listener, allows to have "elements" (main drawer options) and "sub-elements" (options that are shown under the corresponding element if the user selects it)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	DrawerAdapter.DrawerListener Listener for drawer elements clicks
static class	DrawerAdapter.ViewHolder ViewHolder pattern

Field Summary

Fields

Modifier and Type	Field and Description
static int	ELEMENT_TYPE
static int	SUB_ELEMENT_TYPE

Constructor Summary

Constructors

Constructor and Description
DrawerAdapter(Context context, java.util.List<DrawerElement> drawerElements, int firstSelectedElement, int firstSelectedSubElement, DrawerAdapter.DrawerListener drawerListener) Constructor

Method Summary

Modifier and Type	Method and Description
int	getItemCount() Getter
int	getItemViewType(int position)
void	onBindViewHolder(DrawerAdapter.ViewHolder viewHolder, int position)
DrawerAdapter.ViewHolder	onCreateViewHolder(ViewGroup parent, int viewType)

Methods inherited from class android.support.v7.widget.RecyclerView.Adapter

bindViewHolder, createViewHolder, getItemId, 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

Field Detail

ELEMENT_TYPE

public static final int ELEMENT_TYPE

See Also:

Constant Field Values

SUB_ELEMENT_TYPE

public static final int SUB_ELEMENT_TYPE

See Also:

Constant Field Values

Constructor Detail

DrawerAdapter

public DrawerAdapter(Context context,
                     java.util.List<DrawerElement> drawerElements,
                     int firstSelectedElement,
                     int firstSelectedSubElement,
                     DrawerAdapter.DrawerListener drawerListener)

Constructor

Parameters:

context - the context

drawerElements - all the drawer elements, possibly with sub-elements

firstSelectedElement - the index of the first selected element

firstSelectedSubElement - the index of the first selected sub-element (-1 if none)

drawerListener - the drawer listener implementation to receive the callbacks

Method Detail

onCreateViewHolder

public DrawerAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
                                                   int viewType)

Specified by:

onCreateViewHolder in class android.support.v7.widget.RecyclerView.Adapter<DrawerAdapter.ViewHolder>

onBindViewHolder

public void onBindViewHolder(DrawerAdapter.ViewHolder viewHolder,
                             int position)

Specified by:

onBindViewHolder in class android.support.v7.widget.RecyclerView.Adapter<DrawerAdapter.ViewHolder>

getItemCount

public int getItemCount()

Getter

Specified by:

getItemCount in class android.support.v7.widget.RecyclerView.Adapter<DrawerAdapter.ViewHolder>

Returns:

size is all elements + all sub-elements of the current element (if any)

getItemViewType

public int getItemViewType(int position)

Overrides:

getItemViewType in class android.support.v7.widget.RecyclerView.Adapter<DrawerAdapter.ViewHolder>