com.moppyandroid.main

Class MidiSpinnerAdapter

java.lang.Object

android.widget.BaseAdapter

android.widget.ArrayAdapter<MidiPortInfoWrapper>

com.moppyandroid.main.MidiSpinnerAdapter

All Implemented Interfaces:

Adapter, Filterable, ListAdapter, SpinnerAdapter, ThemedSpinnerAdapter

public class MidiSpinnerAdapter
extends ArrayAdapter<MidiPortInfoWrapper>

List<MidiPortInfoWrapper> adapter for a Spinner that displays the name of each port as a list entry.

Field Summary

Fields inherited from interface android.widget.Adapter

IGNORE_ITEM_VIEW_TYPE, NO_SELECTION

Method Summary

Modifier and Type	Method and Description
void	addDevice(MidiDeviceInfo deviceInfo) Adds the relevant ports ports of a MidiDeviceInfo to the dataset if they are not already there.
boolean	containsDevice(MidiDeviceInfo deviceInfo) Checks whether any ports with a specific parent MidiDeviceInfo are present.
View	getDropDownView(int position, View convertView, ViewGroup parent) Triggered when a dropdown entry is created.
int	getIndexOf(MidiPortInfoWrapper portInfo) Gets the index of the first entry for the specified MidiPortInfoWrapper.
View	getView(int position, View convertView, ViewGroup parent) Triggered when an entry is created.
static MidiSpinnerAdapter	newInstance(Context context, List<MidiDeviceInfo> infos, boolean selectInputs, boolean selectOutputs) Constructs a new MidiSpinnerAdapter.
void	removeDevice(MidiDeviceInfo deviceInfo) Removes all ports with a specific parent MidiDeviceInfo from the dataset.

Methods inherited from class android.widget.ArrayAdapter

add, addAll, addAll, clear, createFromResource, getAutofillOptions, getContext, getCount, getDropDownViewTheme, getFilter, getItem, getItemId, getPosition, insert, notifyDataSetChanged, remove, setDropDownViewResource, setDropDownViewTheme, setNotifyOnChange, sort

Methods inherited from class android.widget.BaseAdapter

areAllItemsEnabled, getItemViewType, getViewTypeCount, hasStableIds, isEmpty, isEnabled, notifyDataSetInvalidated, registerDataSetObserver, setAutofillOptions, unregisterDataSetObserver

Methods inherited from class java.lang.Object

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

Methods inherited from interface android.widget.Adapter

getItemViewType, getViewTypeCount, hasStableIds, isEmpty, registerDataSetObserver, unregisterDataSetObserver

Method Detail

newInstance

public static MidiSpinnerAdapter newInstance(Context context,
                                             List<MidiDeviceInfo> infos,
                                             boolean selectInputs,
                                             boolean selectOutputs)

Constructs a new MidiSpinnerAdapter.

Parameters:

context - the context to create the MidiSpinnerAdapter in

infos - the List of MidiPortInfoWrappers to display

selectInputs - set to true if input ports should appear in the list, false if not

selectOutputs - set to true if output ports should appear in the list, false if not

Returns:

the newly constructed MidiSpinnerAdapter

getView

@NonNull
public View getView(int position,
                              @Nullable
                              View convertView,
                              @NonNull
                              ViewGroup parent)

Triggered when an entry is created.

Specified by:

getView in interface Adapter

Overrides:

getView in class ArrayAdapter<MidiPortInfoWrapper>

getDropDownView

public View getDropDownView(int position,
                            @Nullable
                            View convertView,
                            @NonNull
                            ViewGroup parent)

Triggered when a dropdown entry is created.

Specified by:

getDropDownView in interface SpinnerAdapter

Overrides:

getDropDownView in class ArrayAdapter<MidiPortInfoWrapper>

getIndexOf

public int getIndexOf(MidiPortInfoWrapper portInfo)

Gets the index of the first entry for the specified MidiPortInfoWrapper.

Parameters:

portInfo - the port to look for

Returns:

-1 if not found, otherwise the index

addDevice

public void addDevice(MidiDeviceInfo deviceInfo)

Adds the relevant ports ports of a MidiDeviceInfo to the dataset if they are not already there.

Parameters:

deviceInfo - the parent of the ports to add

removeDevice

public void removeDevice(MidiDeviceInfo deviceInfo)

Removes all ports with a specific parent MidiDeviceInfo from the dataset.

Parameters:

deviceInfo - the parent whose children ports should be removed

containsDevice

public boolean containsDevice(MidiDeviceInfo deviceInfo)

Checks whether any ports with a specific parent MidiDeviceInfo are present.

Parameters:

deviceInfo - the parent to look for

Returns:

true if child ports of parent are found, otherwise false