private HashSet getOpenedPlaylists() {
HashSet<String> myHashSet = new HashSet<>();
for (AbstractSong data : getAllItems()) {
if (data.getClass() == PlaylistData.class && ((PlaylistData) data).isExpanded()) {
myHashSet.add(String.valueOf(data.getId()));
}
}
return myHashSet;
}
public PlaylistData getPlaylistBySong(MusicData song) {
for (AbstractSong playlistData : getAllItems()) {
if (playlistData.getClass() == PlaylistData.class
&& ((PlaylistData) playlistData).getSongs().contains(song)) {
return ((PlaylistData) playlistData);
}
}
return null;
}
public void updatePlaylist() {
ArrayList<AbstractSong> playlists = getPlaylists();
for (AbstractSong playlistData : playlists) {
((PlaylistData) playlistData)
.setSongs(
((PlaylistData) playlistData)
.getSongsFromPlaylist(getContext(), playlistData.getId()));
}
updateAdapter(playlists);
}
public void collapseAll() {
ArrayList<MusicData> music = new ArrayList<>();
ArrayList<AbstractSong> playlists = getAllItems();
for (AbstractSong data : playlists) {
if (data.getClass() == MusicData.class) {
music.add((MusicData) data);
} else {
((PlaylistData) data).setExpanded(false);
}
}
playlists.removeAll(music);
updateAdapter(playlists);
}
private void setOpened() {
ArrayList<AbstractSong> allItems = getAllItems();
HashSet<String> myHashSet =
(HashSet<String>)
MusicApp.getSharedPreferences().getStringSet(PREF_LAST_OPENED, new HashSet<String>());
for (AbstractSong data : getAllItems()) {
if (data.getClass() == PlaylistData.class
&& myHashSet.contains(String.valueOf(data.getId()))) {
if (((PlaylistData) data).getSongs().size() == 0 || ((PlaylistData) data).isExpanded())
continue;
allItems.addAll(allItems.indexOf(data) + 1, ((PlaylistData) data).getSongs());
((PlaylistData) data).setExpanded(true);
}
}
updateAdapter(allItems);
}
@Override
protected void hold(AbstractSong data, int position) {
super.hold(data, position);
if (data.getClass() == PlaylistData.class) {
((ImageView) customGroupIndicator)
.setImageDrawable(
getContext()
.getResources()
.getDrawable(
((PlaylistData) data).isExpanded()
? R.drawable.ic_keyboard_arrow_up_black_18dp
: R.drawable.ic_keyboard_arrow_down_black_18dp));
}
}
protected void showDialog() {
final ArrayList<String> playlistNames = new ArrayList<>();
for (AbstractSong abstractSong : getAllItems()) {
if (abstractSong.getClass() == PlaylistData.class) {
playlistNames.add(((PlaylistData) abstractSong).getName());
}
}
final View dialoglayout =
LayoutInflater.from(getContext()).inflate(R.layout.playlist_create_new_dialog, null);
newPlaylistDialog = new AlertDialog.Builder(getContext());
newPlaylistDialog.setView(dialoglayout);
newPlaylistDialog.setNegativeButton(
R.string.edit_mp3_cancel,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Util.hideKeyboard(getContext(), dialoglayout);
dialog.cancel();
}
});
newPlaylistDialog.setPositiveButton(
R.string.create,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String newTitle =
((EditText) dialoglayout.findViewById(R.id.newPlaylistET))
.getText()
.toString()
.trim();
if (newTitle.isEmpty()) {
showMessage(getContext(), R.string.playlist_cannot_be_empty);
return;
}
for (AbstractSong data : getAllItems()) {
if (data.getClass() == PlaylistData.class
&& ((PlaylistData) data).getName().equals(newTitle)) {
showMessage(getContext(), R.string.playlist_already_exists);
return;
}
}
createPlaylist(getContext().getContentResolver(), newTitle);
Util.hideKeyboard(getContext(), dialoglayout);
dialog.cancel();
}
});
dialog = newPlaylistDialog.create();
dialog.setCancelable(false);
EditText editText = (EditText) dialoglayout.findViewById(R.id.newPlaylistET);
final TextView errorView = (TextView) dialoglayout.findViewById(R.id.errorView);
editText.addTextChangedListener(
new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
@Override
public void afterTextChanged(Editable s) {
if (playlistNames.contains(s.toString().trim())) {
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setEnabled(false);
errorView.setText(R.string.playlist_already_exists);
errorView.setVisibility(View.VISIBLE);
} else {
dialog.getButton(AlertDialog.BUTTON_POSITIVE).setEnabled(true);
errorView.setText("");
errorView.setVisibility(View.GONE);
}
}
});
dialog.show();
}