public void saveChanges() {
AutoPlaylist.Rule[] modifiedRules = new AutoPlaylist.Rule[editedRules.size()];
editedReference.setRules(editedRules.toArray(modifiedRules));
if (reference.getPlaylistId() == AutoPlaylist.EMPTY.getPlaylistId()) {
Library.createAutoPlaylist(this, editedReference);
} else {
Library.editAutoPlaylist(this, editedReference);
}
}
private boolean rulesChanged() {
if (editedRules.size() != reference.getRules().length) {
return true;
}
for (int i = 0; i < editedRules.size(); i++) {
if (!reference.getRules()[i].equals(editedRules.get(i))) {
return true;
}
}
return false;
}
private boolean validateName() {
boolean valid =
editedReference
.getPlaylistName()
.trim()
.equalsIgnoreCase(reference.getPlaylistName().trim())
|| Library.verifyPlaylistName(this, editedReference.getPlaylistName()) == null;
if (!valid) {
RecyclerView list = (RecyclerView) findViewById(R.id.list);
list.scrollToPosition(0);
}
return valid;
}
@Override
public void onBackPressed() {
if (!editedReference.isEqual(reference) || rulesChanged()) {
AlertDialog dialog =
new AlertDialog.Builder(this)
.setMessage("Save changes?")
.setPositiveButton(
"Save",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (validateName()) {
saveChanges();
Navigate.back(AutoPlaylistEditActivity.this);
}
}
})
.setNegativeButton(
"Discard",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Navigate.back(AutoPlaylistEditActivity.this);
}
})
.setNeutralButton("Cancel", null)
.show();
Themes.themeAlertDialog(dialog);
} else {
super.onBackPressed();
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_instance_no_miniplayer);
reference = getIntent().getParcelableExtra(PLAYLIST_EXTRA);
if (reference == null) {
reference = AutoPlaylist.EMPTY;
}
if (savedInstanceState != null) {
editedReference = savedInstanceState.getParcelable(EDITED_HEADER);
editedRules = savedInstanceState.getParcelableArrayList(EDITED_RULES);
}
if (editedReference == null || editedRules == null) {
editedReference = new AutoPlaylist(reference);
editedRules = new ArrayList<>(reference.getRules().length);
Collections.addAll(editedRules, editedReference.getRules());
}
if (getSupportActionBar() != null) {
if (reference == null) {
getSupportActionBar().setTitle(R.string.playlist_auto_new);
} else {
getSupportActionBar().setTitle(reference.getPlaylistName());
}
getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_done_24dp);
}
adapter =
new HeterogeneousAdapter()
.addSection(new RuleHeaderSingleton(editedReference))
.addSection(new RuleSection(editedRules, this));
RecyclerView list = (RecyclerView) findViewById(R.id.list);
list.setAdapter(adapter);
list.setLayoutManager(new LinearLayoutManager(this));
list.addItemDecoration(new BackgroundDecoration(Themes.getBackgroundElevated()));
list.addItemDecoration(new DividerDecoration(this));
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.add:
editedRules.add(new AutoPlaylist.Rule(AutoPlaylist.Rule.EMPTY));
adapter.notifyItemInserted(editedRules.size());
return true;
case R.id.discard:
if (rulesChanged()) {
AlertDialog dialog =
new AlertDialog.Builder(this)
.setMessage("Discard changes?")
.setPositiveButton(
"Discard",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setNegativeButton(R.string.action_cancel, null)
.show();
Themes.themeAlertDialog(dialog);
} else {
finish();
}
return true;
case android.R.id.home:
if (validateName()) {
if (!editedReference.isEqual(reference) || rulesChanged()) {
saveChanges();
}
} else {
return true;
}
break;
}
return super.onOptionsItemSelected(item);
}