/**
* Check to see if item from menu was selected then proceeds properly depending on item selected.
*
* @param item item from the menu options
* @return if the actions were performed properly
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// to add a new crime
case R.id.fragment_crime_list_menu_item_new_crime:
// Create and add new crime
Crime crime = new Crime();
CrimeLab.get(getActivity()).addCrime(crime);
// Create intent to start a new instance of CrimePagerActivity
Intent intent = CrimePagerActivity.newIntent(getActivity(), crime.getId());
startActivity(intent);
return true;
// to show subtitles and hide "Show Subtitle" option
case R.id.fragment_crime_list_menu_item_show_subtitle:
mSubtitleVisible = !mSubtitleVisible;
// make option invisible/visible
getActivity().invalidateOptionsMenu();
updateSubtitle();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
/** Updates the Interface with all the crimes in recycler views */
private void updateUI() {
CrimeLab crimelab = CrimeLab.get(getActivity());
List<Crime> crimes = crimelab.getCrimes();
if (mAdapter == null) {
mAdapter = new CrimeAdapter(crimes);
mCrimeRecyclerView.setAdapter(mAdapter);
} else {
mAdapter.setCrimes(crimes);
if (mPreviousAdapterSelected < 0) mAdapter.notifyDataSetChanged();
else {
mAdapter.notifyItemChanged(mPreviousAdapterSelected);
mPreviousAdapterSelected = -1;
}
}
// make sure number of crimes stays up to date
updateSubtitle();
}