private void addChapters(List<Chapter> chapterList) {
Collections.sort(chapterList, mLocationComparator);
mChapterAdapter.clear();
mChapterAdapter.addAll(chapterList);
mChapterSpinnerView.setAdapter(mChapterAdapter);
if (mSelectedChapter == null) {
// if the location is available, select the first chapter by default.
if (App.getInstance().getLastLocation() != null && chapterList.size() > 0) {
mSelectedChapter = chapterList.get(0);
}
}
if (mSelectedChapter != null) {
mChapterSpinnerView.setText(mSelectedChapter.toString());
} else {
mChapterSpinnerView.showDropDown();
mConfirmButton.setEnabled(false);
}
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mLocationComparator =
new ChapterComparator(
PrefUtils.getHomeChapterId(getActivity()), App.getInstance().getLastLocation());
mChapterAdapter = new ChapterAdapter(getActivity(), R.layout.spinner_item_welcome);
mChapterAdapter.setDropDownViewResource(R.layout.support_simple_spinner_dropdown_item);
if (savedInstanceState != null) {
mSelectedChapter = savedInstanceState.getParcelable(ARG_SELECTED_CHAPTER);
}
App.getInstance()
.getModelCache()
.getAsync(
Const.CACHE_KEY_CHAPTER_LIST_HUB,
new ModelCache.CacheListener() {
@Override
public void onGet(Object item) {
Directory directory = (Directory) item;
if (isContextValid()) {
addChapters(directory.getGroups());
mLoadSwitcher.setDisplayedChild(1);
}
}
@Override
public void onNotFound(String key) {
fetchChapters();
}
});
mChapterSpinnerView.setThreshold(1);
Filter.FilterListener enableConfirmOnUniqueFilterResult =
new Filter.FilterListener() {
@Override
public void onFilterComplete(int count) {
mConfirmButton.setEnabled(count == 1);
if (count == 1) {
mSelectedChapter = mChapterAdapter.getItem(0);
updateAutoCompleteHint(mSelectedChapter);
mChapterSpinnerView.dismissDropDown();
} else if (count == 0 && hasTrailingSpace(mChapterSpinnerView)) {
mChapterSpinnerTextInputLayout.setError(getString(R.string.remove_trailing_spaces));
} else {
resetAutoCompleteHint();
}
}
};
AdapterView.OnItemClickListener enableConfirmOnChapterClick =
new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mConfirmButton.setEnabled(true);
mSelectedChapter = mChapterAdapter.getItem(position);
updateAutoCompleteHint(mSelectedChapter);
}
};
mChapterSpinnerView.setFilterCompletionListener(enableConfirmOnUniqueFilterResult);
mChapterSpinnerView.setOnItemClickListener(enableConfirmOnChapterClick);
mChapterSpinnerView.setOnTouchListener(new ChapterSpinnerTouchListener());
mChapterSpinnerTextInputLayout.setErrorEnabled(true);
mConfirmButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
if (getActivity() instanceof Step1Listener) {
// TODO re-order cached chapter list
((Step1Listener) getActivity()).onConfirmedChapter(mSelectedChapter);
}
}
});
}
private boolean hasTrailingSpace(AutoCompleteSpinnerView chapterSpinnerView) {
return chapterSpinnerView.getText().toString().endsWith(" ");
}