@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
switch (loader.getId()) {
case LOADER_HISTORY:
{
mAdapter.changeCursor(data);
if (!mAdapter.isEmpty()
&& mGroupList != null
&& mGroupList.getCheckedItemPosition() == ListView.INVALID_POSITION) {
selectGroup(0);
}
checkIfEmpty();
break;
}
case LOADER_MOST_VISITED:
{
mAdapter.changeMostVisitedCursor(data);
checkIfEmpty();
break;
}
default:
{
throw new IllegalArgumentException();
}
}
}
void resetHistory() {
mNullFxFilter.onClick(mNullFxFilter);
mNullBorderFilter.onClick(mNullBorderFilter);
HistoryAdapter adapter = mImageShow.getHistory();
adapter.reset();
ImagePreset original = new ImagePreset(adapter.getItem(0));
mImageShow.setImagePreset(original);
mPanelController.resetParameters();
invalidateViews();
}
public void addItem(String s) {
if ((mAdapter.history.size() > 0
&& !mAdapter.history.get(0).split(" = ")[0].equals(s.split(" = ")[0]))
|| mAdapter.history.size() == 0) {
mAdapter.history.add(0, s);
mAdapter.notifyItemInserted(0);
mRecycler.scrollToPosition(0);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.undoButton:
{
HistoryAdapter adapter = mImageShow.getHistory();
int position = adapter.undo();
mImageShow.onItemClick(position);
mImageShow.showToast("Undo");
invalidateViews();
return true;
}
case R.id.redoButton:
{
HistoryAdapter adapter = mImageShow.getHistory();
int position = adapter.redo();
mImageShow.onItemClick(position);
mImageShow.showToast("Redo");
invalidateViews();
return true;
}
case R.id.resetHistoryButton:
{
resetHistory();
return true;
}
case R.id.showImageStateButton:
{
toggleImageStatePanel();
return true;
}
case R.id.operationsButton:
{
toggleHistoryPanel();
return true;
}
case android.R.id.home:
{
saveImage();
return true;
}
}
return false;
}
@Override
public void onStart() {
super.onStart();
datasource = new HistoryDataSource(getActivity());
datasource.open();
historyList = datasource.getAllReverseHistory();
RecyclerView recyclerView;
recyclerView = (RecyclerView) getActivity().findViewById(R.id.history_recycler_view);
mAdapter = new HistoryAdapter(historyList);
Log.d("HistoryFragment", "onStart: total count " + mAdapter.getItemCount());
RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(this.getContext());
recyclerView.setLayoutManager(mLayoutManager);
recyclerView.setItemAnimator(new DefaultItemAnimator());
recyclerView.setAdapter(mAdapter);
mAdapter.notifyDataSetChanged();
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
/// M: Operator Feature set the history menu item. @{
mBrowserSmallFeatureEx = Extensions.getSmallFeaturePlugin(getActivity());
if (mBrowserSmallFeatureEx.shouldConfigHistoryPageMenuItem(
menu, mAdapter == null ? true : false, mAdapter.isEmpty())) {
menu.findItem(R.id.clear_history_menu_id).setEnabled(true);
}
/// @}
}
void checkIfEmpty() {
if (mAdapter.mMostVisited != null && mAdapter.mHistoryCursor != null) {
// Both cursors have loaded - check to see if we have data
if (mAdapter.isEmpty()) {
mRoot.findViewById(R.id.history).setVisibility(View.GONE);
mRoot.findViewById(android.R.id.empty).setVisibility(View.VISIBLE);
} else {
mRoot.findViewById(R.id.history).setVisibility(View.VISIBLE);
mRoot.findViewById(android.R.id.empty).setVisibility(View.GONE);
}
}
}
@Override
protected void onResume() {
super.onResume();
// Load up to date history
mPersist = new Persist(this);
mPersist.load();
mHistory = mPersist.getHistory();
incrementGroupId();
// When history is open, the display is saved as a Display Entry. Cache it if it exists.
HistoryEntry displayEntry = null;
if (mHistoryAdapter != null) {
displayEntry = mHistoryAdapter.getDisplayEntry();
}
// Create a new History Adapter (with the up-to-date history)
mHistoryAdapter = new HistoryAdapter(this, mEvaluator.getSolver(), mHistory);
mHistoryAdapter.setOnItemClickListener(
new HistoryAdapter.OnItemClickListener() {
@Override
public void onItemClick(final HistoryEntry entry) {
mDisplayView.collapse(
new AnimationFinishedListener() {
@Override
public void onAnimationFinished() {
mFormulaEditText.setText(entry.getFormula());
}
});
}
});
mHistoryAdapter.setOnItemLongclickListener(
new HistoryAdapter.OnItemLongClickListener() {
@Override
public void onItemLongClick(HistoryEntry entry) {
Clipboard.copy(getBaseContext(), entry.getResult());
}
});
// Restore the Display Entry (if it existed)
if (displayEntry != null) {
mHistoryAdapter.setDisplayEntry(displayEntry.getFormula(), displayEntry.getResult());
}
// Observe! Set! Typical adapter stuff.
mHistory.setObserver(
new History.Observer() {
@Override
public void notifyDataSetChanged() {
mHistoryAdapter.notifyDataSetChanged();
}
});
mDisplayView.setAdapter(mHistoryAdapter);
mDisplayView.attachToRecyclerView(
new ItemTouchHelper(
new ItemTouchHelper.SimpleCallback(
ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT,
ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) {
@Override
public boolean onMove(
RecyclerView recyclerView,
RecyclerView.ViewHolder viewHolder,
RecyclerView.ViewHolder target) {
return false;
}
@Override
public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
if (viewHolder.getAdapterPosition() < mHistory.getEntries().size()) {
HistoryEntry item = mHistory.getEntries().get(viewHolder.getAdapterPosition());
mHistory.remove(item);
mHistoryAdapter.notifyItemRemoved(viewHolder.getAdapterPosition());
}
}
}));
mDisplayView.scrollToMostRecent();
}
public HistoryWrapper(HistoryAdapter adapter) {
mAdapter = adapter;
mAdapter.registerDataSetObserver(mObserver);
}
void selectGroup(int position) {
mGroupItemClickListener.onItemClick(
null, mAdapter.getGroupView(position, false, null, null), position, position);
}
