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package it.niedermann.nextcloud.deck.ui.stack;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RelativeLayout;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.RecyclerView;
import java.util.List;
import java.util.Objects;
import butterknife.BindView;
import butterknife.ButterKnife;
import it.niedermann.nextcloud.deck.R;
import it.niedermann.nextcloud.deck.model.Account;
import it.niedermann.nextcloud.deck.model.full.FullCard;
import it.niedermann.nextcloud.deck.model.full.FullStack;
import it.niedermann.nextcloud.deck.persistence.sync.SyncManager;
import it.niedermann.nextcloud.deck.ui.card.CardAdapter;
public class StackFragment extends Fragment {
private static final String KEY_BOARD_ID = "boardId";
private static final String KEY_STACK_ID = "stackId";
private static final String KEY_ACCOUNT = "account";
private static final String KEY_HAS_EDIT_PERMISSION = "hasEditPermission";
private CardAdapter adapter = null;
private SyncManager syncManager;
private Activity activity;
private OnScrollListener onScrollListener;
private long stackId;
private long boardId;
private Account account;
@BindView(R.id.recycler_view)
RecyclerView recyclerView;
@BindView(R.id.no_cards)
RelativeLayout noCards;
/**
* @param boardId of the current stack
* @return new fragment instance
* @see <a href="https://gunhansancar.com/best-practice-to-instantiate-fragments-with-arguments-in-android/">Best Practice to Instantiate Fragments with Arguments in Android</a>
*/
public static StackFragment newInstance(long boardId, long stackId, Account account, boolean hasEditPermission) {
Bundle bundle = new Bundle();
bundle.putLong(KEY_BOARD_ID, boardId);
bundle.putLong(KEY_STACK_ID, stackId);
bundle.putBoolean(KEY_HAS_EDIT_PERMISSION, hasEditPermission);
bundle.putSerializable(KEY_ACCOUNT, account);
StackFragment fragment = new StackFragment();
fragment.setArguments(bundle);
return fragment;
}
@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);
if (context instanceof OnScrollListener) {
this.onScrollListener = (OnScrollListener) context;
}
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_stack, container, false);
ButterKnife.bind(this, view);
if (getArguments() == null) {
throw new IllegalArgumentException("account and localStackId are required arguments.");
}
boardId = getArguments().getLong(KEY_BOARD_ID);
stackId = getArguments().getLong(KEY_STACK_ID);
account = (Account) getArguments().getSerializable(KEY_ACCOUNT);
activity = Objects.requireNonNull(getActivity());
syncManager = new SyncManager(activity);
adapter = new CardAdapter(boardId, getArguments().getBoolean(KEY_HAS_EDIT_PERMISSION), syncManager, this);
recyclerView.setAdapter(adapter);
if (onScrollListener != null) {
recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
if (dy > 0)
onScrollListener.onScrollDown();
else if (dy < 0)
onScrollListener.onScrollUp();
}
});
}
refreshView();
return view;
}
private void refreshView() {
activity.runOnUiThread(() -> syncManager.getStack(account.getId(), stackId).observe(StackFragment.this, (FullStack stack) -> {
if (stack != null) {
syncManager.getFullCardsForStack(account.getId(), stack.getLocalId()).observe(StackFragment.this, (List<FullCard> cards) -> {
if (cards == null || cards.size() == 0) {
this.noCards.setVisibility(View.VISIBLE);
} else {
this.noCards.setVisibility(View.GONE);
adapter.setCardList(cards);
}
});
}
}));
}
public CardAdapter getAdapter() {
return adapter;
}
public RecyclerView getRecyclerView() {
return recyclerView;
}
public long getStackId() {
return this.stackId;
}
public interface OnScrollListener {
void onScrollUp();
void onScrollDown();
}
}
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