+++ /dev/null
-/*
- * Copyright © 2019 Damyan Ivanov.
- * This file is part of MoLe.
- * MoLe is free software: you can distribute it and/or modify it
- * under the term of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your opinion), any later version.
- *
- * MoLe is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License terms for details.
- *
- * You should have received a copy of the GNU General Public License
- * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.ktnx.mobileledger.ui.activity;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.renderscript.RSInvalidStateException;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentActivity;
-import androidx.lifecycle.ViewModelProviders;
-import androidx.recyclerview.widget.ItemTouchHelper;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.floatingactionbutton.FloatingActionButton;
-import com.google.android.material.snackbar.Snackbar;
-
-import net.ktnx.mobileledger.R;
-import net.ktnx.mobileledger.model.Data;
-import net.ktnx.mobileledger.model.LedgerTransaction;
-import net.ktnx.mobileledger.model.LedgerTransactionAccount;
-import net.ktnx.mobileledger.model.MobileLedgerProfile;
-import net.ktnx.mobileledger.utils.Logger;
-import net.ktnx.mobileledger.utils.Misc;
-
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Date;
-
-/**
- * A simple {@link Fragment} subclass.
- * Activities that contain this fragment must implement the
- * {@link OnNewTransactionFragmentInteractionListener} interface
- * to handle interaction events.
- */
-public class NewTransactionFragment extends Fragment {
- private NewTransactionItemsAdapter listAdapter;
- private NewTransactionModel viewModel;
- private RecyclerView list;
- private FloatingActionButton fab;
- private OnNewTransactionFragmentInteractionListener mListener;
- private MobileLedgerProfile mProfile;
- public NewTransactionFragment() {
- // Required empty public constructor
- setHasOptionsMenu(true);
- }
- @Override
- public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
- super.onCreateOptionsMenu(menu, inflater);
- inflater.inflate(R.menu.new_transaction_fragment, menu);
- menu.findItem(R.id.action_reset_new_transaction_activity)
- .setOnMenuItemClickListener(item -> {
- listAdapter.reset();
- return true;
- });
- }
- @Override
- public View onCreateView(LayoutInflater inflater, ViewGroup container,
- Bundle savedInstanceState) {
- // Inflate the layout for this fragment
- return inflater.inflate(R.layout.fragment_new_transaction, container, false);
- }
-
- @Override
- public void onActivityCreated(@Nullable Bundle savedInstanceState) {
- super.onActivityCreated(savedInstanceState);
- FragmentActivity activity = getActivity();
- if (activity == null)
- throw new RSInvalidStateException(
- "getActivity() returned null within onActivityCreated()");
-
- list = activity.findViewById(R.id.new_transaction_accounts);
- viewModel = ViewModelProviders.of(activity)
- .get(NewTransactionModel.class);
- mProfile = Data.profile.getValue();
- listAdapter = new NewTransactionItemsAdapter(viewModel, mProfile);
- list.setAdapter(listAdapter);
- list.setLayoutManager(new LinearLayoutManager(activity));
- Data.profile.observe(this, profile -> {
- mProfile = profile;
- listAdapter.setProfile(profile);
- });
- listAdapter.notifyDataSetChanged();
- new ItemTouchHelper(new ItemTouchHelper.Callback() {
- @Override
- public int getMovementFlags(@NonNull RecyclerView recyclerView,
- @NonNull RecyclerView.ViewHolder viewHolder) {
- int flags = makeFlag(ItemTouchHelper.ACTION_STATE_IDLE, ItemTouchHelper.END);
- // the top item is always there (date and description)
- if (viewHolder.getAdapterPosition() > 0) {
- if (viewModel.getAccountCount() > 2) {
- flags |= makeFlag(ItemTouchHelper.ACTION_STATE_SWIPE,
- ItemTouchHelper.START | ItemTouchHelper.END);
- }
- }
-
- return flags;
- }
- @Override
- public boolean onMove(@NonNull RecyclerView recyclerView,
- @NonNull RecyclerView.ViewHolder viewHolder,
- @NonNull RecyclerView.ViewHolder target) {
- return false;
- }
- @Override
- public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
- if (viewModel.getAccountCount() == 2)
- Snackbar.make(list, R.string.msg_at_least_two_accounts_are_required,
- Snackbar.LENGTH_LONG)
- .setAction("Action", null)
- .show();
- else {
- int pos = viewHolder.getAdapterPosition();
- viewModel.removeItem(pos - 1);
- listAdapter.notifyItemRemoved(pos);
- viewModel.sendCountNotifications(); // needed after items re-arrangement
- viewModel.checkTransactionSubmittable(listAdapter);
- }
- }
- }).attachToRecyclerView(list);
-
- viewModel.isSubmittable()
- .observe(this, isSubmittable -> {
- if (isSubmittable) {
- if (fab != null) {
- fab.show();
- fab.setEnabled(true);
- }
- }
- else {
- if (fab != null) {
- fab.hide();
- }
- }
- });
- viewModel.checkTransactionSubmittable(listAdapter);
-
- fab = activity.findViewById(R.id.fab);
- fab.setOnClickListener(v -> onFabPressed());
-
- boolean keep = false;
-
- Bundle args = getArguments();
- if (args != null) {
- String error = args.getString("error");
- if (error != null) {
- // TODO display error
- Logger.debug("new-trans-f", String.format("Got error: %s", error));
- Snackbar.make(list, error, Snackbar.LENGTH_LONG)
- .show();
- keep = true;
- }
- }
-
- int focused = 0;
- if (savedInstanceState != null) {
- keep |= savedInstanceState.getBoolean("keep", true);
- focused = savedInstanceState.getInt("focused", 0);
- }
-
- if (!keep)
- viewModel.reset();
- else {
- viewModel.setFocusedItem(focused);
- }
- }
- @Override
- public void onSaveInstanceState(@NonNull Bundle outState) {
- super.onSaveInstanceState(outState);
- outState.putBoolean("keep", true);
- final int focusedItem = viewModel.getFocusedItem();
- outState.putInt("focused", focusedItem);
- }
- private void onFabPressed() {
- fab.setEnabled(false);
- Misc.hideSoftKeyboard(this);
- if (mListener != null) {
- Date date = viewModel.getDate();
- LedgerTransaction tr =
- new LedgerTransaction(null, date, viewModel.getDescription(), mProfile);
-
- LedgerTransactionAccount emptyAmountAccount = null;
- float emptyAmountAccountBalance = 0;
- for (int i = 0; i < viewModel.getAccountCount(); i++) {
- LedgerTransactionAccount acc =
- new LedgerTransactionAccount(viewModel.getAccount(i));
- if (acc.getAccountName()
- .trim()
- .isEmpty())
- continue;
-
- if (acc.isAmountSet()) {
- emptyAmountAccountBalance += acc.getAmount();
- }
- else {
- emptyAmountAccount = acc;
- }
-
- tr.addAccount(acc);
- }
-
- if (emptyAmountAccount != null)
- emptyAmountAccount.setAmount(-emptyAmountAccountBalance);
-
- mListener.onTransactionSave(tr);
- }
- }
-
- @Override
- public void onAttach(@NotNull Context context) {
- super.onAttach(context);
- if (context instanceof OnNewTransactionFragmentInteractionListener) {
- mListener = (OnNewTransactionFragmentInteractionListener) context;
- }
- else {
- throw new RuntimeException(
- context.toString() + " must implement OnFragmentInteractionListener");
- }
- }
-
- @Override
- public void onDetach() {
- super.onDetach();
- mListener = null;
- }
-
- /**
- * This interface must be implemented by activities that contain this
- * fragment to allow an interaction in this fragment to be communicated
- * to the activity and potentially other fragments contained in that
- * activity.
- * <p>
- * See the Android Training lesson <a href=
- * "http://developer.android.com/training/basics/fragments/communicating.html"
- * >Communicating with Other Fragments</a> for more information.
- */
- public interface OnNewTransactionFragmentInteractionListener {
- void onTransactionSave(LedgerTransaction tr);
- }
-}
projects / mobile-ledger.git / blobdiff