2 * Copyright © 2019 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.ui.activity;
20 import android.annotation.SuppressLint;
21 import android.database.Cursor;
22 import android.os.AsyncTask;
23 import android.os.Bundle;
24 import android.text.Editable;
25 import android.text.InputType;
26 import android.text.TextWatcher;
27 import android.util.TypedValue;
28 import android.view.Gravity;
29 import android.view.Menu;
30 import android.view.MenuItem;
31 import android.view.MotionEvent;
32 import android.view.View;
33 import android.view.inputmethod.EditorInfo;
34 import android.widget.AutoCompleteTextView;
35 import android.widget.EditText;
36 import android.widget.ProgressBar;
37 import android.widget.TableLayout;
38 import android.widget.TableRow;
39 import android.widget.TextView;
40 import android.widget.Toast;
42 import com.google.android.material.floatingactionbutton.FloatingActionButton;
43 import com.google.android.material.snackbar.BaseTransientBottomBar;
44 import com.google.android.material.snackbar.Snackbar;
46 import net.ktnx.mobileledger.App;
47 import net.ktnx.mobileledger.BuildConfig;
48 import net.ktnx.mobileledger.R;
49 import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
50 import net.ktnx.mobileledger.async.SendTransactionTask;
51 import net.ktnx.mobileledger.async.TaskCallback;
52 import net.ktnx.mobileledger.model.Data;
53 import net.ktnx.mobileledger.model.LedgerTransaction;
54 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
55 import net.ktnx.mobileledger.model.MobileLedgerProfile;
56 import net.ktnx.mobileledger.ui.DatePickerFragment;
57 import net.ktnx.mobileledger.ui.OnSwipeTouchListener;
58 import net.ktnx.mobileledger.utils.Globals;
59 import net.ktnx.mobileledger.utils.MLDB;
61 import java.text.ParseException;
62 import java.util.ArrayList;
63 import java.util.Date;
64 import java.util.Locale;
65 import java.util.Objects;
67 import androidx.appcompat.widget.Toolbar;
68 import androidx.fragment.app.DialogFragment;
70 import static net.ktnx.mobileledger.utils.Logger.debug;
73 * TODO: nicer progress while transaction is submitted
75 * TODO: get rid of the custom session/cookie and auth code?
76 * (the last problem with the POST was the missing content-length header)
79 public class NewTransactionActivity extends ProfileThemedActivity
80 implements TaskCallback, DescriptionSelectedCallback {
81 private static SendTransactionTask saver;
82 private TableLayout table;
83 private ProgressBar progress;
84 private FloatingActionButton fab;
85 private TextView tvDate;
86 private AutoCompleteTextView tvDescription;
87 private static boolean isZero(float f) {
88 return (f < 0.005) && (f > -0.005);
91 protected void onCreate(Bundle savedInstanceState) {
92 super.onCreate(savedInstanceState);
94 setContentView(R.layout.activity_new_transaction);
95 Toolbar toolbar = findViewById(R.id.toolbar);
96 setSupportActionBar(toolbar);
97 toolbar.setSubtitle(mProfile.getName());
99 tvDate = findViewById(R.id.new_transaction_date);
100 tvDate.setOnFocusChangeListener((v, hasFocus) -> {
101 if (hasFocus) pickTransactionDate(v);
103 tvDescription = findViewById(R.id.new_transaction_description);
104 MLDB.hookAutocompletionAdapter(this, tvDescription, MLDB.DESCRIPTION_HISTORY_TABLE,
105 "description", false, findViewById(R.id.new_transaction_acc_1), this, mProfile);
106 hookTextChangeListener(tvDescription);
108 progress = findViewById(R.id.save_transaction_progress);
109 fab = findViewById(R.id.fab);
110 fab.setOnClickListener(v -> saveTransaction());
112 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
113 table = findViewById(R.id.new_transaction_accounts_table);
115 while (table.getChildCount() < 2) {
116 doAddAccountRow(false);
120 protected void initProfile() {
121 String profileUUID = getIntent().getStringExtra("profile_uuid");
123 if (profileUUID != null) {
124 mProfile = Data.getProfile(profileUUID);
125 if (mProfile == null) finish();
127 else super.initProfile();
130 public void finish() {
132 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
136 public boolean onOptionsItemSelected(MenuItem item) {
137 switch (item.getItemId()) {
138 case android.R.id.home:
142 return super.onOptionsItemSelected(item);
145 protected void onStart() {
147 if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
149 public void saveTransaction() {
150 if (fab != null) fab.setEnabled(false);
151 toggleAllEditing(false);
152 progress.setVisibility(View.VISIBLE);
155 saver = new SendTransactionTask(this, mProfile);
157 String dateString = tvDate.getText().toString();
159 if (dateString.isEmpty()) date = new Date();
160 else date = Globals.parseLedgerDate(dateString);
161 LedgerTransaction tr = new LedgerTransaction(null, date, tvDescription.getText().toString(), mProfile);
163 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
164 LedgerTransactionAccount emptyAmountAccount = null;
165 float emptyAmountAccountBalance = 0;
166 for (int i = 0; i < table.getChildCount(); i++) {
167 TableRow row = (TableRow) table.getChildAt(i);
168 String acc = ((TextView) row.getChildAt(0)).getText().toString();
169 if (acc.isEmpty()) continue;
171 String amt = ((TextView) row.getChildAt(1)).getText().toString();
172 LedgerTransactionAccount item;
173 if (amt.length() > 0) {
174 final float amount = Float.parseFloat(amt);
175 item = new LedgerTransactionAccount(acc, amount);
176 emptyAmountAccountBalance += amount;
179 item = new LedgerTransactionAccount(acc);
180 emptyAmountAccount = item;
186 if (emptyAmountAccount != null)
187 emptyAmountAccount.setAmount(-emptyAmountAccountBalance);
190 catch (ParseException e) {
191 debug("new-transaction", "Parse error", e);
192 Toast.makeText(this, getResources().getString(R.string.error_invalid_date),
193 Toast.LENGTH_LONG).show();
194 tvDate.requestFocus();
196 progress.setVisibility(View.GONE);
197 toggleAllEditing(true);
198 if (fab != null) fab.setEnabled(true);
200 catch (Exception e) {
201 debug("new-transaction", "Unknown error", e);
203 progress.setVisibility(View.GONE);
204 toggleAllEditing(true);
205 if (fab != null) fab.setEnabled(true);
208 private void toggleAllEditing(boolean enabled) {
209 tvDate.setEnabled(enabled);
210 tvDescription.setEnabled(enabled);
211 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
212 for (int i = 0; i < table.getChildCount(); i++) {
213 TableRow row = (TableRow) table.getChildAt(i);
214 for (int j = 0; j < row.getChildCount(); j++) {
215 row.getChildAt(j).setEnabled(enabled);
219 private void hookSwipeListener(final TableRow row) {
220 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
221 private void onSwipeAside() {
222 if (table.getChildCount() > 2) {
223 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
224 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
226 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : tvDescription;
228 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
230 if (next_acc == null) {
231 prev_amt.setNextFocusRightId(R.id.none);
232 prev_amt.setNextFocusForwardId(R.id.none);
233 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
236 prev_amt.setNextFocusRightId(next_acc.getId());
237 prev_amt.setNextFocusForwardId(next_acc.getId());
238 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
241 if (row.hasFocus()) {
242 if (next_acc != null) next_acc.requestFocus();
243 else prev_amt.requestFocus();
246 table.removeView(row);
247 check_transaction_submittable();
248 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
251 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
252 Snackbar.LENGTH_LONG).setAction("Action", null).show();
255 public void onSwipeLeft() {
258 public void onSwipeRight() {
262 // public boolean performClick(View view, MotionEvent m) {
265 public boolean onTouch(View view, MotionEvent m) {
266 return gestureDetector.onTouchEvent(m);
271 public void simulateCrash(MenuItem item) {
272 debug("crash", "Will crash intentionally");
273 new AsyncCrasher().execute();
275 public boolean onCreateOptionsMenu(Menu menu) {
276 // Inflate the menu; this adds items to the action bar if it is present.
277 getMenuInflater().inflate(R.menu.new_transaction, menu);
279 if (BuildConfig.DEBUG) {
280 menu.findItem(R.id.action_simulate_crash).setVisible(true);
282 check_transaction_submittable();
287 public void pickTransactionDate(View view) {
288 DialogFragment picker = new DatePickerFragment();
289 picker.show(getSupportFragmentManager(), "datePicker");
292 public int dp2px(float dp) {
293 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
294 getResources().getDisplayMetrics()));
296 private void hookTextChangeListener(final TextView view) {
297 view.addTextChangedListener(new TextWatcher() {
299 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
304 public void onTextChanged(CharSequence s, int start, int before, int count) {
309 public void afterTextChanged(Editable s) {
310 // debug("input", "text changed");
311 check_transaction_submittable();
316 private TableRow doAddAccountRow(boolean focus) {
317 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
318 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
319 TableRow.LayoutParams.WRAP_CONTENT, 9f));
320 acc.setHint(R.string.new_transaction_account_hint);
322 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
323 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
324 acc.setSingleLine(true);
326 final EditText amt = new EditText(this);
327 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
328 TableRow.LayoutParams.MATCH_PARENT, 1f));
329 amt.setHint(R.string.new_transaction_amount_hint);
331 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
332 InputType.TYPE_NUMBER_FLAG_DECIMAL);
333 amt.setMinWidth(dp2px(40));
334 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
335 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
336 amt.setSelectAllOnFocus(true);
338 // forward navigation support
340 int rows = table.getChildCount();
342 final TableRow last_row = (TableRow) table.getChildAt(rows - 1);
343 last_amt = (TextView) last_row.getChildAt(1);
346 last_amt = tvDescription;
348 last_amt.setNextFocusForwardId(acc.getId());
349 last_amt.setNextFocusRightId(acc.getId());
350 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
351 acc.setNextFocusForwardId(amt.getId());
352 acc.setNextFocusRightId(amt.getId());
354 final TableRow row = new TableRow(this);
355 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
356 TableRow.LayoutParams.MATCH_PARENT));
357 row.setGravity(Gravity.BOTTOM);
362 if (focus) acc.requestFocus();
364 hookSwipeListener(row);
365 MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt, null,
367 hookTextChangeListener(acc);
368 hookTextChangeListener(amt);
372 public void addTransactionAccountFromMenu(MenuItem item) {
373 doAddAccountRow(true);
375 public void resetTransactionFromMenu(MenuItem item) {
378 public void saveTransactionFromMenu(MenuItem item) {
382 // 1) at least two account names
383 // 2) each amount must have account name
384 // 3) amounts must balance to 0, or
385 // 3a) there must be exactly one empty amount
386 // 4) empty accounts with empty amounts are ignored
387 // 5) a row with an empty account name or empty amount is guaranteed to exist
388 @SuppressLint("DefaultLocale")
389 private void check_transaction_submittable() {
390 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
392 int accounts_with_values = 0;
394 int amounts_with_accounts = 0;
396 TextView empty_amount = null;
397 boolean single_empty_amount = false;
398 boolean single_empty_amount_has_account = false;
399 float running_total = 0f;
400 boolean have_description =
401 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
405 for (int i = 0; i < table.getChildCount(); i++) {
406 TableRow row = (TableRow) table.getChildAt(i);
408 TextView acc_name_v = (TextView) row.getChildAt(0);
409 TextView amount_v = (TextView) row.getChildAt(1);
410 String amt = String.valueOf(amount_v.getText());
411 String acc_name = String.valueOf(acc_name_v.getText());
412 acc_name = acc_name.trim();
414 if (!acc_name.isEmpty()) {
417 if (!amt.isEmpty()) {
418 accounts_with_values++;
424 amount_v.setHint(String.format("%1.2f", 0f));
425 if (empty_amount == null) {
426 empty_amount = amount_v;
427 single_empty_amount = true;
428 single_empty_amount_has_account = !acc_name.isEmpty();
430 else if (!acc_name.isEmpty()) single_empty_amount = false;
434 if (!acc_name.isEmpty()) amounts_with_accounts++;
435 running_total += Float.valueOf(amt);
439 if ((empty_rows == 0) &&
440 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
442 doAddAccountRow(false);
445 debug("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
446 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
447 "single_empty_with_acc=%s", accounts,
448 accounts_with_values, amounts_with_accounts, amounts, running_total,
449 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
451 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
452 (amounts_with_accounts == amounts) &&
453 (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
457 fab.setEnabled(true);
461 if (fab != null) fab.hide();
464 if (single_empty_amount) {
465 empty_amount.setHint(String.format("%1.2f",
466 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
470 catch (NumberFormatException e) {
471 if (fab != null) fab.hide();
473 catch (Exception e) {
475 if (fab != null) fab.hide();
480 public void done(String error) {
481 progress.setVisibility(View.INVISIBLE);
482 debug("visuals", "hiding progress");
484 if (error == null) resetForm();
485 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
486 BaseTransientBottomBar.LENGTH_LONG).show();
488 toggleAllEditing(true);
489 check_transaction_submittable();
492 private void resetForm() {
494 tvDescription.setText("");
496 tvDescription.requestFocus();
498 while (table.getChildCount() > 2) {
499 table.removeViewAt(2);
501 for (int i = 0; i < 2; i++) {
502 TableRow tr = (TableRow) table.getChildAt(i);
503 if (tr == null) break;
505 ((TextView) tr.getChildAt(0)).setText("");
506 ((TextView) tr.getChildAt(1)).setText("");
510 public void descriptionSelected(String description) {
511 debug("descr selected", description);
512 if (!inputStateIsInitial()) return;
514 String accFilter = mProfile.getPreferredAccountsFilter();
516 ArrayList<String> params = new ArrayList<>();
517 StringBuilder sb = new StringBuilder(
518 "select t.profile, t.id from transactions t where t.description=?");
519 params.add(description);
521 if (accFilter != null) {
522 sb.append(" AND EXISTS (").append("SELECT 1 FROM transaction_accounts ta ")
523 .append("WHERE ta.profile = t.profile").append(" AND ta.transaction_id = t.id")
524 .append(" AND UPPER(ta.account_name) LIKE '%'||?||'%')");
525 params.add(accFilter.toUpperCase());
528 sb.append(" ORDER BY date desc limit 1");
530 final String sql = sb.toString();
532 debug("descr", params.toString());
534 try (Cursor c = App.getDatabase().rawQuery(sql, params.toArray(new String[]{}))) {
535 if (!c.moveToNext()) return;
537 String profileUUID = c.getString(0);
538 int transactionId = c.getInt(1);
539 LedgerTransaction tr;
540 MobileLedgerProfile profile = Data.getProfile(profileUUID);
541 if (profile == null) throw new RuntimeException(String.format(
542 "Unable to find profile %s, which is supposed to contain " +
543 "transaction %d with description %s", profileUUID, transactionId, description));
545 tr = profile.loadTransaction(transactionId);
546 ArrayList<LedgerTransactionAccount> accounts = tr.getAccounts();
547 TableRow firstNegative = null;
548 int negativeCount = 0;
549 for (int i = 0; i < accounts.size(); i++) {
550 LedgerTransactionAccount acc = accounts.get(i);
551 TableRow row = (TableRow) table.getChildAt(i);
552 if (row == null) row = doAddAccountRow(false);
554 ((TextView) row.getChildAt(0)).setText(acc.getAccountName());
555 ((TextView) row.getChildAt(1))
556 .setText(String.format(Locale.US, "%1.2f", acc.getAmount()));
558 if (acc.getAmount() < 0.005) {
559 if (firstNegative == null) firstNegative = row;
564 if (negativeCount == 1) {
565 ((TextView) firstNegative.getChildAt(1)).setText(null);
568 check_transaction_submittable();
570 EditText firstAmount = (EditText) ((TableRow) table.getChildAt(0)).getChildAt(1);
571 String amtString = String.valueOf(firstAmount.getText());
572 firstAmount.requestFocus();
573 firstAmount.setSelection(0, amtString.length());
577 private boolean inputStateIsInitial() {
578 table = findViewById(R.id.new_transaction_accounts_table);
580 if (table.getChildCount() != 2) return false;
582 for (int i = 0; i < 2; i++) {
583 TableRow row = (TableRow) table.getChildAt(i);
584 if (((TextView) row.getChildAt(0)).getText().length() > 0) return false;
585 if (((TextView) row.getChildAt(1)).getText().length() > 0) return false;
590 private class AsyncCrasher extends AsyncTask<Void, Void, Void> {
592 protected Void doInBackground(Void... voids) {
593 throw new RuntimeException("Simulated crash");