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);
114 for (int i = 0; i < table.getChildCount(); i++) {
115 TableRow row = (TableRow) table.getChildAt(i);
116 AutoCompleteTextView tvAccountName = (AutoCompleteTextView) row.getChildAt(0);
117 TextView tvAmount = (TextView) row.getChildAt(1);
118 hookSwipeListener(row);
119 MLDB.hookAutocompletionAdapter(this, tvAccountName, MLDB.ACCOUNTS_TABLE, "name", true,
120 tvAmount, null, mProfile);
121 hookTextChangeListener(tvAccountName);
122 hookTextChangeListener(tvAmount);
123 // debug("swipe", "hooked to row "+i);
127 protected void initProfile() {
128 String profileUUID = getIntent().getStringExtra("profile_uuid");
130 if (profileUUID != null) {
131 mProfile = Data.getProfile(profileUUID);
132 if (mProfile == null) finish();
134 else super.initProfile();
137 public void finish() {
139 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
143 public boolean onOptionsItemSelected(MenuItem item) {
144 switch (item.getItemId()) {
145 case android.R.id.home:
149 return super.onOptionsItemSelected(item);
152 protected void onStart() {
154 if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
156 public void saveTransaction() {
157 if (fab != null) fab.setEnabled(false);
158 toggleAllEditing(false);
159 progress.setVisibility(View.VISIBLE);
162 saver = new SendTransactionTask(this, mProfile);
164 String dateString = tvDate.getText().toString();
166 if (dateString.isEmpty()) date = new Date();
167 else date = Globals.parseLedgerDate(dateString);
168 LedgerTransaction tr = new LedgerTransaction(null, date, tvDescription.getText().toString(), mProfile);
170 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
171 LedgerTransactionAccount emptyAmountAccount = null;
172 float emptyAmountAccountBalance = 0;
173 for (int i = 0; i < table.getChildCount(); i++) {
174 TableRow row = (TableRow) table.getChildAt(i);
175 String acc = ((TextView) row.getChildAt(0)).getText().toString();
176 if (acc.isEmpty()) continue;
178 String amt = ((TextView) row.getChildAt(1)).getText().toString();
179 LedgerTransactionAccount item;
180 if (amt.length() > 0) {
181 final float amount = Float.parseFloat(amt);
182 item = new LedgerTransactionAccount(acc, amount);
183 emptyAmountAccountBalance += amount;
186 item = new LedgerTransactionAccount(acc);
187 emptyAmountAccount = item;
193 if (emptyAmountAccount != null)
194 emptyAmountAccount.setAmount(-emptyAmountAccountBalance);
197 catch (ParseException e) {
198 debug("new-transaction", "Parse error", e);
199 Toast.makeText(this, getResources().getString(R.string.error_invalid_date),
200 Toast.LENGTH_LONG).show();
201 tvDate.requestFocus();
203 progress.setVisibility(View.GONE);
204 toggleAllEditing(true);
205 if (fab != null) fab.setEnabled(true);
207 catch (Exception e) {
208 debug("new-transaction", "Unknown error", e);
210 progress.setVisibility(View.GONE);
211 toggleAllEditing(true);
212 if (fab != null) fab.setEnabled(true);
215 private void toggleAllEditing(boolean enabled) {
216 tvDate.setEnabled(enabled);
217 tvDescription.setEnabled(enabled);
218 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
219 for (int i = 0; i < table.getChildCount(); i++) {
220 TableRow row = (TableRow) table.getChildAt(i);
221 for (int j = 0; j < row.getChildCount(); j++) {
222 row.getChildAt(j).setEnabled(enabled);
226 private void hookSwipeListener(final TableRow row) {
227 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
228 private void onSwipeAside() {
229 if (table.getChildCount() > 2) {
230 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
231 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
233 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : tvDescription;
235 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
237 if (next_acc == null) {
238 prev_amt.setNextFocusRightId(R.id.none);
239 prev_amt.setNextFocusForwardId(R.id.none);
240 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
243 prev_amt.setNextFocusRightId(next_acc.getId());
244 prev_amt.setNextFocusForwardId(next_acc.getId());
245 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
248 if (row.hasFocus()) {
249 if (next_acc != null) next_acc.requestFocus();
250 else prev_amt.requestFocus();
253 table.removeView(row);
254 check_transaction_submittable();
255 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
258 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
259 Snackbar.LENGTH_LONG).setAction("Action", null).show();
262 public void onSwipeLeft() {
265 public void onSwipeRight() {
269 // public boolean performClick(View view, MotionEvent m) {
272 public boolean onTouch(View view, MotionEvent m) {
273 return gestureDetector.onTouchEvent(m);
278 public boolean simulateCrash(MenuItem item) {
279 debug("crash", "Will crash intentionally");
280 new AsyncCrasher().execute();
283 public boolean onCreateOptionsMenu(Menu menu) {
284 // Inflate the menu; this adds items to the action bar if it is present.
285 getMenuInflater().inflate(R.menu.new_transaction, menu);
287 if (BuildConfig.DEBUG) {
288 menu.findItem(R.id.action_simulate_crash).setVisible(true);
290 check_transaction_submittable();
295 public void pickTransactionDate(View view) {
296 DialogFragment picker = new DatePickerFragment();
297 picker.show(getSupportFragmentManager(), "datePicker");
300 public int dp2px(float dp) {
301 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
302 getResources().getDisplayMetrics()));
304 private void hookTextChangeListener(final TextView view) {
305 view.addTextChangedListener(new TextWatcher() {
307 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
312 public void onTextChanged(CharSequence s, int start, int before, int count) {
317 public void afterTextChanged(Editable s) {
318 // debug("input", "text changed");
319 check_transaction_submittable();
324 private TableRow doAddAccountRow(boolean focus) {
325 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
326 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
327 TableRow.LayoutParams.WRAP_CONTENT, 9f));
328 acc.setHint(R.string.new_transaction_account_hint);
330 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
331 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
332 acc.setSingleLine(true);
334 final EditText amt = new EditText(this);
335 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
336 TableRow.LayoutParams.MATCH_PARENT, 1f));
337 amt.setHint(R.string.new_transaction_amount_hint);
339 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
340 InputType.TYPE_NUMBER_FLAG_DECIMAL);
341 amt.setMinWidth(dp2px(40));
342 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
343 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
344 amt.setSelectAllOnFocus(true);
346 // forward navigation support
347 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
348 final TextView last_amt = (TextView) last_row.getChildAt(1);
349 last_amt.setNextFocusForwardId(acc.getId());
350 last_amt.setNextFocusRightId(acc.getId());
351 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
352 acc.setNextFocusForwardId(amt.getId());
353 acc.setNextFocusRightId(amt.getId());
355 final TableRow row = new TableRow(this);
356 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
357 TableRow.LayoutParams.MATCH_PARENT));
358 row.setGravity(Gravity.BOTTOM);
363 if (focus) acc.requestFocus();
365 hookSwipeListener(row);
366 MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt, null,
368 hookTextChangeListener(acc);
369 hookTextChangeListener(amt);
373 public void addTransactionAccountFromMenu(MenuItem item) {
374 doAddAccountRow(true);
376 public void resetTransactionFromMenu(MenuItem item) {
379 public void saveTransactionFromMenu(MenuItem item) {
383 // 1) at least two account names
384 // 2) each amount must have account name
385 // 3) amounts must balance to 0, or
386 // 3a) there must be exactly one empty amount
387 // 4) empty accounts with empty amounts are ignored
388 // 5) a row with an empty account name or empty amount is guaranteed to exist
389 @SuppressLint("DefaultLocale")
390 private void check_transaction_submittable() {
391 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
393 int accounts_with_values = 0;
395 int amounts_with_accounts = 0;
397 TextView empty_amount = null;
398 boolean single_empty_amount = false;
399 boolean single_empty_amount_has_account = false;
400 float running_total = 0f;
401 boolean have_description =
402 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
406 for (int i = 0; i < table.getChildCount(); i++) {
407 TableRow row = (TableRow) table.getChildAt(i);
409 TextView acc_name_v = (TextView) row.getChildAt(0);
410 TextView amount_v = (TextView) row.getChildAt(1);
411 String amt = String.valueOf(amount_v.getText());
412 String acc_name = String.valueOf(acc_name_v.getText());
413 acc_name = acc_name.trim();
415 if (!acc_name.isEmpty()) {
418 if (!amt.isEmpty()) {
419 accounts_with_values++;
425 amount_v.setHint(String.format("%1.2f", 0f));
426 if (empty_amount == null) {
427 empty_amount = amount_v;
428 single_empty_amount = true;
429 single_empty_amount_has_account = !acc_name.isEmpty();
431 else if (!acc_name.isEmpty()) single_empty_amount = false;
435 if (!acc_name.isEmpty()) amounts_with_accounts++;
436 running_total += Float.valueOf(amt);
440 if ((empty_rows == 0) &&
441 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
443 doAddAccountRow(false);
446 debug("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
447 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
448 "single_empty_with_acc=%s", accounts,
449 accounts_with_values, amounts_with_accounts, amounts, running_total,
450 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
452 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
453 (amounts_with_accounts == amounts) &&
454 (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
458 fab.setEnabled(true);
462 if (fab != null) fab.hide();
465 if (single_empty_amount) {
466 empty_amount.setHint(String.format("%1.2f",
467 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
471 catch (NumberFormatException e) {
472 if (fab != null) fab.hide();
474 catch (Exception e) {
476 if (fab != null) fab.hide();
481 public void done(String error) {
482 progress.setVisibility(View.INVISIBLE);
483 debug("visuals", "hiding progress");
485 if (error == null) resetForm();
486 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
487 BaseTransientBottomBar.LENGTH_LONG).show();
489 toggleAllEditing(true);
490 check_transaction_submittable();
493 private void resetForm() {
495 tvDescription.setText("");
497 tvDescription.requestFocus();
499 while (table.getChildCount() > 2) {
500 table.removeViewAt(2);
502 for (int i = 0; i < 2; i++) {
503 TableRow tr = (TableRow) table.getChildAt(i);
504 if (tr == null) break;
506 ((TextView) tr.getChildAt(0)).setText("");
507 ((TextView) tr.getChildAt(1)).setText("");
511 public void descriptionSelected(String description) {
512 debug("descr selected", description);
513 if (!inputStateIsInitial()) return;
515 String accFilter = mProfile.getPreferredAccountsFilter();
517 ArrayList<String> params = new ArrayList<>();
518 StringBuilder sb = new StringBuilder(
519 "select t.profile, t.id from transactions t where t.description=?");
520 params.add(description);
522 if (accFilter != null) {
523 sb.append(" AND EXISTS (").append("SELECT 1 FROM transaction_accounts ta ")
524 .append("WHERE ta.profile = t.profile").append(" AND ta.transaction_id = t.id")
525 .append(" AND UPPER(ta.account_name) LIKE '%'||?||'%')");
526 params.add(accFilter.toUpperCase());
529 sb.append(" ORDER BY date desc limit 1");
531 final String sql = sb.toString();
533 debug("descr", params.toString());
535 try (Cursor c = App.getDatabase().rawQuery(sql, params.toArray(new String[]{}))) {
536 if (!c.moveToNext()) return;
538 String profileUUID = c.getString(0);
539 int transactionId = c.getInt(1);
540 LedgerTransaction tr;
541 MobileLedgerProfile profile = Data.getProfile(profileUUID);
542 if (profile == null) throw new RuntimeException(String.format(
543 "Unable to find profile %s, which is supposed to contain " +
544 "transaction %d with description %s", profileUUID, transactionId, description));
546 tr = profile.loadTransaction(transactionId);
547 table = findViewById(R.id.new_transaction_accounts_table);
548 ArrayList<LedgerTransactionAccount> accounts = tr.getAccounts();
549 TableRow firstNegative = null;
550 int negativeCount = 0;
551 for (int i = 0; i < accounts.size(); i++) {
552 LedgerTransactionAccount acc = accounts.get(i);
553 TableRow row = (TableRow) table.getChildAt(i);
554 if (row == null) row = doAddAccountRow(false);
556 ((TextView) row.getChildAt(0)).setText(acc.getAccountName());
557 ((TextView) row.getChildAt(1))
558 .setText(String.format(Locale.US, "%1.2f", acc.getAmount()));
560 if (acc.getAmount() < 0.005) {
561 if (firstNegative == null) firstNegative = row;
566 if (negativeCount == 1) {
567 ((TextView) firstNegative.getChildAt(1)).setText(null);
570 check_transaction_submittable();
572 EditText firstAmount = (EditText) ((TableRow) table.getChildAt(0)).getChildAt(1);
573 String amtString = String.valueOf(firstAmount.getText());
574 firstAmount.requestFocus();
575 firstAmount.setSelection(0, amtString.length());
579 private boolean inputStateIsInitial() {
580 table = findViewById(R.id.new_transaction_accounts_table);
582 if (table.getChildCount() != 2) return false;
584 for (int i = 0; i < 2; i++) {
585 TableRow row = (TableRow) table.getChildAt(i);
586 if (((TextView) row.getChildAt(0)).getText().length() > 0) return false;
587 if (((TextView) row.getChildAt(1)).getText().length() > 0) return false;
592 private class AsyncCrasher extends AsyncTask<Void, Void, Void> {
594 protected Void doInBackground(Void... voids) {
595 throw new RuntimeException("Simulated crash");