2 * Copyright © 2019 Damyan Ivanov.
3 * This file is part of Mobile-Ledger.
4 * Mobile-Ledger 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 * Mobile-Ledger 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 Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.ui.activity;
20 import android.annotation.SuppressLint;
21 import android.os.Bundle;
22 import android.support.design.widget.BaseTransientBottomBar;
23 import android.support.design.widget.Snackbar;
24 import android.support.v4.app.DialogFragment;
25 import android.support.v7.app.AppCompatActivity;
26 import android.support.v7.widget.Toolbar;
27 import android.text.Editable;
28 import android.text.InputType;
29 import android.text.TextWatcher;
30 import android.util.Log;
31 import android.util.TypedValue;
32 import android.view.Gravity;
33 import android.view.Menu;
34 import android.view.MenuItem;
35 import android.view.MotionEvent;
36 import android.view.View;
37 import android.view.inputmethod.EditorInfo;
38 import android.widget.AutoCompleteTextView;
39 import android.widget.EditText;
40 import android.widget.ProgressBar;
41 import android.widget.TableLayout;
42 import android.widget.TableRow;
43 import android.widget.TextView;
44 import android.widget.Toast;
46 import net.ktnx.mobileledger.R;
47 import net.ktnx.mobileledger.async.SaveTransactionTask;
48 import net.ktnx.mobileledger.async.TaskCallback;
49 import net.ktnx.mobileledger.model.LedgerTransaction;
50 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
51 import net.ktnx.mobileledger.ui.DatePickerFragment;
52 import net.ktnx.mobileledger.ui.OnSwipeTouchListener;
53 import net.ktnx.mobileledger.utils.Globals;
54 import net.ktnx.mobileledger.utils.MLDB;
56 import java.text.ParseException;
57 import java.util.Date;
58 import java.util.Objects;
61 * TODO: nicer progress while transaction is submitted
63 * TODO: get rid of the custom session/cookie and auth code?
64 * (the last problem with the POST was the missing content-length header)
66 * TODO: nicer swiping removal with visual feedback
68 * TODO: update accounts/check settings upon change of backend settings
71 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
72 private static SaveTransactionTask saver;
73 private TableLayout table;
74 private ProgressBar progress;
75 private TextView tvDate;
76 private AutoCompleteTextView tvDescription;
77 private MenuItem mSave;
78 private static boolean isZero(float f) {
79 return (f < 0.005) && (f > -0.005);
82 protected void onCreate(Bundle savedInstanceState) {
83 super.onCreate(savedInstanceState);
84 setContentView(R.layout.activity_new_transaction);
85 Toolbar toolbar = findViewById(R.id.toolbar);
86 setSupportActionBar(toolbar);
88 tvDate = findViewById(R.id.new_transaction_date);
89 tvDate.setOnFocusChangeListener((v, hasFocus) -> {
90 if (hasFocus) pickTransactionDate(v);
92 tvDescription = findViewById(R.id.new_transaction_description);
93 MLDB.hookAutocompletionAdapter(this, tvDescription, MLDB.DESCRIPTION_HISTORY_TABLE,
94 "description", false, findViewById(R.id.new_transaction_acc_1));
95 hookTextChangeListener(tvDescription);
97 progress = findViewById(R.id.save_transaction_progress);
99 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
100 table = findViewById(R.id.new_transaction_accounts_table);
101 for (int i = 0; i < table.getChildCount(); i++) {
102 TableRow row = (TableRow) table.getChildAt(i);
103 AutoCompleteTextView tvAccountName = (AutoCompleteTextView) row.getChildAt(0);
104 TextView tvAmount = (TextView) row.getChildAt(1);
105 hookSwipeListener(row);
106 MLDB.hookAutocompletionAdapter(this, tvAccountName, MLDB.ACCOUNTS_TABLE, "name", true,
108 hookTextChangeListener(tvAccountName);
109 hookTextChangeListener(tvAmount);
110 // Log.d("swipe", "hooked to row "+i);
115 public void finish() {
117 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
121 public boolean onOptionsItemSelected(MenuItem item) {
122 switch (item.getItemId()) {
123 case android.R.id.home:
127 return super.onOptionsItemSelected(item);
130 protected void onStart() {
132 if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
134 public void saveTransaction() {
135 if (mSave != null) mSave.setVisible(false);
136 toggleAllEditing(false);
137 progress.setVisibility(View.VISIBLE);
140 saver = new SaveTransactionTask(this);
142 String dateString = tvDate.getText().toString();
144 if (dateString.isEmpty()) date = new Date();
145 else date = Globals.parseLedgerDate(dateString);
146 LedgerTransaction tr = new LedgerTransaction(date, tvDescription.getText().toString());
148 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
149 for (int i = 0; i < table.getChildCount(); i++) {
150 TableRow row = (TableRow) table.getChildAt(i);
151 String acc = ((TextView) row.getChildAt(0)).getText().toString();
152 String amt = ((TextView) row.getChildAt(1)).getText().toString();
153 LedgerTransactionAccount item =
154 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
155 : new LedgerTransactionAccount(acc);
161 catch (ParseException e) {
162 Log.d("new-transaction", "Parse error", e);
163 Toast.makeText(this, getResources().getString(R.string.error_invalid_date),
164 Toast.LENGTH_LONG).show();
165 tvDate.requestFocus();
167 progress.setVisibility(View.GONE);
168 toggleAllEditing(true);
169 if (mSave != null) mSave.setVisible(true);
171 catch (Exception e) {
172 Log.d("new-transaction", "Unknown error", e);
174 progress.setVisibility(View.GONE);
175 toggleAllEditing(true);
176 if (mSave != null) mSave.setVisible(true);
179 private void toggleAllEditing(boolean enabled) {
180 tvDate.setEnabled(enabled);
181 tvDescription.setEnabled(enabled);
182 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
183 for (int i = 0; i < table.getChildCount(); i++) {
184 TableRow row = (TableRow) table.getChildAt(i);
185 for (int j = 0; j < row.getChildCount(); j++) {
186 row.getChildAt(j).setEnabled(enabled);
190 private void hookSwipeListener(final TableRow row) {
191 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
192 public void onSwipeLeft() {
193 // Log.d("swipe", "LEFT" + row.getId());
194 if (table.getChildCount() > 2) {
195 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
196 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
198 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : tvDescription;
200 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
202 if (next_acc == null) {
203 prev_amt.setNextFocusRightId(R.id.none);
204 prev_amt.setNextFocusForwardId(R.id.none);
205 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
208 prev_amt.setNextFocusRightId(next_acc.getId());
209 prev_amt.setNextFocusForwardId(next_acc.getId());
210 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
213 if (row.hasFocus()) {
214 if (next_acc != null) next_acc.requestFocus();
215 else prev_amt.requestFocus();
218 table.removeView(row);
219 check_transaction_submittable();
220 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
223 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
224 Snackbar.LENGTH_LONG).setAction("Action", null).show();
228 // public boolean performClick(View view, MotionEvent m) {
231 public boolean onTouch(View view, MotionEvent m) {
232 return gestureDetector.onTouchEvent(m);
237 public boolean onCreateOptionsMenu(Menu menu) {
238 // Inflate the menu; this adds items to the action bar if it is present.
239 getMenuInflater().inflate(R.menu.new_transaction, menu);
240 mSave = menu.findItem(R.id.action_submit_transaction);
241 if (mSave == null) throw new AssertionError();
243 check_transaction_submittable();
248 public void pickTransactionDate(View view) {
249 DialogFragment picker = new DatePickerFragment();
250 picker.show(getSupportFragmentManager(), "datePicker");
253 public int dp2px(float dp) {
254 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
255 getResources().getDisplayMetrics()));
257 private void hookTextChangeListener(final TextView view) {
258 view.addTextChangedListener(new TextWatcher() {
260 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
265 public void onTextChanged(CharSequence s, int start, int before, int count) {
270 public void afterTextChanged(Editable s) {
271 // Log.d("input", "text changed");
272 check_transaction_submittable();
277 private void doAddAccountRow(boolean focus) {
278 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
279 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
280 TableRow.LayoutParams.WRAP_CONTENT, 9f));
281 acc.setHint(R.string.new_transaction_account_hint);
283 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
284 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
285 acc.setSingleLine(true);
287 final EditText amt = new EditText(this);
288 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
289 TableRow.LayoutParams.MATCH_PARENT, 1f));
290 amt.setHint(R.string.new_transaction_amount_hint);
292 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
293 InputType.TYPE_NUMBER_FLAG_DECIMAL);
294 amt.setMinWidth(dp2px(40));
295 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
296 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
298 // forward navigation support
299 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
300 final TextView last_amt = (TextView) last_row.getChildAt(1);
301 last_amt.setNextFocusForwardId(acc.getId());
302 last_amt.setNextFocusRightId(acc.getId());
303 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
304 acc.setNextFocusForwardId(amt.getId());
305 acc.setNextFocusRightId(amt.getId());
307 final TableRow row = new TableRow(this);
308 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
309 TableRow.LayoutParams.MATCH_PARENT));
310 row.setGravity(Gravity.BOTTOM);
315 if (focus) acc.requestFocus();
317 hookSwipeListener(row);
318 MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
319 hookTextChangeListener(acc);
320 hookTextChangeListener(amt);
322 public void addTransactionAccountFromMenu(MenuItem item) {
323 doAddAccountRow(true);
325 public void resetTransactionFromMenu(MenuItem item) {
328 public void saveTransactionFromMenu(MenuItem item) {
332 // 1) at least two account names
333 // 2) each amount must have account name
334 // 3) amounts must balance to 0, or
335 // 3a) there must be exactly one empty amount
336 // 4) empty accounts with empty amounts are ignored
337 // 5) a row with an empty account name or empty amount is guaranteed to exist
338 @SuppressLint("DefaultLocale")
339 private void check_transaction_submittable() {
340 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
342 int accounts_with_values = 0;
344 int amounts_with_accounts = 0;
346 TextView empty_amount = null;
347 boolean single_empty_amount = false;
348 boolean single_empty_amount_has_account = false;
349 float running_total = 0f;
350 boolean have_description =
351 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
355 for (int i = 0; i < table.getChildCount(); i++) {
356 TableRow row = (TableRow) table.getChildAt(i);
358 TextView acc_name_v = (TextView) row.getChildAt(0);
359 TextView amount_v = (TextView) row.getChildAt(1);
360 String amt = String.valueOf(amount_v.getText());
361 String acc_name = String.valueOf(acc_name_v.getText());
362 acc_name = acc_name.trim();
364 if (!acc_name.isEmpty()) {
367 if (!amt.isEmpty()) {
368 accounts_with_values++;
374 amount_v.setHint(String.format("%1.2f", 0f));
375 if (empty_amount == null) {
376 empty_amount = amount_v;
377 single_empty_amount = true;
378 single_empty_amount_has_account = !acc_name.isEmpty();
380 else if (!acc_name.isEmpty()) single_empty_amount = false;
384 if (!acc_name.isEmpty()) amounts_with_accounts++;
385 running_total += Float.valueOf(amt);
389 if ((empty_rows == 0) &&
390 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
392 doAddAccountRow(false);
395 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
396 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
397 "single_empty_with_acc=%s", accounts,
398 accounts_with_values, amounts_with_accounts, amounts, running_total,
399 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
401 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
402 (amounts_with_accounts == amounts) &&
403 (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
405 if (mSave != null) mSave.setVisible(true);
407 else if (mSave != null) mSave.setVisible(false);
409 if (single_empty_amount) {
410 empty_amount.setHint(String.format("%1.2f",
411 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
415 catch (NumberFormatException e) {
416 if (mSave != null) mSave.setVisible(false);
418 catch (Exception e) {
420 if (mSave != null) mSave.setVisible(false);
425 public void done(String error) {
426 progress.setVisibility(View.INVISIBLE);
427 Log.d("visuals", "hiding progress");
429 if (error == null) resetForm();
430 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
431 BaseTransientBottomBar.LENGTH_LONG).show();
433 toggleAllEditing(true);
434 check_transaction_submittable();
437 private void resetForm() {
439 tvDescription.setText("");
441 tvDescription.requestFocus();
443 while (table.getChildCount() > 2) {
444 table.removeViewAt(2);
446 for (int i = 0; i < 2; i++) {
447 TableRow tr = (TableRow) table.getChildAt(i);
448 if (tr == null) break;
450 ((TextView) tr.getChildAt(0)).setText("");
451 ((TextView) tr.getChildAt(1)).setText("");