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;
45 import net.ktnx.mobileledger.R;
46 import net.ktnx.mobileledger.async.SaveTransactionTask;
47 import net.ktnx.mobileledger.async.TaskCallback;
48 import net.ktnx.mobileledger.model.LedgerTransaction;
49 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
50 import net.ktnx.mobileledger.ui.DatePickerFragment;
51 import net.ktnx.mobileledger.ui.OnSwipeTouchListener;
52 import net.ktnx.mobileledger.utils.MLDB;
54 import java.util.Date;
55 import java.util.Objects;
58 * TODO: nicer progress while transaction is submitted
60 * TODO: get rid of the custom session/cookie and auth code?
61 * (the last problem with the POST was the missing content-length header)
63 * TODO: nicer swiping removal with visual feedback
65 * TODO: update accounts/check settings upon change of backend settings
68 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
69 private static SaveTransactionTask saver;
70 private TableLayout table;
71 private ProgressBar progress;
72 private TextView text_date;
73 private AutoCompleteTextView text_descr;
74 private MenuItem mSave;
77 protected void onCreate(Bundle savedInstanceState) {
78 super.onCreate(savedInstanceState);
79 setContentView(R.layout.activity_new_transaction);
80 Toolbar toolbar = findViewById(R.id.toolbar);
81 setSupportActionBar(toolbar);
83 text_date = findViewById(R.id.new_transaction_date);
84 text_date.setOnFocusChangeListener((v, hasFocus) -> {
85 if (hasFocus) pickTransactionDate(v);
87 text_descr = findViewById(R.id.new_transaction_description);
88 MLDB.hook_autocompletion_adapter(this, text_descr, MLDB.DESCRIPTION_HISTORY_TABLE,
89 "description", false, findViewById(R.id.new_transaction_acc_1));
90 hook_text_change_listener(text_descr);
92 progress = findViewById(R.id.save_transaction_progress);
94 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
95 table = findViewById(R.id.new_transaction_accounts_table);
96 for (int i = 0; i < table.getChildCount(); i++) {
97 TableRow row = (TableRow) table.getChildAt(i);
98 AutoCompleteTextView acc_name_view = (AutoCompleteTextView) row.getChildAt(0);
99 TextView amount_view = (TextView) row.getChildAt(1);
100 hook_swipe_listener(row);
101 MLDB.hook_autocompletion_adapter(this, acc_name_view, MLDB.ACCOUNTS_TABLE, "name", true,
103 hook_text_change_listener(acc_name_view);
104 hook_text_change_listener(amount_view);
105 // Log.d("swipe", "hooked to row "+i);
110 protected void onStart() {
112 if (text_descr.getText().toString().isEmpty()) text_descr.requestFocus();
116 public void finish() {
118 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
122 public boolean onOptionsItemSelected(MenuItem item) {
123 switch (item.getItemId()) {
124 case android.R.id.home:
128 return super.onOptionsItemSelected(item);
131 public void save_transaction() {
132 if (mSave != null) mSave.setVisible(false);
133 toggle_all_editing(false);
134 progress.setVisibility(View.VISIBLE);
136 saver = new SaveTransactionTask(this);
138 String date = text_date.getText().toString();
139 if (date.isEmpty()) date = String.valueOf(new Date().getDate());
140 LedgerTransaction tr = new LedgerTransaction(date, text_descr.getText().toString());
142 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
143 for (int i = 0; i < table.getChildCount(); i++) {
144 TableRow row = (TableRow) table.getChildAt(i);
145 String acc = ((TextView) row.getChildAt(0)).getText().toString();
146 String amt = ((TextView) row.getChildAt(1)).getText().toString();
147 LedgerTransactionAccount item =
148 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
149 : new LedgerTransactionAccount(acc);
156 private void toggle_all_editing(boolean enabled) {
157 text_date.setEnabled(enabled);
158 text_descr.setEnabled(enabled);
159 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
160 for (int i = 0; i < table.getChildCount(); i++) {
161 TableRow row = (TableRow) table.getChildAt(i);
162 for (int j = 0; j < row.getChildCount(); j++) {
163 row.getChildAt(j).setEnabled(enabled);
168 private void hook_swipe_listener(final TableRow row) {
169 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
170 public void onSwipeLeft() {
171 // Log.d("swipe", "LEFT" + row.getId());
172 if (table.getChildCount() > 2) {
173 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
174 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
176 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : text_descr;
178 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
180 if (next_acc == null) {
181 prev_amt.setNextFocusRightId(R.id.none);
182 prev_amt.setNextFocusForwardId(R.id.none);
183 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
186 prev_amt.setNextFocusRightId(next_acc.getId());
187 prev_amt.setNextFocusForwardId(next_acc.getId());
188 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
191 if (row.hasFocus()) {
192 if (next_acc != null) next_acc.requestFocus();
193 else prev_amt.requestFocus();
196 table.removeView(row);
197 check_transaction_submittable();
198 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
201 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
202 Snackbar.LENGTH_LONG).setAction("Action", null).show();
206 // public boolean performClick(View view, MotionEvent m) {
209 public boolean onTouch(View view, MotionEvent m) {
210 return gestureDetector.onTouchEvent(m);
215 private void hook_text_change_listener(final TextView view) {
216 view.addTextChangedListener(new TextWatcher() {
218 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
223 public void onTextChanged(CharSequence s, int start, int before, int count) {
228 public void afterTextChanged(Editable s) {
229 // Log.d("input", "text changed");
230 check_transaction_submittable();
236 public boolean onCreateOptionsMenu(Menu menu) {
237 // Inflate the menu; this adds items to the action bar if it is present.
238 getMenuInflater().inflate(R.menu.new_transaction, menu);
239 mSave = menu.findItem(R.id.action_submit_transaction);
240 if (mSave == null) throw new AssertionError();
242 check_transaction_submittable();
247 public void pickTransactionDate(View view) {
248 DialogFragment picker = new DatePickerFragment();
249 picker.show(getSupportFragmentManager(), "datePicker");
252 public int dp2px(float dp) {
253 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
254 getResources().getDisplayMetrics()));
257 private void do_add_account_row(boolean focus) {
258 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
259 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
260 TableRow.LayoutParams.WRAP_CONTENT, 9f));
261 acc.setHint(R.string.new_transaction_account_hint);
263 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
264 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
265 acc.setSingleLine(true);
267 final EditText amt = new EditText(this);
268 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
269 TableRow.LayoutParams.MATCH_PARENT, 1f));
270 amt.setHint(R.string.new_transaction_amount_hint);
272 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
273 InputType.TYPE_NUMBER_FLAG_DECIMAL);
274 amt.setMinWidth(dp2px(40));
275 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
276 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
278 // forward navigation support
279 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
280 final TextView last_amt = (TextView) last_row.getChildAt(1);
281 last_amt.setNextFocusForwardId(acc.getId());
282 last_amt.setNextFocusRightId(acc.getId());
283 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
284 acc.setNextFocusForwardId(amt.getId());
285 acc.setNextFocusRightId(amt.getId());
287 final TableRow row = new TableRow(this);
288 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
289 TableRow.LayoutParams.MATCH_PARENT));
290 row.setGravity(Gravity.BOTTOM);
295 if (focus) acc.requestFocus();
297 hook_swipe_listener(row);
298 MLDB.hook_autocompletion_adapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
299 hook_text_change_listener(acc);
300 hook_text_change_listener(amt);
303 public void addTransactionAccountFromMenu(MenuItem item) {
304 do_add_account_row(true);
307 public void resetTransactionFromMenu(MenuItem item) {
311 public void saveTransactionFromMenu(MenuItem item) {
315 private boolean is_zero(float f) {
316 return (f < 0.005) && (f > -0.005);
320 // 1) at least two account names
321 // 2) each amount must have account name
322 // 3) amounts must balance to 0, or
323 // 3a) there must be exactly one empty amount
324 // 4) empty accounts with empty amounts are ignored
325 // 5) a row with an empty account name or empty amount is guaranteed to exist
326 @SuppressLint("DefaultLocale")
327 private void check_transaction_submittable() {
328 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
330 int accounts_with_values = 0;
332 int amounts_with_accounts = 0;
334 TextView empty_amount = null;
335 boolean single_empty_amount = false;
336 boolean single_empty_amount_has_account = false;
337 float running_total = 0f;
338 boolean have_description =
339 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
343 for (int i = 0; i < table.getChildCount(); i++) {
344 TableRow row = (TableRow) table.getChildAt(i);
346 TextView acc_name_v = (TextView) row.getChildAt(0);
347 TextView amount_v = (TextView) row.getChildAt(1);
348 String amt = String.valueOf(amount_v.getText());
349 String acc_name = String.valueOf(acc_name_v.getText());
350 acc_name = acc_name.trim();
352 if (!acc_name.isEmpty()) {
355 if (!amt.isEmpty()) {
356 accounts_with_values++;
362 amount_v.setHint(String.format("%1.2f", 0f));
363 if (empty_amount == null) {
364 empty_amount = amount_v;
365 single_empty_amount = true;
366 single_empty_amount_has_account = !acc_name.isEmpty();
368 else if (!acc_name.isEmpty()) single_empty_amount = false;
372 if (!acc_name.isEmpty()) amounts_with_accounts++;
373 running_total += Float.valueOf(amt);
377 if ((empty_rows == 0) &&
378 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
380 do_add_account_row(false);
383 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
384 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
385 "single_empty_with_acc=%s", accounts,
386 accounts_with_values, amounts_with_accounts, amounts, running_total,
387 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
389 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
390 (amounts_with_accounts == amounts) &&
391 (single_empty_amount && single_empty_amount_has_account || is_zero(running_total)))
393 if (mSave != null) mSave.setVisible(true);
395 else if (mSave != null) mSave.setVisible(false);
397 if (single_empty_amount) {
398 empty_amount.setHint(String.format("%1.2f",
399 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
403 catch (NumberFormatException e) {
404 if (mSave != null) mSave.setVisible(false);
406 catch (Exception e) {
408 if (mSave != null) mSave.setVisible(false);
413 public void done(String error) {
414 progress.setVisibility(View.INVISIBLE);
415 Log.d("visuals", "hiding progress");
417 if (error == null) reset_form();
418 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
419 BaseTransientBottomBar.LENGTH_LONG).show();
421 toggle_all_editing(true);
422 check_transaction_submittable();
425 private void reset_form() {
426 text_date.setText("");
427 text_descr.setText("");
429 text_descr.requestFocus();
431 while (table.getChildCount() > 2) {
432 table.removeViewAt(2);
434 for (int i = 0; i < 2; i++) {
435 TableRow tr = (TableRow) table.getChildAt(i);
436 if (tr == null) break;
438 ((TextView) tr.getChildAt(0)).setText("");
439 ((TextView) tr.getChildAt(1)).setText("");