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
59 * TODO: latest transactions, maybe with browsing further in the past?
61 * TODO: get rid of the custom session/cookie and auth code?
62 * (the last problem with the POST was the missing content-length header)
64 * TODO: nicer swiping removal with visual feedback
66 * TODO: update accounts/check settings upon change of backend settings
69 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
70 private static SaveTransactionTask saver;
71 private TableLayout table;
72 private ProgressBar progress;
73 private TextView text_date;
74 private AutoCompleteTextView text_descr;
75 private MenuItem mSave;
78 protected void onCreate(Bundle savedInstanceState) {
79 super.onCreate(savedInstanceState);
80 setContentView(R.layout.activity_new_transaction);
81 Toolbar toolbar = findViewById(R.id.toolbar);
82 setSupportActionBar(toolbar);
84 text_date = findViewById(R.id.new_transaction_date);
85 text_date.setOnFocusChangeListener((v, hasFocus) -> {
86 if (hasFocus) pickTransactionDate(v);
88 text_descr = findViewById(R.id.new_transaction_description);
89 MLDB.hook_autocompletion_adapter(this, text_descr, MLDB.DESCRIPTION_HISTORY_TABLE,
90 "description", false, findViewById(R.id.new_transaction_acc_1));
91 hook_text_change_listener(text_descr);
93 progress = findViewById(R.id.save_transaction_progress);
95 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
96 table = findViewById(R.id.new_transaction_accounts_table);
97 for (int i = 0; i < table.getChildCount(); i++) {
98 TableRow row = (TableRow) table.getChildAt(i);
99 AutoCompleteTextView acc_name_view = (AutoCompleteTextView) row.getChildAt(0);
100 TextView amount_view = (TextView) row.getChildAt(1);
101 hook_swipe_listener(row);
102 MLDB.hook_autocompletion_adapter(this, acc_name_view, MLDB.ACCOUNTS_TABLE, "name", true,
104 hook_text_change_listener(acc_name_view);
105 hook_text_change_listener(amount_view);
106 // Log.d("swipe", "hooked to row "+i);
111 protected void onStart() {
113 if (text_descr.getText().toString().isEmpty()) text_descr.requestFocus();
117 public void finish() {
119 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
123 public boolean onOptionsItemSelected(MenuItem item) {
124 switch (item.getItemId()) {
125 case android.R.id.home:
129 return super.onOptionsItemSelected(item);
132 public void save_transaction() {
133 if (mSave != null) mSave.setVisible(false);
134 toggle_all_editing(false);
135 progress.setVisibility(View.VISIBLE);
137 saver = new SaveTransactionTask(this);
139 String date = text_date.getText().toString();
140 if (date.isEmpty()) date = String.valueOf(new Date().getDate());
141 LedgerTransaction tr = new LedgerTransaction(date, text_descr.getText().toString());
143 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
144 for (int i = 0; i < table.getChildCount(); i++) {
145 TableRow row = (TableRow) table.getChildAt(i);
146 String acc = ((TextView) row.getChildAt(0)).getText().toString();
147 String amt = ((TextView) row.getChildAt(1)).getText().toString();
148 LedgerTransactionAccount item =
149 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
150 : new LedgerTransactionAccount(acc);
157 private void toggle_all_editing(boolean enabled) {
158 text_date.setEnabled(enabled);
159 text_descr.setEnabled(enabled);
160 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
161 for (int i = 0; i < table.getChildCount(); i++) {
162 TableRow row = (TableRow) table.getChildAt(i);
163 for (int j = 0; j < row.getChildCount(); j++) {
164 row.getChildAt(j).setEnabled(enabled);
169 private void hook_swipe_listener(final TableRow row) {
170 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
171 public void onSwipeLeft() {
172 // Log.d("swipe", "LEFT" + row.getId());
173 if (table.getChildCount() > 2) {
174 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
175 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
177 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : text_descr;
179 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
181 if (next_acc == null) {
182 prev_amt.setNextFocusRightId(R.id.none);
183 prev_amt.setNextFocusForwardId(R.id.none);
184 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
187 prev_amt.setNextFocusRightId(next_acc.getId());
188 prev_amt.setNextFocusForwardId(next_acc.getId());
189 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
192 if (row.hasFocus()) {
193 if (next_acc != null) next_acc.requestFocus();
194 else prev_amt.requestFocus();
197 table.removeView(row);
198 check_transaction_submittable();
199 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
202 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
203 Snackbar.LENGTH_LONG).setAction("Action", null).show();
207 // public boolean performClick(View view, MotionEvent m) {
210 public boolean onTouch(View view, MotionEvent m) {
211 return gestureDetector.onTouchEvent(m);
216 private void hook_text_change_listener(final TextView view) {
217 view.addTextChangedListener(new TextWatcher() {
219 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
224 public void onTextChanged(CharSequence s, int start, int before, int count) {
229 public void afterTextChanged(Editable s) {
230 // Log.d("input", "text changed");
231 check_transaction_submittable();
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()));
258 private void do_add_account_row(boolean focus) {
259 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
260 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
261 TableRow.LayoutParams.WRAP_CONTENT, 9f));
262 acc.setHint(R.string.new_transaction_account_hint);
264 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
265 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
266 acc.setSingleLine(true);
268 final EditText amt = new EditText(this);
269 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
270 TableRow.LayoutParams.MATCH_PARENT, 1f));
271 amt.setHint(R.string.new_transaction_amount_hint);
273 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
274 InputType.TYPE_NUMBER_FLAG_DECIMAL);
275 amt.setMinWidth(dp2px(40));
276 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
277 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
279 // forward navigation support
280 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
281 final TextView last_amt = (TextView) last_row.getChildAt(1);
282 last_amt.setNextFocusForwardId(acc.getId());
283 last_amt.setNextFocusRightId(acc.getId());
284 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
285 acc.setNextFocusForwardId(amt.getId());
286 acc.setNextFocusRightId(amt.getId());
288 final TableRow row = new TableRow(this);
289 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
290 TableRow.LayoutParams.MATCH_PARENT));
291 row.setGravity(Gravity.BOTTOM);
296 if (focus) acc.requestFocus();
298 hook_swipe_listener(row);
299 MLDB.hook_autocompletion_adapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
300 hook_text_change_listener(acc);
301 hook_text_change_listener(amt);
304 public void addTransactionAccountFromMenu(MenuItem item) {
305 do_add_account_row(true);
308 public void resetTransactionFromMenu(MenuItem item) {
312 public void saveTransactionFromMenu(MenuItem item) {
316 private boolean is_zero(float f) {
317 return (f < 0.005) && (f > -0.005);
321 // 1) at least two account names
322 // 2) each amount must have account name
323 // 3) amounts must balance to 0, or
324 // 3a) there must be exactly one empty amount
325 // 4) empty accounts with empty amounts are ignored
326 // 5) a row with an empty account name or empty amount is guaranteed to exist
327 @SuppressLint("DefaultLocale")
328 private void check_transaction_submittable() {
329 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
331 int accounts_with_values = 0;
333 int amounts_with_accounts = 0;
335 TextView empty_amount = null;
336 boolean single_empty_amount = false;
337 boolean single_empty_amount_has_account = false;
338 float running_total = 0f;
339 boolean have_description =
340 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
344 for (int i = 0; i < table.getChildCount(); i++) {
345 TableRow row = (TableRow) table.getChildAt(i);
347 TextView acc_name_v = (TextView) row.getChildAt(0);
348 TextView amount_v = (TextView) row.getChildAt(1);
349 String amt = String.valueOf(amount_v.getText());
350 String acc_name = String.valueOf(acc_name_v.getText());
351 acc_name = acc_name.trim();
353 if (!acc_name.isEmpty()) {
356 if (!amt.isEmpty()) {
357 accounts_with_values++;
363 amount_v.setHint(String.format("%1.2f", 0f));
364 if (empty_amount == null) {
365 empty_amount = amount_v;
366 single_empty_amount = true;
367 single_empty_amount_has_account = !acc_name.isEmpty();
369 else if (!acc_name.isEmpty()) single_empty_amount = false;
373 if (!acc_name.isEmpty()) amounts_with_accounts++;
374 running_total += Float.valueOf(amt);
378 if ((empty_rows == 0) &&
379 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
381 do_add_account_row(false);
384 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
385 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
386 "single_empty_with_acc=%s", accounts,
387 accounts_with_values, amounts_with_accounts, amounts, running_total,
388 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
390 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
391 (amounts_with_accounts == amounts) &&
392 (single_empty_amount && single_empty_amount_has_account || is_zero(running_total)))
394 if (mSave != null) mSave.setVisible(true);
396 else if (mSave != null) mSave.setVisible(false);
398 if (single_empty_amount) {
399 empty_amount.setHint(String.format("%1.2f",
400 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
404 catch (NumberFormatException e) {
405 if (mSave != null) mSave.setVisible(false);
407 catch (Exception e) {
409 if (mSave != null) mSave.setVisible(false);
414 public void done(String error) {
415 progress.setVisibility(View.INVISIBLE);
416 Log.d("visuals", "hiding progress");
418 if (error == null) reset_form();
419 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
420 BaseTransientBottomBar.LENGTH_LONG).show();
422 toggle_all_editing(true);
423 check_transaction_submittable();
426 private void reset_form() {
427 text_date.setText("");
428 text_descr.setText("");
430 text_descr.requestFocus();
432 while (table.getChildCount() > 2) {
433 table.removeViewAt(2);
435 for (int i = 0; i < 2; i++) {
436 TableRow tr = (TableRow) table.getChildAt(i);
437 if (tr == null) break;
439 ((TextView) tr.getChildAt(0)).setText("");
440 ((TextView) tr.getChildAt(1)).setText("");