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(new View.OnFocusChangeListener() {
87 public void onFocusChange(View v, boolean hasFocus) {
88 if (hasFocus) pickTransactionDate(v);
91 text_descr = findViewById(R.id.new_transaction_description);
92 MLDB.hook_autocompletion_adapter(this, text_descr, MLDB.DESCRIPTION_HISTORY_TABLE,
93 "description", false);
94 hook_text_change_listener(text_descr);
96 progress = findViewById(R.id.save_transaction_progress);
98 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
99 table = findViewById(R.id.new_transaction_accounts_table);
100 for (int i = 0; i < table.getChildCount(); i++) {
101 TableRow row = (TableRow) table.getChildAt(i);
102 AutoCompleteTextView acc_name_view = (AutoCompleteTextView) row.getChildAt(0);
103 TextView amount_view = (TextView) row.getChildAt(1);
104 hook_swipe_listener(row);
105 MLDB.hook_autocompletion_adapter(this, acc_name_view, MLDB.ACCOUNTS_TABLE, "name",
107 hook_text_change_listener(acc_name_view);
108 hook_text_change_listener(amount_view);
109 // Log.d("swipe", "hooked to row "+i);
114 protected void onStart() {
116 if (text_descr.getText().toString().isEmpty()) text_descr.requestFocus();
120 public void finish() {
122 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
126 public boolean onOptionsItemSelected(MenuItem item) {
127 switch (item.getItemId()) {
128 case android.R.id.home:
132 return super.onOptionsItemSelected(item);
135 public void save_transaction() {
136 if (mSave != null) mSave.setVisible(false);
137 toggle_all_editing(false);
138 progress.setVisibility(View.VISIBLE);
140 saver = new SaveTransactionTask(this);
142 String date = text_date.getText().toString();
143 if (date.isEmpty()) date = String.valueOf(new Date().getDate());
144 LedgerTransaction tr = new LedgerTransaction(date, text_descr.getText().toString());
146 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
147 for (int i = 0; i < table.getChildCount(); i++) {
148 TableRow row = (TableRow) table.getChildAt(i);
149 String acc = ((TextView) row.getChildAt(0)).getText().toString();
150 String amt = ((TextView) row.getChildAt(1)).getText().toString();
151 LedgerTransactionAccount item =
152 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
153 : new LedgerTransactionAccount(acc);
160 private void toggle_all_editing(boolean enabled) {
161 text_date.setEnabled(enabled);
162 text_descr.setEnabled(enabled);
163 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
164 for (int i = 0; i < table.getChildCount(); i++) {
165 TableRow row = (TableRow) table.getChildAt(i);
166 for (int j = 0; j < row.getChildCount(); j++) {
167 row.getChildAt(j).setEnabled(enabled);
172 private void hook_swipe_listener(final TableRow row) {
173 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
174 public void onSwipeLeft() {
175 // Log.d("swipe", "LEFT" + row.getId());
176 if (table.getChildCount() > 2) {
177 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
178 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
180 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : text_descr;
182 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
184 if (next_acc == null) {
185 prev_amt.setNextFocusRightId(R.id.none);
186 prev_amt.setNextFocusForwardId(R.id.none);
187 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
190 prev_amt.setNextFocusRightId(next_acc.getId());
191 prev_amt.setNextFocusForwardId(next_acc.getId());
192 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
195 if (row.hasFocus()) {
196 if (next_acc != null) next_acc.requestFocus();
197 else prev_amt.requestFocus();
200 table.removeView(row);
201 check_transaction_submittable();
202 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
205 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
206 Snackbar.LENGTH_LONG).setAction("Action", null).show();
210 // public boolean performClick(View view, MotionEvent m) {
213 public boolean onTouch(View view, MotionEvent m) {
214 return gestureDetector.onTouchEvent(m);
219 private void hook_text_change_listener(final TextView view) {
220 view.addTextChangedListener(new TextWatcher() {
222 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
227 public void onTextChanged(CharSequence s, int start, int before, int count) {
232 public void afterTextChanged(Editable s) {
233 // Log.d("input", "text changed");
234 check_transaction_submittable();
240 public boolean onCreateOptionsMenu(Menu menu) {
241 // Inflate the menu; this adds items to the action bar if it is present.
242 getMenuInflater().inflate(R.menu.new_transaction, menu);
243 mSave = menu.findItem(R.id.action_submit_transaction);
244 if (mSave == null) throw new AssertionError();
246 check_transaction_submittable();
251 public void pickTransactionDate(View view) {
252 DialogFragment picker = new DatePickerFragment();
253 picker.show(getSupportFragmentManager(), "datePicker");
256 public int dp2px(float dp) {
257 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
258 getResources().getDisplayMetrics()));
261 private void do_add_account_row(boolean focus) {
262 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
263 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
264 TableRow.LayoutParams.WRAP_CONTENT, 9f));
265 acc.setHint(R.string.new_transaction_account_hint);
267 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
268 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
269 acc.setSingleLine(true);
271 final EditText amt = new EditText(this);
272 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
273 TableRow.LayoutParams.MATCH_PARENT, 1f));
274 amt.setHint(R.string.new_transaction_amount_hint);
276 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
277 InputType.TYPE_NUMBER_FLAG_DECIMAL);
278 amt.setMinWidth(dp2px(40));
279 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
280 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
282 // forward navigation support
283 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
284 final TextView last_amt = (TextView) last_row.getChildAt(1);
285 last_amt.setNextFocusForwardId(acc.getId());
286 last_amt.setNextFocusRightId(acc.getId());
287 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
288 acc.setNextFocusForwardId(amt.getId());
289 acc.setNextFocusRightId(amt.getId());
291 final TableRow row = new TableRow(this);
292 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
293 TableRow.LayoutParams.MATCH_PARENT));
294 row.setGravity(Gravity.BOTTOM);
299 if (focus) acc.requestFocus();
301 hook_swipe_listener(row);
302 MLDB.hook_autocompletion_adapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true);
303 hook_text_change_listener(acc);
304 hook_text_change_listener(amt);
307 public void addTransactionAccountFromMenu(MenuItem item) {
308 do_add_account_row(true);
311 public void resetTransactionFromMenu(MenuItem item) {
315 public void saveTransactionFromMenu(MenuItem item) {
319 private boolean is_zero(float f) {
320 return (f < 0.005) && (f > -0.005);
324 // 1) at least two account names
325 // 2) each amount must have account name
326 // 3) amounts must balance to 0, or
327 // 3a) there must be exactly one empty amount
328 // 4) empty accounts with empty amounts are ignored
329 // 5) a row with an empty account name or empty amount is guaranteed to exist
330 @SuppressLint("DefaultLocale")
331 private void check_transaction_submittable() {
332 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
334 int accounts_with_values = 0;
336 int amounts_with_accounts = 0;
338 TextView empty_amount = null;
339 boolean single_empty_amount = false;
340 boolean single_empty_amount_has_account = false;
341 float running_total = 0f;
342 boolean have_description =
343 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
347 for (int i = 0; i < table.getChildCount(); i++) {
348 TableRow row = (TableRow) table.getChildAt(i);
350 TextView acc_name_v = (TextView) row.getChildAt(0);
351 TextView amount_v = (TextView) row.getChildAt(1);
352 String amt = String.valueOf(amount_v.getText());
353 String acc_name = String.valueOf(acc_name_v.getText());
354 acc_name = acc_name.trim();
356 if (!acc_name.isEmpty()) {
359 if (!amt.isEmpty()) {
360 accounts_with_values++;
366 amount_v.setHint(String.format("%1.2f", 0f));
367 if (empty_amount == null) {
368 empty_amount = amount_v;
369 single_empty_amount = true;
370 single_empty_amount_has_account = !acc_name.isEmpty();
372 else if (!acc_name.isEmpty()) single_empty_amount = false;
376 if (!acc_name.isEmpty()) amounts_with_accounts++;
377 running_total += Float.valueOf(amt);
381 if ((empty_rows == 0) &&
382 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
384 do_add_account_row(false);
387 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
388 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
389 "single_empty_with_acc=%s", accounts,
390 accounts_with_values, amounts_with_accounts, amounts, running_total,
391 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
393 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
394 (amounts_with_accounts == amounts) &&
395 (single_empty_amount && single_empty_amount_has_account || is_zero(running_total)))
397 if (mSave != null) mSave.setVisible(true);
399 else if (mSave != null) mSave.setVisible(false);
401 if (single_empty_amount) {
402 empty_amount.setHint(String.format("%1.2f",
403 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
407 catch (NumberFormatException e) {
408 if (mSave != null) mSave.setVisible(false);
410 catch (Exception e) {
412 if (mSave != null) mSave.setVisible(false);
417 public void done(String error) {
418 progress.setVisibility(View.INVISIBLE);
419 Log.d("visuals", "hiding progress");
421 if (error == null) reset_form();
422 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
423 BaseTransientBottomBar.LENGTH_LONG).show();
425 toggle_all_editing(true);
426 check_transaction_submittable();
429 private void reset_form() {
430 text_date.setText("");
431 text_descr.setText("");
433 text_descr.requestFocus();
435 while (table.getChildCount() > 2) {
436 table.removeViewAt(2);
438 for (int i = 0; i < 2; i++) {
439 TableRow tr = (TableRow) table.getChildAt(i);
440 if (tr == null) break;
442 ((TextView) tr.getChildAt(0)).setText("");
443 ((TextView) tr.getChildAt(1)).setText("");