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.Globals;
53 import net.ktnx.mobileledger.utils.MLDB;
55 import java.util.Date;
56 import java.util.Objects;
59 * TODO: nicer progress while transaction is submitted
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 tvDate;
74 private AutoCompleteTextView tvDescription;
75 private MenuItem mSave;
76 private static boolean isZero(float f) {
77 return (f < 0.005) && (f > -0.005);
80 protected void onCreate(Bundle savedInstanceState) {
81 super.onCreate(savedInstanceState);
82 setContentView(R.layout.activity_new_transaction);
83 Toolbar toolbar = findViewById(R.id.toolbar);
84 setSupportActionBar(toolbar);
86 tvDate = findViewById(R.id.new_transaction_date);
87 tvDate.setOnFocusChangeListener((v, hasFocus) -> {
88 if (hasFocus) pickTransactionDate(v);
90 tvDescription = findViewById(R.id.new_transaction_description);
91 MLDB.hookAutocompletionAdapter(this, tvDescription, MLDB.DESCRIPTION_HISTORY_TABLE,
92 "description", false, findViewById(R.id.new_transaction_acc_1));
93 hookTextChangeListener(tvDescription);
95 progress = findViewById(R.id.save_transaction_progress);
97 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
98 table = findViewById(R.id.new_transaction_accounts_table);
99 for (int i = 0; i < table.getChildCount(); i++) {
100 TableRow row = (TableRow) table.getChildAt(i);
101 AutoCompleteTextView tvAccountName = (AutoCompleteTextView) row.getChildAt(0);
102 TextView tvAmount = (TextView) row.getChildAt(1);
103 hookSwipeListener(row);
104 MLDB.hookAutocompletionAdapter(this, tvAccountName, MLDB.ACCOUNTS_TABLE, "name", true,
106 hookTextChangeListener(tvAccountName);
107 hookTextChangeListener(tvAmount);
108 // Log.d("swipe", "hooked to row "+i);
113 public void finish() {
115 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
119 public boolean onOptionsItemSelected(MenuItem item) {
120 switch (item.getItemId()) {
121 case android.R.id.home:
125 return super.onOptionsItemSelected(item);
128 protected void onStart() {
130 if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
132 public void saveTransaction() {
133 if (mSave != null) mSave.setVisible(false);
134 toggleAllEditing(false);
135 progress.setVisibility(View.VISIBLE);
137 saver = new SaveTransactionTask(this);
139 String dateString = tvDate.getText().toString();
141 if (dateString.isEmpty()) date = new Date();
142 else date = Globals.parseLedgerDate(dateString);
143 LedgerTransaction tr = new LedgerTransaction(date, tvDescription.getText().toString());
145 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
146 for (int i = 0; i < table.getChildCount(); i++) {
147 TableRow row = (TableRow) table.getChildAt(i);
148 String acc = ((TextView) row.getChildAt(0)).getText().toString();
149 String amt = ((TextView) row.getChildAt(1)).getText().toString();
150 LedgerTransactionAccount item =
151 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
152 : new LedgerTransactionAccount(acc);
158 private void toggleAllEditing(boolean enabled) {
159 tvDate.setEnabled(enabled);
160 tvDescription.setEnabled(enabled);
161 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
162 for (int i = 0; i < table.getChildCount(); i++) {
163 TableRow row = (TableRow) table.getChildAt(i);
164 for (int j = 0; j < row.getChildCount(); j++) {
165 row.getChildAt(j).setEnabled(enabled);
169 private void hookSwipeListener(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) : tvDescription;
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 public boolean onCreateOptionsMenu(Menu menu) {
217 // Inflate the menu; this adds items to the action bar if it is present.
218 getMenuInflater().inflate(R.menu.new_transaction, menu);
219 mSave = menu.findItem(R.id.action_submit_transaction);
220 if (mSave == null) throw new AssertionError();
222 check_transaction_submittable();
227 public void pickTransactionDate(View view) {
228 DialogFragment picker = new DatePickerFragment();
229 picker.show(getSupportFragmentManager(), "datePicker");
232 public int dp2px(float dp) {
233 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
234 getResources().getDisplayMetrics()));
236 private void hookTextChangeListener(final TextView view) {
237 view.addTextChangedListener(new TextWatcher() {
239 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
244 public void onTextChanged(CharSequence s, int start, int before, int count) {
249 public void afterTextChanged(Editable s) {
250 // Log.d("input", "text changed");
251 check_transaction_submittable();
256 private void doAddAccountRow(boolean focus) {
257 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
258 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
259 TableRow.LayoutParams.WRAP_CONTENT, 9f));
260 acc.setHint(R.string.new_transaction_account_hint);
262 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
263 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
264 acc.setSingleLine(true);
266 final EditText amt = new EditText(this);
267 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
268 TableRow.LayoutParams.MATCH_PARENT, 1f));
269 amt.setHint(R.string.new_transaction_amount_hint);
271 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
272 InputType.TYPE_NUMBER_FLAG_DECIMAL);
273 amt.setMinWidth(dp2px(40));
274 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
275 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
277 // forward navigation support
278 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
279 final TextView last_amt = (TextView) last_row.getChildAt(1);
280 last_amt.setNextFocusForwardId(acc.getId());
281 last_amt.setNextFocusRightId(acc.getId());
282 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
283 acc.setNextFocusForwardId(amt.getId());
284 acc.setNextFocusRightId(amt.getId());
286 final TableRow row = new TableRow(this);
287 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
288 TableRow.LayoutParams.MATCH_PARENT));
289 row.setGravity(Gravity.BOTTOM);
294 if (focus) acc.requestFocus();
296 hookSwipeListener(row);
297 MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
298 hookTextChangeListener(acc);
299 hookTextChangeListener(amt);
301 public void addTransactionAccountFromMenu(MenuItem item) {
302 doAddAccountRow(true);
304 public void resetTransactionFromMenu(MenuItem item) {
307 public void saveTransactionFromMenu(MenuItem item) {
311 // 1) at least two account names
312 // 2) each amount must have account name
313 // 3) amounts must balance to 0, or
314 // 3a) there must be exactly one empty amount
315 // 4) empty accounts with empty amounts are ignored
316 // 5) a row with an empty account name or empty amount is guaranteed to exist
317 @SuppressLint("DefaultLocale")
318 private void check_transaction_submittable() {
319 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
321 int accounts_with_values = 0;
323 int amounts_with_accounts = 0;
325 TextView empty_amount = null;
326 boolean single_empty_amount = false;
327 boolean single_empty_amount_has_account = false;
328 float running_total = 0f;
329 boolean have_description =
330 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
334 for (int i = 0; i < table.getChildCount(); i++) {
335 TableRow row = (TableRow) table.getChildAt(i);
337 TextView acc_name_v = (TextView) row.getChildAt(0);
338 TextView amount_v = (TextView) row.getChildAt(1);
339 String amt = String.valueOf(amount_v.getText());
340 String acc_name = String.valueOf(acc_name_v.getText());
341 acc_name = acc_name.trim();
343 if (!acc_name.isEmpty()) {
346 if (!amt.isEmpty()) {
347 accounts_with_values++;
353 amount_v.setHint(String.format("%1.2f", 0f));
354 if (empty_amount == null) {
355 empty_amount = amount_v;
356 single_empty_amount = true;
357 single_empty_amount_has_account = !acc_name.isEmpty();
359 else if (!acc_name.isEmpty()) single_empty_amount = false;
363 if (!acc_name.isEmpty()) amounts_with_accounts++;
364 running_total += Float.valueOf(amt);
368 if ((empty_rows == 0) &&
369 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
371 doAddAccountRow(false);
374 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
375 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
376 "single_empty_with_acc=%s", accounts,
377 accounts_with_values, amounts_with_accounts, amounts, running_total,
378 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
380 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
381 (amounts_with_accounts == amounts) &&
382 (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
384 if (mSave != null) mSave.setVisible(true);
386 else if (mSave != null) mSave.setVisible(false);
388 if (single_empty_amount) {
389 empty_amount.setHint(String.format("%1.2f",
390 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
394 catch (NumberFormatException e) {
395 if (mSave != null) mSave.setVisible(false);
397 catch (Exception e) {
399 if (mSave != null) mSave.setVisible(false);
404 public void done(String error) {
405 progress.setVisibility(View.INVISIBLE);
406 Log.d("visuals", "hiding progress");
408 if (error == null) resetForm();
409 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
410 BaseTransientBottomBar.LENGTH_LONG).show();
412 toggleAllEditing(true);
413 check_transaction_submittable();
416 private void resetForm() {
418 tvDescription.setText("");
420 tvDescription.requestFocus();
422 while (table.getChildCount() > 2) {
423 table.removeViewAt(2);
425 for (int i = 0; i < 2; i++) {
426 TableRow tr = (TableRow) table.getChildAt(i);
427 if (tr == null) break;
429 ((TextView) tr.getChildAt(0)).setText("");
430 ((TextView) tr.getChildAt(1)).setText("");