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 tvDate;
73 private AutoCompleteTextView tvDescription;
74 private MenuItem mSave;
75 private static boolean isZero(float f) {
76 return (f < 0.005) && (f > -0.005);
79 protected void onCreate(Bundle savedInstanceState) {
80 super.onCreate(savedInstanceState);
81 setContentView(R.layout.activity_new_transaction);
82 Toolbar toolbar = findViewById(R.id.toolbar);
83 setSupportActionBar(toolbar);
85 tvDate = findViewById(R.id.new_transaction_date);
86 tvDate.setOnFocusChangeListener((v, hasFocus) -> {
87 if (hasFocus) pickTransactionDate(v);
89 tvDescription = findViewById(R.id.new_transaction_description);
90 MLDB.hookAutocompletionAdapter(this, tvDescription, MLDB.DESCRIPTION_HISTORY_TABLE,
91 "description", false, findViewById(R.id.new_transaction_acc_1));
92 hookTextChangeListener(tvDescription);
94 progress = findViewById(R.id.save_transaction_progress);
96 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
97 table = findViewById(R.id.new_transaction_accounts_table);
98 for (int i = 0; i < table.getChildCount(); i++) {
99 TableRow row = (TableRow) table.getChildAt(i);
100 AutoCompleteTextView tvAccountName = (AutoCompleteTextView) row.getChildAt(0);
101 TextView tvAmount = (TextView) row.getChildAt(1);
102 hookSwipeListener(row);
103 MLDB.hookAutocompletionAdapter(this, tvAccountName, MLDB.ACCOUNTS_TABLE, "name", true,
105 hookTextChangeListener(tvAccountName);
106 hookTextChangeListener(tvAmount);
107 // Log.d("swipe", "hooked to row "+i);
112 public void finish() {
114 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
118 public boolean onOptionsItemSelected(MenuItem item) {
119 switch (item.getItemId()) {
120 case android.R.id.home:
124 return super.onOptionsItemSelected(item);
127 protected void onStart() {
129 if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
131 public void saveTransaction() {
132 if (mSave != null) mSave.setVisible(false);
133 toggleAllEditing(false);
134 progress.setVisibility(View.VISIBLE);
136 saver = new SaveTransactionTask(this);
138 String date = tvDate.getText().toString();
139 if (date.isEmpty()) date = String.valueOf(new Date().getDate());
140 LedgerTransaction tr = new LedgerTransaction(date, tvDescription.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);
155 private void toggleAllEditing(boolean enabled) {
156 tvDate.setEnabled(enabled);
157 tvDescription.setEnabled(enabled);
158 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
159 for (int i = 0; i < table.getChildCount(); i++) {
160 TableRow row = (TableRow) table.getChildAt(i);
161 for (int j = 0; j < row.getChildCount(); j++) {
162 row.getChildAt(j).setEnabled(enabled);
166 private void hookSwipeListener(final TableRow row) {
167 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
168 public void onSwipeLeft() {
169 // Log.d("swipe", "LEFT" + row.getId());
170 if (table.getChildCount() > 2) {
171 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
172 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
174 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : tvDescription;
176 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
178 if (next_acc == null) {
179 prev_amt.setNextFocusRightId(R.id.none);
180 prev_amt.setNextFocusForwardId(R.id.none);
181 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
184 prev_amt.setNextFocusRightId(next_acc.getId());
185 prev_amt.setNextFocusForwardId(next_acc.getId());
186 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
189 if (row.hasFocus()) {
190 if (next_acc != null) next_acc.requestFocus();
191 else prev_amt.requestFocus();
194 table.removeView(row);
195 check_transaction_submittable();
196 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
199 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
200 Snackbar.LENGTH_LONG).setAction("Action", null).show();
204 // public boolean performClick(View view, MotionEvent m) {
207 public boolean onTouch(View view, MotionEvent m) {
208 return gestureDetector.onTouchEvent(m);
213 public boolean onCreateOptionsMenu(Menu menu) {
214 // Inflate the menu; this adds items to the action bar if it is present.
215 getMenuInflater().inflate(R.menu.new_transaction, menu);
216 mSave = menu.findItem(R.id.action_submit_transaction);
217 if (mSave == null) throw new AssertionError();
219 check_transaction_submittable();
224 public void pickTransactionDate(View view) {
225 DialogFragment picker = new DatePickerFragment();
226 picker.show(getSupportFragmentManager(), "datePicker");
229 public int dp2px(float dp) {
230 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
231 getResources().getDisplayMetrics()));
233 private void hookTextChangeListener(final TextView view) {
234 view.addTextChangedListener(new TextWatcher() {
236 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
241 public void onTextChanged(CharSequence s, int start, int before, int count) {
246 public void afterTextChanged(Editable s) {
247 // Log.d("input", "text changed");
248 check_transaction_submittable();
253 private void doAddAccountRow(boolean focus) {
254 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
255 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
256 TableRow.LayoutParams.WRAP_CONTENT, 9f));
257 acc.setHint(R.string.new_transaction_account_hint);
259 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
260 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
261 acc.setSingleLine(true);
263 final EditText amt = new EditText(this);
264 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
265 TableRow.LayoutParams.MATCH_PARENT, 1f));
266 amt.setHint(R.string.new_transaction_amount_hint);
268 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
269 InputType.TYPE_NUMBER_FLAG_DECIMAL);
270 amt.setMinWidth(dp2px(40));
271 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
272 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
274 // forward navigation support
275 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
276 final TextView last_amt = (TextView) last_row.getChildAt(1);
277 last_amt.setNextFocusForwardId(acc.getId());
278 last_amt.setNextFocusRightId(acc.getId());
279 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
280 acc.setNextFocusForwardId(amt.getId());
281 acc.setNextFocusRightId(amt.getId());
283 final TableRow row = new TableRow(this);
284 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
285 TableRow.LayoutParams.MATCH_PARENT));
286 row.setGravity(Gravity.BOTTOM);
291 if (focus) acc.requestFocus();
293 hookSwipeListener(row);
294 MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
295 hookTextChangeListener(acc);
296 hookTextChangeListener(amt);
298 public void addTransactionAccountFromMenu(MenuItem item) {
299 doAddAccountRow(true);
301 public void resetTransactionFromMenu(MenuItem item) {
304 public void saveTransactionFromMenu(MenuItem item) {
308 // 1) at least two account names
309 // 2) each amount must have account name
310 // 3) amounts must balance to 0, or
311 // 3a) there must be exactly one empty amount
312 // 4) empty accounts with empty amounts are ignored
313 // 5) a row with an empty account name or empty amount is guaranteed to exist
314 @SuppressLint("DefaultLocale")
315 private void check_transaction_submittable() {
316 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
318 int accounts_with_values = 0;
320 int amounts_with_accounts = 0;
322 TextView empty_amount = null;
323 boolean single_empty_amount = false;
324 boolean single_empty_amount_has_account = false;
325 float running_total = 0f;
326 boolean have_description =
327 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
331 for (int i = 0; i < table.getChildCount(); i++) {
332 TableRow row = (TableRow) table.getChildAt(i);
334 TextView acc_name_v = (TextView) row.getChildAt(0);
335 TextView amount_v = (TextView) row.getChildAt(1);
336 String amt = String.valueOf(amount_v.getText());
337 String acc_name = String.valueOf(acc_name_v.getText());
338 acc_name = acc_name.trim();
340 if (!acc_name.isEmpty()) {
343 if (!amt.isEmpty()) {
344 accounts_with_values++;
350 amount_v.setHint(String.format("%1.2f", 0f));
351 if (empty_amount == null) {
352 empty_amount = amount_v;
353 single_empty_amount = true;
354 single_empty_amount_has_account = !acc_name.isEmpty();
356 else if (!acc_name.isEmpty()) single_empty_amount = false;
360 if (!acc_name.isEmpty()) amounts_with_accounts++;
361 running_total += Float.valueOf(amt);
365 if ((empty_rows == 0) &&
366 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
368 doAddAccountRow(false);
371 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
372 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
373 "single_empty_with_acc=%s", accounts,
374 accounts_with_values, amounts_with_accounts, amounts, running_total,
375 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
377 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
378 (amounts_with_accounts == amounts) &&
379 (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
381 if (mSave != null) mSave.setVisible(true);
383 else if (mSave != null) mSave.setVisible(false);
385 if (single_empty_amount) {
386 empty_amount.setHint(String.format("%1.2f",
387 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
391 catch (NumberFormatException e) {
392 if (mSave != null) mSave.setVisible(false);
394 catch (Exception e) {
396 if (mSave != null) mSave.setVisible(false);
401 public void done(String error) {
402 progress.setVisibility(View.INVISIBLE);
403 Log.d("visuals", "hiding progress");
405 if (error == null) resetForm();
406 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
407 BaseTransientBottomBar.LENGTH_LONG).show();
409 toggleAllEditing(true);
410 check_transaction_submittable();
413 private void resetForm() {
415 tvDescription.setText("");
417 tvDescription.requestFocus();
419 while (table.getChildCount() > 2) {
420 table.removeViewAt(2);
422 for (int i = 0; i < 2; i++) {
423 TableRow tr = (TableRow) table.getChildAt(i);
424 if (tr == null) break;
426 ((TextView) tr.getChildAt(0)).setText("");
427 ((TextView) tr.getChildAt(1)).setText("");