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;
44 import android.widget.Toast;
46 import net.ktnx.mobileledger.R;
47 import net.ktnx.mobileledger.async.SaveTransactionTask;
48 import net.ktnx.mobileledger.async.TaskCallback;
49 import net.ktnx.mobileledger.model.Data;
50 import net.ktnx.mobileledger.model.LedgerTransaction;
51 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
52 import net.ktnx.mobileledger.ui.DatePickerFragment;
53 import net.ktnx.mobileledger.ui.OnSwipeTouchListener;
54 import net.ktnx.mobileledger.utils.Globals;
55 import net.ktnx.mobileledger.utils.MLDB;
57 import java.text.ParseException;
58 import java.util.Date;
59 import java.util.Objects;
62 * TODO: nicer progress while transaction is submitted
64 * TODO: get rid of the custom session/cookie and auth code?
65 * (the last problem with the POST was the missing content-length header)
67 * TODO: nicer swiping removal with visual feedback
69 * TODO: update accounts/check settings upon change of backend settings
72 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
73 private static SaveTransactionTask saver;
74 private TableLayout table;
75 private ProgressBar progress;
76 private TextView tvDate;
77 private AutoCompleteTextView tvDescription;
78 private MenuItem mSave;
79 private static boolean isZero(float f) {
80 return (f < 0.005) && (f > -0.005);
83 protected void onCreate(Bundle savedInstanceState) {
84 super.onCreate(savedInstanceState);
85 setContentView(R.layout.activity_new_transaction);
86 Toolbar toolbar = findViewById(R.id.toolbar);
87 setSupportActionBar(toolbar);
88 toolbar.setSubtitle(Data.profile.get().getName());
90 tvDate = findViewById(R.id.new_transaction_date);
91 tvDate.setOnFocusChangeListener((v, hasFocus) -> {
92 if (hasFocus) pickTransactionDate(v);
94 tvDescription = findViewById(R.id.new_transaction_description);
95 MLDB.hookAutocompletionAdapter(this, tvDescription, MLDB.DESCRIPTION_HISTORY_TABLE,
96 "description", false, findViewById(R.id.new_transaction_acc_1));
97 hookTextChangeListener(tvDescription);
99 progress = findViewById(R.id.save_transaction_progress);
101 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
102 table = findViewById(R.id.new_transaction_accounts_table);
103 for (int i = 0; i < table.getChildCount(); i++) {
104 TableRow row = (TableRow) table.getChildAt(i);
105 AutoCompleteTextView tvAccountName = (AutoCompleteTextView) row.getChildAt(0);
106 TextView tvAmount = (TextView) row.getChildAt(1);
107 hookSwipeListener(row);
108 MLDB.hookAutocompletionAdapter(this, tvAccountName, MLDB.ACCOUNTS_TABLE, "name", true,
110 hookTextChangeListener(tvAccountName);
111 hookTextChangeListener(tvAmount);
112 // Log.d("swipe", "hooked to row "+i);
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 protected void onStart() {
134 if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
136 public void saveTransaction() {
137 if (mSave != null) mSave.setVisible(false);
138 toggleAllEditing(false);
139 progress.setVisibility(View.VISIBLE);
142 saver = new SaveTransactionTask(this);
144 String dateString = tvDate.getText().toString();
146 if (dateString.isEmpty()) date = new Date();
147 else date = Globals.parseLedgerDate(dateString);
148 LedgerTransaction tr = new LedgerTransaction(date, tvDescription.getText().toString());
150 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
151 for (int i = 0; i < table.getChildCount(); i++) {
152 TableRow row = (TableRow) table.getChildAt(i);
153 String acc = ((TextView) row.getChildAt(0)).getText().toString();
154 String amt = ((TextView) row.getChildAt(1)).getText().toString();
155 LedgerTransactionAccount item =
156 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
157 : new LedgerTransactionAccount(acc);
163 catch (ParseException e) {
164 Log.d("new-transaction", "Parse error", e);
165 Toast.makeText(this, getResources().getString(R.string.error_invalid_date),
166 Toast.LENGTH_LONG).show();
167 tvDate.requestFocus();
169 progress.setVisibility(View.GONE);
170 toggleAllEditing(true);
171 if (mSave != null) mSave.setVisible(true);
173 catch (Exception e) {
174 Log.d("new-transaction", "Unknown error", e);
176 progress.setVisibility(View.GONE);
177 toggleAllEditing(true);
178 if (mSave != null) mSave.setVisible(true);
181 private void toggleAllEditing(boolean enabled) {
182 tvDate.setEnabled(enabled);
183 tvDescription.setEnabled(enabled);
184 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
185 for (int i = 0; i < table.getChildCount(); i++) {
186 TableRow row = (TableRow) table.getChildAt(i);
187 for (int j = 0; j < row.getChildCount(); j++) {
188 row.getChildAt(j).setEnabled(enabled);
192 private void hookSwipeListener(final TableRow row) {
193 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
194 public void onSwipeLeft() {
195 // Log.d("swipe", "LEFT" + row.getId());
196 if (table.getChildCount() > 2) {
197 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
198 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
200 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : tvDescription;
202 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
204 if (next_acc == null) {
205 prev_amt.setNextFocusRightId(R.id.none);
206 prev_amt.setNextFocusForwardId(R.id.none);
207 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
210 prev_amt.setNextFocusRightId(next_acc.getId());
211 prev_amt.setNextFocusForwardId(next_acc.getId());
212 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
215 if (row.hasFocus()) {
216 if (next_acc != null) next_acc.requestFocus();
217 else prev_amt.requestFocus();
220 table.removeView(row);
221 check_transaction_submittable();
222 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
225 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
226 Snackbar.LENGTH_LONG).setAction("Action", null).show();
230 // public boolean performClick(View view, MotionEvent m) {
233 public boolean onTouch(View view, MotionEvent m) {
234 return gestureDetector.onTouchEvent(m);
239 public boolean onCreateOptionsMenu(Menu menu) {
240 // Inflate the menu; this adds items to the action bar if it is present.
241 getMenuInflater().inflate(R.menu.new_transaction, menu);
242 mSave = menu.findItem(R.id.action_submit_transaction);
243 if (mSave == null) throw new AssertionError();
245 check_transaction_submittable();
250 public void pickTransactionDate(View view) {
251 DialogFragment picker = new DatePickerFragment();
252 picker.show(getSupportFragmentManager(), "datePicker");
255 public int dp2px(float dp) {
256 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
257 getResources().getDisplayMetrics()));
259 private void hookTextChangeListener(final TextView view) {
260 view.addTextChangedListener(new TextWatcher() {
262 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
267 public void onTextChanged(CharSequence s, int start, int before, int count) {
272 public void afterTextChanged(Editable s) {
273 // Log.d("input", "text changed");
274 check_transaction_submittable();
279 private void doAddAccountRow(boolean focus) {
280 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
281 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
282 TableRow.LayoutParams.WRAP_CONTENT, 9f));
283 acc.setHint(R.string.new_transaction_account_hint);
285 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
286 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
287 acc.setSingleLine(true);
289 final EditText amt = new EditText(this);
290 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
291 TableRow.LayoutParams.MATCH_PARENT, 1f));
292 amt.setHint(R.string.new_transaction_amount_hint);
294 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
295 InputType.TYPE_NUMBER_FLAG_DECIMAL);
296 amt.setMinWidth(dp2px(40));
297 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
298 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
300 // forward navigation support
301 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
302 final TextView last_amt = (TextView) last_row.getChildAt(1);
303 last_amt.setNextFocusForwardId(acc.getId());
304 last_amt.setNextFocusRightId(acc.getId());
305 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
306 acc.setNextFocusForwardId(amt.getId());
307 acc.setNextFocusRightId(amt.getId());
309 final TableRow row = new TableRow(this);
310 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
311 TableRow.LayoutParams.MATCH_PARENT));
312 row.setGravity(Gravity.BOTTOM);
317 if (focus) acc.requestFocus();
319 hookSwipeListener(row);
320 MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
321 hookTextChangeListener(acc);
322 hookTextChangeListener(amt);
324 public void addTransactionAccountFromMenu(MenuItem item) {
325 doAddAccountRow(true);
327 public void resetTransactionFromMenu(MenuItem item) {
330 public void saveTransactionFromMenu(MenuItem item) {
334 // 1) at least two account names
335 // 2) each amount must have account name
336 // 3) amounts must balance to 0, or
337 // 3a) there must be exactly one empty amount
338 // 4) empty accounts with empty amounts are ignored
339 // 5) a row with an empty account name or empty amount is guaranteed to exist
340 @SuppressLint("DefaultLocale")
341 private void check_transaction_submittable() {
342 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
344 int accounts_with_values = 0;
346 int amounts_with_accounts = 0;
348 TextView empty_amount = null;
349 boolean single_empty_amount = false;
350 boolean single_empty_amount_has_account = false;
351 float running_total = 0f;
352 boolean have_description =
353 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
357 for (int i = 0; i < table.getChildCount(); i++) {
358 TableRow row = (TableRow) table.getChildAt(i);
360 TextView acc_name_v = (TextView) row.getChildAt(0);
361 TextView amount_v = (TextView) row.getChildAt(1);
362 String amt = String.valueOf(amount_v.getText());
363 String acc_name = String.valueOf(acc_name_v.getText());
364 acc_name = acc_name.trim();
366 if (!acc_name.isEmpty()) {
369 if (!amt.isEmpty()) {
370 accounts_with_values++;
376 amount_v.setHint(String.format("%1.2f", 0f));
377 if (empty_amount == null) {
378 empty_amount = amount_v;
379 single_empty_amount = true;
380 single_empty_amount_has_account = !acc_name.isEmpty();
382 else if (!acc_name.isEmpty()) single_empty_amount = false;
386 if (!acc_name.isEmpty()) amounts_with_accounts++;
387 running_total += Float.valueOf(amt);
391 if ((empty_rows == 0) &&
392 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
394 doAddAccountRow(false);
397 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
398 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
399 "single_empty_with_acc=%s", accounts,
400 accounts_with_values, amounts_with_accounts, amounts, running_total,
401 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
403 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
404 (amounts_with_accounts == amounts) &&
405 (single_empty_amount && single_empty_amount_has_account || isZero(running_total)))
407 if (mSave != null) mSave.setVisible(true);
409 else if (mSave != null) mSave.setVisible(false);
411 if (single_empty_amount) {
412 empty_amount.setHint(String.format("%1.2f",
413 (Math.abs(running_total) > 0.005) ? -running_total : 0f));
417 catch (NumberFormatException e) {
418 if (mSave != null) mSave.setVisible(false);
420 catch (Exception e) {
422 if (mSave != null) mSave.setVisible(false);
427 public void done(String error) {
428 progress.setVisibility(View.INVISIBLE);
429 Log.d("visuals", "hiding progress");
431 if (error == null) resetForm();
432 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
433 BaseTransientBottomBar.LENGTH_LONG).show();
435 toggleAllEditing(true);
436 check_transaction_submittable();
439 private void resetForm() {
441 tvDescription.setText("");
443 tvDescription.requestFocus();
445 while (table.getChildCount() > 2) {
446 table.removeViewAt(2);
448 for (int i = 0; i < 2; i++) {
449 TableRow tr = (TableRow) table.getChildAt(i);
450 if (tr == null) break;
452 ((TextView) tr.getChildAt(0)).setText("");
453 ((TextView) tr.getChildAt(1)).setText("");