2 * Copyright © 2018 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;
20 import android.annotation.SuppressLint;
21 import android.annotation.TargetApi;
22 import android.database.Cursor;
23 import android.database.MatrixCursor;
24 import android.database.sqlite.SQLiteDatabase;
25 import android.os.Build;
26 import android.os.Bundle;
27 import android.preference.PreferenceManager;
28 import android.provider.FontsContract;
29 import android.support.design.widget.BaseTransientBottomBar;
30 import android.support.design.widget.Snackbar;
31 import android.support.v4.app.DialogFragment;
32 import android.support.v7.app.AppCompatActivity;
33 import android.support.v7.widget.Toolbar;
34 import android.text.Editable;
35 import android.text.InputType;
36 import android.text.TextWatcher;
37 import android.util.Log;
38 import android.util.TypedValue;
39 import android.view.Gravity;
40 import android.view.Menu;
41 import android.view.MenuItem;
42 import android.view.MotionEvent;
43 import android.view.View;
44 import android.view.inputmethod.EditorInfo;
45 import android.widget.AutoCompleteTextView;
46 import android.widget.EditText;
47 import android.widget.FilterQueryProvider;
48 import android.widget.ProgressBar;
49 import android.widget.SimpleCursorAdapter;
50 import android.widget.TableLayout;
51 import android.widget.TableRow;
52 import android.widget.TextView;
54 import net.ktnx.mobileledger.async.SaveTransactionTask;
55 import net.ktnx.mobileledger.async.TaskCallback;
56 import net.ktnx.mobileledger.model.LedgerTransaction;
57 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
58 import net.ktnx.mobileledger.ui.DatePickerFragment;
59 import net.ktnx.mobileledger.utils.MLDB;
61 import java.util.Date;
62 import java.util.Objects;
65 * TODO: nicer progress while transaction is submitted
66 * TODO: latest transactions, maybe with browsing further in the past?
68 * TODO: get rid of the custom session/cookie and auth code?
69 * (the last problem with the POST was the missing content-length header)
71 * TODO: nicer swiping removal with visual feedback
73 * TODO: update accounts/check settings upon change of backend settings
76 public class NewTransactionActivity extends AppCompatActivity implements TaskCallback {
77 private static SaveTransactionTask saver;
78 private TableLayout table;
79 private ProgressBar progress;
80 private TextView text_date;
81 private AutoCompleteTextView text_descr;
82 private MenuItem mSave;
85 protected void onCreate(Bundle savedInstanceState) {
86 super.onCreate(savedInstanceState);
87 setContentView(R.layout.activity_new_transaction);
88 Toolbar toolbar = findViewById(R.id.toolbar);
89 setSupportActionBar(toolbar);
91 text_date = findViewById(R.id.new_transaction_date);
92 text_date.setOnFocusChangeListener(new View.OnFocusChangeListener() {
94 public void onFocusChange(View v, boolean hasFocus) {
95 if (hasFocus) pickTransactionDate(v);
98 text_descr = findViewById(R.id.new_transaction_description);
99 hook_autocompletion_adapter(text_descr, MLDB.DESCRIPTION_HISTORY_TABLE, "description");
100 hook_text_change_listener(text_descr);
102 progress = findViewById(R.id.save_transaction_progress);
104 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
105 table = findViewById(R.id.new_transaction_accounts_table);
106 for (int i = 0; i < table.getChildCount(); i++) {
107 TableRow row = (TableRow) table.getChildAt(i);
108 AutoCompleteTextView acc_name_view = (AutoCompleteTextView) row.getChildAt(0);
109 TextView amount_view = (TextView) row.getChildAt(1);
110 hook_swipe_listener(row);
111 hook_autocompletion_adapter(acc_name_view, MLDB.ACCOUNTS_TABLE, "name");
112 hook_text_change_listener(acc_name_view);
113 hook_text_change_listener(amount_view);
114 // Log.d("swipe", "hooked to row "+i);
119 protected void onStart() {
121 if (text_descr.getText().toString().isEmpty()) text_descr.requestFocus();
125 public void finish() {
127 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
131 public boolean onOptionsItemSelected(MenuItem item) {
132 switch (item.getItemId()) {
133 case android.R.id.home:
137 return super.onOptionsItemSelected(item);
140 public void save_transaction() {
141 if (mSave != null) mSave.setVisible(false);
142 toggle_all_editing(false);
143 progress.setVisibility(View.VISIBLE);
145 saver = new SaveTransactionTask(this);
147 saver.setPref(PreferenceManager.getDefaultSharedPreferences(this));
148 String date = text_date.getText().toString();
149 if (date.isEmpty()) date = String.valueOf(new Date().getDate());
150 LedgerTransaction tr = new LedgerTransaction(date, text_descr.getText().toString());
152 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
153 for (int i = 0; i < table.getChildCount(); i++) {
154 TableRow row = (TableRow) table.getChildAt(i);
155 String acc = ((TextView) row.getChildAt(0)).getText().toString();
156 String amt = ((TextView) row.getChildAt(1)).getText().toString();
157 LedgerTransactionAccount item =
158 amt.length() > 0 ? new LedgerTransactionAccount(acc, Float.parseFloat(amt))
159 : new LedgerTransactionAccount(acc);
166 private void toggle_all_editing(boolean enabled) {
167 text_date.setEnabled(enabled);
168 text_descr.setEnabled(enabled);
169 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
170 for (int i = 0; i < table.getChildCount(); i++) {
171 TableRow row = (TableRow) table.getChildAt(i);
172 for (int j = 0; j < row.getChildCount(); j++) {
173 row.getChildAt(j).setEnabled(enabled);
178 private void hook_swipe_listener(final TableRow row) {
179 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
180 public void onSwipeLeft() {
181 // Log.d("swipe", "LEFT" + row.getId());
182 if (table.getChildCount() > 2) {
183 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
184 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
186 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : text_descr;
188 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
190 if (next_acc == null) {
191 prev_amt.setNextFocusRightId(R.id.none);
192 prev_amt.setNextFocusForwardId(R.id.none);
193 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
196 prev_amt.setNextFocusRightId(next_acc.getId());
197 prev_amt.setNextFocusForwardId(next_acc.getId());
198 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
201 if (row.hasFocus()) {
202 if (next_acc != null) next_acc.requestFocus();
203 else prev_amt.requestFocus();
206 table.removeView(row);
207 check_transaction_submittable();
208 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
211 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
212 Snackbar.LENGTH_LONG).setAction("Action", null).show();
216 // public boolean performClick(View view, MotionEvent m) {
219 public boolean onTouch(View view, MotionEvent m) {
220 return gestureDetector.onTouchEvent(m);
225 private void hook_text_change_listener(final TextView view) {
226 view.addTextChangedListener(new TextWatcher() {
228 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
233 public void onTextChanged(CharSequence s, int start, int before, int count) {
238 public void afterTextChanged(Editable s) {
239 // Log.d("input", "text changed");
240 check_transaction_submittable();
246 @TargetApi(Build.VERSION_CODES.N)
247 private void hook_autocompletion_adapter(final AutoCompleteTextView view, final String table,
248 final String field) {
249 String[] from = {field};
250 int[] to = {android.R.id.text1};
251 SimpleCursorAdapter adapter =
252 new SimpleCursorAdapter(this, android.R.layout.simple_dropdown_item_1line, null,
254 adapter.setStringConversionColumn(1);
256 FilterQueryProvider provider = new FilterQueryProvider() {
258 public Cursor runQuery(CharSequence constraint) {
259 if (constraint == null) return null;
261 String str = constraint.toString().toUpperCase();
262 Log.d("autocompletion", "Looking for " + str);
263 String[] col_names = {FontsContract.Columns._ID, field};
264 MatrixCursor c = new MatrixCursor(col_names);
266 try (SQLiteDatabase db = MLDB.getReadableDatabase(getApplicationContext())) {
268 try (Cursor matches = db.rawQuery(String.format(
269 "SELECT %s as a, case when %s_upper LIKE ?||'%%' then 1 " +
270 "WHEN %s_upper LIKE '%%:'||?||'%%' then 2 " +
271 "WHEN %s_upper LIKE '%% '||?||'%%' then 3 " + "else 9 end " +
272 "FROM %s " + "WHERE %s_upper LIKE '%%'||?||'%%' " + "ORDER BY 2, 1;",
273 field, field, field, field, table, field),
274 new String[]{str, str, str, str}))
277 while (matches.moveToNext()) {
278 String match = matches.getString(0);
279 int order = matches.getInt(1);
280 Log.d("autocompletion", String.format("match: %s |%d", match, order));
281 c.newRow().add(i++).add(match);
291 adapter.setFilterQueryProvider(provider);
293 view.setAdapter(adapter);
296 public boolean onCreateOptionsMenu(Menu menu) {
297 // Inflate the menu; this adds items to the action bar if it is present.
298 getMenuInflater().inflate(R.menu.new_transaction, menu);
299 mSave = menu.findItem(R.id.action_submit_transaction);
300 if (mSave == null) throw new AssertionError();
302 check_transaction_submittable();
307 public void pickTransactionDate(View view) {
308 DialogFragment picker = new DatePickerFragment();
309 picker.show(getSupportFragmentManager(), "datePicker");
312 public int dp2px(float dp) {
313 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
314 getResources().getDisplayMetrics()));
317 private void do_add_account_row(boolean focus) {
318 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
319 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
320 TableRow.LayoutParams.WRAP_CONTENT, 9f));
321 acc.setHint(R.string.new_transaction_account_hint);
323 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
324 EditorInfo.IME_FLAG_NAVIGATE_NEXT);
325 acc.setSingleLine(true);
327 final EditText amt = new EditText(this);
328 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
329 TableRow.LayoutParams.MATCH_PARENT, 1f));
330 amt.setHint(R.string.new_transaction_amount_hint);
332 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED |
333 InputType.TYPE_NUMBER_FLAG_DECIMAL);
334 amt.setMinWidth(dp2px(40));
335 amt.setTextAlignment(EditText.TEXT_ALIGNMENT_VIEW_END);
336 amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
338 // forward navigation support
339 final TableRow last_row = (TableRow) table.getChildAt(table.getChildCount() - 1);
340 final TextView last_amt = (TextView) last_row.getChildAt(1);
341 last_amt.setNextFocusForwardId(acc.getId());
342 last_amt.setNextFocusRightId(acc.getId());
343 last_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
344 acc.setNextFocusForwardId(amt.getId());
345 acc.setNextFocusRightId(amt.getId());
347 final TableRow row = new TableRow(this);
348 row.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT,
349 TableRow.LayoutParams.MATCH_PARENT));
350 row.setGravity(Gravity.BOTTOM);
355 if (focus) acc.requestFocus();
357 hook_swipe_listener(row);
358 hook_autocompletion_adapter(acc, MLDB.ACCOUNTS_TABLE, "name");
359 hook_text_change_listener(acc);
360 hook_text_change_listener(amt);
363 public void addTransactionAccountFromMenu(MenuItem item) {
364 do_add_account_row(true);
367 public void resetTransactionFromMenu(MenuItem item) {
371 public void saveTransactionFromMenu(MenuItem item) {
375 private boolean is_zero(float f) {
376 return (f < 0.005) && (f > -0.005);
380 // 1) at least two account names
381 // 2) each amount must have account name
382 // 3) amounts must balance to 0, or
383 // 3a) there must be exactly one empty amount
384 // 4) empty accounts with empty amounts are ignored
385 // 5) a row with an empty account name or empty amount is guaranteed to exist
386 @SuppressLint("DefaultLocale")
387 private void check_transaction_submittable() {
388 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
390 int accounts_with_values = 0;
392 int amounts_with_accounts = 0;
394 TextView empty_amount = null;
395 boolean single_empty_amount = false;
396 boolean single_empty_amount_has_account = false;
397 float running_total = 0f;
398 boolean have_description =
399 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
403 for (int i = 0; i < table.getChildCount(); i++) {
404 TableRow row = (TableRow) table.getChildAt(i);
406 TextView acc_name_v = (TextView) row.getChildAt(0);
407 TextView amount_v = (TextView) row.getChildAt(1);
408 String amt = String.valueOf(amount_v.getText());
409 String acc_name = String.valueOf(acc_name_v.getText());
410 acc_name = acc_name.trim();
412 if (!acc_name.isEmpty()) {
415 if (!amt.isEmpty()) {
416 accounts_with_values++;
422 amount_v.setHint(String.format("%1.2f", 0f));
423 if (empty_amount == null) {
424 empty_amount = amount_v;
425 single_empty_amount = true;
426 single_empty_amount_has_account = !acc_name.isEmpty();
428 else if (!acc_name.isEmpty()) single_empty_amount = false;
432 if (!acc_name.isEmpty()) amounts_with_accounts++;
433 running_total += Float.valueOf(amt);
437 if ((empty_rows == 0) &&
438 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
440 do_add_account_row(false);
443 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, " +
444 "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, " +
445 "single_empty_with_acc=%s", accounts,
446 accounts_with_values, amounts_with_accounts, amounts, running_total,
447 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
449 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) &&
450 (amounts_with_accounts == amounts) &&
451 (single_empty_amount && single_empty_amount_has_account || is_zero(running_total)))
453 if (mSave != null) mSave.setVisible(true);
455 else if (mSave != null) mSave.setVisible(false);
457 if (single_empty_amount) {
459 .setHint(String.format("%1.2f", (running_total > 0) ? -running_total : 0f));
463 catch (NumberFormatException e) {
464 if (mSave != null) mSave.setVisible(false);
466 catch (Exception e) {
468 if (mSave != null) mSave.setVisible(false);
473 public void done(String error) {
474 progress.setVisibility(View.INVISIBLE);
475 Log.d("visuals", "hiding progress");
477 if (error == null) reset_form();
478 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
479 BaseTransientBottomBar.LENGTH_LONG).show();
481 toggle_all_editing(true);
482 check_transaction_submittable();
485 private void reset_form() {
486 text_date.setText("");
487 text_descr.setText("");
489 text_descr.requestFocus();
491 while (table.getChildCount() > 2) {
492 table.removeViewAt(2);
494 for (int i = 0; i < 2; i++) {
495 TableRow tr = (TableRow) table.getChildAt(i);
496 if (tr == null) break;
498 ((TextView) tr.getChildAt(0)).setText("");
499 ((TextView) tr.getChildAt(1)).setText("");