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.LedgerTransactionItem;
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 TableLayout table;
78 private ProgressBar progress;
79 private TextView text_date;
80 private AutoCompleteTextView text_descr;
81 private static SaveTransactionTask saver;
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() {
95 void onFocusChange(View v, boolean hasFocus) {
96 if (hasFocus) pickTransactionDate(v);
99 text_descr = findViewById(R.id.new_transaction_description);
100 hook_autocompletion_adapter(text_descr, MLDB.DESCRIPTION_HISTORY_TABLE, "description");
101 hook_text_change_listener(text_descr);
103 progress = findViewById(R.id.save_transaction_progress);
105 Objects.requireNonNull(getSupportActionBar()).setDisplayHomeAsUpEnabled(true);
106 table = findViewById(R.id.new_transaction_accounts_table);
107 for (int i = 0; i < table.getChildCount(); i++) {
108 TableRow row = (TableRow) table.getChildAt(i);
109 AutoCompleteTextView acc_name_view = (AutoCompleteTextView) row.getChildAt(0);
110 TextView amount_view = (TextView) row.getChildAt(1);
111 hook_swipe_listener(row);
112 hook_autocompletion_adapter(acc_name_view, MLDB.ACCOUNTS_TABLE, "name");
113 hook_text_change_listener(acc_name_view);
114 hook_text_change_listener(amount_view);
115 // Log.d("swipe", "hooked to row "+i);
123 if (text_descr.getText().toString().isEmpty()) text_descr.requestFocus();
127 public void finish() {
129 overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
133 public boolean onOptionsItemSelected(MenuItem item) {
134 switch (item.getItemId()) {
135 case android.R.id.home:
139 return super.onOptionsItemSelected(item);
142 public void save_transaction() {
143 if (mSave != null) mSave.setVisible(false);
144 toggle_all_editing(false);
145 progress.setVisibility(View.VISIBLE);
147 saver = new SaveTransactionTask(this);
149 saver.setPref(PreferenceManager.getDefaultSharedPreferences(this));
150 String date = text_date.getText().toString();
151 if (date.isEmpty()) date = String.valueOf(new Date().getDate());
152 LedgerTransaction tr = new LedgerTransaction(date, text_descr.getText().toString());
154 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
155 for ( int i = 0; i < table.getChildCount(); i++ ) {
156 TableRow row = (TableRow) table.getChildAt(i);
157 String acc = ((TextView) row.getChildAt(0)).getText().toString();
158 String amt = ((TextView) row.getChildAt(1)).getText().toString();
159 LedgerTransactionItem item =
161 ? new LedgerTransactionItem( acc, Float.parseFloat(amt))
162 : new LedgerTransactionItem( acc );
169 private void toggle_all_editing(boolean enabled) {
170 text_date.setEnabled(enabled);
171 text_descr.setEnabled(enabled);
172 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
173 for (int i = 0; i < table.getChildCount(); i++) {
174 TableRow row = (TableRow) table.getChildAt(i);
175 for (int j = 0; j < row.getChildCount(); j++) {
176 row.getChildAt(j).setEnabled(enabled);
181 private void hook_swipe_listener(final TableRow row) {
182 row.getChildAt(0).setOnTouchListener(new OnSwipeTouchListener(this) {
183 public void onSwipeLeft() {
184 // Log.d("swipe", "LEFT" + row.getId());
185 if (table.getChildCount() > 2) {
186 TableRow prev_row = (TableRow) table.getChildAt(table.indexOfChild(row) - 1);
187 TableRow next_row = (TableRow) table.getChildAt(table.indexOfChild(row) + 1);
189 (prev_row != null) ? (TextView) prev_row.getChildAt(1) : text_descr;
191 (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
193 if (next_acc == null) {
194 prev_amt.setNextFocusRightId(R.id.none);
195 prev_amt.setNextFocusForwardId(R.id.none);
196 prev_amt.setImeOptions(EditorInfo.IME_ACTION_DONE);
199 prev_amt.setNextFocusRightId(next_acc.getId());
200 prev_amt.setNextFocusForwardId(next_acc.getId());
201 prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
204 if (row.hasFocus()) {
205 if (next_acc != null) next_acc.requestFocus();
206 else prev_amt.requestFocus();
209 table.removeView(row);
210 check_transaction_submittable();
211 // Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
214 Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required, Snackbar.LENGTH_LONG)
215 .setAction("Action", null).show();
219 // public boolean performClick(View view, MotionEvent m) {
222 public boolean onTouch(View view, MotionEvent m) {
223 return gestureDetector.onTouchEvent(m);
228 private void hook_text_change_listener(final TextView view) {
229 view.addTextChangedListener(new TextWatcher() {
231 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
236 public void onTextChanged(CharSequence s, int start, int before, int count) {
241 public void afterTextChanged(Editable s) {
242 // Log.d("input", "text changed");
243 check_transaction_submittable();
249 @TargetApi(Build.VERSION_CODES.N)
250 private void hook_autocompletion_adapter(final AutoCompleteTextView view, final String table, final String field) {
251 String[] from = {field};
252 int[] to = {android.R.id.text1};
253 SimpleCursorAdapter adapter =
254 new SimpleCursorAdapter(this, android.R.layout.simple_dropdown_item_1line, null,
256 adapter.setStringConversionColumn(1);
258 FilterQueryProvider provider = new FilterQueryProvider() {
261 Cursor runQuery(CharSequence constraint) {
262 if (constraint == null) return null;
264 String str = constraint.toString().toUpperCase();
265 Log.d("autocompletion", "Looking for " + str);
266 String[] col_names = {FontsContract.Columns._ID, field};
267 MatrixCursor c = new MatrixCursor(col_names);
269 try (SQLiteDatabase db = MLDB.getReadableDatabase(getApplicationContext())) {
271 try (Cursor matches = db.rawQuery(String.format(
272 "SELECT %s as a, case when %s_upper LIKE ?||'%%' then 1 "
273 + "WHEN %s_upper LIKE '%%:'||?||'%%' then 2 "
274 + "WHEN %s_upper LIKE '%% '||?||'%%' then 3 " + "else 9 end "
275 + "FROM %s " + "WHERE %s_upper LIKE '%%'||?||'%%' "
276 + "ORDER BY 2, 1;", field, field, field, field, table, field),
277 new String[]{str, str, str, str}))
280 while (matches.moveToNext()) {
281 String match = matches.getString(0);
282 int order = matches.getInt(1);
283 Log.d("autocompletion", String.format("match: %s |%d", match, order));
284 c.newRow().add(i++).add(match);
294 adapter.setFilterQueryProvider(provider);
296 view.setAdapter(adapter);
299 public boolean onCreateOptionsMenu(Menu menu) {
300 // Inflate the menu; this adds items to the action bar if it is present.
301 getMenuInflater().inflate(R.menu.new_transaction, menu);
302 mSave = menu.findItem(R.id.action_submit_transaction);
303 if (mSave == null) throw new AssertionError();
305 check_transaction_submittable();
310 public void pickTransactionDate(View view) {
311 DialogFragment picker = new DatePickerFragment();
312 picker.show(getSupportFragmentManager(), "datePicker");
315 public int dp2px(float dp) {
316 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, getResources().getDisplayMetrics()));
319 private void do_add_account_row(boolean focus) {
320 final AutoCompleteTextView acc = new AutoCompleteTextView(this);
321 acc.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT, 9f));
322 acc.setHint(R.string.new_transaction_account_hint);
324 acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION
325 | EditorInfo.IME_FLAG_NAVIGATE_NEXT);
326 acc.setSingleLine(true);
328 final EditText amt = new EditText(this);
329 amt.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT,
330 TableRow.LayoutParams.MATCH_PARENT, 1f));
331 amt.setHint(R.string.new_transaction_amount_hint);
333 amt.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | 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, TableRow.LayoutParams.MATCH_PARENT));
349 row.setGravity(Gravity.BOTTOM);
354 if (focus) acc.requestFocus();
356 hook_swipe_listener(row);
357 hook_autocompletion_adapter(acc, MLDB.ACCOUNTS_TABLE, "name");
358 hook_text_change_listener(acc);
359 hook_text_change_listener(amt);
362 public void addTransactionAccountFromMenu(MenuItem item) {
363 do_add_account_row(true);
367 void resetTransactionFromMenu(MenuItem item) {
371 public void saveTransactionFromMenu(MenuItem item) {
376 boolean is_zero(float f) {
377 return (f < 0.005) && (f > -0.005);
381 // 1) at least two account names
382 // 2) each amount must have account name
383 // 3) amounts must balance to 0, or
384 // 3a) there must be exactly one empty amount
385 // 4) empty accounts with empty amounts are ignored
386 // 5) a row with an empty account name or empty amount is guaranteed to exist
387 @SuppressLint("DefaultLocale")
388 private void check_transaction_submittable() {
389 TableLayout table = findViewById(R.id.new_transaction_accounts_table);
391 int accounts_with_values = 0;
393 int amounts_with_accounts = 0;
395 TextView empty_amount = null;
396 boolean single_empty_amount = false;
397 boolean single_empty_amount_has_account = false;
398 float running_total = 0f;
399 boolean have_description =
400 !((TextView) findViewById(R.id.new_transaction_description)).getText().toString()
404 for (int i = 0; i < table.getChildCount(); i++) {
405 TableRow row = (TableRow) table.getChildAt(i);
407 TextView acc_name_v = (TextView) row.getChildAt(0);
408 TextView amount_v = (TextView) row.getChildAt(1);
409 String amt = String.valueOf(amount_v.getText());
410 String acc_name = String.valueOf(acc_name_v.getText());
411 acc_name = acc_name.trim();
413 if (!acc_name.isEmpty()) {
416 if (!amt.isEmpty()) {
417 accounts_with_values++;
423 amount_v.setHint(String.format("%1.2f", 0f));
424 if (empty_amount == null) {
425 empty_amount = amount_v;
426 single_empty_amount = true;
427 single_empty_amount_has_account = !acc_name.isEmpty();
429 else if (!acc_name.isEmpty()) single_empty_amount = false;
433 if (!acc_name.isEmpty()) amounts_with_accounts++;
434 running_total += Float.valueOf(amt);
438 if ((empty_rows == 0) && ((table.getChildCount() == accounts) || (table.getChildCount()
441 do_add_account_row(false);
444 Log.d("submittable", String.format("accounts=%d, accounts_with_values=%s, "
445 + "amounts_with_accounts=%d, amounts=%d, running_total=%1.2f, "
446 + "single_empty_with_acc=%s", accounts, accounts_with_values,
447 amounts_with_accounts, amounts, running_total,
448 (single_empty_amount && single_empty_amount_has_account) ? "true" : "false"));
450 if (have_description && (accounts >= 2) && (accounts_with_values >= (accounts - 1)) && (
451 amounts_with_accounts == amounts) && (
452 single_empty_amount && single_empty_amount_has_account || is_zero(
455 if (mSave != null) mSave.setVisible(true);
457 else if (mSave != null) mSave.setVisible(false);
459 if (single_empty_amount) {
461 .setHint(String.format("%1.2f", (running_total > 0) ? -running_total : 0f));
465 catch (NumberFormatException e) {
466 if (mSave != null) mSave.setVisible(false);
468 catch (Exception e) {
470 if (mSave != null) mSave.setVisible(false);
476 void done(String error) {
477 progress.setVisibility(View.INVISIBLE);
478 Log.d("visuals", "hiding progress");
480 if (error == null) reset_form();
481 else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
482 BaseTransientBottomBar.LENGTH_LONG).show();
484 toggle_all_editing(true);
485 check_transaction_submittable();
488 private void reset_form() {
489 text_date.setText("");
490 text_descr.setText("");
492 text_descr.requestFocus();
494 while(table.getChildCount() > 2) {
495 table.removeViewAt(2);
497 for( int i = 0; i < 2; i++ ) {
498 TableRow tr = (TableRow) table.getChildAt(i);
499 if ( tr == null) break;
501 ((TextView)tr.getChildAt(0)).setText("");
502 ((TextView)tr.getChildAt(1)).setText("");