show profile name in the new transaction activity
[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / activity / NewTransactionActivity.java
1 /*
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.
8  *
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.
13  *
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/>.
16  */
17
18 package net.ktnx.mobileledger.ui.activity;
19
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;
45
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;
56
57 import java.text.ParseException;
58 import java.util.Date;
59 import java.util.Objects;
60
61 /*
62  * TODO: nicer progress while transaction is submitted
63  * TODO: reports
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)
66  * TODO: app icon
67  * TODO: nicer swiping removal with visual feedback
68  * TODO: setup wizard
69  * TODO: update accounts/check settings upon change of backend settings
70  *  */
71
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);
81     }
82     @Override
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());
89
90         tvDate = findViewById(R.id.new_transaction_date);
91         tvDate.setOnFocusChangeListener((v, hasFocus) -> {
92             if (hasFocus) pickTransactionDate(v);
93         });
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);
98
99         progress = findViewById(R.id.save_transaction_progress);
100
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,
109                     tvAmount);
110             hookTextChangeListener(tvAccountName);
111             hookTextChangeListener(tvAmount);
112 //            Log.d("swipe", "hooked to row "+i);
113         }
114     }
115
116     @Override
117     public void finish() {
118         super.finish();
119         overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
120     }
121
122     @Override
123     public boolean onOptionsItemSelected(MenuItem item) {
124         switch (item.getItemId()) {
125             case android.R.id.home:
126                 finish();
127                 return true;
128         }
129         return super.onOptionsItemSelected(item);
130     }
131     @Override
132     protected void onStart() {
133         super.onStart();
134         if (tvDescription.getText().toString().isEmpty()) tvDescription.requestFocus();
135     }
136     public void saveTransaction() {
137         if (mSave != null) mSave.setVisible(false);
138         toggleAllEditing(false);
139         progress.setVisibility(View.VISIBLE);
140         try {
141
142             saver = new SaveTransactionTask(this);
143
144             String dateString = tvDate.getText().toString();
145             Date date;
146             if (dateString.isEmpty()) date = new Date();
147             else date = Globals.parseLedgerDate(dateString);
148             LedgerTransaction tr = new LedgerTransaction(date, tvDescription.getText().toString());
149
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);
158
159                 tr.addAccount(item);
160             }
161             saver.execute(tr);
162         }
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();
168
169             progress.setVisibility(View.GONE);
170             toggleAllEditing(true);
171             if (mSave != null) mSave.setVisible(true);
172         }
173         catch (Exception e) {
174             Log.d("new-transaction", "Unknown error", e);
175
176             progress.setVisibility(View.GONE);
177             toggleAllEditing(true);
178             if (mSave != null) mSave.setVisible(true);
179         }
180     }
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);
189             }
190         }
191     }
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);
199                     TextView prev_amt =
200                             (prev_row != null) ? (TextView) prev_row.getChildAt(1) : tvDescription;
201                     TextView next_acc =
202                             (next_row != null) ? (TextView) next_row.getChildAt(0) : null;
203
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);
208                     }
209                     else {
210                         prev_amt.setNextFocusRightId(next_acc.getId());
211                         prev_amt.setNextFocusForwardId(next_acc.getId());
212                         prev_amt.setImeOptions(EditorInfo.IME_ACTION_NEXT);
213                     }
214
215                     if (row.hasFocus()) {
216                         if (next_acc != null) next_acc.requestFocus();
217                         else prev_amt.requestFocus();
218                     }
219
220                     table.removeView(row);
221                     check_transaction_submittable();
222 //                    Toast.makeText(NewTransactionActivity.this, "LEFT", Toast.LENGTH_LONG).show();
223                 }
224                 else {
225                     Snackbar.make(table, R.string.msg_at_least_two_accounts_are_required,
226                             Snackbar.LENGTH_LONG).setAction("Action", null).show();
227                 }
228             }
229             //            @Override
230 //            public boolean performClick(View view, MotionEvent m) {
231 //                return true;
232 //            }
233             public boolean onTouch(View view, MotionEvent m) {
234                 return gestureDetector.onTouchEvent(m);
235             }
236         });
237     }
238
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();
244
245         check_transaction_submittable();
246
247         return true;
248     }
249
250     public void pickTransactionDate(View view) {
251         DialogFragment picker = new DatePickerFragment();
252         picker.show(getSupportFragmentManager(), "datePicker");
253     }
254
255     public int dp2px(float dp) {
256         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
257                 getResources().getDisplayMetrics()));
258     }
259     private void hookTextChangeListener(final TextView view) {
260         view.addTextChangedListener(new TextWatcher() {
261             @Override
262             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
263
264             }
265
266             @Override
267             public void onTextChanged(CharSequence s, int start, int before, int count) {
268
269             }
270
271             @Override
272             public void afterTextChanged(Editable s) {
273 //                Log.d("input", "text changed");
274                 check_transaction_submittable();
275             }
276         });
277
278     }
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);
284         acc.setWidth(0);
285         acc.setImeOptions(EditorInfo.IME_ACTION_NEXT | EditorInfo.IME_FLAG_NO_ENTER_ACTION |
286                           EditorInfo.IME_FLAG_NAVIGATE_NEXT);
287         acc.setSingleLine(true);
288
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);
293         amt.setWidth(0);
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);
299
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());
308
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);
313         row.addView(acc);
314         row.addView(amt);
315         table.addView(row);
316
317         if (focus) acc.requestFocus();
318
319         hookSwipeListener(row);
320         MLDB.hookAutocompletionAdapter(this, acc, MLDB.ACCOUNTS_TABLE, "name", true, amt);
321         hookTextChangeListener(acc);
322         hookTextChangeListener(amt);
323     }
324     public void addTransactionAccountFromMenu(MenuItem item) {
325         doAddAccountRow(true);
326     }
327     public void resetTransactionFromMenu(MenuItem item) {
328         resetForm();
329     }
330     public void saveTransactionFromMenu(MenuItem item) {
331         saveTransaction();
332     }
333     // rules:
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);
343         int accounts = 0;
344         int accounts_with_values = 0;
345         int amounts = 0;
346         int amounts_with_accounts = 0;
347         int empty_rows = 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()
354                         .isEmpty();
355
356         try {
357             for (int i = 0; i < table.getChildCount(); i++) {
358                 TableRow row = (TableRow) table.getChildAt(i);
359
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();
365
366                 if (!acc_name.isEmpty()) {
367                     accounts++;
368
369                     if (!amt.isEmpty()) {
370                         accounts_with_values++;
371                     }
372                 }
373                 else empty_rows++;
374
375                 if (amt.isEmpty()) {
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();
381                     }
382                     else if (!acc_name.isEmpty()) single_empty_amount = false;
383                 }
384                 else {
385                     amounts++;
386                     if (!acc_name.isEmpty()) amounts_with_accounts++;
387                     running_total += Float.valueOf(amt);
388                 }
389             }
390
391             if ((empty_rows == 0) &&
392                 ((table.getChildCount() == accounts) || (table.getChildCount() == amounts)))
393             {
394                 doAddAccountRow(false);
395             }
396
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"));
402
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)))
406             {
407                 if (mSave != null) mSave.setVisible(true);
408             }
409             else if (mSave != null) mSave.setVisible(false);
410
411             if (single_empty_amount) {
412                 empty_amount.setHint(String.format("%1.2f",
413                         (Math.abs(running_total) > 0.005) ? -running_total : 0f));
414             }
415
416         }
417         catch (NumberFormatException e) {
418             if (mSave != null) mSave.setVisible(false);
419         }
420         catch (Exception e) {
421             e.printStackTrace();
422             if (mSave != null) mSave.setVisible(false);
423         }
424     }
425
426     @Override
427     public void done(String error) {
428         progress.setVisibility(View.INVISIBLE);
429         Log.d("visuals", "hiding progress");
430
431         if (error == null) resetForm();
432         else Snackbar.make(findViewById(R.id.new_transaction_accounts_table), error,
433                 BaseTransientBottomBar.LENGTH_LONG).show();
434
435         toggleAllEditing(true);
436         check_transaction_submittable();
437     }
438
439     private void resetForm() {
440         tvDate.setText("");
441         tvDescription.setText("");
442
443         tvDescription.requestFocus();
444
445         while (table.getChildCount() > 2) {
446             table.removeViewAt(2);
447         }
448         for (int i = 0; i < 2; i++) {
449             TableRow tr = (TableRow) table.getChildAt(i);
450             if (tr == null) break;
451
452             ((TextView) tr.getChildAt(0)).setText("");
453             ((TextView) tr.getChildAt(1)).setText("");
454         }
455     }
456 }