app/src/main/java/net/ktnx/mobileledger/ui/new_transaction/NewTransactionItemHolder.java

   1 /*
   2  * Copyright © 2021 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe 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  * MoLe 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 MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.new_transaction;
  19
  20 import android.annotation.SuppressLint;
  21 import android.graphics.Typeface;
  22 import android.text.Editable;
  23 import android.text.TextUtils;
  24 import android.text.TextWatcher;
  25 import android.view.Gravity;
  26 import android.view.View;
  27 import android.view.inputmethod.EditorInfo;
  28 import android.widget.EditText;
  29 import android.widget.SimpleCursorAdapter;
  30 import android.widget.TextView;
  31
  32 import androidx.annotation.ColorInt;
  33 import androidx.annotation.NonNull;
  34 import androidx.constraintlayout.widget.ConstraintLayout;
  35 import androidx.recyclerview.widget.RecyclerView;
  36
  37 import net.ktnx.mobileledger.R;
  38 import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
  39 import net.ktnx.mobileledger.databinding.NewTransactionRowBinding;
  40 import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
  41 import net.ktnx.mobileledger.model.Currency;
  42 import net.ktnx.mobileledger.model.Data;
  43 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  44 import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
  45 import net.ktnx.mobileledger.ui.DatePickerFragment;
  46 import net.ktnx.mobileledger.ui.TextViewClearHelper;
  47 import net.ktnx.mobileledger.utils.DimensionUtils;
  48 import net.ktnx.mobileledger.utils.Logger;
  49 import net.ktnx.mobileledger.utils.MLDB;
  50 import net.ktnx.mobileledger.utils.Misc;
  51 import net.ktnx.mobileledger.utils.SimpleDate;
  52
  53 import java.text.DecimalFormatSymbols;
  54 import java.text.ParseException;
  55 import java.util.Objects;
  56
  57 class NewTransactionItemHolder extends RecyclerView.ViewHolder
  58         implements DatePickerFragment.DatePickedListener, DescriptionSelectedCallback {
  59     private final String decimalDot = ".";
  60     private final MobileLedgerProfile mProfile;
  61     private final NewTransactionRowBinding b;
  62     private final NewTransactionItemsAdapter mAdapter;
  63     private boolean ignoreFocusChanges = false;
  64     private String decimalSeparator;
  65     private boolean inUpdate = false;
  66     private boolean syncingData = false;
  67     //TODO multiple amounts with different currencies per posting?
  68     NewTransactionItemHolder(@NonNull NewTransactionRowBinding b,
  69                              NewTransactionItemsAdapter adapter) {
  70         super(b.getRoot());
  71         this.b = b;
  72         this.mAdapter = adapter;
  73         new TextViewClearHelper().attachToTextView(b.comment);
  74
  75         b.newTransactionDescription.setNextFocusForwardId(View.NO_ID);
  76         b.accountRowAccName.setNextFocusForwardId(View.NO_ID);
  77         b.accountRowAccAmounts.setNextFocusForwardId(View.NO_ID); // magic!
  78
  79         b.newTransactionDate.setOnClickListener(v -> pickTransactionDate());
  80
  81         b.accountCommentButton.setOnClickListener(v -> {
  82             b.comment.setVisibility(View.VISIBLE);
  83             b.comment.requestFocus();
  84         });
  85
  86         b.transactionCommentButton.setOnClickListener(v -> {
  87             b.transactionComment.setVisibility(View.VISIBLE);
  88             b.transactionComment.requestFocus();
  89         });
  90
  91         mProfile = Data.getProfile();
  92
  93         @SuppressLint("DefaultLocale") View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
  94             final int id = v.getId();
  95             if (hasFocus) {
  96                 boolean wasSyncing = syncingData;
  97                 syncingData = true;
  98                 try {
  99                     final int pos = getAdapterPosition();
 100                     if (id == R.id.account_row_acc_name) {
 101                         adapter.noteFocusIsOnAccount(pos);
 102                     }
 103                     else if (id == R.id.account_row_acc_amounts) {
 104                         adapter.noteFocusIsOnAmount(pos);
 105                     }
 106                     else if (id == R.id.comment) {
 107                         adapter.noteFocusIsOnComment(pos);
 108                     }
 109                     else if (id == R.id.transaction_comment) {
 110                         adapter.noteFocusIsOnTransactionComment(pos);
 111                     }
 112                     else if (id == R.id.new_transaction_description) {
 113                         adapter.noteFocusIsOnDescription(pos);
 114                     }
 115                     else
 116                         throw new IllegalStateException("Where is the focus?");
 117                 }
 118                 finally {
 119                     syncingData = wasSyncing;
 120                 }
 121             }
 122             else {  // lost focus
 123                 if (id == R.id.account_row_acc_amounts) {
 124                     try {
 125                         String input = String.valueOf(b.accountRowAccAmounts.getText());
 126                         input = input.replace(decimalSeparator, decimalDot);
 127                         b.accountRowAccAmounts.setText(
 128                                 String.format("%4.2f", Float.parseFloat(input)));
 129                     }
 130                     catch (NumberFormatException ex) {
 131                         // ignored
 132                     }
 133                 }
 134             }
 135
 136             if (id == R.id.comment) {
 137                 commentFocusChanged(b.comment, hasFocus);
 138             }
 139             else if (id == R.id.transaction_comment) {
 140                 commentFocusChanged(b.transactionComment, hasFocus);
 141             }
 142         };
 143
 144         b.newTransactionDescription.setOnFocusChangeListener(focusMonitor);
 145         b.accountRowAccName.setOnFocusChangeListener(focusMonitor);
 146         b.accountRowAccAmounts.setOnFocusChangeListener(focusMonitor);
 147         b.comment.setOnFocusChangeListener(focusMonitor);
 148         b.transactionComment.setOnFocusChangeListener(focusMonitor);
 149
 150         NewTransactionActivity activity = (NewTransactionActivity) b.getRoot()
 151                                                                     .getContext();
 152
 153         MLDB.hookAutocompletionAdapter(activity, b.newTransactionDescription,
 154                 MLDB.DESCRIPTION_HISTORY_TABLE, "description", false, activity, mProfile);
 155         b.accountRowAccName.setAdapter(new AccountAutocompleteAdapter(b.getRoot()
 156                                                                        .getContext(), mProfile));
 157
 158         decimalSeparator = "";
 159         Data.locale.observe(activity, locale -> decimalSeparator = String.valueOf(
 160                 DecimalFormatSymbols.getInstance(locale)
 161                                     .getMonetaryDecimalSeparator()));
 162
 163         final TextWatcher tw = new TextWatcher() {
 164             @Override
 165             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 166             }
 167
 168             @Override
 169             public void onTextChanged(CharSequence s, int start, int before, int count) {
 170             }
 171
 172             @Override
 173             public void afterTextChanged(Editable s) {
 174 //                debug("input", "text changed");
 175                 if (inUpdate)
 176                     return;
 177
 178                 Logger.debug("textWatcher", "calling syncData()");
 179                 syncData();
 180                 Logger.debug("textWatcher",
 181                         "syncData() returned, checking if transaction is submittable");
 182                 adapter.model.checkTransactionSubmittable(null);
 183                 Logger.debug("textWatcher", "done");
 184             }
 185         };
 186         final TextWatcher amountWatcher = new TextWatcher() {
 187             @Override
 188             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 189             @Override
 190             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 191             @Override
 192             public void afterTextChanged(Editable s) {
 193                 checkAmountValid(s.toString());
 194
 195                 if (syncData())
 196                     adapter.model.checkTransactionSubmittable(null);
 197             }
 198         };
 199         b.newTransactionDescription.addTextChangedListener(tw);
 200         monitorComment(b.transactionComment);
 201         b.accountRowAccName.addTextChangedListener(tw);
 202         monitorComment(b.comment);
 203         b.accountRowAccAmounts.addTextChangedListener(amountWatcher);
 204
 205         b.currencyButton.setOnClickListener(v -> {
 206             CurrencySelectorFragment cpf = new CurrencySelectorFragment();
 207             cpf.showPositionAndPadding();
 208             cpf.setOnCurrencySelectedListener(
 209                     c -> adapter.setItemCurrency(getAdapterPosition(), c.getName()));
 210             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 211         });
 212
 213         commentFocusChanged(b.transactionComment, false);
 214         commentFocusChanged(b.comment, false);
 215
 216         adapter.model.getFocusInfo()
 217                      .observe(activity, focusInfo -> {
 218                          if (ignoreFocusChanges) {
 219                              Logger.debug("new-trans", "Ignoring focus change");
 220                              return;
 221                          }
 222                          ignoreFocusChanges = true;
 223                          try {
 224                              if (((focusInfo == null) || (focusInfo.element == null) ||
 225                                   focusInfo.position != getAdapterPosition()) ||
 226                                  itemView.hasFocus())
 227                                  return;
 228
 229                              NewTransactionModel.Item item = getItem();
 230                              if (item instanceof NewTransactionModel.TransactionHead) {
 231                                  NewTransactionModel.TransactionHead head =
 232                                          item.toTransactionHead();
 233                                  // bad idea - double pop-up, and not really necessary.
 234                                  // the user can tap the input to get the calendar
 235                                  //if (!tvDate.hasFocus()) tvDate.requestFocus();
 236                                  switch (focusInfo.element) {
 237                                      case TransactionComment:
 238                                          b.transactionComment.setVisibility(View.VISIBLE);
 239                                          b.transactionComment.requestFocus();
 240                                          break;
 241                                      case Description:
 242                                          boolean focused =
 243                                                  b.newTransactionDescription.requestFocus();
 244 //                            tvDescription.dismissDropDown();
 245                                          if (focused)
 246                                              Misc.showSoftKeyboard(
 247                                                      (NewTransactionActivity) b.getRoot()
 248                                                                                .getContext());
 249                                          break;
 250                                  }
 251                              }
 252                              else if (item instanceof NewTransactionModel.TransactionAccount) {
 253                                  NewTransactionModel.TransactionAccount acc =
 254                                          item.toTransactionAccount();
 255                                  switch (focusInfo.element) {
 256                                      case Amount:
 257                                          b.accountRowAccAmounts.requestFocus();
 258                                          break;
 259                                      case Comment:
 260                                          b.comment.setVisibility(View.VISIBLE);
 261                                          b.comment.requestFocus();
 262                                          break;
 263                                      case Account:
 264                                          boolean focused = b.accountRowAccName.requestFocus();
 265 //                                         b.accountRowAccName.dismissDropDown();
 266                                          if (focused)
 267                                              Misc.showSoftKeyboard(
 268                                                      (NewTransactionActivity) b.getRoot()
 269                                                                                .getContext());
 270                                          break;
 271                                  }
 272                              }
 273                          }
 274                          finally {
 275                              ignoreFocusChanges = false;
 276                          }
 277                      });
 278
 279         Data.currencyGap.observe(activity,
 280                 hasGap -> updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(),
 281                         hasGap));
 282
 283         Data.currencySymbolPosition.observe(activity,
 284                 position -> updateCurrencyPositionAndPadding(position,
 285                         Data.currencyGap.getValue()));
 286
 287         adapter.model.getShowCurrency()
 288                      .observe(activity, showCurrency -> {
 289                          if (showCurrency) {
 290                              b.currency.setVisibility(View.VISIBLE);
 291                              b.currencyButton.setVisibility(View.VISIBLE);
 292                              b.currency.setText(mProfile.getDefaultCommodity());
 293                          }
 294                          else {
 295                              b.currency.setVisibility(View.GONE);
 296                              b.currencyButton.setVisibility(View.GONE);
 297                              b.currency.setText(null);
 298                          }
 299                      });
 300
 301         adapter.model.getShowComments()
 302                      .observe(activity, show -> {
 303                          ConstraintLayout.LayoutParams amountLayoutParams =
 304                                  (ConstraintLayout.LayoutParams) b.amountLayout.getLayoutParams();
 305                          ConstraintLayout.LayoutParams accountParams =
 306                                  (ConstraintLayout.LayoutParams) b.accountRowAccName.getLayoutParams();
 307
 308                          if (show) {
 309                              accountParams.endToStart = ConstraintLayout.LayoutParams.UNSET;
 310                              accountParams.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 311
 312                              amountLayoutParams.topToTop = ConstraintLayout.LayoutParams.UNSET;
 313                              amountLayoutParams.topToBottom = b.accountRowAccName.getId();
 314
 315                              b.commentLayout.setVisibility(View.VISIBLE);
 316                          }
 317                          else {
 318                              accountParams.endToStart = b.amountLayout.getId();
 319                              accountParams.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 320
 321                              amountLayoutParams.topToBottom = ConstraintLayout.LayoutParams.UNSET;
 322                              amountLayoutParams.topToTop = ConstraintLayout.LayoutParams.PARENT_ID;
 323
 324                              b.commentLayout.setVisibility(View.GONE);
 325                          }
 326
 327                          b.accountRowAccName.setLayoutParams(accountParams);
 328                          b.amountLayout.setLayoutParams(amountLayoutParams);
 329
 330                          b.transactionCommentLayout.setVisibility(show ? View.VISIBLE : View.GONE);
 331                      });
 332     }
 333     public void checkAmountValid(String s) {
 334         boolean valid = true;
 335         try {
 336             if (s.length() > 0) {
 337                 float ignored = Float.parseFloat(s.replace(decimalSeparator, decimalDot));
 338             }
 339         }
 340         catch (NumberFormatException ex) {
 341             valid = false;
 342         }
 343
 344         displayAmountValidity(valid);
 345     }
 346     private void displayAmountValidity(boolean valid) {
 347         b.accountRowAccAmounts.setCompoundDrawablesRelativeWithIntrinsicBounds(
 348                 valid ? 0 : R.drawable.ic_error_outline_black_24dp, 0, 0, 0);
 349         b.accountRowAccAmounts.setMinEms(valid ? 4 : 5);
 350     }
 351     private void monitorComment(EditText editText) {
 352         editText.addTextChangedListener(new TextWatcher() {
 353             @Override
 354             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 355             }
 356             @Override
 357             public void onTextChanged(CharSequence s, int start, int before, int count) {
 358             }
 359             @Override
 360             public void afterTextChanged(Editable s) {
 361 //                debug("input", "text changed");
 362                 if (inUpdate)
 363                     return;
 364
 365                 Logger.debug("textWatcher", "calling syncData()");
 366                 syncData();
 367                 Logger.debug("textWatcher",
 368                         "syncData() returned, checking if transaction is submittable");
 369                 styleComment(editText, s.toString());
 370                 Logger.debug("textWatcher", "done");
 371             }
 372         });
 373     }
 374     private void commentFocusChanged(TextView textView, boolean hasFocus) {
 375         @ColorInt int textColor;
 376         textColor = b.dummyText.getTextColors()
 377                                .getDefaultColor();
 378         if (hasFocus) {
 379             textView.setTypeface(null, Typeface.NORMAL);
 380             textView.setHint(R.string.transaction_account_comment_hint);
 381         }
 382         else {
 383             int alpha = (textColor >> 24 & 0xff);
 384             alpha = 3 * alpha / 4;
 385             textColor = (alpha << 24) | (0x00ffffff & textColor);
 386             textView.setTypeface(null, Typeface.ITALIC);
 387             textView.setHint("");
 388             if (TextUtils.isEmpty(textView.getText())) {
 389                 textView.setVisibility(View.INVISIBLE);
 390             }
 391         }
 392         textView.setTextColor(textColor);
 393
 394     }
 395     private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
 396         ConstraintLayout.LayoutParams amountLP =
 397                 (ConstraintLayout.LayoutParams) b.accountRowAccAmounts.getLayoutParams();
 398         ConstraintLayout.LayoutParams currencyLP =
 399                 (ConstraintLayout.LayoutParams) b.currency.getLayoutParams();
 400
 401         if (position == Currency.Position.before) {
 402             currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 403             currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 404
 405             amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 406             amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
 407             amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 408             amountLP.startToEnd = b.currency.getId();
 409
 410             b.currency.setGravity(Gravity.END);
 411         }
 412         else {
 413             currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 414             currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 415
 416             amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 417             amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
 418             amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 419             amountLP.endToStart = b.currency.getId();
 420
 421             b.currency.setGravity(Gravity.START);
 422         }
 423
 424         amountLP.resolveLayoutDirection(b.accountRowAccAmounts.getLayoutDirection());
 425         currencyLP.resolveLayoutDirection(b.currency.getLayoutDirection());
 426
 427         b.accountRowAccAmounts.setLayoutParams(amountLP);
 428         b.currency.setLayoutParams(currencyLP);
 429
 430         // distance between the amount and the currency symbol
 431         int gapSize = DimensionUtils.sp2px(b.currency.getContext(), 5);
 432
 433         if (position == Currency.Position.before) {
 434             b.currency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
 435         }
 436         else {
 437             b.currency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
 438         }
 439     }
 440     private void setCurrencyString(String currency) {
 441         @ColorInt int textColor = b.dummyText.getTextColors()
 442                                              .getDefaultColor();
 443         if ((currency == null) || currency.isEmpty()) {
 444             b.currency.setText(R.string.currency_symbol);
 445             int alpha = (textColor >> 24) & 0xff;
 446             alpha = alpha * 3 / 4;
 447             b.currency.setTextColor((alpha << 24) | (0x00ffffff & textColor));
 448         }
 449         else {
 450             b.currency.setText(currency);
 451             b.currency.setTextColor(textColor);
 452         }
 453     }
 454     private void setCurrency(Currency currency) {
 455         setCurrencyString((currency == null) ? null : currency.getName());
 456     }
 457     private void setEditable(Boolean editable) {
 458         b.newTransactionDate.setEnabled(editable);
 459         b.newTransactionDescription.setEnabled(editable);
 460         b.accountRowAccName.setEnabled(editable);
 461         b.accountRowAccAmounts.setEnabled(editable);
 462     }
 463     private void beginUpdates() {
 464         if (inUpdate)
 465             throw new RuntimeException("Already in update mode");
 466         inUpdate = true;
 467     }
 468     private void endUpdates() {
 469         if (!inUpdate)
 470             throw new RuntimeException("Not in update mode");
 471         inUpdate = false;
 472     }
 473     /**
 474      * syncData()
 475      * <p>
 476      * Stores the data from the UI elements into the model item
 477      * Returns true if there were changes made that suggest transaction has to be
 478      * checked for being submittable
 479      */
 480     private boolean syncData() {
 481         if (syncingData) {
 482             Logger.debug("new-trans", "skipping syncData() loop");
 483             return false;
 484         }
 485
 486         NewTransactionModel.Item item = getItem();
 487
 488         syncingData = true;
 489
 490         try {
 491             if (item instanceof NewTransactionModel.TransactionHead) {
 492                 NewTransactionModel.TransactionHead head = item.toTransactionHead();
 493
 494                 head.setDate(String.valueOf(b.newTransactionDate.getText()));
 495                 head.setDescription(String.valueOf(b.newTransactionDescription.getText()));
 496                 head.setComment(String.valueOf(b.transactionComment.getText()));
 497             }
 498             else if (item instanceof NewTransactionModel.TransactionAccount) {
 499                 NewTransactionModel.TransactionAccount acc = item.toTransactionAccount();
 500                 acc.setAccountName(String.valueOf(b.accountRowAccName.getText()));
 501
 502                 acc.setComment(String.valueOf(b.comment.getText()));
 503
 504                 String amount = String.valueOf(b.accountRowAccAmounts.getText());
 505                 amount = amount.trim();
 506
 507                 if (amount.isEmpty()) {
 508                     acc.resetAmount();
 509                     acc.setAmountValid(true);
 510                 }
 511                 else {
 512                     try {
 513                         amount = amount.replace(decimalSeparator, decimalDot);
 514                         acc.setAmount(Float.parseFloat(amount));
 515                         acc.setAmountValid(true);
 516                     }
 517                     catch (NumberFormatException e) {
 518                         Logger.debug("new-trans", String.format(
 519                                 "assuming amount is not set due to number format exception. " +
 520                                 "input was '%s'", amount));
 521                         acc.setAmountValid(false);
 522                     }
 523                     final String curr = String.valueOf(b.currency.getText());
 524                     if (curr.equals(b.currency.getContext()
 525                                               .getResources()
 526                                               .getString(R.string.currency_symbol)) ||
 527                         curr.isEmpty())
 528                         acc.setCurrency(null);
 529                     else
 530                         acc.setCurrency(curr);
 531                 }
 532             }
 533             else {
 534                 throw new RuntimeException("Should not happen");
 535             }
 536
 537             return true;
 538         }
 539         catch (ParseException e) {
 540             throw new RuntimeException("Should not happen", e);
 541         }
 542         finally {
 543             syncingData = false;
 544         }
 545     }
 546     private void pickTransactionDate() {
 547         DatePickerFragment picker = new DatePickerFragment();
 548         picker.setFutureDates(mProfile.getFutureDates());
 549         picker.setOnDatePickedListener(this);
 550         picker.setCurrentDateFromText(b.newTransactionDate.getText());
 551         picker.show(((NewTransactionActivity) b.getRoot()
 552                                                .getContext()).getSupportFragmentManager(), null);
 553     }
 554     /**
 555      * bind
 556      *
 557      * @param item updates the UI elements with the data from the model item
 558      */
 559     @SuppressLint("DefaultLocale")
 560     public void bind(@NonNull NewTransactionModel.Item item) {
 561         beginUpdates();
 562         try {
 563             syncingData = true;
 564             try {
 565                 if (item instanceof NewTransactionModel.TransactionHead) {
 566                     NewTransactionModel.TransactionHead head = item.toTransactionHead();
 567                     b.newTransactionDate.setText(head.getFormattedDate());
 568
 569                     // avoid triggering completion pop-up
 570                     SimpleCursorAdapter a =
 571                             (SimpleCursorAdapter) b.newTransactionDescription.getAdapter();
 572                     try {
 573                         b.newTransactionDescription.setAdapter(null);
 574                         b.newTransactionDescription.setText(head.getDescription());
 575                     }
 576                     finally {
 577                         b.newTransactionDescription.setAdapter(a);
 578                     }
 579
 580                     b.transactionComment.setText(head.getComment());
 581                     //styleComment(b.transactionComment, head.getComment());
 582
 583                     b.ntrData.setVisibility(View.VISIBLE);
 584                     b.ntrAccount.setVisibility(View.GONE);
 585                     b.ntrPadding.setVisibility(View.GONE);
 586                     setEditable(true);
 587                 }
 588                 else if (item instanceof NewTransactionModel.TransactionAccount) {
 589                     NewTransactionModel.TransactionAccount acc = item.toTransactionAccount();
 590
 591                     // avoid triggering completion pop-up
 592                     AccountAutocompleteAdapter a =
 593                             (AccountAutocompleteAdapter) b.accountRowAccName.getAdapter();
 594                     try {
 595                         b.accountRowAccName.setAdapter(null);
 596                         b.accountRowAccName.setText(acc.getAccountName());
 597                     }
 598                     finally {
 599                         b.accountRowAccName.setAdapter(a);
 600                     }
 601
 602                     final String amountHint = acc.getAmountHint();
 603                     if (amountHint == null) {
 604                         b.accountRowAccAmounts.setHint(R.string.zero_amount);
 605                     }
 606                     else {
 607                         b.accountRowAccAmounts.setHint(amountHint);
 608                     }
 609
 610                     b.accountRowAccAmounts.setImeOptions(
 611                             acc.isLast() ? EditorInfo.IME_ACTION_DONE : EditorInfo.IME_ACTION_NEXT);
 612
 613                     setCurrencyString(acc.getCurrency());
 614                     b.accountRowAccAmounts.setText(
 615                             acc.isAmountSet() ? String.format("%4.2f", acc.getAmount()) : null);
 616                     displayAmountValidity(true);
 617
 618                     b.comment.setText(acc.getComment());
 619
 620                     b.ntrData.setVisibility(View.GONE);
 621                     b.ntrAccount.setVisibility(View.VISIBLE);
 622                     b.ntrPadding.setVisibility(View.GONE);
 623
 624                     setEditable(true);
 625                 }
 626                 else {
 627                     throw new RuntimeException("Don't know how to handle " + item);
 628                 }
 629             }
 630             finally {
 631                 syncingData = false;
 632             }
 633         }
 634         finally {
 635             endUpdates();
 636         }
 637     }
 638     private void styleComment(EditText editText, String comment) {
 639         final View focusedView = editText.findFocus();
 640         editText.setTypeface(null, (focusedView == editText) ? Typeface.NORMAL : Typeface.ITALIC);
 641         editText.setVisibility(
 642                 ((focusedView != editText) && TextUtils.isEmpty(comment)) ? View.INVISIBLE
 643                                                                           : View.VISIBLE);
 644     }
 645     @Override
 646     public void onDatePicked(int year, int month, int day) {
 647         final NewTransactionModel.TransactionHead head = getItem().toTransactionHead();
 648         head.setDate(new SimpleDate(year, month + 1, day));
 649         b.newTransactionDate.setText(head.getFormattedDate());
 650
 651         boolean focused = b.newTransactionDescription.requestFocus();
 652         if (focused)
 653             Misc.showSoftKeyboard((NewTransactionActivity) b.getRoot()
 654                                                             .getContext());
 655
 656     }
 657     private NewTransactionModel.Item getItem() {
 658         return Objects.requireNonNull(mAdapter.model.getItems()
 659                                                     .getValue())
 660                       .get(getAdapterPosition());
 661     }
 662     @Override
 663     public void descriptionSelected(String description) {
 664         b.accountRowAccName.setText(description);
 665         b.accountRowAccAmounts.requestFocus(View.FOCUS_FORWARD);
 666     }
 667 }