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