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