app/src/main/java/net/ktnx/mobileledger/ui/templates/TemplateDetailsAdapter.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.templates;
  19
  20 import android.text.Editable;
  21 import android.text.TextWatcher;
  22 import android.view.LayoutInflater;
  23 import android.view.View;
  24 import android.view.ViewGroup;
  25 import android.widget.TextView;
  26
  27 import androidx.annotation.NonNull;
  28 import androidx.appcompat.app.AppCompatActivity;
  29 import androidx.recyclerview.widget.AsyncListDiffer;
  30 import androidx.recyclerview.widget.DiffUtil;
  31 import androidx.recyclerview.widget.RecyclerView;
  32
  33 import net.ktnx.mobileledger.R;
  34 import net.ktnx.mobileledger.databinding.TemplateDetailsAccountBinding;
  35 import net.ktnx.mobileledger.databinding.TemplateDetailsHeaderBinding;
  36 import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
  37 import net.ktnx.mobileledger.db.TemplateBase;
  38 import net.ktnx.mobileledger.model.Data;
  39 import net.ktnx.mobileledger.model.TemplateDetailsItem;
  40 import net.ktnx.mobileledger.ui.QRScanCapableFragment;
  41 import net.ktnx.mobileledger.ui.TemplateDetailSourceSelectorFragment;
  42 import net.ktnx.mobileledger.utils.Logger;
  43 import net.ktnx.mobileledger.utils.Misc;
  44
  45 import org.jetbrains.annotations.NotNull;
  46
  47 import java.text.ParseException;
  48 import java.util.ArrayList;
  49 import java.util.List;
  50 import java.util.Locale;
  51 import java.util.regex.Matcher;
  52 import java.util.regex.Pattern;
  53
  54 class TemplateDetailsAdapter extends RecyclerView.Adapter<TemplateDetailsAdapter.ViewHolder> {
  55     private static final String D_TEMPLATE_UI = "template-ui";
  56     private final AsyncListDiffer<TemplateDetailsItem> differ;
  57     public TemplateDetailsAdapter() {
  58         super();
  59         setHasStableIds(true);
  60         differ = new AsyncListDiffer<>(this, new DiffUtil.ItemCallback<TemplateDetailsItem>() {
  61             @Override
  62             public boolean areItemsTheSame(@NonNull TemplateDetailsItem oldItem,
  63                                            @NonNull TemplateDetailsItem newItem) {
  64                 if (oldItem.getType() != newItem.getType())
  65                     return false;
  66                 if (oldItem.getType()
  67                            .equals(TemplateDetailsItem.Type.HEADER))
  68                     return true;    // only one header item, ever
  69                 // the rest is comparing two account row items
  70                 return oldItem.asAccountRowItem()
  71                               .getId() == newItem.asAccountRowItem()
  72                                                  .getId();
  73             }
  74             @Override
  75             public boolean areContentsTheSame(@NonNull TemplateDetailsItem oldItem,
  76                                               @NonNull TemplateDetailsItem newItem) {
  77                 if (oldItem.getType()
  78                            .equals(TemplateDetailsItem.Type.HEADER))
  79                 {
  80                     TemplateDetailsItem.Header oldHeader = oldItem.asHeaderItem();
  81                     TemplateDetailsItem.Header newHeader = newItem.asHeaderItem();
  82
  83                     return oldHeader.equalContents(newHeader);
  84                 }
  85                 else {
  86                     TemplateDetailsItem.AccountRow oldAcc = oldItem.asAccountRowItem();
  87                     TemplateDetailsItem.AccountRow newAcc = newItem.asAccountRowItem();
  88
  89                     return oldAcc.equalContents(newAcc);
  90                 }
  91             }
  92         });
  93     }
  94     @Override
  95     public long getItemId(int position) {
  96         // header item is always first and IDs id may duplicate some of the account IDs
  97         if (position == 0)
  98             return -1;
  99         TemplateDetailsItem.AccountRow accRow = differ.getCurrentList()
 100                                                       .get(position)
 101                                                       .asAccountRowItem();
 102         return accRow.getId();
 103     }
 104     @Override
 105     public int getItemViewType(int position) {
 106
 107         return differ.getCurrentList()
 108                      .get(position)
 109                      .getType()
 110                      .toInt();
 111     }
 112     @NonNull
 113     @Override
 114     public TemplateDetailsAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
 115                                                                 int viewType) {
 116         final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
 117         switch (viewType) {
 118             case TemplateDetailsItem.TYPE.header:
 119                 return new Header(TemplateDetailsHeaderBinding.inflate(inflater, parent, false));
 120             case TemplateDetailsItem.TYPE.accountItem:
 121                 return new AccountRow(
 122                         TemplateDetailsAccountBinding.inflate(inflater, parent, false));
 123             default:
 124                 throw new IllegalStateException("Unsupported view type " + viewType);
 125         }
 126     }
 127     @Override
 128     public void onBindViewHolder(@NonNull TemplateDetailsAdapter.ViewHolder holder, int position) {
 129         TemplateDetailsItem item = differ.getCurrentList()
 130                                          .get(position);
 131         holder.bind(item);
 132     }
 133     @Override
 134     public int getItemCount() {
 135         return differ.getCurrentList()
 136                      .size();
 137     }
 138     public void setTemplateItems(List<TemplateBase> items) {
 139         ArrayList<TemplateDetailsItem> list = new ArrayList<>();
 140         for (TemplateBase p : items) {
 141             TemplateDetailsItem item = TemplateDetailsItem.fromRoomObject(p);
 142             list.add(item);
 143         }
 144         setItems(list);
 145     }
 146     public void setItems(List<TemplateDetailsItem> items) {
 147         differ.submitList(items);
 148     }
 149     public String getMatchGroupText(int groupNumber) {
 150         TemplateDetailsItem.Header header = getHeader();
 151         Pattern p = header.getCompiledPattern();
 152         if (p == null)
 153             return null;
 154
 155         final String testText = Misc.nullIsEmpty(header.getTestText());
 156         Matcher m = p.matcher(testText);
 157         if (m.matches() && m.groupCount() >= groupNumber)
 158             return m.group(groupNumber);
 159         else
 160             return null;
 161     }
 162     protected TemplateDetailsItem.Header getHeader() {
 163         return differ.getCurrentList()
 164                      .get(0)
 165                      .asHeaderItem();
 166     }
 167
 168     private enum HeaderDetail {DESCRIPTION, COMMENT, DATE_YEAR, DATE_MONTH, DATE_DAY}
 169
 170     private enum AccDetail {ACCOUNT, COMMENT, AMOUNT}
 171
 172     public abstract static class ViewHolder extends RecyclerView.ViewHolder {
 173         ViewHolder(@NonNull View itemView) {
 174             super(itemView);
 175         }
 176         abstract void bind(TemplateDetailsItem item);
 177     }
 178
 179     public class Header extends ViewHolder {
 180         private final TemplateDetailsHeaderBinding b;
 181         public Header(@NonNull TemplateDetailsHeaderBinding binding) {
 182             super(binding.getRoot());
 183             b = binding;
 184
 185             TextWatcher templateNameWatcher = new TextWatcher() {
 186                 @Override
 187                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 188                 @Override
 189                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 190                 @Override
 191                 public void afterTextChanged(Editable s) {
 192                     final TemplateDetailsItem.Header header = getItem();
 193                     Logger.debug(D_TEMPLATE_UI,
 194                             "Storing changed template name " + s + "; header=" + header);
 195                     header.setName(String.valueOf(s));
 196                 }
 197             };
 198             b.templateName.addTextChangedListener(templateNameWatcher);
 199
 200             TextWatcher patternWatcher = new TextWatcher() {
 201                 @Override
 202                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 203                 @Override
 204                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 205                 @Override
 206                 public void afterTextChanged(Editable s) {
 207                     final TemplateDetailsItem.Header header = getItem();
 208                     Logger.debug(D_TEMPLATE_UI,
 209                             "Storing changed pattern " + s + "; header=" + header);
 210                     header.setPattern(String.valueOf(s));
 211
 212                     checkPatternError(header);
 213                 }
 214             };
 215             b.pattern.addTextChangedListener(patternWatcher);
 216
 217             TextWatcher testTextWatcher = new TextWatcher() {
 218                 @Override
 219                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 220                 @Override
 221                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 222                 @Override
 223                 public void afterTextChanged(Editable s) {
 224                     final TemplateDetailsItem.Header header = getItem();
 225                     Logger.debug(D_TEMPLATE_UI,
 226                             "Storing changed test text " + s + "; header=" + header);
 227                     header.setTestText(String.valueOf(s));
 228
 229                     checkPatternError(header);
 230                 }
 231             };
 232             b.testText.addTextChangedListener(testTextWatcher);
 233
 234             TextWatcher transactionDescriptionWatcher = new TextWatcher() {
 235                 @Override
 236                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 237                 }
 238                 @Override
 239                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 240
 241                 }
 242                 @Override
 243                 public void afterTextChanged(Editable s) {
 244                     final TemplateDetailsItem.Header header = getItem();
 245                     Logger.debug(D_TEMPLATE_UI,
 246                             "Storing changed transaction description " + s + "; header=" + header);
 247                     header.setTransactionDescription(String.valueOf(s));
 248                 }
 249             };
 250             b.transactionDescription.addTextChangedListener(transactionDescriptionWatcher);
 251             TextWatcher transactionCommentWatcher = new TextWatcher() {
 252                 @Override
 253                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 254
 255                 }
 256                 @Override
 257                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 258
 259                 }
 260                 @Override
 261                 public void afterTextChanged(Editable s) {
 262                     final TemplateDetailsItem.Header header = getItem();
 263                     Logger.debug(D_TEMPLATE_UI,
 264                             "Storing changed transaction description " + s + "; header=" + header);
 265                     header.setTransactionComment(String.valueOf(s));
 266                 }
 267             };
 268             b.transactionComment.addTextChangedListener(transactionCommentWatcher);
 269         }
 270         @NotNull
 271         private TemplateDetailsItem.Header getItem() {
 272             int pos = getAdapterPosition();
 273             return differ.getCurrentList()
 274                          .get(pos)
 275                          .asHeaderItem();
 276         }
 277         private void selectHeaderDetailSource(View v, HeaderDetail detail) {
 278             TemplateDetailsItem.Header header = getItem();
 279             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 280             TemplateDetailSourceSelectorFragment sel =
 281                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 282                             header.getTestText());
 283             sel.setOnSourceSelectedListener((literal, group) -> {
 284                 if (literal) {
 285                     switch (detail) {
 286                         case DESCRIPTION:
 287                             header.switchToLiteralTransactionDescription();
 288                             break;
 289                         case COMMENT:
 290                             header.switchToLiteralTransactionComment();
 291                             break;
 292                         case DATE_YEAR:
 293                             header.switchToLiteralDateYear();
 294                             break;
 295                         case DATE_MONTH:
 296                             header.switchToLiteralDateMonth();
 297                             break;
 298                         case DATE_DAY:
 299                             header.switchToLiteralDateDay();
 300                             break;
 301                         default:
 302                             throw new IllegalStateException("Unexpected detail " + detail);
 303                     }
 304                 }
 305                 else {
 306                     switch (detail) {
 307                         case DESCRIPTION:
 308                             header.setTransactionDescriptionMatchGroup(group);
 309                             break;
 310                         case COMMENT:
 311                             header.setTransactionCommentMatchGroup(group);
 312                             break;
 313                         case DATE_YEAR:
 314                             header.setDateYearMatchGroup(group);
 315                             break;
 316                         case DATE_MONTH:
 317                             header.setDateMonthMatchGroup(group);
 318                             break;
 319                         case DATE_DAY:
 320                             header.setDateDayMatchGroup(group);
 321                             break;
 322                         default:
 323                             throw new IllegalStateException("Unexpected detail " + detail);
 324                     }
 325                 }
 326
 327                 notifyItemChanged(getAdapterPosition());
 328             });
 329             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 330             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 331         }
 332         @Override
 333         void bind(TemplateDetailsItem item) {
 334             TemplateDetailsItem.Header header = item.asHeaderItem();
 335             Logger.debug(D_TEMPLATE_UI, "Binding to header " + header);
 336
 337             String groupNoText = b.getRoot()
 338                                   .getResources()
 339                                   .getString(R.string.template_item_match_group_source);
 340
 341             b.templateName.setText(header.getName());
 342             b.pattern.setText(header.getPattern());
 343             b.testText.setText(header.getTestText());
 344
 345             if (header.hasLiteralDateYear()) {
 346                 b.templateDetailsYearSource.setText(R.string.template_details_source_literal);
 347                 final Integer dateYear = header.getDateYear();
 348                 b.templateDetailsDateYear.setText(
 349                         (dateYear == null) ? null : String.valueOf(dateYear));
 350                 b.templateDetailsDateYearLayout.setVisibility(View.VISIBLE);
 351             }
 352             else {
 353                 b.templateDetailsDateYearLayout.setVisibility(View.GONE);
 354                 b.templateDetailsYearSource.setText(
 355                         String.format(Locale.US, groupNoText, header.getDateYearMatchGroup(),
 356                                 getMatchGroupText(header.getDateYearMatchGroup())));
 357             }
 358             b.templateDetailsYearSourceLabel.setOnClickListener(
 359                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_YEAR));
 360             b.templateDetailsYearSource.setOnClickListener(
 361                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_YEAR));
 362
 363             if (header.hasLiteralDateMonth()) {
 364                 b.templateDetailsMonthSource.setText(R.string.template_details_source_literal);
 365                 final Integer dateMonth = header.getDateMonth();
 366                 b.templateDetailsDateMonth.setText(
 367                         (dateMonth == null) ? null : String.valueOf(dateMonth));
 368                 b.templateDetailsDateMonthLayout.setVisibility(View.VISIBLE);
 369             }
 370             else {
 371                 b.templateDetailsDateMonthLayout.setVisibility(View.GONE);
 372                 b.templateDetailsMonthSource.setText(
 373                         String.format(Locale.US, groupNoText, header.getDateMonthMatchGroup(),
 374                                 getMatchGroupText(header.getDateMonthMatchGroup())));
 375             }
 376             b.templateDetailsMonthSourceLabel.setOnClickListener(
 377                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_MONTH));
 378             b.templateDetailsMonthSource.setOnClickListener(
 379                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_MONTH));
 380
 381             if (header.hasLiteralDateDay()) {
 382                 b.templateDetailsDaySource.setText(R.string.template_details_source_literal);
 383                 final Integer dateDay = header.getDateDay();
 384                 b.templateDetailsDateDay.setText(
 385                         (dateDay == null) ? null : String.valueOf(dateDay));
 386                 b.templateDetailsDateDayLayout.setVisibility(View.VISIBLE);
 387             }
 388             else {
 389                 b.templateDetailsDateDayLayout.setVisibility(View.GONE);
 390                 b.templateDetailsDaySource.setText(
 391                         String.format(Locale.US, groupNoText, header.getDateDayMatchGroup(),
 392                                 getMatchGroupText(header.getDateDayMatchGroup())));
 393             }
 394             b.templateDetailsDaySourceLabel.setOnClickListener(
 395                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 396             b.templateDetailsDaySource.setOnClickListener(
 397                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 398
 399             if (header.hasLiteralTransactionDescription()) {
 400                 b.templateTransactionDescriptionSource.setText(
 401                         R.string.template_details_source_literal);
 402                 b.transactionDescription.setText(header.getTransactionDescription());
 403                 b.transactionDescriptionLayout.setVisibility(View.VISIBLE);
 404             }
 405             else {
 406                 b.transactionDescriptionLayout.setVisibility(View.GONE);
 407                 b.templateTransactionDescriptionSource.setText(String.format(Locale.US, groupNoText,
 408                         header.getTransactionDescriptionMatchGroup(),
 409                         getMatchGroupText(header.getTransactionDescriptionMatchGroup())));
 410
 411             }
 412             b.templateTransactionDescriptionSourceLabel.setOnClickListener(
 413                     v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 414             b.templateTransactionDescriptionSource.setOnClickListener(
 415                     v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 416
 417             if (header.hasLiteralTransactionComment()) {
 418                 b.templateTransactionCommentSource.setText(
 419                         R.string.template_details_source_literal);
 420                 b.transactionComment.setText(header.getTransactionComment());
 421                 b.transactionCommentLayout.setVisibility(View.VISIBLE);
 422             }
 423             else {
 424                 b.transactionCommentLayout.setVisibility(View.GONE);
 425                 b.templateTransactionCommentSource.setText(String.format(Locale.US, groupNoText,
 426                         header.getTransactionCommentMatchGroup(),
 427                         getMatchGroupText(header.getTransactionCommentMatchGroup())));
 428
 429             }
 430             b.templateTransactionCommentSourceLabel.setOnClickListener(
 431                     v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 432             b.templateTransactionCommentSource.setOnClickListener(
 433                     v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 434
 435             b.templateDetailsHeadScanQrButton.setOnClickListener(this::scanTestQR);
 436
 437             checkPatternError(header);
 438         }
 439         private void checkPatternError(TemplateDetailsItem.Header item) {
 440             if (item.getPatternError() != null) {
 441                 b.patternLayout.setError(item.getPatternError());
 442                 b.patternHintTitle.setVisibility(View.GONE);
 443                 b.patternHintText.setVisibility(View.GONE);
 444             }
 445             else {
 446                 b.patternLayout.setError(null);
 447                 if (item.testMatch() != null) {
 448                     b.patternHintText.setText(item.testMatch());
 449                     b.patternHintTitle.setVisibility(View.VISIBLE);
 450                     b.patternHintText.setVisibility(View.VISIBLE);
 451                 }
 452                 else {
 453                     b.patternLayout.setError(null);
 454                     b.patternHintTitle.setVisibility(View.GONE);
 455                     b.patternHintText.setVisibility(View.GONE);
 456                 }
 457             }
 458
 459         }
 460         private void scanTestQR(View view) {
 461             QRScanCapableFragment.triggerQRScan();
 462         }
 463     }
 464
 465     public class AccountRow extends ViewHolder {
 466         private final TemplateDetailsAccountBinding b;
 467         public AccountRow(@NonNull TemplateDetailsAccountBinding binding) {
 468             super(binding.getRoot());
 469             b = binding;
 470
 471             TextWatcher accountNameWatcher = new TextWatcher() {
 472                 @Override
 473                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 474                 @Override
 475                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 476                 @Override
 477                 public void afterTextChanged(Editable s) {
 478                     TemplateDetailsItem.AccountRow accRow = getItem();
 479                     Logger.debug(D_TEMPLATE_UI,
 480                             "Storing changed account name " + s + "; accRow=" + accRow);
 481                     accRow.setAccountName(String.valueOf(s));
 482                 }
 483             };
 484             b.templateDetailsAccountName.addTextChangedListener(accountNameWatcher);
 485             b.templateDetailsAccountName.setAdapter(new AccountAutocompleteAdapter(b.getRoot()
 486                                                                                     .getContext()));
 487             b.templateDetailsAccountName.setOnItemClickListener(
 488                     (parent, view, position, id) -> b.templateDetailsAccountName.setText(
 489                             ((TextView) view).getText()));
 490             TextWatcher accountCommentWatcher = new TextWatcher() {
 491                 @Override
 492                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 493                 @Override
 494                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 495                 @Override
 496                 public void afterTextChanged(Editable s) {
 497                     TemplateDetailsItem.AccountRow accRow = getItem();
 498                     Logger.debug(D_TEMPLATE_UI,
 499                             "Storing changed account comment " + s + "; accRow=" + accRow);
 500                     accRow.setAccountComment(String.valueOf(s));
 501                 }
 502             };
 503             b.templateDetailsAccountComment.addTextChangedListener(accountCommentWatcher);
 504
 505             b.templateDetailsAccountAmount.addTextChangedListener(new TextWatcher() {
 506                 @Override
 507                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 508
 509                 }
 510                 @Override
 511                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 512
 513                 }
 514                 @Override
 515                 public void afterTextChanged(Editable s) {
 516                     TemplateDetailsItem.AccountRow accRow = getItem();
 517
 518                     String str = String.valueOf(s);
 519                     if (Misc.emptyIsNull(str) == null) {
 520                         accRow.setAmount(null);
 521                     }
 522                     else {
 523                         try {
 524                             final float amount = Data.parseNumber(str);
 525                             accRow.setAmount(amount);
 526                             b.templateDetailsAccountAmountLayout.setError(null);
 527
 528                             Logger.debug(D_TEMPLATE_UI, String.format(Locale.US,
 529                                     "Storing changed account amount %s [%4.2f]; accRow=%s", s,
 530                                     amount, accRow));
 531                         }
 532                         catch (NumberFormatException | ParseException e) {
 533                             b.templateDetailsAccountAmountLayout.setError("!");
 534                         }
 535                     }
 536                 }
 537             });
 538             b.templateDetailsAccountAmount.setOnFocusChangeListener((v, hasFocus) -> {
 539                 if (hasFocus)
 540                     return;
 541
 542                 TemplateDetailsItem.AccountRow accRow = getItem();
 543                 if (!accRow.hasLiteralAmount())
 544                     return;
 545                 Float amt = accRow.getAmount();
 546                 if (amt == null)
 547                     return;
 548
 549                 b.templateDetailsAccountAmount.setText(Data.formatNumber(amt));
 550             });
 551
 552             b.negateAmountSwitch.setOnCheckedChangeListener(
 553                     (buttonView, isChecked) -> getItem().setNegateAmount(isChecked));
 554         }
 555         @Override
 556         void bind(TemplateDetailsItem item) {
 557             String groupNoText = b.getRoot()
 558                                   .getResources()
 559                                   .getString(R.string.template_item_match_group_source);
 560
 561             TemplateDetailsItem.AccountRow accRow = item.asAccountRowItem();
 562             if (accRow.hasLiteralAccountName()) {
 563                 b.templateDetailsAccountNameLayout.setVisibility(View.VISIBLE);
 564                 b.templateDetailsAccountName.setText(accRow.getAccountName());
 565                 b.templateDetailsAccountNameSource.setText(
 566                         R.string.template_details_source_literal);
 567             }
 568             else {
 569                 b.templateDetailsAccountNameLayout.setVisibility(View.GONE);
 570                 b.templateDetailsAccountNameSource.setText(
 571                         String.format(Locale.US, groupNoText, accRow.getAccountNameMatchGroup(),
 572                                 getMatchGroupText(accRow.getAccountNameMatchGroup())));
 573             }
 574
 575             if (accRow.hasLiteralAccountComment()) {
 576                 b.templateDetailsAccountCommentLayout.setVisibility(View.VISIBLE);
 577                 b.templateDetailsAccountComment.setText(accRow.getAccountComment());
 578                 b.templateDetailsAccountCommentSource.setText(
 579                         R.string.template_details_source_literal);
 580             }
 581             else {
 582                 b.templateDetailsAccountCommentLayout.setVisibility(View.GONE);
 583                 b.templateDetailsAccountCommentSource.setText(
 584                         String.format(Locale.US, groupNoText, accRow.getAccountCommentMatchGroup(),
 585                                 getMatchGroupText(accRow.getAccountCommentMatchGroup())));
 586             }
 587
 588             if (accRow.hasLiteralAmount()) {
 589                 b.templateDetailsAccountAmountSource.setText(
 590                         R.string.template_details_source_literal);
 591                 b.templateDetailsAccountAmount.setVisibility(View.VISIBLE);
 592                 Float amt = accRow.getAmount();
 593                 b.templateDetailsAccountAmount.setText((amt == null) ? null : String.format(
 594                         Data.locale.getValue(), "%,4.2f", (accRow.getAmount())));
 595                 b.negateAmountSwitch.setVisibility(View.GONE);
 596             }
 597             else {
 598                 b.templateDetailsAccountAmountSource.setText(
 599                         String.format(Locale.US, groupNoText, accRow.getAmountMatchGroup(),
 600                                 getMatchGroupText(accRow.getAmountMatchGroup())));
 601                 b.templateDetailsAccountAmountLayout.setVisibility(View.GONE);
 602                 b.negateAmountSwitch.setVisibility(View.VISIBLE);
 603                 b.negateAmountSwitch.setChecked(accRow.isNegateAmount());
 604             }
 605
 606             b.templateAccountNameSourceLabel.setOnClickListener(
 607                     v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 608             b.templateDetailsAccountNameSource.setOnClickListener(
 609                     v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 610             b.templateAccountCommentSourceLabel.setOnClickListener(
 611                     v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 612             b.templateDetailsAccountCommentSource.setOnClickListener(
 613                     v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 614             b.templateAccountAmountSourceLabel.setOnClickListener(
 615                     v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 616             b.templateDetailsAccountAmountSource.setOnClickListener(
 617                     v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 618         }
 619         private @NotNull TemplateDetailsItem.AccountRow getItem() {
 620             return differ.getCurrentList()
 621                          .get(getAdapterPosition())
 622                          .asAccountRowItem();
 623         }
 624         private void selectAccountRowDetailSource(View v, AccDetail detail) {
 625             TemplateDetailsItem.AccountRow accRow = getItem();
 626             final TemplateDetailsItem.Header header = getHeader();
 627             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 628             TemplateDetailSourceSelectorFragment sel =
 629                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 630                             header.getTestText());
 631             sel.setOnSourceSelectedListener((literal, group) -> {
 632                 if (literal) {
 633                     switch (detail) {
 634                         case ACCOUNT:
 635                             accRow.switchToLiteralAccountName();
 636                             break;
 637                         case COMMENT:
 638                             accRow.switchToLiteralAccountComment();
 639                             break;
 640                         case AMOUNT:
 641                             accRow.switchToLiteralAmount();
 642                             break;
 643                         default:
 644                             throw new IllegalStateException("Unexpected detail " + detail);
 645                     }
 646                 }
 647                 else {
 648                     switch (detail) {
 649                         case ACCOUNT:
 650                             accRow.setAccountNameMatchGroup(group);
 651                             break;
 652                         case COMMENT:
 653                             accRow.setAccountCommentMatchGroup(group);
 654                             break;
 655                         case AMOUNT:
 656                             accRow.setAmountMatchGroup(group);
 657                             break;
 658                         default:
 659                             throw new IllegalStateException("Unexpected detail " + detail);
 660                     }
 661                 }
 662
 663                 notifyItemChanged(getAdapterPosition());
 664             });
 665             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 666             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 667         }
 668     }
 669 }