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(v -> selectHeaderDetailSource(v,
 377                     HeaderDetail.DATE_MONTH));
 378             b.templateDetailsMonthSource.setOnClickListener(v -> selectHeaderDetailSource(v,
 379                     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((dateDay == null) ? null : String.valueOf(dateDay));
 385                 b.templateDetailsDateDayLayout.setVisibility(View.VISIBLE);
 386             }
 387             else {
 388                 b.templateDetailsDateDayLayout.setVisibility(View.GONE);
 389                 b.templateDetailsDaySource.setText(
 390                         String.format(Locale.US, groupNoText, header.getDateDayMatchGroup(),
 391                                 getMatchGroupText(header.getDateDayMatchGroup())));
 392             }
 393             b.templateDetailsDaySourceLabel.setOnClickListener(v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 394             b.templateDetailsDaySource.setOnClickListener(v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 395
 396             if (header.hasLiteralTransactionDescription()) {
 397                 b.templateTransactionDescriptionSource.setText(R.string.template_details_source_literal);
 398                 b.transactionDescription.setText(header.getTransactionDescription());
 399                 b.transactionDescriptionLayout.setVisibility(View.VISIBLE);
 400             }
 401             else {
 402                 b.transactionDescriptionLayout.setVisibility(View.GONE);
 403                 b.templateTransactionDescriptionSource.setText(String.format(Locale.US, groupNoText,
 404                         header.getTransactionDescriptionMatchGroup(),
 405                         getMatchGroupText(header.getTransactionDescriptionMatchGroup())));
 406
 407             }
 408             b.templateTransactionDescriptionSourceLabel.setOnClickListener(v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 409             b.templateTransactionDescriptionSource.setOnClickListener(v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 410
 411             if (header.hasLiteralTransactionComment()) {
 412                 b.templateTransactionCommentSource.setText(R.string.template_details_source_literal);
 413                 b.transactionComment.setText(header.getTransactionComment());
 414                 b.transactionCommentLayout.setVisibility(View.VISIBLE);
 415             }
 416             else {
 417                 b.transactionCommentLayout.setVisibility(View.GONE);
 418                 b.templateTransactionCommentSource.setText(String.format(Locale.US, groupNoText,
 419                         header.getTransactionCommentMatchGroup(),
 420                         getMatchGroupText(header.getTransactionCommentMatchGroup())));
 421
 422             }
 423             b.templateTransactionCommentSourceLabel.setOnClickListener(
 424                     v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 425             b.templateTransactionCommentSource.setOnClickListener(
 426                     v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 427
 428             b.templateDetailsHeadScanQrButton.setOnClickListener(this::scanTestQR);
 429
 430             checkPatternError(header);
 431         }
 432         private void checkPatternError(TemplateDetailsItem.Header item) {
 433             if (item.getPatternError() != null) {
 434                 b.patternLayout.setError(item.getPatternError());
 435                 b.patternHintTitle.setVisibility(View.GONE);
 436                 b.patternHintText.setVisibility(View.GONE);
 437             }
 438             else {
 439                 b.patternLayout.setError(null);
 440                 if (item.testMatch() != null) {
 441                     b.patternHintText.setText(item.testMatch());
 442                     b.patternHintTitle.setVisibility(View.VISIBLE);
 443                     b.patternHintText.setVisibility(View.VISIBLE);
 444                 }
 445                 else {
 446                     b.patternLayout.setError(null);
 447                     b.patternHintTitle.setVisibility(View.GONE);
 448                     b.patternHintText.setVisibility(View.GONE);
 449                 }
 450             }
 451
 452         }
 453         private void scanTestQR(View view) {
 454             QRScanCapableFragment.triggerQRScan();
 455         }
 456     }
 457
 458     public class AccountRow extends ViewHolder {
 459         private final TemplateDetailsAccountBinding b;
 460         public AccountRow(@NonNull TemplateDetailsAccountBinding binding) {
 461             super(binding.getRoot());
 462             b = binding;
 463
 464             TextWatcher accountNameWatcher = new TextWatcher() {
 465                 @Override
 466                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 467                 @Override
 468                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 469                 @Override
 470                 public void afterTextChanged(Editable s) {
 471                     TemplateDetailsItem.AccountRow accRow = getItem();
 472                     Logger.debug(D_TEMPLATE_UI,
 473                             "Storing changed account name " + s + "; accRow=" + accRow);
 474                     accRow.setAccountName(String.valueOf(s));
 475                 }
 476             };
 477             b.templateDetailsAccountName.addTextChangedListener(accountNameWatcher);
 478             b.templateDetailsAccountName.setAdapter(new AccountAutocompleteAdapter(b.getRoot()
 479                                                                                     .getContext()));
 480             b.templateDetailsAccountName.setOnItemClickListener(
 481                     (parent, view, position, id) -> b.templateDetailsAccountName.setText(
 482                             ((TextView) view).getText()));
 483             TextWatcher accountCommentWatcher = new TextWatcher() {
 484                 @Override
 485                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 486                 @Override
 487                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 488                 @Override
 489                 public void afterTextChanged(Editable s) {
 490                     TemplateDetailsItem.AccountRow accRow = getItem();
 491                     Logger.debug(D_TEMPLATE_UI,
 492                             "Storing changed account comment " + s + "; accRow=" + accRow);
 493                     accRow.setAccountComment(String.valueOf(s));
 494                 }
 495             };
 496             b.templateDetailsAccountComment.addTextChangedListener(accountCommentWatcher);
 497
 498             b.templateDetailsAccountAmount.addTextChangedListener(new TextWatcher() {
 499                 @Override
 500                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 501
 502                 }
 503                 @Override
 504                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 505
 506                 }
 507                 @Override
 508                 public void afterTextChanged(Editable s) {
 509                     TemplateDetailsItem.AccountRow accRow = getItem();
 510
 511                     String str = String.valueOf(s);
 512                     if (Misc.emptyIsNull(str) == null) {
 513                         accRow.setAmount(null);
 514                     }
 515                     else {
 516                         try {
 517                             final float amount = Data.parseNumber(str);
 518                             accRow.setAmount(amount);
 519                             b.templateDetailsAccountAmountLayout.setError(null);
 520
 521                             Logger.debug(D_TEMPLATE_UI, String.format(Locale.US,
 522                                     "Storing changed account amount %s [%4.2f]; accRow=%s", s,
 523                                     amount, accRow));
 524                         }
 525                         catch (NumberFormatException | ParseException e) {
 526                             b.templateDetailsAccountAmountLayout.setError("!");
 527                         }
 528                     }
 529                 }
 530             });
 531             b.templateDetailsAccountAmount.setOnFocusChangeListener((v, hasFocus) -> {
 532                 if (hasFocus)
 533                     return;
 534
 535                 TemplateDetailsItem.AccountRow accRow = getItem();
 536                 if (!accRow.hasLiteralAmount())
 537                     return;
 538                 Float amt = accRow.getAmount();
 539                 if (amt == null)
 540                     return;
 541
 542                 b.templateDetailsAccountAmount.setText(Data.formatNumber(amt));
 543             });
 544
 545             b.negateAmountSwitch.setOnCheckedChangeListener(
 546                     (buttonView, isChecked) -> getItem().setNegateAmount(isChecked));
 547         }
 548         @Override
 549         void bind(TemplateDetailsItem item) {
 550             String groupNoText = b.getRoot()
 551                                   .getResources()
 552                                   .getString(R.string.template_item_match_group_source);
 553
 554             TemplateDetailsItem.AccountRow accRow = item.asAccountRowItem();
 555             if (accRow.hasLiteralAccountName()) {
 556                 b.templateDetailsAccountNameLayout.setVisibility(View.VISIBLE);
 557                 b.templateDetailsAccountName.setText(accRow.getAccountName());
 558                 b.templateDetailsAccountNameSource.setText(
 559                         R.string.template_details_source_literal);
 560             }
 561             else {
 562                 b.templateDetailsAccountNameLayout.setVisibility(View.GONE);
 563                 b.templateDetailsAccountNameSource.setText(
 564                         String.format(Locale.US, groupNoText, accRow.getAccountNameMatchGroup(),
 565                                 getMatchGroupText(accRow.getAccountNameMatchGroup())));
 566             }
 567
 568             if (accRow.hasLiteralAccountComment()) {
 569                 b.templateDetailsAccountCommentLayout.setVisibility(View.VISIBLE);
 570                 b.templateDetailsAccountComment.setText(accRow.getAccountComment());
 571                 b.templateDetailsAccountCommentSource.setText(
 572                         R.string.template_details_source_literal);
 573             }
 574             else {
 575                 b.templateDetailsAccountCommentLayout.setVisibility(View.GONE);
 576                 b.templateDetailsAccountCommentSource.setText(
 577                         String.format(Locale.US, groupNoText, accRow.getAccountCommentMatchGroup(),
 578                                 getMatchGroupText(accRow.getAccountCommentMatchGroup())));
 579             }
 580
 581             if (accRow.hasLiteralAmount()) {
 582                 b.templateDetailsAccountAmountSource.setText(
 583                         R.string.template_details_source_literal);
 584                 b.templateDetailsAccountAmount.setVisibility(View.VISIBLE);
 585                 Float amt = accRow.getAmount();
 586                 b.templateDetailsAccountAmount.setText((amt == null) ? null : String.format(
 587                         Data.locale.getValue(), "%,4.2f", (accRow.getAmount())));
 588                 b.negateAmountSwitch.setVisibility(View.GONE);
 589             }
 590             else {
 591                 b.templateDetailsAccountAmountSource.setText(
 592                         String.format(Locale.US, groupNoText, accRow.getAmountMatchGroup(),
 593                                 getMatchGroupText(accRow.getAmountMatchGroup())));
 594                 b.templateDetailsAccountAmountLayout.setVisibility(View.GONE);
 595                 b.negateAmountSwitch.setVisibility(View.VISIBLE);
 596                 b.negateAmountSwitch.setChecked(accRow.isNegateAmount());
 597             }
 598
 599             b.templateAccountNameSourceLabel.setOnClickListener(
 600                     v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 601             b.templateDetailsAccountNameSource.setOnClickListener(
 602                     v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 603             b.templateAccountCommentSourceLabel.setOnClickListener(
 604                     v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 605             b.templateDetailsAccountCommentSource.setOnClickListener(
 606                     v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 607             b.templateAccountAmountSourceLabel.setOnClickListener(
 608                     v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 609             b.templateDetailsAccountAmountSource.setOnClickListener(
 610                     v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 611         }
 612         private @NotNull TemplateDetailsItem.AccountRow getItem() {
 613             return differ.getCurrentList()
 614                          .get(getAdapterPosition())
 615                          .asAccountRowItem();
 616         }
 617         private void selectAccountRowDetailSource(View v, AccDetail detail) {
 618             TemplateDetailsItem.AccountRow accRow = getItem();
 619             final TemplateDetailsItem.Header header = getHeader();
 620             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 621             TemplateDetailSourceSelectorFragment sel =
 622                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 623                             header.getTestText());
 624             sel.setOnSourceSelectedListener((literal, group) -> {
 625                 if (literal) {
 626                     switch (detail) {
 627                         case ACCOUNT:
 628                             accRow.switchToLiteralAccountName();
 629                             break;
 630                         case COMMENT:
 631                             accRow.switchToLiteralAccountComment();
 632                             break;
 633                         case AMOUNT:
 634                             accRow.switchToLiteralAmount();
 635                             break;
 636                         default:
 637                             throw new IllegalStateException("Unexpected detail " + detail);
 638                     }
 639                 }
 640                 else {
 641                     switch (detail) {
 642                         case ACCOUNT:
 643                             accRow.setAccountNameMatchGroup(group);
 644                             break;
 645                         case COMMENT:
 646                             accRow.setAccountCommentMatchGroup(group);
 647                             break;
 648                         case AMOUNT:
 649                             accRow.setAmountMatchGroup(group);
 650                             break;
 651                         default:
 652                             throw new IllegalStateException("Unexpected detail " + detail);
 653                     }
 654                 }
 655
 656                 notifyItemChanged(getAdapterPosition());
 657             });
 658             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 659             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 660         }
 661     }
 662 }