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.annotation.SuppressLint;
  21 import android.content.res.Resources;
  22 import android.text.Editable;
  23 import android.text.TextWatcher;
  24 import android.view.LayoutInflater;
  25 import android.view.MotionEvent;
  26 import android.view.View;
  27 import android.view.ViewGroup;
  28 import android.widget.TextView;
  29
  30 import androidx.annotation.NonNull;
  31 import androidx.appcompat.app.AppCompatActivity;
  32 import androidx.recyclerview.widget.AsyncListDiffer;
  33 import androidx.recyclerview.widget.DiffUtil;
  34 import androidx.recyclerview.widget.ItemTouchHelper;
  35 import androidx.recyclerview.widget.RecyclerView;
  36
  37 import net.ktnx.mobileledger.BuildConfig;
  38 import net.ktnx.mobileledger.R;
  39 import net.ktnx.mobileledger.databinding.TemplateDetailsAccountBinding;
  40 import net.ktnx.mobileledger.databinding.TemplateDetailsHeaderBinding;
  41 import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
  42 import net.ktnx.mobileledger.model.Data;
  43 import net.ktnx.mobileledger.model.TemplateDetailsItem;
  44 import net.ktnx.mobileledger.ui.QRScanCapableFragment;
  45 import net.ktnx.mobileledger.ui.TemplateDetailSourceSelectorFragment;
  46 import net.ktnx.mobileledger.utils.Logger;
  47 import net.ktnx.mobileledger.utils.Misc;
  48
  49 import org.jetbrains.annotations.NotNull;
  50
  51 import java.text.ParseException;
  52 import java.util.List;
  53 import java.util.Locale;
  54 import java.util.regex.Matcher;
  55 import java.util.regex.Pattern;
  56
  57 class TemplateDetailsAdapter extends RecyclerView.Adapter<TemplateDetailsAdapter.ViewHolder> {
  58     private static final String D_TEMPLATE_UI = "template-ui";
  59     private final AsyncListDiffer<TemplateDetailsItem> differ;
  60     private final TemplateDetailsViewModel mModel;
  61     private final ItemTouchHelper itemTouchHelper;
  62     public TemplateDetailsAdapter(TemplateDetailsViewModel model) {
  63         super();
  64         mModel = model;
  65         setHasStableIds(true);
  66         differ = new AsyncListDiffer<>(this, new DiffUtil.ItemCallback<TemplateDetailsItem>() {
  67             @Override
  68             public boolean areItemsTheSame(@NonNull TemplateDetailsItem oldItem,
  69                                            @NonNull TemplateDetailsItem newItem) {
  70                 if (oldItem.getType() != newItem.getType())
  71                     return false;
  72                 if (oldItem.getType()
  73                            .equals(TemplateDetailsItem.Type.HEADER))
  74                     return true;    // only one header item, ever
  75                 // the rest is comparing two account row items
  76                 return oldItem.asAccountRowItem()
  77                               .getId() == newItem.asAccountRowItem()
  78                                                  .getId();
  79             }
  80             @Override
  81             public boolean areContentsTheSame(@NonNull TemplateDetailsItem oldItem,
  82                                               @NonNull TemplateDetailsItem newItem) {
  83                 if (oldItem.getType()
  84                            .equals(TemplateDetailsItem.Type.HEADER))
  85                 {
  86                     TemplateDetailsItem.Header oldHeader = oldItem.asHeaderItem();
  87                     TemplateDetailsItem.Header newHeader = newItem.asHeaderItem();
  88
  89                     return oldHeader.equalContents(newHeader);
  90                 }
  91                 else {
  92                     TemplateDetailsItem.AccountRow oldAcc = oldItem.asAccountRowItem();
  93                     TemplateDetailsItem.AccountRow newAcc = newItem.asAccountRowItem();
  94
  95                     return oldAcc.equalContents(newAcc);
  96                 }
  97             }
  98         });
  99         itemTouchHelper = new ItemTouchHelper(new ItemTouchHelper.Callback() {
 100             @Override
 101             public float getMoveThreshold(@NonNull RecyclerView.ViewHolder viewHolder) {
 102                 return 0.5f;
 103             }
 104             @Override
 105             public boolean isLongPressDragEnabled() {
 106                 return false;
 107             }
 108             @Override
 109             public RecyclerView.ViewHolder chooseDropTarget(
 110                     @NonNull RecyclerView.ViewHolder selected,
 111                     @NonNull List<RecyclerView.ViewHolder> dropTargets, int curX, int curY) {
 112                 RecyclerView.ViewHolder best = null;
 113                 int bestDistance = 0;
 114                 for (RecyclerView.ViewHolder v : dropTargets) {
 115                     if (v == selected)
 116                         continue;
 117
 118                     final int viewTop = v.itemView.getTop();
 119                     int distance = Math.abs(viewTop - curY);
 120                     if (best == null) {
 121                         best = v;
 122                         bestDistance = distance;
 123                     }
 124                     else {
 125                         if (distance < bestDistance) {
 126                             bestDistance = distance;
 127                             best = v;
 128                         }
 129                     }
 130                 }
 131
 132                 Logger.debug("dnd", "Best target is " + best);
 133                 return best;
 134             }
 135             @Override
 136             public boolean canDropOver(@NonNull RecyclerView recyclerView,
 137                                        @NonNull RecyclerView.ViewHolder current,
 138                                        @NonNull RecyclerView.ViewHolder target) {
 139                 final int adapterPosition = target.getAdapterPosition();
 140
 141                 // first item is immovable
 142                 if (adapterPosition == 0)
 143                     return false;
 144
 145                 return super.canDropOver(recyclerView, current, target);
 146             }
 147             @Override
 148             public int getMovementFlags(@NonNull RecyclerView recyclerView,
 149                                         @NonNull RecyclerView.ViewHolder viewHolder) {
 150                 int flags = 0;
 151                 // the top item (transaction params) is always there
 152                 final int adapterPosition = viewHolder.getAdapterPosition();
 153                 if (adapterPosition > 0)
 154                     flags |= makeFlag(ItemTouchHelper.ACTION_STATE_DRAG,
 155                             ItemTouchHelper.UP | ItemTouchHelper.DOWN) |
 156                              makeFlag(ItemTouchHelper.ACTION_STATE_SWIPE,
 157                                      ItemTouchHelper.START | ItemTouchHelper.END);
 158
 159                 return flags;
 160             }
 161             @Override
 162             public boolean onMove(@NonNull RecyclerView recyclerView,
 163                                   @NonNull RecyclerView.ViewHolder viewHolder,
 164                                   @NonNull RecyclerView.ViewHolder target) {
 165
 166                 final int fromPosition = viewHolder.getAdapterPosition();
 167                 final int toPosition = target.getAdapterPosition();
 168                 if (fromPosition == toPosition) {
 169                     Logger.debug("drag", String.format(Locale.US,
 170                             "Ignoring request to move an account from position %d to %d",
 171                             fromPosition, toPosition));
 172                     return false;
 173                 }
 174
 175                 Logger.debug("drag",
 176                         String.format(Locale.US, "Moving account from %d to %d", fromPosition,
 177                                 toPosition));
 178                 mModel.moveItem(fromPosition, toPosition);
 179
 180                 return true;
 181             }
 182             @Override
 183             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
 184                 int pos = viewHolder.getAdapterPosition();
 185                 mModel.removeItem(pos);
 186             }
 187         });
 188     }
 189     @Override
 190     public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
 191         super.onAttachedToRecyclerView(recyclerView);
 192
 193         itemTouchHelper.attachToRecyclerView(recyclerView);
 194     }
 195     @Override
 196     public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
 197         super.onDetachedFromRecyclerView(recyclerView);
 198
 199         itemTouchHelper.attachToRecyclerView(null);
 200     }
 201     @Override
 202     public long getItemId(int position) {
 203         // header item is always first and IDs id may duplicate some of the account IDs
 204         if (position == 0)
 205             return 0;
 206         TemplateDetailsItem.AccountRow accRow = differ.getCurrentList()
 207                                                       .get(position)
 208                                                       .asAccountRowItem();
 209         return accRow.getId();
 210     }
 211     @Override
 212     public int getItemViewType(int position) {
 213
 214         return differ.getCurrentList()
 215                      .get(position)
 216                      .getType()
 217                      .toInt();
 218     }
 219     @NonNull
 220     @Override
 221     public TemplateDetailsAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
 222                                                                 int viewType) {
 223         final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
 224         switch (viewType) {
 225             case TemplateDetailsItem.TYPE.header:
 226                 return new Header(TemplateDetailsHeaderBinding.inflate(inflater, parent, false));
 227             case TemplateDetailsItem.TYPE.accountItem:
 228                 return new AccountRow(
 229                         TemplateDetailsAccountBinding.inflate(inflater, parent, false));
 230             default:
 231                 throw new IllegalStateException("Unsupported view type " + viewType);
 232         }
 233     }
 234     @Override
 235     public void onBindViewHolder(@NonNull TemplateDetailsAdapter.ViewHolder holder, int position) {
 236         TemplateDetailsItem item = differ.getCurrentList()
 237                                          .get(position);
 238         holder.bind(item);
 239     }
 240     @Override
 241     public int getItemCount() {
 242         return differ.getCurrentList()
 243                      .size();
 244     }
 245     public void setItems(List<TemplateDetailsItem> items) {
 246         if (BuildConfig.DEBUG) {
 247             Logger.debug("tmpl", "Got new list");
 248             for (int i = 1; i < items.size(); i++) {
 249                 final TemplateDetailsItem item = items.get(i);
 250                 Logger.debug("tmpl",
 251                         String.format(Locale.US, "  %d: id %d, pos %d", i, item.getId(), item.getPosition()));
 252             }
 253         }
 254         differ.submitList(items);
 255     }
 256     public String getMatchGroupText(int groupNumber) {
 257         TemplateDetailsItem.Header header = getHeader();
 258         Pattern p = header.getCompiledPattern();
 259         if (p == null)
 260             return null;
 261
 262         final String testText = Misc.nullIsEmpty(header.getTestText());
 263         Matcher m = p.matcher(testText);
 264         if (m.matches() && m.groupCount() >= groupNumber)
 265             return m.group(groupNumber);
 266         else
 267             return null;
 268     }
 269     protected TemplateDetailsItem.Header getHeader() {
 270         return differ.getCurrentList()
 271                      .get(0)
 272                      .asHeaderItem();
 273     }
 274
 275     private enum HeaderDetail {DESCRIPTION, COMMENT, DATE_YEAR, DATE_MONTH, DATE_DAY}
 276
 277     private enum AccDetail {ACCOUNT, COMMENT, AMOUNT}
 278
 279     public abstract static class ViewHolder extends RecyclerView.ViewHolder {
 280         ViewHolder(@NonNull View itemView) {
 281             super(itemView);
 282         }
 283         abstract void bind(TemplateDetailsItem item);
 284     }
 285
 286     private abstract static class BaseItem extends ViewHolder {
 287         boolean updatePropagationDisabled = false;
 288         BaseItem(@NonNull View itemView) {
 289             super(itemView);
 290         }
 291         void disableUpdatePropagation() {
 292             updatePropagationDisabled = true;
 293         }
 294         void enableUpdatePropagation() {
 295             updatePropagationDisabled = false;
 296         }
 297     }
 298
 299     public class Header extends BaseItem {
 300         private final TemplateDetailsHeaderBinding b;
 301         boolean updatePropagationDisabled = false;
 302         public Header(@NonNull TemplateDetailsHeaderBinding binding) {
 303             super(binding.getRoot());
 304             b = binding;
 305
 306             TextWatcher templateNameWatcher = new TextWatcher() {
 307                 @Override
 308                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 309                 @Override
 310                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 311                 @Override
 312                 public void afterTextChanged(Editable s) {
 313                     if (updatePropagationDisabled)
 314                         return;
 315
 316                     final TemplateDetailsItem.Header header = getItem();
 317                     Logger.debug(D_TEMPLATE_UI,
 318                             "Storing changed template name " + s + "; header=" + header);
 319                     header.setName(String.valueOf(s));
 320                 }
 321             };
 322             b.templateName.addTextChangedListener(templateNameWatcher);
 323
 324             TextWatcher patternWatcher = new TextWatcher() {
 325                 @Override
 326                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 327                 @Override
 328                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 329                 @Override
 330                 public void afterTextChanged(Editable s) {
 331                     if (updatePropagationDisabled)
 332                         return;
 333
 334                     final TemplateDetailsItem.Header header = getItem();
 335                     Logger.debug(D_TEMPLATE_UI,
 336                             "Storing changed pattern " + s + "; header=" + header);
 337                     header.setPattern(String.valueOf(s));
 338
 339                     checkPatternError(header);
 340                 }
 341             };
 342             b.pattern.addTextChangedListener(patternWatcher);
 343
 344             TextWatcher testTextWatcher = new TextWatcher() {
 345                 @Override
 346                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 347                 @Override
 348                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 349                 @Override
 350                 public void afterTextChanged(Editable s) {
 351                     if (updatePropagationDisabled)
 352                         return;
 353
 354                     final TemplateDetailsItem.Header header = getItem();
 355                     Logger.debug(D_TEMPLATE_UI,
 356                             "Storing changed test text " + s + "; header=" + header);
 357                     header.setTestText(String.valueOf(s));
 358
 359                     checkPatternError(header);
 360                 }
 361             };
 362             b.testText.addTextChangedListener(testTextWatcher);
 363
 364             TextWatcher transactionDescriptionWatcher = new TextWatcher() {
 365                 @Override
 366                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 367                 }
 368                 @Override
 369                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 370                 }
 371                 @Override
 372                 public void afterTextChanged(Editable s) {
 373                     if (updatePropagationDisabled)
 374                         return;
 375
 376                     final TemplateDetailsItem.Header header = getItem();
 377                     Logger.debug(D_TEMPLATE_UI,
 378                             "Storing changed transaction description " + s + "; header=" + header);
 379                     header.setTransactionDescription(String.valueOf(s));
 380                 }
 381             };
 382             b.transactionDescription.addTextChangedListener(transactionDescriptionWatcher);
 383             TextWatcher transactionCommentWatcher = new TextWatcher() {
 384                 @Override
 385                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 386                 }
 387                 @Override
 388                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 389                 }
 390                 @Override
 391                 public void afterTextChanged(Editable s) {
 392                     if (updatePropagationDisabled)
 393                         return;
 394
 395                     final TemplateDetailsItem.Header header = getItem();
 396                     Logger.debug(D_TEMPLATE_UI,
 397                             "Storing changed transaction description " + s + "; header=" + header);
 398                     header.setTransactionComment(String.valueOf(s));
 399                 }
 400             };
 401             b.transactionComment.addTextChangedListener(transactionCommentWatcher);
 402
 403             b.templateIsFallbackSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
 404                 if (updatePropagationDisabled)
 405                     return;
 406
 407                 getItem().setFallback(isChecked);
 408                 b.templateIsFallbackText.setText(isChecked ? R.string.template_is_fallback_yes
 409                                                            : R.string.template_is_fallback_no);
 410             });
 411             final View.OnClickListener fallbackLabelClickListener =
 412                     (view) -> b.templateIsFallbackSwitch.toggle();
 413             b.templateIsFallbackLabel.setOnClickListener(fallbackLabelClickListener);
 414             b.templateIsFallbackText.setOnClickListener(fallbackLabelClickListener);
 415         }
 416         @NotNull
 417         private TemplateDetailsItem.Header getItem() {
 418             int pos = getAdapterPosition();
 419             return differ.getCurrentList()
 420                          .get(pos)
 421                          .asHeaderItem();
 422         }
 423         private void selectHeaderDetailSource(View v, HeaderDetail detail) {
 424             TemplateDetailsItem.Header header = getItem();
 425             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 426             TemplateDetailSourceSelectorFragment sel =
 427                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 428                             header.getTestText());
 429             sel.setOnSourceSelectedListener((literal, group) -> {
 430                 if (literal) {
 431                     switch (detail) {
 432                         case DESCRIPTION:
 433                             header.switchToLiteralTransactionDescription();
 434                             break;
 435                         case COMMENT:
 436                             header.switchToLiteralTransactionComment();
 437                             break;
 438                         case DATE_YEAR:
 439                             header.switchToLiteralDateYear();
 440                             break;
 441                         case DATE_MONTH:
 442                             header.switchToLiteralDateMonth();
 443                             break;
 444                         case DATE_DAY:
 445                             header.switchToLiteralDateDay();
 446                             break;
 447                         default:
 448                             throw new IllegalStateException("Unexpected detail " + detail);
 449                     }
 450                 }
 451                 else {
 452                     switch (detail) {
 453                         case DESCRIPTION:
 454                             header.setTransactionDescriptionMatchGroup(group);
 455                             break;
 456                         case COMMENT:
 457                             header.setTransactionCommentMatchGroup(group);
 458                             break;
 459                         case DATE_YEAR:
 460                             header.setDateYearMatchGroup(group);
 461                             break;
 462                         case DATE_MONTH:
 463                             header.setDateMonthMatchGroup(group);
 464                             break;
 465                         case DATE_DAY:
 466                             header.setDateDayMatchGroup(group);
 467                             break;
 468                         default:
 469                             throw new IllegalStateException("Unexpected detail " + detail);
 470                     }
 471                 }
 472
 473                 notifyItemChanged(getAdapterPosition());
 474             });
 475             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 476             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 477         }
 478         @Override
 479         void bind(TemplateDetailsItem item) {
 480             TemplateDetailsItem.Header header = item.asHeaderItem();
 481             Logger.debug(D_TEMPLATE_UI, "Binding to header " + header);
 482
 483             disableUpdatePropagation();
 484             try {
 485                 String groupNoText = b.getRoot()
 486                                       .getResources()
 487                                       .getString(R.string.template_item_match_group_source);
 488
 489                 b.templateName.setText(header.getName());
 490                 b.pattern.setText(header.getPattern());
 491                 b.testText.setText(header.getTestText());
 492
 493                 if (header.hasLiteralDateYear()) {
 494                     b.templateDetailsYearSource.setText(R.string.template_details_source_literal);
 495                     final Integer dateYear = header.getDateYear();
 496                     b.templateDetailsDateYear.setText(
 497                             (dateYear == null) ? null : String.valueOf(dateYear));
 498                     b.templateDetailsDateYearLayout.setVisibility(View.VISIBLE);
 499                 }
 500                 else {
 501                     b.templateDetailsDateYearLayout.setVisibility(View.GONE);
 502                     b.templateDetailsYearSource.setText(
 503                             String.format(Locale.US, groupNoText, header.getDateYearMatchGroup(),
 504                                     getMatchGroupText(header.getDateYearMatchGroup())));
 505                 }
 506                 b.templateDetailsYearSourceLabel.setOnClickListener(
 507                         v -> selectHeaderDetailSource(v, HeaderDetail.DATE_YEAR));
 508                 b.templateDetailsYearSource.setOnClickListener(
 509                         v -> selectHeaderDetailSource(v, HeaderDetail.DATE_YEAR));
 510
 511                 if (header.hasLiteralDateMonth()) {
 512                     b.templateDetailsMonthSource.setText(R.string.template_details_source_literal);
 513                     final Integer dateMonth = header.getDateMonth();
 514                     b.templateDetailsDateMonth.setText(
 515                             (dateMonth == null) ? null : String.valueOf(dateMonth));
 516                     b.templateDetailsDateMonthLayout.setVisibility(View.VISIBLE);
 517                 }
 518                 else {
 519                     b.templateDetailsDateMonthLayout.setVisibility(View.GONE);
 520                     b.templateDetailsMonthSource.setText(
 521                             String.format(Locale.US, groupNoText, header.getDateMonthMatchGroup(),
 522                                     getMatchGroupText(header.getDateMonthMatchGroup())));
 523                 }
 524                 b.templateDetailsMonthSourceLabel.setOnClickListener(
 525                         v -> selectHeaderDetailSource(v, HeaderDetail.DATE_MONTH));
 526                 b.templateDetailsMonthSource.setOnClickListener(
 527                         v -> selectHeaderDetailSource(v, HeaderDetail.DATE_MONTH));
 528
 529                 if (header.hasLiteralDateDay()) {
 530                     b.templateDetailsDaySource.setText(R.string.template_details_source_literal);
 531                     final Integer dateDay = header.getDateDay();
 532                     b.templateDetailsDateDay.setText(
 533                             (dateDay == null) ? null : String.valueOf(dateDay));
 534                     b.templateDetailsDateDayLayout.setVisibility(View.VISIBLE);
 535                 }
 536                 else {
 537                     b.templateDetailsDateDayLayout.setVisibility(View.GONE);
 538                     b.templateDetailsDaySource.setText(
 539                             String.format(Locale.US, groupNoText, header.getDateDayMatchGroup(),
 540                                     getMatchGroupText(header.getDateDayMatchGroup())));
 541                 }
 542                 b.templateDetailsDaySourceLabel.setOnClickListener(
 543                         v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 544                 b.templateDetailsDaySource.setOnClickListener(
 545                         v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 546
 547                 if (header.hasLiteralTransactionDescription()) {
 548                     b.templateTransactionDescriptionSource.setText(
 549                             R.string.template_details_source_literal);
 550                     b.transactionDescription.setText(header.getTransactionDescription());
 551                     b.transactionDescriptionLayout.setVisibility(View.VISIBLE);
 552                 }
 553                 else {
 554                     b.transactionDescriptionLayout.setVisibility(View.GONE);
 555                     b.templateTransactionDescriptionSource.setText(
 556                             String.format(Locale.US, groupNoText,
 557                                     header.getTransactionDescriptionMatchGroup(), getMatchGroupText(
 558                                             header.getTransactionDescriptionMatchGroup())));
 559
 560                 }
 561                 b.templateTransactionDescriptionSourceLabel.setOnClickListener(
 562                         v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 563                 b.templateTransactionDescriptionSource.setOnClickListener(
 564                         v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 565
 566                 if (header.hasLiteralTransactionComment()) {
 567                     b.templateTransactionCommentSource.setText(
 568                             R.string.template_details_source_literal);
 569                     b.transactionComment.setText(header.getTransactionComment());
 570                     b.transactionCommentLayout.setVisibility(View.VISIBLE);
 571                 }
 572                 else {
 573                     b.transactionCommentLayout.setVisibility(View.GONE);
 574                     b.templateTransactionCommentSource.setText(String.format(Locale.US, groupNoText,
 575                             header.getTransactionCommentMatchGroup(),
 576                             getMatchGroupText(header.getTransactionCommentMatchGroup())));
 577
 578                 }
 579                 b.templateTransactionCommentSourceLabel.setOnClickListener(
 580                         v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 581                 b.templateTransactionCommentSource.setOnClickListener(
 582                         v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 583
 584                 b.templateDetailsHeadScanQrButton.setOnClickListener(this::scanTestQR);
 585
 586                 b.templateIsFallbackSwitch.setChecked(header.isFallback());
 587                 b.templateIsFallbackText.setText(
 588                         header.isFallback() ? R.string.template_is_fallback_yes
 589                                             : R.string.template_is_fallback_no);
 590
 591                 checkPatternError(header);
 592             }
 593             finally {
 594                 enableUpdatePropagation();
 595             }
 596         }
 597         private void checkPatternError(TemplateDetailsItem.Header item) {
 598             if (item.getPatternError() != null) {
 599                 b.patternLayout.setError(item.getPatternError());
 600                 b.patternHintTitle.setVisibility(View.GONE);
 601                 b.patternHintText.setVisibility(View.GONE);
 602             }
 603             else {
 604                 b.patternLayout.setError(null);
 605                 if (item.testMatch() != null) {
 606                     b.patternHintText.setText(item.testMatch());
 607                     b.patternHintTitle.setVisibility(View.VISIBLE);
 608                     b.patternHintText.setVisibility(View.VISIBLE);
 609                 }
 610                 else {
 611                     b.patternLayout.setError(null);
 612                     b.patternHintTitle.setVisibility(View.GONE);
 613                     b.patternHintText.setVisibility(View.GONE);
 614                 }
 615             }
 616
 617         }
 618         private void scanTestQR(View view) {
 619             QRScanCapableFragment.triggerQRScan();
 620         }
 621     }
 622
 623     public class AccountRow extends BaseItem {
 624         private final TemplateDetailsAccountBinding b;
 625         public AccountRow(@NonNull TemplateDetailsAccountBinding binding) {
 626             super(binding.getRoot());
 627             b = binding;
 628
 629             TextWatcher accountNameWatcher = new TextWatcher() {
 630                 @Override
 631                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 632                 @Override
 633                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 634                 @Override
 635                 public void afterTextChanged(Editable s) {
 636                     if (updatePropagationDisabled)
 637                         return;
 638
 639                     TemplateDetailsItem.AccountRow accRow = getItem();
 640                     Logger.debug(D_TEMPLATE_UI,
 641                             "Storing changed account name " + s + "; accRow=" + accRow);
 642                     accRow.setAccountName(String.valueOf(s));
 643
 644                     mModel.applyList(null);
 645                 }
 646             };
 647             b.templateDetailsAccountName.addTextChangedListener(accountNameWatcher);
 648             b.templateDetailsAccountName.setAdapter(new AccountAutocompleteAdapter(b.getRoot()
 649                                                                                     .getContext()));
 650             b.templateDetailsAccountName.setOnItemClickListener(
 651                     (parent, view, position, id) -> b.templateDetailsAccountName.setText(
 652                             ((TextView) view).getText()));
 653             TextWatcher accountCommentWatcher = new TextWatcher() {
 654                 @Override
 655                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 656                 @Override
 657                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 658                 @Override
 659                 public void afterTextChanged(Editable s) {
 660                     if (updatePropagationDisabled)
 661                         return;
 662
 663                     TemplateDetailsItem.AccountRow accRow = getItem();
 664                     Logger.debug(D_TEMPLATE_UI,
 665                             "Storing changed account comment " + s + "; accRow=" + accRow);
 666                     accRow.setAccountComment(String.valueOf(s));
 667
 668                     mModel.applyList(null);
 669                 }
 670             };
 671             b.templateDetailsAccountComment.addTextChangedListener(accountCommentWatcher);
 672
 673             b.templateDetailsAccountAmount.addTextChangedListener(new TextWatcher() {
 674                 @Override
 675                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 676                 }
 677                 @Override
 678                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 679                 }
 680                 @Override
 681                 public void afterTextChanged(Editable s) {
 682                     if (updatePropagationDisabled)
 683                         return;
 684
 685                     TemplateDetailsItem.AccountRow accRow = getItem();
 686
 687                     String str = String.valueOf(s);
 688                     if (Misc.emptyIsNull(str) == null) {
 689                         accRow.setAmount(null);
 690                     }
 691                     else {
 692                         try {
 693                             final float amount = Data.parseNumber(str);
 694                             accRow.setAmount(amount);
 695                             b.templateDetailsAccountAmountLayout.setError(null);
 696
 697                             Logger.debug(D_TEMPLATE_UI, String.format(Locale.US,
 698                                     "Storing changed account amount %s [%4.2f]; accRow=%s", s,
 699                                     amount, accRow));
 700                         }
 701                         catch (NumberFormatException | ParseException e) {
 702                             b.templateDetailsAccountAmountLayout.setError("!");
 703                         }
 704                     }
 705
 706                     mModel.applyList(null);
 707                 }
 708             });
 709             b.templateDetailsAccountAmount.setOnFocusChangeListener((v, hasFocus) -> {
 710                 if (hasFocus)
 711                     return;
 712
 713                 TemplateDetailsItem.AccountRow accRow = getItem();
 714                 if (!accRow.hasLiteralAmount())
 715                     return;
 716                 Float amt = accRow.getAmount();
 717                 if (amt == null)
 718                     return;
 719
 720                 b.templateDetailsAccountAmount.setText(Data.formatNumber(amt));
 721             });
 722
 723             b.negateAmountSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
 724                 if (updatePropagationDisabled)
 725                     return;
 726
 727                 getItem().setNegateAmount(isChecked);
 728                 b.templateDetailsNegateAmountText.setText(
 729                         isChecked ? R.string.template_account_change_amount_sign
 730                                   : R.string.template_account_keep_amount_sign);
 731             });
 732             final View.OnClickListener negLabelClickListener =
 733                     (view) -> b.negateAmountSwitch.toggle();
 734             b.templateDetailsNegateAmountLabel.setOnClickListener(negLabelClickListener);
 735             b.templateDetailsNegateAmountText.setOnClickListener(negLabelClickListener);
 736             manageAccountLabelDrag();
 737         }
 738         @SuppressLint("ClickableViewAccessibility")
 739         public void manageAccountLabelDrag() {
 740             b.patternAccountLabel.setOnTouchListener((v, event) -> {
 741                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 742                     itemTouchHelper.startDrag(this);
 743                 }
 744                 return false;
 745             });
 746         }
 747         @Override
 748         void bind(TemplateDetailsItem item) {
 749             disableUpdatePropagation();
 750             try {
 751                 final Resources resources = b.getRoot()
 752                                              .getResources();
 753                 String groupNoText = resources.getString(R.string.template_item_match_group_source);
 754
 755                 Logger.debug("drag", String.format(Locale.US, "Binding account id %d, pos %d at %d",
 756                         item.getId(), item.getPosition(), getAdapterPosition()));
 757                 TemplateDetailsItem.AccountRow accRow = item.asAccountRowItem();
 758                 b.patternAccountLabel.setText(String.format(Locale.US,
 759                         resources.getString(R.string.template_details_account_row_label),
 760                         accRow.getPosition()));
 761                 if (accRow.hasLiteralAccountName()) {
 762                     b.templateDetailsAccountNameLayout.setVisibility(View.VISIBLE);
 763                     b.templateDetailsAccountName.setText(accRow.getAccountName());
 764                     b.templateDetailsAccountNameSource.setText(
 765                             R.string.template_details_source_literal);
 766                 }
 767                 else {
 768                     b.templateDetailsAccountNameLayout.setVisibility(View.GONE);
 769                     b.templateDetailsAccountNameSource.setText(
 770                             String.format(Locale.US, groupNoText, accRow.getAccountNameMatchGroup(),
 771                                     getMatchGroupText(accRow.getAccountNameMatchGroup())));
 772                 }
 773
 774                 if (accRow.hasLiteralAccountComment()) {
 775                     b.templateDetailsAccountCommentLayout.setVisibility(View.VISIBLE);
 776                     b.templateDetailsAccountComment.setText(accRow.getAccountComment());
 777                     b.templateDetailsAccountCommentSource.setText(
 778                             R.string.template_details_source_literal);
 779                 }
 780                 else {
 781                     b.templateDetailsAccountCommentLayout.setVisibility(View.GONE);
 782                     b.templateDetailsAccountCommentSource.setText(
 783                             String.format(Locale.US, groupNoText,
 784                                     accRow.getAccountCommentMatchGroup(),
 785                                     getMatchGroupText(accRow.getAccountCommentMatchGroup())));
 786                 }
 787
 788                 if (accRow.hasLiteralAmount()) {
 789                     b.templateDetailsAccountAmountSource.setText(
 790                             R.string.template_details_source_literal);
 791                     b.templateDetailsAccountAmount.setVisibility(View.VISIBLE);
 792                     Float amt = accRow.getAmount();
 793                     b.templateDetailsAccountAmount.setText((amt == null) ? null : String.format(
 794                             Data.locale.getValue(), "%,4.2f", (accRow.getAmount())));
 795                     b.negateAmountSwitch.setVisibility(View.GONE);
 796                     b.templateDetailsNegateAmountLabel.setVisibility(View.GONE);
 797                     b.templateDetailsNegateAmountText.setVisibility(View.GONE);
 798                 }
 799                 else {
 800                     b.templateDetailsAccountAmountSource.setText(
 801                             String.format(Locale.US, groupNoText, accRow.getAmountMatchGroup(),
 802                                     getMatchGroupText(accRow.getAmountMatchGroup())));
 803                     b.templateDetailsAccountAmountLayout.setVisibility(View.GONE);
 804                     b.negateAmountSwitch.setVisibility(View.VISIBLE);
 805                     b.negateAmountSwitch.setChecked(accRow.isNegateAmount());
 806                     b.templateDetailsNegateAmountText.setText(
 807                             accRow.isNegateAmount() ? R.string.template_account_change_amount_sign
 808                                                     : R.string.template_account_keep_amount_sign);
 809                     b.templateDetailsNegateAmountLabel.setVisibility(View.VISIBLE);
 810                     b.templateDetailsNegateAmountText.setVisibility(View.VISIBLE);
 811                 }
 812
 813                 b.templateAccountNameSourceLabel.setOnClickListener(
 814                         v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 815                 b.templateDetailsAccountNameSource.setOnClickListener(
 816                         v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 817                 b.templateAccountCommentSourceLabel.setOnClickListener(
 818                         v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 819                 b.templateDetailsAccountCommentSource.setOnClickListener(
 820                         v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 821                 b.templateAccountAmountSourceLabel.setOnClickListener(
 822                         v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 823                 b.templateDetailsAccountAmountSource.setOnClickListener(
 824                         v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 825             }
 826             finally {
 827                 enableUpdatePropagation();
 828             }
 829         }
 830         private @NotNull TemplateDetailsItem.AccountRow getItem() {
 831             return differ.getCurrentList()
 832                          .get(getAdapterPosition())
 833                          .asAccountRowItem();
 834         }
 835         private void selectAccountRowDetailSource(View v, AccDetail detail) {
 836             TemplateDetailsItem.AccountRow accRow = getItem();
 837             final TemplateDetailsItem.Header header = getHeader();
 838             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 839             TemplateDetailSourceSelectorFragment sel =
 840                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 841                             header.getTestText());
 842             sel.setOnSourceSelectedListener((literal, group) -> {
 843                 if (literal) {
 844                     switch (detail) {
 845                         case ACCOUNT:
 846                             accRow.switchToLiteralAccountName();
 847                             break;
 848                         case COMMENT:
 849                             accRow.switchToLiteralAccountComment();
 850                             break;
 851                         case AMOUNT:
 852                             accRow.switchToLiteralAmount();
 853                             break;
 854                         default:
 855                             throw new IllegalStateException("Unexpected detail " + detail);
 856                     }
 857                 }
 858                 else {
 859                     switch (detail) {
 860                         case ACCOUNT:
 861                             accRow.setAccountNameMatchGroup(group);
 862                             break;
 863                         case COMMENT:
 864                             accRow.setAccountCommentMatchGroup(group);
 865                             break;
 866                         case AMOUNT:
 867                             accRow.setAmountMatchGroup(group);
 868                             break;
 869                         default:
 870                             throw new IllegalStateException("Unexpected detail " + detail);
 871                     }
 872                 }
 873
 874                 notifyItemChanged(getAdapterPosition());
 875             });
 876             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 877             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 878         }
 879     }
 880 }