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.R;
  38 import net.ktnx.mobileledger.databinding.TemplateDetailsAccountBinding;
  39 import net.ktnx.mobileledger.databinding.TemplateDetailsHeaderBinding;
  40 import net.ktnx.mobileledger.db.AccountAutocompleteAdapter;
  41 import net.ktnx.mobileledger.db.TemplateBase;
  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.ArrayList;
  53 import java.util.List;
  54 import java.util.Locale;
  55 import java.util.regex.Matcher;
  56 import java.util.regex.Pattern;
  57
  58 class TemplateDetailsAdapter extends RecyclerView.Adapter<TemplateDetailsAdapter.ViewHolder> {
  59     private static final String D_TEMPLATE_UI = "template-ui";
  60     private final AsyncListDiffer<TemplateDetailsItem> differ;
  61     private final TemplateDetailsViewModel mModel;
  62     private final ItemTouchHelper itemTouchHelper;
  63     public TemplateDetailsAdapter(TemplateDetailsViewModel model) {
  64         super();
  65         mModel = model;
  66         setHasStableIds(true);
  67         differ = new AsyncListDiffer<>(this, new DiffUtil.ItemCallback<TemplateDetailsItem>() {
  68             @Override
  69             public boolean areItemsTheSame(@NonNull TemplateDetailsItem oldItem,
  70                                            @NonNull TemplateDetailsItem newItem) {
  71                 if (oldItem.getType() != newItem.getType())
  72                     return false;
  73                 if (oldItem.getType()
  74                            .equals(TemplateDetailsItem.Type.HEADER))
  75                     return true;    // only one header item, ever
  76                 // the rest is comparing two account row items
  77                 return oldItem.asAccountRowItem()
  78                               .getId() == newItem.asAccountRowItem()
  79                                                  .getId();
  80             }
  81             @Override
  82             public boolean areContentsTheSame(@NonNull TemplateDetailsItem oldItem,
  83                                               @NonNull TemplateDetailsItem newItem) {
  84                 if (oldItem.getType()
  85                            .equals(TemplateDetailsItem.Type.HEADER))
  86                 {
  87                     TemplateDetailsItem.Header oldHeader = oldItem.asHeaderItem();
  88                     TemplateDetailsItem.Header newHeader = newItem.asHeaderItem();
  89
  90                     return oldHeader.equalContents(newHeader);
  91                 }
  92                 else {
  93                     TemplateDetailsItem.AccountRow oldAcc = oldItem.asAccountRowItem();
  94                     TemplateDetailsItem.AccountRow newAcc = newItem.asAccountRowItem();
  95
  96                     return oldAcc.equalContents(newAcc);
  97                 }
  98             }
  99         });
 100         itemTouchHelper = new ItemTouchHelper(new ItemTouchHelper.Callback() {
 101             @Override
 102             public float getMoveThreshold(@NonNull RecyclerView.ViewHolder viewHolder) {
 103                 return 0.1f;
 104             }
 105             @Override
 106             public boolean isLongPressDragEnabled() {
 107                 return false;
 108             }
 109             @Override
 110             public RecyclerView.ViewHolder chooseDropTarget(
 111                     @NonNull RecyclerView.ViewHolder selected,
 112                     @NonNull List<RecyclerView.ViewHolder> dropTargets, int curX, int curY) {
 113                 RecyclerView.ViewHolder best = null;
 114                 int bestDistance = 0;
 115                 for (RecyclerView.ViewHolder v : dropTargets) {
 116                     if (v == selected)
 117                         continue;
 118
 119                     final int viewTop = v.itemView.getTop();
 120                     int distance = Math.abs(viewTop - curY);
 121                     if (best == null) {
 122                         best = v;
 123                         bestDistance = distance;
 124                     }
 125                     else {
 126                         if (distance < bestDistance) {
 127                             bestDistance = distance;
 128                             best = v;
 129                         }
 130                     }
 131                 }
 132
 133                 Logger.debug("dnd", "Best target is " + best);
 134                 return best;
 135             }
 136             @Override
 137             public boolean canDropOver(@NonNull RecyclerView recyclerView,
 138                                        @NonNull RecyclerView.ViewHolder current,
 139                                        @NonNull RecyclerView.ViewHolder target) {
 140                 final int adapterPosition = target.getAdapterPosition();
 141
 142                 // first item is immovable
 143                 if (adapterPosition == 0)
 144                     return false;
 145
 146                 return super.canDropOver(recyclerView, current, target);
 147             }
 148             @Override
 149             public int getMovementFlags(@NonNull RecyclerView recyclerView,
 150                                         @NonNull RecyclerView.ViewHolder viewHolder) {
 151                 int flags = 0;
 152                 // the top item (transaction params) is always there
 153                 final int adapterPosition = viewHolder.getAdapterPosition();
 154                 if (adapterPosition > 0)
 155                     flags |= makeFlag(ItemTouchHelper.ACTION_STATE_DRAG,
 156                             ItemTouchHelper.UP | ItemTouchHelper.DOWN) |
 157                              makeFlag(ItemTouchHelper.ACTION_STATE_SWIPE,
 158                                      ItemTouchHelper.START | ItemTouchHelper.END);
 159
 160                 return flags;
 161             }
 162             @Override
 163             public boolean onMove(@NonNull RecyclerView recyclerView,
 164                                   @NonNull RecyclerView.ViewHolder viewHolder,
 165                                   @NonNull RecyclerView.ViewHolder target) {
 166
 167                 final int fromPosition = viewHolder.getAdapterPosition();
 168                 final int toPosition = target.getAdapterPosition();
 169                 mModel.moveItem(fromPosition, toPosition);
 170
 171                 return true;
 172             }
 173             @Override
 174             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
 175                 int pos = viewHolder.getAdapterPosition();
 176                 mModel.removeItem(pos);
 177             }
 178         });
 179     }
 180     @Override
 181     public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
 182         super.onAttachedToRecyclerView(recyclerView);
 183
 184         itemTouchHelper.attachToRecyclerView(recyclerView);
 185     }
 186     @Override
 187     public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
 188         super.onDetachedFromRecyclerView(recyclerView);
 189
 190         itemTouchHelper.attachToRecyclerView(null);
 191     }
 192     @Override
 193     public long getItemId(int position) {
 194         // header item is always first and IDs id may duplicate some of the account IDs
 195         if (position == 0)
 196             return -1;
 197         TemplateDetailsItem.AccountRow accRow = differ.getCurrentList()
 198                                                       .get(position)
 199                                                       .asAccountRowItem();
 200         return accRow.getId();
 201     }
 202     @Override
 203     public int getItemViewType(int position) {
 204
 205         return differ.getCurrentList()
 206                      .get(position)
 207                      .getType()
 208                      .toInt();
 209     }
 210     @NonNull
 211     @Override
 212     public TemplateDetailsAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
 213                                                                 int viewType) {
 214         final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
 215         switch (viewType) {
 216             case TemplateDetailsItem.TYPE.header:
 217                 return new Header(TemplateDetailsHeaderBinding.inflate(inflater, parent, false));
 218             case TemplateDetailsItem.TYPE.accountItem:
 219                 return new AccountRow(
 220                         TemplateDetailsAccountBinding.inflate(inflater, parent, false));
 221             default:
 222                 throw new IllegalStateException("Unsupported view type " + viewType);
 223         }
 224     }
 225     @Override
 226     public void onBindViewHolder(@NonNull TemplateDetailsAdapter.ViewHolder holder, int position) {
 227         TemplateDetailsItem item = differ.getCurrentList()
 228                                          .get(position);
 229         holder.bind(item);
 230     }
 231     @Override
 232     public int getItemCount() {
 233         return differ.getCurrentList()
 234                      .size();
 235     }
 236     public void setTemplateItems(List<TemplateBase> items) {
 237         ArrayList<TemplateDetailsItem> list = new ArrayList<>();
 238         for (TemplateBase p : items) {
 239             TemplateDetailsItem item = TemplateDetailsItem.fromRoomObject(p);
 240             list.add(item);
 241         }
 242         setItems(list);
 243     }
 244     public void setItems(List<TemplateDetailsItem> items) {
 245         differ.submitList(items);
 246     }
 247     public String getMatchGroupText(int groupNumber) {
 248         TemplateDetailsItem.Header header = getHeader();
 249         Pattern p = header.getCompiledPattern();
 250         if (p == null)
 251             return null;
 252
 253         final String testText = Misc.nullIsEmpty(header.getTestText());
 254         Matcher m = p.matcher(testText);
 255         if (m.matches() && m.groupCount() >= groupNumber)
 256             return m.group(groupNumber);
 257         else
 258             return null;
 259     }
 260     protected TemplateDetailsItem.Header getHeader() {
 261         return differ.getCurrentList()
 262                      .get(0)
 263                      .asHeaderItem();
 264     }
 265
 266     private enum HeaderDetail {DESCRIPTION, COMMENT, DATE_YEAR, DATE_MONTH, DATE_DAY}
 267
 268     private enum AccDetail {ACCOUNT, COMMENT, AMOUNT}
 269
 270     public abstract static class ViewHolder extends RecyclerView.ViewHolder {
 271         ViewHolder(@NonNull View itemView) {
 272             super(itemView);
 273         }
 274         abstract void bind(TemplateDetailsItem item);
 275     }
 276
 277     public class Header extends ViewHolder {
 278         private final TemplateDetailsHeaderBinding b;
 279         public Header(@NonNull TemplateDetailsHeaderBinding binding) {
 280             super(binding.getRoot());
 281             b = binding;
 282
 283             TextWatcher templateNameWatcher = new TextWatcher() {
 284                 @Override
 285                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 286                 @Override
 287                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 288                 @Override
 289                 public void afterTextChanged(Editable s) {
 290                     final TemplateDetailsItem.Header header = getItem();
 291                     Logger.debug(D_TEMPLATE_UI,
 292                             "Storing changed template name " + s + "; header=" + header);
 293                     header.setName(String.valueOf(s));
 294                 }
 295             };
 296             b.templateName.addTextChangedListener(templateNameWatcher);
 297
 298             TextWatcher patternWatcher = new TextWatcher() {
 299                 @Override
 300                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 301                 @Override
 302                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 303                 @Override
 304                 public void afterTextChanged(Editable s) {
 305                     final TemplateDetailsItem.Header header = getItem();
 306                     Logger.debug(D_TEMPLATE_UI,
 307                             "Storing changed pattern " + s + "; header=" + header);
 308                     header.setPattern(String.valueOf(s));
 309
 310                     checkPatternError(header);
 311                 }
 312             };
 313             b.pattern.addTextChangedListener(patternWatcher);
 314
 315             TextWatcher testTextWatcher = new TextWatcher() {
 316                 @Override
 317                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 318                 @Override
 319                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 320                 @Override
 321                 public void afterTextChanged(Editable s) {
 322                     final TemplateDetailsItem.Header header = getItem();
 323                     Logger.debug(D_TEMPLATE_UI,
 324                             "Storing changed test text " + s + "; header=" + header);
 325                     header.setTestText(String.valueOf(s));
 326
 327                     checkPatternError(header);
 328                 }
 329             };
 330             b.testText.addTextChangedListener(testTextWatcher);
 331
 332             TextWatcher transactionDescriptionWatcher = new TextWatcher() {
 333                 @Override
 334                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 335                 }
 336                 @Override
 337                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 338
 339                 }
 340                 @Override
 341                 public void afterTextChanged(Editable s) {
 342                     final TemplateDetailsItem.Header header = getItem();
 343                     Logger.debug(D_TEMPLATE_UI,
 344                             "Storing changed transaction description " + s + "; header=" + header);
 345                     header.setTransactionDescription(String.valueOf(s));
 346                 }
 347             };
 348             b.transactionDescription.addTextChangedListener(transactionDescriptionWatcher);
 349             TextWatcher transactionCommentWatcher = new TextWatcher() {
 350                 @Override
 351                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 352
 353                 }
 354                 @Override
 355                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 356
 357                 }
 358                 @Override
 359                 public void afterTextChanged(Editable s) {
 360                     final TemplateDetailsItem.Header header = getItem();
 361                     Logger.debug(D_TEMPLATE_UI,
 362                             "Storing changed transaction description " + s + "; header=" + header);
 363                     header.setTransactionComment(String.valueOf(s));
 364                 }
 365             };
 366             b.transactionComment.addTextChangedListener(transactionCommentWatcher);
 367         }
 368         @NotNull
 369         private TemplateDetailsItem.Header getItem() {
 370             int pos = getAdapterPosition();
 371             return differ.getCurrentList()
 372                          .get(pos)
 373                          .asHeaderItem();
 374         }
 375         private void selectHeaderDetailSource(View v, HeaderDetail detail) {
 376             TemplateDetailsItem.Header header = getItem();
 377             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 378             TemplateDetailSourceSelectorFragment sel =
 379                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 380                             header.getTestText());
 381             sel.setOnSourceSelectedListener((literal, group) -> {
 382                 if (literal) {
 383                     switch (detail) {
 384                         case DESCRIPTION:
 385                             header.switchToLiteralTransactionDescription();
 386                             break;
 387                         case COMMENT:
 388                             header.switchToLiteralTransactionComment();
 389                             break;
 390                         case DATE_YEAR:
 391                             header.switchToLiteralDateYear();
 392                             break;
 393                         case DATE_MONTH:
 394                             header.switchToLiteralDateMonth();
 395                             break;
 396                         case DATE_DAY:
 397                             header.switchToLiteralDateDay();
 398                             break;
 399                         default:
 400                             throw new IllegalStateException("Unexpected detail " + detail);
 401                     }
 402                 }
 403                 else {
 404                     switch (detail) {
 405                         case DESCRIPTION:
 406                             header.setTransactionDescriptionMatchGroup(group);
 407                             break;
 408                         case COMMENT:
 409                             header.setTransactionCommentMatchGroup(group);
 410                             break;
 411                         case DATE_YEAR:
 412                             header.setDateYearMatchGroup(group);
 413                             break;
 414                         case DATE_MONTH:
 415                             header.setDateMonthMatchGroup(group);
 416                             break;
 417                         case DATE_DAY:
 418                             header.setDateDayMatchGroup(group);
 419                             break;
 420                         default:
 421                             throw new IllegalStateException("Unexpected detail " + detail);
 422                     }
 423                 }
 424
 425                 notifyItemChanged(getAdapterPosition());
 426             });
 427             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 428             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 429         }
 430         @Override
 431         void bind(TemplateDetailsItem item) {
 432             TemplateDetailsItem.Header header = item.asHeaderItem();
 433             Logger.debug(D_TEMPLATE_UI, "Binding to header " + header);
 434
 435             String groupNoText = b.getRoot()
 436                                   .getResources()
 437                                   .getString(R.string.template_item_match_group_source);
 438
 439             b.templateName.setText(header.getName());
 440             b.pattern.setText(header.getPattern());
 441             b.testText.setText(header.getTestText());
 442
 443             if (header.hasLiteralDateYear()) {
 444                 b.templateDetailsYearSource.setText(R.string.template_details_source_literal);
 445                 final Integer dateYear = header.getDateYear();
 446                 b.templateDetailsDateYear.setText(
 447                         (dateYear == null) ? null : String.valueOf(dateYear));
 448                 b.templateDetailsDateYearLayout.setVisibility(View.VISIBLE);
 449             }
 450             else {
 451                 b.templateDetailsDateYearLayout.setVisibility(View.GONE);
 452                 b.templateDetailsYearSource.setText(
 453                         String.format(Locale.US, groupNoText, header.getDateYearMatchGroup(),
 454                                 getMatchGroupText(header.getDateYearMatchGroup())));
 455             }
 456             b.templateDetailsYearSourceLabel.setOnClickListener(
 457                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_YEAR));
 458             b.templateDetailsYearSource.setOnClickListener(
 459                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_YEAR));
 460
 461             if (header.hasLiteralDateMonth()) {
 462                 b.templateDetailsMonthSource.setText(R.string.template_details_source_literal);
 463                 final Integer dateMonth = header.getDateMonth();
 464                 b.templateDetailsDateMonth.setText(
 465                         (dateMonth == null) ? null : String.valueOf(dateMonth));
 466                 b.templateDetailsDateMonthLayout.setVisibility(View.VISIBLE);
 467             }
 468             else {
 469                 b.templateDetailsDateMonthLayout.setVisibility(View.GONE);
 470                 b.templateDetailsMonthSource.setText(
 471                         String.format(Locale.US, groupNoText, header.getDateMonthMatchGroup(),
 472                                 getMatchGroupText(header.getDateMonthMatchGroup())));
 473             }
 474             b.templateDetailsMonthSourceLabel.setOnClickListener(
 475                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_MONTH));
 476             b.templateDetailsMonthSource.setOnClickListener(
 477                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_MONTH));
 478
 479             if (header.hasLiteralDateDay()) {
 480                 b.templateDetailsDaySource.setText(R.string.template_details_source_literal);
 481                 final Integer dateDay = header.getDateDay();
 482                 b.templateDetailsDateDay.setText(
 483                         (dateDay == null) ? null : String.valueOf(dateDay));
 484                 b.templateDetailsDateDayLayout.setVisibility(View.VISIBLE);
 485             }
 486             else {
 487                 b.templateDetailsDateDayLayout.setVisibility(View.GONE);
 488                 b.templateDetailsDaySource.setText(
 489                         String.format(Locale.US, groupNoText, header.getDateDayMatchGroup(),
 490                                 getMatchGroupText(header.getDateDayMatchGroup())));
 491             }
 492             b.templateDetailsDaySourceLabel.setOnClickListener(
 493                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 494             b.templateDetailsDaySource.setOnClickListener(
 495                     v -> selectHeaderDetailSource(v, HeaderDetail.DATE_DAY));
 496
 497             if (header.hasLiteralTransactionDescription()) {
 498                 b.templateTransactionDescriptionSource.setText(
 499                         R.string.template_details_source_literal);
 500                 b.transactionDescription.setText(header.getTransactionDescription());
 501                 b.transactionDescriptionLayout.setVisibility(View.VISIBLE);
 502             }
 503             else {
 504                 b.transactionDescriptionLayout.setVisibility(View.GONE);
 505                 b.templateTransactionDescriptionSource.setText(String.format(Locale.US, groupNoText,
 506                         header.getTransactionDescriptionMatchGroup(),
 507                         getMatchGroupText(header.getTransactionDescriptionMatchGroup())));
 508
 509             }
 510             b.templateTransactionDescriptionSourceLabel.setOnClickListener(
 511                     v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 512             b.templateTransactionDescriptionSource.setOnClickListener(
 513                     v -> selectHeaderDetailSource(v, HeaderDetail.DESCRIPTION));
 514
 515             if (header.hasLiteralTransactionComment()) {
 516                 b.templateTransactionCommentSource.setText(
 517                         R.string.template_details_source_literal);
 518                 b.transactionComment.setText(header.getTransactionComment());
 519                 b.transactionCommentLayout.setVisibility(View.VISIBLE);
 520             }
 521             else {
 522                 b.transactionCommentLayout.setVisibility(View.GONE);
 523                 b.templateTransactionCommentSource.setText(String.format(Locale.US, groupNoText,
 524                         header.getTransactionCommentMatchGroup(),
 525                         getMatchGroupText(header.getTransactionCommentMatchGroup())));
 526
 527             }
 528             b.templateTransactionCommentSourceLabel.setOnClickListener(
 529                     v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 530             b.templateTransactionCommentSource.setOnClickListener(
 531                     v -> selectHeaderDetailSource(v, HeaderDetail.COMMENT));
 532
 533             b.templateDetailsHeadScanQrButton.setOnClickListener(this::scanTestQR);
 534
 535             checkPatternError(header);
 536         }
 537         private void checkPatternError(TemplateDetailsItem.Header item) {
 538             if (item.getPatternError() != null) {
 539                 b.patternLayout.setError(item.getPatternError());
 540                 b.patternHintTitle.setVisibility(View.GONE);
 541                 b.patternHintText.setVisibility(View.GONE);
 542             }
 543             else {
 544                 b.patternLayout.setError(null);
 545                 if (item.testMatch() != null) {
 546                     b.patternHintText.setText(item.testMatch());
 547                     b.patternHintTitle.setVisibility(View.VISIBLE);
 548                     b.patternHintText.setVisibility(View.VISIBLE);
 549                 }
 550                 else {
 551                     b.patternLayout.setError(null);
 552                     b.patternHintTitle.setVisibility(View.GONE);
 553                     b.patternHintText.setVisibility(View.GONE);
 554                 }
 555             }
 556
 557         }
 558         private void scanTestQR(View view) {
 559             QRScanCapableFragment.triggerQRScan();
 560         }
 561     }
 562
 563     public class AccountRow extends ViewHolder {
 564         private final TemplateDetailsAccountBinding b;
 565         public AccountRow(@NonNull TemplateDetailsAccountBinding binding) {
 566             super(binding.getRoot());
 567             b = binding;
 568
 569             TextWatcher accountNameWatcher = new TextWatcher() {
 570                 @Override
 571                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 572                 @Override
 573                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 574                 @Override
 575                 public void afterTextChanged(Editable s) {
 576                     TemplateDetailsItem.AccountRow accRow = getItem();
 577                     Logger.debug(D_TEMPLATE_UI,
 578                             "Storing changed account name " + s + "; accRow=" + accRow);
 579                     accRow.setAccountName(String.valueOf(s));
 580                 }
 581             };
 582             b.templateDetailsAccountName.addTextChangedListener(accountNameWatcher);
 583             b.templateDetailsAccountName.setAdapter(new AccountAutocompleteAdapter(b.getRoot()
 584                                                                                     .getContext()));
 585             b.templateDetailsAccountName.setOnItemClickListener(
 586                     (parent, view, position, id) -> b.templateDetailsAccountName.setText(
 587                             ((TextView) view).getText()));
 588             TextWatcher accountCommentWatcher = new TextWatcher() {
 589                 @Override
 590                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 591                 @Override
 592                 public void onTextChanged(CharSequence s, int start, int before, int count) {}
 593                 @Override
 594                 public void afterTextChanged(Editable s) {
 595                     TemplateDetailsItem.AccountRow accRow = getItem();
 596                     Logger.debug(D_TEMPLATE_UI,
 597                             "Storing changed account comment " + s + "; accRow=" + accRow);
 598                     accRow.setAccountComment(String.valueOf(s));
 599                 }
 600             };
 601             b.templateDetailsAccountComment.addTextChangedListener(accountCommentWatcher);
 602
 603             b.templateDetailsAccountAmount.addTextChangedListener(new TextWatcher() {
 604                 @Override
 605                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 606
 607                 }
 608                 @Override
 609                 public void onTextChanged(CharSequence s, int start, int before, int count) {
 610
 611                 }
 612                 @Override
 613                 public void afterTextChanged(Editable s) {
 614                     TemplateDetailsItem.AccountRow accRow = getItem();
 615
 616                     String str = String.valueOf(s);
 617                     if (Misc.emptyIsNull(str) == null) {
 618                         accRow.setAmount(null);
 619                     }
 620                     else {
 621                         try {
 622                             final float amount = Data.parseNumber(str);
 623                             accRow.setAmount(amount);
 624                             b.templateDetailsAccountAmountLayout.setError(null);
 625
 626                             Logger.debug(D_TEMPLATE_UI, String.format(Locale.US,
 627                                     "Storing changed account amount %s [%4.2f]; accRow=%s", s,
 628                                     amount, accRow));
 629                         }
 630                         catch (NumberFormatException | ParseException e) {
 631                             b.templateDetailsAccountAmountLayout.setError("!");
 632                         }
 633                     }
 634                 }
 635             });
 636             b.templateDetailsAccountAmount.setOnFocusChangeListener((v, hasFocus) -> {
 637                 if (hasFocus)
 638                     return;
 639
 640                 TemplateDetailsItem.AccountRow accRow = getItem();
 641                 if (!accRow.hasLiteralAmount())
 642                     return;
 643                 Float amt = accRow.getAmount();
 644                 if (amt == null)
 645                     return;
 646
 647                 b.templateDetailsAccountAmount.setText(Data.formatNumber(amt));
 648             });
 649
 650             b.negateAmountSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
 651                 getItem().setNegateAmount(isChecked);
 652                 b.templateDetailsNegateAmountText.setText(
 653                         isChecked ? R.string.template_account_change_amount_sign
 654                                   : R.string.template_account_keep_amount_sign);
 655             });
 656             final View.OnClickListener negLabelClickListener =
 657                     (view) -> b.negateAmountSwitch.toggle();
 658             b.templateDetailsNegateAmountLabel.setOnClickListener(negLabelClickListener);
 659             b.templateDetailsNegateAmountText.setOnClickListener(negLabelClickListener);
 660             manageAccountLabelDrag();
 661         }
 662         @SuppressLint("ClickableViewAccessibility")
 663         public void manageAccountLabelDrag() {
 664             b.patternAccountLabel.setOnTouchListener((v, event) -> {
 665                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 666                     itemTouchHelper.startDrag(this);
 667                 }
 668                 return false;
 669             });
 670         }
 671         @Override
 672         void bind(TemplateDetailsItem item) {
 673             final Resources resources = b.getRoot()
 674                                          .getResources();
 675                 String groupNoText = resources.getString(R.string.template_item_match_group_source);
 676
 677             TemplateDetailsItem.AccountRow accRow = item.asAccountRowItem();
 678             b.patternAccountLabel.setText(String.format(Locale.US,
 679                     resources.getString(R.string.template_details_account_row_label),
 680                     accRow.getPosition()));
 681             if (accRow.hasLiteralAccountName()) {
 682                 b.templateDetailsAccountNameLayout.setVisibility(View.VISIBLE);
 683                 b.templateDetailsAccountName.setText(accRow.getAccountName());
 684                 b.templateDetailsAccountNameSource.setText(
 685                         R.string.template_details_source_literal);
 686             }
 687             else {
 688                 b.templateDetailsAccountNameLayout.setVisibility(View.GONE);
 689                 b.templateDetailsAccountNameSource.setText(
 690                         String.format(Locale.US, groupNoText, accRow.getAccountNameMatchGroup(),
 691                                 getMatchGroupText(accRow.getAccountNameMatchGroup())));
 692             }
 693
 694             if (accRow.hasLiteralAccountComment()) {
 695                 b.templateDetailsAccountCommentLayout.setVisibility(View.VISIBLE);
 696                 b.templateDetailsAccountComment.setText(accRow.getAccountComment());
 697                 b.templateDetailsAccountCommentSource.setText(
 698                         R.string.template_details_source_literal);
 699             }
 700             else {
 701                 b.templateDetailsAccountCommentLayout.setVisibility(View.GONE);
 702                 b.templateDetailsAccountCommentSource.setText(
 703                         String.format(Locale.US, groupNoText, accRow.getAccountCommentMatchGroup(),
 704                                 getMatchGroupText(accRow.getAccountCommentMatchGroup())));
 705             }
 706
 707             if (accRow.hasLiteralAmount()) {
 708                 b.templateDetailsAccountAmountSource.setText(
 709                         R.string.template_details_source_literal);
 710                 b.templateDetailsAccountAmount.setVisibility(View.VISIBLE);
 711                 Float amt = accRow.getAmount();
 712                 b.templateDetailsAccountAmount.setText((amt == null) ? null : String.format(
 713                         Data.locale.getValue(), "%,4.2f", (accRow.getAmount())));
 714                 b.negateAmountSwitch.setVisibility(View.GONE);
 715                 b.templateDetailsNegateAmountLabel.setVisibility(View.GONE);
 716                 b.templateDetailsNegateAmountText.setVisibility(View.GONE);
 717             }
 718             else {
 719                 b.templateDetailsAccountAmountSource.setText(
 720                         String.format(Locale.US, groupNoText, accRow.getAmountMatchGroup(),
 721                                 getMatchGroupText(accRow.getAmountMatchGroup())));
 722                 b.templateDetailsAccountAmountLayout.setVisibility(View.GONE);
 723                 b.negateAmountSwitch.setVisibility(View.VISIBLE);
 724                 b.negateAmountSwitch.setChecked(accRow.isNegateAmount());
 725                 b.templateDetailsNegateAmountText.setText(
 726                         accRow.isNegateAmount() ? R.string.template_account_change_amount_sign
 727                                                 : R.string.template_account_keep_amount_sign);
 728                 b.templateDetailsNegateAmountLabel.setVisibility(View.VISIBLE);
 729                 b.templateDetailsNegateAmountText.setVisibility(View.VISIBLE);
 730             }
 731
 732             b.templateAccountNameSourceLabel.setOnClickListener(
 733                     v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 734             b.templateDetailsAccountNameSource.setOnClickListener(
 735                     v -> selectAccountRowDetailSource(v, AccDetail.ACCOUNT));
 736             b.templateAccountCommentSourceLabel.setOnClickListener(
 737                     v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 738             b.templateDetailsAccountCommentSource.setOnClickListener(
 739                     v -> selectAccountRowDetailSource(v, AccDetail.COMMENT));
 740             b.templateAccountAmountSourceLabel.setOnClickListener(
 741                     v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 742             b.templateDetailsAccountAmountSource.setOnClickListener(
 743                     v -> selectAccountRowDetailSource(v, AccDetail.AMOUNT));
 744         }
 745         private @NotNull TemplateDetailsItem.AccountRow getItem() {
 746             return differ.getCurrentList()
 747                          .get(getAdapterPosition())
 748                          .asAccountRowItem();
 749         }
 750         private void selectAccountRowDetailSource(View v, AccDetail detail) {
 751             TemplateDetailsItem.AccountRow accRow = getItem();
 752             final TemplateDetailsItem.Header header = getHeader();
 753             Logger.debug(D_TEMPLATE_UI, "header is " + header);
 754             TemplateDetailSourceSelectorFragment sel =
 755                     TemplateDetailSourceSelectorFragment.newInstance(1, header.getPattern(),
 756                             header.getTestText());
 757             sel.setOnSourceSelectedListener((literal, group) -> {
 758                 if (literal) {
 759                     switch (detail) {
 760                         case ACCOUNT:
 761                             accRow.switchToLiteralAccountName();
 762                             break;
 763                         case COMMENT:
 764                             accRow.switchToLiteralAccountComment();
 765                             break;
 766                         case AMOUNT:
 767                             accRow.switchToLiteralAmount();
 768                             break;
 769                         default:
 770                             throw new IllegalStateException("Unexpected detail " + detail);
 771                     }
 772                 }
 773                 else {
 774                     switch (detail) {
 775                         case ACCOUNT:
 776                             accRow.setAccountNameMatchGroup(group);
 777                             break;
 778                         case COMMENT:
 779                             accRow.setAccountCommentMatchGroup(group);
 780                             break;
 781                         case AMOUNT:
 782                             accRow.setAmountMatchGroup(group);
 783                             break;
 784                         default:
 785                             throw new IllegalStateException("Unexpected detail " + detail);
 786                     }
 787                 }
 788
 789                 notifyItemChanged(getAdapterPosition());
 790             });
 791             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 792             sel.show(activity.getSupportFragmentManager(), "template-details-source-selector");
 793         }
 794     }
 795 }