app/src/main/java/net/ktnx/mobileledger/ui/activity/NewTransactionItemHolder.java

   1 /*
   2  * Copyright © 2019 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.activity;
  19
  20 import android.annotation.SuppressLint;
  21 import android.os.Build;
  22 import android.text.Editable;
  23 import android.text.TextWatcher;
  24 import android.text.method.DigitsKeyListener;
  25 import android.view.Gravity;
  26 import android.view.View;
  27 import android.view.ViewGroup;
  28 import android.view.inputmethod.EditorInfo;
  29 import android.widget.AutoCompleteTextView;
  30 import android.widget.EditText;
  31 import android.widget.FrameLayout;
  32 import android.widget.LinearLayout;
  33 import android.widget.TextView;
  34
  35 import androidx.annotation.NonNull;
  36 import androidx.appcompat.app.AppCompatActivity;
  37 import androidx.constraintlayout.widget.ConstraintLayout;
  38 import androidx.lifecycle.Observer;
  39 import androidx.recyclerview.widget.RecyclerView;
  40
  41 import net.ktnx.mobileledger.R;
  42 import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
  43 import net.ktnx.mobileledger.model.Currency;
  44 import net.ktnx.mobileledger.model.Data;
  45 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
  46 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  47 import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
  48 import net.ktnx.mobileledger.ui.DatePickerFragment;
  49 import net.ktnx.mobileledger.ui.TextViewClearHelper;
  50 import net.ktnx.mobileledger.utils.Colors;
  51 import net.ktnx.mobileledger.utils.DimensionUtils;
  52 import net.ktnx.mobileledger.utils.Logger;
  53 import net.ktnx.mobileledger.utils.MLDB;
  54 import net.ktnx.mobileledger.utils.Misc;
  55
  56 import org.jetbrains.annotations.NotNull;
  57
  58 import java.text.DecimalFormatSymbols;
  59 import java.util.Calendar;
  60 import java.util.Date;
  61 import java.util.GregorianCalendar;
  62 import java.util.Locale;
  63
  64 import static net.ktnx.mobileledger.ui.activity.NewTransactionModel.ItemType;
  65
  66 class NewTransactionItemHolder extends RecyclerView.ViewHolder
  67         implements DatePickerFragment.DatePickedListener, DescriptionSelectedCallback {
  68     private final String decimalSeparator;
  69     private final String decimalDot;
  70     private final TextView tvCurrency;
  71     private NewTransactionModel.Item item;
  72     private TextView tvDate;
  73     private AutoCompleteTextView tvDescription;
  74     private AutoCompleteTextView tvAccount;
  75     private TextView tvComment;
  76     private EditText tvAmount;
  77     private LinearLayout lHead;
  78     private ViewGroup lAccount;
  79     private FrameLayout lPadding;
  80     private MobileLedgerProfile mProfile;
  81     private Date date;
  82     private Observer<Date> dateObserver;
  83     private Observer<String> descriptionObserver;
  84     private Observer<String> hintObserver;
  85     private Observer<Integer> focusedAccountObserver;
  86     private Observer<Integer> accountCountObserver;
  87     private Observer<Boolean> editableObserver;
  88     private Observer<Boolean> commentVisibleObserver;
  89     private Observer<String> commentObserver;
  90     private Observer<Currency.Position> currencyPositionObserver;
  91     private Observer<Boolean> currencyGapObserver;
  92     private Observer<Locale> localeObserver;
  93     private Observer<Currency> currencyObserver;
  94     private Observer<Boolean> showCurrencyObserver;
  95     private boolean inUpdate = false;
  96     private boolean syncingData = false;
  97     private View commentButton;
  98     //TODO multiple amounts with different currencies per posting
  99     NewTransactionItemHolder(@NonNull View itemView, NewTransactionItemsAdapter adapter) {
 100         super(itemView);
 101         tvAccount = itemView.findViewById(R.id.account_row_acc_name);
 102         tvComment = itemView.findViewById(R.id.comment);
 103         new TextViewClearHelper().attachToTextView((EditText) tvComment);
 104         commentButton = itemView.findViewById(R.id.comment_button);
 105         tvAmount = itemView.findViewById(R.id.account_row_acc_amounts);
 106         tvCurrency = itemView.findViewById(R.id.currency);
 107         tvDate = itemView.findViewById(R.id.new_transaction_date);
 108         tvDescription = itemView.findViewById(R.id.new_transaction_description);
 109         lHead = itemView.findViewById(R.id.ntr_data);
 110         lAccount = itemView.findViewById(R.id.ntr_account);
 111         lPadding = itemView.findViewById(R.id.ntr_padding);
 112
 113         tvDescription.setNextFocusForwardId(View.NO_ID);
 114         tvAccount.setNextFocusForwardId(View.NO_ID);
 115         tvAmount.setNextFocusForwardId(View.NO_ID); // magic!
 116
 117         tvDate.setOnClickListener(v -> pickTransactionDate());
 118
 119         mProfile = Data.profile.getValue();
 120         if (mProfile == null)
 121             throw new AssertionError();
 122
 123         View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
 124             if (hasFocus) {
 125                 boolean wasSyncing = syncingData;
 126                 syncingData = true;
 127                 try {
 128                     final int pos = getAdapterPosition();
 129                     adapter.updateFocusedItem(pos);
 130                     switch (v.getId()) {
 131                         case R.id.account_row_acc_name:
 132                             adapter.noteFocusIsOnAccount(pos);
 133                             break;
 134                         case R.id.account_row_acc_amounts:
 135                             adapter.noteFocusIsOnAmount(pos);
 136                             break;
 137                         case R.id.comment:
 138                             adapter.noteFocusIsOnComment(pos);
 139                             break;
 140                     }
 141                 }
 142                 finally {
 143                     syncingData = wasSyncing;
 144                 }
 145             }
 146         };
 147
 148         tvDescription.setOnFocusChangeListener(focusMonitor);
 149         tvAccount.setOnFocusChangeListener(focusMonitor);
 150         tvAmount.setOnFocusChangeListener(focusMonitor);
 151
 152         itemView.findViewById(R.id.comment_button)
 153                 .setOnClickListener(v -> {
 154                     final int pos = getAdapterPosition();
 155                     adapter.toggleComment(pos);
 156                 });
 157         MLDB.hookAutocompletionAdapter(tvDescription.getContext(), tvDescription,
 158                 MLDB.DESCRIPTION_HISTORY_TABLE, "description", false, adapter, mProfile);
 159         MLDB.hookAutocompletionAdapter(tvAccount.getContext(), tvAccount, MLDB.ACCOUNTS_TABLE,
 160                 "name", true, this, mProfile);
 161
 162         // FIXME: react on configuration (locale) changes
 163         decimalSeparator = String.valueOf(DecimalFormatSymbols.getInstance()
 164                                                               .getMonetaryDecimalSeparator());
 165         decimalDot = ".";
 166
 167         final TextWatcher tw = new TextWatcher() {
 168             @Override
 169             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 170             }
 171
 172             @Override
 173             public void onTextChanged(CharSequence s, int start, int before, int count) {
 174             }
 175
 176             @Override
 177             public void afterTextChanged(Editable s) {
 178 //                debug("input", "text changed");
 179                 if (inUpdate)
 180                     return;
 181
 182                 Logger.debug("textWatcher", "calling syncData()");
 183                 syncData();
 184                 Logger.debug("textWatcher",
 185                         "syncData() returned, checking if transaction is submittable");
 186                 adapter.checkTransactionSubmittable();
 187                 Logger.debug("textWatcher", "done");
 188             }
 189         };
 190         final TextWatcher amountWatcher = new TextWatcher() {
 191             @Override
 192             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 193                 Logger.debug("num",
 194                         String.format(Locale.US, "beforeTextChanged: start=%d, count=%d, after=%d",
 195                                 start, count, after));
 196             }
 197             @Override
 198             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 199             @Override
 200             public void afterTextChanged(Editable s) {
 201                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
 202                     // only one decimal separator is allowed
 203                     // plus and minus are allowed only at the beginning
 204                     String allowed = "0123456789";
 205                     String val = s.toString();
 206                     Logger.debug("input", val);
 207                     if (val.isEmpty() || (tvAmount.getSelectionStart() == 0))
 208                         allowed += "-";
 209                     if (!val.contains(decimalSeparator) && !val.contains(decimalDot))
 210                         allowed += decimalSeparator + decimalDot;
 211
 212                     tvAmount.setKeyListener(DigitsKeyListener.getInstance(allowed));
 213                 }
 214
 215                 if (syncData())
 216                     adapter.checkTransactionSubmittable();
 217             }
 218         };
 219         tvDescription.addTextChangedListener(tw);
 220         tvAccount.addTextChangedListener(tw);
 221         tvComment.addTextChangedListener(tw);
 222         tvAmount.addTextChangedListener(amountWatcher);
 223
 224         tvCurrency.setOnClickListener(v -> {
 225             CurrencySelectorFragment cpf = new CurrencySelectorFragment();
 226             cpf.showPositionAndPadding();
 227             cpf.setOnCurrencySelectedListener(c -> item.setCurrency(c));
 228             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 229             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 230         });
 231
 232         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 233             tvAmount.setKeyListener(
 234                     DigitsKeyListener.getInstance(Data.locale.getValue(), true, true));
 235         else
 236             tvAmount.setKeyListener(
 237                     DigitsKeyListener.getInstance("0123456789+-" + decimalSeparator + decimalDot));
 238
 239         dateObserver = date -> {
 240             if (syncingData)
 241                 return;
 242             syncingData = true;
 243             try {
 244                 tvDate.setText(item.getFormattedDate());
 245             }
 246             finally {
 247                 syncingData = false;
 248             }
 249         };
 250         descriptionObserver = description -> {
 251             if (syncingData)
 252                 return;
 253             syncingData = true;
 254             try {
 255                 tvDescription.setText(description);
 256             }
 257             finally {
 258                 syncingData = false;
 259             }
 260         };
 261         hintObserver = hint -> {
 262             if (syncingData)
 263                 return;
 264             syncingData = true;
 265             try {
 266                 if (hint == null)
 267                     tvAmount.setHint(R.string.zero_amount);
 268                 else
 269                     tvAmount.setHint(hint);
 270             }
 271             finally {
 272                 syncingData = false;
 273             }
 274         };
 275         editableObserver = this::setEditable;
 276         commentVisibleObserver = this::setCommentVisible;
 277         commentObserver = this::setComment;
 278         focusedAccountObserver = index -> {
 279             if ((index != null) && index.equals(getAdapterPosition())) {
 280                 switch (item.getType()) {
 281                     case generalData:
 282                         // bad idea - double pop-up, and not really necessary.
 283                         // the user can tap the input to get the calendar
 284                         //if (!tvDate.hasFocus()) tvDate.requestFocus();
 285                         boolean focused = tvDescription.requestFocus();
 286                         tvDescription.dismissDropDown();
 287                         if (focused)
 288                             Misc.showSoftKeyboard(
 289                                     (NewTransactionActivity) tvDescription.getContext());
 290                         break;
 291                     case transactionRow:
 292                         // do nothing if a row element already has the focus
 293                         if (!itemView.hasFocus()) {
 294                             switch (item.getFocusedElement()) {
 295                                 case Amount:
 296                                     tvAmount.requestFocus();
 297                                     break;
 298                                 case Comment:
 299                                     tvComment.requestFocus();
 300                                     break;
 301                                 case Account:
 302                                     focused = tvAccount.requestFocus();
 303                                     tvAccount.dismissDropDown();
 304                                     if (focused)
 305                                         Misc.showSoftKeyboard(
 306                                                 (NewTransactionActivity) tvAccount.getContext());
 307                                     break;
 308                             }
 309                         }
 310
 311                         break;
 312                 }
 313             }
 314         };
 315         accountCountObserver = count -> {
 316             final int adapterPosition = getAdapterPosition();
 317             final int layoutPosition = getLayoutPosition();
 318             Logger.debug("holder",
 319                     String.format(Locale.US, "count=%d; pos=%d, layoutPos=%d [%s]", count,
 320                             adapterPosition, layoutPosition, item.getType()
 321                                                                  .toString()
 322                                                                  .concat(item.getType() ==
 323                                                                          ItemType.transactionRow
 324                                                                          ? String.format(Locale.US,
 325                                                                          "'%s'=%s",
 326                                                                          item.getAccount()
 327                                                                              .getAccountName(),
 328                                                                          item.getAccount()
 329                                                                              .isAmountSet()
 330                                                                          ? String.format(Locale.US,
 331                                                                                  "%.2f",
 332                                                                                  item.getAccount()
 333                                                                                      .getAmount())
 334                                                                          : "unset") : "")));
 335             if (adapterPosition == count)
 336                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_DONE);
 337             else
 338                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 339         };
 340
 341         localeObserver = locale -> {
 342             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 343                 tvAmount.setKeyListener(DigitsKeyListener.getInstance(locale, true, true));
 344         };
 345
 346         currencyObserver = currency -> {
 347             setCurrency(currency);
 348             adapter.checkTransactionSubmittable();
 349         };
 350
 351         currencyGapObserver =
 352                 hasGap -> updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(),
 353                         hasGap);
 354
 355         currencyPositionObserver =
 356                 position -> updateCurrencyPositionAndPadding(position, Data.currencyGap.getValue());
 357
 358         showCurrencyObserver = showCurrency -> {
 359             if (showCurrency) {
 360                 tvCurrency.setVisibility(View.VISIBLE);
 361             }
 362             else {
 363                 tvCurrency.setVisibility(View.GONE);
 364                 item.setCurrency(null);
 365             }
 366         };
 367     }
 368     private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
 369         ConstraintLayout.LayoutParams amountLP =
 370                 (ConstraintLayout.LayoutParams) tvAmount.getLayoutParams();
 371         ConstraintLayout.LayoutParams currencyLP =
 372                 (ConstraintLayout.LayoutParams) tvCurrency.getLayoutParams();
 373
 374         if (position == Currency.Position.before) {
 375             currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 376             currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 377
 378             amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 379             amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
 380             amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 381             amountLP.startToEnd = tvCurrency.getId();
 382
 383             tvCurrency.setGravity(Gravity.END);
 384         }
 385         else {
 386             currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 387             currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 388
 389             amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 390             amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
 391             amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 392             amountLP.endToStart = tvCurrency.getId();
 393
 394             tvCurrency.setGravity(Gravity.START);
 395         }
 396
 397         amountLP.resolveLayoutDirection(tvAmount.getLayoutDirection());
 398         currencyLP.resolveLayoutDirection(tvCurrency.getLayoutDirection());
 399
 400         tvAmount.setLayoutParams(amountLP);
 401         tvCurrency.setLayoutParams(currencyLP);
 402
 403         // distance between the amount and the currency symbol
 404         int gapSize = DimensionUtils.sp2px(tvCurrency.getContext(), 5);
 405
 406         if (position == Currency.Position.before) {
 407             tvCurrency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
 408         }
 409         else {
 410             tvCurrency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
 411         }
 412     }
 413     private void setCurrencyString(String currency) {
 414         if ((currency == null) || currency.isEmpty()) {
 415             tvCurrency.setText(R.string.currency_symbol);
 416             tvCurrency.setTextColor(0x7f000000 + (0x00ffffff & Colors.defaultTextColor));
 417         }
 418         else {
 419             tvCurrency.setText(currency);
 420             tvCurrency.setTextColor(Colors.defaultTextColor);
 421         }
 422     }
 423     private void setCurrency(Currency currency) {
 424         setCurrencyString((currency == null) ? null : currency.getName());
 425     }
 426     private void setEditable(Boolean editable) {
 427         tvDate.setEnabled(editable);
 428         tvDescription.setEnabled(editable);
 429         tvAccount.setEnabled(editable);
 430         tvAmount.setEnabled(editable);
 431     }
 432     private void setCommentVisible(@NotNull Boolean visible) {
 433         if (visible) {
 434             // showing; show the comment view and align the comment button to it
 435             tvComment.setVisibility(View.VISIBLE);
 436             tvComment.requestFocus();
 437             ConstraintLayout.LayoutParams lp =
 438                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 439             lp.bottomToBottom = R.id.comment;
 440
 441             commentButton.setLayoutParams(lp);
 442         }
 443         else {
 444             // hiding; hide the comment view and align the comment bottom to the amount
 445             tvComment.setVisibility(View.GONE);
 446             ConstraintLayout.LayoutParams lp =
 447                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 448             lp.bottomToBottom = R.id.amount_layout;   // R.id.parent doesn't work here
 449
 450             commentButton.setLayoutParams(lp);
 451         }
 452     }
 453     private void setComment(String comment) {
 454         if ((comment != null) && !comment.isEmpty())
 455             commentButton.setBackgroundResource(R.drawable.ic_comment_black_24dp);
 456         else
 457             commentButton.setBackgroundResource(R.drawable.ic_comment_gray_24dp);
 458     }
 459     private void beginUpdates() {
 460         if (inUpdate)
 461             throw new RuntimeException("Already in update mode");
 462         inUpdate = true;
 463     }
 464     private void endUpdates() {
 465         if (!inUpdate)
 466             throw new RuntimeException("Not in update mode");
 467         inUpdate = false;
 468     }
 469     /**
 470      * syncData()
 471      * <p>
 472      * Stores the data from the UI elements into the model item
 473      * Returns true if there were changes made that suggest transaction has to be
 474      * checked for being submittable
 475      */
 476     private boolean syncData() {
 477         if (item == null)
 478             return false;
 479
 480         if (syncingData) {
 481             Logger.debug("new-trans", "skipping syncData() loop");
 482             return false;
 483         }
 484
 485         syncingData = true;
 486
 487         try {
 488             switch (item.getType()) {
 489                 case generalData:
 490                     item.setDate(String.valueOf(tvDate.getText()));
 491                     item.setDescription(String.valueOf(tvDescription.getText()));
 492                     break;
 493                 case transactionRow:
 494                     final LedgerTransactionAccount account = item.getAccount();
 495                     account.setAccountName(String.valueOf(tvAccount.getText()));
 496
 497                     item.setComment(String.valueOf(tvComment.getText()));
 498
 499                     String amount = String.valueOf(tvAmount.getText());
 500                     amount = amount.trim();
 501
 502                     if (amount.isEmpty()) {
 503                         account.resetAmount();
 504 //                        account.setCurrency(null);
 505                     }
 506                     else {
 507                         try {
 508                             amount = amount.replace(decimalSeparator, decimalDot);
 509                             account.setAmount(Float.parseFloat(amount));
 510                         }
 511                         catch (NumberFormatException e) {
 512                             Logger.debug("new-trans", String.format(
 513                                     "assuming amount is not set due to number format exception. " +
 514                                     "input was '%s'", amount));
 515                             account.resetAmount();
 516                         }
 517                         final String curr = String.valueOf(tvCurrency.getText());
 518                         if (curr.equals(tvCurrency.getContext()
 519                                                   .getResources()
 520                                                   .getString(R.string.currency_symbol)) ||
 521                             curr.isEmpty())
 522                             account.setCurrency(null);
 523                         else
 524                             account.setCurrency(curr);
 525                     }
 526
 527                     break;
 528                 case bottomFiller:
 529                     throw new RuntimeException("Should not happen");
 530             }
 531
 532             return true;
 533         }
 534         finally {
 535             syncingData = false;
 536         }
 537     }
 538     private void pickTransactionDate() {
 539         DatePickerFragment picker = new DatePickerFragment();
 540         picker.setFutureDates(mProfile.getFutureDates());
 541         picker.setOnDatePickedListener(this);
 542         picker.show(((NewTransactionActivity) tvDate.getContext()).getSupportFragmentManager(),
 543                 "datePicker");
 544     }
 545     /**
 546      * setData
 547      *
 548      * @param item updates the UI elements with the data from the model item
 549      */
 550     @SuppressLint("DefaultLocale")
 551     public void setData(NewTransactionModel.Item item) {
 552         beginUpdates();
 553         try {
 554             if (this.item != null && !this.item.equals(item)) {
 555                 this.item.stopObservingDate(dateObserver);
 556                 this.item.stopObservingDescription(descriptionObserver);
 557                 this.item.stopObservingAmountHint(hintObserver);
 558                 this.item.stopObservingEditableFlag(editableObserver);
 559                 this.item.stopObservingCommentVisible(commentVisibleObserver);
 560                 this.item.stopObservingComment(commentObserver);
 561                 this.item.getModel()
 562                          .stopObservingFocusedItem(focusedAccountObserver);
 563                 this.item.getModel()
 564                          .stopObservingAccountCount(accountCountObserver);
 565                 Data.currencySymbolPosition.removeObserver(currencyPositionObserver);
 566                 Data.currencyGap.removeObserver(currencyGapObserver);
 567                 Data.locale.removeObserver(localeObserver);
 568                 this.item.stopObservingCurrency(currencyObserver);
 569                 this.item.getModel().showCurrency.removeObserver(showCurrencyObserver);
 570
 571                 this.item = null;
 572             }
 573
 574             switch (item.getType()) {
 575                 case generalData:
 576                     tvDate.setText(item.getFormattedDate());
 577                     tvDescription.setText(item.getDescription());
 578                     lHead.setVisibility(View.VISIBLE);
 579                     lAccount.setVisibility(View.GONE);
 580                     lPadding.setVisibility(View.GONE);
 581                     setEditable(true);
 582                     break;
 583                 case transactionRow:
 584                     LedgerTransactionAccount acc = item.getAccount();
 585                     tvAccount.setText(acc.getAccountName());
 586                     tvComment.setText(acc.getComment());
 587                     if (acc.isAmountSet()) {
 588                         tvAmount.setText(String.format("%1.2f", acc.getAmount()));
 589                     }
 590                     else {
 591                         tvAmount.setText("");
 592 //                        tvAmount.setHint(R.string.zero_amount);
 593                     }
 594                     tvAmount.setHint(item.getAmountHint());
 595                     setCurrencyString(acc.getCurrency());
 596                     lHead.setVisibility(View.GONE);
 597                     lAccount.setVisibility(View.VISIBLE);
 598                     lPadding.setVisibility(View.GONE);
 599                     setEditable(true);
 600                     break;
 601                 case bottomFiller:
 602                     lHead.setVisibility(View.GONE);
 603                     lAccount.setVisibility(View.GONE);
 604                     lPadding.setVisibility(View.VISIBLE);
 605                     setEditable(false);
 606                     break;
 607             }
 608             if (this.item == null) { // was null or has changed
 609                 this.item = item;
 610                 final NewTransactionActivity activity =
 611                         (NewTransactionActivity) tvDescription.getContext();
 612
 613                 if (!item.isOfType(ItemType.bottomFiller)) {
 614                     item.observeEditableFlag(activity, editableObserver);
 615                     item.getModel()
 616                         .observeFocusedItem(activity, focusedAccountObserver);
 617                 }
 618                 switch (item.getType()) {
 619                     case generalData:
 620                         item.observeDate(activity, dateObserver);
 621                         item.observeDescription(activity, descriptionObserver);
 622                         break;
 623                     case transactionRow:
 624                         item.observeAmountHint(activity, hintObserver);
 625                         item.observeCommentVisible(activity, commentVisibleObserver);
 626                         item.observeComment(activity, commentObserver);
 627                         Data.currencySymbolPosition.observe(activity, currencyPositionObserver);
 628                         Data.currencyGap.observe(activity, currencyGapObserver);
 629                         Data.locale.observe(activity, localeObserver);
 630                         item.observeCurrency(activity, currencyObserver);
 631                         item.getModel().showCurrency.observe(activity, showCurrencyObserver);
 632                         item.getModel()
 633                             .observeAccountCount(activity, accountCountObserver);
 634                         break;
 635                 }
 636             }
 637         }
 638         finally {
 639             endUpdates();
 640         }
 641     }
 642     @Override
 643     public void onDatePicked(int year, int month, int day) {
 644         final Calendar c = GregorianCalendar.getInstance();
 645         c.set(year, month, day);
 646         item.setDate(c.getTime());
 647         boolean focused = tvDescription.requestFocus();
 648         if (focused)
 649             Misc.showSoftKeyboard((NewTransactionActivity) tvAccount.getContext());
 650
 651     }
 652     @Override
 653     public void descriptionSelected(String description) {
 654         tvAccount.setText(description);
 655         tvAmount.requestFocus(View.FOCUS_FORWARD);
 656     }
 657 }