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.OnCurrencySelectedListener;
  50 import net.ktnx.mobileledger.ui.TextViewClearHelper;
  51 import net.ktnx.mobileledger.utils.Colors;
  52 import net.ktnx.mobileledger.utils.DimensionUtils;
  53 import net.ktnx.mobileledger.utils.Logger;
  54 import net.ktnx.mobileledger.utils.MLDB;
  55 import net.ktnx.mobileledger.utils.Misc;
  56
  57 import java.text.DecimalFormatSymbols;
  58 import java.util.Calendar;
  59 import java.util.Date;
  60 import java.util.GregorianCalendar;
  61 import java.util.Locale;
  62
  63 import static net.ktnx.mobileledger.ui.activity.NewTransactionModel.ItemType;
  64
  65 class NewTransactionItemHolder extends RecyclerView.ViewHolder
  66         implements DatePickerFragment.DatePickedListener, DescriptionSelectedCallback,
  67         OnCurrencySelectedListener {
  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 boolean inUpdate = false;
  95     private boolean syncingData = false;
  96     private View commentButton;
  97     //TODO multiple amounts with different currencies per posting
  98     NewTransactionItemHolder(@NonNull View itemView, NewTransactionItemsAdapter adapter) {
  99         super(itemView);
 100         tvAccount = itemView.findViewById(R.id.account_row_acc_name);
 101         tvComment = itemView.findViewById(R.id.comment);
 102         new TextViewClearHelper().attachToTextView((EditText) tvComment);
 103         commentButton = itemView.findViewById(R.id.comment_button);
 104         tvAmount = itemView.findViewById(R.id.account_row_acc_amounts);
 105         tvCurrency = itemView.findViewById(R.id.currency);
 106         tvDate = itemView.findViewById(R.id.new_transaction_date);
 107         tvDescription = itemView.findViewById(R.id.new_transaction_description);
 108         lHead = itemView.findViewById(R.id.ntr_data);
 109         lAccount = itemView.findViewById(R.id.ntr_account);
 110         lPadding = itemView.findViewById(R.id.ntr_padding);
 111
 112         tvDescription.setNextFocusForwardId(View.NO_ID);
 113         tvAccount.setNextFocusForwardId(View.NO_ID);
 114         tvAmount.setNextFocusForwardId(View.NO_ID); // magic!
 115
 116         tvDate.setOnClickListener(v -> pickTransactionDate());
 117
 118         mProfile = Data.profile.getValue();
 119         if (mProfile == null)
 120             throw new AssertionError();
 121
 122         View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
 123             if (hasFocus) {
 124                 boolean wasSyncing = syncingData;
 125                 syncingData = true;
 126                 try {
 127                     final int pos = getAdapterPosition();
 128                     adapter.updateFocusedItem(pos);
 129                     switch (v.getId()) {
 130                         case R.id.account_row_acc_name:
 131                             adapter.noteFocusIsOnAccount(pos);
 132                             break;
 133                         case R.id.account_row_acc_amounts:
 134                             adapter.noteFocusIsOnAmount(pos);
 135                             break;
 136                         case R.id.comment:
 137                             adapter.noteFocusIsOnComment(pos);
 138                             break;
 139                     }
 140                 }
 141                 finally {
 142                     syncingData = wasSyncing;
 143                 }
 144             }
 145         };
 146
 147         tvDescription.setOnFocusChangeListener(focusMonitor);
 148         tvAccount.setOnFocusChangeListener(focusMonitor);
 149         tvAmount.setOnFocusChangeListener(focusMonitor);
 150
 151         itemView.findViewById(R.id.comment_button)
 152                 .setOnClickListener(v -> {
 153                     final int pos = getAdapterPosition();
 154                     adapter.toggleComment(pos);
 155                 });
 156         MLDB.hookAutocompletionAdapter(tvDescription.getContext(), tvDescription,
 157                 MLDB.DESCRIPTION_HISTORY_TABLE, "description", false, adapter, mProfile);
 158         MLDB.hookAutocompletionAdapter(tvAccount.getContext(), tvAccount, MLDB.ACCOUNTS_TABLE,
 159                 "name", true, this, mProfile);
 160
 161         // FIXME: react on configuration (locale) changes
 162         decimalSeparator = String.valueOf(DecimalFormatSymbols.getInstance()
 163                                                               .getMonetaryDecimalSeparator());
 164         decimalDot = ".";
 165
 166         final TextWatcher tw = new TextWatcher() {
 167             @Override
 168             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 169             }
 170
 171             @Override
 172             public void onTextChanged(CharSequence s, int start, int before, int count) {
 173             }
 174
 175             @Override
 176             public void afterTextChanged(Editable s) {
 177 //                debug("input", "text changed");
 178                 if (inUpdate)
 179                     return;
 180
 181                 Logger.debug("textWatcher", "calling syncData()");
 182                 syncData();
 183                 Logger.debug("textWatcher",
 184                         "syncData() returned, checking if transaction is submittable");
 185                 adapter.model.checkTransactionSubmittable(adapter);
 186                 Logger.debug("textWatcher", "done");
 187             }
 188         };
 189         final TextWatcher amountWatcher = new TextWatcher() {
 190             @Override
 191             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 192                 Logger.debug("num",
 193                         String.format(Locale.US, "beforeTextChanged: start=%d, count=%d, after=%d",
 194                                 start, count, after));
 195             }
 196             @Override
 197             public void onTextChanged(CharSequence s, int start, int before, int count) {
 198                 Logger.debug("num",
 199                         String.format(Locale.US, "onTextChanged: start=%d, before=%d, count=%d",
 200                                 start, before, count));
 201             }
 202             @Override
 203             public void afterTextChanged(Editable s) {
 204                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
 205                     // only one decimal separator is allowed
 206                     // plus and minus are allowed only at the beginning
 207                     String allowed = "0123456789";
 208                     String val = s.toString();
 209                     if (val.isEmpty() || (tvAmount.getSelectionStart() == 0))
 210                         allowed += "-";
 211                     if (!val.contains(decimalSeparator) && !val.contains(decimalDot))
 212                         allowed += decimalSeparator + decimalDot;
 213
 214                     tvAmount.setKeyListener(DigitsKeyListener.getInstance(allowed));
 215
 216                     syncData();
 217                     adapter.model.checkTransactionSubmittable(adapter);
 218                 }
 219             }
 220         };
 221         tvDescription.addTextChangedListener(tw);
 222         tvAccount.addTextChangedListener(tw);
 223         tvComment.addTextChangedListener(tw);
 224         tvAmount.addTextChangedListener(amountWatcher);
 225
 226         tvCurrency.setOnClickListener(v -> {
 227             CurrencySelectorFragment cpf = new CurrencySelectorFragment();
 228             cpf.setOnCurrencySelectedListener(this);
 229             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 230             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 231         });
 232
 233         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 234             tvAmount.setKeyListener(DigitsKeyListener.getInstance(Locale.getDefault(), 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         currencyPositionObserver = position -> {
 342             updateCurrencyPositionAndPadding(position, Data.currencyGap.getValue());
 343         };
 344
 345         currencyGapObserver = hasGap -> {
 346             updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(), hasGap);
 347         };
 348
 349         localeObserver = locale -> {
 350             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 351                 tvAmount.setKeyListener(DigitsKeyListener.getInstance(locale, true, true));
 352         };
 353
 354         currencyObserver = this::setCurrency;
 355     }
 356     private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
 357         ConstraintLayout.LayoutParams amountLP =
 358                 (ConstraintLayout.LayoutParams) tvAmount.getLayoutParams();
 359         ConstraintLayout.LayoutParams currencyLP =
 360                 (ConstraintLayout.LayoutParams) tvCurrency.getLayoutParams();
 361
 362         if (position == Currency.Position.before) {
 363             currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 364             currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 365
 366             amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 367             amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
 368             amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 369             amountLP.startToEnd = tvCurrency.getId();
 370
 371             tvCurrency.setGravity(Gravity.END);
 372         }
 373         else {
 374             currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 375             currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 376
 377             amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 378             amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
 379             amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 380             amountLP.endToStart = tvCurrency.getId();
 381
 382             tvCurrency.setGravity(Gravity.START);
 383         }
 384
 385         amountLP.resolveLayoutDirection(tvAmount.getLayoutDirection());
 386         currencyLP.resolveLayoutDirection(tvCurrency.getLayoutDirection());
 387
 388         tvAmount.setLayoutParams(amountLP);
 389         tvCurrency.setLayoutParams(currencyLP);
 390
 391         // distance between the amount and the currency symbol
 392         int gapSize = DimensionUtils.sp2px(tvCurrency.getContext(), 5);
 393
 394         if (position == Currency.Position.before) {
 395             tvCurrency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
 396         }
 397         else {
 398             tvCurrency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
 399         }
 400     }
 401     private void setCurrencyString(String currency) {
 402         if ((currency == null) || currency.isEmpty()) {
 403             tvCurrency.setText(R.string.currency_symbol);
 404             tvCurrency.setTextColor(0x7f000000 + (0x00ffffff & Colors.defaultTextColor));
 405         }
 406         else {
 407             tvCurrency.setText(currency);
 408             tvCurrency.setTextColor(Colors.defaultTextColor);
 409         }
 410     }
 411     private void setCurrency(Currency currency) {
 412         setCurrencyString((currency == null) ? null : currency.getName());
 413     }
 414     private void setEditable(Boolean editable) {
 415         tvDate.setEnabled(editable);
 416         tvDescription.setEnabled(editable);
 417         tvAccount.setEnabled(editable);
 418         tvAmount.setEnabled(editable);
 419     }
 420     private void setCommentVisible(Boolean visible) {
 421         if (visible) {
 422             // showing; show the comment view and align the comment button to it
 423             tvComment.setVisibility(View.VISIBLE);
 424             tvComment.requestFocus();
 425             ConstraintLayout.LayoutParams lp =
 426                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 427             lp.bottomToBottom = R.id.comment;
 428
 429             commentButton.setLayoutParams(lp);
 430         }
 431         else {
 432             // hiding; hide the comment comment view and align amounts layout under it
 433             tvComment.setVisibility(View.GONE);
 434             ConstraintLayout.LayoutParams lp =
 435                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 436             lp.bottomToBottom = R.id.ntr_account;   // R.id.parent doesn't work here
 437
 438             commentButton.setLayoutParams(lp);
 439         }
 440     }
 441     private void setComment(String comment) {
 442         if ((comment != null) && !comment.isEmpty())
 443             commentButton.setBackgroundResource(R.drawable.ic_comment_black_24dp);
 444         else
 445             commentButton.setBackgroundResource(R.drawable.ic_comment_gray_24dp);
 446     }
 447     private void beginUpdates() {
 448         if (inUpdate)
 449             throw new RuntimeException("Already in update mode");
 450         inUpdate = true;
 451     }
 452     private void endUpdates() {
 453         if (!inUpdate)
 454             throw new RuntimeException("Not in update mode");
 455         inUpdate = false;
 456     }
 457     /**
 458      * syncData()
 459      * <p>
 460      * Stores the data from the UI elements into the model item
 461      */
 462     private void syncData() {
 463         if (item == null)
 464             return;
 465
 466         if (syncingData) {
 467             Logger.debug("new-trans", "skipping syncData() loop");
 468             return;
 469         }
 470
 471         syncingData = true;
 472
 473         try {
 474             switch (item.getType()) {
 475                 case generalData:
 476                     item.setDate(String.valueOf(tvDate.getText()));
 477                     item.setDescription(String.valueOf(tvDescription.getText()));
 478                     break;
 479                 case transactionRow:
 480                     final LedgerTransactionAccount account = item.getAccount();
 481                     account.setAccountName(String.valueOf(tvAccount.getText()));
 482
 483                     item.setComment(String.valueOf(tvComment.getText()));
 484
 485                     // TODO: handle multiple amounts
 486                     String amount = String.valueOf(tvAmount.getText());
 487                     amount = amount.trim();
 488
 489                     if (amount.isEmpty()) {
 490                         account.resetAmount();
 491                         account.setCurrency(null);
 492                     }
 493                     else {
 494                         try {
 495                             amount = amount.replace(decimalSeparator, decimalDot);
 496                             account.setAmount(Float.parseFloat(amount));
 497                         }
 498                         catch (NumberFormatException e) {
 499                             Logger.debug("new-trans", String.format(
 500                                     "assuming amount is not set due to number format exception. " +
 501                                     "input was '%s'", amount));
 502                             account.resetAmount();
 503                         }
 504                         final String curr = String.valueOf(tvCurrency.getText());
 505                         if (curr.equals(tvCurrency.getContext()
 506                                                   .getResources()
 507                                                   .getString(R.string.currency_symbol)) ||
 508                             curr.isEmpty())
 509                             account.setCurrency(null);
 510                         else
 511                             account.setCurrency(curr);
 512                     }
 513
 514                     break;
 515                 case bottomFiller:
 516                     throw new RuntimeException("Should not happen");
 517             }
 518         }
 519         finally {
 520             syncingData = false;
 521         }
 522     }
 523     private void pickTransactionDate() {
 524         DatePickerFragment picker = new DatePickerFragment();
 525         picker.setFutureDates(mProfile.getFutureDates());
 526         picker.setOnDatePickedListener(this);
 527         picker.show(((NewTransactionActivity) tvDate.getContext()).getSupportFragmentManager(),
 528                 "datePicker");
 529     }
 530     /**
 531      * setData
 532      *
 533      * @param item updates the UI elements with the data from the model item
 534      */
 535     @SuppressLint("DefaultLocale")
 536     public void setData(NewTransactionModel.Item item) {
 537         beginUpdates();
 538         try {
 539             if (this.item != null && !this.item.equals(item)) {
 540                 this.item.stopObservingDate(dateObserver);
 541                 this.item.stopObservingDescription(descriptionObserver);
 542                 this.item.stopObservingAmountHint(hintObserver);
 543                 this.item.stopObservingEditableFlag(editableObserver);
 544                 this.item.stopObservingCommentVisible(commentVisibleObserver);
 545                 this.item.stopObservingComment(commentObserver);
 546                 this.item.getModel()
 547                          .stopObservingFocusedItem(focusedAccountObserver);
 548                 this.item.getModel()
 549                          .stopObservingAccountCount(accountCountObserver);
 550                 Data.currencySymbolPosition.removeObserver(currencyPositionObserver);
 551                 Data.currencyGap.removeObserver(currencyGapObserver);
 552                 Data.locale.removeObserver(localeObserver);
 553                 this.item.stopObservingCurrency(currencyObserver);
 554
 555                 this.item = null;
 556             }
 557
 558             switch (item.getType()) {
 559                 case generalData:
 560                     tvDate.setText(item.getFormattedDate());
 561                     tvDescription.setText(item.getDescription());
 562                     lHead.setVisibility(View.VISIBLE);
 563                     lAccount.setVisibility(View.GONE);
 564                     lPadding.setVisibility(View.GONE);
 565                     setEditable(true);
 566                     break;
 567                 case transactionRow:
 568                     LedgerTransactionAccount acc = item.getAccount();
 569                     tvAccount.setText(acc.getAccountName());
 570                     tvComment.setText(acc.getComment());
 571                     if (acc.isAmountSet()) {
 572                         tvAmount.setText(String.format("%1.2f", acc.getAmount()));
 573                     }
 574                     else {
 575                         tvAmount.setText("");
 576 //                        tvAmount.setHint(R.string.zero_amount);
 577                     }
 578                     tvAmount.setHint(item.getAmountHint());
 579                     setCurrencyString(acc.getCurrency());
 580                     lHead.setVisibility(View.GONE);
 581                     lAccount.setVisibility(View.VISIBLE);
 582                     lPadding.setVisibility(View.GONE);
 583                     setEditable(true);
 584                     break;
 585                 case bottomFiller:
 586                     lHead.setVisibility(View.GONE);
 587                     lAccount.setVisibility(View.GONE);
 588                     lPadding.setVisibility(View.VISIBLE);
 589                     setEditable(false);
 590                     break;
 591             }
 592
 593             if (this.item == null) { // was null or has changed
 594                 this.item = item;
 595                 final NewTransactionActivity activity =
 596                         (NewTransactionActivity) tvDescription.getContext();
 597                 item.observeDate(activity, dateObserver);
 598                 item.observeDescription(activity, descriptionObserver);
 599                 item.observeAmountHint(activity, hintObserver);
 600                 item.observeEditableFlag(activity, editableObserver);
 601                 item.observeCommentVisible(activity, commentVisibleObserver);
 602                 item.observeComment(activity, commentObserver);
 603                 item.getModel()
 604                     .observeFocusedItem(activity, focusedAccountObserver);
 605                 item.getModel()
 606                     .observeAccountCount(activity, accountCountObserver);
 607                 Data.currencySymbolPosition.observe(activity, currencyPositionObserver);
 608                 Data.currencyGap.observe(activity, currencyGapObserver);
 609                 Data.locale.observe(activity, localeObserver);
 610                 item.observeCurrency(activity, currencyObserver);
 611             }
 612         }
 613         finally {
 614             endUpdates();
 615         }
 616     }
 617     @Override
 618     public void onDatePicked(int year, int month, int day) {
 619         final Calendar c = GregorianCalendar.getInstance();
 620         c.set(year, month, day);
 621         item.setDate(c.getTime());
 622         boolean focused = tvDescription.requestFocus();
 623         if (focused)
 624             Misc.showSoftKeyboard((NewTransactionActivity) tvAccount.getContext());
 625
 626     }
 627     @Override
 628     public void onCurrencySelected(Currency item) {
 629         this.item.setCurrency(item);
 630     }
 631     @Override
 632     public void descriptionSelected(String description) {
 633         tvAccount.setText(description);
 634         tvAmount.requestFocus(View.FOCUS_FORWARD);
 635     }
 636 }