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 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.model.checkTransactionSubmittable(adapter);
 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                 Logger.debug("num",
 200                         String.format(Locale.US, "onTextChanged: start=%d, before=%d, count=%d",
 201                                 start, before, count));
 202             }
 203             @Override
 204             public void afterTextChanged(Editable s) {
 205                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
 206                     // only one decimal separator is allowed
 207                     // plus and minus are allowed only at the beginning
 208                     String allowed = "0123456789";
 209                     String val = s.toString();
 210                     if (val.isEmpty() || (tvAmount.getSelectionStart() == 0))
 211                         allowed += "-";
 212                     if (!val.contains(decimalSeparator) && !val.contains(decimalDot))
 213                         allowed += decimalSeparator + decimalDot;
 214
 215                     tvAmount.setKeyListener(DigitsKeyListener.getInstance(allowed));
 216
 217                     syncData();
 218                     adapter.model.checkTransactionSubmittable(adapter);
 219                 }
 220             }
 221         };
 222         tvDescription.addTextChangedListener(tw);
 223         tvAccount.addTextChangedListener(tw);
 224         tvComment.addTextChangedListener(tw);
 225         tvAmount.addTextChangedListener(amountWatcher);
 226
 227         tvCurrency.setOnClickListener(v -> {
 228             CurrencySelectorFragment cpf = new CurrencySelectorFragment();
 229             cpf.setOnCurrencySelectedListener(this);
 230             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 231             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 232         });
 233
 234         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 235             tvAmount.setKeyListener(
 236                     DigitsKeyListener.getInstance(Data.locale.getValue(), true, true));
 237         else
 238             tvAmount.setKeyListener(
 239                     DigitsKeyListener.getInstance("0123456789+-" + decimalSeparator + decimalDot));
 240
 241         dateObserver = date -> {
 242             if (syncingData)
 243                 return;
 244             syncingData = true;
 245             try {
 246                 tvDate.setText(item.getFormattedDate());
 247             }
 248             finally {
 249                 syncingData = false;
 250             }
 251         };
 252         descriptionObserver = description -> {
 253             if (syncingData)
 254                 return;
 255             syncingData = true;
 256             try {
 257                 tvDescription.setText(description);
 258             }
 259             finally {
 260                 syncingData = false;
 261             }
 262         };
 263         hintObserver = hint -> {
 264             if (syncingData)
 265                 return;
 266             syncingData = true;
 267             try {
 268                 if (hint == null)
 269                     tvAmount.setHint(R.string.zero_amount);
 270                 else
 271                     tvAmount.setHint(hint);
 272             }
 273             finally {
 274                 syncingData = false;
 275             }
 276         };
 277         editableObserver = this::setEditable;
 278         commentVisibleObserver = this::setCommentVisible;
 279         commentObserver = this::setComment;
 280         focusedAccountObserver = index -> {
 281             if ((index != null) && index.equals(getAdapterPosition())) {
 282                 switch (item.getType()) {
 283                     case generalData:
 284                         // bad idea - double pop-up, and not really necessary.
 285                         // the user can tap the input to get the calendar
 286                         //if (!tvDate.hasFocus()) tvDate.requestFocus();
 287                         boolean focused = tvDescription.requestFocus();
 288                         tvDescription.dismissDropDown();
 289                         if (focused)
 290                             Misc.showSoftKeyboard(
 291                                     (NewTransactionActivity) tvDescription.getContext());
 292                         break;
 293                     case transactionRow:
 294                         // do nothing if a row element already has the focus
 295                         if (!itemView.hasFocus()) {
 296                             switch (item.getFocusedElement()) {
 297                                 case Amount:
 298                                     tvAmount.requestFocus();
 299                                     break;
 300                                 case Comment:
 301                                     tvComment.requestFocus();
 302                                     break;
 303                                 case Account:
 304                                     focused = tvAccount.requestFocus();
 305                                     tvAccount.dismissDropDown();
 306                                     if (focused)
 307                                         Misc.showSoftKeyboard(
 308                                                 (NewTransactionActivity) tvAccount.getContext());
 309                                     break;
 310                             }
 311                         }
 312
 313                         break;
 314                 }
 315             }
 316         };
 317         accountCountObserver = count -> {
 318             final int adapterPosition = getAdapterPosition();
 319             final int layoutPosition = getLayoutPosition();
 320             Logger.debug("holder",
 321                     String.format(Locale.US, "count=%d; pos=%d, layoutPos=%d [%s]", count,
 322                             adapterPosition, layoutPosition, item.getType()
 323                                                                  .toString()
 324                                                                  .concat(item.getType() ==
 325                                                                          ItemType.transactionRow
 326                                                                          ? String.format(Locale.US,
 327                                                                          "'%s'=%s",
 328                                                                          item.getAccount()
 329                                                                              .getAccountName(),
 330                                                                          item.getAccount()
 331                                                                              .isAmountSet()
 332                                                                          ? String.format(Locale.US,
 333                                                                                  "%.2f",
 334                                                                                  item.getAccount()
 335                                                                                      .getAmount())
 336                                                                          : "unset") : "")));
 337             if (adapterPosition == count)
 338                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_DONE);
 339             else
 340                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 341         };
 342
 343         currencyPositionObserver = position -> {
 344             updateCurrencyPositionAndPadding(position, Data.currencyGap.getValue());
 345         };
 346
 347         currencyGapObserver = hasGap -> {
 348             updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(), hasGap);
 349         };
 350
 351         localeObserver = locale -> {
 352             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 353                 tvAmount.setKeyListener(DigitsKeyListener.getInstance(locale, true, true));
 354         };
 355
 356         currencyObserver = this::setCurrency;
 357
 358         showCurrencyObserver = showCurrency -> {
 359             if (item.getType() == ItemType.transactionRow) {
 360                 if (showCurrency) {
 361                     tvCurrency.setVisibility(View.VISIBLE);
 362                 }
 363                 else {
 364                     tvCurrency.setVisibility(View.GONE);
 365                     item.setCurrency(null);
 366                 }
 367             }
 368         };
 369     }
 370     private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
 371         ConstraintLayout.LayoutParams amountLP =
 372                 (ConstraintLayout.LayoutParams) tvAmount.getLayoutParams();
 373         ConstraintLayout.LayoutParams currencyLP =
 374                 (ConstraintLayout.LayoutParams) tvCurrency.getLayoutParams();
 375
 376         if (position == Currency.Position.before) {
 377             currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 378             currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 379
 380             amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 381             amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
 382             amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 383             amountLP.startToEnd = tvCurrency.getId();
 384
 385             tvCurrency.setGravity(Gravity.END);
 386         }
 387         else {
 388             currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 389             currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 390
 391             amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 392             amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
 393             amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 394             amountLP.endToStart = tvCurrency.getId();
 395
 396             tvCurrency.setGravity(Gravity.START);
 397         }
 398
 399         amountLP.resolveLayoutDirection(tvAmount.getLayoutDirection());
 400         currencyLP.resolveLayoutDirection(tvCurrency.getLayoutDirection());
 401
 402         tvAmount.setLayoutParams(amountLP);
 403         tvCurrency.setLayoutParams(currencyLP);
 404
 405         // distance between the amount and the currency symbol
 406         int gapSize = DimensionUtils.sp2px(tvCurrency.getContext(), 5);
 407
 408         if (position == Currency.Position.before) {
 409             tvCurrency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
 410         }
 411         else {
 412             tvCurrency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
 413         }
 414     }
 415     private void setCurrencyString(String currency) {
 416         if ((currency == null) || currency.isEmpty()) {
 417             tvCurrency.setText(R.string.currency_symbol);
 418             tvCurrency.setTextColor(0x7f000000 + (0x00ffffff & Colors.defaultTextColor));
 419         }
 420         else {
 421             tvCurrency.setText(currency);
 422             tvCurrency.setTextColor(Colors.defaultTextColor);
 423         }
 424     }
 425     private void setCurrency(Currency currency) {
 426         setCurrencyString((currency == null) ? null : currency.getName());
 427     }
 428     private void setEditable(Boolean editable) {
 429         tvDate.setEnabled(editable);
 430         tvDescription.setEnabled(editable);
 431         tvAccount.setEnabled(editable);
 432         tvAmount.setEnabled(editable);
 433     }
 434     private void setCommentVisible(Boolean visible) {
 435         if (visible) {
 436             // showing; show the comment view and align the comment button to it
 437             tvComment.setVisibility(View.VISIBLE);
 438             tvComment.requestFocus();
 439             ConstraintLayout.LayoutParams lp =
 440                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 441             lp.bottomToBottom = R.id.comment;
 442
 443             commentButton.setLayoutParams(lp);
 444         }
 445         else {
 446             // hiding; hide the comment comment view and align amounts layout under it
 447             tvComment.setVisibility(View.GONE);
 448             ConstraintLayout.LayoutParams lp =
 449                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 450             lp.bottomToBottom = R.id.ntr_account;   // R.id.parent doesn't work here
 451
 452             commentButton.setLayoutParams(lp);
 453         }
 454     }
 455     private void setComment(String comment) {
 456         if ((comment != null) && !comment.isEmpty())
 457             commentButton.setBackgroundResource(R.drawable.ic_comment_black_24dp);
 458         else
 459             commentButton.setBackgroundResource(R.drawable.ic_comment_gray_24dp);
 460     }
 461     private void beginUpdates() {
 462         if (inUpdate)
 463             throw new RuntimeException("Already in update mode");
 464         inUpdate = true;
 465     }
 466     private void endUpdates() {
 467         if (!inUpdate)
 468             throw new RuntimeException("Not in update mode");
 469         inUpdate = false;
 470     }
 471     /**
 472      * syncData()
 473      * <p>
 474      * Stores the data from the UI elements into the model item
 475      */
 476     private void syncData() {
 477         if (item == null)
 478             return;
 479
 480         if (syncingData) {
 481             Logger.debug("new-trans", "skipping syncData() loop");
 482             return;
 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                     // TODO: handle multiple amounts
 500                     String amount = String.valueOf(tvAmount.getText());
 501                     amount = amount.trim();
 502
 503                     if (amount.isEmpty()) {
 504                         account.resetAmount();
 505                         account.setCurrency(null);
 506                     }
 507                     else {
 508                         try {
 509                             amount = amount.replace(decimalSeparator, decimalDot);
 510                             account.setAmount(Float.parseFloat(amount));
 511                         }
 512                         catch (NumberFormatException e) {
 513                             Logger.debug("new-trans", String.format(
 514                                     "assuming amount is not set due to number format exception. " +
 515                                     "input was '%s'", amount));
 516                             account.resetAmount();
 517                         }
 518                         final String curr = String.valueOf(tvCurrency.getText());
 519                         if (curr.equals(tvCurrency.getContext()
 520                                                   .getResources()
 521                                                   .getString(R.string.currency_symbol)) ||
 522                             curr.isEmpty())
 523                             account.setCurrency(null);
 524                         else
 525                             account.setCurrency(curr);
 526                     }
 527
 528                     break;
 529                 case bottomFiller:
 530                     throw new RuntimeException("Should not happen");
 531             }
 532         }
 533         finally {
 534             syncingData = false;
 535         }
 536     }
 537     private void pickTransactionDate() {
 538         DatePickerFragment picker = new DatePickerFragment();
 539         picker.setFutureDates(mProfile.getFutureDates());
 540         picker.setOnDatePickedListener(this);
 541         picker.show(((NewTransactionActivity) tvDate.getContext()).getSupportFragmentManager(),
 542                 "datePicker");
 543     }
 544     /**
 545      * setData
 546      *
 547      * @param item updates the UI elements with the data from the model item
 548      */
 549     @SuppressLint("DefaultLocale")
 550     public void setData(NewTransactionModel.Item item) {
 551         beginUpdates();
 552         try {
 553             if (this.item != null && !this.item.equals(item)) {
 554                 this.item.stopObservingDate(dateObserver);
 555                 this.item.stopObservingDescription(descriptionObserver);
 556                 this.item.stopObservingAmountHint(hintObserver);
 557                 this.item.stopObservingEditableFlag(editableObserver);
 558                 this.item.stopObservingCommentVisible(commentVisibleObserver);
 559                 this.item.stopObservingComment(commentObserver);
 560                 this.item.getModel()
 561                          .stopObservingFocusedItem(focusedAccountObserver);
 562                 this.item.getModel()
 563                          .stopObservingAccountCount(accountCountObserver);
 564                 Data.currencySymbolPosition.removeObserver(currencyPositionObserver);
 565                 Data.currencyGap.removeObserver(currencyGapObserver);
 566                 Data.locale.removeObserver(localeObserver);
 567                 this.item.stopObservingCurrency(currencyObserver);
 568                 this.item.getModel().showCurrency.removeObserver(showCurrencyObserver);
 569
 570                 this.item = null;
 571             }
 572
 573             switch (item.getType()) {
 574                 case generalData:
 575                     tvDate.setText(item.getFormattedDate());
 576                     tvDescription.setText(item.getDescription());
 577                     lHead.setVisibility(View.VISIBLE);
 578                     lAccount.setVisibility(View.GONE);
 579                     lPadding.setVisibility(View.GONE);
 580                     setEditable(true);
 581                     break;
 582                 case transactionRow:
 583                     LedgerTransactionAccount acc = item.getAccount();
 584                     tvAccount.setText(acc.getAccountName());
 585                     tvComment.setText(acc.getComment());
 586                     if (acc.isAmountSet()) {
 587                         tvAmount.setText(String.format("%1.2f", acc.getAmount()));
 588                     }
 589                     else {
 590                         tvAmount.setText("");
 591 //                        tvAmount.setHint(R.string.zero_amount);
 592                     }
 593                     tvAmount.setHint(item.getAmountHint());
 594                     setCurrencyString(acc.getCurrency());
 595                     lHead.setVisibility(View.GONE);
 596                     lAccount.setVisibility(View.VISIBLE);
 597                     lPadding.setVisibility(View.GONE);
 598                     setEditable(true);
 599                     break;
 600                 case bottomFiller:
 601                     lHead.setVisibility(View.GONE);
 602                     lAccount.setVisibility(View.GONE);
 603                     lPadding.setVisibility(View.VISIBLE);
 604                     setEditable(false);
 605                     break;
 606             }
 607
 608             if (this.item == null) { // was null or has changed
 609                 this.item = item;
 610                 final NewTransactionActivity activity =
 611                         (NewTransactionActivity) tvDescription.getContext();
 612                 item.observeDate(activity, dateObserver);
 613                 item.observeDescription(activity, descriptionObserver);
 614                 item.observeAmountHint(activity, hintObserver);
 615                 item.observeEditableFlag(activity, editableObserver);
 616                 item.observeCommentVisible(activity, commentVisibleObserver);
 617                 item.observeComment(activity, commentObserver);
 618                 item.getModel()
 619                     .observeFocusedItem(activity, focusedAccountObserver);
 620                 item.getModel()
 621                     .observeAccountCount(activity, accountCountObserver);
 622                 Data.currencySymbolPosition.observe(activity, currencyPositionObserver);
 623                 Data.currencyGap.observe(activity, currencyGapObserver);
 624                 Data.locale.observe(activity, localeObserver);
 625                 item.observeCurrency(activity, currencyObserver);
 626                 item.getModel().showCurrency.observe(activity, showCurrencyObserver);
 627             }
 628         }
 629         finally {
 630             endUpdates();
 631         }
 632     }
 633     @Override
 634     public void onDatePicked(int year, int month, int day) {
 635         final Calendar c = GregorianCalendar.getInstance();
 636         c.set(year, month, day);
 637         item.setDate(c.getTime());
 638         boolean focused = tvDescription.requestFocus();
 639         if (focused)
 640             Misc.showSoftKeyboard((NewTransactionActivity) tvAccount.getContext());
 641
 642     }
 643     @Override
 644     public void onCurrencySelected(Currency item) {
 645         this.item.setCurrency(item);
 646     }
 647     @Override
 648     public void descriptionSelected(String description) {
 649         tvAccount.setText(description);
 650         tvAmount.requestFocus(View.FOCUS_FORWARD);
 651     }
 652 }