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.graphics.Typeface;
  22 import android.os.Build;
  23 import android.text.Editable;
  24 import android.text.TextWatcher;
  25 import android.text.method.DigitsKeyListener;
  26 import android.view.Gravity;
  27 import android.view.View;
  28 import android.view.ViewGroup;
  29 import android.view.inputmethod.EditorInfo;
  30 import android.widget.AutoCompleteTextView;
  31 import android.widget.EditText;
  32 import android.widget.FrameLayout;
  33 import android.widget.ProgressBar;
  34 import android.widget.TextView;
  35
  36 import androidx.annotation.NonNull;
  37 import androidx.appcompat.app.AppCompatActivity;
  38 import androidx.constraintlayout.widget.ConstraintLayout;
  39 import androidx.lifecycle.Observer;
  40 import androidx.recyclerview.widget.RecyclerView;
  41
  42 import net.ktnx.mobileledger.R;
  43 import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
  44 import net.ktnx.mobileledger.model.Currency;
  45 import net.ktnx.mobileledger.model.Data;
  46 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
  47 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  48 import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
  49 import net.ktnx.mobileledger.ui.DatePickerFragment;
  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 org.jetbrains.annotations.NotNull;
  58
  59 import java.text.DecimalFormatSymbols;
  60 import java.util.Calendar;
  61 import java.util.Date;
  62 import java.util.GregorianCalendar;
  63 import java.util.Locale;
  64
  65 import static net.ktnx.mobileledger.ui.activity.NewTransactionModel.ItemType;
  66
  67 class NewTransactionItemHolder extends RecyclerView.ViewHolder
  68         implements DatePickerFragment.DatePickedListener, DescriptionSelectedCallback {
  69     private final String decimalSeparator;
  70     private final String decimalDot;
  71     private final TextView tvCurrency;
  72     private NewTransactionModel.Item item;
  73     private TextView tvDate;
  74     private AutoCompleteTextView tvDescription;
  75     private AutoCompleteTextView tvAccount;
  76     private TextView tvComment;
  77     private EditText tvAmount;
  78     private ViewGroup lHead;
  79     private ViewGroup lAccount;
  80     private FrameLayout lPadding;
  81     private MobileLedgerProfile mProfile;
  82     private Date date;
  83     private Observer<Date> dateObserver;
  84     private Observer<String> descriptionObserver;
  85     private Observer<String> hintObserver;
  86     private Observer<Integer> focusedAccountObserver;
  87     private Observer<Integer> accountCountObserver;
  88     private Observer<Boolean> editableObserver;
  89     private Observer<Currency.Position> currencyPositionObserver;
  90     private Observer<Boolean> currencyGapObserver;
  91     private Observer<Locale> localeObserver;
  92     private Observer<Currency> currencyObserver;
  93     private Observer<Boolean> showCurrencyObserver;
  94     private Observer<String> commentObserver;
  95     private Observer<Boolean> busyFlagObserver;
  96     private boolean inUpdate = false;
  97     private boolean syncingData = false;
  98     private View commentButton;
  99     //TODO multiple amounts with different currencies per posting
 100     NewTransactionItemHolder(@NonNull View itemView, NewTransactionItemsAdapter adapter) {
 101         super(itemView);
 102         tvAccount = itemView.findViewById(R.id.account_row_acc_name);
 103         tvComment = itemView.findViewById(R.id.comment);
 104         new TextViewClearHelper().attachToTextView((EditText) tvComment);
 105         commentButton = itemView.findViewById(R.id.comment_button);
 106         tvAmount = itemView.findViewById(R.id.account_row_acc_amounts);
 107         tvCurrency = itemView.findViewById(R.id.currency);
 108         tvDate = itemView.findViewById(R.id.new_transaction_date);
 109         tvDescription = itemView.findViewById(R.id.new_transaction_description);
 110         lHead = itemView.findViewById(R.id.ntr_data);
 111         lAccount = itemView.findViewById(R.id.ntr_account);
 112         lPadding = itemView.findViewById(R.id.ntr_padding);
 113         View commentLayout = itemView.findViewById(R.id.comment_layout);
 114         ProgressBar p = itemView.findViewById(R.id.progressBar);
 115
 116         tvDescription.setNextFocusForwardId(View.NO_ID);
 117         tvAccount.setNextFocusForwardId(View.NO_ID);
 118         tvAmount.setNextFocusForwardId(View.NO_ID); // magic!
 119
 120         tvDate.setOnClickListener(v -> pickTransactionDate());
 121
 122         itemView.findViewById(R.id.comment_button)
 123                 .setOnClickListener(v -> {
 124                     tvComment.setVisibility(View.VISIBLE);
 125                     tvComment.requestFocus();
 126                 });
 127
 128         mProfile = Data.profile.getValue();
 129         if (mProfile == null)
 130             throw new AssertionError();
 131
 132         View.OnFocusChangeListener focusMonitor = (v, hasFocus) -> {
 133             final int id = v.getId();
 134             if (hasFocus) {
 135                 boolean wasSyncing = syncingData;
 136                 syncingData = true;
 137                 try {
 138                     final int pos = getAdapterPosition();
 139                     adapter.updateFocusedItem(pos);
 140                     switch (id) {
 141                         case R.id.account_row_acc_name:
 142                             adapter.noteFocusIsOnAccount(pos);
 143                             break;
 144                         case R.id.account_row_acc_amounts:
 145                             adapter.noteFocusIsOnAmount(pos);
 146                             break;
 147                         case R.id.comment:
 148                             adapter.noteFocusIsOnComment(pos);
 149                             break;
 150                     }
 151                 }
 152                 finally {
 153                     syncingData = wasSyncing;
 154                 }
 155             }
 156
 157             if (id == R.id.comment) {
 158                 commentLayout.setAlpha(hasFocus ? 1f : 0.5f);
 159                 tvComment.setTypeface(null, hasFocus ? Typeface.NORMAL : Typeface.ITALIC);
 160                 if (hasFocus)
 161                     tvComment.setHint(R.string.transaction_account_comment_hint);
 162                 else
 163                     tvComment.setHint("");
 164
 165                 if (!hasFocus && Misc.isEmptyOrNull(tvComment.getText()))
 166                     tvComment.setVisibility(View.INVISIBLE);
 167             }
 168         };
 169
 170         tvDescription.setOnFocusChangeListener(focusMonitor);
 171         tvAccount.setOnFocusChangeListener(focusMonitor);
 172         tvAmount.setOnFocusChangeListener(focusMonitor);
 173         tvComment.setOnFocusChangeListener(focusMonitor);
 174
 175         MLDB.hookAutocompletionAdapter(tvDescription.getContext(), tvDescription,
 176                 MLDB.DESCRIPTION_HISTORY_TABLE, "description", false, adapter, mProfile);
 177         MLDB.hookAutocompletionAdapter(tvAccount.getContext(), tvAccount, MLDB.ACCOUNTS_TABLE,
 178                 "name", true, this, mProfile);
 179
 180         // FIXME: react on configuration (locale) changes
 181         decimalSeparator = String.valueOf(DecimalFormatSymbols.getInstance()
 182                                                               .getMonetaryDecimalSeparator());
 183         decimalDot = ".";
 184
 185         final TextWatcher tw = new TextWatcher() {
 186             @Override
 187             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 188             }
 189
 190             @Override
 191             public void onTextChanged(CharSequence s, int start, int before, int count) {
 192             }
 193
 194             @Override
 195             public void afterTextChanged(Editable s) {
 196 //                debug("input", "text changed");
 197                 if (inUpdate)
 198                     return;
 199
 200                 Logger.debug("textWatcher", "calling syncData()");
 201                 syncData();
 202                 Logger.debug("textWatcher",
 203                         "syncData() returned, checking if transaction is submittable");
 204                 adapter.checkTransactionSubmittable();
 205                 Logger.debug("textWatcher", "done");
 206             }
 207         };
 208         final TextWatcher amountWatcher = new TextWatcher() {
 209             @Override
 210             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 211                 Logger.debug("num",
 212                         String.format(Locale.US, "beforeTextChanged: start=%d, count=%d, after=%d",
 213                                 start, count, after));
 214             }
 215             @Override
 216             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 217             @Override
 218             public void afterTextChanged(Editable s) {
 219                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
 220                     // only one decimal separator is allowed
 221                     // plus and minus are allowed only at the beginning
 222                     String allowed = "0123456789";
 223                     String val = s.toString();
 224                     Logger.debug("input", val);
 225                     if (val.isEmpty() || (tvAmount.getSelectionStart() == 0))
 226                         allowed += "-";
 227                     if (!val.contains(decimalSeparator) && !val.contains(decimalDot))
 228                         allowed += decimalSeparator + decimalDot;
 229
 230                     tvAmount.setKeyListener(DigitsKeyListener.getInstance(allowed));
 231                 }
 232
 233                 if (syncData())
 234                     adapter.checkTransactionSubmittable();
 235             }
 236         };
 237         tvDescription.addTextChangedListener(tw);
 238         tvAccount.addTextChangedListener(tw);
 239         tvComment.addTextChangedListener(tw);
 240         tvAmount.addTextChangedListener(amountWatcher);
 241
 242         tvCurrency.setOnClickListener(v -> {
 243             CurrencySelectorFragment cpf = new CurrencySelectorFragment();
 244             cpf.showPositionAndPadding();
 245             cpf.setOnCurrencySelectedListener(c -> item.setCurrency(c));
 246             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 247             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 248         });
 249
 250         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 251             tvAmount.setKeyListener(
 252                     DigitsKeyListener.getInstance(Data.locale.getValue(), true, true));
 253         else
 254             tvAmount.setKeyListener(
 255                     DigitsKeyListener.getInstance("0123456789+-" + decimalSeparator + decimalDot));
 256
 257         dateObserver = date -> {
 258             if (syncingData)
 259                 return;
 260             syncingData = true;
 261             try {
 262                 tvDate.setText(item.getFormattedDate());
 263             }
 264             finally {
 265                 syncingData = false;
 266             }
 267         };
 268         descriptionObserver = description -> {
 269             if (syncingData)
 270                 return;
 271             syncingData = true;
 272             try {
 273                 tvDescription.setText(description);
 274             }
 275             finally {
 276                 syncingData = false;
 277             }
 278         };
 279         hintObserver = hint -> {
 280             if (syncingData)
 281                 return;
 282             syncingData = true;
 283             try {
 284                 if (hint == null)
 285                     tvAmount.setHint(R.string.zero_amount);
 286                 else
 287                     tvAmount.setHint(hint);
 288             }
 289             finally {
 290                 syncingData = false;
 291             }
 292         };
 293         editableObserver = this::setEditable;
 294         focusedAccountObserver = index -> {
 295             if ((index != null) && index.equals(getAdapterPosition())) {
 296                 switch (item.getType()) {
 297                     case generalData:
 298                         // bad idea - double pop-up, and not really necessary.
 299                         // the user can tap the input to get the calendar
 300                         //if (!tvDate.hasFocus()) tvDate.requestFocus();
 301                         boolean focused = tvDescription.requestFocus();
 302                         tvDescription.dismissDropDown();
 303                         if (focused)
 304                             Misc.showSoftKeyboard(
 305                                     (NewTransactionActivity) tvDescription.getContext());
 306                         break;
 307                     case transactionRow:
 308                         // do nothing if a row element already has the focus
 309                         if (!itemView.hasFocus()) {
 310                             switch (item.getFocusedElement()) {
 311                                 case Amount:
 312                                     tvAmount.requestFocus();
 313                                     break;
 314                                 case Comment:
 315                                     tvComment.requestFocus();
 316                                     break;
 317                                 case Account:
 318                                     focused = tvAccount.requestFocus();
 319                                     tvAccount.dismissDropDown();
 320                                     if (focused)
 321                                         Misc.showSoftKeyboard(
 322                                                 (NewTransactionActivity) tvAccount.getContext());
 323                                     break;
 324                             }
 325                         }
 326
 327                         break;
 328                 }
 329             }
 330         };
 331         accountCountObserver = count -> {
 332             final int adapterPosition = getAdapterPosition();
 333             final int layoutPosition = getLayoutPosition();
 334             Logger.debug("holder",
 335                     String.format(Locale.US, "count=%d; pos=%d, layoutPos=%d [%s]", count,
 336                             adapterPosition, layoutPosition, item.getType()
 337                                                                  .toString()
 338                                                                  .concat(item.getType() ==
 339                                                                          ItemType.transactionRow
 340                                                                          ? String.format(Locale.US,
 341                                                                          "'%s'=%s",
 342                                                                          item.getAccount()
 343                                                                              .getAccountName(),
 344                                                                          item.getAccount()
 345                                                                              .isAmountSet()
 346                                                                          ? String.format(Locale.US,
 347                                                                                  "%.2f",
 348                                                                                  item.getAccount()
 349                                                                                      .getAmount())
 350                                                                          : "unset") : "")));
 351             if (adapterPosition == count)
 352                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_DONE);
 353             else
 354                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 355         };
 356
 357         localeObserver = locale -> {
 358             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 359                 tvAmount.setKeyListener(DigitsKeyListener.getInstance(locale, true, true));
 360         };
 361
 362         currencyObserver = currency -> {
 363             setCurrency(currency);
 364             adapter.checkTransactionSubmittable();
 365         };
 366
 367         currencyGapObserver =
 368                 hasGap -> updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(),
 369                         hasGap);
 370
 371         currencyPositionObserver =
 372                 position -> updateCurrencyPositionAndPadding(position, Data.currencyGap.getValue());
 373
 374         showCurrencyObserver = showCurrency -> {
 375             if (showCurrency) {
 376                 tvCurrency.setVisibility(View.VISIBLE);
 377             }
 378             else {
 379                 tvCurrency.setVisibility(View.GONE);
 380                 item.setCurrency(null);
 381             }
 382         };
 383
 384         commentObserver = comment -> {
 385             final View focusedView = tvComment.findFocus();
 386             tvComment.setTypeface(null,
 387                     (focusedView == tvComment) ? Typeface.NORMAL : Typeface.ITALIC);
 388             tvComment.setVisibility(
 389                     ((focusedView != tvComment) && Misc.isEmptyOrNull(comment)) ? View.INVISIBLE
 390                                                                                 : View.VISIBLE);
 391         };
 392
 393         busyFlagObserver = isBusy -> {p.setVisibility(isBusy ? View.VISIBLE : View.INVISIBLE);};
 394     }
 395     private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
 396         ConstraintLayout.LayoutParams amountLP =
 397                 (ConstraintLayout.LayoutParams) tvAmount.getLayoutParams();
 398         ConstraintLayout.LayoutParams currencyLP =
 399                 (ConstraintLayout.LayoutParams) tvCurrency.getLayoutParams();
 400
 401         if (position == Currency.Position.before) {
 402             currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 403             currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 404
 405             amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 406             amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
 407             amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 408             amountLP.startToEnd = tvCurrency.getId();
 409
 410             tvCurrency.setGravity(Gravity.END);
 411         }
 412         else {
 413             currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 414             currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 415
 416             amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 417             amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
 418             amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 419             amountLP.endToStart = tvCurrency.getId();
 420
 421             tvCurrency.setGravity(Gravity.START);
 422         }
 423
 424         amountLP.resolveLayoutDirection(tvAmount.getLayoutDirection());
 425         currencyLP.resolveLayoutDirection(tvCurrency.getLayoutDirection());
 426
 427         tvAmount.setLayoutParams(amountLP);
 428         tvCurrency.setLayoutParams(currencyLP);
 429
 430         // distance between the amount and the currency symbol
 431         int gapSize = DimensionUtils.sp2px(tvCurrency.getContext(), 5);
 432
 433         if (position == Currency.Position.before) {
 434             tvCurrency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
 435         }
 436         else {
 437             tvCurrency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
 438         }
 439     }
 440     private void setCurrencyString(String currency) {
 441         if ((currency == null) || currency.isEmpty()) {
 442             tvCurrency.setText(R.string.currency_symbol);
 443             tvCurrency.setTextColor(0x7f000000 + (0x00ffffff & Colors.defaultTextColor));
 444         }
 445         else {
 446             tvCurrency.setText(currency);
 447             tvCurrency.setTextColor(Colors.defaultTextColor);
 448         }
 449     }
 450     private void setCurrency(Currency currency) {
 451         setCurrencyString((currency == null) ? null : currency.getName());
 452     }
 453     private void setEditable(Boolean editable) {
 454         tvDate.setEnabled(editable);
 455         tvDescription.setEnabled(editable);
 456         tvAccount.setEnabled(editable);
 457         tvAmount.setEnabled(editable);
 458     }
 459     private void setCommentVisible(@NotNull Boolean visible) {
 460         if (visible) {
 461             // showing; show the comment view and align the comment button to it
 462             tvComment.setVisibility(View.VISIBLE);
 463             tvComment.requestFocus();
 464             ConstraintLayout.LayoutParams lp =
 465                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 466             lp.bottomToBottom = R.id.comment;
 467
 468             commentButton.setLayoutParams(lp);
 469         }
 470         else {
 471             // hiding; hide the comment view and align the comment bottom to the amount
 472             tvComment.setVisibility(View.GONE);
 473             ConstraintLayout.LayoutParams lp =
 474                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 475             lp.bottomToBottom = R.id.amount_layout;   // R.id.parent doesn't work here
 476
 477             commentButton.setLayoutParams(lp);
 478         }
 479     }
 480     private void beginUpdates() {
 481         if (inUpdate)
 482             throw new RuntimeException("Already in update mode");
 483         inUpdate = true;
 484     }
 485     private void endUpdates() {
 486         if (!inUpdate)
 487             throw new RuntimeException("Not in update mode");
 488         inUpdate = false;
 489     }
 490     /**
 491      * syncData()
 492      * <p>
 493      * Stores the data from the UI elements into the model item
 494      * Returns true if there were changes made that suggest transaction has to be
 495      * checked for being submittable
 496      */
 497     private boolean syncData() {
 498         if (item == null)
 499             return false;
 500
 501         if (syncingData) {
 502             Logger.debug("new-trans", "skipping syncData() loop");
 503             return false;
 504         }
 505
 506         syncingData = true;
 507
 508         try {
 509             switch (item.getType()) {
 510                 case generalData:
 511                     item.setDate(String.valueOf(tvDate.getText()));
 512                     item.setDescription(String.valueOf(tvDescription.getText()));
 513                     break;
 514                 case transactionRow:
 515                     final LedgerTransactionAccount account = item.getAccount();
 516                     account.setAccountName(String.valueOf(tvAccount.getText()));
 517
 518                     item.setComment(String.valueOf(tvComment.getText()));
 519
 520                     String amount = String.valueOf(tvAmount.getText());
 521                     amount = amount.trim();
 522
 523                     if (amount.isEmpty()) {
 524                         account.resetAmount();
 525 //                        account.setCurrency(null);
 526                     }
 527                     else {
 528                         try {
 529                             amount = amount.replace(decimalSeparator, decimalDot);
 530                             account.setAmount(Float.parseFloat(amount));
 531                         }
 532                         catch (NumberFormatException e) {
 533                             Logger.debug("new-trans", String.format(
 534                                     "assuming amount is not set due to number format exception. " +
 535                                     "input was '%s'", amount));
 536                             account.resetAmount();
 537                         }
 538                         final String curr = String.valueOf(tvCurrency.getText());
 539                         if (curr.equals(tvCurrency.getContext()
 540                                                   .getResources()
 541                                                   .getString(R.string.currency_symbol)) ||
 542                             curr.isEmpty())
 543                             account.setCurrency(null);
 544                         else
 545                             account.setCurrency(curr);
 546                     }
 547
 548                     break;
 549                 case bottomFiller:
 550                     throw new RuntimeException("Should not happen");
 551             }
 552
 553             return true;
 554         }
 555         finally {
 556             syncingData = false;
 557         }
 558     }
 559     private void pickTransactionDate() {
 560         DatePickerFragment picker = new DatePickerFragment();
 561         picker.setFutureDates(mProfile.getFutureDates());
 562         picker.setOnDatePickedListener(this);
 563         picker.show(((NewTransactionActivity) tvDate.getContext()).getSupportFragmentManager(),
 564                 "datePicker");
 565     }
 566     /**
 567      * setData
 568      *
 569      * @param item updates the UI elements with the data from the model item
 570      */
 571     @SuppressLint("DefaultLocale")
 572     public void setData(NewTransactionModel.Item item) {
 573         beginUpdates();
 574         try {
 575             if (this.item != null && !this.item.equals(item)) {
 576                 this.item.stopObservingDate(dateObserver);
 577                 this.item.stopObservingDescription(descriptionObserver);
 578                 this.item.stopObservingAmountHint(hintObserver);
 579                 this.item.stopObservingEditableFlag(editableObserver);
 580                 this.item.getModel()
 581                          .stopObservingFocusedItem(focusedAccountObserver);
 582                 this.item.getModel()
 583                          .stopObservingAccountCount(accountCountObserver);
 584                 Data.currencySymbolPosition.removeObserver(currencyPositionObserver);
 585                 Data.currencyGap.removeObserver(currencyGapObserver);
 586                 Data.locale.removeObserver(localeObserver);
 587                 this.item.stopObservingCurrency(currencyObserver);
 588                 this.item.getModel().showCurrency.removeObserver(showCurrencyObserver);
 589                 this.item.stopObservingComment(commentObserver);
 590                 this.item.getModel().stopObservingBusyFlag(busyFlagObserver);
 591
 592                 this.item = null;
 593             }
 594
 595             switch (item.getType()) {
 596                 case generalData:
 597                     tvDate.setText(item.getFormattedDate());
 598                     tvDescription.setText(item.getDescription());
 599                     lHead.setVisibility(View.VISIBLE);
 600                     lAccount.setVisibility(View.GONE);
 601                     lPadding.setVisibility(View.GONE);
 602                     setEditable(true);
 603                     break;
 604                 case transactionRow:
 605                     LedgerTransactionAccount acc = item.getAccount();
 606                     tvAccount.setText(acc.getAccountName());
 607                     tvComment.setText(acc.getComment());
 608                     if (acc.isAmountSet()) {
 609                         tvAmount.setText(String.format("%1.2f", acc.getAmount()));
 610                     }
 611                     else {
 612                         tvAmount.setText("");
 613 //                        tvAmount.setHint(R.string.zero_amount);
 614                     }
 615                     tvAmount.setHint(item.getAmountHint());
 616                     setCurrencyString(acc.getCurrency());
 617                     lHead.setVisibility(View.GONE);
 618                     lAccount.setVisibility(View.VISIBLE);
 619                     lPadding.setVisibility(View.GONE);
 620                     setEditable(true);
 621                     break;
 622                 case bottomFiller:
 623                     lHead.setVisibility(View.GONE);
 624                     lAccount.setVisibility(View.GONE);
 625                     lPadding.setVisibility(View.VISIBLE);
 626                     setEditable(false);
 627                     break;
 628             }
 629             if (this.item == null) { // was null or has changed
 630                 this.item = item;
 631                 final NewTransactionActivity activity =
 632                         (NewTransactionActivity) tvDescription.getContext();
 633
 634                 if (!item.isOfType(ItemType.bottomFiller)) {
 635                     item.observeEditableFlag(activity, editableObserver);
 636                     item.getModel()
 637                         .observeFocusedItem(activity, focusedAccountObserver);
 638                 }
 639                 switch (item.getType()) {
 640                     case generalData:
 641                         item.observeDate(activity, dateObserver);
 642                         item.observeDescription(activity, descriptionObserver);
 643                         item.getModel().observeBusyFlag(activity, busyFlagObserver);
 644                         break;
 645                     case transactionRow:
 646                         item.observeAmountHint(activity, hintObserver);
 647                         Data.currencySymbolPosition.observe(activity, currencyPositionObserver);
 648                         Data.currencyGap.observe(activity, currencyGapObserver);
 649                         Data.locale.observe(activity, localeObserver);
 650                         item.observeCurrency(activity, currencyObserver);
 651                         item.getModel().showCurrency.observe(activity, showCurrencyObserver);
 652                         item.observeComment(activity, commentObserver);
 653                         item.getModel()
 654                             .observeAccountCount(activity, accountCountObserver);
 655                         break;
 656                 }
 657             }
 658         }
 659         finally {
 660             endUpdates();
 661         }
 662     }
 663     @Override
 664     public void onDatePicked(int year, int month, int day) {
 665         final Calendar c = GregorianCalendar.getInstance();
 666         c.set(year, month, day);
 667         item.setDate(c.getTime());
 668         boolean focused = tvDescription.requestFocus();
 669         if (focused)
 670             Misc.showSoftKeyboard((NewTransactionActivity) tvAccount.getContext());
 671
 672     }
 673     @Override
 674     public void descriptionSelected(String description) {
 675         tvAccount.setText(description);
 676         tvAmount.requestFocus(View.FOCUS_FORWARD);
 677     }
 678 }