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.setVisibility(View.VISIBLE);
 316                                     tvComment.requestFocus();
 317                                     break;
 318                                 case Account:
 319                                     focused = tvAccount.requestFocus();
 320                                     tvAccount.dismissDropDown();
 321                                     if (focused)
 322                                         Misc.showSoftKeyboard(
 323                                                 (NewTransactionActivity) tvAccount.getContext());
 324                                     break;
 325                             }
 326                         }
 327
 328                         break;
 329                 }
 330             }
 331         };
 332         accountCountObserver = count -> {
 333             final int adapterPosition = getAdapterPosition();
 334             final int layoutPosition = getLayoutPosition();
 335             Logger.debug("holder",
 336                     String.format(Locale.US, "count=%d; pos=%d, layoutPos=%d [%s]", count,
 337                             adapterPosition, layoutPosition, item.getType()
 338                                                                  .toString()
 339                                                                  .concat(item.getType() ==
 340                                                                          ItemType.transactionRow
 341                                                                          ? String.format(Locale.US,
 342                                                                          "'%s'=%s",
 343                                                                          item.getAccount()
 344                                                                              .getAccountName(),
 345                                                                          item.getAccount()
 346                                                                              .isAmountSet()
 347                                                                          ? String.format(Locale.US,
 348                                                                                  "%.2f",
 349                                                                                  item.getAccount()
 350                                                                                      .getAmount())
 351                                                                          : "unset") : "")));
 352             if (adapterPosition == count)
 353                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_DONE);
 354             else
 355                 tvAmount.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 356         };
 357
 358         localeObserver = locale -> {
 359             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
 360                 tvAmount.setKeyListener(DigitsKeyListener.getInstance(locale, true, true));
 361         };
 362
 363         currencyObserver = currency -> {
 364             setCurrency(currency);
 365             adapter.checkTransactionSubmittable();
 366         };
 367
 368         currencyGapObserver =
 369                 hasGap -> updateCurrencyPositionAndPadding(Data.currencySymbolPosition.getValue(),
 370                         hasGap);
 371
 372         currencyPositionObserver =
 373                 position -> updateCurrencyPositionAndPadding(position, Data.currencyGap.getValue());
 374
 375         showCurrencyObserver = showCurrency -> {
 376             if (showCurrency) {
 377                 tvCurrency.setVisibility(View.VISIBLE);
 378             }
 379             else {
 380                 tvCurrency.setVisibility(View.GONE);
 381                 item.setCurrency(null);
 382             }
 383         };
 384
 385         commentObserver = comment -> {
 386             final View focusedView = tvComment.findFocus();
 387             tvComment.setTypeface(null,
 388                     (focusedView == tvComment) ? Typeface.NORMAL : Typeface.ITALIC);
 389             tvComment.setVisibility(
 390                     ((focusedView != tvComment) && Misc.isEmptyOrNull(comment)) ? View.INVISIBLE
 391                                                                                 : View.VISIBLE);
 392         };
 393
 394         busyFlagObserver = isBusy -> {p.setVisibility(isBusy ? View.VISIBLE : View.INVISIBLE);};
 395     }
 396     private void updateCurrencyPositionAndPadding(Currency.Position position, boolean hasGap) {
 397         ConstraintLayout.LayoutParams amountLP =
 398                 (ConstraintLayout.LayoutParams) tvAmount.getLayoutParams();
 399         ConstraintLayout.LayoutParams currencyLP =
 400                 (ConstraintLayout.LayoutParams) tvCurrency.getLayoutParams();
 401
 402         if (position == Currency.Position.before) {
 403             currencyLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 404             currencyLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 405
 406             amountLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 407             amountLP.endToStart = ConstraintLayout.LayoutParams.UNSET;
 408             amountLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 409             amountLP.startToEnd = tvCurrency.getId();
 410
 411             tvCurrency.setGravity(Gravity.END);
 412         }
 413         else {
 414             currencyLP.startToStart = ConstraintLayout.LayoutParams.UNSET;
 415             currencyLP.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
 416
 417             amountLP.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
 418             amountLP.startToEnd = ConstraintLayout.LayoutParams.UNSET;
 419             amountLP.endToEnd = ConstraintLayout.LayoutParams.UNSET;
 420             amountLP.endToStart = tvCurrency.getId();
 421
 422             tvCurrency.setGravity(Gravity.START);
 423         }
 424
 425         amountLP.resolveLayoutDirection(tvAmount.getLayoutDirection());
 426         currencyLP.resolveLayoutDirection(tvCurrency.getLayoutDirection());
 427
 428         tvAmount.setLayoutParams(amountLP);
 429         tvCurrency.setLayoutParams(currencyLP);
 430
 431         // distance between the amount and the currency symbol
 432         int gapSize = DimensionUtils.sp2px(tvCurrency.getContext(), 5);
 433
 434         if (position == Currency.Position.before) {
 435             tvCurrency.setPaddingRelative(0, 0, hasGap ? gapSize : 0, 0);
 436         }
 437         else {
 438             tvCurrency.setPaddingRelative(hasGap ? gapSize : 0, 0, 0, 0);
 439         }
 440     }
 441     private void setCurrencyString(String currency) {
 442         if ((currency == null) || currency.isEmpty()) {
 443             tvCurrency.setText(R.string.currency_symbol);
 444             tvCurrency.setTextColor(0x7f000000 + (0x00ffffff & Colors.defaultTextColor));
 445         }
 446         else {
 447             tvCurrency.setText(currency);
 448             tvCurrency.setTextColor(Colors.defaultTextColor);
 449         }
 450     }
 451     private void setCurrency(Currency currency) {
 452         setCurrencyString((currency == null) ? null : currency.getName());
 453     }
 454     private void setEditable(Boolean editable) {
 455         tvDate.setEnabled(editable);
 456         tvDescription.setEnabled(editable);
 457         tvAccount.setEnabled(editable);
 458         tvAmount.setEnabled(editable);
 459     }
 460     private void setCommentVisible(@NotNull Boolean visible) {
 461         if (visible) {
 462             // showing; show the comment view and align the comment button to it
 463             tvComment.setVisibility(View.VISIBLE);
 464             tvComment.requestFocus();
 465             ConstraintLayout.LayoutParams lp =
 466                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 467             lp.bottomToBottom = R.id.comment;
 468
 469             commentButton.setLayoutParams(lp);
 470         }
 471         else {
 472             // hiding; hide the comment view and align the comment bottom to the amount
 473             tvComment.setVisibility(View.GONE);
 474             ConstraintLayout.LayoutParams lp =
 475                     (ConstraintLayout.LayoutParams) commentButton.getLayoutParams();
 476             lp.bottomToBottom = R.id.amount_layout;   // R.id.parent doesn't work here
 477
 478             commentButton.setLayoutParams(lp);
 479         }
 480     }
 481     private void beginUpdates() {
 482         if (inUpdate)
 483             throw new RuntimeException("Already in update mode");
 484         inUpdate = true;
 485     }
 486     private void endUpdates() {
 487         if (!inUpdate)
 488             throw new RuntimeException("Not in update mode");
 489         inUpdate = false;
 490     }
 491     /**
 492      * syncData()
 493      * <p>
 494      * Stores the data from the UI elements into the model item
 495      * Returns true if there were changes made that suggest transaction has to be
 496      * checked for being submittable
 497      */
 498     private boolean syncData() {
 499         if (item == null)
 500             return false;
 501
 502         if (syncingData) {
 503             Logger.debug("new-trans", "skipping syncData() loop");
 504             return false;
 505         }
 506
 507         syncingData = true;
 508
 509         try {
 510             switch (item.getType()) {
 511                 case generalData:
 512                     item.setDate(String.valueOf(tvDate.getText()));
 513                     item.setDescription(String.valueOf(tvDescription.getText()));
 514                     break;
 515                 case transactionRow:
 516                     final LedgerTransactionAccount account = item.getAccount();
 517                     account.setAccountName(String.valueOf(tvAccount.getText()));
 518
 519                     item.setComment(String.valueOf(tvComment.getText()));
 520
 521                     String amount = String.valueOf(tvAmount.getText());
 522                     amount = amount.trim();
 523
 524                     if (amount.isEmpty()) {
 525                         account.resetAmount();
 526 //                        account.setCurrency(null);
 527                     }
 528                     else {
 529                         try {
 530                             amount = amount.replace(decimalSeparator, decimalDot);
 531                             account.setAmount(Float.parseFloat(amount));
 532                         }
 533                         catch (NumberFormatException e) {
 534                             Logger.debug("new-trans", String.format(
 535                                     "assuming amount is not set due to number format exception. " +
 536                                     "input was '%s'", amount));
 537                             account.resetAmount();
 538                         }
 539                         final String curr = String.valueOf(tvCurrency.getText());
 540                         if (curr.equals(tvCurrency.getContext()
 541                                                   .getResources()
 542                                                   .getString(R.string.currency_symbol)) ||
 543                             curr.isEmpty())
 544                             account.setCurrency(null);
 545                         else
 546                             account.setCurrency(curr);
 547                     }
 548
 549                     break;
 550                 case bottomFiller:
 551                     throw new RuntimeException("Should not happen");
 552             }
 553
 554             return true;
 555         }
 556         finally {
 557             syncingData = false;
 558         }
 559     }
 560     private void pickTransactionDate() {
 561         DatePickerFragment picker = new DatePickerFragment();
 562         picker.setFutureDates(mProfile.getFutureDates());
 563         picker.setOnDatePickedListener(this);
 564         picker.show(((NewTransactionActivity) tvDate.getContext()).getSupportFragmentManager(),
 565                 "datePicker");
 566     }
 567     /**
 568      * setData
 569      *
 570      * @param item updates the UI elements with the data from the model item
 571      */
 572     @SuppressLint("DefaultLocale")
 573     public void setData(NewTransactionModel.Item item) {
 574         beginUpdates();
 575         try {
 576             if (this.item != null && !this.item.equals(item)) {
 577                 this.item.stopObservingDate(dateObserver);
 578                 this.item.stopObservingDescription(descriptionObserver);
 579                 this.item.stopObservingAmountHint(hintObserver);
 580                 this.item.stopObservingEditableFlag(editableObserver);
 581                 this.item.getModel()
 582                          .stopObservingFocusedItem(focusedAccountObserver);
 583                 this.item.getModel()
 584                          .stopObservingAccountCount(accountCountObserver);
 585                 Data.currencySymbolPosition.removeObserver(currencyPositionObserver);
 586                 Data.currencyGap.removeObserver(currencyGapObserver);
 587                 Data.locale.removeObserver(localeObserver);
 588                 this.item.stopObservingCurrency(currencyObserver);
 589                 this.item.getModel().showCurrency.removeObserver(showCurrencyObserver);
 590                 this.item.stopObservingComment(commentObserver);
 591                 this.item.getModel().stopObservingBusyFlag(busyFlagObserver);
 592
 593                 this.item = null;
 594             }
 595
 596             switch (item.getType()) {
 597                 case generalData:
 598                     tvDate.setText(item.getFormattedDate());
 599                     tvDescription.setText(item.getDescription());
 600                     lHead.setVisibility(View.VISIBLE);
 601                     lAccount.setVisibility(View.GONE);
 602                     lPadding.setVisibility(View.GONE);
 603                     setEditable(true);
 604                     break;
 605                 case transactionRow:
 606                     LedgerTransactionAccount acc = item.getAccount();
 607                     tvAccount.setText(acc.getAccountName());
 608                     tvComment.setText(acc.getComment());
 609                     if (acc.isAmountSet()) {
 610                         tvAmount.setText(String.format("%1.2f", acc.getAmount()));
 611                     }
 612                     else {
 613                         tvAmount.setText("");
 614 //                        tvAmount.setHint(R.string.zero_amount);
 615                     }
 616                     tvAmount.setHint(item.getAmountHint());
 617                     setCurrencyString(acc.getCurrency());
 618                     lHead.setVisibility(View.GONE);
 619                     lAccount.setVisibility(View.VISIBLE);
 620                     lPadding.setVisibility(View.GONE);
 621                     setEditable(true);
 622                     break;
 623                 case bottomFiller:
 624                     lHead.setVisibility(View.GONE);
 625                     lAccount.setVisibility(View.GONE);
 626                     lPadding.setVisibility(View.VISIBLE);
 627                     setEditable(false);
 628                     break;
 629             }
 630             if (this.item == null) { // was null or has changed
 631                 this.item = item;
 632                 final NewTransactionActivity activity =
 633                         (NewTransactionActivity) tvDescription.getContext();
 634
 635                 if (!item.isOfType(ItemType.bottomFiller)) {
 636                     item.observeEditableFlag(activity, editableObserver);
 637                     item.getModel()
 638                         .observeFocusedItem(activity, focusedAccountObserver);
 639                 }
 640                 switch (item.getType()) {
 641                     case generalData:
 642                         item.observeDate(activity, dateObserver);
 643                         item.observeDescription(activity, descriptionObserver);
 644                         item.getModel().observeBusyFlag(activity, busyFlagObserver);
 645                         break;
 646                     case transactionRow:
 647                         item.observeAmountHint(activity, hintObserver);
 648                         Data.currencySymbolPosition.observe(activity, currencyPositionObserver);
 649                         Data.currencyGap.observe(activity, currencyGapObserver);
 650                         Data.locale.observe(activity, localeObserver);
 651                         item.observeCurrency(activity, currencyObserver);
 652                         item.getModel().showCurrency.observe(activity, showCurrencyObserver);
 653                         item.observeComment(activity, commentObserver);
 654                         item.getModel()
 655                             .observeAccountCount(activity, accountCountObserver);
 656                         break;
 657                 }
 658             }
 659         }
 660         finally {
 661             endUpdates();
 662         }
 663     }
 664     @Override
 665     public void onDatePicked(int year, int month, int day) {
 666         final Calendar c = GregorianCalendar.getInstance();
 667         c.set(year, month, day);
 668         item.setDate(c.getTime());
 669         boolean focused = tvDescription.requestFocus();
 670         if (focused)
 671             Misc.showSoftKeyboard((NewTransactionActivity) tvAccount.getContext());
 672
 673     }
 674     @Override
 675     public void descriptionSelected(String description) {
 676         tvAccount.setText(description);
 677         tvAmount.requestFocus(View.FOCUS_FORWARD);
 678     }
 679 }