app/src/main/java/net/ktnx/mobileledger/ui/profiles/ProfileDetailFragment.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.profiles;
  19
  20 import android.app.Activity;
  21 import android.app.AlertDialog;
  22 import android.graphics.Typeface;
  23 import android.os.Bundle;
  24 import android.text.Editable;
  25 import android.text.TextWatcher;
  26 import android.view.Menu;
  27 import android.view.MenuInflater;
  28 import android.view.MenuItem;
  29 import android.view.View;
  30 import android.widget.LinearLayout;
  31 import android.widget.PopupMenu;
  32 import android.widget.Switch;
  33 import android.widget.TextView;
  34
  35 import androidx.annotation.NonNull;
  36 import androidx.annotation.Nullable;
  37 import androidx.appcompat.app.AppCompatActivity;
  38 import androidx.fragment.app.Fragment;
  39 import androidx.fragment.app.FragmentActivity;
  40 import androidx.lifecycle.LifecycleOwner;
  41 import androidx.lifecycle.ViewModelProvider;
  42
  43 import com.google.android.material.appbar.CollapsingToolbarLayout;
  44 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  45 import com.google.android.material.textfield.TextInputLayout;
  46
  47 import net.ktnx.mobileledger.BuildConfig;
  48 import net.ktnx.mobileledger.R;
  49 import net.ktnx.mobileledger.async.SendTransactionTask;
  50 import net.ktnx.mobileledger.model.Data;
  51 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  52 import net.ktnx.mobileledger.ui.CurrencySelectorFragment;
  53 import net.ktnx.mobileledger.ui.HueRingDialog;
  54 import net.ktnx.mobileledger.ui.activity.ProfileDetailActivity;
  55 import net.ktnx.mobileledger.utils.Colors;
  56 import net.ktnx.mobileledger.utils.Misc;
  57
  58 import org.jetbrains.annotations.NonNls;
  59 import org.jetbrains.annotations.NotNull;
  60
  61 import java.net.MalformedURLException;
  62 import java.net.URL;
  63 import java.util.ArrayList;
  64
  65 import static net.ktnx.mobileledger.utils.Logger.debug;
  66
  67 /**
  68  * A fragment representing a single Profile detail screen.
  69  * a {@link ProfileDetailActivity}
  70  * on handsets.
  71  */
  72 public class ProfileDetailFragment extends Fragment {
  73     /**
  74      * The fragment argument representing the item ID that this fragment
  75      * represents.
  76      */
  77     public static final String ARG_ITEM_ID = "item_id";
  78     public static final String ARG_HUE = "hue";
  79     @NonNls
  80
  81     /**
  82      * The content this fragment is presenting.
  83      */ private MobileLedgerProfile mProfile;
  84     private TextView url;
  85     private TextView defaultCommodity;
  86     private View defaultCommodityLayout;
  87     private boolean defaultCommoditySet;
  88     private TextInputLayout urlLayout;
  89     private LinearLayout authParams;
  90     private Switch useAuthentication;
  91     private TextView userName;
  92     private TextInputLayout userNameLayout;
  93     private TextView password;
  94     private TextInputLayout passwordLayout;
  95     private TextView profileName;
  96     private TextInputLayout profileNameLayout;
  97     private TextView preferredAccountsFilter;
  98     private TextInputLayout preferredAccountsFilterLayout;
  99     private View huePickerView;
 100     private View insecureWarningText;
 101     private TextView futureDatesText;
 102     private View futureDatesLayout;
 103     private TextView apiVersionText;
 104     private boolean syncingModelFromUI = false;
 105     /**
 106      * Mandatory empty constructor for the fragment manager to instantiate the
 107      * fragment (e.g. upon screen orientation changes).
 108      */
 109     public ProfileDetailFragment() {
 110         super(R.layout.profile_detail);
 111     }
 112     @Override
 113     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 114         debug("profiles", "[fragment] Creating profile details options menu");
 115         super.onCreateOptionsMenu(menu, inflater);
 116         inflater.inflate(R.menu.profile_details, menu);
 117         final MenuItem menuDeleteProfile = menu.findItem(R.id.menuDelete);
 118         menuDeleteProfile.setOnMenuItemClickListener(item -> {
 119             AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
 120             builder.setTitle(mProfile.getName());
 121             builder.setMessage(R.string.remove_profile_dialog_message);
 122             builder.setPositiveButton(R.string.Remove, (dialog, which) -> {
 123                 debug("profiles",
 124                         String.format("[fragment] removing profile %s", mProfile.getUuid()));
 125                 mProfile.removeFromDB();
 126                 ArrayList<MobileLedgerProfile> oldList = Data.profiles.getValue();
 127                 if (oldList == null)
 128                     throw new AssertionError();
 129                 ArrayList<MobileLedgerProfile> newList = new ArrayList<>(oldList);
 130                 newList.remove(mProfile);
 131                 Data.profiles.setValue(newList);
 132                 if (mProfile.equals(Data.profile.getValue())) {
 133                     debug("profiles", "[fragment] setting current profile to 0");
 134                     Data.setCurrentProfile(newList.get(0));
 135                 }
 136
 137                 final FragmentActivity activity = getActivity();
 138                 if (activity != null)
 139                     activity.finish();
 140             });
 141             builder.show();
 142             return false;
 143         });
 144         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 145         menuDeleteProfile.setVisible(
 146                 (mProfile != null) && (profiles != null) && (profiles.size() > 1));
 147
 148         if (BuildConfig.DEBUG) {
 149             final MenuItem menuWipeProfileData = menu.findItem(R.id.menuWipeData);
 150             menuWipeProfileData.setOnMenuItemClickListener(ignored -> onWipeDataMenuClicked());
 151             menuWipeProfileData.setVisible(mProfile != null);
 152         }
 153     }
 154     private boolean onWipeDataMenuClicked() {
 155         // this is a development option, so no confirmation
 156         mProfile.wipeAllData();
 157         if (mProfile.equals(Data.profile.getValue()))
 158             triggerProfileChange();
 159         return true;
 160     }
 161     private void triggerProfileChange() {
 162         int index = Data.getProfileIndex(mProfile);
 163         MobileLedgerProfile newProfile = new MobileLedgerProfile(mProfile);
 164         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 165         if (profiles == null)
 166             throw new AssertionError();
 167         profiles.set(index, newProfile);
 168
 169         ProfilesRecyclerViewAdapter viewAdapter = ProfilesRecyclerViewAdapter.getInstance();
 170         if (viewAdapter != null)
 171             viewAdapter.notifyItemChanged(index);
 172
 173         if (mProfile.equals(Data.profile.getValue()))
 174             Data.profile.setValue(newProfile);
 175     }
 176     private void hookTextChangeSyncRoutine(TextView view, TextChangeSyncProc syncRoutine) {
 177         view.addTextChangedListener(new TextWatcher() {
 178             @Override
 179             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 180             @Override
 181             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 182             @Override
 183             public void afterTextChanged(Editable s) { syncRoutine.onTextChanged(s.toString());}
 184         });
 185     }
 186     @Override
 187     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 188         super.onActivityCreated(savedInstanceState);
 189         Activity context = getActivity();
 190         if (context == null)
 191             return;
 192
 193         if ((getArguments() != null) && getArguments().containsKey(ARG_ITEM_ID)) {
 194             int index = getArguments().getInt(ARG_ITEM_ID, -1);
 195             ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 196             if ((profiles != null) && (index != -1) && (index < profiles.size()))
 197                 mProfile = profiles.get(index);
 198
 199             Activity activity = this.getActivity();
 200             if (activity == null)
 201                 throw new AssertionError();
 202             CollapsingToolbarLayout appBarLayout = activity.findViewById(R.id.toolbar_layout);
 203             if (appBarLayout != null) {
 204                 if (mProfile != null)
 205                     appBarLayout.setTitle(mProfile.getName());
 206                 else
 207                     appBarLayout.setTitle(getResources().getString(R.string.new_profile_title));
 208             }
 209         }
 210
 211         final LifecycleOwner viewLifecycleOwner = getViewLifecycleOwner();
 212         final ProfileDetailModel model = getModel();
 213
 214         model.observeDefaultCommodity(viewLifecycleOwner, c -> {
 215             if (c != null)
 216                 setDefaultCommodity(c.getName());
 217             else
 218                 resetDefaultCommodity();
 219         });
 220
 221         FloatingActionButton fab = context.findViewById(R.id.fab);
 222         fab.setOnClickListener(v -> onSaveFabClicked());
 223
 224         profileName = context.findViewById(R.id.profile_name);
 225         hookTextChangeSyncRoutine(profileName, model::setProfileName);
 226         model.observeProfileName(viewLifecycleOwner, pn -> {
 227             if (!Misc.equalStrings(pn, profileName.getText()))
 228                 profileName.setText(pn);
 229         });
 230
 231         profileNameLayout = context.findViewById(R.id.profile_name_layout);
 232
 233         url = context.findViewById(R.id.url);
 234         hookTextChangeSyncRoutine(url, model::setUrl);
 235         model.observeUrl(viewLifecycleOwner, u -> {
 236             if (!Misc.equalStrings(u, url.getText()))
 237                 url.setText(u);
 238         });
 239
 240         urlLayout = context.findViewById(R.id.url_layout);
 241
 242         defaultCommodityLayout = context.findViewById(R.id.default_commodity_layout);
 243         defaultCommodityLayout.setOnClickListener(v -> {
 244             CurrencySelectorFragment cpf = CurrencySelectorFragment.newInstance(
 245                     CurrencySelectorFragment.DEFAULT_COLUMN_COUNT, false);
 246             cpf.setOnCurrencySelectedListener(model::setDefaultCommodity);
 247             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 248             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 249         });
 250
 251         Switch showCommodityByDefault = context.findViewById(R.id.profile_show_commodity);
 252         showCommodityByDefault.setOnCheckedChangeListener(
 253                 (buttonView, isChecked) -> model.setShowCommodityByDefault(isChecked));
 254         model.observeShowCommodityByDefault(viewLifecycleOwner, showCommodityByDefault::setChecked);
 255
 256         View postingSubItems = context.findViewById(R.id.posting_sub_items);
 257
 258         Switch postingPermitted = context.findViewById(R.id.profile_permit_posting);
 259         model.observePostingPermitted(viewLifecycleOwner, isChecked -> {
 260             postingPermitted.setChecked(isChecked);
 261             postingSubItems.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 262         });
 263         postingPermitted.setOnCheckedChangeListener(
 264                 ((buttonView, isChecked) -> model.setPostingPermitted(isChecked)));
 265
 266         Switch showCommentsByDefault = context.findViewById(R.id.profile_show_comments);
 267         model.observeShowCommentsByDefault(viewLifecycleOwner, isChecked -> {
 268             showCommentsByDefault.setChecked(isChecked);
 269         });
 270         showCommentsByDefault.setOnCheckedChangeListener(
 271                 ((buttonView, isChecked) -> model.setShowCommentsByDefault(isChecked)));
 272
 273         defaultCommodity = context.findViewById(R.id.default_commodity_text);
 274
 275         futureDatesLayout = context.findViewById(R.id.future_dates_layout);
 276         futureDatesText = context.findViewById(R.id.future_dates_text);
 277         context.findViewById(R.id.future_dates_layout)
 278                .setOnClickListener(v -> {
 279                    MenuInflater mi = new MenuInflater(context);
 280                    PopupMenu menu = new PopupMenu(context, v);
 281                    menu.inflate(R.menu.future_dates);
 282                    menu.setOnMenuItemClickListener(item -> {
 283                        model.setFutureDates(futureDatesSettingFromMenuItemId(item.getItemId()));
 284                        return true;
 285                    });
 286                    menu.show();
 287                });
 288         model.observeFutureDates(viewLifecycleOwner,
 289                 v -> futureDatesText.setText(v.getText(getResources())));
 290
 291         apiVersionText = context.findViewById(R.id.api_version_text);
 292         model.observeApiVersion(viewLifecycleOwner, apiVer -> {
 293             apiVersionText.setText(apiVer.getDescription(getResources()));
 294         });
 295         context.findViewById(R.id.api_version_layout)
 296                .setOnClickListener(v -> {
 297                    MenuInflater mi = new MenuInflater(context);
 298                    PopupMenu menu = new PopupMenu(context, v);
 299                    menu.inflate(R.menu.api_version);
 300                    menu.setOnMenuItemClickListener(item -> {
 301                        SendTransactionTask.API apiVer;
 302                        switch (item.getItemId()) {
 303                            case R.id.api_version_menu_html:
 304                                apiVer = SendTransactionTask.API.html;
 305                                break;
 306                            case R.id.api_version_menu_post_1_14:
 307                                apiVer = SendTransactionTask.API.post_1_14;
 308                                break;
 309                            case R.id.api_version_menu_pre_1_15:
 310                                apiVer = SendTransactionTask.API.pre_1_15;
 311                                break;
 312                            case R.id.api_version_menu_auto:
 313                            default:
 314                                apiVer = SendTransactionTask.API.auto;
 315                        }
 316                        model.setApiVersion(apiVer);
 317                        apiVersionText.setText(apiVer.getDescription(getResources()));
 318                        return true;
 319                    });
 320                    menu.show();
 321                });
 322         authParams = context.findViewById(R.id.auth_params);
 323
 324         useAuthentication = context.findViewById(R.id.enable_http_auth);
 325         useAuthentication.setOnCheckedChangeListener((buttonView, isChecked) -> {
 326             model.setUseAuthentication(isChecked);
 327             if (isChecked)
 328                 userName.requestFocus();
 329         });
 330         model.observeUseAuthentication(viewLifecycleOwner, isChecked -> {
 331             useAuthentication.setChecked(isChecked);
 332             authParams.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 333             checkInsecureSchemeWithAuth();
 334         });
 335
 336         userName = context.findViewById(R.id.auth_user_name);
 337         model.observeUserName(viewLifecycleOwner, text -> {
 338             if (!Misc.equalStrings(text, userName.getText()))
 339                 userName.setText(text);
 340         });
 341         hookTextChangeSyncRoutine(userName, model::setAuthUserName);
 342         userNameLayout = context.findViewById(R.id.auth_user_name_layout);
 343
 344         password = context.findViewById(R.id.password);
 345         model.observePassword(viewLifecycleOwner, text -> {
 346             if (!Misc.equalStrings(text, password.getText()))
 347                 password.setText(text);
 348         });
 349         hookTextChangeSyncRoutine(password, model::setAuthPassword);
 350         passwordLayout = context.findViewById(R.id.password_layout);
 351
 352         huePickerView = context.findViewById(R.id.btn_pick_ring_color);
 353         model.observeThemeId(viewLifecycleOwner, themeId -> {
 354             final int hue = (themeId == -1) ? Colors.DEFAULT_HUE_DEG : themeId;
 355             final int profileColor = Colors.getPrimaryColorForHue(hue);
 356             huePickerView.setBackgroundColor(profileColor);
 357             huePickerView.setTag(hue);
 358         });
 359
 360         preferredAccountsFilter = context.findViewById(R.id.preferred_accounts_filter_filter);
 361         model.observePreferredAccountsFilter(viewLifecycleOwner, text -> {
 362             if (!Misc.equalStrings(text, preferredAccountsFilter.getText()))
 363                 preferredAccountsFilter.setText(text);
 364         });
 365         hookTextChangeSyncRoutine(preferredAccountsFilter, model::setPreferredAccountsFilter);
 366         preferredAccountsFilterLayout =
 367                 context.findViewById(R.id.preferred_accounts_accounts_filter_layout);
 368
 369         insecureWarningText = context.findViewById(R.id.insecure_scheme_text);
 370
 371         hookClearErrorOnFocusListener(profileName, profileNameLayout);
 372         hookClearErrorOnFocusListener(url, urlLayout);
 373         hookClearErrorOnFocusListener(userName, userNameLayout);
 374         hookClearErrorOnFocusListener(password, passwordLayout);
 375
 376         if (savedInstanceState == null) {
 377             model.setValuesFromProfile(mProfile, getArguments().getInt(ARG_HUE, -1));
 378         }
 379         checkInsecureSchemeWithAuth();
 380
 381         url.addTextChangedListener(new TextWatcher() {
 382             @Override
 383             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 384             @Override
 385             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 386             @Override
 387             public void afterTextChanged(Editable s) {
 388                 checkInsecureSchemeWithAuth();
 389             }
 390         });
 391
 392         huePickerView.setOnClickListener(v -> {
 393             HueRingDialog d = new HueRingDialog(ProfileDetailFragment.this.requireContext(),
 394                     model.initialThemeHue,
 395                     (Integer) v.getTag());
 396             d.show();
 397             d.setColorSelectedListener(model::setThemeId);
 398         });
 399
 400         profileName.requestFocus();
 401     }
 402     private MobileLedgerProfile.FutureDates futureDatesSettingFromMenuItemId(int itemId) {
 403         switch (itemId) {
 404             case R.id.menu_future_dates_7:
 405                 return MobileLedgerProfile.FutureDates.OneWeek;
 406             case R.id.menu_future_dates_14:
 407                 return MobileLedgerProfile.FutureDates.TwoWeeks;
 408             case R.id.menu_future_dates_30:
 409                 return MobileLedgerProfile.FutureDates.OneMonth;
 410             case R.id.menu_future_dates_60:
 411                 return MobileLedgerProfile.FutureDates.TwoMonths;
 412             case R.id.menu_future_dates_90:
 413                 return MobileLedgerProfile.FutureDates.ThreeMonths;
 414             case R.id.menu_future_dates_180:
 415                 return MobileLedgerProfile.FutureDates.SixMonths;
 416             case R.id.menu_future_dates_365:
 417                 return MobileLedgerProfile.FutureDates.OneYear;
 418             case R.id.menu_future_dates_all:
 419                 return MobileLedgerProfile.FutureDates.All;
 420             default:
 421                 return MobileLedgerProfile.FutureDates.None;
 422         }
 423     }
 424     @NotNull
 425     private ProfileDetailModel getModel() {
 426         return new ViewModelProvider(requireActivity()).get(ProfileDetailModel.class);
 427     }
 428     private void onSaveFabClicked() {
 429         if (!checkValidity())
 430             return;
 431
 432         ProfileDetailModel model = getModel();
 433
 434         if (mProfile != null) {
 435             model.updateProfile(mProfile);
 436 //                debug("profiles", String.format("Selected item is %d", mProfile.getThemeHue()));
 437             mProfile.storeInDB();
 438             debug("profiles", "profile stored in DB");
 439             triggerProfileChange();
 440         }
 441         else {
 442             mProfile = new MobileLedgerProfile();
 443             model.updateProfile(mProfile);
 444             mProfile.storeInDB();
 445             final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 446             if (profiles == null)
 447                 throw new AssertionError();
 448             ArrayList<MobileLedgerProfile> newList = new ArrayList<>(profiles);
 449             newList.add(mProfile);
 450             Data.profiles.setValue(newList);
 451             MobileLedgerProfile.storeProfilesOrder();
 452
 453             // first profile ever?
 454             if (newList.size() == 1)
 455                 Data.profile.setValue(mProfile);
 456         }
 457
 458         Activity activity = getActivity();
 459         if (activity != null)
 460             activity.finish();
 461     }
 462     private boolean checkUrlValidity() {
 463         boolean valid = true;
 464
 465         ProfileDetailModel model = getModel();
 466
 467         String val = model.getUrl()
 468                           .trim();
 469         if (val.isEmpty()) {
 470             valid = false;
 471             urlLayout.setError(getResources().getText(R.string.err_profile_url_empty));
 472         }
 473         try {
 474             URL url = new URL(val);
 475             String host = url.getHost();
 476             if (host == null || host.isEmpty())
 477                 throw new MalformedURLException("Missing host");
 478             String protocol = url.getProtocol()
 479                                  .toUpperCase();
 480             if (!protocol.equals("HTTP") && !protocol.equals("HTTPS")) {
 481                 valid = false;
 482                 urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 483             }
 484         }
 485         catch (MalformedURLException e) {
 486             valid = false;
 487             urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 488         }
 489
 490         return valid;
 491     }
 492     private void checkInsecureSchemeWithAuth() {
 493         boolean showWarning = false;
 494
 495         final ProfileDetailModel model = getModel();
 496
 497         if (model.getUseAuthentication()) {
 498             String urlText = model.getUrl();
 499             if (urlText.startsWith("http") && !urlText.startsWith("https"))
 500                 showWarning = true;
 501         }
 502
 503         if (showWarning)
 504             insecureWarningText.setVisibility(View.VISIBLE);
 505         else
 506             insecureWarningText.setVisibility(View.GONE);
 507     }
 508     private void hookClearErrorOnFocusListener(TextView view, TextInputLayout layout) {
 509         view.setOnFocusChangeListener((v, hasFocus) -> {
 510             if (hasFocus)
 511                 layout.setError(null);
 512         });
 513         view.addTextChangedListener(new TextWatcher() {
 514             @Override
 515             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 516             }
 517             @Override
 518             public void onTextChanged(CharSequence s, int start, int before, int count) {
 519                 layout.setError(null);
 520             }
 521             @Override
 522             public void afterTextChanged(Editable s) {
 523             }
 524         });
 525     }
 526     private void syncModelFromUI() {
 527         if (syncingModelFromUI)
 528             return;
 529
 530         syncingModelFromUI = true;
 531
 532         try {
 533             ProfileDetailModel model = getModel();
 534
 535             model.setProfileName(profileName.getText());
 536             model.setUrl(url.getText());
 537             model.setPreferredAccountsFilter(preferredAccountsFilter.getText());
 538             model.setAuthUserName(userName.getText());
 539             model.setAuthPassword(password.getText());
 540         }
 541         finally {
 542             syncingModelFromUI = false;
 543         }
 544     }
 545     private boolean checkValidity() {
 546         boolean valid = true;
 547
 548         String val = String.valueOf(profileName.getText());
 549         if (val.trim()
 550                .isEmpty())
 551         {
 552             valid = false;
 553             profileNameLayout.setError(getResources().getText(R.string.err_profile_name_empty));
 554         }
 555
 556         if (!checkUrlValidity())
 557             valid = false;
 558
 559         if (useAuthentication.isChecked()) {
 560             val = String.valueOf(userName.getText());
 561             if (val.trim()
 562                    .isEmpty())
 563             {
 564                 valid = false;
 565                 userNameLayout.setError(
 566                         getResources().getText(R.string.err_profile_user_name_empty));
 567             }
 568
 569             val = String.valueOf(password.getText());
 570             if (val.trim()
 571                    .isEmpty())
 572             {
 573                 valid = false;
 574                 passwordLayout.setError(
 575                         getResources().getText(R.string.err_profile_password_empty));
 576             }
 577         }
 578
 579         return valid;
 580     }
 581     private void resetDefaultCommodity() {
 582         defaultCommoditySet = false;
 583         defaultCommodity.setText(R.string.btn_no_currency);
 584         defaultCommodity.setTypeface(defaultCommodity.getTypeface(), Typeface.ITALIC);
 585     }
 586     private void setDefaultCommodity(@NonNull @NotNull String name) {
 587         defaultCommoditySet = true;
 588         defaultCommodity.setText(name);
 589         defaultCommodity.setTypeface(Typeface.DEFAULT);
 590     }
 591     interface TextChangeSyncProc {
 592         void onTextChanged(String text);
 593     }
 594 }