app/src/main/java/net/ktnx/mobileledger/ui/profiles/ProfileDetailFragment.java

   1 /*
   2  * Copyright © 2020 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 import java.util.UUID;
  65
  66 import static net.ktnx.mobileledger.utils.Logger.debug;
  67
  68 /**
  69  * A fragment representing a single Profile detail screen.
  70  * a {@link ProfileDetailActivity}
  71  * on handsets.
  72  */
  73 public class ProfileDetailFragment extends Fragment {
  74     /**
  75      * The fragment argument representing the item ID that this fragment
  76      * represents.
  77      */
  78     public static final String ARG_ITEM_ID = "item_id";
  79     public static final String ARG_HUE = "hue";
  80     @NonNls
  81
  82     private MobileLedgerProfile mProfile;
  83     private TextView url;
  84     private TextView defaultCommodity;
  85     private View defaultCommodityLayout;
  86     private boolean defaultCommoditySet;
  87     private TextInputLayout urlLayout;
  88     private LinearLayout authParams;
  89     private Switch useAuthentication;
  90     private TextView userName;
  91     private TextInputLayout userNameLayout;
  92     private TextView password;
  93     private TextInputLayout passwordLayout;
  94     private TextView profileName;
  95     private TextInputLayout profileNameLayout;
  96     private TextView preferredAccountsFilter;
  97     private TextInputLayout preferredAccountsFilterLayout;
  98     private View huePickerView;
  99     private View insecureWarningText;
 100     private TextView futureDatesText;
 101     private View futureDatesLayout;
 102     private TextView apiVersionText;
 103     private boolean syncingModelFromUI = false;
 104     /**
 105      * Mandatory empty constructor for the fragment manager to instantiate the
 106      * fragment (e.g. upon screen orientation changes).
 107      */
 108     public ProfileDetailFragment() {
 109         super(R.layout.profile_detail);
 110     }
 111     @Override
 112     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 113         debug("profiles", "[fragment] Creating profile details options menu");
 114         super.onCreateOptionsMenu(menu, inflater);
 115         inflater.inflate(R.menu.profile_details, menu);
 116         final MenuItem menuDeleteProfile = menu.findItem(R.id.menuDelete);
 117         menuDeleteProfile.setOnMenuItemClickListener(item -> {
 118             AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
 119             builder.setTitle(mProfile.getName());
 120             builder.setMessage(R.string.remove_profile_dialog_message);
 121             builder.setPositiveButton(R.string.Remove, (dialog, which) -> {
 122                 debug("profiles",
 123                         String.format("[fragment] removing profile %s", mProfile.getUuid()));
 124                 mProfile.removeFromDB();
 125                 ArrayList<MobileLedgerProfile> oldList = Data.profiles.getValue();
 126                 if (oldList == null)
 127                     throw new AssertionError();
 128                 ArrayList<MobileLedgerProfile> newList = new ArrayList<>(oldList);
 129                 newList.remove(mProfile);
 130                 Data.profiles.setValue(newList);
 131                 if (mProfile.equals(Data.getProfile())) {
 132                     debug("profiles", "[fragment] setting current profile to 0");
 133                     Data.setCurrentProfile(newList.get(0));
 134                 }
 135
 136                 final FragmentActivity activity = getActivity();
 137                 if (activity != null)
 138                     activity.finish();
 139             });
 140             builder.show();
 141             return false;
 142         });
 143         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 144         menuDeleteProfile.setVisible(
 145                 (mProfile != null) && (profiles != null) && (profiles.size() > 1));
 146
 147         if (BuildConfig.DEBUG) {
 148             final MenuItem menuWipeProfileData = menu.findItem(R.id.menuWipeData);
 149             menuWipeProfileData.setOnMenuItemClickListener(ignored -> onWipeDataMenuClicked());
 150             menuWipeProfileData.setVisible(mProfile != null);
 151         }
 152     }
 153     private boolean onWipeDataMenuClicked() {
 154         // this is a development option, so no confirmation
 155         mProfile.wipeAllData();
 156         if (mProfile.equals(Data.getProfile()))
 157             triggerProfileChange();
 158         return true;
 159     }
 160     private void triggerProfileChange() {
 161         int index = Data.getProfileIndex(mProfile);
 162         MobileLedgerProfile newProfile = new MobileLedgerProfile(mProfile);
 163         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 164         if (profiles == null)
 165             throw new AssertionError();
 166         profiles.set(index, newProfile);
 167
 168         ProfilesRecyclerViewAdapter viewAdapter = ProfilesRecyclerViewAdapter.getInstance();
 169         if (viewAdapter != null)
 170             viewAdapter.notifyItemChanged(index);
 171
 172         if (mProfile.equals(Data.getProfile()))
 173             Data.setCurrentProfile(newProfile);
 174     }
 175     private void hookTextChangeSyncRoutine(TextView view, TextChangeSyncProc syncRoutine) {
 176         view.addTextChangedListener(new TextWatcher() {
 177             @Override
 178             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 179             @Override
 180             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 181             @Override
 182             public void afterTextChanged(Editable s) { syncRoutine.onTextChanged(s.toString());}
 183         });
 184     }
 185     @Override
 186     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 187         super.onActivityCreated(savedInstanceState);
 188         Activity context = getActivity();
 189         if (context == null)
 190             return;
 191
 192         if ((getArguments() != null) && getArguments().containsKey(ARG_ITEM_ID)) {
 193             int index = getArguments().getInt(ARG_ITEM_ID, -1);
 194             ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 195             if ((profiles != null) && (index != -1) && (index < profiles.size()))
 196                 mProfile = profiles.get(index);
 197
 198             Activity activity = this.getActivity();
 199             if (activity == null)
 200                 throw new AssertionError();
 201             CollapsingToolbarLayout appBarLayout = activity.findViewById(R.id.toolbar_layout);
 202             if (appBarLayout != null) {
 203                 if (mProfile != null)
 204                     appBarLayout.setTitle(mProfile.getName());
 205                 else
 206                     appBarLayout.setTitle(getResources().getString(R.string.new_profile_title));
 207             }
 208         }
 209
 210         final LifecycleOwner viewLifecycleOwner = getViewLifecycleOwner();
 211         final ProfileDetailModel model = getModel();
 212
 213         model.observeDefaultCommodity(viewLifecycleOwner, c -> {
 214             if (c != null)
 215                 setDefaultCommodity(c.getName());
 216             else
 217                 resetDefaultCommodity();
 218         });
 219
 220         FloatingActionButton fab = context.findViewById(R.id.fab);
 221         fab.setOnClickListener(v -> onSaveFabClicked());
 222
 223         profileName = context.findViewById(R.id.profile_name);
 224         hookTextChangeSyncRoutine(profileName, model::setProfileName);
 225         model.observeProfileName(viewLifecycleOwner, pn -> {
 226             if (!Misc.equalStrings(pn, profileName.getText()))
 227                 profileName.setText(pn);
 228         });
 229
 230         profileNameLayout = context.findViewById(R.id.profile_name_layout);
 231
 232         url = context.findViewById(R.id.url);
 233         hookTextChangeSyncRoutine(url, model::setUrl);
 234         model.observeUrl(viewLifecycleOwner, u -> {
 235             if (!Misc.equalStrings(u, url.getText()))
 236                 url.setText(u);
 237         });
 238
 239         urlLayout = context.findViewById(R.id.url_layout);
 240
 241         defaultCommodityLayout = context.findViewById(R.id.default_commodity_layout);
 242         defaultCommodityLayout.setOnClickListener(v -> {
 243             CurrencySelectorFragment cpf = CurrencySelectorFragment.newInstance(
 244                     CurrencySelectorFragment.DEFAULT_COLUMN_COUNT, false);
 245             cpf.setOnCurrencySelectedListener(model::setDefaultCommodity);
 246             final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 247             cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 248         });
 249
 250         Switch showCommodityByDefault = context.findViewById(R.id.profile_show_commodity);
 251         showCommodityByDefault.setOnCheckedChangeListener(
 252                 (buttonView, isChecked) -> model.setShowCommodityByDefault(isChecked));
 253         model.observeShowCommodityByDefault(viewLifecycleOwner, showCommodityByDefault::setChecked);
 254
 255         View postingSubItems = context.findViewById(R.id.posting_sub_items);
 256
 257         Switch postingPermitted = context.findViewById(R.id.profile_permit_posting);
 258         model.observePostingPermitted(viewLifecycleOwner, isChecked -> {
 259             postingPermitted.setChecked(isChecked);
 260             postingSubItems.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 261         });
 262         postingPermitted.setOnCheckedChangeListener(
 263                 ((buttonView, isChecked) -> model.setPostingPermitted(isChecked)));
 264
 265         Switch showCommentsByDefault = context.findViewById(R.id.profile_show_comments);
 266         model.observeShowCommentsByDefault(viewLifecycleOwner, isChecked -> {
 267             showCommentsByDefault.setChecked(isChecked);
 268         });
 269         showCommentsByDefault.setOnCheckedChangeListener(
 270                 ((buttonView, isChecked) -> model.setShowCommentsByDefault(isChecked)));
 271
 272         defaultCommodity = context.findViewById(R.id.default_commodity_text);
 273
 274         futureDatesLayout = context.findViewById(R.id.future_dates_layout);
 275         futureDatesText = context.findViewById(R.id.future_dates_text);
 276         context.findViewById(R.id.future_dates_layout)
 277                .setOnClickListener(v -> {
 278                    MenuInflater mi = new MenuInflater(context);
 279                    PopupMenu menu = new PopupMenu(context, v);
 280                    menu.inflate(R.menu.future_dates);
 281                    menu.setOnMenuItemClickListener(item -> {
 282                        model.setFutureDates(futureDatesSettingFromMenuItemId(item.getItemId()));
 283                        return true;
 284                    });
 285                    menu.show();
 286                });
 287         model.observeFutureDates(viewLifecycleOwner,
 288                 v -> futureDatesText.setText(v.getText(getResources())));
 289
 290         apiVersionText = context.findViewById(R.id.api_version_text);
 291         model.observeApiVersion(viewLifecycleOwner, apiVer -> {
 292             apiVersionText.setText(apiVer.getDescription(getResources()));
 293         });
 294         context.findViewById(R.id.api_version_layout)
 295                .setOnClickListener(v -> {
 296                    MenuInflater mi = new MenuInflater(context);
 297                    PopupMenu menu = new PopupMenu(context, v);
 298                    menu.inflate(R.menu.api_version);
 299                    menu.setOnMenuItemClickListener(item -> {
 300                        SendTransactionTask.API apiVer;
 301                        switch (item.getItemId()) {
 302                            case R.id.api_version_menu_html:
 303                                apiVer = SendTransactionTask.API.html;
 304                                break;
 305                            case R.id.api_version_menu_post_1_14:
 306                                apiVer = SendTransactionTask.API.post_1_14;
 307                                break;
 308                            case R.id.api_version_menu_pre_1_15:
 309                                apiVer = SendTransactionTask.API.pre_1_15;
 310                                break;
 311                            case R.id.api_version_menu_auto:
 312                            default:
 313                                apiVer = SendTransactionTask.API.auto;
 314                        }
 315                        model.setApiVersion(apiVer);
 316                        apiVersionText.setText(apiVer.getDescription(getResources()));
 317                        return true;
 318                    });
 319                    menu.show();
 320                });
 321         authParams = context.findViewById(R.id.auth_params);
 322
 323         useAuthentication = context.findViewById(R.id.enable_http_auth);
 324         useAuthentication.setOnCheckedChangeListener((buttonView, isChecked) -> {
 325             model.setUseAuthentication(isChecked);
 326             if (isChecked)
 327                 userName.requestFocus();
 328         });
 329         model.observeUseAuthentication(viewLifecycleOwner, isChecked -> {
 330             useAuthentication.setChecked(isChecked);
 331             authParams.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 332             checkInsecureSchemeWithAuth();
 333         });
 334
 335         userName = context.findViewById(R.id.auth_user_name);
 336         model.observeUserName(viewLifecycleOwner, text -> {
 337             if (!Misc.equalStrings(text, userName.getText()))
 338                 userName.setText(text);
 339         });
 340         hookTextChangeSyncRoutine(userName, model::setAuthUserName);
 341         userNameLayout = context.findViewById(R.id.auth_user_name_layout);
 342
 343         password = context.findViewById(R.id.password);
 344         model.observePassword(viewLifecycleOwner, text -> {
 345             if (!Misc.equalStrings(text, password.getText()))
 346                 password.setText(text);
 347         });
 348         hookTextChangeSyncRoutine(password, model::setAuthPassword);
 349         passwordLayout = context.findViewById(R.id.password_layout);
 350
 351         huePickerView = context.findViewById(R.id.btn_pick_ring_color);
 352         model.observeThemeId(viewLifecycleOwner, themeId -> {
 353             final int hue = (themeId == -1) ? Colors.DEFAULT_HUE_DEG : themeId;
 354             final int profileColor = Colors.getPrimaryColorForHue(hue);
 355             huePickerView.setBackgroundColor(profileColor);
 356             huePickerView.setTag(hue);
 357         });
 358
 359         preferredAccountsFilter = context.findViewById(R.id.preferred_accounts_filter_filter);
 360         model.observePreferredAccountsFilter(viewLifecycleOwner, text -> {
 361             if (!Misc.equalStrings(text, preferredAccountsFilter.getText()))
 362                 preferredAccountsFilter.setText(text);
 363         });
 364         hookTextChangeSyncRoutine(preferredAccountsFilter, model::setPreferredAccountsFilter);
 365         preferredAccountsFilterLayout =
 366                 context.findViewById(R.id.preferred_accounts_accounts_filter_layout);
 367
 368         insecureWarningText = context.findViewById(R.id.insecure_scheme_text);
 369
 370         hookClearErrorOnFocusListener(profileName, profileNameLayout);
 371         hookClearErrorOnFocusListener(url, urlLayout);
 372         hookClearErrorOnFocusListener(userName, userNameLayout);
 373         hookClearErrorOnFocusListener(password, passwordLayout);
 374
 375         if (savedInstanceState == null) {
 376             model.setValuesFromProfile(mProfile, getArguments().getInt(ARG_HUE, -1));
 377         }
 378         checkInsecureSchemeWithAuth();
 379
 380         url.addTextChangedListener(new TextWatcher() {
 381             @Override
 382             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 383             @Override
 384             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 385             @Override
 386             public void afterTextChanged(Editable s) {
 387                 checkInsecureSchemeWithAuth();
 388             }
 389         });
 390
 391         huePickerView.setOnClickListener(v -> {
 392             HueRingDialog d = new HueRingDialog(ProfileDetailFragment.this.requireContext(),
 393                     model.initialThemeHue, (Integer) v.getTag());
 394             d.show();
 395             d.setColorSelectedListener(model::setThemeId);
 396         });
 397
 398         profileName.requestFocus();
 399     }
 400     private MobileLedgerProfile.FutureDates futureDatesSettingFromMenuItemId(int itemId) {
 401         switch (itemId) {
 402             case R.id.menu_future_dates_7:
 403                 return MobileLedgerProfile.FutureDates.OneWeek;
 404             case R.id.menu_future_dates_14:
 405                 return MobileLedgerProfile.FutureDates.TwoWeeks;
 406             case R.id.menu_future_dates_30:
 407                 return MobileLedgerProfile.FutureDates.OneMonth;
 408             case R.id.menu_future_dates_60:
 409                 return MobileLedgerProfile.FutureDates.TwoMonths;
 410             case R.id.menu_future_dates_90:
 411                 return MobileLedgerProfile.FutureDates.ThreeMonths;
 412             case R.id.menu_future_dates_180:
 413                 return MobileLedgerProfile.FutureDates.SixMonths;
 414             case R.id.menu_future_dates_365:
 415                 return MobileLedgerProfile.FutureDates.OneYear;
 416             case R.id.menu_future_dates_all:
 417                 return MobileLedgerProfile.FutureDates.All;
 418             default:
 419                 return MobileLedgerProfile.FutureDates.None;
 420         }
 421     }
 422     @NotNull
 423     private ProfileDetailModel getModel() {
 424         return new ViewModelProvider(requireActivity()).get(ProfileDetailModel.class);
 425     }
 426     private void onSaveFabClicked() {
 427         if (!checkValidity())
 428             return;
 429
 430         ProfileDetailModel model = getModel();
 431
 432         if (mProfile != null) {
 433             model.updateProfile(mProfile);
 434 //                debug("profiles", String.format("Selected item is %d", mProfile.getThemeHue()));
 435             mProfile.storeInDB();
 436             debug("profiles", "profile stored in DB");
 437             triggerProfileChange();
 438         }
 439         else {
 440             mProfile = new MobileLedgerProfile(String.valueOf(UUID.randomUUID()));
 441             model.updateProfile(mProfile);
 442             mProfile.storeInDB();
 443             final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 444             if (profiles == null)
 445                 throw new AssertionError();
 446             ArrayList<MobileLedgerProfile> newList = new ArrayList<>(profiles);
 447             newList.add(mProfile);
 448             Data.profiles.setValue(newList);
 449             MobileLedgerProfile.storeProfilesOrder();
 450
 451             // first profile ever?
 452             if (newList.size() == 1)
 453                 Data.setCurrentProfile(mProfile);
 454         }
 455
 456         Activity activity = getActivity();
 457         if (activity != null)
 458             activity.finish();
 459     }
 460     private boolean checkUrlValidity() {
 461         boolean valid = true;
 462
 463         ProfileDetailModel model = getModel();
 464
 465         String val = model.getUrl()
 466                           .trim();
 467         if (val.isEmpty()) {
 468             valid = false;
 469             urlLayout.setError(getResources().getText(R.string.err_profile_url_empty));
 470         }
 471         try {
 472             URL url = new URL(val);
 473             String host = url.getHost();
 474             if (host == null || host.isEmpty())
 475                 throw new MalformedURLException("Missing host");
 476             String protocol = url.getProtocol()
 477                                  .toUpperCase();
 478             if (!protocol.equals("HTTP") && !protocol.equals("HTTPS")) {
 479                 valid = false;
 480                 urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 481             }
 482         }
 483         catch (MalformedURLException e) {
 484             valid = false;
 485             urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 486         }
 487
 488         return valid;
 489     }
 490     private void checkInsecureSchemeWithAuth() {
 491         boolean showWarning = false;
 492
 493         final ProfileDetailModel model = getModel();
 494
 495         if (model.getUseAuthentication()) {
 496             String urlText = model.getUrl();
 497             if (urlText.startsWith("http") && !urlText.startsWith("https"))
 498                 showWarning = true;
 499         }
 500
 501         if (showWarning)
 502             insecureWarningText.setVisibility(View.VISIBLE);
 503         else
 504             insecureWarningText.setVisibility(View.GONE);
 505     }
 506     private void hookClearErrorOnFocusListener(TextView view, TextInputLayout layout) {
 507         view.setOnFocusChangeListener((v, hasFocus) -> {
 508             if (hasFocus)
 509                 layout.setError(null);
 510         });
 511         view.addTextChangedListener(new TextWatcher() {
 512             @Override
 513             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 514             }
 515             @Override
 516             public void onTextChanged(CharSequence s, int start, int before, int count) {
 517                 layout.setError(null);
 518             }
 519             @Override
 520             public void afterTextChanged(Editable s) {
 521             }
 522         });
 523     }
 524     private void syncModelFromUI() {
 525         if (syncingModelFromUI)
 526             return;
 527
 528         syncingModelFromUI = true;
 529
 530         try {
 531             ProfileDetailModel model = getModel();
 532
 533             model.setProfileName(profileName.getText());
 534             model.setUrl(url.getText());
 535             model.setPreferredAccountsFilter(preferredAccountsFilter.getText());
 536             model.setAuthUserName(userName.getText());
 537             model.setAuthPassword(password.getText());
 538         }
 539         finally {
 540             syncingModelFromUI = false;
 541         }
 542     }
 543     private boolean checkValidity() {
 544         boolean valid = true;
 545
 546         String val = String.valueOf(profileName.getText());
 547         if (val.trim()
 548                .isEmpty())
 549         {
 550             valid = false;
 551             profileNameLayout.setError(getResources().getText(R.string.err_profile_name_empty));
 552         }
 553
 554         if (!checkUrlValidity())
 555             valid = false;
 556
 557         if (useAuthentication.isChecked()) {
 558             val = String.valueOf(userName.getText());
 559             if (val.trim()
 560                    .isEmpty())
 561             {
 562                 valid = false;
 563                 userNameLayout.setError(
 564                         getResources().getText(R.string.err_profile_user_name_empty));
 565             }
 566
 567             val = String.valueOf(password.getText());
 568             if (val.trim()
 569                    .isEmpty())
 570             {
 571                 valid = false;
 572                 passwordLayout.setError(
 573                         getResources().getText(R.string.err_profile_password_empty));
 574             }
 575         }
 576
 577         return valid;
 578     }
 579     private void resetDefaultCommodity() {
 580         defaultCommoditySet = false;
 581         defaultCommodity.setText(R.string.btn_no_currency);
 582         defaultCommodity.setTypeface(defaultCommodity.getTypeface(), Typeface.ITALIC);
 583     }
 584     private void setDefaultCommodity(@NonNull @NotNull String name) {
 585         defaultCommoditySet = true;
 586         defaultCommodity.setText(name);
 587         defaultCommodity.setTypeface(Typeface.DEFAULT);
 588     }
 589     interface TextChangeSyncProc {
 590         void onTextChanged(String text);
 591     }
 592 }