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.TextView;
  33
  34 import androidx.annotation.NonNull;
  35 import androidx.annotation.Nullable;
  36 import androidx.appcompat.app.AppCompatActivity;
  37 import androidx.fragment.app.Fragment;
  38 import androidx.fragment.app.FragmentActivity;
  39 import androidx.lifecycle.LifecycleOwner;
  40 import androidx.lifecycle.ViewModelProvider;
  41
  42 import com.google.android.material.appbar.CollapsingToolbarLayout;
  43 import com.google.android.material.floatingactionbutton.FloatingActionButton;
  44 import com.google.android.material.switchmaterial.SwitchMaterial;
  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.Objects;
  65 import java.util.UUID;
  66
  67 import static net.ktnx.mobileledger.utils.Logger.debug;
  68
  69 /**
  70  * A fragment representing a single Profile detail screen.
  71  * a {@link ProfileDetailActivity}
  72  * on handsets.
  73  */
  74 public class ProfileDetailFragment extends Fragment {
  75     /**
  76      * The fragment argument representing the item ID that this fragment
  77      * represents.
  78      */
  79     public static final String ARG_ITEM_ID = "item_id";
  80     public static final String ARG_HUE = "hue";
  81     @NonNls
  82
  83     private MobileLedgerProfile mProfile;
  84     private TextView url;
  85     private TextView defaultCommodity;
  86     private boolean defaultCommoditySet;
  87     private TextInputLayout urlLayout;
  88     private LinearLayout authParams;
  89     private SwitchMaterial 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 View huePickerView;
  98     private View insecureWarningText;
  99     private TextView futureDatesText;
 100     private TextView apiVersionText;
 101     private boolean syncingModelFromUI = false;
 102     /**
 103      * Mandatory empty constructor for the fragment manager to instantiate the
 104      * fragment (e.g. upon screen orientation changes).
 105      */
 106     public ProfileDetailFragment() {
 107         super(R.layout.profile_detail);
 108     }
 109     @Override
 110     public void onCreateOptionsMenu(@NotNull Menu menu, @NotNull MenuInflater inflater) {
 111         debug("profiles", "[fragment] Creating profile details options menu");
 112         super.onCreateOptionsMenu(menu, inflater);
 113         inflater.inflate(R.menu.profile_details, menu);
 114         final MenuItem menuDeleteProfile = menu.findItem(R.id.menuDelete);
 115         menuDeleteProfile.setOnMenuItemClickListener(item -> onDeleteProfile());
 116         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 117
 118         if (BuildConfig.DEBUG) {
 119             final MenuItem menuWipeProfileData = menu.findItem(R.id.menuWipeData);
 120             menuWipeProfileData.setOnMenuItemClickListener(ignored -> onWipeDataMenuClicked());
 121             menuWipeProfileData.setVisible(mProfile != null);
 122         }
 123     }
 124     private boolean onDeleteProfile() {
 125         AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
 126         builder.setTitle(mProfile.getName());
 127         builder.setMessage(R.string.remove_profile_dialog_message);
 128         builder.setPositiveButton(R.string.Remove, (dialog, which) -> {
 129             debug("profiles", String.format("[fragment] removing profile %s", mProfile.getUuid()));
 130             mProfile.removeFromDB();
 131             ArrayList<MobileLedgerProfile> oldList = Data.profiles.getValue();
 132             if (oldList == null)
 133                 throw new AssertionError();
 134             ArrayList<MobileLedgerProfile> newList = new ArrayList<>(oldList);
 135             newList.remove(mProfile);
 136             Data.profiles.setValue(newList);
 137             if (mProfile.equals(Data.getProfile())) {
 138                 debug("profiles", "[fragment] setting current profile to 0");
 139                 Data.setCurrentProfile(newList.get(0));
 140             }
 141
 142             final FragmentActivity activity = getActivity();
 143             if (activity != null)
 144                 activity.finish();
 145         });
 146         builder.show();
 147         return false;
 148     }
 149     private boolean onWipeDataMenuClicked() {
 150         // this is a development option, so no confirmation
 151         mProfile.wipeAllData();
 152         if (mProfile.equals(Data.getProfile()))
 153             triggerProfileChange();
 154         return true;
 155     }
 156     private void triggerProfileChange() {
 157         int index = Data.getProfileIndex(mProfile);
 158         MobileLedgerProfile newProfile = new MobileLedgerProfile(mProfile);
 159         final ArrayList<MobileLedgerProfile> profiles =
 160                 Objects.requireNonNull(Data.profiles.getValue());
 161         profiles.set(index, newProfile);
 162
 163         ProfilesRecyclerViewAdapter viewAdapter = ProfilesRecyclerViewAdapter.getInstance();
 164         if (viewAdapter != null)
 165             viewAdapter.notifyItemChanged(index);
 166
 167         if (mProfile.equals(Data.getProfile()))
 168             Data.setCurrentProfile(newProfile);
 169     }
 170     private void hookTextChangeSyncRoutine(TextView view, TextChangeSyncRoutine syncRoutine) {
 171         view.addTextChangedListener(new TextWatcher() {
 172             @Override
 173             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 174             @Override
 175             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 176             @Override
 177             public void afterTextChanged(Editable s) { syncRoutine.onTextChanged(s.toString());}
 178         });
 179     }
 180     @Override
 181     public void onViewCreated(@NotNull View view, @Nullable Bundle savedInstanceState) {
 182         super.onViewCreated(view, savedInstanceState);
 183         Activity context = getActivity();
 184         if (context == null)
 185             return;
 186
 187         if ((getArguments() != null) && getArguments().containsKey(ARG_ITEM_ID)) {
 188             int index = getArguments().getInt(ARG_ITEM_ID, -1);
 189             ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 190             if ((profiles != null) && (index != -1) && (index < profiles.size()))
 191                 mProfile = profiles.get(index);
 192
 193             Activity activity = this.getActivity();
 194             if (activity == null)
 195                 throw new AssertionError();
 196             CollapsingToolbarLayout appBarLayout = activity.findViewById(R.id.toolbar_layout);
 197             if (appBarLayout != null) {
 198                 if (mProfile != null)
 199                     appBarLayout.setTitle(mProfile.getName());
 200                 else
 201                     appBarLayout.setTitle(getResources().getString(R.string.new_profile_title));
 202             }
 203         }
 204
 205         final LifecycleOwner viewLifecycleOwner = getViewLifecycleOwner();
 206         final ProfileDetailModel model = getModel();
 207
 208         model.observeDefaultCommodity(viewLifecycleOwner, c -> {
 209             if (c != null)
 210                 setDefaultCommodity(c.getName());
 211             else
 212                 resetDefaultCommodity();
 213         });
 214
 215         FloatingActionButton fab = context.findViewById(R.id.fab);
 216         fab.setOnClickListener(v -> onSaveFabClicked());
 217
 218         profileName = context.findViewById(R.id.profile_name);
 219         hookTextChangeSyncRoutine(profileName, model::setProfileName);
 220         model.observeProfileName(viewLifecycleOwner, pn -> {
 221             if (!Misc.equalStrings(pn, profileName.getText()))
 222                 profileName.setText(pn);
 223         });
 224
 225         profileNameLayout = context.findViewById(R.id.profile_name_layout);
 226
 227         url = context.findViewById(R.id.url);
 228         hookTextChangeSyncRoutine(url, model::setUrl);
 229         model.observeUrl(viewLifecycleOwner, u -> {
 230             if (!Misc.equalStrings(u, url.getText()))
 231                 url.setText(u);
 232         });
 233
 234         urlLayout = context.findViewById(R.id.url_layout);
 235
 236         context.findViewById(R.id.default_commodity_layout)
 237                .setOnClickListener(v -> {
 238                    CurrencySelectorFragment cpf = CurrencySelectorFragment.newInstance(
 239                            CurrencySelectorFragment.DEFAULT_COLUMN_COUNT, false);
 240                    cpf.setOnCurrencySelectedListener(model::setDefaultCommodity);
 241                    final AppCompatActivity activity = (AppCompatActivity) v.getContext();
 242                    cpf.show(activity.getSupportFragmentManager(), "currency-selector");
 243                });
 244
 245         SwitchMaterial showCommodityByDefault = context.findViewById(R.id.profile_show_commodity);
 246         showCommodityByDefault.setOnCheckedChangeListener(
 247                 (buttonView, isChecked) -> model.setShowCommodityByDefault(isChecked));
 248         model.observeShowCommodityByDefault(viewLifecycleOwner, showCommodityByDefault::setChecked);
 249
 250         View postingSubItems = context.findViewById(R.id.posting_sub_items);
 251
 252         SwitchMaterial postingPermitted = context.findViewById(R.id.profile_permit_posting);
 253         model.observePostingPermitted(viewLifecycleOwner, isChecked -> {
 254             postingPermitted.setChecked(isChecked);
 255             postingSubItems.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 256         });
 257         postingPermitted.setOnCheckedChangeListener(
 258                 ((buttonView, isChecked) -> model.setPostingPermitted(isChecked)));
 259
 260         SwitchMaterial showCommentsByDefault = context.findViewById(R.id.profile_show_comments);
 261         model.observeShowCommentsByDefault(viewLifecycleOwner, showCommentsByDefault::setChecked);
 262         showCommentsByDefault.setOnCheckedChangeListener(
 263                 ((buttonView, isChecked) -> model.setShowCommentsByDefault(isChecked)));
 264
 265         defaultCommodity = context.findViewById(R.id.default_commodity_text);
 266
 267         futureDatesText = context.findViewById(R.id.future_dates_text);
 268         context.findViewById(R.id.future_dates_layout)
 269                .setOnClickListener(v -> {
 270                    MenuInflater mi = new MenuInflater(context);
 271                    PopupMenu menu = new PopupMenu(context, v);
 272                    menu.inflate(R.menu.future_dates);
 273                    menu.setOnMenuItemClickListener(item -> {
 274                        model.setFutureDates(futureDatesSettingFromMenuItemId(item.getItemId()));
 275                        return true;
 276                    });
 277                    menu.show();
 278                });
 279         model.observeFutureDates(viewLifecycleOwner,
 280                 v -> futureDatesText.setText(v.getText(getResources())));
 281
 282         apiVersionText = context.findViewById(R.id.api_version_text);
 283         model.observeApiVersion(viewLifecycleOwner,
 284                 apiVer -> apiVersionText.setText(apiVer.getDescription(getResources())));
 285         context.findViewById(R.id.api_version_label)
 286                .setOnClickListener(this::chooseAPIVersion);
 287         context.findViewById(R.id.api_version_text)
 288                .setOnClickListener(this::chooseAPIVersion);
 289
 290         TextView detectedApiVersion = context.findViewById(R.id.detected_version_text);
 291         model.observeDetectedVersion(viewLifecycleOwner, ver -> {
 292             if (ver == null)
 293                 detectedApiVersion.setText(context.getResources()
 294                                                   .getString(R.string.api_version_unknown_label));
 295             else if (ver.isPre_1_20())
 296                 detectedApiVersion.setText(context.getResources()
 297                                                   .getString(R.string.api_pre_1_19));
 298             else
 299                 detectedApiVersion.setText(ver.toString());
 300         });
 301         detectedApiVersion.setOnClickListener(v -> model.triggerVersionDetection());
 302         final View detectButton = context.findViewById(R.id.api_version_detect_button);
 303         detectButton.setOnClickListener(v -> model.triggerVersionDetection());
 304         model.observeDetectingHledgerVersion(viewLifecycleOwner, running -> {
 305             detectButton.setVisibility(running ? View.VISIBLE : View.INVISIBLE);
 306         });
 307
 308         authParams = context.findViewById(R.id.auth_params);
 309
 310         useAuthentication = context.findViewById(R.id.enable_http_auth);
 311         useAuthentication.setOnCheckedChangeListener((buttonView, isChecked) -> {
 312             model.setUseAuthentication(isChecked);
 313             if (isChecked)
 314                 userName.requestFocus();
 315         });
 316         model.observeUseAuthentication(viewLifecycleOwner, isChecked -> {
 317             useAuthentication.setChecked(isChecked);
 318             authParams.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 319             checkInsecureSchemeWithAuth();
 320         });
 321
 322         userName = context.findViewById(R.id.auth_user_name);
 323         model.observeUserName(viewLifecycleOwner, text -> {
 324             if (!Misc.equalStrings(text, userName.getText()))
 325                 userName.setText(text);
 326         });
 327         hookTextChangeSyncRoutine(userName, model::setAuthUserName);
 328         userNameLayout = context.findViewById(R.id.auth_user_name_layout);
 329
 330         password = context.findViewById(R.id.password);
 331         model.observePassword(viewLifecycleOwner, text -> {
 332             if (!Misc.equalStrings(text, password.getText()))
 333                 password.setText(text);
 334         });
 335         hookTextChangeSyncRoutine(password, model::setAuthPassword);
 336         passwordLayout = context.findViewById(R.id.password_layout);
 337
 338         huePickerView = context.findViewById(R.id.btn_pick_ring_color);
 339         model.observeThemeId(viewLifecycleOwner, themeId -> {
 340             final int hue = (themeId == -1) ? Colors.DEFAULT_HUE_DEG : themeId;
 341             final int profileColor = Colors.getPrimaryColorForHue(hue);
 342             huePickerView.setBackgroundColor(profileColor);
 343             huePickerView.setTag(hue);
 344         });
 345
 346         preferredAccountsFilter = context.findViewById(R.id.preferred_accounts_filter_filter);
 347         model.observePreferredAccountsFilter(viewLifecycleOwner, text -> {
 348             if (!Misc.equalStrings(text, preferredAccountsFilter.getText()))
 349                 preferredAccountsFilter.setText(text);
 350         });
 351         hookTextChangeSyncRoutine(preferredAccountsFilter, model::setPreferredAccountsFilter);
 352
 353         insecureWarningText = context.findViewById(R.id.insecure_scheme_text);
 354
 355         hookClearErrorOnFocusListener(profileName, profileNameLayout);
 356         hookClearErrorOnFocusListener(url, urlLayout);
 357         hookClearErrorOnFocusListener(userName, userNameLayout);
 358         hookClearErrorOnFocusListener(password, passwordLayout);
 359
 360         if (savedInstanceState == null) {
 361             model.setValuesFromProfile(mProfile, getArguments().getInt(ARG_HUE, -1));
 362         }
 363         checkInsecureSchemeWithAuth();
 364
 365         url.addTextChangedListener(new TextWatcher() {
 366             @Override
 367             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 368             @Override
 369             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 370             @Override
 371             public void afterTextChanged(Editable s) {
 372                 checkInsecureSchemeWithAuth();
 373             }
 374         });
 375
 376         huePickerView.setOnClickListener(v -> {
 377             HueRingDialog d = new HueRingDialog(ProfileDetailFragment.this.requireContext(),
 378                     model.initialThemeHue, (Integer) v.getTag());
 379             d.show();
 380             d.setColorSelectedListener(model::setThemeId);
 381         });
 382
 383         profileName.requestFocus();
 384     }
 385     private void chooseAPIVersion(View v) {
 386         Activity context = getActivity();
 387         ProfileDetailModel model = getModel();
 388         MenuInflater mi = new MenuInflater(context);
 389         PopupMenu menu = new PopupMenu(context, v);
 390         menu.inflate(R.menu.api_version);
 391         menu.setOnMenuItemClickListener(item -> {
 392             SendTransactionTask.API apiVer;
 393             switch (item.getItemId()) {
 394                 case R.id.api_version_menu_html:
 395                     apiVer = SendTransactionTask.API.html;
 396                     break;
 397                 case R.id.api_version_menu_post_1_14:
 398                     apiVer = SendTransactionTask.API.post_1_14;
 399                     break;
 400                 case R.id.api_version_menu_pre_1_15:
 401                     apiVer = SendTransactionTask.API.pre_1_15;
 402                     break;
 403                 case R.id.api_version_menu_auto:
 404                 default:
 405                     apiVer = SendTransactionTask.API.auto;
 406             }
 407             model.setApiVersion(apiVer);
 408             apiVersionText.setText(apiVer.getDescription(getResources()));
 409             return true;
 410         });
 411         menu.show();
 412     }
 413     private MobileLedgerProfile.FutureDates futureDatesSettingFromMenuItemId(int itemId) {
 414         switch (itemId) {
 415             case R.id.menu_future_dates_7:
 416                 return MobileLedgerProfile.FutureDates.OneWeek;
 417             case R.id.menu_future_dates_14:
 418                 return MobileLedgerProfile.FutureDates.TwoWeeks;
 419             case R.id.menu_future_dates_30:
 420                 return MobileLedgerProfile.FutureDates.OneMonth;
 421             case R.id.menu_future_dates_60:
 422                 return MobileLedgerProfile.FutureDates.TwoMonths;
 423             case R.id.menu_future_dates_90:
 424                 return MobileLedgerProfile.FutureDates.ThreeMonths;
 425             case R.id.menu_future_dates_180:
 426                 return MobileLedgerProfile.FutureDates.SixMonths;
 427             case R.id.menu_future_dates_365:
 428                 return MobileLedgerProfile.FutureDates.OneYear;
 429             case R.id.menu_future_dates_all:
 430                 return MobileLedgerProfile.FutureDates.All;
 431             default:
 432                 return MobileLedgerProfile.FutureDates.None;
 433         }
 434     }
 435     @NotNull
 436     private ProfileDetailModel getModel() {
 437         return new ViewModelProvider(requireActivity()).get(ProfileDetailModel.class);
 438     }
 439     private void onSaveFabClicked() {
 440         if (!checkValidity())
 441             return;
 442
 443         ProfileDetailModel model = getModel();
 444         final ArrayList<MobileLedgerProfile> profiles =
 445                 Objects.requireNonNull(Data.profiles.getValue());
 446
 447         if (mProfile != null) {
 448             int pos = Data.profiles.getValue()
 449                                    .indexOf(mProfile);
 450             mProfile = new MobileLedgerProfile(mProfile);
 451             model.updateProfile(mProfile);
 452             mProfile.storeInDB();
 453             debug("profiles", "profile stored in DB");
 454             profiles.set(pos, mProfile);
 455 //                debug("profiles", String.format("Selected item is %d", mProfile.getThemeHue()));
 456
 457             final MobileLedgerProfile currentProfile = Data.getProfile();
 458             if (mProfile.getUuid()
 459                         .equals(currentProfile.getUuid()))
 460             {
 461                 Data.setCurrentProfile(mProfile);
 462             }
 463
 464             ProfilesRecyclerViewAdapter viewAdapter = ProfilesRecyclerViewAdapter.getInstance();
 465             if (viewAdapter != null)
 466                 viewAdapter.notifyItemChanged(pos);
 467         }
 468         else {
 469             mProfile = new MobileLedgerProfile(String.valueOf(UUID.randomUUID()));
 470             model.updateProfile(mProfile);
 471             mProfile.storeInDB();
 472             final ArrayList<MobileLedgerProfile> newList = new ArrayList<>(profiles);
 473             newList.add(mProfile);
 474             Data.profiles.setValue(newList);
 475             MobileLedgerProfile.storeProfilesOrder();
 476
 477             // first profile ever?
 478             if (newList.size() == 1)
 479                 Data.setCurrentProfile(mProfile);
 480         }
 481
 482         Activity activity = getActivity();
 483         if (activity != null)
 484             activity.finish();
 485     }
 486     private boolean checkUrlValidity() {
 487         boolean valid = true;
 488
 489         ProfileDetailModel model = getModel();
 490
 491         String val = model.getUrl()
 492                           .trim();
 493         if (val.isEmpty()) {
 494             valid = false;
 495             urlLayout.setError(getResources().getText(R.string.err_profile_url_empty));
 496         }
 497         try {
 498             URL url = new URL(val);
 499             String host = url.getHost();
 500             if (host == null || host.isEmpty())
 501                 throw new MalformedURLException("Missing host");
 502             String protocol = url.getProtocol()
 503                                  .toUpperCase();
 504             if (!protocol.equals("HTTP") && !protocol.equals("HTTPS")) {
 505                 valid = false;
 506                 urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 507             }
 508         }
 509         catch (MalformedURLException e) {
 510             valid = false;
 511             urlLayout.setError(getResources().getText(R.string.err_invalid_url));
 512         }
 513
 514         return valid;
 515     }
 516     private void checkInsecureSchemeWithAuth() {
 517         boolean showWarning = false;
 518
 519         final ProfileDetailModel model = getModel();
 520
 521         if (model.getUseAuthentication()) {
 522             String urlText = model.getUrl();
 523             if (urlText.startsWith("http") && !urlText.startsWith("https"))
 524                 showWarning = true;
 525         }
 526
 527         if (showWarning)
 528             insecureWarningText.setVisibility(View.VISIBLE);
 529         else
 530             insecureWarningText.setVisibility(View.GONE);
 531     }
 532     private void hookClearErrorOnFocusListener(TextView view, TextInputLayout layout) {
 533         view.setOnFocusChangeListener((v, hasFocus) -> {
 534             if (hasFocus)
 535                 layout.setError(null);
 536         });
 537         view.addTextChangedListener(new TextWatcher() {
 538             @Override
 539             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 540             }
 541             @Override
 542             public void onTextChanged(CharSequence s, int start, int before, int count) {
 543                 layout.setError(null);
 544             }
 545             @Override
 546             public void afterTextChanged(Editable s) {
 547             }
 548         });
 549     }
 550     private void syncModelFromUI() {
 551         if (syncingModelFromUI)
 552             return;
 553
 554         syncingModelFromUI = true;
 555
 556         try {
 557             ProfileDetailModel model = getModel();
 558
 559             model.setProfileName(profileName.getText());
 560             model.setUrl(url.getText());
 561             model.setPreferredAccountsFilter(preferredAccountsFilter.getText());
 562             model.setAuthUserName(userName.getText());
 563             model.setAuthPassword(password.getText());
 564         }
 565         finally {
 566             syncingModelFromUI = false;
 567         }
 568     }
 569     private boolean checkValidity() {
 570         boolean valid = true;
 571
 572         String val = String.valueOf(profileName.getText());
 573         if (val.trim()
 574                .isEmpty())
 575         {
 576             valid = false;
 577             profileNameLayout.setError(getResources().getText(R.string.err_profile_name_empty));
 578         }
 579
 580         if (!checkUrlValidity())
 581             valid = false;
 582
 583         if (useAuthentication.isChecked()) {
 584             val = String.valueOf(userName.getText());
 585             if (val.trim()
 586                    .isEmpty())
 587             {
 588                 valid = false;
 589                 userNameLayout.setError(
 590                         getResources().getText(R.string.err_profile_user_name_empty));
 591             }
 592
 593             val = String.valueOf(password.getText());
 594             if (val.trim()
 595                    .isEmpty())
 596             {
 597                 valid = false;
 598                 passwordLayout.setError(
 599                         getResources().getText(R.string.err_profile_password_empty));
 600             }
 601         }
 602
 603         return valid;
 604     }
 605     private void resetDefaultCommodity() {
 606         defaultCommoditySet = false;
 607         defaultCommodity.setText(R.string.btn_no_currency);
 608         defaultCommodity.setTypeface(defaultCommodity.getTypeface(), Typeface.ITALIC);
 609     }
 610     private void setDefaultCommodity(@NonNull @NotNull String name) {
 611         defaultCommoditySet = true;
 612         defaultCommodity.setText(name);
 613         defaultCommodity.setTypeface(Typeface.DEFAULT);
 614     }
 615     interface TextChangeSyncRoutine {
 616         void onTextChanged(String text);
 617     }
 618 }