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

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of Mobile-Ledger.
   4  * Mobile-Ledger 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  * Mobile-Ledger 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 Mobile-Ledger. 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.os.Bundle;
  22 import android.support.annotation.NonNull;
  23 import android.support.annotation.Nullable;
  24 import android.support.design.widget.CollapsingToolbarLayout;
  25 import android.support.design.widget.FloatingActionButton;
  26 import android.support.design.widget.TextInputLayout;
  27 import android.support.v4.app.Fragment;
  28 import android.text.Editable;
  29 import android.text.TextWatcher;
  30 import android.util.Log;
  31 import android.view.LayoutInflater;
  32 import android.view.Menu;
  33 import android.view.MenuInflater;
  34 import android.view.MenuItem;
  35 import android.view.View;
  36 import android.view.ViewGroup;
  37 import android.widget.LinearLayout;
  38 import android.widget.Switch;
  39 import android.widget.TextView;
  40
  41 import net.ktnx.mobileledger.R;
  42 import net.ktnx.mobileledger.model.Data;
  43 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  44 import net.ktnx.mobileledger.ui.activity.ProfileListActivity;
  45
  46 /**
  47  * A fragment representing a single Profile detail screen.
  48  * This fragment is either contained in a {@link ProfileListActivity}
  49  * in two-pane mode (on tablets) or a {@link ProfileDetailActivity}
  50  * on handsets.
  51  */
  52 public class ProfileDetailFragment extends Fragment {
  53     /**
  54      * The fragment argument representing the item ID that this fragment
  55      * represents.
  56      */
  57     public static final String ARG_ITEM_ID = "item_id";
  58
  59     /**
  60      * The dummy content this fragment is presenting.
  61      */
  62     private MobileLedgerProfile mProfile;
  63     private TextView url;
  64     private TextInputLayout urlLayout;
  65     private LinearLayout authParams;
  66     private Switch useAuthentication;
  67     private TextView userName;
  68     private TextInputLayout userNameLayout;
  69     private TextView password;
  70     private TextInputLayout passwordLayout;
  71     private TextView profileName;
  72     private TextInputLayout profileNameLayout;
  73     private FloatingActionButton fab;
  74
  75     /**
  76      * Mandatory empty constructor for the fragment manager to instantiate the
  77      * fragment (e.g. upon screen orientation changes).
  78      */
  79     public ProfileDetailFragment() {
  80     }
  81     @Override
  82     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
  83         Log.d("profiles", "[fragment] Creating profile details options menu");
  84         super.onCreateOptionsMenu(menu, inflater);
  85         inflater.inflate(R.menu.profile_details, menu);
  86         final MenuItem menuDeleteProfile = menu.findItem(R.id.menuDelete);
  87         menuDeleteProfile.setOnMenuItemClickListener(item -> {
  88             Log.d("profiles", String.format("[fragment] removing profile %s", mProfile.getUuid()));
  89             mProfile.removeFromDB();
  90             Data.profiles.remove(mProfile);
  91             if (Data.profile.get().equals(mProfile)) {
  92                 Log.d("profiles", "[fragment] setting current profile to 0");
  93                 Data.setCurrentProfile(Data.profiles.get(0));
  94             }
  95             return false;
  96         });
  97         menuDeleteProfile.setVisible((mProfile != null) && (Data.profiles.size() > 1));
  98     }
  99     @Override
 100     public void onCreate(Bundle savedInstanceState) {
 101         super.onCreate(savedInstanceState);
 102
 103         if ((getArguments() != null) && getArguments().containsKey(ARG_ITEM_ID)) {
 104             int index = getArguments().getInt(ARG_ITEM_ID, -1);
 105             if (index != -1) mProfile = Data.profiles.get(index);
 106
 107             Activity activity = this.getActivity();
 108             if (activity == null) throw new AssertionError();
 109             CollapsingToolbarLayout appBarLayout = activity.findViewById(R.id.toolbar_layout);
 110             if (appBarLayout != null) {
 111                 if (mProfile != null) appBarLayout.setTitle(mProfile.getName());
 112                 else appBarLayout.setTitle(getResources().getString(R.string.new_profile_title));
 113             }
 114         }
 115     }
 116     @Override
 117     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
 118         super.onActivityCreated(savedInstanceState);
 119         Activity context = getActivity();
 120         if (context == null) return;
 121
 122         fab = context.findViewById(R.id.fab);
 123         fab.setOnClickListener(v -> {
 124             if (!checkValidity()) return;
 125
 126             if (mProfile != null) {
 127                 mProfile.setName(profileName.getText());
 128                 mProfile.setUrl(url.getText());
 129                 mProfile.setAuthEnabled(useAuthentication.isChecked());
 130                 mProfile.setAuthUserName(userName.getText());
 131                 mProfile.setAuthPassword(password.getText());
 132                 mProfile.storeInDB();
 133                 Log.d("profiles", "profile stored in DB");
 134                 Data.profiles.triggerItemChangedNotification(mProfile);
 135
 136
 137                 if (mProfile.getUuid().equals(Data.profile.get().getUuid())) {
 138                     // dummy update to notify the observers of the possibly new name/URL
 139                     Data.profile.set(mProfile);
 140                 }
 141             }
 142             else {
 143                 mProfile = new MobileLedgerProfile(profileName.getText(), url.getText(),
 144                         useAuthentication.isChecked(), userName.getText(), password.getText());
 145                 mProfile.storeInDB();
 146                 Data.profiles.add(mProfile);
 147                 MobileLedgerProfile.storeProfilesOrder();
 148             }
 149
 150             Activity activity = getActivity();
 151             if (activity != null) activity.finish();
 152         });
 153
 154         profileName.requestFocus();
 155     }
 156     @Override
 157     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
 158                              Bundle savedInstanceState) {
 159         View rootView = inflater.inflate(R.layout.profile_detail, container, false);
 160
 161         profileName = rootView.findViewById(R.id.profile_name);
 162         profileNameLayout = rootView.findViewById(R.id.profile_name_layout);
 163         url = rootView.findViewById(R.id.url);
 164         urlLayout = rootView.findViewById(R.id.url_layout);
 165         authParams = rootView.findViewById(R.id.auth_params);
 166         useAuthentication = rootView.findViewById(R.id.enable_http_auth);
 167         userName = rootView.findViewById(R.id.auth_user_name);
 168         userNameLayout = rootView.findViewById(R.id.auth_user_name_layout);
 169         password = rootView.findViewById(R.id.password);
 170         passwordLayout = rootView.findViewById(R.id.password_layout);
 171
 172         useAuthentication.setOnCheckedChangeListener((buttonView, isChecked) -> {
 173             Log.d("profiles", isChecked ? "auth enabled " : "auth disabled");
 174             authParams.setVisibility(isChecked ? View.VISIBLE : View.GONE);
 175             if (isChecked) userName.requestFocus();
 176         });
 177
 178         hookClearErrorOnFocusListener(profileName, profileNameLayout);
 179         hookClearErrorOnFocusListener(url, urlLayout);
 180         hookClearErrorOnFocusListener(userName, userNameLayout);
 181         hookClearErrorOnFocusListener(password, passwordLayout);
 182
 183         if (mProfile != null) {
 184             profileName.setText(mProfile.getName());
 185             url.setText(mProfile.getUrl());
 186             useAuthentication.setChecked(mProfile.isAuthEnabled());
 187             authParams.setVisibility(mProfile.isAuthEnabled() ? View.VISIBLE : View.GONE);
 188             userName.setText(mProfile.isAuthEnabled() ? mProfile.getAuthUserName() : "");
 189             password.setText(mProfile.isAuthEnabled() ? mProfile.getAuthPassword() : "");
 190         }
 191         else {
 192             profileName.setText("");
 193             url.setText("");
 194             useAuthentication.setChecked(false);
 195             authParams.setVisibility(View.GONE);
 196             userName.setText("");
 197             password.setText("");
 198         }
 199
 200         return rootView;
 201     }
 202     private void hookClearErrorOnFocusListener(TextView view, TextInputLayout layout) {
 203         view.setOnFocusChangeListener((v, hasFocus) -> {
 204             if (hasFocus) layout.setError(null);
 205         });
 206         view.addTextChangedListener(new TextWatcher() {
 207             @Override
 208             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 209             }
 210             @Override
 211             public void onTextChanged(CharSequence s, int start, int before, int count) {
 212                 layout.setError(null);
 213             }
 214             @Override
 215             public void afterTextChanged(Editable s) {
 216             }
 217         });
 218     }
 219     boolean checkValidity() {
 220         boolean valid = true;
 221
 222         String val = String.valueOf(profileName.getText());
 223         if (val.trim().isEmpty()) {
 224             valid = false;
 225             profileNameLayout.setError(getResources().getText(R.string.err_profile_name_empty));
 226         }
 227
 228         val = String.valueOf(url.getText());
 229         if (val.trim().isEmpty()) {
 230             valid = false;
 231             urlLayout.setError(getResources().getText(R.string.err_profile_url_empty));
 232         }
 233         if (useAuthentication.isChecked()) {
 234             val = String.valueOf(userName.getText());
 235             if (val.trim().isEmpty()) {
 236                 valid = false;
 237                 userNameLayout
 238                         .setError(getResources().getText(R.string.err_profile_user_name_empty));
 239             }
 240
 241             val = String.valueOf(password.getText());
 242             if (val.trim().isEmpty()) {
 243                 valid = false;
 244                 passwordLayout
 245                         .setError(getResources().getText(R.string.err_profile_password_empty));
 246             }
 247         }
 248
 249         return valid;
 250     }
 251 }