app/src/main/java/net/ktnx/mobileledger/ui/activity/ProfileListActivity.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.activity;
  19
  20 import android.content.Context;
  21 import android.content.Intent;
  22 import android.os.Bundle;
  23 import android.support.annotation.NonNull;
  24 import android.support.design.widget.FloatingActionButton;
  25 import android.support.v7.app.AppCompatActivity;
  26 import android.support.v7.widget.DividerItemDecoration;
  27 import android.support.v7.widget.RecyclerView;
  28 import android.support.v7.widget.Toolbar;
  29 import android.support.v7.widget.helper.ItemTouchHelper;
  30 import android.util.Log;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.ViewGroup;
  34 import android.widget.RadioButton;
  35 import android.widget.TextView;
  36
  37 import net.ktnx.mobileledger.R;
  38 import net.ktnx.mobileledger.model.Data;
  39 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  40 import net.ktnx.mobileledger.ui.profiles.ProfileDetailActivity;
  41 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
  42
  43 import java.util.Collections;
  44
  45 /**
  46  * An activity representing a list of Profiles. This activity
  47  * has different presentations for handset and tablet-size devices. On
  48  * handsets, the activity presents a list of items, which when touched,
  49  * lead to a {@link ProfileDetailActivity} representing
  50  * item details. On tablets, the activity presents the list of items and
  51  * item details side-by-side using two vertical panes.
  52  */
  53 public class ProfileListActivity extends AppCompatActivity {
  54
  55     public static final String ARG_ACTION = "action";
  56     public static final String ARG_PROFILE_INDEX = "profile_index";
  57     public static final int PROFILE_INDEX_NONE = -1;
  58     public static final int ACTION_EDIT_PROFILE = 1;
  59     public static final int ACTION_INVALID = -1;
  60     /**
  61      * Whether or not the activity is in two-pane mode, i.e. running on a tablet
  62      * device.
  63      */
  64     private boolean mTwoPane;
  65     private FloatingActionButton fab;
  66
  67     @Override
  68     protected void onCreate(Bundle savedInstanceState) {
  69         super.onCreate(savedInstanceState);
  70         setContentView(R.layout.activity_profile_list);
  71
  72         Toolbar toolbar = findViewById(R.id.toolbar);
  73         setSupportActionBar(toolbar);
  74         toolbar.setTitle(getTitle());
  75
  76         RecyclerView recyclerView = findViewById(R.id.profile_list);
  77         if (recyclerView == null) throw new AssertionError();
  78         setupRecyclerView(recyclerView);
  79
  80         fab = findViewById(R.id.fab);
  81         fab.setOnClickListener(view -> {
  82             ProfilesRecyclerViewAdapter adapter =
  83                     (ProfilesRecyclerViewAdapter) recyclerView.getAdapter();
  84             if (adapter != null) adapter.editProfile(recyclerView, null);
  85         });
  86
  87         if (findViewById(R.id.profile_detail_container) != null) {
  88             // The detail container view will be present only in the
  89             // large-screen layouts (res/values-w900dp).
  90             // If this view is present, then the
  91             // activity should be in two-pane mode.
  92             mTwoPane = true;
  93         }
  94
  95         int action = getIntent().getIntExtra(ARG_ACTION, ACTION_INVALID);
  96         if (action == ACTION_EDIT_PROFILE) {
  97             Log.d("profiles", "got edit profile action");
  98             int index = getIntent().getIntExtra(ARG_PROFILE_INDEX, PROFILE_INDEX_NONE);
  99
 100             MobileLedgerProfile profile = (index >= 0) ? Data.profiles.get(index) : null;
 101             ProfilesRecyclerViewAdapter adapter =
 102                     (ProfilesRecyclerViewAdapter) recyclerView.getAdapter();
 103             if (adapter != null) {
 104                 adapter.editProfile(recyclerView, profile);
 105
 106                 // if invoked from the initial screen, get out so that when the new profile
 107                 // activity finishes the user i navigated to the main activity
 108                 if ((profile == null) && Data.profiles.getList().isEmpty()) finish();
 109             }
 110         }
 111     }
 112
 113     @Override
 114     protected void onStart() {
 115         super.onStart();
 116         fab.show();
 117     }
 118     private void setupRecyclerView(@NonNull RecyclerView recyclerView) {
 119         final ProfilesRecyclerViewAdapter adapter = new ProfilesRecyclerViewAdapter(this, mTwoPane);
 120         recyclerView.setAdapter(adapter);
 121         ItemTouchHelper.Callback cb = new ItemTouchHelper.Callback() {
 122             @Override
 123             public int getMovementFlags(@NonNull RecyclerView recyclerView,
 124                                         @NonNull RecyclerView.ViewHolder viewHolder) {
 125                 return makeMovementFlags(ItemTouchHelper.UP | ItemTouchHelper.DOWN, 0);
 126             }
 127             @Override
 128             public boolean onMove(@NonNull RecyclerView recyclerView,
 129                                   @NonNull RecyclerView.ViewHolder viewHolder,
 130                                   @NonNull RecyclerView.ViewHolder target) {
 131                 Collections.swap(Data.profiles.getList(), viewHolder.getAdapterPosition(),
 132                         target.getAdapterPosition());
 133                 MobileLedgerProfile.storeProfilesOrder();
 134                 adapter.notifyItemMoved(viewHolder.getAdapterPosition(),
 135                         target.getAdapterPosition());
 136                 return true;
 137             }
 138             @Override
 139             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
 140
 141             }
 142         };
 143         new ItemTouchHelper(cb).attachToRecyclerView(recyclerView);
 144         recyclerView.addItemDecoration(new DividerItemDecoration(recyclerView.getContext(),
 145                 DividerItemDecoration.VERTICAL));
 146     }
 147
 148     public static class ProfilesRecyclerViewAdapter
 149             extends RecyclerView.Adapter<ProfilesRecyclerViewAdapter.ProfileListViewHolder> {
 150
 151         private final ProfileListActivity mParentActivity;
 152         private final boolean mTwoPane;
 153         private final View.OnClickListener mOnClickListener = view -> {
 154             MobileLedgerProfile profile = (MobileLedgerProfile) ((View) view.getParent()).getTag();
 155             editProfile(view, profile);
 156         };
 157         ProfilesRecyclerViewAdapter(ProfileListActivity parent, boolean twoPane) {
 158             mParentActivity = parent;
 159             mTwoPane = twoPane;
 160             Data.profiles.addObserver((o, arg) -> {
 161                 Log.d("profiles", "profile list changed");
 162                 if (arg == null) notifyDataSetChanged();
 163                 else notifyItemChanged((int) arg);
 164             });
 165         }
 166         private void editProfile(View view, MobileLedgerProfile profile) {
 167             int index = Data.profiles.indexOf(profile);
 168             if (mTwoPane) {
 169                 Bundle arguments = new Bundle();
 170                 arguments.putInt(ProfileDetailFragment.ARG_ITEM_ID, index);
 171                 ProfileDetailFragment fragment = new ProfileDetailFragment();
 172                 fragment.setArguments(arguments);
 173                 mParentActivity.getSupportFragmentManager().beginTransaction()
 174                         .replace(R.id.profile_detail_container, fragment).commit();
 175             }
 176             else {
 177                 Context context = view.getContext();
 178                 Intent intent = new Intent(context, ProfileDetailActivity.class);
 179                 intent.addFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION);
 180                 if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 181
 182                 context.startActivity(intent);
 183             }
 184         }
 185         @NonNull
 186         @Override
 187         public ProfileListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 188             View view = LayoutInflater.from(parent.getContext())
 189                     .inflate(R.layout.profile_list_content, parent, false);
 190             ProfileListViewHolder holder = new ProfileListViewHolder(view);
 191
 192             holder.mRadioView.setOnCheckedChangeListener((buttonView, isChecked) -> {
 193                 if (!isChecked) return;
 194                 Log.d("profiles",
 195                         String.format("Item %d got checked", holder.getAdapterPosition()));
 196                 MobileLedgerProfile profile = (MobileLedgerProfile) holder.itemView.getTag();
 197                 if (profile != null) {
 198                     Log.d("profiles",
 199                             String.format("Setting current profile to %s", profile.getUuid()));
 200                     Data.setCurrentProfile(profile);
 201                 }
 202             });
 203             View.OnClickListener profileSelector = v -> holder.mRadioView.setChecked(true);
 204             holder.mTitle.setOnClickListener(profileSelector);
 205             holder.mSubTitle.setOnClickListener(profileSelector);
 206             Data.profile.addObserver((o, arg) -> {
 207                 MobileLedgerProfile myProfile = (MobileLedgerProfile) holder.itemView.getTag();
 208                 final MobileLedgerProfile currentProfile = Data.profile.get();
 209                 final boolean sameProfile = currentProfile.equals(myProfile);
 210                 if (holder.mRadioView.isChecked() != sameProfile) {
 211                     holder.mRadioView.setChecked(sameProfile);
 212                 }
 213             });
 214             return holder;
 215         }
 216         @Override
 217         public void onBindViewHolder(@NonNull final ProfileListViewHolder holder, int position) {
 218             final MobileLedgerProfile profile = Data.profiles.get(position);
 219             final MobileLedgerProfile currentProfile = Data.profile.get();
 220             Log.d("profiles", String.format("pos %d: %s, current: %s", position, profile.getUuid(),
 221                     (currentProfile == null) ? "<NULL>" : currentProfile.getUuid()));
 222             holder.itemView.setTag(profile);
 223             holder.mTitle.setText(profile.getName());
 224             holder.mSubTitle.setText(profile.getUrl());
 225             holder.mRadioView.setChecked(profile.equals(currentProfile));
 226
 227             holder.mEditButton.setOnClickListener(mOnClickListener);
 228         }
 229         @Override
 230         public int getItemCount() {
 231             return Data.profiles.size();
 232         }
 233         class ProfileListViewHolder extends RecyclerView.ViewHolder {
 234             final RadioButton mRadioView;
 235             final TextView mEditButton;
 236             final TextView mTitle, mSubTitle;
 237
 238             ProfileListViewHolder(View view) {
 239                 super(view);
 240                 mRadioView = view.findViewById(R.id.profile_list_radio);
 241                 mEditButton = view.findViewById(R.id.profile_list_edit_button);
 242                 mTitle = view.findViewById(R.id.title);
 243                 mSubTitle = view.findViewById(R.id.subtitle);
 244             }
 245         }
 246     }
 247 }