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.v7.app.ActionBar;
  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.Menu;
  33 import android.view.View;
  34 import android.view.ViewGroup;
  35 import android.widget.RadioButton;
  36 import android.widget.TextView;
  37
  38 import net.ktnx.mobileledger.R;
  39 import net.ktnx.mobileledger.model.Data;
  40 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  41 import net.ktnx.mobileledger.ui.profiles.ProfileDetailActivity;
  42 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
  43
  44 import java.util.Collections;
  45
  46 /**
  47  * An activity representing a list of Profiles. This activity
  48  * has different presentations for handset and tablet-size devices. On
  49  * handsets, the activity presents a list of items, which when touched,
  50  * lead to a {@link ProfileDetailActivity} representing
  51  * item details. On tablets, the activity presents the list of items and
  52  * item details side-by-side using two vertical panes.
  53  */
  54 public class ProfileListActivity extends AppCompatActivity {
  55
  56     public static final String ARG_ACTION = "action";
  57     public static final String ARG_PROFILE_INDEX = "profile_index";
  58     public static final int PROFILE_INDEX_NONE = -1;
  59     public static final int ACTION_EDIT_PROFILE = 1;
  60     public static final int ACTION_INVALID = -1;
  61     /**
  62      * Whether or not the activity is in two-pane mode, i.e. running on a tablet
  63      * device.
  64      */
  65     private boolean mTwoPane;
  66     private RecyclerView recyclerView;
  67
  68     @Override
  69     public boolean onSupportNavigateUp() {
  70         onBackPressed();
  71         return super.onSupportNavigateUp();
  72     }
  73     @Override
  74     protected void onCreate(Bundle savedInstanceState) {
  75         super.onCreate(savedInstanceState);
  76         setContentView(R.layout.activity_profile_list);
  77
  78         Toolbar toolbar = findViewById(R.id.toolbar);
  79         setSupportActionBar(toolbar);
  80         toolbar.setTitle(getTitle());
  81         final ActionBar supportActionBar = getSupportActionBar();
  82         if (supportActionBar != null) {
  83             supportActionBar.setDisplayHomeAsUpEnabled(true);
  84             supportActionBar.setDisplayShowHomeEnabled(true);
  85         }
  86
  87         recyclerView = findViewById(R.id.profile_list);
  88         if (recyclerView == null) throw new AssertionError();
  89         setupRecyclerView(recyclerView);
  90
  91         if (findViewById(R.id.profile_detail_container) != null) {
  92             // The detail container view will be present only in the
  93             // large-screen layouts (res/values-w900dp).
  94             // If this view is present, then the
  95             // activity should be in two-pane mode.
  96             mTwoPane = true;
  97         }
  98
  99         int action = getIntent().getIntExtra(ARG_ACTION, ACTION_INVALID);
 100         if (action == ACTION_EDIT_PROFILE) {
 101             Log.d("profiles", "got edit profile action");
 102             int index = getIntent().getIntExtra(ARG_PROFILE_INDEX, PROFILE_INDEX_NONE);
 103
 104             MobileLedgerProfile profile = (index >= 0) ? Data.profiles.get(index) : null;
 105             ProfilesRecyclerViewAdapter adapter = (ProfilesRecyclerViewAdapter) recyclerView.getAdapter();
 106             if (adapter != null) {
 107                 adapter.editProfile(recyclerView, profile);
 108
 109                 // if invoked from the initial screen, get out so that when the new profile
 110                 // activity finishes the user i navigated to the main activity
 111                 if ((profile == null) && Data.profiles.getList().isEmpty()) finish();
 112             }
 113         }
 114     }
 115     void launchNewProfileActivity() {
 116         ProfilesRecyclerViewAdapter adapter =
 117                 (ProfilesRecyclerViewAdapter) recyclerView.getAdapter();
 118         if (adapter != null) adapter.editProfile(recyclerView, null);
 119     }
 120     private void setupRecyclerView(@NonNull RecyclerView recyclerView) {
 121         final ProfilesRecyclerViewAdapter adapter = new ProfilesRecyclerViewAdapter(this, mTwoPane);
 122         recyclerView.setAdapter(adapter);
 123         ItemTouchHelper.Callback cb = new ItemTouchHelper.Callback() {
 124             @Override
 125             public int getMovementFlags(@NonNull RecyclerView recyclerView,
 126                                         @NonNull RecyclerView.ViewHolder viewHolder) {
 127                 return makeMovementFlags(ItemTouchHelper.UP | ItemTouchHelper.DOWN, 0);
 128             }
 129             @Override
 130             public boolean onMove(@NonNull RecyclerView recyclerView,
 131                                   @NonNull RecyclerView.ViewHolder viewHolder,
 132                                   @NonNull RecyclerView.ViewHolder target) {
 133                 Collections.swap(Data.profiles.getList(), viewHolder.getAdapterPosition(),
 134                         target.getAdapterPosition());
 135                 MobileLedgerProfile.storeProfilesOrder();
 136                 adapter.notifyItemMoved(viewHolder.getAdapterPosition(),
 137                         target.getAdapterPosition());
 138                 return true;
 139             }
 140             @Override
 141             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
 142
 143             }
 144         };
 145         new ItemTouchHelper(cb).attachToRecyclerView(recyclerView);
 146         recyclerView.addItemDecoration(new DividerItemDecoration(recyclerView.getContext(),
 147                 DividerItemDecoration.VERTICAL));
 148     }
 149     @Override
 150     public boolean onCreateOptionsMenu(Menu menu) {
 151         getMenuInflater().inflate(R.menu.profile_list, menu);
 152         menu.findItem(R.id.menu_add_profile).setOnMenuItemClickListener(item -> {
 153             launchNewProfileActivity();
 154             return true;
 155         });
 156         return super.onCreateOptionsMenu(menu);
 157     }
 158     public static class ProfilesRecyclerViewAdapter
 159             extends RecyclerView.Adapter<ProfilesRecyclerViewAdapter.ProfileListViewHolder> {
 160
 161         private final ProfileListActivity mParentActivity;
 162         private final boolean mTwoPane;
 163         private final View.OnClickListener mOnClickListener = view -> {
 164             MobileLedgerProfile profile = (MobileLedgerProfile) ((View) view.getParent()).getTag();
 165             editProfile(view, profile);
 166         };
 167         ProfilesRecyclerViewAdapter(ProfileListActivity parent, boolean twoPane) {
 168             mParentActivity = parent;
 169             mTwoPane = twoPane;
 170             Data.profiles.addObserver((o, arg) -> {
 171                 Log.d("profiles", "profile list changed");
 172                 if (arg == null) notifyDataSetChanged();
 173                 else notifyItemChanged((int) arg);
 174             });
 175         }
 176         private void editProfile(View view, MobileLedgerProfile profile) {
 177             int index = Data.profiles.indexOf(profile);
 178             if (mTwoPane) {
 179                 Bundle arguments = new Bundle();
 180                 arguments.putInt(ProfileDetailFragment.ARG_ITEM_ID, index);
 181                 ProfileDetailFragment fragment = new ProfileDetailFragment();
 182                 fragment.setArguments(arguments);
 183                 mParentActivity.getSupportFragmentManager().beginTransaction()
 184                         .replace(R.id.profile_detail_container, fragment).commit();
 185             }
 186             else {
 187                 Context context = view.getContext();
 188                 Intent intent = new Intent(context, ProfileDetailActivity.class);
 189                 intent.addFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION);
 190                 if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 191
 192                 context.startActivity(intent);
 193             }
 194         }
 195         @NonNull
 196         @Override
 197         public ProfileListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 198             View view = LayoutInflater.from(parent.getContext())
 199                     .inflate(R.layout.profile_list_content, parent, false);
 200             ProfileListViewHolder holder = new ProfileListViewHolder(view);
 201
 202             holder.mRadioView.setOnCheckedChangeListener((buttonView, isChecked) -> {
 203                 if (!isChecked) return;
 204                 Log.d("profiles",
 205                         String.format("Item %d got checked", holder.getAdapterPosition()));
 206                 MobileLedgerProfile profile = (MobileLedgerProfile) holder.itemView.getTag();
 207                 if (profile != null) {
 208                     Log.d("profiles",
 209                             String.format("Setting current profile to %s", profile.getUuid()));
 210                     Data.setCurrentProfile(profile);
 211                 }
 212             });
 213             View.OnClickListener profileSelector = v -> holder.mRadioView.setChecked(true);
 214             holder.mTitle.setOnClickListener(profileSelector);
 215             holder.mSubTitle.setOnClickListener(profileSelector);
 216             Data.profile.addObserver((o, arg) -> {
 217                 MobileLedgerProfile myProfile = (MobileLedgerProfile) holder.itemView.getTag();
 218                 final MobileLedgerProfile currentProfile = Data.profile.get();
 219                 final boolean sameProfile = currentProfile.equals(myProfile);
 220                 if (holder.mRadioView.isChecked() != sameProfile) {
 221                     holder.mRadioView.setChecked(sameProfile);
 222                 }
 223             });
 224             return holder;
 225         }
 226         @Override
 227         public void onBindViewHolder(@NonNull final ProfileListViewHolder holder, int position) {
 228             final MobileLedgerProfile profile = Data.profiles.get(position);
 229             final MobileLedgerProfile currentProfile = Data.profile.get();
 230             Log.d("profiles", String.format("pos %d: %s, current: %s", position, profile.getUuid(),
 231                     (currentProfile == null) ? "<NULL>" : currentProfile.getUuid()));
 232             holder.itemView.setTag(profile);
 233             holder.mTitle.setText(profile.getName());
 234             holder.mSubTitle.setText(profile.getUrl());
 235             holder.mRadioView.setChecked(profile.equals(currentProfile));
 236
 237             holder.mEditButton.setOnClickListener(mOnClickListener);
 238         }
 239         @Override
 240         public int getItemCount() {
 241             return Data.profiles.size();
 242         }
 243         class ProfileListViewHolder extends RecyclerView.ViewHolder {
 244             final RadioButton mRadioView;
 245             final TextView mEditButton;
 246             final TextView mTitle, mSubTitle;
 247
 248             ProfileListViewHolder(View view) {
 249                 super(view);
 250                 mRadioView = view.findViewById(R.id.profile_list_radio);
 251                 mEditButton = view.findViewById(R.id.profile_list_edit_button);
 252                 mTitle = view.findViewById(R.id.title);
 253                 mSubTitle = view.findViewById(R.id.subtitle);
 254             }
 255         }
 256     }
 257 }