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