app/src/main/java/net/ktnx/mobileledger/ui/profiles/ProfilesRecyclerViewAdapter.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.content.Context;
  21 import android.content.Intent;
  22 import android.graphics.drawable.ColorDrawable;
  23 import android.view.LayoutInflater;
  24 import android.view.View;
  25 import android.view.ViewGroup;
  26 import android.view.animation.Animation;
  27 import android.view.animation.AnimationUtils;
  28 import android.widget.ImageView;
  29 import android.widget.LinearLayout;
  30 import android.widget.TextView;
  31
  32 import androidx.annotation.NonNull;
  33 import androidx.annotation.Nullable;
  34 import androidx.constraintlayout.widget.ConstraintLayout;
  35 import androidx.lifecycle.MutableLiveData;
  36 import androidx.recyclerview.widget.ItemTouchHelper;
  37 import androidx.recyclerview.widget.RecyclerView;
  38
  39 import net.ktnx.mobileledger.R;
  40 import net.ktnx.mobileledger.model.Data;
  41 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  42 import net.ktnx.mobileledger.ui.activity.ProfileDetailActivity;
  43 import net.ktnx.mobileledger.utils.Colors;
  44
  45 import java.lang.ref.WeakReference;
  46 import java.util.ArrayList;
  47 import java.util.Collections;
  48
  49 import static net.ktnx.mobileledger.utils.Logger.debug;
  50
  51 public class ProfilesRecyclerViewAdapter
  52         extends RecyclerView.Adapter<ProfilesRecyclerViewAdapter.ProfileListViewHolder> {
  53     private static WeakReference<ProfilesRecyclerViewAdapter> instanceRef;
  54     public final MutableLiveData<Boolean> editingProfiles = new MutableLiveData<>(false);
  55     private final View.OnClickListener mOnClickListener = view -> {
  56         MobileLedgerProfile profile = (MobileLedgerProfile) ((View) view.getParent()).getTag();
  57         editProfile(view, profile);
  58     };
  59     private final ItemTouchHelper rearrangeHelper;
  60     private RecyclerView recyclerView;
  61     private boolean animationsEnabled = true;
  62     public ProfilesRecyclerViewAdapter() {
  63         instanceRef = new WeakReference<>(this);
  64         debug("flow", "ProfilesRecyclerViewAdapter.new()");
  65
  66         ItemTouchHelper.Callback cb = new ItemTouchHelper.Callback() {
  67             @Override
  68             public int getMovementFlags(@NonNull RecyclerView recyclerView,
  69                                         @NonNull RecyclerView.ViewHolder viewHolder) {
  70                 return makeMovementFlags(ItemTouchHelper.UP | ItemTouchHelper.DOWN, 0);
  71             }
  72             @Override
  73             public boolean onMove(@NonNull RecyclerView recyclerView,
  74                                   @NonNull RecyclerView.ViewHolder viewHolder,
  75                                   @NonNull RecyclerView.ViewHolder target) {
  76                 final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
  77                 if (profiles == null)
  78                     throw new AssertionError();
  79                 Collections.swap(profiles, viewHolder.getAdapterPosition(),
  80                         target.getAdapterPosition());
  81                 MobileLedgerProfile.storeProfilesOrder();
  82                 notifyItemMoved(viewHolder.getAdapterPosition(), target.getAdapterPosition());
  83                 return true;
  84             }
  85             @Override
  86             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
  87             }
  88         };
  89         rearrangeHelper = new ItemTouchHelper(cb);
  90     }
  91     public static @Nullable
  92     ProfilesRecyclerViewAdapter getInstance() {
  93         return instanceRef.get();
  94     }
  95     public void setAnimationsEnabled(boolean animationsEnabled) {
  96         this.animationsEnabled = animationsEnabled;
  97     }
  98     @Override
  99     public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
 100         rearrangeHelper.attachToRecyclerView(null);
 101         super.onDetachedFromRecyclerView(recyclerView);
 102         this.recyclerView = null;
 103     }
 104     @Override
 105     public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
 106         super.onAttachedToRecyclerView(recyclerView);
 107         this.recyclerView = recyclerView;
 108         if (editingProfiles())
 109             rearrangeHelper.attachToRecyclerView(recyclerView);
 110     }
 111     public boolean editingProfiles() {
 112         final Boolean b = editingProfiles.getValue();
 113         if (b == null)
 114             return false;
 115         return b;
 116     }
 117     public void startEditingProfiles() {
 118         if (editingProfiles())
 119             return;
 120         this.editingProfiles.setValue(true);
 121         rearrangeHelper.attachToRecyclerView(recyclerView);
 122     }
 123     public void stopEditingProfiles() {
 124         if (!editingProfiles())
 125             return;
 126         this.editingProfiles.setValue(false);
 127         rearrangeHelper.attachToRecyclerView(null);
 128     }
 129     public void flipEditingProfiles() {
 130         if (editingProfiles())
 131             stopEditingProfiles();
 132         else
 133             startEditingProfiles();
 134     }
 135     private void editProfile(View view, MobileLedgerProfile profile) {
 136         int index = Data.getProfileIndex(profile);
 137         Context context = view.getContext();
 138         Intent intent = new Intent(context, ProfileDetailActivity.class);
 139         intent.addFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION);
 140         if (index != -1)
 141             intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 142
 143         context.startActivity(intent);
 144     }
 145     private void onProfileRowClicked(View v) {
 146         if (editingProfiles())
 147             return;
 148         MobileLedgerProfile profile = (MobileLedgerProfile) v.getTag();
 149         if (profile == null)
 150             throw new IllegalStateException("Profile row without associated profile");
 151         debug("profiles", "Setting profile to " + profile.getName());
 152         if (Data.getProfile() != profile)
 153             Data.drawerOpen.setValue(false);
 154         Data.setCurrentProfile(profile);
 155     }
 156     @NonNull
 157     @Override
 158     public ProfileListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 159         View view = LayoutInflater.from(parent.getContext())
 160                                   .inflate(R.layout.profile_list_content, parent, false);
 161         ProfileListViewHolder holder = new ProfileListViewHolder(view);
 162
 163         holder.mRow.setOnClickListener(this::onProfileRowClicked);
 164         holder.mTitle.setOnClickListener(v -> {
 165             View row = (View) v.getParent();
 166             onProfileRowClicked(row);
 167         });
 168         holder.mColorTag.setOnClickListener(v -> {
 169             View row = (View) v.getParent()
 170                                .getParent();
 171             onProfileRowClicked(row);
 172         });
 173         holder.mTitle.setOnLongClickListener(v -> {
 174             flipEditingProfiles();
 175             return true;
 176         });
 177
 178         View.OnTouchListener dragStarter = (v, event) -> {
 179             if (rearrangeHelper != null && editingProfiles()) {
 180                 rearrangeHelper.startDrag(holder);
 181                 return true;
 182             }
 183             return false;
 184         };
 185
 186         holder.tagAndHandleLayout.setOnTouchListener(dragStarter);
 187         return holder;
 188     }
 189     @Override
 190     public void onBindViewHolder(@NonNull final ProfileListViewHolder holder, int position) {
 191         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 192         if (profiles == null)
 193             throw new AssertionError();
 194         final MobileLedgerProfile profile = profiles.get(position);
 195         final MobileLedgerProfile currentProfile = Data.getProfile();
 196 //        debug("profiles", String.format(Locale.ENGLISH, "pos %d: %s, current: %s", position,
 197 //                profile.getUuid(), currentProfile.getUuid()));
 198         holder.itemView.setTag(profile);
 199
 200         int hue = profile.getThemeHue();
 201         if (hue == -1)
 202             holder.mColorTag.setBackgroundColor(
 203                     Colors.getPrimaryColorForHue(Colors.DEFAULT_HUE_DEG));
 204         else
 205             holder.mColorTag.setBackgroundColor(Colors.getPrimaryColorForHue(hue));
 206
 207         holder.mTitle.setText(profile.getName());
 208 //            holder.mSubTitle.setText(profile.getUrl());
 209
 210         holder.mEditButton.setOnClickListener(mOnClickListener);
 211
 212         final boolean sameProfile = currentProfile.equals(profile);
 213         holder.itemView.setBackground(
 214                 sameProfile ? new ColorDrawable(Colors.tableRowDarkBG) : null);
 215         if (editingProfiles()) {
 216             boolean wasHidden = holder.mEditButton.getVisibility() == View.GONE;
 217             holder.mRearrangeHandle.setVisibility(View.VISIBLE);
 218             holder.mEditButton.setVisibility(View.VISIBLE);
 219             if (wasHidden && animationsEnabled) {
 220                 Animation a = AnimationUtils.loadAnimation(holder.mRearrangeHandle.getContext(),
 221                         R.anim.fade_in);
 222                 holder.mRearrangeHandle.startAnimation(a);
 223                 holder.mEditButton.startAnimation(a);
 224             }
 225         }
 226         else {
 227             boolean wasShown = holder.mEditButton.getVisibility() == View.VISIBLE;
 228             holder.mRearrangeHandle.setVisibility(View.INVISIBLE);
 229             holder.mEditButton.setVisibility(View.GONE);
 230             if (wasShown && animationsEnabled) {
 231                 Animation a = AnimationUtils.loadAnimation(holder.mRearrangeHandle.getContext(),
 232                         R.anim.fade_out);
 233                 holder.mRearrangeHandle.startAnimation(a);
 234                 holder.mEditButton.startAnimation(a);
 235             }
 236         }
 237     }
 238     @Override
 239     public int getItemCount() {
 240         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 241         return profiles != null ? profiles.size() : 0;
 242     }
 243     static class ProfileListViewHolder extends RecyclerView.ViewHolder {
 244         final TextView mEditButton;
 245         final TextView mTitle, mColorTag;
 246         final LinearLayout tagAndHandleLayout;
 247         final ImageView mRearrangeHandle;
 248         final ConstraintLayout mRow;
 249
 250         ProfileListViewHolder(View view) {
 251             super(view);
 252             mEditButton = view.findViewById(R.id.profile_list_edit_button);
 253             mTitle = view.findViewById(R.id.title);
 254             mColorTag = view.findViewById(R.id.colorTag);
 255             mRearrangeHandle = view.findViewById(R.id.profile_list_rearrange_handle);
 256             tagAndHandleLayout = view.findViewById(R.id.handle_and_tag);
 257             mRow = (ConstraintLayout) view;
 258         }
 259     }
 260 }