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

   1 /*
   2  * Copyright © 2019 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 import java.util.Locale;
  49
  50 import static net.ktnx.mobileledger.utils.Logger.debug;
  51
  52 public class ProfilesRecyclerViewAdapter
  53         extends RecyclerView.Adapter<ProfilesRecyclerViewAdapter.ProfileListViewHolder> {
  54     private static WeakReference<ProfilesRecyclerViewAdapter> instanceRef;
  55     private final View.OnClickListener mOnClickListener = view -> {
  56         MobileLedgerProfile profile = (MobileLedgerProfile) ((View) view.getParent()).getTag();
  57         editProfile(view, profile);
  58     };
  59     public MutableLiveData<Boolean> editingProfiles = new MutableLiveData<>(false);
  60     private RecyclerView recyclerView;
  61     private ItemTouchHelper rearrangeHelper;
  62     private boolean animationsEnabled = true;
  63     public ProfilesRecyclerViewAdapter() {
  64         instanceRef = new WeakReference<>(this);
  65         debug("flow", "ProfilesRecyclerViewAdapter.new()");
  66
  67         ItemTouchHelper.Callback cb = new ItemTouchHelper.Callback() {
  68             @Override
  69             public int getMovementFlags(@NonNull RecyclerView recyclerView,
  70                                         @NonNull RecyclerView.ViewHolder viewHolder) {
  71                 return makeMovementFlags(ItemTouchHelper.UP | ItemTouchHelper.DOWN, 0);
  72             }
  73             @Override
  74             public boolean onMove(@NonNull RecyclerView recyclerView,
  75                                   @NonNull RecyclerView.ViewHolder viewHolder,
  76                                   @NonNull RecyclerView.ViewHolder target) {
  77                 final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
  78                 if (profiles == null) 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.getValue()) rearrangeHelper.attachToRecyclerView(recyclerView);
 109     }
 110     public void startEditingProfiles() {
 111         if (editingProfiles.getValue()) return;
 112         this.editingProfiles.setValue(true);
 113         rearrangeHelper.attachToRecyclerView(recyclerView);
 114     }
 115     public void stopEditingProfiles() {
 116         if (!editingProfiles.getValue()) return;
 117         this.editingProfiles.setValue(false);
 118         rearrangeHelper.attachToRecyclerView(null);
 119     }
 120     public void flipEditingProfiles() {
 121         if (editingProfiles.getValue()) stopEditingProfiles();
 122         else startEditingProfiles();
 123     }
 124     private void editProfile(View view, MobileLedgerProfile profile) {
 125         int index = Data.getProfileIndex(profile);
 126         Context context = view.getContext();
 127         Intent intent = new Intent(context, ProfileDetailActivity.class);
 128         intent.addFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION);
 129         if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 130
 131         context.startActivity(intent);
 132     }
 133     private void onProfileRowClicked(View v) {
 134         if (editingProfiles.getValue()) return;
 135         MobileLedgerProfile profile = (MobileLedgerProfile) v.getTag();
 136         if (profile == null)
 137             throw new IllegalStateException("Profile row without associated profile");
 138         debug("profiles", "Setting profile to " + profile.getName());
 139         Data.setCurrentProfile(profile);
 140     }
 141     @NonNull
 142     @Override
 143     public ProfileListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 144         View view = LayoutInflater.from(parent.getContext())
 145                 .inflate(R.layout.profile_list_content, parent, false);
 146         ProfileListViewHolder holder = new ProfileListViewHolder(view);
 147
 148         holder.mRow.setOnClickListener(this::onProfileRowClicked);
 149         holder.mTitle.setOnClickListener(v -> {
 150             View row = (View) v.getParent();
 151             onProfileRowClicked(row);
 152         });
 153         holder.mColorTag.setOnClickListener(v -> {
 154             View row = (View) v.getParent().getParent();
 155             onProfileRowClicked(row);
 156         });
 157         holder.mTitle.setOnLongClickListener(v -> {
 158             flipEditingProfiles();
 159             return true;
 160         });
 161
 162         View.OnTouchListener dragStarter = (v, event) -> {
 163             if (rearrangeHelper != null && editingProfiles.getValue()) {
 164                 rearrangeHelper.startDrag(holder);
 165                 return true;
 166             }
 167             return false;
 168         };
 169
 170         holder.tagAndHandleLayout.setOnTouchListener(dragStarter);
 171         return holder;
 172     }
 173     @Override
 174     public void onBindViewHolder(@NonNull final ProfileListViewHolder holder, int position) {
 175         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 176         if (profiles == null) throw new AssertionError();
 177         final MobileLedgerProfile profile = profiles.get(position);
 178         final MobileLedgerProfile currentProfile = Data.profile.getValue();
 179         debug("profiles", String.format(Locale.ENGLISH, "pos %d: %s, current: %s", position,
 180                 profile.getUuid(), (currentProfile == null) ? "<NULL>" : currentProfile.getUuid()));
 181         holder.itemView.setTag(profile);
 182
 183         int hue = profile.getThemeHue();
 184         if (hue == -1) holder.mColorTag
 185                 .setBackgroundColor(Colors.getPrimaryColorForHue(Colors.DEFAULT_HUE_DEG));
 186         else holder.mColorTag.setBackgroundColor(Colors.getPrimaryColorForHue(hue));
 187
 188         holder.mTitle.setText(profile.getName());
 189 //            holder.mSubTitle.setText(profile.getUrl());
 190
 191         holder.mEditButton.setOnClickListener(mOnClickListener);
 192
 193         final boolean sameProfile = (currentProfile != null) && currentProfile.equals(profile);
 194         holder.itemView
 195                 .setBackground(sameProfile ? new ColorDrawable(Colors.tableRowDarkBG) : null);
 196         if (editingProfiles.getValue()) {
 197             boolean wasHidden = holder.mEditButton.getVisibility() == View.GONE;
 198             holder.mRearrangeHandle.setVisibility(View.VISIBLE);
 199             holder.mEditButton.setVisibility(View.VISIBLE);
 200             if (wasHidden && animationsEnabled) {
 201                 Animation a = AnimationUtils
 202                         .loadAnimation(holder.mRearrangeHandle.getContext(), R.anim.fade_in);
 203                 holder.mRearrangeHandle.startAnimation(a);
 204                 holder.mEditButton.startAnimation(a);
 205             }
 206         }
 207         else {
 208             boolean wasShown = holder.mEditButton.getVisibility() == View.VISIBLE;
 209             holder.mRearrangeHandle.setVisibility(View.INVISIBLE);
 210             holder.mEditButton.setVisibility(View.GONE);
 211             if (wasShown && animationsEnabled) {
 212                 Animation a = AnimationUtils
 213                         .loadAnimation(holder.mRearrangeHandle.getContext(), R.anim.fade_out);
 214                 holder.mRearrangeHandle.startAnimation(a);
 215                 holder.mEditButton.startAnimation(a);
 216             }
 217         }
 218     }
 219     @Override
 220     public int getItemCount() {
 221         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 222         return profiles != null ? profiles.size() : 0;
 223     }
 224     class ProfileListViewHolder extends RecyclerView.ViewHolder {
 225         final TextView mEditButton;
 226         final TextView mTitle, mColorTag;
 227         final LinearLayout tagAndHandleLayout;
 228         final ImageView mRearrangeHandle;
 229         final ConstraintLayout mRow;
 230
 231         ProfileListViewHolder(View view) {
 232             super(view);
 233             mEditButton = view.findViewById(R.id.profile_list_edit_button);
 234             mTitle = view.findViewById(R.id.title);
 235             mColorTag = view.findViewById(R.id.colorTag);
 236             mRearrangeHandle = view.findViewById(R.id.profile_list_rearrange_handle);
 237             tagAndHandleLayout = view.findViewById(R.id.handle_and_tag);
 238             mRow = (ConstraintLayout) view;
 239         }
 240     }
 241 }