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