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 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 final 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)
  79                     throw new AssertionError();
  80                 Collections.swap(profiles, viewHolder.getAdapterPosition(),
  81                         target.getAdapterPosition());
  82                 MobileLedgerProfile.storeProfilesOrder();
  83                 notifyItemMoved(viewHolder.getAdapterPosition(), target.getAdapterPosition());
  84                 return true;
  85             }
  86             @Override
  87             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
  88             }
  89         };
  90         rearrangeHelper = new ItemTouchHelper(cb);
  91     }
  92     public static @Nullable
  93     ProfilesRecyclerViewAdapter getInstance() {
  94         return instanceRef.get();
  95     }
  96     public void setAnimationsEnabled(boolean animationsEnabled) {
  97         this.animationsEnabled = animationsEnabled;
  98     }
  99     @Override
 100     public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
 101         rearrangeHelper.attachToRecyclerView(null);
 102         super.onDetachedFromRecyclerView(recyclerView);
 103         this.recyclerView = null;
 104     }
 105     @Override
 106     public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
 107         super.onAttachedToRecyclerView(recyclerView);
 108         this.recyclerView = recyclerView;
 109         if (editingProfiles())
 110             rearrangeHelper.attachToRecyclerView(recyclerView);
 111     }
 112     public boolean editingProfiles() {
 113         final Boolean b = editingProfiles.getValue();
 114         if (b == null)
 115             return false;
 116         return b;
 117     }
 118     public void startEditingProfiles() {
 119         if (editingProfiles())
 120             return;
 121         this.editingProfiles.setValue(true);
 122         rearrangeHelper.attachToRecyclerView(recyclerView);
 123     }
 124     public void stopEditingProfiles() {
 125         if (!editingProfiles())
 126             return;
 127         this.editingProfiles.setValue(false);
 128         rearrangeHelper.attachToRecyclerView(null);
 129     }
 130     public void flipEditingProfiles() {
 131         if (editingProfiles())
 132             stopEditingProfiles();
 133         else
 134             startEditingProfiles();
 135     }
 136     private void editProfile(View view, MobileLedgerProfile profile) {
 137         int index = Data.getProfileIndex(profile);
 138         Context context = view.getContext();
 139         Intent intent = new Intent(context, ProfileDetailActivity.class);
 140         intent.addFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION);
 141         if (index != -1)
 142             intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 143
 144         context.startActivity(intent);
 145     }
 146     private void onProfileRowClicked(View v) {
 147         if (editingProfiles())
 148             return;
 149         MobileLedgerProfile profile = (MobileLedgerProfile) v.getTag();
 150         if (profile == null)
 151             throw new IllegalStateException("Profile row without associated profile");
 152         debug("profiles", "Setting profile to " + profile.getName());
 153         if (Data.getProfile() != profile)
 154             Data.drawerOpen.setValue(false);
 155         Data.setCurrentProfile(profile);
 156     }
 157     @NonNull
 158     @Override
 159     public ProfileListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 160         View view = LayoutInflater.from(parent.getContext())
 161                                   .inflate(R.layout.profile_list_content, parent, false);
 162         ProfileListViewHolder holder = new ProfileListViewHolder(view);
 163
 164         holder.mRow.setOnClickListener(this::onProfileRowClicked);
 165         holder.mTitle.setOnClickListener(v -> {
 166             View row = (View) v.getParent();
 167             onProfileRowClicked(row);
 168         });
 169         holder.mColorTag.setOnClickListener(v -> {
 170             View row = (View) v.getParent()
 171                                .getParent();
 172             onProfileRowClicked(row);
 173         });
 174         holder.mTitle.setOnLongClickListener(v -> {
 175             flipEditingProfiles();
 176             return true;
 177         });
 178
 179         View.OnTouchListener dragStarter = (v, event) -> {
 180             if (rearrangeHelper != null && editingProfiles()) {
 181                 rearrangeHelper.startDrag(holder);
 182                 return true;
 183             }
 184             return false;
 185         };
 186
 187         holder.tagAndHandleLayout.setOnTouchListener(dragStarter);
 188         return holder;
 189     }
 190     @Override
 191     public void onBindViewHolder(@NonNull final ProfileListViewHolder holder, int position) {
 192         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 193         if (profiles == null)
 194             throw new AssertionError();
 195         final MobileLedgerProfile profile = profiles.get(position);
 196         final MobileLedgerProfile currentProfile = Data.getProfile();
 197         debug("profiles", String.format(Locale.ENGLISH, "pos %d: %s, current: %s", position,
 198                 profile.getUuid(), currentProfile.getUuid()));
 199         holder.itemView.setTag(profile);
 200
 201         int hue = profile.getThemeHue();
 202         if (hue == -1)
 203             holder.mColorTag.setBackgroundColor(
 204                     Colors.getPrimaryColorForHue(Colors.DEFAULT_HUE_DEG));
 205         else
 206             holder.mColorTag.setBackgroundColor(Colors.getPrimaryColorForHue(hue));
 207
 208         holder.mTitle.setText(profile.getName());
 209 //            holder.mSubTitle.setText(profile.getUrl());
 210
 211         holder.mEditButton.setOnClickListener(mOnClickListener);
 212
 213         final boolean sameProfile = currentProfile.equals(profile);
 214         holder.itemView.setBackground(
 215                 sameProfile ? new ColorDrawable(Colors.tableRowDarkBG) : null);
 216         if (editingProfiles()) {
 217             boolean wasHidden = holder.mEditButton.getVisibility() == View.GONE;
 218             holder.mRearrangeHandle.setVisibility(View.VISIBLE);
 219             holder.mEditButton.setVisibility(View.VISIBLE);
 220             if (wasHidden && animationsEnabled) {
 221                 Animation a = AnimationUtils.loadAnimation(holder.mRearrangeHandle.getContext(),
 222                         R.anim.fade_in);
 223                 holder.mRearrangeHandle.startAnimation(a);
 224                 holder.mEditButton.startAnimation(a);
 225             }
 226         }
 227         else {
 228             boolean wasShown = holder.mEditButton.getVisibility() == View.VISIBLE;
 229             holder.mRearrangeHandle.setVisibility(View.INVISIBLE);
 230             holder.mEditButton.setVisibility(View.GONE);
 231             if (wasShown && animationsEnabled) {
 232                 Animation a = AnimationUtils.loadAnimation(holder.mRearrangeHandle.getContext(),
 233                         R.anim.fade_out);
 234                 holder.mRearrangeHandle.startAnimation(a);
 235                 holder.mEditButton.startAnimation(a);
 236             }
 237         }
 238     }
 239     @Override
 240     public int getItemCount() {
 241         final ArrayList<MobileLedgerProfile> profiles = Data.profiles.getValue();
 242         return profiles != null ? profiles.size() : 0;
 243     }
 244     static class ProfileListViewHolder extends RecyclerView.ViewHolder {
 245         final TextView mEditButton;
 246         final TextView mTitle, mColorTag;
 247         final LinearLayout tagAndHandleLayout;
 248         final ImageView mRearrangeHandle;
 249         final ConstraintLayout mRow;
 250
 251         ProfileListViewHolder(View view) {
 252             super(view);
 253             mEditButton = view.findViewById(R.id.profile_list_edit_button);
 254             mTitle = view.findViewById(R.id.title);
 255             mColorTag = view.findViewById(R.id.colorTag);
 256             mRearrangeHandle = view.findViewById(R.id.profile_list_rearrange_handle);
 257             tagAndHandleLayout = view.findViewById(R.id.handle_and_tag);
 258             mRow = (ConstraintLayout) view;
 259         }
 260     }
 261 }