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 Mobile-Ledger. 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.util.Log;
  24 import android.view.LayoutInflater;
  25 import android.view.View;
  26 import android.view.ViewGroup;
  27 import android.widget.ImageView;
  28 import android.widget.LinearLayout;
  29 import android.widget.TextView;
  30
  31 import net.ktnx.mobileledger.R;
  32 import net.ktnx.mobileledger.model.Data;
  33 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  34 import net.ktnx.mobileledger.ui.activity.ProfileDetailActivity;
  35 import net.ktnx.mobileledger.utils.Colors;
  36 import net.ktnx.mobileledger.utils.ObservableValue;
  37
  38 import java.util.Collections;
  39 import java.util.Observer;
  40
  41 import androidx.annotation.NonNull;
  42 import androidx.recyclerview.widget.ItemTouchHelper;
  43 import androidx.recyclerview.widget.RecyclerView;
  44
  45 public class ProfilesRecyclerViewAdapter
  46         extends RecyclerView.Adapter<ProfilesRecyclerViewAdapter.ProfileListViewHolder> {
  47     private final View.OnClickListener mOnClickListener = view -> {
  48         MobileLedgerProfile profile = (MobileLedgerProfile) ((View) view.getParent()).getTag();
  49         editProfile(view, profile);
  50     };
  51     private ObservableValue<Boolean> editingProfiles = new ObservableValue<>(false);
  52     public void addEditingProfilesObserver(Observer o) {
  53         editingProfiles.addObserver(o);
  54     }
  55     public void deleteEditingProfilesObserver(Observer o) {
  56         editingProfiles.deleteObserver(o);
  57     }
  58     private RecyclerView recyclerView;
  59     private ItemTouchHelper rearrangeHelper;
  60     public ProfilesRecyclerViewAdapter() {
  61         Data.profiles.addObserver((o, arg) -> {
  62             Log.d("profiles", "profile list changed");
  63             if (arg == null) notifyDataSetChanged();
  64             else notifyItemChanged((int) arg);
  65         });
  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                 Collections.swap(Data.profiles.getList(), viewHolder.getAdapterPosition(),
  78                         target.getAdapterPosition());
  79                 MobileLedgerProfile.storeProfilesOrder();
  80                 notifyItemMoved(viewHolder.getAdapterPosition(), target.getAdapterPosition());
  81                 return true;
  82             }
  83             @Override
  84             public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int i) {
  85             }
  86         };
  87         rearrangeHelper = new ItemTouchHelper(cb);
  88     }
  89     @Override
  90     public void onDetachedFromRecyclerView(@NonNull RecyclerView recyclerView) {
  91         rearrangeHelper.attachToRecyclerView(null);
  92         super.onDetachedFromRecyclerView(recyclerView);
  93         this.recyclerView = null;
  94     }
  95     @Override
  96     public void onAttachedToRecyclerView(@NonNull RecyclerView recyclerView) {
  97         super.onAttachedToRecyclerView(recyclerView);
  98         this.recyclerView = recyclerView;
  99         if (editingProfiles.get()) rearrangeHelper.attachToRecyclerView(recyclerView);
 100     }
 101     public void startEditingProfiles() {
 102         if (editingProfiles.get()) return;
 103         this.editingProfiles.set(true);
 104         notifyDataSetChanged();
 105         rearrangeHelper.attachToRecyclerView(recyclerView);
 106     }
 107     public void stopEditingProfiles() {
 108         if (!editingProfiles.get()) return;
 109         this.editingProfiles.set(false);
 110         notifyDataSetChanged();
 111         rearrangeHelper.attachToRecyclerView(null);
 112     }
 113     public void flipEditingProfiles() {
 114         if (editingProfiles.get()) stopEditingProfiles();
 115         else startEditingProfiles();
 116     }
 117     private void editProfile(View view, MobileLedgerProfile profile) {
 118         int index = Data.profiles.indexOf(profile);
 119         Context context = view.getContext();
 120         Intent intent = new Intent(context, ProfileDetailActivity.class);
 121         intent.addFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION);
 122         if (index != -1) intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
 123
 124         context.startActivity(intent);
 125     }
 126     @NonNull
 127     @Override
 128     public ProfileListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 129         View view = LayoutInflater.from(parent.getContext())
 130                 .inflate(R.layout.profile_list_content, parent, false);
 131         ProfileListViewHolder holder = new ProfileListViewHolder(view);
 132
 133         holder.mTitle.setOnClickListener(v -> {
 134             View row = (View) v.getParent();
 135             MobileLedgerProfile profile = (MobileLedgerProfile) row.getTag();
 136             if (profile == null)
 137                 throw new IllegalStateException("Profile row without associated profile");
 138             Log.d("profiles", "Setting profile to " + profile.getName());
 139             Data.setCurrentProfile(profile);
 140         });
 141         holder.mTitle.setOnLongClickListener(v -> {
 142             flipEditingProfiles();
 143             return true;
 144         });
 145         Data.profile.addObserver((o, arg) -> {
 146             MobileLedgerProfile myProfile = (MobileLedgerProfile) holder.itemView.getTag();
 147             final MobileLedgerProfile currentProfile = Data.profile.get();
 148             final boolean sameProfile = currentProfile.equals(myProfile);
 149             view.setAlpha(sameProfile ? 1 : 0.5f);
 150         });
 151
 152         View.OnTouchListener dragStarter = (v, event) -> {
 153             if (rearrangeHelper != null && editingProfiles.get()) {
 154                 rearrangeHelper.startDrag(holder);
 155                 return true;
 156             }
 157             return false;
 158         };
 159
 160         holder.tagAndHandleLayout.setOnTouchListener(dragStarter);
 161         return holder;
 162     }
 163     @Override
 164     public void onBindViewHolder(@NonNull final ProfileListViewHolder holder, int position) {
 165         final MobileLedgerProfile profile = Data.profiles.get(position);
 166         final MobileLedgerProfile currentProfile = Data.profile.get();
 167         Log.d("profiles", String.format("pos %d: %s, current: %s", position, profile.getUuid(),
 168                 (currentProfile == null) ? "<NULL>" : currentProfile.getUuid()));
 169         holder.itemView.setTag(profile);
 170
 171         int hue = profile.getThemeId();
 172         if (hue == -1) holder.mColorTag
 173                 .setBackgroundColor(Colors.getPrimaryColorForHue(Colors.DEFAULT_HUE_DEG));
 174         else holder.mColorTag.setBackgroundColor(Colors.getPrimaryColorForHue(hue));
 175
 176         holder.mTitle.setText(profile.getName());
 177 //            holder.mSubTitle.setText(profile.getUrl());
 178
 179         holder.mEditButton.setOnClickListener(mOnClickListener);
 180
 181         final boolean sameProfile = currentProfile.equals(profile);
 182         holder.itemView.setAlpha(sameProfile ? 1 : 0.5f);
 183         holder.itemView
 184                 .setBackground(sameProfile ? new ColorDrawable(Colors.tableRowDarkBG) : null);
 185         if (editingProfiles.get()) {
 186             holder.mRearrangeHandle.setVisibility(View.VISIBLE);
 187             holder.mEditButton.setVisibility(View.VISIBLE);
 188         }
 189         else {
 190             holder.mRearrangeHandle.setVisibility(View.INVISIBLE);
 191             holder.mEditButton.setVisibility(View.GONE);
 192         }
 193     }
 194     @Override
 195     public int getItemCount() {
 196         return Data.profiles.size();
 197     }
 198     public boolean isEditingProfiles() {
 199         return editingProfiles.get();
 200     }
 201     class ProfileListViewHolder extends RecyclerView.ViewHolder {
 202         final TextView mEditButton;
 203         final TextView mTitle, mColorTag;
 204         final LinearLayout tagAndHandleLayout;
 205         final ImageView mRearrangeHandle;
 206
 207         ProfileListViewHolder(View view) {
 208             super(view);
 209             mEditButton = view.findViewById(R.id.profile_list_edit_button);
 210             mTitle = view.findViewById(R.id.title);
 211             mColorTag = view.findViewById(R.id.colorTag);
 212             mRearrangeHandle = view.findViewById(R.id.profile_list_rearrange_handle);
 213             tagAndHandleLayout = view.findViewById(R.id.handle_and_tag);
 214         }
 215     }
 216 }