app/src/main/java/net/ktnx/mobileledger/ui/account_summary/AccountSummaryAdapter.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.account_summary;
  19
  20 import android.content.Context;
  21 import android.content.res.Resources;
  22 import android.graphics.Typeface;
  23 import android.util.Log;
  24 import android.view.LayoutInflater;
  25 import android.view.View;
  26 import android.view.ViewGroup;
  27 import android.widget.CheckBox;
  28 import android.widget.FrameLayout;
  29 import android.widget.ImageView;
  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.LedgerAccount;
  35 import net.ktnx.mobileledger.ui.activity.MainActivity;
  36 import net.ktnx.mobileledger.utils.LockHolder;
  37
  38 import androidx.annotation.NonNull;
  39 import androidx.appcompat.app.AlertDialog;
  40 import androidx.constraintlayout.widget.ConstraintLayout;
  41 import androidx.recyclerview.widget.RecyclerView;
  42
  43 public class AccountSummaryAdapter
  44         extends RecyclerView.Adapter<AccountSummaryAdapter.LedgerRowHolder> {
  45     public static final int AMOUNT_LIMIT = 3;
  46     private boolean selectionActive;
  47
  48     AccountSummaryAdapter() {
  49         this.selectionActive = false;
  50     }
  51
  52     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  53         try (LockHolder lh = Data.accounts.lockForReading()) {
  54             if (position < Data.accounts.size()) {
  55                 LedgerAccount acc = Data.accounts.get(position);
  56                 Context ctx = holder.row.getContext();
  57                 Resources rm = ctx.getResources();
  58
  59                 holder.row.setTag(acc);
  60                 holder.row.setVisibility(View.VISIBLE);
  61                 holder.vTrailer.setVisibility(View.GONE);
  62                 holder.tvAccountName.setText(acc.getShortName());
  63                 ConstraintLayout.LayoutParams lp =
  64                         (ConstraintLayout.LayoutParams) holder.tvAccountName.getLayoutParams();
  65                 lp.setMarginStart(
  66                         acc.getLevel() * rm.getDimensionPixelSize(R.dimen.thumb_row_height) / 2);
  67                 holder.expanderContainer
  68                         .setVisibility(acc.hasSubAccounts() ? View.VISIBLE : View.INVISIBLE);
  69                 holder.expanderContainer.setRotation(acc.isExpanded() ? 0 : 180);
  70                 int amounts = acc.getAmountCount();
  71                 if ((amounts > AMOUNT_LIMIT) && !acc.amountsExpanded()) {
  72                     holder.tvAccountAmounts.setText(acc.getAmountsString(AMOUNT_LIMIT));
  73                     holder.accountExpanderContainer.setVisibility(View.VISIBLE);
  74                 }
  75                 else {
  76                     holder.tvAccountAmounts.setText(acc.getAmountsString());
  77                     holder.accountExpanderContainer.setVisibility(View.GONE);
  78                 }
  79
  80                 if (acc.isHiddenByStar()) {
  81                     holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  82                     holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  83                 }
  84                 else {
  85                     holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
  86                     holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
  87                 }
  88
  89                 holder.selectionCb.setVisibility(selectionActive ? View.VISIBLE : View.GONE);
  90                 holder.selectionCb.setChecked(!acc.isHiddenByStarToBe());
  91
  92                 holder.row.setTag(R.id.POS, position);
  93             }
  94             else {
  95                 holder.vTrailer.setVisibility(View.VISIBLE);
  96                 holder.row.setVisibility(View.GONE);
  97             }
  98         }
  99     }
 100
 101     @NonNull
 102     @Override
 103     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 104         View row = LayoutInflater.from(parent.getContext())
 105                 .inflate(R.layout.account_summary_row, parent, false);
 106         return new LedgerRowHolder(row);
 107     }
 108
 109     @Override
 110     public int getItemCount() {
 111         return Data.accounts.size() + 1;
 112     }
 113     public void startSelection() {
 114         try (LockHolder lh = Data.accounts.lockForWriting()) {
 115             for (int i = 0; i < Data.accounts.size(); i++) {
 116                 LedgerAccount acc = Data.accounts.get(i);
 117                 acc.setHiddenByStarToBe(acc.isHiddenByStar());
 118             }
 119             this.selectionActive = true;
 120             lh.downgrade();
 121             notifyDataSetChanged();
 122         }
 123     }
 124
 125     public void stopSelection() {
 126         this.selectionActive = false;
 127         notifyDataSetChanged();
 128     }
 129
 130     public boolean isSelectionActive() {
 131         return selectionActive;
 132     }
 133
 134     public void selectItem(int position) {
 135         try (LockHolder lh = Data.accounts.lockForWriting()) {
 136             LedgerAccount acc = Data.accounts.get(position);
 137             acc.toggleHiddenToBe();
 138             toggleChildrenOf(acc, acc.isHiddenByStarToBe(), position);
 139             notifyItemChanged(position);
 140         }
 141     }
 142     void toggleChildrenOf(LedgerAccount parent, boolean hiddenToBe, int parentPosition) {
 143         int i = parentPosition + 1;
 144         try (LockHolder lh = Data.accounts.lockForWriting()) {
 145             for (int j = 0; j < Data.accounts.size(); j++) {
 146                 LedgerAccount acc = Data.accounts.get(j);
 147                 if (acc.getName().startsWith(parent.getName() + ":")) {
 148                     acc.setHiddenByStarToBe(hiddenToBe);
 149                     notifyItemChanged(i);
 150                     toggleChildrenOf(acc, hiddenToBe, i);
 151                     i++;
 152                 }
 153             }
 154         }
 155     }
 156
 157     class LedgerRowHolder extends RecyclerView.ViewHolder {
 158         CheckBox selectionCb;
 159         TextView tvAccountName, tvAccountAmounts;
 160         ConstraintLayout row;
 161         View vTrailer;
 162         FrameLayout expanderContainer;
 163         ImageView expander;
 164         FrameLayout accountExpanderContainer;
 165         public LedgerRowHolder(@NonNull View itemView) {
 166             super(itemView);
 167             this.row = itemView.findViewById(R.id.account_summary_row);
 168             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 169             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 170             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 171             this.vTrailer = itemView.findViewById(R.id.account_summary_trailer);
 172             this.expanderContainer = itemView.findViewById(R.id.account_expander_container);
 173             this.expander = itemView.findViewById(R.id.account_expander);
 174             this.accountExpanderContainer =
 175                     itemView.findViewById(R.id.account_row_amounts_expander_container);
 176
 177             expanderContainer.addOnLayoutChangeListener(
 178                     (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
 179                         int w = right - left;
 180                         int h = bottom - top;
 181                         if (h > w) {
 182                             int p = (h - w) / 2;
 183                             v.setPadding(0, p, 0, p);
 184                         }
 185                         else v.setPadding(0, 0, 0, 0);
 186                     });
 187
 188             itemView.setOnLongClickListener(this::onItemLongClick);
 189             tvAccountName.setOnLongClickListener(this::onItemLongClick);
 190             tvAccountAmounts.setOnLongClickListener(this::onItemLongClick);
 191             expanderContainer.setOnLongClickListener(this::onItemLongClick);
 192             expander.setOnLongClickListener(this::onItemLongClick);
 193         }
 194         private boolean onItemLongClick(View v) {
 195             MainActivity activity = (MainActivity) v.getContext();
 196             AlertDialog.Builder builder = new AlertDialog.Builder(activity);
 197             View row;
 198             int id = v.getId();
 199             switch (id) {
 200                 case R.id.account_summary_row:
 201                     row = v;
 202                     break;
 203                 case R.id.account_root:
 204                     row = v.findViewById(R.id.account_summary_row);
 205                     break;
 206                 case R.id.account_row_acc_name:
 207                 case R.id.account_row_acc_amounts:
 208                 case R.id.account_expander_container:
 209                     row = (View) v.getParent();
 210                     break;
 211                 case R.id.account_expander:
 212                     row = (View) v.getParent().getParent();
 213                     break;
 214                 default:
 215                     Log.e("error", String.format("Don't know how to handle long click on id ", id));
 216                     return false;
 217             }
 218             LedgerAccount acc = (LedgerAccount) row.findViewById(R.id.account_summary_row).getTag();
 219             builder.setTitle(acc.getName());
 220             builder.setItems(R.array.acc_ctx_menu, (dialog, which) -> {
 221                 switch (which) {
 222                     case 0:
 223                         // show transactions
 224                         activity.showAccountTransactions(acc);
 225                         break;
 226                 }
 227                 dialog.dismiss();
 228             });
 229             builder.show();
 230             return true;
 231         }
 232     }
 233 }