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