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.ImageView;
  28 import android.widget.TextView;
  29
  30 import net.ktnx.mobileledger.R;
  31 import net.ktnx.mobileledger.model.Data;
  32 import net.ktnx.mobileledger.model.LedgerAccount;
  33 import net.ktnx.mobileledger.ui.activity.MainActivity;
  34 import net.ktnx.mobileledger.utils.LockHolder;
  35
  36 import androidx.annotation.NonNull;
  37 import androidx.appcompat.app.AlertDialog;
  38 import androidx.constraintlayout.widget.ConstraintLayout;
  39 import androidx.recyclerview.widget.RecyclerView;
  40
  41 public class AccountSummaryAdapter
  42         extends RecyclerView.Adapter<AccountSummaryAdapter.LedgerRowHolder> {
  43     public static final int AMOUNT_LIMIT = 3;
  44
  45     AccountSummaryAdapter() { }
  46
  47     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  48         try (LockHolder lh = Data.accounts.lockForReading()) {
  49             if (position < Data.accounts.size()) {
  50                 LedgerAccount acc = Data.accounts.get(position);
  51                 Context ctx = holder.row.getContext();
  52                 Resources rm = ctx.getResources();
  53
  54                 holder.row.setTag(acc);
  55                 holder.row.setVisibility(View.VISIBLE);
  56                 holder.vTrailer.setVisibility(View.GONE);
  57                 holder.tvAccountName.setText(acc.getShortName());
  58                 ConstraintLayout.LayoutParams lp =
  59                         (ConstraintLayout.LayoutParams) holder.tvAccountName.getLayoutParams();
  60                 lp.setMarginStart(
  61                         acc.getLevel() * rm.getDimensionPixelSize(R.dimen.thumb_row_height) / 3);
  62                 holder.expanderContainer
  63                         .setVisibility(acc.hasSubAccounts() ? View.VISIBLE : View.GONE);
  64                 holder.expanderContainer.setRotation(acc.isExpanded() ? 0 : 180);
  65                 int amounts = acc.getAmountCount();
  66                 if ((amounts > AMOUNT_LIMIT) && !acc.amountsExpanded()) {
  67                     holder.tvAccountAmounts.setText(acc.getAmountsString(AMOUNT_LIMIT));
  68                     holder.accountExpanderContainer.setVisibility(View.VISIBLE);
  69                 }
  70                 else {
  71                     holder.tvAccountAmounts.setText(acc.getAmountsString());
  72                     holder.accountExpanderContainer.setVisibility(View.GONE);
  73                 }
  74
  75                 if (acc.isHiddenByStar()) {
  76                     holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  77                     holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  78                 }
  79                 else {
  80                     holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
  81                     holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
  82                 }
  83
  84                 holder.row.setTag(R.id.POS, position);
  85             }
  86             else {
  87                 holder.vTrailer.setVisibility(View.VISIBLE);
  88                 holder.row.setVisibility(View.GONE);
  89             }
  90         }
  91     }
  92
  93     @NonNull
  94     @Override
  95     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
  96         View row = LayoutInflater.from(parent.getContext())
  97                 .inflate(R.layout.account_summary_row, parent, false);
  98         return new LedgerRowHolder(row);
  99     }
 100
 101     @Override
 102     public int getItemCount() {
 103         return Data.accounts.size() + (Data.profile.getValue()
 104                                                    .isPostingPermitted() ? 1 : 0);
 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         View expanderContainer;
 134         ImageView expander;
 135         View 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             row.setOnLongClickListener(this::onItemLongClick);
 164         }
 165         private boolean onItemLongClick(View v) {
 166             MainActivity activity = (MainActivity) v.getContext();
 167             AlertDialog.Builder builder = new AlertDialog.Builder(activity);
 168             View row;
 169             int id = v.getId();
 170             switch (id) {
 171                 case R.id.account_summary_row:
 172                     row = v;
 173                     break;
 174                 case R.id.account_row_acc_amounts:
 175                 case R.id.account_row_amounts_expander_container:
 176                     row = (View) v.getParent();
 177                     break;
 178                 case R.id.account_row_acc_name:
 179                 case R.id.account_expander_container:
 180                     row = (View) v.getParent()
 181                                   .getParent();
 182                     break;
 183                 case R.id.account_expander:
 184                     row = (View) v.getParent()
 185                                   .getParent()
 186                                   .getParent();
 187                     break;
 188                 default:
 189                     Log.e("error",
 190                             String.format("Don't know how to handle long click on id %d", id));
 191                     return false;
 192             }
 193             LedgerAccount acc = (LedgerAccount) row.getTag();
 194             builder.setTitle(acc.getName());
 195             builder.setItems(R.array.acc_ctx_menu, (dialog, which) -> {
 196                 switch (which) {
 197                     case 0:
 198                         // show transactions
 199                         activity.showAccountTransactions(acc);
 200                         break;
 201                 }
 202                 dialog.dismiss();
 203             });
 204             builder.show();
 205             return true;
 206         }
 207     }
 208 }