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.view.LayoutInflater;
  24 import android.view.View;
  25 import android.view.ViewGroup;
  26 import android.widget.CheckBox;
  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     private boolean selectionActive;
  45
  46     AccountSummaryAdapter() {
  47         this.selectionActive = false;
  48     }
  49
  50     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  51         try (LockHolder lh = Data.accounts.lockForReading()) {
  52             if (position < Data.accounts.size()) {
  53                 LedgerAccount acc = Data.accounts.get(position);
  54                 Context ctx = holder.row.getContext();
  55                 Resources rm = ctx.getResources();
  56
  57                 holder.row.setTag(acc);
  58                 holder.row.setVisibility(View.VISIBLE);
  59                 holder.vTrailer.setVisibility(View.GONE);
  60                 holder.tvAccountName.setText(acc.getShortName());
  61                 ConstraintLayout.LayoutParams lp =
  62                         (ConstraintLayout.LayoutParams) holder.tvAccountName.getLayoutParams();
  63                 lp.setMarginStart(
  64                         acc.getLevel() * rm.getDimensionPixelSize(R.dimen.thumb_row_height) / 2);
  65                 holder.expanderContainer
  66                         .setVisibility(acc.hasSubAccounts() ? View.VISIBLE : View.INVISIBLE);
  67                 holder.expanderContainer.setRotation(acc.isExpanded() ? 0 : 180);
  68                 holder.tvAccountAmounts.setText(acc.getAmountsString());
  69
  70                 if (acc.isHiddenByStar()) {
  71                     holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  72                     holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  73                 }
  74                 else {
  75                     holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
  76                     holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
  77                 }
  78
  79                 holder.selectionCb.setVisibility(selectionActive ? View.VISIBLE : View.GONE);
  80                 holder.selectionCb.setChecked(!acc.isHiddenByStarToBe());
  81
  82                 holder.row.setTag(R.id.POS, position);
  83             }
  84             else {
  85                 holder.vTrailer.setVisibility(View.VISIBLE);
  86                 holder.row.setVisibility(View.GONE);
  87             }
  88         }
  89     }
  90
  91     @NonNull
  92     @Override
  93     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
  94         View row = LayoutInflater.from(parent.getContext())
  95                 .inflate(R.layout.account_summary_row, parent, false);
  96         return new LedgerRowHolder(row);
  97     }
  98
  99     @Override
 100     public int getItemCount() {
 101         return Data.accounts.size() + 1;
 102     }
 103     public void startSelection() {
 104         try (LockHolder lh = Data.accounts.lockForWriting()) {
 105             for (int i = 0; i < Data.accounts.size(); i++) {
 106                 LedgerAccount acc = Data.accounts.get(i);
 107                 acc.setHiddenByStarToBe(acc.isHiddenByStar());
 108             }
 109             this.selectionActive = true;
 110             lh.downgrade();
 111             notifyDataSetChanged();
 112         }
 113     }
 114
 115     public void stopSelection() {
 116         this.selectionActive = false;
 117         notifyDataSetChanged();
 118     }
 119
 120     public boolean isSelectionActive() {
 121         return selectionActive;
 122     }
 123
 124     public void selectItem(int position) {
 125         try (LockHolder lh = Data.accounts.lockForWriting()) {
 126             LedgerAccount acc = Data.accounts.get(position);
 127             acc.toggleHiddenToBe();
 128             toggleChildrenOf(acc, acc.isHiddenByStarToBe(), position);
 129             notifyItemChanged(position);
 130         }
 131     }
 132     void toggleChildrenOf(LedgerAccount parent, boolean hiddenToBe, int parentPosition) {
 133         int i = parentPosition + 1;
 134         try (LockHolder lh = Data.accounts.lockForWriting()) {
 135             for (int j = 0; j < Data.accounts.size(); j++) {
 136                 LedgerAccount acc = Data.accounts.get(j);
 137                 if (acc.getName().startsWith(parent.getName() + ":")) {
 138                     acc.setHiddenByStarToBe(hiddenToBe);
 139                     notifyItemChanged(i);
 140                     toggleChildrenOf(acc, hiddenToBe, i);
 141                     i++;
 142                 }
 143             }
 144         }
 145     }
 146
 147     class LedgerRowHolder extends RecyclerView.ViewHolder {
 148         CheckBox selectionCb;
 149         TextView tvAccountName, tvAccountAmounts;
 150         ConstraintLayout row;
 151         View vTrailer;
 152         FrameLayout expanderContainer;
 153         ImageView expander;
 154         public LedgerRowHolder(@NonNull View itemView) {
 155             super(itemView);
 156             this.row = itemView.findViewById(R.id.account_summary_row);
 157             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 158             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 159             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 160             this.vTrailer = itemView.findViewById(R.id.account_summary_trailer);
 161             this.expanderContainer = itemView.findViewById(R.id.account_expander_container);
 162             this.expander = itemView.findViewById(R.id.account_expander);
 163
 164             MainActivity activity = (MainActivity) row.getContext();
 165
 166             expanderContainer.addOnLayoutChangeListener(
 167                     (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
 168                         int w = right - left;
 169                         int h = bottom - top;
 170                         if (h > w) {
 171                             int p = (h - w) / 2;
 172                             v.setPadding(0, p, 0, p);
 173                         }
 174                         else v.setPadding(0, 0, 0, 0);
 175                     });
 176
 177             itemView.setOnLongClickListener(new View.OnLongClickListener() {
 178                 @Override
 179                 public boolean onLongClick(View v) {
 180                     AlertDialog.Builder builder = new AlertDialog.Builder(itemView.getContext());
 181                     LedgerAccount acc =
 182                             (LedgerAccount) v.findViewById(R.id.account_summary_row).getTag();
 183                     builder.setTitle(acc.getName());
 184                     builder.setItems(R.array.acc_ctx_menu, (dialog, which) -> {
 185                         switch(which) {
 186                             case 0:
 187                                 // show transactions
 188                                 activity.showAccountTransactions(acc);
 189                                 break;
 190                         }
 191                         dialog.dismiss();
 192                     });
 193                     builder.show();
 194                     return true;
 195                 }
 196             });
 197         }
 198     }
 199 }