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     public static final int AMOUNT_LIMIT = 3;
  45     private boolean selectionActive;
  46
  47     AccountSummaryAdapter() {
  48         this.selectionActive = false;
  49     }
  50
  51     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  52         try (LockHolder lh = Data.accounts.lockForReading()) {
  53             if (position < Data.accounts.size()) {
  54                 LedgerAccount acc = Data.accounts.get(position);
  55                 Context ctx = holder.row.getContext();
  56                 Resources rm = ctx.getResources();
  57
  58                 holder.row.setTag(acc);
  59                 holder.row.setVisibility(View.VISIBLE);
  60                 holder.vTrailer.setVisibility(View.GONE);
  61                 holder.tvAccountName.setText(acc.getShortName());
  62                 ConstraintLayout.LayoutParams lp =
  63                         (ConstraintLayout.LayoutParams) holder.tvAccountName.getLayoutParams();
  64                 lp.setMarginStart(
  65                         acc.getLevel() * rm.getDimensionPixelSize(R.dimen.thumb_row_height) / 2);
  66                 holder.expanderContainer
  67                         .setVisibility(acc.hasSubAccounts() ? View.VISIBLE : View.INVISIBLE);
  68                 holder.expanderContainer.setRotation(acc.isExpanded() ? 0 : 180);
  69                 int amounts = acc.getAmountCount();
  70                 if ((amounts > AMOUNT_LIMIT) && !acc.amountsExpanded()) {
  71                     holder.tvAccountAmounts.setText(acc.getAmountsString(AMOUNT_LIMIT));
  72                     holder.accountExpanderContainer.setVisibility(View.VISIBLE);
  73                 }
  74                 else {
  75                     holder.tvAccountAmounts.setText(acc.getAmountsString());
  76                     holder.accountExpanderContainer.setVisibility(View.GONE);
  77                 }
  78
  79                 if (acc.isHiddenByStar()) {
  80                     holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  81                     holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  82                 }
  83                 else {
  84                     holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
  85                     holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
  86                 }
  87
  88                 holder.selectionCb.setVisibility(selectionActive ? View.VISIBLE : View.GONE);
  89                 holder.selectionCb.setChecked(!acc.isHiddenByStarToBe());
  90
  91                 holder.row.setTag(R.id.POS, position);
  92             }
  93             else {
  94                 holder.vTrailer.setVisibility(View.VISIBLE);
  95                 holder.row.setVisibility(View.GONE);
  96             }
  97         }
  98     }
  99
 100     @NonNull
 101     @Override
 102     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 103         View row = LayoutInflater.from(parent.getContext())
 104                 .inflate(R.layout.account_summary_row, parent, false);
 105         return new LedgerRowHolder(row);
 106     }
 107
 108     @Override
 109     public int getItemCount() {
 110         return Data.accounts.size() + 1;
 111     }
 112     public void startSelection() {
 113         try (LockHolder lh = Data.accounts.lockForWriting()) {
 114             for (int i = 0; i < Data.accounts.size(); i++) {
 115                 LedgerAccount acc = Data.accounts.get(i);
 116                 acc.setHiddenByStarToBe(acc.isHiddenByStar());
 117             }
 118             this.selectionActive = true;
 119             lh.downgrade();
 120             notifyDataSetChanged();
 121         }
 122     }
 123
 124     public void stopSelection() {
 125         this.selectionActive = false;
 126         notifyDataSetChanged();
 127     }
 128
 129     public boolean isSelectionActive() {
 130         return selectionActive;
 131     }
 132
 133     public void selectItem(int position) {
 134         try (LockHolder lh = Data.accounts.lockForWriting()) {
 135             LedgerAccount acc = Data.accounts.get(position);
 136             acc.toggleHiddenToBe();
 137             toggleChildrenOf(acc, acc.isHiddenByStarToBe(), position);
 138             notifyItemChanged(position);
 139         }
 140     }
 141     void toggleChildrenOf(LedgerAccount parent, boolean hiddenToBe, int parentPosition) {
 142         int i = parentPosition + 1;
 143         try (LockHolder lh = Data.accounts.lockForWriting()) {
 144             for (int j = 0; j < Data.accounts.size(); j++) {
 145                 LedgerAccount acc = Data.accounts.get(j);
 146                 if (acc.getName().startsWith(parent.getName() + ":")) {
 147                     acc.setHiddenByStarToBe(hiddenToBe);
 148                     notifyItemChanged(i);
 149                     toggleChildrenOf(acc, hiddenToBe, i);
 150                     i++;
 151                 }
 152             }
 153         }
 154     }
 155
 156     class LedgerRowHolder extends RecyclerView.ViewHolder {
 157         CheckBox selectionCb;
 158         TextView tvAccountName, tvAccountAmounts;
 159         ConstraintLayout row;
 160         View vTrailer;
 161         FrameLayout expanderContainer;
 162         ImageView expander;
 163         FrameLayout accountExpanderContainer;
 164         public LedgerRowHolder(@NonNull View itemView) {
 165             super(itemView);
 166             this.row = itemView.findViewById(R.id.account_summary_row);
 167             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 168             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 169             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 170             this.vTrailer = itemView.findViewById(R.id.account_summary_trailer);
 171             this.expanderContainer = itemView.findViewById(R.id.account_expander_container);
 172             this.expander = itemView.findViewById(R.id.account_expander);
 173             this.accountExpanderContainer = itemView.findViewById(R.id.account_row_amounts_expander_container);
 174
 175             MainActivity activity = (MainActivity) row.getContext();
 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(new View.OnLongClickListener() {
 189                 @Override
 190                 public boolean onLongClick(View v) {
 191                     AlertDialog.Builder builder = new AlertDialog.Builder(itemView.getContext());
 192                     LedgerAccount acc =
 193                             (LedgerAccount) v.findViewById(R.id.account_summary_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         }
 209     }
 210 }