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
  35 import java.util.List;
  36
  37 import androidx.annotation.NonNull;
  38 import androidx.constraintlayout.widget.ConstraintLayout;
  39 import androidx.recyclerview.widget.RecyclerView;
  40
  41 public class AccountSummaryAdapter
  42         extends RecyclerView.Adapter<AccountSummaryAdapter.LedgerRowHolder> {
  43     private boolean selectionActive;
  44
  45     AccountSummaryAdapter() {
  46         this.selectionActive = false;
  47     }
  48
  49     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  50         List<LedgerAccount> accounts = Data.accounts.get();
  51         if (position < accounts.size()) {
  52             LedgerAccount acc = accounts.get(position);
  53             Context ctx = holder.row.getContext();
  54             Resources rm = ctx.getResources();
  55
  56             holder.row.setTag(acc);
  57             holder.row.setVisibility(View.VISIBLE);
  58             holder.vTrailer.setVisibility(View.GONE);
  59             holder.tvAccountName.setText(acc.getShortName());
  60             ConstraintLayout.LayoutParams lp =
  61                     (ConstraintLayout.LayoutParams) holder.tvAccountName.getLayoutParams();
  62             lp.setMarginStart(
  63                     acc.getLevel() * rm.getDimensionPixelSize(R.dimen.thumb_row_height) / 2);
  64             holder.expanderContainer
  65                     .setVisibility(acc.hasSubAccounts() ? View.VISIBLE : View.INVISIBLE);
  66             holder.expanderContainer.setRotation(acc.isExpanded() ? 0 : 180);
  67             holder.tvAccountAmounts.setText(acc.getAmountsString());
  68
  69             if (acc.isHiddenByStar()) {
  70                 holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  71                 holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  72             }
  73             else {
  74                 holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
  75                 holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
  76             }
  77
  78             holder.selectionCb.setVisibility(selectionActive ? View.VISIBLE : View.GONE);
  79             holder.selectionCb.setChecked(!acc.isHiddenByStarToBe());
  80
  81             holder.row.setTag(R.id.POS, position);
  82         }
  83         else {
  84             holder.vTrailer.setVisibility(View.VISIBLE);
  85             holder.row.setVisibility(View.GONE);
  86         }
  87     }
  88
  89     @NonNull
  90     @Override
  91     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
  92         View row = LayoutInflater.from(parent.getContext())
  93                 .inflate(R.layout.account_summary_row, parent, false);
  94         return new LedgerRowHolder(row);
  95     }
  96
  97     @Override
  98     public int getItemCount() {
  99         return Data.accounts.get().size() + 1;
 100     }
 101     public void startSelection() {
 102         for (LedgerAccount acc : Data.accounts.get()) acc.setHiddenByStarToBe(acc.isHiddenByStar());
 103         this.selectionActive = true;
 104         notifyDataSetChanged();
 105     }
 106
 107     public void stopSelection() {
 108         this.selectionActive = false;
 109         notifyDataSetChanged();
 110     }
 111
 112     public boolean isSelectionActive() {
 113         return selectionActive;
 114     }
 115
 116     public void selectItem(int position) {
 117         LedgerAccount acc = Data.accounts.get().get(position);
 118         acc.toggleHiddenToBe();
 119         toggleChildrenOf(acc, acc.isHiddenByStarToBe(), position);
 120         notifyItemChanged(position);
 121     }
 122     void toggleChildrenOf(LedgerAccount parent, boolean hiddenToBe, int parentPosition) {
 123         int i = parentPosition + 1;
 124         for (LedgerAccount acc : Data.accounts.get()) {
 125             if (acc.getName().startsWith(parent.getName() + ":")) {
 126                 acc.setHiddenByStarToBe(hiddenToBe);
 127                 notifyItemChanged(i);
 128                 toggleChildrenOf(acc, hiddenToBe, i);
 129                 i++;
 130             }
 131         }
 132     }
 133
 134     class LedgerRowHolder extends RecyclerView.ViewHolder {
 135         CheckBox selectionCb;
 136         TextView tvAccountName, tvAccountAmounts;
 137         ConstraintLayout row;
 138         View vTrailer;
 139         FrameLayout expanderContainer;
 140         ImageView expander;
 141         public LedgerRowHolder(@NonNull View itemView) {
 142             super(itemView);
 143             this.row = itemView.findViewById(R.id.account_summary_row);
 144             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 145             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 146             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 147             this.vTrailer = itemView.findViewById(R.id.account_summary_trailer);
 148             this.expanderContainer = itemView.findViewById(R.id.account_expander_container);
 149             this.expander = itemView.findViewById(R.id.account_expander);
 150
 151             expanderContainer.addOnLayoutChangeListener(
 152                     (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
 153                         int w = right - left;
 154                         int h = bottom - top;
 155                         if (h > w) {
 156                             int p = (h - w) / 2;
 157                             v.setPadding(0, p, 0, p);
 158                         }
 159                         else v.setPadding(0, 0, 0, 0);
 160                     });
 161         }
 162     }
 163 }