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 androidx.annotation.NonNull;
  36 import androidx.constraintlayout.widget.ConstraintLayout;
  37 import androidx.recyclerview.widget.RecyclerView;
  38
  39 public class AccountSummaryAdapter
  40         extends RecyclerView.Adapter<AccountSummaryAdapter.LedgerRowHolder> {
  41     private boolean selectionActive;
  42
  43     AccountSummaryAdapter() {
  44         this.selectionActive = false;
  45     }
  46
  47     public void onBindViewHolder(@NonNull LedgerRowHolder holder, int position) {
  48         if (position < Data.accounts.size()) {
  49             LedgerAccount acc = Data.accounts.get(position);
  50             Context ctx = holder.row.getContext();
  51             Resources rm = ctx.getResources();
  52
  53             holder.row.setTag(acc);
  54             holder.row.setVisibility(View.VISIBLE);
  55             holder.vTrailer.setVisibility(View.GONE);
  56             holder.tvAccountName.setText(acc.getShortName());
  57             ConstraintLayout.LayoutParams lp =
  58                     (ConstraintLayout.LayoutParams) holder.tvAccountName.getLayoutParams();
  59             lp.setMarginStart(
  60                     acc.getLevel() * rm.getDimensionPixelSize(R.dimen.thumb_row_height) / 2);
  61             holder.expanderContainer
  62                     .setVisibility(acc.hasSubAccounts() ? View.VISIBLE : View.INVISIBLE);
  63             holder.expanderContainer.setRotation(acc.isExpanded() ? 0 : 180);
  64             holder.tvAccountAmounts.setText(acc.getAmountsString());
  65
  66             if (acc.isHiddenByStar()) {
  67                 holder.tvAccountName.setTypeface(null, Typeface.ITALIC);
  68                 holder.tvAccountAmounts.setTypeface(null, Typeface.ITALIC);
  69             }
  70             else {
  71                 holder.tvAccountName.setTypeface(null, Typeface.NORMAL);
  72                 holder.tvAccountAmounts.setTypeface(null, Typeface.NORMAL);
  73             }
  74
  75             holder.selectionCb.setVisibility(selectionActive ? View.VISIBLE : View.GONE);
  76             holder.selectionCb.setChecked(!acc.isHiddenByStarToBe());
  77
  78             holder.row.setTag(R.id.POS, position);
  79         }
  80         else {
  81             holder.vTrailer.setVisibility(View.VISIBLE);
  82             holder.row.setVisibility(View.GONE);
  83         }
  84     }
  85
  86     @NonNull
  87     @Override
  88     public LedgerRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
  89         View row = LayoutInflater.from(parent.getContext())
  90                 .inflate(R.layout.account_summary_row, parent, false);
  91         return new LedgerRowHolder(row);
  92     }
  93
  94     @Override
  95     public int getItemCount() {
  96         return Data.accounts.size() + 1;
  97     }
  98     public void startSelection() {
  99         for (int i = 0; i < Data.accounts.size(); i++ ) {
 100             LedgerAccount acc = Data.accounts.get(i);
 101             acc.setHiddenByStarToBe(acc.isHiddenByStar());
 102         }
 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(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 (int j = 0; j < Data.accounts.size(); j++) {
 125             LedgerAccount acc = Data.accounts.get(j);
 126             if (acc.getName().startsWith(parent.getName() + ":")) {
 127                 acc.setHiddenByStarToBe(hiddenToBe);
 128                 notifyItemChanged(i);
 129                 toggleChildrenOf(acc, hiddenToBe, i);
 130                 i++;
 131             }
 132         }
 133     }
 134
 135     class LedgerRowHolder extends RecyclerView.ViewHolder {
 136         CheckBox selectionCb;
 137         TextView tvAccountName, tvAccountAmounts;
 138         ConstraintLayout row;
 139         View vTrailer;
 140         FrameLayout expanderContainer;
 141         ImageView expander;
 142         public LedgerRowHolder(@NonNull View itemView) {
 143             super(itemView);
 144             this.row = itemView.findViewById(R.id.account_summary_row);
 145             this.tvAccountName = itemView.findViewById(R.id.account_row_acc_name);
 146             this.tvAccountAmounts = itemView.findViewById(R.id.account_row_acc_amounts);
 147             this.selectionCb = itemView.findViewById(R.id.account_row_check);
 148             this.vTrailer = itemView.findViewById(R.id.account_summary_trailer);
 149             this.expanderContainer = itemView.findViewById(R.id.account_expander_container);
 150             this.expander = itemView.findViewById(R.id.account_expander);
 151
 152             expanderContainer.addOnLayoutChangeListener(
 153                     (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
 154                         int w = right - left;
 155                         int h = bottom - top;
 156                         if (h > w) {
 157                             int p = (h - w) / 2;
 158                             v.setPadding(0, p, 0, p);
 159                         }
 160                         else v.setPadding(0, 0, 0, 0);
 161                     });
 162         }
 163     }
 164 }