app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListAdapter.java

   1 /*
   2  * Copyright © 2018 Damyan Ivanov.
   3  * This file is part of Mobile-Ledger.
   4  * Mobile-Ledger 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  * Mobile-Ledger 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 Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.ui.transaction_list;
  19
  20 import android.content.Context;
  21 import android.database.sqlite.SQLiteDatabase;
  22 import android.graphics.Typeface;
  23 import android.support.annotation.NonNull;
  24 import android.support.constraint.ConstraintLayout;
  25 import android.support.v7.widget.AppCompatTextView;
  26 import android.support.v7.widget.RecyclerView;
  27 import android.util.Log;
  28 import android.view.Gravity;
  29 import android.view.LayoutInflater;
  30 import android.view.View;
  31 import android.view.ViewGroup;
  32 import android.widget.LinearLayout;
  33 import android.widget.TextView;
  34
  35 import net.ktnx.mobileledger.R;
  36 import net.ktnx.mobileledger.model.LedgerTransaction;
  37 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
  38 import net.ktnx.mobileledger.utils.Globals;
  39 import net.ktnx.mobileledger.utils.MLDB;
  40
  41 import static net.ktnx.mobileledger.utils.DimensionUtils.dp2px;
  42
  43 public class TransactionListAdapter
  44         extends RecyclerView.Adapter<TransactionListAdapter.TransactionRowHolder> {
  45     TransactionListViewModel model;
  46     private String boldAccountName;
  47     public TransactionListAdapter(TransactionListViewModel model) {
  48         this.model = model;
  49     }
  50     public void onBindViewHolder(@NonNull TransactionRowHolder holder, int position) {
  51         LedgerTransaction tr = model.getTransaction(position);
  52         // in a race when transaction list is reduced, but the model hasn't been notified yet
  53         // the view will disappear when the notifications reaches the model, so by simply omitting
  54         // the out-of-range get() call nothing bad happens - just a to-be-deleted view remains
  55         // a bit longer
  56         if (tr == null) return;
  57
  58         Context ctx = holder.row.getContext();
  59
  60         try (SQLiteDatabase db = MLDB.getReadableDatabase(ctx)) {
  61             tr.loadData(db);
  62             holder.tvDescription.setText(tr.getDescription());
  63             holder.tvDate.setText(tr.getDate());
  64
  65             int rowIndex = 0;
  66             for (LedgerTransactionAccount acc : tr.getAccounts()) {
  67                 LinearLayout row = (LinearLayout) holder.tableAccounts.getChildAt(rowIndex++);
  68                 TextView accName, accAmount;
  69                 if (row == null) {
  70                     row = new LinearLayout(ctx);
  71                     row.setLayoutParams(
  72                             new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
  73                                     LinearLayout.LayoutParams.WRAP_CONTENT));
  74                     row.setGravity(Gravity.CENTER_VERTICAL);
  75                     row.setOrientation(LinearLayout.HORIZONTAL);
  76                     row.setPaddingRelative(dp2px(ctx, 8), 0, 0, 0);
  77                     accName = new AppCompatTextView(ctx);
  78                     accName.setLayoutParams(
  79                             new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT,
  80                                     5f));
  81                     accName.setTextAlignment(View.TEXT_ALIGNMENT_VIEW_START);
  82                     row.addView(accName);
  83                     accAmount = new AppCompatTextView(ctx);
  84                     LinearLayout.LayoutParams llp =
  85                             new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
  86                                     LinearLayout.LayoutParams.WRAP_CONTENT);
  87                     llp.setMarginEnd(0);
  88                     accAmount.setLayoutParams(llp);
  89                     accAmount.setTextAlignment(View.TEXT_ALIGNMENT_VIEW_END);
  90                     accAmount.setMinWidth(dp2px(ctx, 60));
  91                     row.addView(accAmount);
  92                     holder.tableAccounts.addView(row);
  93                 }
  94                 else {
  95                     accName = (TextView) row.getChildAt(0);
  96                     accAmount = (TextView) row.getChildAt(1);
  97                 }
  98                 accName.setText(acc.getAccountName());
  99                 accAmount.setText(acc.toString());
 100
 101                 if ((boldAccountName != null) && boldAccountName.equals(acc.getAccountName())) {
 102                     accName.setTypeface(null, Typeface.BOLD);
 103                     accAmount.setTypeface(null, Typeface.BOLD);
 104                     accName.setTextColor(Globals.primaryDark);
 105                     accAmount.setTextColor(Globals.primaryDark);
 106                 }
 107                 else {
 108                     accName.setTypeface(null, Typeface.NORMAL);
 109                     accAmount.setTypeface(null, Typeface.NORMAL);
 110                     accName.setTextColor(Globals.defaultTextColor);
 111                     accAmount.setTextColor(Globals.defaultTextColor);
 112                 }
 113
 114             }
 115             if (holder.tableAccounts.getChildCount() > rowIndex) {
 116                 holder.tableAccounts
 117                         .removeViews(rowIndex, holder.tableAccounts.getChildCount() - rowIndex);
 118             }
 119
 120             if (position % 2 == 0) {
 121                 holder.row.setBackgroundColor(Globals.table_row_even_bg);
 122             }
 123             else {
 124                 holder.row.setBackgroundColor(Globals.table_row_odd_bg);
 125             }
 126
 127             Log.d("transactions", String.format("Filled position %d", position));
 128         }
 129     }
 130
 131     @NonNull
 132     @Override
 133     public TransactionRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 134         Log.d("perf", "onCreateViewHolder called");
 135         View row = LayoutInflater.from(parent.getContext())
 136                 .inflate(R.layout.transaction_list_row, parent, false);
 137         return new TransactionRowHolder(row);
 138     }
 139
 140     @Override
 141     public int getItemCount() {
 142         return model.getTransactionCount();
 143     }
 144     public void setBoldAccountName(String boldAccountName) {
 145         this.boldAccountName = boldAccountName;
 146     }
 147     public void resetBoldAccountName() {
 148         this.boldAccountName = null;
 149     }
 150     class TransactionRowHolder extends RecyclerView.ViewHolder {
 151         TextView tvDescription, tvDate;
 152         LinearLayout tableAccounts;
 153         ConstraintLayout row;
 154         public TransactionRowHolder(@NonNull View itemView) {
 155             super(itemView);
 156             this.row = itemView.findViewById(R.id.transaction_row);
 157             this.tvDescription = itemView.findViewById(R.id.transaction_row_description);
 158             this.tvDate = itemView.findViewById(R.id.transaction_row_date);
 159             this.tableAccounts = itemView.findViewById(R.id.transaction_row_acc_amounts);
 160         }
 161     }
 162 }