app/src/main/java/net/ktnx/mobileledger/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;
  19
  20 import android.content.Context;
  21 import android.database.sqlite.SQLiteDatabase;
  22 import android.support.annotation.NonNull;
  23 import android.support.constraint.ConstraintLayout;
  24 import android.support.v7.widget.RecyclerView;
  25 import android.util.Log;
  26 import android.view.Gravity;
  27 import android.view.LayoutInflater;
  28 import android.view.View;
  29 import android.view.ViewGroup;
  30 import android.widget.LinearLayout;
  31 import android.widget.TextView;
  32
  33 import net.ktnx.mobileledger.model.LedgerTransaction;
  34 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
  35 import net.ktnx.mobileledger.utils.Globals;
  36 import net.ktnx.mobileledger.utils.MLDB;
  37
  38 import java.util.List;
  39
  40 import static net.ktnx.mobileledger.utils.DimensionUtils.dp2px;
  41
  42 class TransactionListAdapter
  43         extends RecyclerView.Adapter<TransactionListAdapter.TransactionRowHolder> {
  44     private List<LedgerTransaction> transactions;
  45
  46     TransactionListAdapter(List<LedgerTransaction> transactions) {
  47         this.transactions = transactions;
  48     }
  49
  50     public void onBindViewHolder(@NonNull TransactionRowHolder holder, int position) {
  51         LedgerTransaction tr = transactions.get(position);
  52         Context ctx = holder.row.getContext();
  53
  54         try (SQLiteDatabase db = MLDB.getReadableDatabase(ctx)) {
  55             tr.loadData(db);
  56             holder.tvDescription
  57                     .setText(String.format("%s\t%s", tr.getDescription(), tr.getDate()));
  58
  59             int rowIndex = 0;
  60             for (LedgerTransactionAccount acc : tr.getAccounts()) {
  61                 LinearLayout row = (LinearLayout) holder.tableAccounts.getChildAt(rowIndex++);
  62                 TextView accName, accAmount;
  63                 if (row == null) {
  64                     row = new LinearLayout(ctx);
  65                     row.setLayoutParams(
  66                             new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
  67                                     LinearLayout.LayoutParams.WRAP_CONTENT));
  68                     row.setGravity(Gravity.CENTER_VERTICAL);
  69                     row.setOrientation(LinearLayout.HORIZONTAL);
  70                     row.setPaddingRelative(dp2px(ctx, 8), 0, dp2px(ctx, 8), 0);
  71                     accName = new TextView(ctx);
  72                     accName.setLayoutParams(
  73                             new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
  74                                     LinearLayout.LayoutParams.WRAP_CONTENT, 5f));
  75                     accName.setTextAlignment(View.TEXT_ALIGNMENT_VIEW_START);
  76                     row.addView(accName);
  77                     accAmount = new TextView(ctx);
  78                     LinearLayout.LayoutParams llp =
  79                             new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
  80                                     LinearLayout.LayoutParams.WRAP_CONTENT, 1f);
  81                     llp.setMarginEnd(0);
  82                     accAmount.setLayoutParams(llp);
  83                     accAmount.setTextAlignment(View.TEXT_ALIGNMENT_VIEW_END);
  84                     accAmount.setMinWidth(dp2px(ctx, 60));
  85                     row.addView(accAmount);
  86                     holder.tableAccounts.addView(row);
  87                 }
  88                 else {
  89                     accName = (TextView) row.getChildAt(0);
  90                     accAmount = (TextView) row.getChildAt(1);
  91                 }
  92                 accName.setText(acc.getShortAccountName());
  93                 accAmount.setText(acc.toString());
  94             }
  95             if (holder.tableAccounts.getChildCount() > rowIndex) {
  96                 holder.tableAccounts
  97                         .removeViews(rowIndex, holder.tableAccounts.getChildCount() - rowIndex);
  98             }
  99
 100             if (position % 2 == 0) {
 101                 holder.row.setBackgroundColor(Globals.table_row_even_bg);
 102             }
 103             else {
 104                 holder.row.setBackgroundColor(Globals.table_row_odd_bg);
 105             }
 106         }
 107     }
 108
 109     @NonNull
 110     @Override
 111     public TransactionRowHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 112         Log.d("perf", "onCreateViewHolder called");
 113         View row = LayoutInflater.from(parent.getContext())
 114                 .inflate(R.layout.transaction_list_row, parent, false);
 115         return new TransactionRowHolder(row);
 116     }
 117
 118     @Override
 119     public int getItemCount() {
 120         return transactions.size();
 121     }
 122     class TransactionRowHolder extends RecyclerView.ViewHolder {
 123         TextView tvDescription;
 124         LinearLayout tableAccounts;
 125         ConstraintLayout row;
 126         public TransactionRowHolder(@NonNull View itemView) {
 127             super(itemView);
 128             this.row = (ConstraintLayout) itemView;
 129             this.tvDescription = itemView.findViewById(R.id.transaction_row_description);
 130             this.tableAccounts = itemView.findViewById(R.id.transaction_row_acc_amounts);
 131         }
 132     }
 133 }