2 * Copyright © 2020 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.
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.
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/>.
18 package net.ktnx.mobileledger.ui.transaction_list;
20 import android.view.View;
21 import android.widget.LinearLayout;
22 import android.widget.TextView;
24 import androidx.annotation.NonNull;
25 import androidx.cardview.widget.CardView;
26 import androidx.constraintlayout.widget.ConstraintLayout;
27 import androidx.recyclerview.widget.RecyclerView;
29 import net.ktnx.mobileledger.R;
30 import net.ktnx.mobileledger.model.Data;
31 import net.ktnx.mobileledger.model.TransactionListItem;
33 import java.util.Observer;
35 class TransactionRowHolder extends RecyclerView.ViewHolder {
36 final TextView tvDescription;
37 final TextView tvComment;
38 final LinearLayout tableAccounts;
39 final ConstraintLayout row;
40 final ConstraintLayout vDelimiter;
41 final CardView vTransaction;
42 final TextView tvDelimiterMonth, tvDelimiterDate;
43 final View vDelimiterThick;
45 final TextView tvLastUpdate;
46 TransactionListItem.Type lastType;
47 private Observer lastUpdateObserver;
48 public TransactionRowHolder(@NonNull View itemView) {
50 this.row = itemView.findViewById(R.id.transaction_row);
51 this.tvDescription = itemView.findViewById(R.id.transaction_row_description);
52 this.tvComment = itemView.findViewById(R.id.transaction_comment);
53 this.tableAccounts = itemView.findViewById(R.id.transaction_row_acc_amounts);
54 this.vDelimiter = itemView.findViewById(R.id.transaction_delimiter);
55 this.vTransaction = itemView.findViewById(R.id.transaction_card_view);
56 this.tvDelimiterDate = itemView.findViewById(R.id.transaction_delimiter_date);
57 this.tvDelimiterMonth = itemView.findViewById(R.id.transaction_delimiter_month);
58 this.vDelimiterThick = itemView.findViewById(R.id.transaction_delimiter_thick);
59 this.vHeader = itemView.findViewById(R.id.last_update_container);
60 this.tvLastUpdate = itemView.findViewById(R.id.last_update_text);
62 private void initLastUpdateObserver() {
63 if (lastUpdateObserver != null)
66 lastUpdateObserver = (o, arg) -> setLastUpdateText(Data.lastTransactionsUpdateText.get());
68 Data.lastTransactionsUpdateText.addObserver(lastUpdateObserver);
70 void setLastUpdateText(String text) {
71 tvLastUpdate.setText(text);
73 private void dropLastUpdateObserver() {
74 if (lastUpdateObserver == null)
77 Data.lastTransactionsUpdateText.deleteObserver(lastUpdateObserver);
78 lastUpdateObserver = null;
80 void setType(TransactionListItem.Type newType) {
81 if (newType == lastType)
86 vHeader.setVisibility(View.GONE);
87 vTransaction.setVisibility(View.VISIBLE);
88 vDelimiter.setVisibility(View.GONE);
89 dropLastUpdateObserver();
92 vHeader.setVisibility(View.GONE);
93 vTransaction.setVisibility(View.GONE);
94 vDelimiter.setVisibility(View.VISIBLE);
95 dropLastUpdateObserver();
98 vHeader.setVisibility(View.VISIBLE);
99 vTransaction.setVisibility(View.GONE);
100 vDelimiter.setVisibility(View.GONE);
101 initLastUpdateObserver();
104 throw new IllegalStateException("Unexpected value: " + newType);