zwallet/lib/transaction.dart

import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';

import 'main.dart';
import 'settings.dart';
import 'store.dart';
import 'generated/l10n.dart';

class TransactionPage extends StatefulWidget {
  final int txIndex;

  TransactionPage(this.txIndex);

  @override
  State<StatefulWidget> createState() => TransactionState();
}

class TransactionState extends State<TransactionPage> {
  late int txIndex;

  @override
  void initState() {
    super.initState();
    txIndex = widget.txIndex;
  }

  Tx get tx => active.sortedTxs[txIndex];

  @override
  Widget build(BuildContext context) {
    final n = active.sortedTxs.length;
    return Scaffold(
        appBar: AppBar(title: Text(S.of(context).transactionDetails)),
        body: ListView(padding: EdgeInsets.all(16), children: [
          ListTile(
              title: Text('TXID'), subtitle: SelectableText('${tx.fullTxId}')),
          ListTile(
              title: Text(S.of(context).height), subtitle: SelectableText('${tx.height}')),
          ListTile(
              title: Text(S.of(context).confs), subtitle: SelectableText('${syncStatus.latestHeight - tx.height + 1}')),
          ListTile(
              title: Text(S.of(context).timestamp),
              subtitle: Text('${tx.timestamp}')),
          ListTile(title: Text(S.of(context).amount), subtitle: SelectableText(decimalFormat(tx.value, 8))),
          ListTile(
              title: Text(S.of(context).address), subtitle: SelectableText('${tx.address}')),
          ListTile(
              title: Text(S.of(context).contactName), subtitle: SelectableText('${tx.contact ?? "N/A"}')),
          ListTile(title: Text(S.of(context).memo), subtitle: SelectableText('${tx.memo}')),
          ButtonBar(alignment: MainAxisAlignment.center, children: [
            IconButton(onPressed: txIndex > 0 ? _prev : null, icon: Icon(Icons.chevron_left)),
            ElevatedButton(onPressed: _onOpen, child: Text(S.of(context).openInExplorer)),
            IconButton(onPressed: txIndex < n-1 ? _next : null, icon: Icon(Icons.chevron_right)),
          ]),
        ]));
  }

  _onOpen() {
    launch("${activeCoin().explorerUrl}${tx.fullTxId}");
  }

  _prev() {
    setState(() {
      txIndex -= 1;
    });
  }

  _next() {
    setState(() {
      txIndex += 1;
    });
  }
}