history.dart

import 'dart:io';

import 'package:flutter/services.dart';
import 'package:gecko/globals.dart';
import 'package:gecko/models/cesiumPlus.dart';
import 'package:gecko/models/queries.dart';
import 'package:gecko/models/history.dart';
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'dart:ui';
import 'package:graphql_flutter/graphql_flutter.dart';
import 'package:provider/provider.dart';
import 'package:truncate/truncate.dart';

// ignore: must_be_immutable
class HistoryScreen extends StatelessWidget with ChangeNotifier {
  final TextEditingController _outputPubkey = TextEditingController();
  ScrollController scrollController = ScrollController();
  final nRepositories = 20;
  // HistoryProvider _historyProvider;
  final _formKey = GlobalKey<FormState>();
  FocusNode _pubkeyFocus = FocusNode();
  List cesiumData;

  FetchMore fetchMore;
  FetchMoreOptions opts;

  @override
  Widget build(BuildContext context) {
    HistoryProvider _historyProvider = Provider.of<HistoryProvider>(context);
    this._outputPubkey.text = _historyProvider.pubkey;
    print('Build pubkey : ' + _historyProvider.pubkey);
    // _historyProvider.snackNode(context);
    WidgetsBinding.instance.addPostFrameCallback((_) {
      _historyProvider.snackNode(context);
    });

    return Scaffold(
        floatingActionButton: Container(
          height: 80.0,
          width: 80.0,
          child: FittedBox(
            child: FloatingActionButton(
              heroTag: "buttonScan",
              onPressed: () async {
                await _historyProvider.scan();
              },
              child: Container(
                  height: 40.0,
                  width: 40.0,
                  child: Image.asset('images/scanner.png')),
              backgroundColor: Color(
                  0xffEFEFBF), //Color(0xffFFD68E), //Color.fromARGB(500, 204, 255, 255),
            ),
          ),
        ),
        body: Column(children: <Widget>[
          SizedBox(height: 20),
          TextField(
              autofocus: false,
              focusNode: _pubkeyFocus,
              // Entrée de la pubkey
              onChanged: (text) {
                print("Clé tappxé: $text");
                _historyProvider.isPubkey(text);
              },
              controller: this._outputPubkey,
              maxLines: 1,
              textAlign: TextAlign.center,
              decoration: InputDecoration(