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// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:jsonexample/utils.dart';
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class SimpleObjectView extends StatelessWidget {
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const SimpleObjectView(this.simpleObject);
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final dynamic simpleObject;
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@override
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Widget build(BuildContext context) {
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final localTheme = Theme.of(context).textTheme;
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final boldStyle =
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localTheme.bodyText2!.copyWith(fontWeight: FontWeight.w600);
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if (simpleObject == null) return Text('NULL', style: localTheme.bodyText2);
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return Table(
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columnWidths: const {
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0: IntrinsicColumnWidth(),
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1: FlexColumnWidth(1.0),
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},
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children: [
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TableRow(
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children: [
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Text(
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'aString:',
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style: boldStyle,
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),
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Text(
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simpleObject.aString != null
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? '"${simpleObject.aString}"'
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: 'NULL',
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(
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children: [
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Text('anInt:', style: boldStyle),
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Text(
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simpleObject.anInt?.toString() ?? 'NULL',
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(children: [
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Text('aDouble:', style: boldStyle),
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Text(
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simpleObject.aDouble?.toString() ?? 'NULL',
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style: localTheme.bodyText2,
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),
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]),
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TableRow(
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children: [
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Text('aListOfStrings:', style: boldStyle),
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Text(
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prettyPrintList(
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simpleObject.aListOfStrings as Iterable<dynamic>?,
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),
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(
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children: [
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Text('aListOfInts:', style: boldStyle),
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Text(
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prettyPrintList(simpleObject.aListOfInts as Iterable<dynamic>?),
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(
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children: [
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Padding(
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padding: const EdgeInsets.only(right: 8.0),
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child: Text('aListOfDoubles:', style: boldStyle),
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),
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Text(
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prettyPrintList(
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simpleObject.aListOfDoubles as Iterable<dynamic>?),
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style: localTheme.bodyText2,
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),
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],
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),
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],
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);
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}
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}
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class SimpleObjectViewList extends StatelessWidget {
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const SimpleObjectViewList(this.simpleObjects);
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final List<dynamic> simpleObjects;
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@override
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Widget build(BuildContext context) {
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final widgets = <Widget>[];
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for (var i = 0; i < simpleObjects.length; i++) {
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widgets.addAll([
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Text(
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'SimpleObject $i:',
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style: Theme.of(context).textTheme.subtitle1,
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),
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const SizedBox(height: 4.0),
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SimpleObjectView(simpleObjects[i]),
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const SizedBox(height: 24.0),
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]);
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}
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widgets.removeLast();
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: widgets,
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);
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}
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}
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class ComplexObjectView extends StatelessWidget {
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final dynamic complexObject;
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const ComplexObjectView(this.complexObject);
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List<Widget> _generateSimpleObjectWidgets(Iterable<dynamic>? simpleObjects) {
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if (simpleObjects == null) {
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return [
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const Padding(
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padding: EdgeInsets.symmetric(vertical: 8.0),
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child: Text('NULL'),
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),
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];
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}
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if (simpleObjects.isEmpty) {
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return [
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const Padding(
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padding: EdgeInsets.symmetric(vertical: 4.0),
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child: Text('[]'),
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),
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];
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}
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return simpleObjects
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.expand((dynamic o) => [
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const SizedBox(height: 4.0),
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SimpleObjectView(o),
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const SizedBox(height: 4.0),
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])
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.toList();
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}
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@override
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Widget build(BuildContext context) {
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final localTheme = Theme.of(context).textTheme;
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final boldStyle =
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localTheme.bodyText2!.copyWith(fontWeight: FontWeight.w600);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Table(
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columnWidths: const {
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0: IntrinsicColumnWidth(),
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1: FlexColumnWidth(1.0),
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},
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children: [
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TableRow(
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children: [
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Text('aString:', style: boldStyle),
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Text(
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complexObject.aString != null
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? '"${complexObject.aString}"'
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: 'NULL',
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style: localTheme.bodyText2),
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],
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),
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TableRow(
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children: [
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Text('anInt:', style: boldStyle),
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Text(complexObject.anInt?.toString() ?? 'NULL',
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style: localTheme.bodyText2),
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],
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),
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TableRow(
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children: [
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Text('aDouble:', style: boldStyle),
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Text(complexObject.aDouble?.toString() ?? 'NULL',
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style: localTheme.bodyText2),
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],
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),
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TableRow(
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children: [
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Text('anObject:', style: boldStyle),
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Container(),
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],
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),
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],
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(24.0, 4.0, 0.0, 4.0),
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child: SimpleObjectView(complexObject.anObject),
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),
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Table(
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columnWidths: const {
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0: IntrinsicColumnWidth(),
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1: FlexColumnWidth(1.0),
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},
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children: [
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TableRow(
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children: [
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Text('aListOfStrings:', style: boldStyle),
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Text(
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prettyPrintList(
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complexObject.aListOfStrings as Iterable<dynamic>?),
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(
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children: [
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Text('aListOfInts:', style: boldStyle),
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Text(
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prettyPrintList(
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complexObject.aListOfInts as Iterable<dynamic>?),
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(
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children: [
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Padding(
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padding: const EdgeInsets.only(right: 8.0),
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child: Text('aListOfDoubles:', style: boldStyle),
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),
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Text(
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prettyPrintList(
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complexObject.aListOfDoubles as Iterable<dynamic>?),
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style: localTheme.bodyText2,
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),
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],
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),
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TableRow(
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children: [
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Text('aListOfObjects:', style: boldStyle),
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Container()
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],
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),
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],
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),
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Padding(
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padding: const EdgeInsets.only(left: 24.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: _generateSimpleObjectWidgets(
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complexObject.aListOfObjects as Iterable<dynamic>?),
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),
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),
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],
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);
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}
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}
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class ComplexObjectViewList extends StatelessWidget {
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const ComplexObjectViewList(this.complexObjects);
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final List<dynamic> complexObjects;
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@override
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Widget build(BuildContext context) {
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final widgets = <Widget>[];
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for (var i = 0; i < complexObjects.length; i++) {
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widgets.addAll([
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Text(
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'Complex Object $i:',
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style: Theme.of(context).textTheme.subtitle1,
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),
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const SizedBox(height: 4.0),
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ComplexObjectView(complexObjects[i]),
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const SizedBox(height: 24.0),
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]);
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}
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widgets.removeLast();
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: widgets,
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);
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}
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}
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