kmpdfkit_demo/example/lib/widgets/options/convert_html_options_widget.dart

///  convert_html_options_widget.dart
///
///  Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
///
///  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
///  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
///  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
///  This notice may not be removed from this file.

import 'package:flutter/material.dart';
import 'package:kmpdfkit_conversion_flutter/models/options/convert_html_options.dart';
import 'package:provider/provider.dart';

import '../../states/convert_options_provider.dart';

class ConvertHtmlOptionsWidget extends StatefulWidget {
  const ConvertHtmlOptionsWidget({Key? key}) : super(key: key);

  @override
  State<ConvertHtmlOptionsWidget> createState() =>
      _ConvertHtmlOptionsWidgetState();
}

class _ConvertHtmlOptionsWidgetState extends State<ConvertHtmlOptionsWidget> {
  @override
  Widget build(BuildContext context) {
    bool containImages = context.select<ConvertOptionsProvider, bool>(
        (value) => value.htmlOptions.containImages);
    bool containAnnotations = context.select<ConvertOptionsProvider, bool>(
        (value) => value.htmlOptions.containAnnotations);
    return Padding(
        padding: const EdgeInsets.all(8),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                const Text('ContainImages'),
                Switch(
                    value: containImages,
                    onChanged: (value) {
                      context
                          .read<ConvertOptionsProvider>()
                          .changeHtmlOptions(containImages: value);
                    })
              ],
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                const Text('ContainAnnotations'),
                Switch(
                    value: containAnnotations,
                    onChanged: (value) {
                      context
                          .read<ConvertOptionsProvider>()
                          .changeHtmlOptions(containAnnotations: value);
                    })
              ],
            ),
            htmlPageOptionsItem((value) {
              context
                  .read<ConvertOptionsProvider>()
                  .changeHtmlOptions(htmlPageOptions: value);
            }),
          ],
        ));
  }

  Widget htmlPageOptionsItem(ValueChanged<HtmlPageOptions> onChanged) {
    HtmlPageOptions contentOptions =
        context.select<ConvertOptionsProvider, HtmlPageOptions>(
            (value) => value.htmlOptions.htmlPageOptions);
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        const Text('Page Options:'),
        _htmlPageOptionsItem(
            contentOptions, HtmlPageOptions.singlePage, onChanged),
        _htmlPageOptionsItem(contentOptions,
            HtmlPageOptions.singlePageNavigationByBookmark, onChanged),
        _htmlPageOptionsItem(
            contentOptions, HtmlPageOptions.multiplePages, onChanged),
        _htmlPageOptionsItem(contentOptions,
            HtmlPageOptions.multiplePagesSplitByBookmarks, onChanged),
      ],
    );
  }

  Widget _htmlPageOptionsItem(HtmlPageOptions currentOptions,
      HtmlPageOptions options, ValueChanged<HtmlPageOptions> onChanged) {
    return CheckboxListTile(
        controlAffinity: ListTileControlAffinity.leading,
        title: Text(options.name),
        value: currentOptions == options,
        onChanged: (value) {
          onChanged(options);
        });
  }
}