kmpdfkit_demo/lib/widgets/function/setting/setting_pdf_page_turning_widget.dart

import 'package:flutter/material.dart';
import 'package:kmpdfkit_demo/widgets/contains.dart';
import 'package:kmpdfkit_demo/widgets/events.dart';


///  setting_pdf_page_turning_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.


class PDFPageTurningWidget extends StatefulWidget {

  const PDFPageTurningWidget({Key? key}) : super(key: key);

  @override
  State<PDFPageTurningWidget> createState() => _PDFPageTurningWidgetState();
}

class _PDFPageTurningWidgetState extends State<PDFPageTurningWidget> {
  bool _isVertical = true;
  bool _isContinue = true;
  bool _isDoublePage = false;
  bool _coverPageMode = false;
  bool _isCropPageMode = false;


  @override
  void initState() {
    super.initState();
    initPageTurning();
  }


  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        item('Vertical', _isVertical, (value) async {
          setScrollDirection(value ? ScrollDirection.vertical : ScrollDirection.horizontal).then((value){
            setState(() {
              _isVertical = value;
            });
          });
        }),
        item('Continue', _isContinue, (value) {
          setIsContinueMode(value).then((value) {
            setState(() {
              _isContinue = value;
            });
          });
        }),
        item('Double page', _isDoublePage, (value) async {
          setPageMode(value).then((value) {
            setState(() {
              _isDoublePage = value;
            });
          });
        }),
        item('Cover page', _coverPageMode, (value) {
          setIsCoverPageMode(value).then((value){
            setState(() {
              _coverPageMode = value;
            });
          });
        }),
        item('Crop page', _isCropPageMode, (value) {
          setIsCropPageMode(value).then((value){
            setState(() {
              _isCropPageMode = value;
            });
          });
        }),
      ],
    );
  }

  Widget item(String title, bool value, ValueChanged<bool> callback) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 8),
      height: 50,
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(
            title,
            style: const TextStyle(fontSize: 16),
          ),
          Switch(value: value, onChanged: callback)
        ],
      ),
    );
  }


  void initPageTurning() async {

    bool isVertical = await scrollDirectionIsVerticalMode();
    setState(() {
      _isVertical = isVertical;

    });
    bool doublePage = await isDoublePage();
    bool isContinue = await isContinueMode();
    bool isCoverMode = await isCoverPageMode();
    bool isCropMode = await isCropPageMode();
    setState(() {
      _isDoublePage = doublePage;
      _isContinue = isContinue;
      _coverPageMode = isCoverMode;
      _isCropPageMode = isCropMode;
    });

  }


}