kmpdfkit_demo/example/lib/examples/cpdf_document_save_as_example.dart

/*
 * Copyright © 2014-2025 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 'dart:io';

import 'package:compdfkit_flutter/compdfkit.dart';
import 'package:compdfkit_flutter/configuration/cpdf_configuration.dart';
import 'package:compdfkit_flutter/widgets/cpdf_reader_widget.dart';
import 'package:compdfkit_flutter/widgets/cpdf_reader_widget_controller.dart';
import 'package:compdfkit_flutter_example/cpdf_reader_widget_example.dart';
import 'package:compdfkit_flutter_example/examples.dart';
import 'package:flutter/material.dart';

class CPDFSaveAsExample extends StatefulWidget {
  final String document;

  const CPDFSaveAsExample({super.key, required this.document});


  @override
  State<CPDFSaveAsExample> createState() => _CPDFSaveAsExampleState();
}

class _CPDFSaveAsExampleState extends State<CPDFSaveAsExample> {
  late CPDFReaderWidgetController controller;

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

  void initPDFPath() async {}
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text('Save As issues'),
          actions: [
            IconButton(
                onPressed: () async {
                  // await controller.document.save();

                  final tempDir = await ComPDFKit.getTemporaryDirectory();
                  String savePath = '${tempDir.path}/test_2.pdf';
                  bool saveResult = await controller.document.saveAs(savePath);
                  if (saveResult) {
                    var jump = await _showSaveResultDialog(savePath);
                    if (jump != null && context.mounted) {
                      goTo(CPDFReaderWidgetExample(documentPath: jump), context);
                    }
                  }
                },
                icon: const Icon(Icons.download)),
            IconButton(
                onPressed: () async {

                  final tempDir = await ComPDFKit.getTemporaryDirectory();
                  String savePath = '${tempDir.path}/test_2.pdf';
                  final file = File(savePath);
                  if(await file.exists()){
                    await file.delete();
                  }

                  // File xfdfFile = await extractAsset(context, 'pdfs/test.xfdf');
                  //
                  // // android Uri:
                  // //String xfdfFile = "content://xxx";
                  //
                  // bool result = await controller.document
                  //     .importAnnotations(xfdfFile.path);
                  // debugPrint('ComPDFKit:Document: importAnnotations:$result');
                },
                icon: const Icon(Icons.settings_ethernet_rounded)),

          ],
        ),
        body: CPDFReaderWidget(
            document: widget.document,
            configuration: CPDFConfiguration(),
            onCreated: (controller) {
              setState(() {
                this.controller = controller;
              });
            }));
  }

  Future<String?> _showSaveResultDialog(String path) async {
    return await showDialog(
        context: context,
        builder: (context) {
          return AlertDialog(
            title: const Text('Save Result'),
            content: Text('Save Path:$path'),
            actions: [
              TextButton(
                  onPressed: () {
                    Navigator.pop(context, null);
                  },
                  child: const Text('Cancel')),
              TextButton(
                  onPressed: () {
                    Navigator.pop(context, path);
                  },
                  child: const Text('Jump'))
            ],
          );
        });
  }
}