kmpdfkit_demo/lib/widgets/common/dialog/cpd_input_dialog_widget.dart

import 'package:compdfkit_flutter/common/util/Strings.dart';
import 'package:compdfkit_flutter/theme/themes.dart';
import 'package:flutter/material.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.

Future<String?> showCPDFInputDialog(BuildContext context,
    {bool isDark = false,
    String title = '',
    String? text,
    String hintText = '',
    String? cancelText,
    String positiveText = '',
    VoidCallback? onCancel,
    ValueChanged<String>? onPositive}) async {
  String? value = await showDialog<String>(
      context: context,
      builder: (context) {
        return CPDFInputDialogWidget(
            title: title,
            text: text,
            isDark: isDark,
            hintText: hintText,
            cancelText: cancelText,
            positiveText: positiveText,
            onCancel: onCancel,
            onPositive: onPositive);
      });
  return value;
}

class CPDFInputDialogWidget extends StatefulWidget {
  final String title;

  final String hintText;

  final String? text;

  final String? cancelText;

  final String positiveText;

  final bool isDark;

  final VoidCallback? onCancel;

  final ValueChanged<String>? onPositive;

  const CPDFInputDialogWidget(
      {this.title = '',
      this.text,
      this.hintText = '',
      this.cancelText,
      this.positiveText = Strings.OK,
      this.isDark = false,
      this.onCancel,
      this.onPositive,
      super.key});

  @override
  State<CPDFInputDialogWidget> createState() => _CPDFInputDialogWidgetState();
}

class _CPDFInputDialogWidgetState extends State<CPDFInputDialogWidget> {
  final TextEditingController _controller = TextEditingController();

  @override
  void initState() {
    super.initState();
    if (widget.text != null) {
      _controller.text = widget.text!;
    }
  }

  @override
  Widget build(BuildContext context) {
    return Theme(
        data: widget.isDark ? comPDFKitDarkTheme : comPDFKitLightTheme,
        child: Builder(builder: (context) {
          return AlertDialog(
            contentPadding:
                const EdgeInsets.symmetric(horizontal: 24, vertical: 8),
            title: Text(widget.title,
                style: Theme.of(context).textTheme.titleMedium),
            content: SizedBox(
              width: 260,
              child: TextField(
                keyboardType: TextInputType.number,
                controller: _controller,
                decoration: textFieldStyle(context).copyWith(
                  hintText: widget.hintText,
                ),
                onChanged: (v) {},
              ),
            ),
            actions: <Widget>[
              if (widget.cancelText != null) ...{
                TextButton(
                    onPressed: () {
                      if (widget.onCancel != null) {
                        widget.onCancel!();
                      }
                    },
                    child: Text(widget.cancelText!))
              },
              TextButton(
                  onPressed: () {
                    if (widget.onPositive != null) {
                      widget.onPositive!(_controller.text);
                    }
                  },
                  child: Text(
                    widget.positiveText,
                  )),
            ],
          );
        }));
  }
}