kmpdfkit_demo/lib/widgets/function/attrwidget/attr_free_text_widget.dart

import 'package:flutter/material.dart';
import 'package:kmpdfkit_demo/widgets/constains.dart';
import 'package:kmpdfkit_demo/widgets/models/annot_attribute_bean.dart';

import 'attr_color_list_widget.dart';
import 'base_slider_widget.dart';

typedef AttrFreeTextCallback = Function(AnnotAttributeBean);

///  attr_free_text_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 AttrFreeTextWidget extends StatefulWidget {
  AnnotAttributeBean bean;
  AttrFreeTextCallback callback;

  AttrFreeTextWidget({Key? key, required this.bean, required this.callback})
      : super(key: key);

  @override
  State<AttrFreeTextWidget> createState() => _AttrFreeTextWidgetState();
}

class _AttrFreeTextWidgetState extends State<AttrFreeTextWidget> {
  bool _isFontWidget = true;
  bool isBold = false;

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Row(
          children: [
            Expanded(
                child: TextButton(
                    onPressed: () {
                      setState(() {
                        _isFontWidget = true;
                      });
                    },
                    child: Text(
                      'FONT',
                      style: TextStyle(
                          color: _isFontWidget ? Colors.blue : Colors.grey,
                          fontWeight: _isFontWidget
                              ? FontWeight.bold
                              : FontWeight.normal),
                    ))),
            Expanded(
                child: TextButton(
                    onPressed: () {
                      setState(() {
                        _isFontWidget = false;
                      });
                    },
                    child: Text('STYLE',
                        style: TextStyle(
                            color: !_isFontWidget ? Colors.blue : Colors.grey,
                            fontWeight: !_isFontWidget
                                ? FontWeight.bold
                                : FontWeight.normal))))
          ],
        ),
        _isFontWidget ? _fontWidget() : _styleWidget()
      ],
    );
  }

  Widget _fontWidget() {
    return Column(
      key: const ValueKey('free_text_font'),
      children: [
        Row(
          children: [
            TextButton(
                onPressed: () {
                  setState(() {
                    widget.bean.fontBold = !widget.bean.fontBold;
                    widget.callback(widget.bean);
                  });
                },
                child: Text('B',
                    style: TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 16,
                        color:
                            widget.bean.fontBold ? Colors.blue : Colors.grey))),
            TextButton(
                onPressed: () {
                  setState(() {
                    widget.bean.fontItalic = !widget.bean.fontItalic;
                    widget.callback(widget.bean);
                  });
                },
                child: Text('I',
                    style: TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 16,
                        fontStyle: FontStyle.italic,
                        color: widget.bean.fontItalic
                            ? Colors.blue
                            : Colors.grey)))
          ],
        ),
        ListView(
          primary: true,
          shrinkWrap: true,
          children: [
            for (var value in FontType.values) ...{
              ListTile(
                title: Text(value.name),
                trailing: widget.bean.fontType == value
                    ? const Icon(Icons.check)
                    : null,
                onTap: () {
                  setState(() {
                    widget.bean.fontType = value;
                    widget.callback(widget.bean);
                  });
                },
              ),
              const Divider(color: Colors.grey, height: 1)
            }
          ],
        )
      ],
    );
  }

  Widget _styleWidget() {
    return Column(
      key: const ValueKey('free_text_style'),
      children: [
        ColorListWidget(
            color: widget.bean.textColor,
            colorOptionsCallback: (textColor) {
              widget.bean.textColor = textColor;
              widget.callback(widget.bean);
            }),
        colorAlphaWidget(
            currentAlphaValue: widget.bean.textColorAlpha,
            alphaOptionsCallback: (textColorAlpha) {
              widget.bean.textColorAlpha = textColorAlpha.round();
              widget.callback(widget.bean);
            }),
        BaseSliderWidget(
            sliderCurrentValue: widget.bean.fontSize.toDouble(),
            sliderMinValue: 1,
            sliderMaxValue: 100,
            icon: Icons.format_size,
            valueShowType: ValueShowType.sourceValue,
            sliderValueCallback: (fontSize) {
              widget.bean.fontSize = fontSize.round();
              widget.callback(widget.bean);
            })
      ],
    );
  }
}