kmpdfkit_demo/lib/widgets/function/annot_attribute_options_widget.dart

import 'package:flutter/material.dart';
import 'package:kmpdfkit_demo/widgets/constains.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/attr_free_text_widget.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/attr_signature_list_widget.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/base_slider_widget.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/attr_color_list_widget.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/attr_ink_pen_wave_widget.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/attr_ink_line_width_widget.dart';
import 'package:kmpdfkit_demo/widgets/function/attrwidget/attr_shape_type_widget.dart';
import 'package:kmpdfkit_demo/widgets/models/annot_attribute_bean.dart';
import 'package:kmpdfkit_demo/widgets/models/annot_bean.dart';

///  annot_attribute_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.

typedef AnnotAttributeOptionsCallback = void Function(AnnotAttributeBean);

class AnnotAttributeOptionsWidget extends StatefulWidget {
  AnnotBean annotBean;
  final AnnotAttributeOptionsCallback attributeOptionsCallback;

  AnnotAttributeOptionsWidget(
      {Key? key,
      required this.annotBean,
      required this.attributeOptionsCallback})
      : super(key: key);

  @override
  State<AnnotAttributeOptionsWidget> createState() =>
      _AnnotAttributeOptionsWidgetState();
}

class _AnnotAttributeOptionsWidgetState
    extends State<AnnotAttributeOptionsWidget> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return annotationAttrWidget();
  }

  Widget annotationAttrWidget() {
    switch (widget.annotBean.annotType) {
      case AnnotationType.highlight:
      case AnnotationType.underline:
      case AnnotationType.squiggly:
      case AnnotationType.strikeout:
        {
          return Column(
              mainAxisSize: MainAxisSize.min,
              children: [_colorWidget(), _colorAlphaWidget()]);
        }
      case AnnotationType.ink:
        {
          return Column(mainAxisSize: MainAxisSize.min, children: [
            InkCurvedWidget(
              color: widget.annotBean.attributeBean.color,
              lineWidth: widget.annotBean.attributeBean.borderWidth,
              alpha: widget.annotBean.attributeBean.alpha,
            ),
            _colorWidget(),
            _colorAlphaWidget(),
            _inkPenSwitchWidget()
          ]);
        }
      case AnnotationType.shape:
        {
          return Column(mainAxisSize: MainAxisSize.min, children: [
            ShapeAttrWidget(
              bean: widget.annotBean.attributeBean,
              callback: (AnnotAttributeBean? bean) {
                if (bean != null) {
                  widget.annotBean.attributeBean = bean;
                }
                widget.attributeOptionsCallback(widget.annotBean.attributeBean);
              },
            )
          ]);
        }
      case AnnotationType.freetext:
        {
          return Column(mainAxisSize: MainAxisSize.min, children: [
            AttrFreeTextWidget(
              bean: widget.annotBean.attributeBean,
              callback: widget.attributeOptionsCallback,
            )
          ]);
        }
      case AnnotationType.signature:
        {
          return AttrSignatureListWidget(
            callback: (imagePath) {
              widget.annotBean.attributeBean
                ..imagePath = imagePath
                ..isSignature = true;
              widget.attributeOptionsCallback(widget.annotBean.attributeBean);
              Navigator.pop(context);
            },
          );
        }
      default:
        return const Placeholder();
    }
  }

  Widget _colorWidget() {
    return ColorListWidget(
        color: widget.annotBean.attributeBean.color,
        colorOptionsCallback: (color) {
          setState(() {
            widget.annotBean.attributeBean.color = color;
          });
          widget.attributeOptionsCallback(widget.annotBean.attributeBean);
        });
  }

  Widget _colorAlphaWidget() {
    return colorAlphaWidget(
        currentAlphaValue: widget.annotBean.attributeBean.alpha,
        alphaOptionsCallback: (value) {
          setState(() {
            widget.annotBean.attributeBean.alpha = value.round();
          });
          widget.attributeOptionsCallback(widget.annotBean.attributeBean);
        });
  }

  Widget _inkPenSwitchWidget() {
    return InkPenLineWidthWidget(
        borderWidth: widget.annotBean.attributeBean.borderWidth,
        inkBorderWidthCallback: (borderWidth) {
          setState(() {
            widget.annotBean.attributeBean.borderWidth = borderWidth;
            widget.attributeOptionsCallback(widget.annotBean.attributeBean);
          });
        });
  }
}