astromic_elements/lib/src/Toggles/Checkbox/checkbox.toggle.dart

//SECTION - Imports
//
//s1 PACKAGES
//---------------
//s2 CORE
import 'package:flutter/material.dart';

//s2 3RD-PARTY
//
//s1 DEPENDENCIES
//---------------
//s2 SERVICES
//s2 MODELS
//s2 MISC
//!SECTION - Imports
//
//SECTION - Exports
//!SECTION - Exports
//
class AstromicCheckboxToggle extends StatefulWidget {
  //SECTION - Widget Arguments
  //s1 -- Functionality
  /// If provided, you have to change the variable yourself in the onStateChanged!
  final bool? stateVariable;
  final bool? initialState;
  final void Function(bool)? onStateChanged;
  //s1 -- Configuration
  final bool? isEnabled;
  final bool? isLabelTapable;
  final TextDirection textDirection;
  //s1 -- Style
  final double? itemSize;
  final double? labelSpacing;
  //
  //s1 -- Content
  final Widget Function(bool isChecked, bool isEnabled, VoidCallback? onTap) itemBuilder;
  final Widget Function(bool isChecked, bool isEnabled, VoidCallback? onTap)? labelBuilder;
  //!SECTION
  //
  const AstromicCheckboxToggle(
      {super.key,
      //s1 -- Functionality
      this.stateVariable,
      this.initialState,
      this.onStateChanged,
      //s1 -- Configuration
      this.isEnabled = true,
      this.isLabelTapable = true,
      this.textDirection = TextDirection.ltr,
      //s1 -- Style
      this.itemSize = 24,
      this.labelSpacing = 6,
      //s1 -- Content
      required this.itemBuilder,
      this.labelBuilder})
      : assert(stateVariable == null || initialState == null, "Can't define both the state variable and the initial state");

  @override
  State<AstromicCheckboxToggle> createState() => _AstromicCheckboxToggleState();
}

class _AstromicCheckboxToggleState extends State<AstromicCheckboxToggle> {
  //
  //SECTION - State Variables
  //s1 --Controllers
  //s1 --Controllers
  //
  //s1 --State
  late bool isChecked;
  //s1 --State
  //
  //s1 --Constants
  //s1 --Constants
  //!SECTION

  @override
  void initState() {
    super.initState();
    //
    //SECTION - State Variables initializations & Listeners
    //s1 --Controllers & Listeners
    //s1 --Controllers & Listeners
    //
    //s1 --State
    isChecked = widget.initialState ?? widget.stateVariable ?? false;
    //s1 --State
    //
    //s1 --Late & Async Initializers
    //s1 --Late & Async Initializers
    //!SECTION
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    //
    //SECTION - State Variables initializations & Listeners
    //s1 --State
    //s1 --State
    //!SECTION
  }

  @override
  void didUpdateWidget(AstromicCheckboxToggle oldWidget) {
    if (widget.stateVariable != null && widget.stateVariable != oldWidget.stateVariable) {
      isChecked = widget.stateVariable!;
    }
    super.didUpdateWidget(oldWidget);
  }

  //SECTION - Stateless functions
  //!SECTION

  //SECTION - Action Callbacks
  _onTap() {
    setState(() {
      isChecked = !isChecked;
      if (widget.onStateChanged != null) widget.onStateChanged!(isChecked);
    });
  }
  //!SECTION

  @override
  Widget build(BuildContext context) {
    //SECTION - Build Setup
    //s1 -Values
    //double w = MediaQuery.of(context).size.width;
    //double h = MediaQuery.of(context).size.height;
    //s1 -Values
    //
    //s1 -Widgets
    //s1 -Widgets
    //!SECTION

    //SECTION - Build Return
    return Directionality(
      textDirection: widget.textDirection,
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          //S1 -- Item
          SizedBox(
            width: widget.itemSize,
            height: widget.itemSize,
            child: widget.itemBuilder(isChecked, widget.isEnabled!, widget.isEnabled! ? () => _onTap() : null),
          ),
          //S1 -- Label Spacing
          if (widget.labelBuilder != null) SizedBox(width: widget.labelSpacing),
          //S1 -- Label
          if (widget.labelBuilder != null) widget.labelBuilder!(isChecked, widget.isEnabled!, widget.isEnabled! ? () => _onTap() : null),
        ],
      ),
    );

    //!SECTION
  }
}