skywood/lib/utils/extend/widget_extend.dart

import 'package:flutter/material.dart';


// 扩展Widget类以添加额外的布局和样式方法
extension WidgetExtend on Widget {
  /// 在当前Widget外层添加一个Container
  ///
  /// 可以通过此方法设置容器的颜色、大小、边距、内边距、对齐方式等
  /// 如果设置了gradientColors，则会应用渐变色
  /// 边框和圆角也可以通过此方法自定义
  /// 添加点击事件处理函数onTap会创建一个InkWell
  Widget addContainer({
    Color? color,
    double? height,
    double? width,
    EdgeInsets? margin,
    EdgeInsets? padding,
    double? radius,
    BorderRadius? borderRadius,
    Border? border,
    GestureTapCallback? onTap,
    AlignmentGeometry? alignment,
    Gradient? gradient,
    List<BoxShadow>? boxShadow,
    BoxConstraints? constraints,
    Matrix4? transform,
    Clip clipBehavior = Clip.none,
    DecorationImage? image,
    BlendMode? backgroundBlendMode,
    BoxShape shape = BoxShape.rectangle,
    double? minWidth,
    double? maxWidth,
    double? minHeight,
    double? maxHeight,

    /// 打印 widget size 只在 debug 有效
    bool isPrintSize = false,
  }) {
    return Container(
      width: width,
      height: height,
      margin: margin,
      padding: padding,
      alignment: alignment,
      clipBehavior: clipBehavior,
      constraints: constraints ??
          BoxConstraints(
            minWidth: minWidth ?? 0.0,
            maxWidth: maxWidth ?? double.infinity,
            minHeight: minHeight ?? 0.0,
            maxHeight: maxHeight ?? double.infinity,
          ),
      transform: transform,
      decoration: BoxDecoration(
        color: color,
        boxShadow: boxShadow,
        backgroundBlendMode: backgroundBlendMode,
        shape: shape,
        image: image,
        gradient: gradient,
        border: border,
        borderRadius:
        radius != null ? BorderRadius.circular(radius) : borderRadius,
      ),
      child: this,
    ).addInkWell(onTap: onTap);
  }

  /// 在当前Widget外层添加一个Transform.translate
  ///
  /// 通过此方法可以设置控件的偏移量，实现位置移动的效果
  Widget addOffset({Offset offset = const Offset(0, 0)}) {
    return Transform.translate(offset: offset, child: this);
  }

  /// 在当前Widget外层添加一个Padding
  ///
  /// 通过此方法可以设置控件的内边距
  Widget addPadding({EdgeInsets? padding}) {
    return Padding(padding: padding ?? EdgeInsets.zero, child: this);
  }

  /// 在当前Widget外层添加一个Align
  ///
  /// 通过此方法可以设置控件的对齐方式
  Widget addAlign({AlignmentGeometry alignment = Alignment.centerLeft}) {
    return Align(
      alignment: alignment,
      child: this,
    );
  }

  Widget addCenter() {
    return Center(child: this);
  }

  /// 在当前Widget外层添加一个GestureDetector
  ///
  /// 通过此方法可以为控件添加点击事件处理函数
  Widget addGestureDetector({
    GestureTapCallback? onTap,
    GestureTapCallback? onDoubleTap,
    GestureLongPressCallback? onLongPress,
  }) {
    return GestureDetector(
      onTap: onTap,
      onDoubleTap: onDoubleTap,
      onLongPress: onLongPress,
      child: this,
    );
    // return GestureDetectorDebounced(
    //   onTap: onTap,
    //   child: this,
    // );
  }

  /// 在当前Widget外层添加一个Visibility
  ///
  /// 通过此方法可以控制控件的显示和隐藏
  Widget addVisibility({bool visible = true}) {
    return Visibility(
      visible: visible,
      child: this,
    );
  }

  /// 在当前Widget外层添加一个Transform.rotate
  ///
  /// 通过此方法可以设置控件的旋转角度
  Widget addRotate({double angle = 0}) {
    return Transform.rotate(
      angle: angle,
      child: this,
    );
  }

  /// 在当前Widget外层添加一个InkWell
  ///
  /// 通过此方法可以为控件添加点击事件处理函数
  Widget addInkWell({GestureTapCallback? onTap}) {
    if (onTap == null) {
      return this;
    }
    return InkWell(
      onTap: onTap,
      child: this,
    );
  }



  /// 在当前Widget外层添加一个SizedBox
  ///
  /// 通过此方法可以设置控件的宽高
  Widget addSize({double? width, double? height}) {
    return SizedBox(
      width: width,
      height: height,
      child: this,
    );
  }

  /// 在当前Widget外层添加一个Opacity
  ///
  /// 通过此方法可以设置控件的透明度
  Widget addOpacity({double opacity = 1}) {
    return Opacity(
      opacity: opacity,
      child: this,
    );
  }
}



extension OnRenderObjectWidget on RenderObjectWidget {
  SliverPadding addPaddingSliver({EdgeInsets? padding}) {
    return SliverPadding(
      padding: padding ?? EdgeInsets.zero,
      sliver: this,
    );
  }

  DecoratedSliver addDecoratedSliver({
    Color? color,
    BorderRadius? borderRadius,
    Border? border,
    BoxShape? shape,
    Gradient? gradient,
    List<BoxShadow>? boxShadow,
    EdgeInsets? padding,
  }) {
    return DecoratedSliver(
      decoration: BoxDecoration(
        color: color ?? Colors.white,
        border: border,
        borderRadius: borderRadius,
        boxShadow: boxShadow,
        gradient: gradient,
        shape: shape ?? BoxShape.rectangle,
      ),
      sliver: this.addPaddingSliver(padding: padding),
    );
  }
}