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@alilc/graph-react-renderer

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@alilc/graph-react-renderer

for Graph Editor Engine


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node 的样式的编写规则

是否可拖拽

鼠标 mousedown 一个 node 节点并且移动的时候,是否可以移动画布上的内容

// 节点的属性
export interface INodeProps {
  itemName: string;
  itemColor: string;
  img: string;
  itemDesc?: string;
  selected: boolean;
  hovered: boolean;
  error: boolean;
  // 是否可拖拽,默认可拖拽
  draggable?: boolean;
}

// 如果想要在某个shape上覆盖 nodeProps: INodeProps 上的 draggable 属性,可以按照如下设置
const DemoNode = (props: INodeProps) => {
  return (
    <Shape>
      <Rect name="border-wrapper" draggable={false} style={{ 
        borderRadius: 4, 
      }}>
        <Text name="border-wrapper-text">内容</Text>
      </Rect>
    </Shape>
  )
}

export default DemoNode;
透明度相关
  • 透明度相关属性包括:opacity,fillOpacity,strokeOpacity, 适用的元素:Rect, Image;
  • fillOpacity 和 strokeOpacity 的优先级高于 opacity;
  • 透明度还需要考虑元素的父子嵌套关系,子元素的透明度 = 父元素的透明度 * 自身透明度,透明度默认值为:globalAlpha,未设置则为 1;
  • opacity: Number 范围 [0, 1]
  • fillOpacity: Number 范围 [0, 1]
  • strokeOpacity: Number 范围 [0, 1]
export interface IOpacityStyle {
  opacity?: number;
  fillOpacity?: number;
  strokeOpacity?: number;
}

const DemoNode = (props: INodeProps) => {
  return (
    <Shape>
      <Rect name="border-wrapper" draggable={false} style={{ 
        borderRadius: 4, 
        opacity: 0.5,
        fillOpacity: 0.5,
        strokeOpacity: 0.5,
      }}>
        <Text name="border-wrapper-text">内容</Text>
      </Rect>
    </Shape>
  )
}

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Package last updated on 31 Jan 2023

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