ant-design-vue/components/tree/utils/dropIndicator.tsx

34 lines
941 B
Vue

import type { CSSProperties } from 'vue';
export const offset = 4;
export default function dropIndicatorRender(props: {
dropPosition: -1 | 0 | 1;
dropLevelOffset: number;
indent: number;
prefixCls: string;
direction: 'ltr' | 'rtl';
}) {
const { dropPosition, dropLevelOffset, prefixCls, indent, direction = 'ltr' } = props;
const startPosition = direction === 'ltr' ? 'left' : 'right';
const endPosition = direction === 'ltr' ? 'right' : 'left';
const style: CSSProperties = {
[startPosition]: `${-dropLevelOffset * indent + offset}px`,
[endPosition]: 0,
};
switch (dropPosition) {
case -1:
style.top = `${-3}px`;
break;
case 1:
style.bottom = `${-3}px`;
break;
default:
// dropPosition === 0
style.bottom = `${-3}px`;
style[startPosition] = `${indent + offset}px`;
break;
}
return <div style={style} class={`${prefixCls}-drop-indicator`} />;
}