111 lines
2.9 KiB
Vue
111 lines
2.9 KiB
Vue
<template>
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<div v-resize="resizeHandler" class="dv-border-box-8">
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<svg class="dv-border-svg-container" :width="width" :height="height">
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<defs>
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<path :id="path" :d="pathD" fill="transparent" />
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<radialGradient :id="gradient" cx="50%" cy="50%" r="50%">
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<stop offset="0%" stop-color="#fff" stop-opacity="1" />
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<stop offset="100%" stop-color="#fff" stop-opacity="0" />
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</radialGradient>
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<mask :id="mask">
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<circle cx="0" cy="0" r="150" :fill="`url(#${gradient})`">
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<animateMotion :dur="`${dur}s`" :path="pathD" rotate="auto" repeatCount="indefinite" />
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</circle>
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</mask>
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</defs>
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<polygon
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:fill="propValue.base.backgroundColor"
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:points="`5, 5 ${width - 5}, 5 ${width - 5} ${height - 5} 5, ${height - 5}`"
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/>
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<use :stroke="propValue.base.colorLeft" stroke-width="1" :xlink:href="`#${path}`" />
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<use
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:stroke="propValue.base.colorRight"
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stroke-width="3"
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:xlink:href="`#${path}`"
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:mask="`url(#${mask})`"
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>
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<animate
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attributeName="stroke-dasharray"
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:from="`0, ${length}`"
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:to="`${length}, 0`"
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:dur="`${dur}s`"
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repeatCount="indefinite"
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/>
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</use>
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</svg>
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</div>
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</template>
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<script setup lang="ts">
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import { useProp } from 'open-data-v/base'
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import { computed, ref } from 'vue'
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import { uuid } from '@/utils/utils'
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import type BorderBoxComponent from './config'
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import type { BorderBox } from './type'
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const props = defineProps<{
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component: BorderBoxComponent
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}>()
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const { propValue } = useProp<BorderBox>(props.component)
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const width = ref<number>(150)
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const height = ref<number>(150)
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const path = ref<string>(`border-box-8-path-${uuid()}`)
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const gradient = ref<string>(`border-box-8-gradient-${uuid()}`)
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const mask = ref<string>(`border-box-8-mask-${uuid()}`)
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// 监听窗口大小变化
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const resizeHandler = (entry: ResizeObserverEntry) => {
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const rect: DOMRectReadOnly = entry.contentRect
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width.value = rect.width
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height.value = rect.height
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}
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const dur = computed(() => {
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if (propValue.base.dur) {
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return propValue.base.dur
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}
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return 3
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})
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const length = computed(() => {
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return (width.value + height.value - 5) * 2
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})
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const pathD = computed(() => {
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if (propValue.base.reverse) {
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return `M 2.5, 2.5 L 2.5, ${height.value - 2.5} L ${width.value - 2.5}, ${
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height.value - 2.5
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} L ${width.value - 2.5}, 2.5 L 2.5, 2.5`
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}
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return `M2.5, 2.5 L${width.value - 2.5}, 2.5 L${width.value - 2.5}, ${height.value - 2.5} L2.5, ${
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height.value - 2.5
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} L2.5, 2.5`
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})
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</script>
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<style lang="less" scoped>
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.dv-border-box-8 {
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// position: relative;
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width: 100%;
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height: 100%;
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pointer-events: none;
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.dv-border-svg-container {
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position: absolute;
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width: 100%;
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height: 100%;
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left: 0;
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top: 0;
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}
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}
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</style>
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