103 lines
3.2 KiB
Plaintext
103 lines
3.2 KiB
Plaintext
<template>
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<view v-if="inited"
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class="l-overlay"
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ref="overlayRef"
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:class="[lClass, classes]"
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:style="[styles, lStyle]"
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@click.stop="onClick"
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@touchmove.stop="noop"
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@transitionend="finished"
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:aria-role="ariaRole"
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:aria-label="ariaLabel">
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<slot></slot>
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</view>
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</template>
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<script lang="uts" setup>
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/**
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* Overlay 遮罩层组件
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* @description 用于创建模态遮罩层，通常配合弹窗、对话框等组件使用
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* <br>插件类型：LOverlayComponentPublicInstance
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* @tutorial https://ext.dcloud.net.cn/plugin?name=lime-overlay
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*
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* @property {string} ariaLabel 无障碍访问标签（需语义化描述作用）
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* @property {string} ariaRole ARIA角色属性（默认：'presentation'）
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* @property {string} lClass 自定义类名（会覆盖默认样式）
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* @property {string} bgColor 背景颜色（默认：'rgba(0, 0, 0, 0.7)'）
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* @property {string} lStyle 自定义样式（最高优先级，支持CSS字符串）
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* @property {number} duration 背景过渡动画时长（单位：ms，默认：300）
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* @property {boolean} preventScrollThrough 阻止滚动穿透（默认：true）
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* @property {boolean} visible 是否显示遮罩层（支持v-model）
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* @property {number} zIndex 层级（默认：1000）
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* @event {Function} click 点击遮罩层时触发（常用于关闭操作）
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* @event {Function} before-enter
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* @event {Function} enter
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* @event {Function} after-enter
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* @event {Function} before-leave
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* @event {Function} leave
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* @event {Function} after-leave
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*/
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import { useTransition, type UseTransitionOptions, type TransitionEmitStatus } from '@/uni_modules/lime-transition';
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import { OverlayProps } from './type';
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// defineOptions({
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// name:'l-overlay'
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// })
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const props = withDefaults(defineProps<OverlayProps>(), {
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ariaLabel: '关闭',
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ariaRole: 'button',
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preventScrollThrough: true,
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zIndex: 998,
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visible: false,
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duration: 300,
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})
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const emit = defineEmits(['click', 'before-enter', 'enter', 'after-enter', 'before-leave', 'leave', 'after-leave'])
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const {inited, display, classes, finished} = useTransition({
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defaultName: 'fade',
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appear: props.visible,
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emits: (name:TransitionEmitStatus) => { emit(name) },
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visible: (): boolean => props.visible,
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duration: props.duration,
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} as UseTransitionOptions)
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const styles = computed<Map<string,any>>(():Map<string,any> => {
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const style = new Map<string,any>();
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if (props.bgColor != null) {
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style.set("background-color", props.bgColor!)
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}
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if (props.zIndex > 0) {
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style.set("z-index", props.zIndex)
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}
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// #ifndef APP || WEB
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style.set('transition-duration', props.duration + 'ms')
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if (!display.value) {
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style.set("display", "none")
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}
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// #endif
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return style
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})
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const noop = () => {}
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const onClick = (event: UniPointerEvent) =>{
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// event.stopPropagation()
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emit('click', !props.visible)
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}
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// #ifdef APP || WEB
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const overlayRef = ref<UniElement|null>(null)
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watchEffect(()=>{
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overlayRef.value?.style.setProperty('transition-duration', `${props.duration}ms`)
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if(!display.value){
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overlayRef.value?.style.setProperty('display', "none")
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} else {
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overlayRef.value?.style.setProperty('display', "flex")
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}
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})
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// #endif
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</script>
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<style lang="scss">
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@import './index';
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</style> |