114 lines
3.1 KiB
Vue
114 lines
3.1 KiB
Vue
<template>
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<view
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class="u-mask"
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hover-stop-propagation
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:style="$u.toStyle(maskStyle, zoomStyle, customStyle)"
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@tap="click"
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@touchmove.stop.prevent="() => {}"
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:class="[
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{
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'u-mask-zoom': props.zoom,
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'u-mask-show': props.show
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},
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customClass
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]"
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>
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<slot />
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</view>
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</template>
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<script lang="ts">
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export default {
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name: 'u-mask',
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options: {
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addGlobalClass: true,
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// #ifndef MP-TOUTIAO
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virtualHost: true,
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// #endif
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styleIsolation: 'shared'
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}
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};
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</script>
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<script setup lang="ts">
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import { ref, computed, watch } from 'vue';
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import { $u } from '../..';
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import { MaskProps } from './types';
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/**
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* mask 遮罩
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* @description 创建一个遮罩层，用于强调特定的页面元素，并阻止用户对遮罩下层的内容进行操作，一般用于弹窗场景
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* @tutorial https://uviewpro.cn/zh/components/mask.html
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* @property {Boolean} show 是否显示遮罩（默认false）
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* @property {String|Number} z-index z-index 层级（默认1070）
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* @property {Object} custom-style 自定义样式对象，见上方说明
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* @property {String|Number} duration 动画时长，单位毫秒（默认300）
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* @property {Boolean} zoom 是否使用scale对遮罩进行缩放（默认true）
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* @property {Boolean} mask-click-able 遮罩是否可点击，为false时点击不会发送click事件（默认true）
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* @event {Function} click mask-click-able为true时，点击遮罩发送此事件
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* @example <u-mask :show="show" @click="show = false"></u-mask>
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*/
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const props = defineProps(MaskProps);
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const emit = defineEmits(['click']);
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// 缩放动画样式
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const zoomStyle = ref<{ transform: string }>({ transform: '' });
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// scale值
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const scale = 'scale(1.2, 1.2)';
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// 监听遮罩显示状态，动态设置缩放动画
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watch(
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() => props.show,
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n => {
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if (n && props.zoom) {
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// 当展示遮罩的时候，设置scale为1，达到缩小(原来为1.2)的效果
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zoomStyle.value.transform = 'scale(1, 1)';
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} else if (!n && props.zoom) {
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// 当隐藏遮罩的时候，设置scale为1.2，达到放大(因为显示遮罩时已重置为1)的效果
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zoomStyle.value.transform = scale;
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}
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}
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);
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// 遮罩样式
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const maskStyle = computed(() => {
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let style: Record<string, any> = {};
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style.backgroundColor = 'rgba(0, 0, 0, 0.6)';
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if (props.show) style.zIndex = props.zIndex ? props.zIndex : $u.zIndex.mask;
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else style.zIndex = -1;
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style.transition = `all ${Number(props.duration) / 1000}s ease-in-out`;
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return style;
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});
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/**
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* 遮罩点击事件
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* maskClickAble为true时，点击遮罩发送click事件
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*/
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function click() {
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if (!props.maskClickAble) return;
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emit('click');
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}
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</script>
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<style lang="scss" scoped>
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@import '../../libs/css/style.components.scss';
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.u-mask {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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opacity: 0;
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transition: transform 0.3s;
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}
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.u-mask-show {
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opacity: 1;
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}
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.u-mask-zoom {
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transform: scale(1.2, 1.2);
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}
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</style>
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