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85 lines
2.3 KiB
85 lines
2.3 KiB
<template>
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<uv-transition
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:show="show"
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mode="fade"
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custom-class="uv-overlay"
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:duration="duration"
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:custom-style="overlayStyle"
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@click="clickHandler"
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@touchmove.stop.prevent="clear"
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>
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<slot />
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</uv-transition>
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</template>
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<script>
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import mpMixin from '@/uni_modules/uv-ui-tools/libs/mixin/mpMixin.js'
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import mixin from '@/uni_modules/uv-ui-tools/libs/mixin/mixin.js'
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import props from './props.js';
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/**
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* overlay 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://www.uvui.cn/components/overlay.html
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* @property {Boolean} show 是否显示遮罩（默认 false ）
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* @property {String | Number} zIndex zIndex 层级（默认 10070 ）
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* @property {String | Number} duration 动画时长，单位毫秒（默认 300 ）
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* @property {String | Number} opacity 不透明度值，当做rgba的第四个参数 （默认 0.5 ）
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* @property {Object} customStyle 定义需要用到的外部样式
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* @event {Function} click 点击遮罩发送事件
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* @example <uv-overlay :show="show" @click="show = false"></uv-overlay>
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*/
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export default {
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name: "uv-overlay",
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emits: ['click'],
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mixins: [mpMixin, mixin, props],
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watch: {
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show(newVal){
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// #ifdef H5
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if(newVal){
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document.querySelector('body').style.overflow = 'hidden';
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}else{
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document.querySelector('body').style.overflow = '';
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}
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// #endif
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}
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},
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computed: {
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overlayStyle() {
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const style = {
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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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zIndex: this.zIndex,
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bottom: 0,
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'background-color': `rgba(0, 0, 0, ${this.opacity})`
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}
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return this.$uv.deepMerge(style, this.$uv.addStyle(this.customStyle))
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}
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},
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methods: {
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clickHandler() {
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this.$emit('click')
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},
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clear() {}
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}
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}
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</script>
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<style lang="scss" scoped>
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/* #ifndef APP-NVUE */
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$uv-overlay-top:0 !default;
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$uv-overlay-left:0 !default;
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$uv-overlay-width:100% !default;
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$uv-overlay-height:100% !default;
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$uv-overlay-background-color:rgba(0, 0, 0, .7) !default;
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.uv-overlay {
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position: fixed;
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top:$uv-overlay-top;
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left:$uv-overlay-left;
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width: $uv-overlay-width;
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height:$uv-overlay-height;
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background-color:$uv-overlay-background-color;
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}
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/* #endif */
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</style>
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