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365 lines
10 KiB
365 lines
10 KiB
<template> |
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<view |
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class="u-tooltip" |
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:style="[$u.addStyle(customStyle)]" |
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> |
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<u-overlay |
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:show="showTooltip && tooltipTop !== -10000 && overlay" |
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customStyle="backgroundColor: rgba(0, 0, 0, 0)" |
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@click="overlayClickHandler" |
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></u-overlay> |
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<view class="u-tooltip__wrapper"> |
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<text |
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class="u-tooltip__wrapper__text" |
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:id="textId" |
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:ref="textId" |
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:userSelect="false" |
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:selectable="false" |
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@longpress.stop="longpressHandler" |
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:style="{ |
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color: color, |
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backgroundColor: bgColor && showTooltip && tooltipTop !== -10000 ? bgColor : 'transparent' |
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}" |
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>{{ text }}</text> |
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<u-transition |
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mode="fade" |
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:show="showTooltip" |
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duration="300" |
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:customStyle="{ |
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position: 'absolute', |
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top: $u.addUnit(tooltipTop), |
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zIndex: zIndex, |
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...tooltipStyle |
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}" |
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> |
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<view |
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class="u-tooltip__wrapper__popup" |
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:id="tooltipId" |
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:ref="tooltipId" |
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> |
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<view |
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class="u-tooltip__wrapper__popup__indicator" |
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hover-class="u-tooltip__wrapper__popup__indicator--hover" |
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v-if="showCopy || buttons.length" |
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:style="[indicatorStyle, { |
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width: $u.addUnit(indicatorWidth), |
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height: $u.addUnit(indicatorWidth), |
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}]" |
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> |
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<!-- 由于nvue不支持三角形绘制,这里就做一个四方形,再旋转45deg,得到露出的一个三角 --> |
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</view> |
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<view class="u-tooltip__wrapper__popup__list"> |
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<view |
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v-if="showCopy" |
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class="u-tooltip__wrapper__popup__list__btn" |
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hover-class="u-tooltip__wrapper__popup__list__btn--hover" |
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@tap="setClipboardData" |
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> |
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<text |
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class="u-tooltip__wrapper__popup__list__btn__text" |
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>复制</text> |
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</view> |
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<u-line |
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direction="column" |
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color="#8d8e90" |
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v-if="showCopy && buttons.length > 0" |
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length="18" |
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></u-line> |
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<block v-for="(item , index) in buttons" :key="index"> |
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<view |
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class="u-tooltip__wrapper__popup__list__btn" |
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hover-class="u-tooltip__wrapper__popup__list__btn--hover" |
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> |
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<text |
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class="u-tooltip__wrapper__popup__list__btn__text" |
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@tap="btnClickHandler(index)" |
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>{{ item }}</text> |
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</view> |
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<u-line |
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direction="column" |
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color="#8d8e90" |
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v-if="index < buttons.length - 1" |
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length="18" |
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></u-line> |
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</block> |
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</view> |
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</view> |
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</u-transition> |
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</view> |
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</view> |
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</template> |
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<script> |
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import props from './props.js'; |
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// #ifdef APP-NVUE |
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const dom = uni.requireNativePlugin('dom') |
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// #endif |
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// #ifdef H5 |
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import ClipboardJS from "./clipboard.min.js" |
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// #endif |
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/** |
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* Tooltip |
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* @description |
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* @tutorial https://www.uviewui.com/components/tooltip.html |
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* @property {String | Number} text 需要显示的提示文字 |
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* @property {String | Number} copyText 点击复制按钮时,复制的文本,为空则使用text值 |
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* @property {String | Number} size 文本大小(默认 14 ) |
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* @property {String} color 字体颜色(默认 '#606266' ) |
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* @property {String} bgColor 弹出提示框时,文本的背景色(默认 'transparent' ) |
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* @property {String} direction 弹出提示的方向,top-上方,bottom-下方(默认 'top' ) |
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* @property {String | Number} zIndex 弹出提示的z-index,nvue无效(默认 10071 ) |
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* @property {Boolean} showCopy 是否显示复制按钮(默认 true ) |
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* @property {Array} buttons 扩展的按钮组 |
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* @property {Boolean} overlay 是否显示透明遮罩以防止触摸穿透(默认 true ) |
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* @property {Object} customStyle 定义需要用到的外部样式 |
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* |
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* @event {Function} |
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* @example |
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*/ |
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export default { |
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name: 'u-tooltip', |
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mixins: [uni.$u.mpMixin, uni.$u.mixin, props], |
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data() { |
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return { |
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// 是否展示气泡 |
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showTooltip: true, |
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// 生成唯一id,防止一个页面多个组件,造成干扰 |
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textId: uni.$u.guid(), |
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tooltipId: uni.$u.guid(), |
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// 初始时甚至为很大的值,让其移到屏幕外面,为了计算元素的尺寸 |
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tooltipTop: -10000, |
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// 气泡的位置信息 |
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tooltipInfo: { |
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width: 0, |
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left: 0 |
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}, |
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// 文本的位置信息 |
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textInfo: { |
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width: 0, |
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left: 0 |
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}, |
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// 三角形指示器的样式 |
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indicatorStyle: {}, |
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// 气泡在可能超出屏幕边沿范围时,重新定位后,距离屏幕边沿的距离 |
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screenGap: 12, |
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// 三角形指示器的宽高,由于对元素进行了角度旋转,精确计算指示器位置时,需要用到其尺寸信息 |
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indicatorWidth: 14, |
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} |
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}, |
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watch: { |
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propsChange() { |
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this.getElRect() |
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} |
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}, |
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computed: { |
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// 特别处理H5的复制,因为H5浏览器是自带系统复制功能的,在H5环境 |
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// 当一些依赖参数变化时,需要重新计算气泡和指示器的位置信息 |
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propsChange() { |
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return [this.text, this.buttons] |
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}, |
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// 计算气泡和指示器的位置信息 |
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tooltipStyle() { |
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const style = { |
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transform: `translateY(${this.direction === 'top' ? '-100%' : '100%'})`, |
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}, |
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sys = uni.$u.sys(), |
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getPx = uni.$u.getPx, |
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addUnit = uni.$u.addUnit |
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if (this.tooltipInfo.width / 2 > this.textInfo.left + this.textInfo.width / 2 - this.screenGap) { |
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this.indicatorStyle = {} |
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style.left = `-${addUnit(this.textInfo.left - this.screenGap)}` |
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this.indicatorStyle.left = addUnit(this.textInfo.width / 2 - getPx(style.left) - this.indicatorWidth / |
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2) |
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} else if (this.tooltipInfo.width / 2 > sys.windowWidth - this.textInfo.right + this.textInfo.width / 2 - |
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this.screenGap) { |
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this.indicatorStyle = {} |
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style.right = `-${addUnit(sys.windowWidth - this.textInfo.right - this.screenGap)}` |
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this.indicatorStyle.right = addUnit(this.textInfo.width / 2 - getPx(style.right) - this |
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.indicatorWidth / 2) |
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} else { |
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const left = Math.abs(this.textInfo.width / 2 - this.tooltipInfo.width / 2) |
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style.left = this.textInfo.width > this.tooltipInfo.width ? addUnit(left) : -addUnit(left) |
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this.indicatorStyle = {} |
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} |
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if (this.direction === 'top') { |
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style.marginTop = '-10px' |
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this.indicatorStyle.bottom = '-4px' |
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} else { |
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style.marginBottom = '-10px' |
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this.indicatorStyle.top = '-4px' |
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} |
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return style |
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} |
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}, |
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mounted() { |
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this.init() |
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}, |
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methods: { |
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init() { |
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this.getElRect() |
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}, |
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// 长按触发事件 |
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async longpressHandler() { |
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this.tooltipTop = 0 |
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this.showTooltip = true |
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}, |
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// 点击透明遮罩 |
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overlayClickHandler() { |
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this.showTooltip = false |
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}, |
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// 点击弹出按钮 |
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btnClickHandler(index) { |
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this.showTooltip = false |
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// 如果需要展示复制按钮,此处index需要加1,因为复制按钮在第一个位置 |
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this.$emit('click', this.showCopy ? index + 1 : index) |
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}, |
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// 查询内容高度 |
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queryRect(ref) { |
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// #ifndef APP-NVUE |
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// $uGetRect为uView自带的节点查询简化方法,详见文档介绍:https://www.uviewui.com/js/getRect.html |
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// 组件内部一般用this.$uGetRect,对外的为uni.$u.getRect,二者功能一致,名称不同 |
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return new Promise(resolve => { |
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this.$uGetRect(`#${ref}`).then(size => { |
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resolve(size) |
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}) |
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}) |
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// #endif |
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// #ifdef APP-NVUE |
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// nvue下,使用dom模块查询元素高度 |
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// 返回一个promise,让调用此方法的主体能使用then回调 |
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return new Promise(resolve => { |
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dom.getComponentRect(this.$refs[ref], res => { |
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resolve(res.size) |
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}) |
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}) |
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// #endif |
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}, |
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// 元素尺寸 |
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getElRect() { |
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// 调用之前,先将指示器调整到屏幕外,方便获取尺寸 |
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this.showTooltip = true |
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this.tooltipTop = -10000 |
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uni.$u.sleep(500).then(() => { |
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this.queryRect(this.tooltipId).then(size => { |
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this.tooltipInfo = size |
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// 获取气泡尺寸之后,将其隐藏,为了让下次切换气泡显示与隐藏时,有淡入淡出的效果 |
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this.showTooltip = false |
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}) |
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this.queryRect(this.textId).then(size => { |
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this.textInfo = size |
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}) |
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}) |
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}, |
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// 复制文本到粘贴板 |
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setClipboardData() { |
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// 关闭组件 |
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this.showTooltip = false |
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this.$emit('click', 0) |
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// #ifndef H5 |
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uni.setClipboardData({ |
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// 优先使用copyText字段,如果没有,则默认使用text字段当做复制的内容 |
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data: this.copyText || this.text, |
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success: () => { |
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this.showToast && uni.$u.toast('复制成功') |
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}, |
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fail: () => { |
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this.showToast && uni.$u.toast('复制失败') |
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}, |
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complete: () => { |
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this.showTooltip = false |
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} |
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}) |
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// #endif |
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// #ifdef H5 |
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let event = window.event || e || {} |
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let clipboard = new ClipboardJS('', { |
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text: () => this.copyText || this.text |
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}) |
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clipboard.on('success', (e) => { |
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this.showToast && uni.$u.toast('复制成功') |
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clipboard.off('success') |
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clipboard.off('error') |
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// 在单页应用中,需要销毁DOM的监听 |
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clipboard.destroy() |
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}) |
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clipboard.on('error', (e) => { |
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this.showToast && uni.$u.toast('复制失败') |
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clipboard.off('success') |
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clipboard.off('error') |
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// 在单页应用中,需要销毁DOM的监听 |
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clipboard.destroy() |
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}) |
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clipboard.onClick(event) |
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// #endif |
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} |
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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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@import "../../libs/css/components.scss"; |
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.u-tooltip { |
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position: relative; |
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@include flex; |
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&__wrapper { |
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@include flex; |
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justify-content: center; |
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/* #ifndef APP-NVUE */ |
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white-space: nowrap; |
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/* #endif */ |
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&__text { |
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font-size: 14px; |
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} |
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&__popup { |
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@include flex; |
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justify-content: center; |
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&__list { |
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background-color: #060607; |
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position: relative; |
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flex: 1; |
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border-radius: 5px; |
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padding: 0px 0; |
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@include flex(row); |
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align-items: center; |
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overflow: hidden; |
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&__btn { |
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padding: 11px 13px; |
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&--hover { |
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background-color: #58595B; |
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} |
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&__text { |
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line-height: 12px; |
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font-size: 13px; |
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color: #FFFFFF; |
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} |
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} |
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} |
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&__indicator { |
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position: absolute; |
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background-color: #060607; |
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width: 14px; |
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height: 14px; |
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bottom: -4px; |
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transform: rotate(45deg); |
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border-radius: 2px; |
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z-index: -1; |
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&--hover { |
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background-color: #58595B; |
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} |
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} |
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} |
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} |
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} |
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</style>
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