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							- <template>
 
- 	<view
 
- 		class="u-tooltip"
 
- 		:style="[$u.addStyle(customStyle)]"
 
- 	>
 
- 		<u-overlay
 
- 			:show="showTooltip && tooltipTop !== -10000 && overlay"
 
- 			customStyle="backgroundColor: rgba(0, 0, 0, 0)"
 
- 			@click="overlayClickHandler"
 
- 		></u-overlay>
 
- 		<view class="u-tooltip__wrapper">
 
- 			<text
 
- 				class="u-tooltip__wrapper__text"
 
- 				:id="textId"
 
- 				:ref="textId"
 
- 				:userSelect="false"
 
- 				:selectable="false"
 
- 				@longpress.stop="longpressHandler"
 
- 				:style="{
 
- 					backgroundColor: bgColor && showTooltip && tooltipTop !== -10000 ? bgColor : 'transparent'
 
- 				}"
 
- 			>{{ text }}</text>
 
- 			<u-transition
 
- 				mode="fade"
 
- 				:show="showTooltip"
 
- 				duration="300"
 
- 				:customStyle="{
 
- 					position: 'absolute', 
 
- 					top: $u.addUnit(tooltipTop),
 
- 					zIndex: zIndex,
 
- 					...tooltipStyle
 
- 				}"
 
- 			>
 
- 				<view
 
- 					class="u-tooltip__wrapper__popup"
 
- 					:id="tooltipId"
 
- 					:ref="tooltipId"
 
- 				>
 
- 					<view
 
- 						class="u-tooltip__wrapper__popup__indicator"
 
- 						hover-class="u-tooltip__wrapper__popup__indicator--hover"
 
- 						v-if="showCopy || buttons.length"
 
- 						:style="[indicatorStyle, {
 
- 							width: $u.addUnit(indicatorWidth),
 
- 							height: $u.addUnit(indicatorWidth),
 
- 						}]"
 
- 					>
 
- 						<!-- 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 -->
 
- 					</view>
 
- 					<view class="u-tooltip__wrapper__popup__list">
 
- 						<view
 
- 							v-if="showCopy"
 
- 							class="u-tooltip__wrapper__popup__list__btn"
 
- 							hover-class="u-tooltip__wrapper__popup__list__btn--hover"
 
- 							@tap="setClipboardData"
 
- 						>
 
- 							<text
 
- 								class="u-tooltip__wrapper__popup__list__btn__text"
 
- 							>复制</text>
 
- 						</view>
 
- 						<u-line
 
- 							direction="column"
 
- 							color="#8d8e90"
 
- 							v-if="showCopy && buttons.length > 0"
 
- 							length="18"
 
- 						></u-line>
 
- 						<template v-for="(item , index) in buttons">
 
- 							<view
 
- 								class="u-tooltip__wrapper__popup__list__btn"
 
- 								hover-class="u-tooltip__wrapper__popup__list__btn--hover"
 
- 								:key="index"
 
- 							>
 
- 								<text
 
- 									class="u-tooltip__wrapper__popup__list__btn__text"
 
- 									@tap="btnClickHandler(index)"
 
- 								>{{ item }}</text>
 
- 							</view>
 
- 							<u-line
 
- 								direction="column"
 
- 								color="#8d8e90"
 
- 								v-if="index < buttons.length - 1"
 
- 								length="18"
 
- 								:key="index"
 
- 							></u-line>
 
- 						</template>
 
- 					</view>
 
- 				</view>
 
- 			</u-transition>
 
- 		</view>
 
- 	</view>
 
- </template>
 
- <script>
 
- 	import props from './props.js';
 
- 	// #ifdef APP-NVUE 
 
- 	const dom = uni.requireNativePlugin('dom')
 
- 	// #endif
 
- 	// #ifdef H5
 
- 	import ClipboardJS from "./clipboard.min.js"
 
- 	// #endif
 
- 	/**
 
- 	 * Tooltip 
 
- 	 * @description 
 
- 	 * @tutorial https://www.uviewui.com/components/tooltip.html
 
- 	 * @property {String | Number}	text		需要显示的提示文字
 
- 	 * @property {String | Number}	copyText	点击复制按钮时,复制的文本,为空则使用text值
 
- 	 * @property {String | Number}	size		文本大小(默认 14 )
 
- 	 * @property {String}			color		字体颜色(默认 '#606266' )
 
- 	 * @property {String}			bgColor		弹出提示框时,文本的背景色(默认 'transparent' )
 
- 	 * @property {String}			direction	弹出提示的方向,top-上方,bottom-下方(默认 'top' )
 
- 	 * @property {String | Number}	zIndex		弹出提示的z-index,nvue无效(默认 10071 )
 
- 	 * @property {Boolean}			showCopy	是否显示复制按钮(默认 true )
 
- 	 * @property {Array}			buttons		扩展的按钮组
 
- 	 * @property {Boolean}			overlay		是否显示透明遮罩以防止触摸穿透(默认 true )
 
- 	 * @property {Object}			customStyle	定义需要用到的外部样式
 
- 	 * 
 
- 	 * @event {Function} 
 
- 	 * @example 
 
- 	 */
 
- 	export default {
 
- 		name: 'u-tooltip',
 
- 		mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
 
- 		data() {
 
- 			return {
 
- 				// 是否展示气泡
 
- 				showTooltip: true,
 
- 				// 生成唯一id,防止一个页面多个组件,造成干扰
 
- 				textId: uni.$u.guid(),
 
- 				tooltipId: uni.$u.guid(),
 
- 				// 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
 
- 				tooltipTop: -10000,
 
- 				// 气泡的位置信息
 
- 				tooltipInfo: {
 
- 					width: 0,
 
- 					left: 0
 
- 				},
 
- 				// 文本的位置信息
 
- 				textInfo: {
 
- 					width: 0,
 
- 					left: 0
 
- 				},
 
- 				// 三角形指示器的样式
 
- 				indicatorStyle: {},
 
- 				// 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
 
- 				screenGap: 12,
 
- 				// 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
 
- 				indicatorWidth: 14,
 
- 			}
 
- 		},
 
- 		watch: {
 
- 			propsChange() {
 
- 				this.getElRect()
 
- 			}
 
- 		},
 
- 		computed: {
 
- 			// 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
 
- 			// 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
 
- 			propsChange() {
 
- 				return [this.text, this.buttons]
 
- 			},
 
- 			// 计算气泡和指示器的位置信息
 
- 			tooltipStyle() {
 
- 				const style = {
 
- 						transform: `translateY(${this.direction === 'top' ? '-100%' : '100%'})`,
 
- 					},
 
- 					sys = uni.$u.sys(),
 
- 					getPx = uni.$u.getPx,
 
- 					addUnit = uni.$u.addUnit
 
- 				if (this.tooltipInfo.width / 2 > this.textInfo.left + this.textInfo.width / 2 - this.screenGap) {
 
- 					this.indicatorStyle = {}
 
- 					style.left = `-${addUnit(this.textInfo.left - this.screenGap)}`
 
- 					this.indicatorStyle.left = addUnit(this.textInfo.width / 2 - getPx(style.left) - this.indicatorWidth /
 
- 						2)
 
- 				} else if (this.tooltipInfo.width / 2 > sys.windowWidth - this.textInfo.right + this.textInfo.width / 2 -
 
- 					this.screenGap) {
 
- 					this.indicatorStyle = {}
 
- 					style.right = `-${addUnit(sys.windowWidth - this.textInfo.right - this.screenGap)}`
 
- 					this.indicatorStyle.right = addUnit(this.textInfo.width / 2 - getPx(style.right) - this
 
- 						.indicatorWidth / 2)
 
- 				} else {
 
- 					const left = Math.abs(this.textInfo.width / 2 - this.tooltipInfo.width / 2)
 
- 					style.left = this.textInfo.width > this.tooltipInfo.width ? addUnit(left) : -addUnit(left)
 
- 					this.indicatorStyle = {}
 
- 				}
 
- 				if (this.direction === 'top') {
 
- 					style.marginTop = '-10px'
 
- 					this.indicatorStyle.bottom = '-4px'
 
- 				} else {
 
- 					style.marginBottom = '-10px'
 
- 					this.indicatorStyle.top = '-4px'
 
- 				}
 
- 				return style
 
- 			}
 
- 		},
 
- 		mounted() {
 
- 			this.init()
 
- 		},
 
- 		methods: {
 
- 			init() {
 
- 				this.getElRect()
 
- 			},
 
- 			// 长按触发事件
 
- 			async longpressHandler() {
 
- 				this.tooltipTop = 0
 
- 				this.showTooltip = true
 
- 			},
 
- 			// 点击透明遮罩
 
- 			overlayClickHandler() {
 
- 				this.showTooltip = false
 
- 			},
 
- 			// 点击弹出按钮
 
- 			btnClickHandler(index) {
 
- 				this.showTooltip = false
 
- 				// 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
 
- 				this.$emit('click', this.showCopy ? index + 1 : index)
 
- 			},
 
- 			// 查询内容高度
 
- 			queryRect(ref) {
 
- 				// #ifndef APP-NVUE
 
- 				// $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
 
- 				// 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
 
- 				return new Promise(resolve => {
 
- 					this.$uGetRect(`#${ref}`).then(size => {
 
- 						resolve(size)
 
- 					})
 
- 				})
 
- 				// #endif
 
- 				// #ifdef APP-NVUE
 
- 				// nvue下,使用dom模块查询元素高度
 
- 				// 返回一个promise,让调用此方法的主体能使用then回调
 
- 				return new Promise(resolve => {
 
- 					dom.getComponentRect(this.$refs[ref], res => {
 
- 						resolve(res.size)
 
- 					})
 
- 				})
 
- 				// #endif
 
- 			},
 
- 			// 元素尺寸
 
- 			getElRect() {
 
- 				// 调用之前,先将指示器调整到屏幕外,方便获取尺寸
 
- 				this.showTooltip = true
 
- 				this.tooltipTop = -10000
 
- 				uni.$u.sleep(500).then(() => {
 
- 					this.queryRect(this.tooltipId).then(size => {
 
- 						this.tooltipInfo = size
 
- 						// 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
 
- 						this.showTooltip = false
 
- 					})
 
- 					this.queryRect(this.textId).then(size => {
 
- 						this.textInfo = size
 
- 					})
 
- 				})
 
- 			},
 
- 			// 复制文本到粘贴板
 
- 			setClipboardData() {
 
- 				// 关闭组件
 
- 				this.showTooltip = false
 
- 				this.$emit('click', 0)
 
- 				// #ifndef H5
 
- 				uni.setClipboardData({
 
- 					// 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
 
- 					data: this.copyText || this.text,
 
- 					success: () => {
 
- 						this.showToast && uni.$u.toast('复制成功')
 
- 					},
 
- 					fail: () => {
 
- 						this.showToast && uni.$u.toast('复制失败')
 
- 					},
 
- 					complete: () => {
 
- 						this.showTooltip = false
 
- 					}
 
- 				})
 
- 				// #endif
 
- 				// #ifdef H5
 
- 				let event = window.event || e || {}
 
- 				let clipboard = new ClipboardJS('', {
 
- 					text: () => this.copyText || this.text
 
- 				})
 
- 				clipboard.on('success', (e) => {
 
- 					this.showToast && uni.$u.toast('复制成功')
 
- 					clipboard.off('success')
 
- 					clipboard.off('error')
 
- 					// 在单页应用中,需要销毁DOM的监听
 
- 					clipboard.destroy()
 
- 				})
 
- 				clipboard.on('error', (e) => {
 
- 					this.showToast && uni.$u.toast('复制失败')
 
- 					clipboard.off('success')
 
- 					clipboard.off('error')
 
- 					// 在单页应用中,需要销毁DOM的监听
 
- 					clipboard.destroy()
 
- 				})
 
- 				clipboard.onClick(event)
 
- 				// #endif
 
- 			}
 
- 		}
 
- 	}
 
- </script>
 
- <style lang="scss" scoped>
 
- 	@import "../../libs/css/components.scss";
 
- 	.u-tooltip {
 
- 		position: relative;
 
- 		@include flex;
 
- 		&__wrapper {
 
- 			@include flex;
 
- 			justify-content: center;
 
- 			/* #ifndef APP-NVUE */
 
- 			white-space: nowrap;
 
- 			/* #endif */
 
- 			&__text {
 
- 				color: $u-content-color;
 
- 				font-size: 14px;
 
- 			}
 
- 			&__popup {
 
- 				@include flex;
 
- 				justify-content: center;
 
- 				&__list {
 
- 					background-color: #060607;
 
- 					position: relative;
 
- 					flex: 1;
 
- 					border-radius: 5px;
 
- 					padding: 0px 0;
 
- 					@include flex(row);
 
- 					align-items: center;
 
- 					overflow: hidden;
 
- 					&__btn {
 
- 						padding: 11px 13px;
 
- 						&--hover {
 
- 							background-color: #58595B;
 
- 						}
 
- 						&__text {
 
- 							line-height: 12px;
 
- 							font-size: 13px;
 
- 							color: #FFFFFF;
 
- 						}
 
- 					}
 
- 				}
 
- 				&__indicator {
 
- 					position: absolute;
 
- 					background-color: #060607;
 
- 					width: 14px;
 
- 					height: 14px;
 
- 					bottom: -4px;
 
- 					transform: rotate(45deg);
 
- 					border-radius: 2px;
 
- 					z-index: -1;
 
- 					&--hover {
 
- 						background-color: #58595B;
 
- 					}
 
- 				}
 
- 			}
 
- 		}
 
- 	}
 
- </style>
 
 
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