246 lines
6.6 KiB
Vue
246 lines
6.6 KiB
Vue
<template>
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<view class="uv-navbar">
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<view
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class="uv-navbar__placeholder"
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v-if="fixed && placeholder"
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:style="{
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height: $uv.addUnit($uv.getPx(height) + $uv.sys().statusBarHeight,'px'),
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}"
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></view>
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<view :class="[fixed && 'uv-navbar--fixed']">
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<image class="uv-navbar--bgimg" :src="bgColor" :mode="imgMode" v-if="isImg" :style="[bgImgStyle]"></image>
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<uv-status-bar
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v-if="safeAreaInsetTop"
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:bgColor="getStatusbgColor"
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></uv-status-bar>
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<view
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class="uv-navbar__content"
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:class="[border && 'uv-border-bottom']"
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:style="[{
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height: $uv.addUnit(height)
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},getBgColor]"
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>
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<view
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class="uv-navbar__content__left"
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hover-class="uv-navbar__content__left--hover"
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hover-start-time="150"
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@tap="leftClick"
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>
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<slot name="left">
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<uv-icon
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v-if="leftIcon"
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:name="leftIcon"
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:size="leftIconSize"
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:color="leftIconColor"
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></uv-icon>
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<text
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v-if="leftText"
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:style="{
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color: leftIconColor
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}"
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class="uv-navbar__content__left__text"
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>{{ leftText }}</text>
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</slot>
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</view>
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<slot name="center">
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<text
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class="uv-line-1 uv-navbar__content__title"
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:style="[{
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width: $uv.addUnit(titleWidth),
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flex: '0 1 auto'
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}, $uv.addStyle(titleStyle)]"
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>{{ title }}</text>
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</slot>
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<view
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class="uv-navbar__content__right"
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@tap="rightClick"
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>
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<slot name="right">
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<uv-icon
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v-if="rightIcon"
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:name="rightIcon"
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size="20"
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></uv-icon>
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<text
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v-if="rightText"
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class="uv-navbar__content__right__text"
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>{{ rightText }}</text>
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</slot>
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</view>
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</view>
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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 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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* Navbar 自定义导航栏
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* @description 此组件一般用于在特殊情况下，需要自定义导航栏的时候用到，一般建议使用uni-app带的导航栏。
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* @tutorial https://www.uvui.cn/components/navbar.html
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* @property {Boolean} safeAreaInsetTop 是否开启顶部安全区适配 （默认 true ）
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* @property {Boolean} placeholder 固定在顶部时，是否生成一个等高元素，以防止塌陷 （默认 false ）
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* @property {Boolean} fixed 导航栏是否固定在顶部 （默认 false ）
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* @property {Boolean} border 导航栏底部是否显示下边框 （默认 false ）
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* @property {String} leftIcon 左边返回图标的名称，只能为uvui自带的图标 （默认 'arrow-left' ）
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* @property {String} leftText 左边的提示文字
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* @property {String} rightText 右边的提示文字
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* @property {String} rightIcon 右边返回图标的名称，只能为uvui自带的图标
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* @property {String} title 导航栏标题，如设置为空字符，将会隐藏标题占位区域
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* @property {String} bgColor 导航栏背景设置 （默认 '#ffffff' ）
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* @property {String | Number} titleWidth 导航栏标题的最大宽度，内容超出会以省略号隐藏 （默认 '400rpx' ）
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* @property {String | Number} height 导航栏高度(不包括状态栏高度在内，内部自动加上)（默认 '44px' ）
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* @property {String | Number} leftIconSize 左侧返回图标的大小（默认 20px ）
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* @property {String | Number} leftIconColor 左侧返回图标的颜色（默认 #303133 ）
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* @property {Boolean} autoBack 点击左侧区域(返回图标)，是否自动返回上一页（默认 false ）
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* @property {Object | String} titleStyle 标题的样式，对象或字符串
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* @event {Function} leftClick 点击左侧区域
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* @event {Function} rightClick 点击右侧区域
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* @example <uv-navbar title="剑未配妥，出门已是江湖" left-text="返回" right-text="帮助" @click-left="onClickBack" @click-right="onClickRight"></uv-navbar>
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*/
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export default {
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name: 'uv-navbar',
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mixins: [mpMixin, mixin, props],
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data() {
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return {
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}
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},
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computed: {
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getBgColor(){
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const style = {};
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if(this.bgColor){
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if (this.bgColor.indexOf("gradient") > -1) {// 渐变色
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style.backgroundImage = this.bgColor;
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}else if(this.isImg){
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style.background = 'transparent';
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}else {
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style.background = this.bgColor;
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}
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}
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return style;
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},
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getStatusbgColor() {
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if(this.bgColor){
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if(this.isImg){
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return 'transparent';
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}else {
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return this.bgColor;
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}
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}
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},
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// 判断传入的bgColor属性，是否图片路径，只要带有"/"均认为是图片形式
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isImg() {
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const isBase64 = this.bgColor.indexOf('data:') > -1 && this.bgColor.indexOf('base64') > -1;
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return this.bgColor.indexOf('/') !== -1 || isBase64;
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},
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bgImgStyle() {
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const style = {};
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if(this.safeAreaInsetTop) {
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style.height = this.$uv.addUnit(this.$uv.sys().statusBarHeight + 44, 'px');
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} else {
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style.height = '44px';
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}
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return style;
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}
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},
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methods: {
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// 点击左侧区域
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leftClick() {
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// 如果配置了autoBack，自动返回上一页
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this.$emit('leftClick')
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if(this.autoBack) {
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uni.navigateBack()
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}
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},
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// 点击右侧区域
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rightClick() {
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this.$emit('rightClick')
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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$show-border: 1;
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$show-border-bottom: 1;
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$show-lines: 1;
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@import '@/uni_modules/uv-ui-tools/libs/css/variable.scss';
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@import '@/uni_modules/uv-ui-tools/libs/css/components.scss';
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@import '@/uni_modules/uv-ui-tools/libs/css/color.scss';
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.uv-navbar {
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position: relative;
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&--fixed {
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position: fixed;
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left: 0;
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right: 0;
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top: 0;
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z-index: 11;
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}
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&--bgimg {
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position: absolute;
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left: 0;
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right: 0;
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bottom: 0;
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top: 0;
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/* #ifndef APP-NVUE */
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width: 100%;
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height: 100%;
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/* #endif */
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/* #ifdef APP-NVUE */
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width: 750rpx;
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/* #endif */
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}
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&__content {
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@include flex(row);
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align-items: center;
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height: 44px;
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background-color: #9acafc;
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position: relative;
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justify-content: center;
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&__left,
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&__right {
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padding: 0 13px;
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position: absolute;
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top: 0;
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bottom: 0;
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@include flex(row);
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align-items: center;
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}
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&__left {
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left: 0;
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&--hover {
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opacity: 0.7;
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}
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&__text {
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font-size: 15px;
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margin-left: 3px;
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}
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}
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&__title {
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text-align: center;
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font-size: 16px;
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color: $uv-main-color;
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}
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&__right {
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right: 0;
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&__text {
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font-size: 15px;
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margin-left: 3px;
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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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