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			228 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
			
		
		
	
	
			228 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
<template>
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	<u-popup
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		mode="center"
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		:zoom="zoom"
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		:show="show"
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		:customStyle="{
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			borderRadius: '6px', 
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			overflow: 'hidden',
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			marginTop: `-${$u.addUnit(negativeTop)}`
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		}"
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		:closeOnClickOverlay="closeOnClickOverlay"
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		:safeAreaInsetBottom="false"
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		:duration="400"
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		@click="clickHandler"
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	>
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		<view
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			class="u-modal"
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			:style="{
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				width: $u.addUnit(width),
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			}"
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		>
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			<text
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				class="u-modal__title"
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				v-if="title"
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			>{{ title }}</text>
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			<view
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				class="u-modal__content"
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				:style="{
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					paddingTop: `${title ? 12 : 25}px`
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				}"
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			>
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				<slot>
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					<text class="u-modal__content__text">{{ content }}</text>
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				</slot>
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			</view>
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			<view
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				class="u-modal__button-group--confirm-button"
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				v-if="$slots.confirmButton"
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			>
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				<slot name="confirmButton"></slot>
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			</view>
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			<template v-else>
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				<u-line></u-line>
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				<view
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					class="u-modal__button-group"
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					:style="{
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						flexDirection: buttonReverse ? 'row-reverse' : 'row'
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					}"
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				>
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					<view
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						class="u-modal__button-group__wrapper u-modal__button-group__wrapper--cancel"
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						:hover-stay-time="150"
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						hover-class="u-modal__button-group__wrapper--hover"
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						:class="[showCancelButton && !showConfirmButton && 'u-modal__button-group__wrapper--only-cancel']"
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						v-if="showCancelButton"
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						@tap="cancelHandler"
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					>
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						<text
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							class="u-modal__button-group__wrapper__text"
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							:style="{
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								color: cancelColor
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							}"
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						>{{ cancelText }}</text>
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					</view>
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					<u-line
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						direction="column"
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						v-if="showConfirmButton && showCancelButton"
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					></u-line>
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					<view
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						class="u-modal__button-group__wrapper u-modal__button-group__wrapper--confirm"
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						:hover-stay-time="150"
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						hover-class="u-modal__button-group__wrapper--hover"
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						:class="[!showCancelButton && showConfirmButton && 'u-modal__button-group__wrapper--only-confirm']"
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						v-if="showConfirmButton"
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						@tap="confirmHandler"
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					>
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						<u-loading-icon v-if="loading"></u-loading-icon>
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						<text
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							v-else
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							class="u-modal__button-group__wrapper__text"
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							:style="{
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								color: confirmColor
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							}"
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						>{{ confirmText }}</text>
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					</view>
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				</view>
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			</template>
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		</view>
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	</u-popup>
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</template>
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<script>
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	import props from './props.js';
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	/**
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	 * Modal 模态框
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	 * @description 弹出模态框,常用于消息提示、消息确认、在当前页面内完成特定的交互操作。
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	 * @tutorial https://www.uviewui.com/components/modul.html
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	 * @property {Boolean}			show				是否显示模态框,请赋值给show (默认 false )
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	 * @property {String}			title				标题内容
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	 * @property {String}			content				模态框内容,如传入slot内容,则此参数无效
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	 * @property {String}			confirmText			确认按钮的文字 (默认 '确认' )
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	 * @property {String}			cancelText			取消按钮的文字 (默认 '取消' )
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	 * @property {Boolean}			showConfirmButton	是否显示确认按钮 (默认 true )
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	 * @property {Boolean}			showCancelButton	是否显示取消按钮 (默认 false )
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	 * @property {String}			confirmColor		确认按钮的颜色 (默认 '#2979ff' )
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	 * @property {String}			cancelColor			取消按钮的颜色 (默认 '#606266' )
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	 * @property {Boolean}			buttonReverse		对调确认和取消的位置 (默认 false )
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	 * @property {Boolean}			zoom				是否开启缩放模式 (默认 true )
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	 * @property {Boolean}			asyncClose			是否异步关闭,只对确定按钮有效,见上方说明 (默认 false )
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	 * @property {Boolean}			closeOnClickOverlay	是否允许点击遮罩关闭Modal (默认 false )
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	 * @property {String | Number}	negativeTop			往上偏移的值,给一个负的margin-top,往上偏移,避免和键盘重合的情况,单位任意,数值则默认为px单位 (默认 0 )
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	 * @property {String | Number}	width				modal宽度,不支持百分比,可以数值,px,rpx单位 (默认 '650rpx' )
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	 * @property {String}			confirmButtonShape	确认按钮的样式,如设置,将不会显示取消按钮
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	 * @event {Function} confirm	点击确认按钮时触发
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	 * @event {Function} cancel		点击取消按钮时触发
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	 * @event {Function} close		点击遮罩关闭出发,closeOnClickOverlay为true有效
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	 * @example <u-loadmore :status="status" icon-type="iconType" load-text="loadText" />
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	 */
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	export default {
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		name: 'u-modal',
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		mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
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		data() {
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			return {
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				loading: false
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			}
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		},
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		watch: {
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			show(n) {
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				// 为了避免第一次打开modal,又使用了异步关闭的loading
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				// 第二次打开modal时,loading依然存在的情况
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				if (n && this.loading) this.loading = false
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			}
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		},
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		methods: {
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			// 点击确定按钮
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			confirmHandler() {
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				// 如果配置了异步关闭,将按钮值为loading状态
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				if (this.asyncClose) {
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					this.loading = true;
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				}
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				this.$emit('confirm')
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			},
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			// 点击取消按钮
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			cancelHandler() {
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				this.$emit('cancel')
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			},
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			// 点击遮罩
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			// 从原理上来说,modal的遮罩点击,并不是真的点击到了遮罩
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			// 因为modal依赖于popup的中部弹窗类型,中部弹窗比较特殊,虽有然遮罩,但是为了让弹窗内容能flex居中
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			// 多了一个透明的遮罩,此透明的遮罩会覆盖在灰色的遮罩上,所以实际上是点击不到灰色遮罩的,popup内部在
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			// 透明遮罩的子元素做了.stop处理,所以点击内容区,也不会导致误触发
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			clickHandler() {
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				if (this.closeOnClickOverlay) {
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					this.$emit('close')
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				}
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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-modal-border-radius: 6px;
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	.u-modal {
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		width: 650rpx;
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		border-radius: $u-modal-border-radius;
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		overflow: hidden;
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		&__title {
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			font-size: 16px;
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			font-weight: bold;
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			color: $u-content-color;
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			text-align: center;
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			padding-top: 25px;
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		}
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		&__content {
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			padding: 12px 25px 25px 25px;
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			@include flex;
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			justify-content: center;
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			&__text {
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				font-size: 15px;
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				color: $u-content-color;
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				flex: 1;
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			}
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		}
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		&__button-group {
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			@include flex;
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			&--confirm-button {
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				flex-direction: column;
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				padding: 0px 25px 15px 25px;
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			}
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			&__wrapper {
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				flex: 1;
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				@include flex;
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				justify-content: center;
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				align-items: center;
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				height: 48px;
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				&--confirm,
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				&--only-cancel {
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					border-bottom-right-radius: $u-modal-border-radius;
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				}
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				&--cancel,
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				&--only-confirm {
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					border-bottom-left-radius: $u-modal-border-radius;
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				}
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				&--hover {
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					background-color: $u-bg-color;
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				}
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				&__text {
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					color: $u-content-color;
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					font-size: 16px;
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					text-align: center;
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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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