<template>
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<view
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v-if="visibleSync"
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class="tn-popup-class tn-popup"
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:style="[customStyle, popupStyle, { zIndex: elZIndex - 1}]"
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hover-stop-propagation
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>
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<!-- mask -->
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<view
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class="tn-popup__mask"
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:class="[{'tn-popup__mask--show': showPopup && mask}]"
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:style="{zIndex: elZIndex - 2}"
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@tap="maskClick"
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@touchmove.stop.prevent = "() => {}"
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hover-stop-propagation
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></view>
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<!-- 弹框内容 -->
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<view
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class="tn-popup__content"
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:class="[
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mode !== 'center' ? backgroundColorClass : '',
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safeAreaInsetBottom ? 'tn-safe-area-inset-bottom' : '',
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'tn-popup--' + mode,
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showPopup ? 'tn-popup__content--visible' : '',
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zoom && mode === 'center' ? 'tn-popup__content__center--animation-zoom' : ''
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]"
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:style="[contentStyle]"
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@tap="modeCenterClose"
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@touchmove.stop.prevent
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@tap.stop.prevent
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>
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<!-- 居中时候的内容 -->
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<view
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v-if="mode === 'center'"
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class="tn-popup__content__center_box"
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:class="[backgroundColorClass]"
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:style="[centerStyle]"
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@touchmove.stop.prevent
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@tap.stop.prevent
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>
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<!-- 关闭按钮 -->
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<view
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v-if="closeBtn"
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class="tn-popup__close"
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:class="[`tn-icon-${closeBtnIcon}`, `tn-popup__close--${closeBtnPosition}`]"
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:style="[closeBtnStyle, {zIndex: elZIndex}]"
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@tap="close"
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></view>
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<scroll-view class="tn-popup__content__scroll-view">
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<slot></slot>
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</scroll-view>
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</view>
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<!-- 除居中外的其他情况 -->
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<scroll-view v-else class="tn-popup__content__scroll-view">
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<slot></slot>
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</scroll-view>
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<!-- 关闭按钮 -->
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<view
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v-if="mode !== 'center' && closeBtn"
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class="tn-popup__close"
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:class="[`tn-popup__close--${closeBtnPosition}`]"
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:style="{zIndex: elZIndex}"
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@tap="close"
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>
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<view :class="[`tn-icon-${closeBtnIcon}`]" :style="[closeBtnStyle]"></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 componentsColorMixin from '../../libs/mixin/components_color.js'
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export default {
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mixins: [componentsColorMixin],
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name: 'tn-popup',
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props: {
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value: {
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type: Boolean,
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default: false
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},
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// 弹出方向
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// left/right/top/bottom/center
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mode: {
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type: String,
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default: 'left'
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},
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// 是否显示遮罩
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mask: {
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type: Boolean,
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default: true
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},
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// 抽屉的宽度（mode=left/right）,高度（mode=top/bottom）
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length: {
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type: [Number, String],
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default: 'auto'
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},
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// 宽度，只对左，右，中部弹出时起作用，单位rpx，或者"auto"
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// 或者百分比"50%"，表示由内容撑开高度或者宽度，优先级高于length参数
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width: {
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type: String,
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default: ''
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},
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// 高度，只对上，下，中部弹出时起作用，单位rpx，或者"auto"
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// 或者百分比"50%"，表示由内容撑开高度或者宽度，优先级高于length参数
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height: {
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type: String,
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default: ''
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},
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// 是否开启动画，只在mode=center有效
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zoom: {
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type: Boolean,
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default: true
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},
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// 是否开启底部安全区适配，开启的话，会在iPhoneX机型底部添加一定的内边距
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safeAreaInsetBottom: {
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type: Boolean,
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default: false
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},
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// 是否可以通过点击遮罩进行关闭
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maskCloseable: {
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type: Boolean,
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default: true
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},
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// 用户自定义样式
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customStyle: {
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type: Object,
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default() {
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return {}
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}
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},
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// 显示圆角的大小
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borderRadius: {
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type: Number,
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default: 0
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},
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// zIndex
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zIndex: {
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type: Number,
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default: 0
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},
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// 是否显示关闭按钮
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closeBtn: {
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type: Boolean,
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default: false
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},
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// 关闭按钮的图标
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closeBtnIcon: {
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type: String,
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default: 'close'
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},
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// 关闭按钮显示的位置
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// top-left/top-right/bottom-left/bottom-right
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closeBtnPosition: {
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type: String,
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default: 'top-right'
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},
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// 关闭按钮图标颜色
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closeIconColor: {
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type: String,
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default: '#AAAAAA'
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},
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// 关闭按钮图标的大小
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closeIconSize: {
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type: Number,
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default: 30
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},
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// 给一个负的margin-top，往上偏移，避免和键盘重合的情况，仅在mode=center时有效
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negativeTop: {
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type: Number,
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default: 0
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},
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// marginTop，在mode = top,left,right时生效，避免用户使用了自定义导航栏，组件把导航栏遮挡了
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marginTop: {
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type: Number,
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default: 0
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},
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// 此为内部参数，不在文档对外使用，为了解决Picker和keyboard等融合了弹窗的组件
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// 对v-model双向绑定多层调用造成报错不能修改props值的问题
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popup: {
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type: Boolean,
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default: true
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},
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},
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computed: {
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// 处理使用了自定义导航栏时被遮挡的问题
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popupStyle() {
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let style = {}
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if ((this.mode === 'top' || this.mode === 'left' || this.mode === 'right') && this.marginTop) {
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style.marginTop = this.$t.string.getLengthUnitValue(this.marginTop, 'px')
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}
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return style
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},
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// 根据mode的位置，设定其弹窗的宽度(mode = left|right)，或者高度(mode = top|bottom)
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contentStyle() {
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let style = {}
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// 如果是左边或者上边弹出时，需要给translate设置为负值，用于隐藏
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if (this.mode === 'left' || this.mode === 'right') {
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style = {
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width: this.width ? this.$t.string.getLengthUnitValue(this.width) : this.$t.string.getLengthUnitValue(this.length),
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height: '100%',
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transform: `translate3D(${this.mode === 'left' ? '-100%' : '100%'}, 0px, 0px)`
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}
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} else if (this.mode === 'top' || this.mode === 'bottom') {
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style = {
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width: '100%',
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height: this.height ? this.$t.string.getLengthUnitValue(this.height) : this.$t.string.getLengthUnitValue(this.length),
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transform: `translate3D(0px, ${this.mode === 'top' ? '-100%': '100%'}, 0px)`
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}
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}
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style.zIndex = this.elZIndex
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// 如果设置了圆角的值，添加弹窗的圆角
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if (this.borderRadius) {
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switch(this.mode) {
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case 'left':
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style.borderRadius = `0 ${this.borderRadius}rpx ${this.borderRadius}rpx 0`
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break
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case 'top':
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style.borderRadius = `0 0 ${this.borderRadius}rpx ${this.borderRadius}rpx`
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break
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case 'right':
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style.borderRadius = `${this.borderRadius}rpx 0 0 ${this.borderRadius}rpx`
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break
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case 'bottom':
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style.borderRadius = `${this.borderRadius}rpx ${this.borderRadius}rpx 0 0`
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break
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}
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style.overflow = 'hidden'
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}
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if (this.backgroundColorStyle && this.mode !== 'center') {
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style.backgroundColor = this.backgroundColorStyle
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}
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return style
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},
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// 中部弹窗的样式
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centerStyle() {
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let style = {}
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style.width = this.width ? this.$t.string.getLengthUnitValue(this.width) : this.$t.string.getLengthUnitValue(this.length)
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// 中部弹出的模式，如果没有设置高度，就用auto值，由内容撑开
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style.height = this.height ? this.$t.string.getLengthUnitValue(this.height) : 'auto'
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style.zIndex = this.elZIndex
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if (this.negativeTop) {
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style.marginTop = `-${this.$t.string.getLengthUnitValue(this.negativeTop)}`
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}
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if (this.borderRadius) {
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style.borderRadius = `${this.borderRadius}rpx`
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style.overflow='hidden'
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}
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if (this.backgroundColorStyle) {
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style.backgroundColor = this.backgroundColorStyle
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}
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return style
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},
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// 关闭按钮样式
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closeBtnStyle() {
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let style = {}
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if (this.closeIconColor) {
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style.color = this.closeIconColor
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}
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if (this.closeIconSize) {
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style.fontSize = this.closeIconSize + 'rpx'
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}
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return style
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},
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elZIndex() {
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return this.zIndex ? this.zIndex : this.$t.zIndex.popup
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}
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},
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data() {
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return {
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timer: null,
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visibleSync: false,
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showPopup: false,
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closeFromInner: false
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}
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},
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watch: {
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value(val) {
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if (val) {
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// console.log(this.visibleSync);
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if (this.visibleSync) {
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this.visibleSync = false
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return
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}
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this.open()
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} else if (!this.closeFromInner) {
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this.close()
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}
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this.closeFromInner = false
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}
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},
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mounted() {
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// 组件渲染完成时，检查value是否为true，如果是，弹出popup
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this.value && this.open()
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},
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methods: {
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// 点击遮罩
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maskClick() {
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if (!this.maskCloseable) return
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this.close()
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},
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open() {
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this.change('visibleSync', 'showPopup', true)
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},
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// 关闭弹框
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close() {
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// 标记关闭是内部发生的，否则修改了value值，导致watch中对value检测，导致再执行一遍close
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// 造成@close事件触发两次
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this.closeFromInner = true
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this.change('showPopup', 'visibleSync', false)
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},
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// 中部弹出时，需要.tn-drawer-content将内容居中，此元素会铺满屏幕，点击需要关闭弹窗
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// 让其只在mode=center时起作用
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modeCenterClose() {
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if (this.mode != 'center' || !this.maskCloseable) return
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this.close()
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},
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// 关闭时先通过动画隐藏弹窗和遮罩，再移除整个组件
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// 打开时，先渲染组件，延时一定时间再让遮罩和弹窗的动画起作用
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change(param1, param2, status) {
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// 如果this.popup为false，意味着为picker，actionsheet等组件调用了popup组件
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if (this.popup === true) {
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this.$emit('input', status)
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}
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this[param1] = status
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if (status) {
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// #ifdef H5 || MP
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this.timer = setTimeout(() => {
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this[param2] = status
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this.$emit(status ? 'open' : 'close')
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clearTimeout(this.timer)
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}, 10)
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// #endif
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// #ifndef H5 || MP
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this.$nextTick(() => {
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this[param2] = status
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this.$emit(status ? 'open' : 'close')
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})
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// #endif
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} else {
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this.timer = setTimeout(() => {
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this[param2] = status
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this.$emit(status ? 'open' : 'close')
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clearTimeout(this.timer)
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}, 250)
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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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.tn-popup {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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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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bottom: 0;
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overflow: hidden;
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&__content {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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position: absolute;
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transition: all 0.25s linear;
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&--visible {
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transform: translate3D(0px, 0px, 0px) !important;
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&.tn-popup--center {
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transform: scale(1);
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opacity: 1;
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}
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}
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&__center_box {
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min-width: 100rpx;
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min-height: 100rpx;
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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position: relative;
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background-color: #FFFFFF;
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}
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&__scroll-view {
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width: 100%;
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height: 100%;
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}
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&__center--animation-zoom {
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transform: scale(1.15);
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}
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}
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&__scroll_view {
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width: 100%;
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height: 100%;
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}
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&--left {
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top: 0;
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bottom: 0;
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left: 0;
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background-color: #FFFFFF;
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}
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&--right {
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top: 0;
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bottom: 0;
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right: 0;
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background-color: #FFFFFF;
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}
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&--top {
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left: 0;
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right: 0;
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top: 0;
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background-color: #FFFFFF;
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}
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&--bottom {
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left: 0;
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right: 0;
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bottom: 0;
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background-color: #FFFFFF;
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}
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&--center {
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display: flex;
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flex-direction: column;
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bottom: 0;
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top: 0;
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left: 0;
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right: 0;
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justify-content: center;
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align-items: center;
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opacity: 0;
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}
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&__close {
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position: absolute;
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&--top-left {
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top: 30rpx;
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left: 30rpx;
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}
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&--top-right {
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top: 30rpx;
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right: 30rpx;
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}
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&--bottom-left {
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bottom: 30rpx;
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left: 30rpx;
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}
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&--bottom-right {
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bottom: 30rpx;
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right: 30rpx;
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}
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}
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&__mask {
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width: 100%;
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height: 100%;
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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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border: 0;
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background-color: $tn-mask-bg-color;
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transition: 0.25s linear;
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transition-property: opacity;
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opacity: 0;
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&--show {
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opacity: 1;
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}
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}
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}
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</style>
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