<template>
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<view v-if="visibleSync" :class="{ 'uni-drawer--visible': showDrawer }" class="uni-drawer" @touchmove.stop.prevent="clear">
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<view class="uni-drawer__mask" :class="{ 'uni-drawer__mask--visible': showDrawer && mask }" @tap="close('mask')" />
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<view class="uni-drawer__content" :class="{'uni-drawer--right': rightMode,'uni-drawer--left': !rightMode, 'uni-drawer__content--visible': showDrawer}" :style="{width:drawerWidth+'px'}">
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<slot />
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</view>
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<!-- #ifdef H5 -->
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<keypress @esc="close('mask')" />
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<!-- #endif -->
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</view>
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</template>
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<script>
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// #ifdef H5
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import keypress from './keypress.js'
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// #endif
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/**
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* Drawer 抽屉
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* @description 抽屉侧滑菜单
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* @tutorial https://ext.dcloud.net.cn/plugin?id=26
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* @property {Boolean} mask = [true | false] 是否显示遮罩
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* @property {Boolean} maskClick = [true | false] 点击遮罩是否关闭
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* @property {Boolean} mode = [left | right] Drawer 滑出位置
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* @value left 从左侧滑出
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* @value right 从右侧侧滑出
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* @property {Number} width 抽屉的宽度 ，仅 vue 页面生效
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* @event {Function} close 组件关闭时触发事件
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*/
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export default {
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name: 'UniDrawer',
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components: {
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// #ifdef H5
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keypress
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// #endif
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},
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emits:['change'],
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props: {
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/**
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* 显示模式（左、右），只在初始化生效
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*/
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mode: {
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type: String,
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default: ''
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},
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/**
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* 蒙层显示状态
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*/
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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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/**
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* 遮罩是否可点击关闭
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*/
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maskClick:{
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type: Boolean,
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default: true
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},
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/**
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* 抽屉宽度
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*/
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width: {
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type: Number,
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default: 220
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}
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},
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data() {
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return {
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visibleSync: false,
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showDrawer: false,
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rightMode: false,
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watchTimer: null,
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drawerWidth: 220
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}
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},
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created() {
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// #ifndef APP-NVUE
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this.drawerWidth = this.width
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// #endif
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this.rightMode = this.mode === 'right'
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},
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methods: {
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clear(){},
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close(type) {
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// fixed by mehaotian 抽屉尚未完全关闭或遮罩禁止点击时不触发以下逻辑
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if((type === 'mask' && !this.maskClick) || !this.visibleSync) return
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this._change('showDrawer', 'visibleSync', false)
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},
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open() {
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// fixed by mehaotian 处理重复点击打开的事件
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if(this.visibleSync) return
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this._change('visibleSync', 'showDrawer', true)
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},
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_change(param1, param2, status) {
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this[param1] = status
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if (this.watchTimer) {
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clearTimeout(this.watchTimer)
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}
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this.watchTimer = setTimeout(() => {
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this[param2] = status
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this.$emit('change',status)
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}, status ? 50 : 300)
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}
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}
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}
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</script>
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<style lang="scss" >
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$uni-mask: rgba($color: #000000, $alpha: 0.4) ;
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// 抽屉宽度
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$drawer-width: 220px;
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.uni-drawer {
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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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z-index: 999;
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}
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.uni-drawer__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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top: 0;
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width: $drawer-width;
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bottom: 0;
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background-color: $uni-bg-color;
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transition: transform 0.3s ease;
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}
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.uni-drawer--left {
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left: 0;
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/* #ifdef APP-NVUE */
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transform: translateX(-$drawer-width);
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/* #endif */
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/* #ifndef APP-NVUE */
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transform: translateX(-100%);
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/* #endif */
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}
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.uni-drawer--right {
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right: 0;
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/* #ifdef APP-NVUE */
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transform: translateX($drawer-width);
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/* #endif */
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/* #ifndef APP-NVUE */
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transform: translateX(100%);
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/* #endif */
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}
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.uni-drawer__content--visible {
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transform: translateX(0px);
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}
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.uni-drawer__mask {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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opacity: 0;
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position: absolute;
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top: 0;
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left: 0;
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bottom: 0;
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right: 0;
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background-color: $uni-mask;
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transition: opacity 0.3s;
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}
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.uni-drawer__mask--visible {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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opacity: 1;
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}
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</style>
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