426 lines
11 KiB
Vue
426 lines
11 KiB
Vue
<template lang="pug">
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div(:class="$style.container" ref="dom_container" v-show="isShow")
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transition(enter-active-class="animated-fast zoomIn" leave-active-class="animated zoomOut" @after-leave="handleAnimated")
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div(:class="$style.search" v-show="visible")
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div(:class="$style.form")
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input.key-bind.ignore-esc(:placeholder="placeholder" v-model.trim="text" ref="dom_input"
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@input="handleDelaySearch"
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@keyup.enter="handleTemplistClick(selectIndex)"
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@keyup.40.prevent="handleKeyDown"
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@keyup.38.prevent="handleKeyUp"
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@keyup.27.prevent="handleKeyEsc"
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@contextmenu="handleContextMenu")
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button(type="button" @click="handleHide")
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slot
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svg(version='1.1' xmlns='http://www.w3.org/2000/svg' xlink='http://www.w3.org/1999/xlink' height='100%' viewBox='0 0 212.982 212.982' space='preserve')
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use(xlink:href='#icon-delete')
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div.scroll(v-if="resultList" :class="$style.list" :style="listStyle" ref="dom_scrollContainer")
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ul(ref="dom_list")
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li(v-for="(item, index) in resultList" :key="item.songmid" :class="selectIndex === index ? $style.select : null" @mouseenter="selectIndex = index" @click="handleTemplistClick(index)")
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div(:class="$style.img")
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div(:class="$style.text")
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h3(:class="$style.text") {{item.name}} - {{item.singer}}
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h3(v-if="item.albumName" :class="[$style.text, $style.albumName]") {{item.albumName}}
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div(:class="$style.source") {{item.source}}
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</template>
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<script>
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import { clipboardReadText, debounce, scrollTo } from '../../utils'
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let canceleFn
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// https://blog.csdn.net/xcxy2015/article/details/77164126#comments
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const similar = (a, b) => {
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if (!a || !b) return 0
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if (a.length > b.length) { // 保证 a <= b
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let t = b
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b = a
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a = t
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}
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let al = a.length
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let bl = b.length
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let mp = [] // 一个表
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let i, j, ai, lt, tmp // ai：字符串a的第i个字符。 lt：左上角的值。 tmp：暂存新的值。
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for (i = 0; i <= bl; i++) mp[i] = i
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for (i = 1; i <= al; i++) {
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ai = a.charAt(i - 1)
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lt = mp[0]
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mp[0] = mp[0] + 1
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for (j = 1; j <= bl; j++) {
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tmp = Math.min(mp[j] + 1, mp[j - 1] + 1, lt + (ai == b.charAt(j - 1) ? 0 : 1))
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lt = mp[j]
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mp[j] = tmp
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}
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}
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return 1 - (mp[bl] / bl)
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}
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const sortInsert = (arr, data) => {
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let key = data.num
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let left = 0
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let right = arr.length - 1
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while (left <= right) {
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let middle = parseInt((left + right) / 2)
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if (key == arr[middle]) {
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left = middle
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break
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} else if (key < arr[middle].num) {
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right = middle - 1
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} else {
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left = middle + 1
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}
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}
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while (left > 0) {
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if (arr[left - 1].num != key) break
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left--
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}
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arr.splice(left, 0, data)
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}
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const handleSortList = (list, keyword) => {
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let arr = []
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for (const item of list) {
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sortInsert(arr, {
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num: similar(keyword, `${item.name} ${item.singer} ${item.albumName || ''}`),
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data: item,
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})
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}
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return arr.map(item => item.data).reverse()
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}
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export default {
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props: {
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placeholder: {
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type: String,
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default: 'Find for something...',
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},
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list: {
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type: Array,
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default() {
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return []
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},
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},
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visible: {
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type: Boolean,
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default: false,
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},
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},
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data() {
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return {
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text: '',
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selectIndex: -1,
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listStyle: {
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height: 0,
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maxHeight: 0,
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},
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maxHeight: 0,
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resultList: [],
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isModDown: false,
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isShow: false,
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}
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},
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watch: {
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resultList(n) {
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if (this.selectIndex > -1) this.selectIndex = -1
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this.$nextTick(() => {
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this.listStyle.height = Math.min(this.$refs.dom_list.scrollHeight, this.maxHeight) + 'px'
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})
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},
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list(n) {
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if (!this.visible) return
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this.handleDelaySearch()
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},
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visible(n) {
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if (!n) return
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this.isShow = true
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this.init()
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},
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},
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created() {
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this.handleDelaySearch = debounce(() => {
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this.handleSearch()
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})
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if (this.visible) this.isShow = true
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},
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mounted() {
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this.init()
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window.eventHub.$on('key_mod_down', this.handle_key_mod_down)
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window.eventHub.$on('key_mod_up', this.handle_key_mod_up)
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window.eventHub.$on('key_mod+f_down', this.handle_key_mod_f_down)
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},
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beforeDestroy() {
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window.eventHub.$off('key_mod_down', this.handle_key_mod_down)
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window.eventHub.$off('key_mod_up', this.handle_key_mod_up)
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window.eventHub.$off('key_mod+f_down', this.handle_key_mod_f_down)
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},
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methods: {
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init() {
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if (!this.visible) return
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this.handleSearch()
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this.$nextTick(() => {
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if (!this.listStyle.maxHeight) {
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this.maxHeight = this.$refs.dom_container.offsetParent.clientHeight - this.$refs.dom_list.offsetTop - 70
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this.listStyle.maxHeight = this.maxHeight + 'px'
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}
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this.$refs.dom_input.focus()
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})
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},
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handleKeyEsc() {
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if (this.text.length > 0) {
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this.text = ''
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this.resultList = []
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} else {
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this.handleHide()
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}
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},
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handle_key_mod_down() {
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this.isModDown = true
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},
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handle_key_mod_up() {
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setTimeout(() => {
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this.isModDown = false
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}, 100)
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},
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handle_key_mod_f_down() {
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if (this.visible) this.$refs.dom_input.focus()
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},
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handleAnimated() {
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if (this.visible) return
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this.isShow = false
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},
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handleTemplistClick(index) {
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if (index < 0) return
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this.sendEvent('listClick', {
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index: this.list.indexOf(this.resultList[index]),
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isPlay: this.isModDown,
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})
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},
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handleHide() {
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this.sendEvent('hide')
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},
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sendEvent(action, data) {
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this.$emit('action', {
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action,
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data,
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})
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},
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handleKeyDown() {
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if (!this.resultList.length) return
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this.selectIndex = this.selectIndex + 1 < this.resultList.length ? this.selectIndex + 1 : 0
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this.handleScrollList()
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},
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handleKeyUp() {
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if (!this.resultList.length) return
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this.selectIndex = this.selectIndex - 1 < -1 ? this.resultList.length - 1 : this.selectIndex - 1
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this.handleScrollList()
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},
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handleScrollList() {
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if (this.selectIndex < 0) return
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let dom = this.$refs.dom_list.children[this.selectIndex]
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let offsetTop = dom.offsetTop
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let scrollTop = this.$refs.dom_scrollContainer.scrollTop
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if (offsetTop < scrollTop) {
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if (canceleFn) canceleFn()
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canceleFn = scrollTo(this.$refs.dom_scrollContainer, offsetTop, 200, () => canceleFn = null)
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} else if (offsetTop + dom.clientHeight > this.$refs.dom_scrollContainer.clientHeight + scrollTop) {
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if (canceleFn) canceleFn()
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canceleFn = scrollTo(this.$refs.dom_scrollContainer, offsetTop + dom.clientHeight - this.$refs.dom_scrollContainer.clientHeight, 200, () => canceleFn = null)
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}
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},
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handleContextMenu() {
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let str = clipboardReadText()
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str = str.replace(/\t|\r\n|\n|\r/g, ' ')
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str = str.replace(/\s+/g, ' ')
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let dom_input = this.$refs.dom_input
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this.text = `${this.text.substring(0, dom_input.selectionStart)}${str}${this.text.substring(dom_input.selectionEnd, this.text.length)}`
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},
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handleSearch() {
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if (!this.text.length) return this.resultList = []
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let list = []
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let rxp = new RegExp(this.text.split('').map(s => s.replace(/[.*+?^${}()|[\]\\]/, '\\$&')).join('.*') + '.*', 'i')
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for (const item of this.list) {
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if (rxp.test(`${item.name}${item.singer}${item.albumName ? item.albumName : ''}`)) list.push(item)
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}
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this.resultList = handleSortList(list, this.text)
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},
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},
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}
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</script>
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<style lang="less" module>
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@import '../../assets/styles/layout.less';
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.container {
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position: absolute;
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left: 50%;
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transform: translateX(-50%);
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top: 20px;
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width: 45%;
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height: @height-toolbar * 0.52;
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}
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.search {
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position: absolute;
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width: 100%;
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border-radius: 4px;
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transition: box-shadow .4s ease, background-color @transition-theme;
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display: flex;
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flex-flow: column nowrap;
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background-color: @color-search-form-background;
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box-shadow: 0 1px 2px rgba(0,0,0,0.07),
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0 2px 4px rgba(0,0,0,0.07),
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0 4px 8px rgba(0,0,0,0.07),
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0 8px 16px rgba(0,0,0,0.07),
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0 16px 32px rgba(0,0,0,0.07),
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0 32px 64px rgba(0,0,0,0.07);
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&.active {
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.form {
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input {
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border-bottom-left-radius: 0;
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}
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button {
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border-bottom-right-radius: 0;
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}
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}
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}
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.form {
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display: flex;
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height: @height-toolbar * 0.52;
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position: relative;
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input {
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flex: auto;
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// border: 1px solid;
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border-top-left-radius: 4px;
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border-bottom-left-radius: 4px;
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background-color: transparent;
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// border-bottom: 2px solid @color-theme;
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// border-color: @color-theme;
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border: none;
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outline: none;
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// height: @height-toolbar * .7;
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padding: 0 5px;
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overflow: hidden;
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font-size: 13.5px;
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line-height: @height-toolbar * 0.52 + 5px;
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&::placeholder {
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color: @color-btn;
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}
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}
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button {
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flex: none;
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border: none;
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// background-color: @color-search-form-background;
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background-color: transparent;
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outline: none;
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border-top-right-radius: 4px;
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border-bottom-right-radius: 4px;
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cursor: pointer;
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height: 100%;
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padding: 6px 7px;
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color: @color-btn;
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transition: background-color .2s ease;
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opacity: 0.8;
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&:hover {
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background-color: @color-theme-hover;
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}
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&:active {
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background-color: @color-theme-active;
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}
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}
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}
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.list {
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// background-color: @color-search-form-background;
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font-size: 13px;
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transition: .3s ease;
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height: 0;
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transition-property: height;
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position: relative;
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li {
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position: relative;
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cursor: pointer;
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padding: 8px 5px;
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transition: background-color .2s ease;
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line-height: 1.3;
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// overflow: hidden;
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display: flex;
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flex-flow: row nowrap;
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&.select {
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background-color: @color-search-list-hover;
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}
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border-radius: 4px;
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// &:last-child {
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// border-bottom-left-radius: 4px;
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// border-bottom-right-radius: 4px;
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// }
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}
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}
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}
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.img {
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flex: none;
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}
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.text {
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flex: auto;
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.mixin-ellipsis-1;
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}
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.albumName {
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font-size: 12px;
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opacity: 0.6;
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.mixin-ellipsis-1;
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}
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.source {
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flex: none;
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font-size: 12px;
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opacity: 0.5;
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padding: 0 5px;
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display: flex;
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align-items: center;
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// transform: rotate(45deg);
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// background-color:
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}
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each(@themes, {
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:global(#container.@{value}) {
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.search {
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background-color: ~'@{color-@{value}-search-form-background}';
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.form {
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input {
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&::placeholder {
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color: ~'@{color-@{value}-btn}';
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}
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}
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button {
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color: ~'@{color-@{value}-btn}';
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&:hover {
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background-color: ~'@{color-@{value}-theme-hover}';
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}
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&:active {
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background-color: ~'@{color-@{value}-theme-active}';
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}
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}
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}
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.list {
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li {
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&.select {
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background-color: ~'@{color-@{value}-search-list-hover}';
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}
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}
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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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