<template>
|
<div :class="{'show':show}" class="header-search">
|
<svg-icon class-name="search-icon" icon-class="search" @click.stop="click" />
|
<el-select
|
ref="headerSearchSelect"
|
v-model="search"
|
:remote-method="querySearch"
|
filterable
|
default-first-option
|
remote
|
placeholder="Search"
|
class="header-search-select"
|
@change="change"
|
>
|
<el-option v-for="item in options" :key="item.path" :value="item" :label="item.title.join(' > ')" />
|
</el-select>
|
</div>
|
</template>
|
|
<script>
|
// fuse is a lightweight fuzzy-search module
|
// make search results more in line with expectations
|
import Fuse from 'fuse.js'
|
import path from 'path'
|
|
export default {
|
name: 'HeaderSearch',
|
data() {
|
return {
|
search: '',
|
options: [],
|
searchPool: [],
|
show: false,
|
fuse: undefined
|
}
|
},
|
computed: {
|
routes() {
|
return this.$store.getters.permission_routes
|
}
|
},
|
watch: {
|
routes() {
|
this.searchPool = this.generateRoutes(this.routes)
|
},
|
searchPool(list) {
|
this.initFuse(list)
|
},
|
show(value) {
|
if (value) {
|
document.body.addEventListener('click', this.close)
|
} else {
|
document.body.removeEventListener('click', this.close)
|
}
|
}
|
},
|
mounted() {
|
this.searchPool = this.generateRoutes(this.routes)
|
},
|
methods: {
|
click() {
|
this.show = !this.show
|
if (this.show) {
|
this.$refs.headerSearchSelect && this.$refs.headerSearchSelect.focus()
|
}
|
},
|
close() {
|
this.$refs.headerSearchSelect && this.$refs.headerSearchSelect.blur()
|
this.options = []
|
this.show = false
|
},
|
change(val) {
|
this.$router.push(val.path)
|
this.search = ''
|
this.options = []
|
this.$nextTick(() => {
|
this.show = false
|
})
|
},
|
initFuse(list) {
|
this.fuse = new Fuse(list, {
|
shouldSort: true,
|
threshold: 0.4,
|
location: 0,
|
distance: 100,
|
maxPatternLength: 32,
|
minMatchCharLength: 1,
|
keys: [{
|
name: 'title',
|
weight: 0.7
|
}, {
|
name: 'path',
|
weight: 0.3
|
}]
|
})
|
},
|
// Filter out the routes that can be displayed in the sidebar
|
// And generate the internationalized title
|
generateRoutes(routes, basePath = '/', prefixTitle = []) {
|
let res = []
|
|
for (const router of routes) {
|
// skip hidden router
|
if (router.hidden) { continue }
|
|
const data = {
|
path: path.resolve(basePath, router.path),
|
title: [...prefixTitle]
|
}
|
|
if (router.meta && router.meta.title) {
|
data.title = [...data.title, router.meta.title]
|
|
if (router.redirect !== 'noRedirect') {
|
// only push the routes with title
|
// special case: need to exclude parent router without redirect
|
res.push(data)
|
}
|
}
|
|
// recursive child routes
|
if (router.children) {
|
const tempRoutes = this.generateRoutes(router.children, data.path, data.title)
|
if (tempRoutes.length >= 1) {
|
res = [...res, ...tempRoutes]
|
}
|
}
|
}
|
return res
|
},
|
querySearch(query) {
|
if (query !== '') {
|
this.options = this.fuse.search(query)
|
} else {
|
this.options = []
|
}
|
}
|
}
|
}
|
</script>
|
|
<style lang="scss" scoped>
|
.header-search {
|
font-size: 0 !important;
|
|
.search-icon {
|
cursor: pointer;
|
font-size: 18px;
|
vertical-align: middle;
|
}
|
|
.header-search-select {
|
font-size: 18px;
|
transition: width 0.2s;
|
width: 0;
|
overflow: hidden;
|
background: transparent;
|
border-radius: 0;
|
display: inline-block;
|
vertical-align: middle;
|
|
::v-deep .el-input__inner {
|
border-radius: 0;
|
border: 0;
|
padding-left: 0;
|
padding-right: 0;
|
box-shadow: none !important;
|
border-bottom: 1px solid #d9d9d9;
|
vertical-align: middle;
|
}
|
}
|
|
&.show {
|
.header-search-select {
|
width: 210px;
|
margin-left: 10px;
|
}
|
}
|
}
|
</style>
|