<template>
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<div id="tags-view-container" class="tags-view-container">
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<scroll-pane ref="scrollPane" class="tags-view-wrapper" @scroll="handleScroll">
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<router-link
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v-for="tag in visitedViews"
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ref="tag"
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:key="tag.path"
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:class="isActive(tag)?'active':''"
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:to="{ path: tag.path, query: tag.query, fullPath: tag.fullPath }"
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tag="span"
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class="tags-view-item"
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@click.middle.native="!isAffix(tag)?closeSelectedTag(tag):''"
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@contextmenu.prevent.native="openMenu(tag,$event)"
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>
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{{ tag.title }}
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<span v-if="!isAffix(tag)" class="el-icon-close" @click.prevent.stop="closeSelectedTag(tag)" />
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</router-link>
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</scroll-pane>
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<ul v-show="visible" :style="{left:left+'px',top:top+'px'}" class="contextmenu">
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<li @click="refreshSelectedTag(selectedTag)">Refresh</li>
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<li v-if="!isAffix(selectedTag)" @click="closeSelectedTag(selectedTag)">Close</li>
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<li @click="closeOthersTags">Close Others</li>
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<li @click="closeAllTags(selectedTag)">Close All</li>
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</ul>
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</div>
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</template>
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<script>
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import ScrollPane from './ScrollPane'
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import path from 'path'
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export default {
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components: { ScrollPane },
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data() {
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return {
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visible: false,
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top: 0,
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left: 0,
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selectedTag: {},
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affixTags: []
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}
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},
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computed: {
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visitedViews() {
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return this.$store.state.tagsView.visitedViews
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},
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routes() {
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return this.$store.state.permission.routes
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}
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},
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watch: {
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$route() {
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this.addTags()
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this.moveToCurrentTag()
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},
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visible(value) {
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if (value) {
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document.body.addEventListener('click', this.closeMenu)
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} else {
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document.body.removeEventListener('click', this.closeMenu)
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}
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}
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},
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mounted() {
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this.initTags()
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this.addTags()
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},
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methods: {
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isActive(route) {
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return route.path === this.$route.path
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},
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isAffix(tag) {
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return tag.meta && tag.meta.affix
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},
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filterAffixTags(routes, basePath = '/') {
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let tags = []
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routes.forEach(route => {
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if (route.meta && route.meta.affix) {
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const tagPath = path.resolve(basePath, route.path)
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tags.push({
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fullPath: tagPath,
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path: tagPath,
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name: route.name,
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meta: { ...route.meta }
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})
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}
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if (route.children) {
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const tempTags = this.filterAffixTags(route.children, route.path)
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if (tempTags.length >= 1) {
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tags = [...tags, ...tempTags]
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}
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}
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})
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return tags
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},
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initTags() {
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const affixTags = this.affixTags = this.filterAffixTags(this.routes)
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for (const tag of affixTags) {
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// Must have tag name
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if (tag.name) {
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this.$store.dispatch('tagsView/addVisitedView', tag)
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}
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}
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},
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addTags() {
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const { name } = this.$route
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if (name) {
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this.$store.dispatch('tagsView/addView', this.$route)
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}
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return false
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},
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moveToCurrentTag() {
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const tags = this.$refs.tag
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this.$nextTick(() => {
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for (const tag of tags) {
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if (tag.to.path === this.$route.path) {
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this.$refs.scrollPane.moveToTarget(tag)
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// when query is different then update
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if (tag.to.fullPath !== this.$route.fullPath) {
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this.$store.dispatch('tagsView/updateVisitedView', this.$route)
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}
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break
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}
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}
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})
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},
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refreshSelectedTag(view) {
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this.$store.dispatch('tagsView/delCachedView', view).then(() => {
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const { fullPath } = view
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this.$nextTick(() => {
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this.$router.replace({
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path: '/redirect' + fullPath
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})
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})
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})
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},
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closeSelectedTag(view) {
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this.$store.dispatch('tagsView/delView', view).then(({ visitedViews }) => {
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if (this.isActive(view)) {
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this.toLastView(visitedViews, view)
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}
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})
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},
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closeOthersTags() {
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this.$router.push(this.selectedTag)
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this.$store.dispatch('tagsView/delOthersViews', this.selectedTag).then(() => {
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this.moveToCurrentTag()
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})
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},
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closeAllTags(view) {
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this.$store.dispatch('tagsView/delAllViews').then(({ visitedViews }) => {
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if (this.affixTags.some(tag => tag.path === view.path)) {
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return
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}
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this.toLastView(visitedViews, view)
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})
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},
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toLastView(visitedViews, view) {
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const latestView = visitedViews.slice(-1)[0]
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if (latestView) {
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this.$router.push(latestView.fullPath)
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} else {
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// now the default is to redirect to the home page if there is no tags-view,
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// you can adjust it according to your needs.
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if (view.name === 'Dashboard') {
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// to reload home page
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this.$router.replace({ path: '/redirect' + view.fullPath })
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} else {
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this.$router.push('/')
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}
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}
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},
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openMenu(tag, e) {
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const menuMinWidth = 105
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const offsetLeft = this.$el.getBoundingClientRect().left // container margin left
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const offsetWidth = this.$el.offsetWidth // container width
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const maxLeft = offsetWidth - menuMinWidth // left boundary
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const left = e.clientX - offsetLeft + 15 // 15: margin right
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if (left > maxLeft) {
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this.left = maxLeft
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} else {
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this.left = left
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}
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this.top = e.clientY
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this.visible = true
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this.selectedTag = tag
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},
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closeMenu() {
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this.visible = false
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},
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handleScroll() {
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this.closeMenu()
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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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.tags-view-container {
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height: 34px;
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width: 100%;
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background: #fff;
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border-bottom: 1px solid #d8dce5;
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box-shadow: 0 1px 3px 0 rgba(0, 0, 0, .12), 0 0 3px 0 rgba(0, 0, 0, .04);
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.tags-view-wrapper {
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.tags-view-item {
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display: inline-block;
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position: relative;
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cursor: pointer;
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height: 26px;
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line-height: 26px;
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border: 1px solid #d8dce5;
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color: #495060;
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background: #fff;
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padding: 0 8px;
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font-size: 12px;
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margin-left: 5px;
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margin-top: 4px;
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&:first-of-type {
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margin-left: 15px;
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}
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&:last-of-type {
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margin-right: 15px;
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}
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&.active {
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background-color: #42b983;
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color: #fff;
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border-color: #42b983;
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&::before {
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content: '';
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background: #fff;
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display: inline-block;
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width: 8px;
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height: 8px;
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border-radius: 50%;
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position: relative;
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margin-right: 2px;
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}
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}
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}
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}
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.contextmenu {
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margin: 0;
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background: #fff;
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z-index: 3000;
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position: absolute;
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list-style-type: none;
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padding: 5px 0;
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border-radius: 4px;
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font-size: 12px;
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font-weight: 400;
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color: #333;
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box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, .3);
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li {
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margin: 0;
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padding: 7px 16px;
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cursor: pointer;
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&:hover {
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background: #eee;
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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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<style lang="scss">
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//reset element css of el-icon-close
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.tags-view-wrapper {
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.tags-view-item {
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.el-icon-close {
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width: 16px;
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height: 16px;
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vertical-align: 2px;
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border-radius: 50%;
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text-align: center;
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transition: all .3s cubic-bezier(.645, .045, .355, 1);
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transform-origin: 100% 50%;
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&:before {
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transform: scale(.6);
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display: inline-block;
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vertical-align: -3px;
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}
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&:hover {
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background-color: #b4bccc;
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color: #fff;
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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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