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+<template>
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+ <div id="tags-view-container" class="tags-view-container hidden-sm-and-down">
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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)">刷新</li>
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+ <li v-if="!isAffix(selectedTag)" @click="closeSelectedTag(selectedTag)">关闭</li>
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+ <li @click="closeOthersTags">关闭其它</li>
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+ <li @click="closeAllTags(selectedTag)">关闭所有</li>
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+ </ul>
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+ </div>
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+</template>
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+ &:first-of-type {
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+ margin-left: 15px;
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+ }
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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