<template>
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<div id="tags-view-container" class="tags-view-container">
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<!-- 左切换箭头 -->
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<span class="tags-nav-btn tags-nav-btn--left" :class="{ disabled: !canScrollLeft }" @click="scrollLeft">
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<i class="el-icon-arrow-left" />
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</span>
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<!-- 标签滚动区 -->
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<scroll-pane ref="scrollPane" class="tags-view-wrapper" @scroll="handleScroll" @updateArrows="updateArrowState">
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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="{ 'active': isActive(tag), 'has-icon': tagsIcon }"
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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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:style="activeStyle(tag)"
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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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<svg-icon v-if="tagsIcon && tag.meta && tag.meta.icon && tag.meta.icon !== '#'" :icon-class="tag.meta.icon" />
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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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<!-- 右切换箭头 -->
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<span class="tags-nav-btn tags-nav-btn--right" :class="{ disabled: !canScrollRight }" @click="scrollRight">
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<i class="el-icon-arrow-right" />
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</span>
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<!-- 下拉操作菜单 -->
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<el-dropdown class="tags-action-dropdown" trigger="click" placement="bottom-end" @command="handleDropdownCommand">
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<span class="tags-action-btn">
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<i class="el-icon-arrow-down" />
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</span>
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<el-dropdown-menu slot="dropdown" class="tags-dropdown-menu">
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<el-dropdown-item v-if="!isAffix(selectedDropdownTag)" command="close" icon="el-icon-close">关闭当前</el-dropdown-item>
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<el-dropdown-item command="closeOthers" icon="el-icon-circle-close">关闭其他</el-dropdown-item>
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<el-dropdown-item command="closeLeft" :disabled="isFirstView()" icon="el-icon-back">关闭左侧</el-dropdown-item>
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<el-dropdown-item command="closeRight" :disabled="isLastView()" icon="el-icon-right">关闭右侧</el-dropdown-item>
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<el-dropdown-item command="closeAll" icon="el-icon-circle-close">全部关闭</el-dropdown-item>
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<el-dropdown-item command="fullscreen" icon="el-icon-full-screen" divided>全屏显示</el-dropdown-item>
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</el-dropdown-menu>
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</el-dropdown>
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<!-- 刷新按钮 -->
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<span class="tags-action-btn tags-refresh-btn" title="刷新页面" @click="refreshSelectedTag(selectedDropdownTag)">
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<i class="el-icon-refresh-right" /> 刷新
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</span>
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<!-- 右键上下文菜单 -->
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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)"><i class="el-icon-refresh-right"></i> 刷新页面</li>
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<li v-if="!isAffix(selectedTag)" @click="closeSelectedTag(selectedTag)"><i class="el-icon-close"></i> 关闭当前</li>
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<li @click="closeOthersTags"><i class="el-icon-circle-close"></i> 关闭其他</li>
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<li v-if="!isFirstView()" @click="closeLeftTags"><i class="el-icon-back"></i> 关闭左侧</li>
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<li v-if="!isLastView()" @click="closeRightTags"><i class="el-icon-right"></i> 关闭右侧</li>
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<li @click="closeAllTags(selectedTag)"><i class="el-icon-circle-close"></i> 全部关闭</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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canScrollLeft: false,
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canScrollRight: false,
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isFullscreen: false
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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.$store.state.permission.routes
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},
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theme() {
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return this.$store.state.settings.theme
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},
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tagsIcon() {
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return this.$store.state.settings.tagsIcon
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},
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selectedDropdownTag() {
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return this.visitedViews.find(v => this.isActive(v)) || {}
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}
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},
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watch: {
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$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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visitedViews() {
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this.$nextTick(() => {
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this.updateArrowState()
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})
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}
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},
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mounted() {
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this.initTags()
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this.addTags()
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window.addEventListener('resize', this.updateArrowState)
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document.addEventListener('fullscreenchange', this.onFullscreenChange)
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},
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beforeDestroy() {
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window.removeEventListener('resize', this.updateArrowState)
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document.removeEventListener('fullscreenchange', this.onFullscreenChange)
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},
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methods: {
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isActive(route) {
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return route.path === this.$route.path
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},
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activeStyle(tag) {
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if (!this.isActive(tag)) return {}
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return {
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"background-color": this.theme,
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"border-color": this.theme
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}
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},
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isAffix(tag) {
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return tag && tag.meta && tag.meta.affix
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},
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isFirstView() {
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try {
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const tag = this.selectedTag && this.selectedTag.fullPath ? this.selectedTag : this.selectedDropdownTag
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return tag.fullPath === '/index' || tag.fullPath === this.visitedViews[1].fullPath
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} catch (err) {
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return false
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}
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},
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isLastView() {
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try {
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const tag = this.selectedTag && this.selectedTag.fullPath ? this.selectedTag : this.selectedDropdownTag
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return tag.fullPath === this.visitedViews[this.visitedViews.length - 1].fullPath
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} catch (err) {
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return false
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}
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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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if (this.$store.state.settings.tagsViewPersist) {
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this.$store.dispatch('tagsView/loadPersistedViews')
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}
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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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if (tag.name) {
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this.$store.dispatch('tagsView/addAffixView', tag)
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}
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}
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},
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addTags() {
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const { name } = this.$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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},
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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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if (tag.to.fullPath !== this.$route.fullPath) {
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this.$store.dispatch('tagsView/updateVisitedView', this.$route)
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}
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break
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}
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}
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})
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},
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scrollLeft() {
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if (!this.canScrollLeft) return
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this.$refs.scrollPane.scrollToStart()
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},
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scrollRight() {
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if (!this.canScrollRight) return
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this.$refs.scrollPane.scrollToEnd()
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},
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updateArrowState() {
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this.$nextTick(() => {
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if (this.$refs.scrollPane) {
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const state = this.$refs.scrollPane.getScrollState()
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this.canScrollLeft = state.canLeft
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this.canScrollRight = state.canRight
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}
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})
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},
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toggleFullscreen() {
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if (!document.fullscreenElement) {
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const appMain = document.querySelector('.app-main')
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if (appMain) {
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appMain.requestFullscreen()
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}
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} else {
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document.exitFullscreen()
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}
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},
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onFullscreenChange() {
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this.isFullscreen = !!document.fullscreenElement
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},
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handleDropdownCommand(command) {
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const tag = this.selectedDropdownTag
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this.selectedTag = tag
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switch (command) {
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case 'refresh':
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this.refreshSelectedTag(tag)
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break
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case 'fullscreen':
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this.toggleFullscreen()
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break
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case 'close':
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this.closeSelectedTag(tag)
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break
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case 'closeOthers':
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this.closeOthersTags()
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break
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case 'closeLeft':
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this.closeLeftTags()
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break
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case 'closeRight':
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this.closeRightTags()
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break
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case 'closeAll':
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this.closeAllTags(tag)
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break
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}
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},
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refreshSelectedTag(view) {
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this.$tab.refreshPage(view)
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if (this.$route.meta.link) {
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this.$store.dispatch('tagsView/delIframeView', this.$route)
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}
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},
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closeSelectedTag(view) {
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this.$tab.closePage(view).then(({ visitedViews }) => {
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if (this.isActive(view)) {
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this.toLastView(visitedViews, view)
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}
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})
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},
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closeRightTags() {
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this.$tab.closeRightPage(this.selectedTag).then(visitedViews => {
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if (!visitedViews.find(i => i.fullPath === this.$route.fullPath)) {
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this.toLastView(visitedViews)
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}
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})
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},
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closeLeftTags() {
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this.$tab.closeLeftPage(this.selectedTag).then(visitedViews => {
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if (!visitedViews.find(i => i.fullPath === this.$route.fullPath)) {
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this.toLastView(visitedViews)
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}
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})
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},
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closeOthersTags() {
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this.$router.push(this.selectedTag.fullPath).catch(() => {})
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this.$tab.closeOtherPage(this.selectedTag).then(() => {
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this.moveToCurrentTag()
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})
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},
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closeAllTags(view) {
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this.$tab.closeAllPage().then(({ visitedViews }) => {
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if (this.affixTags.some(tag => tag.path === this.$route.path)) {
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return
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}
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this.toLastView(visitedViews, view)
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})
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},
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toLastView(visitedViews, view) {
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const latestView = visitedViews.slice(-1)[0]
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if (latestView) {
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this.$router.push(latestView.fullPath)
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} else {
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if (view && view.name === 'Dashboard') {
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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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this.left = e.clientX
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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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this.updateArrowState()
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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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display: flex;
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align-items: center;
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$btn-width: 28px;
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$btn-color: #71717a;
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$btn-hover-bg: #f0f2f5;
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$btn-hover-color: #303133;
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$btn-disabled-color: #c0c4cc;
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$divider: 1px solid #d8dce5;
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.tags-nav-btn {
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flex-shrink: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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width: $btn-width;
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height: 34px;
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cursor: pointer;
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color: $btn-color;
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font-size: 13px;
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user-select: none;
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transition: background 0.15s, color 0.15s;
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&:hover:not(.disabled) {
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background: $btn-hover-bg;
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color: $btn-hover-color;
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}
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&.disabled {
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color: $btn-disabled-color;
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cursor: not-allowed;
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}
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&--left {
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border-right: $divider;
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}
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&--right {
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border-left: $divider;
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}
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}
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.tags-view-wrapper {
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flex: 1;
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min-width: 0;
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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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border-radius: 3px;
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&:first-of-type {
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margin-left: 6px;
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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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.tags-view-item.active.has-icon::before {
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content: none !important;
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}
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.tags-action-dropdown {
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flex-shrink: 0;
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display: flex;
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align-items: center;
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}
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.tags-action-btn {
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display: flex;
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align-items: center;
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justify-content: center;
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width: $btn-width;
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height: 34px;
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cursor: pointer;
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color: $btn-color;
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font-size: 13px;
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border-left: $divider;
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user-select: none;
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transition: background 0.15s, color 0.15s;
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&:hover {
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background: $btn-hover-bg;
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color: $btn-hover-color;
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}
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}
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.tags-refresh-btn {
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width: 60px;
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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: fixed;
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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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.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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