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+<template>
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+ <div ref="wrapper" class="tags-view-container">
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+ <el-button class="move-btn prev-btn" icon="el-icon-arrow-left" @click="move(-200)" />
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+ <scroll-pane ref="scrollPane" class="tags-view-wrapper">
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+ <div class="link-wrapper">
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+ <router-link
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+ v-for="tag in visitedViews"
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+ :ref="setTagRef"
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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="closeSelectedTag(tag)"
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+ @contextmenu.prevent="openMenu(tag, $event)"
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+ >
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+ {{ tag.title }}
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+ <i v-if="!tag.meta.affix" class="el-icon-close icon-close" @click.prevent.stop="closeSelectedTag(tag)" />
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+ </router-link>
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+ </div>
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+ </scroll-pane>
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+ <el-button class="move-btn next-btn" icon="el-icon-arrow-right" @click="move(200)" />
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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)">
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+ 刷新
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+ </li>
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+ <li v-if="!(selectedTag.meta&&selectedTag.meta.affix)" @click="closeSelectedTag(selectedTag)">
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+ 关闭
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+ </li>
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+ <li @click="closeOthersTags">
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+ 关闭其他
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+ </li>
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+ <li @click="closeAllTags(selectedTag)">
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+ 关闭全部
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+ </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 lang="ts">
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+import ScrollPane from './ScrollPane.vue'
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+import path from 'path'
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+import { defineComponent, ref, unref, computed, watch, onMounted, nextTick } from 'vue'
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+import { tagsViewStore } from '_p/index/store/modules/tagsView'
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+import { permissionStore } from '_p/index/store/modules/permission'
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+import { useRouter } from 'vue-router'
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+import type { RouteLocationNormalizedLoaded, RouteRecordRaw } from 'vue-router'
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+
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+export default defineComponent({
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+ name: 'TagsView',
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+ components: {
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+ ScrollPane
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+ },
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+ setup() {
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+ const { currentRoute, push, replace } = useRouter()
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+ const wrapper = ref<HTMLElement | null>(null)
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+ const scrollPane = ref<HTMLElement | null>(null)
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+ const visible = ref<boolean>(false)
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+ const top = ref<number>(0)
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+ const left = ref<number>(0)
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+ const selectedTag = ref<any>({})
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+ const affixTags = ref<any[]>([])
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+ const visitedViews = computed(() => tagsViewStore.visitedViews)
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+ const routers = computed(() => permissionStore.routers)
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+
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+ const tagRefs = ref<any[]>([])
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+
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+ function setTagRef(el: any): void {
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+ tagRefs.value.push(el)
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+ }
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+
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+ function isActive(route: RouteLocationNormalizedLoaded): boolean {
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+ return route.path === currentRoute.value.path
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+ }
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+
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+ function filterAffixTags(routes: RouteRecordRaw[], basePath = '/'): any[] {
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+ let tags: any[] = []
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+ routes.forEach((route: RouteRecordRaw) => {
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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: any[] = 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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+
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+ return tags
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+ }
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+
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+ function initTags(): void {
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+ affixTags.value = filterAffixTags(routers.value)
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+ const affixTagArr: any[] = affixTags.value
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+ for (const tag of affixTagArr) {
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+ // Must have tag name
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+ if (tag.name) {
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+ tagsViewStore.addVisitedView(tag)
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+ }
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+ }
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+ }
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+
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+ function addTags(): void | boolean {
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+ const { name } = currentRoute.value
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+ if (name) {
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+ tagsViewStore.addView(currentRoute.value)
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+ }
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+ return false
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+ }
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+
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+ function moveToCurrentTag() {
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+ // TODO 要手动清除tagRefs,不然会一直重复,后续看看有没有什么解决办法
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+ tagRefs.value = []
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+ const tags = unref(tagRefs)
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+ nextTick(() => {
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+ for (const tag of tags) {
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+ if (tag && tag.to.path === currentRoute.value.path) {
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+ (unref(scrollPane) as any).moveToTarget(tag)
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+ // when query is different then update
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+ if (tag.to.fullPath !== currentRoute.value.fullPath) {
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+ tagsViewStore.updateVisitedView(currentRoute.value)
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+ }
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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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+
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+ async function refreshSelectedTag(view: RouteLocationNormalizedLoaded) {
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+ await tagsViewStore.delCachedView()
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+ const { fullPath } = view
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+ nextTick(() => {
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+ 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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+ async function closeSelectedTag(view: RouteLocationNormalizedLoaded) {
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+ const views: any = await tagsViewStore.delView(view)
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+ if (isActive(view)) {
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+ toLastView(views.visitedViews)
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+ }
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+ }
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+
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+ function closeOthersTags() {
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+ push(selectedTag.value)
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+ tagsViewStore.delOthersViews(selectedTag.value).then(() => {
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+ moveToCurrentTag()
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+ })
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+ }
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+
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+ async function closeAllTags(view: RouteLocationNormalizedLoaded) {
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+ const views: any = await tagsViewStore.delAllViews()
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+ // console.log(affixTags.value.some(tag => tag.path === view.path))
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+ // if (affixTags.value.some(tag => tag.path === view.path)) {
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+ // return
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+ // }
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+ toLastView(views.visitedViews)
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+ }
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+
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+ function toLastView(visitedViews: RouteLocationNormalizedLoaded[]) {
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+ const latestView = visitedViews.slice(-1)[0]
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+ if (latestView) {
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+ push(latestView)
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+ } else {
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+ // You can set another route
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+ push('/')
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+ }
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+ }
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+
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+ function openMenu(tag: RouteLocationNormalizedLoaded, e: any) {
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+ const menuMinWidth = 105
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+ const offsetLeft: number = (unref(wrapper) as any).getBoundingClientRect().left // container margin left
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+ const offsetWidth: number = (unref(wrapper) as any).offsetWidth // container width
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+ const maxLeft: number = offsetWidth - menuMinWidth// left boundary
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+ const itemLeft: number = e.clientX - offsetLeft + 4
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+
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+ if (itemLeft > maxLeft) {
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+ left.value = maxLeft
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+ } else {
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+ left.value = itemLeft
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+ }
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+ top.value = e.offsetY
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+
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+ visible.value = true
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+ selectedTag.value = tag
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+ }
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+
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+ function closeMenu() {
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+ visible.value = false
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+ }
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+
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+ function move(to: number) {
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+ (unref(scrollPane) as any).moveTo(to)
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+ }
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+
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+ onMounted(() => {
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+ initTags()
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+ addTags()
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+ })
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+
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+ watch(
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+ () => currentRoute.value,
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+ () => {
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+ addTags()
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+ moveToCurrentTag()
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+ }
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+ )
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+
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+ watch(
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+ () => visible.value,
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+ (visible: boolean) => {
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+ if (visible) {
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+ document.body.addEventListener('click', closeMenu)
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+ } else {
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+ document.body.removeEventListener('click', closeMenu)
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+ }
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+ }
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+ )
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+
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+ return {
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+ wrapper, scrollPane,
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+ visible, top, left,
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+ selectedTag, affixTags,
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+ visitedViews, routers,
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+ tagRefs, setTagRef,
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+ isActive,
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+ filterAffixTags,
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+ initTags,
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+ addTags,
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+ moveToCurrentTag,
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+ refreshSelectedTag,
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+ closeSelectedTag,
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+ closeOthersTags,
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+ closeAllTags,
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+ toLastView,
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+ openMenu,
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+ closeMenu,
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+ move
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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="less" scoped>
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+.tags-view-container {
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+ height: @tagsViewHeight;
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+ width: 100%;
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+ background: #fff;
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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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+ position: relative;
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+ display: flex;
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+ z-index: 1;
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+ &::after {
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+ content: "";
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+ width: 100%;
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+ height: 1px;
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+ border-top: #d8dce5;
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+ position: absolute;
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+ left: 0;
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+ bottom: 0;
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+ }
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+ .move-btn {
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+ display: inline-block;
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+ width: @tagsViewHeight;
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+ height: @tagsViewHeight;
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+ line-height: @tagsViewHeight;
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+ text-align: center;
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+ padding: 0;
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+ border-radius: 0;
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+ }
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+ .tags-view-wrapper {
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+ width: calc(~"100% - 78px");
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+ .link-wrapper {
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+ height: @tagsViewHeight;
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+ line-height: @tagsViewHeight;
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+ }
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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: 30px;
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+ line-height: 30px;
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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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+ &:last-of-type {
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+ margin-right: 23px;
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+ }
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+ &.active {
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+ background-color: #304156;
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+ color: #fff;
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+ border-color: #304156;
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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: 5px;
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+ }
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+ }
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+ .icon-close {
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+ width: 16px;
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+ height: 16px;
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+ border-radius: 50%;
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+ text-align: center;
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+ line-height: 16px;
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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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+ margin-left: 5px;
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+ &:before {
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+ transform: scale(.6);
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+ display: inline-block;
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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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+ .contextmenu {
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+ margin: 0;
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+ background: #fff;
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+ z-index: 200;
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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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+@{deep}(.scrollbar__view) {
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+ height: @tagsViewHeight;
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+ line-height: @tagsViewHeight;
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+}
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+</style>
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