<template>
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<div class="tags-view-container">
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<scroll-pane ref="scrollPane" class="tags-view-wrapper">
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<router-link v-for="tag in visitedViews" ref="tag" :class="isActive(tag)?'active':''" :to="{ path: tag.path, query: tag.query, fullPath: tag.fullPath }" :key="tag.path" tag="span" class="tags-view-item" @click.middle.native="closeSelectedTag(tag)" @contextmenu.prevent.native="openMenu(tag,$event)">
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{{ tag.menuName }}
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<span 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)">{{ $t('tagsView.refresh') }}</li>
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<li @click="closeSelectedTag(selectedTag)">{{ $t('tagsView.close') }}</li>
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<li @click="closeOthersTags">{{ $t('tagsView.closeOthers') }}</li>
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<li @click="closeAllTags">{{ $t('tagsView.closeAll') }}</li>
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</ul>
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</div>
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</template>
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<script>
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import ScrollPane from "./ScrollPane";
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import { generateTitle } from "@/utils/i18n";
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import emitter from "@/components/common/emitter.mixin.js";
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export default {
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components: { ScrollPane },
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mixins: [emitter],
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data() {
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return {
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visible: false,
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top: 0,
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left: 0,
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selectedTag: {}
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};
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},
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computed: {
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visitedViews() {
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return this.$store.state.tagsView.visitedViews;
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}
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},
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watch: {
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$route() {
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this.addViewTags();
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this.moveToCurrentTag();
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},
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visible(value) {
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if (value) {
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document.body.addEventListener("click", this.closeMenu);
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} else {
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document.body.removeEventListener("click", this.closeMenu);
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}
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}
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},
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mounted() {
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this.addViewTags();
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},
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methods: {
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generateTitle, // generateTitle by vue-i18n
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isActive(route) {
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return route.path === this.$route.path;
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},
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addViewTags() {
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const { name } = this.$route;
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if (name) {
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this.$store.dispatch("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.$store.dispatch("updateVisitedView", this.$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.$store.dispatch("delCachedView", view).then(() => {
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const { fullPath } = view;
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this.$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("delView", view).then(({ visitedViews }) => {
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if (this.isActive(view)) {
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// 清除缓存
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var comp = this.findComponent(this.$route.name);
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// 二级目录
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if (this.$route.meta.level !== 1 && this.$route.meta.level !== 2) {
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comp = comp.$parent;
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}
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if (comp.$vnode && comp.$vnode.data.keepAlive) {
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if (
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comp.$vnode.parent &&
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comp.$vnode.parent.componentInstance &&
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comp.$vnode.parent.componentInstance.cache
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) {
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if (comp.$vnode.componentOptions) {
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var key =
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comp.$vnode.key == null
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? comp.$vnode.componentOptions.Ctor.cid +
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(comp.$vnode.componentOptions.tag
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? `::${comp.$vnode.componentOptions.tag}`
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: "")
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: comp.$vnode.key;
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var cache = comp.$vnode.parent.componentInstance.cache;
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var keys = comp.$vnode.parent.componentInstance.keys;
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if (cache[key]) {
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if (keys.length) {
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var index = keys.indexOf(key);
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if (index > -1) {
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keys.splice(index, 1);
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}
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}
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delete cache[key];
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}
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}
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}
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}
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comp.$destroy();
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const latestView = visitedViews.slice(-1)[0];
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if (latestView) {
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this.$router.push(latestView);
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} else {
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this.$router.push("/");
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}
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}
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});
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},
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closeOthersTags() {
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this.$router.push(this.selectedTag);
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this.$store.dispatch("delOthersViews", this.selectedTag).then(() => {
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this.moveToCurrentTag();
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});
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},
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closeAllTags() {
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this.$store.dispatch("delAllViews");
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this.$router.push("/");
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},
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openMenu(tag, e) {
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const menuMinWidth = 105;
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const offsetLeft = this.$el.getBoundingClientRect().left;
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const offsetWidth = this.$el.offsetWidth;
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const maxLeft = offsetWidth - menuMinWidth;
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const left = e.clientX - offsetLeft + 15;
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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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}
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};
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</script>
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<style rel="stylesheet/scss" 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, 0.12), 0 0 3px 0 rgba(0, 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: #66b1ff;
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color: #fff;
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border-color: #66b1ff;
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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: 100;
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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, 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 rel="stylesheet/scss" 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 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
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transform-origin: 100% 50%;
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&:before {
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transform: scale(0.6);
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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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