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