302 lines
		
	
	
		
			7.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
			
		
		
	
	
			302 lines
		
	
	
		
			7.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
| <template>
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|   <div id="tags-view-container" class="tags-view-container">
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|     <scroll-pane ref="scrollPane" class="tags-view-wrapper">
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|       <router-link
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|         v-for="tag in visitedViews"
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|         ref="tag"
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|         :key="tag.path"
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|         :class="isActive(tag)?'active':''"
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|         :to="{ path: tag.path, query: tag.query, fullPath: tag.fullPath }"
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|         tag="span"
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|         class="tags-view-item"
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|         @click.middle.native="!isAffix(tag)?closeSelectedTag(tag):''"
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|         @contextmenu.prevent.native="openMenu(tag,$event)"
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|       >
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|         {{ tag.title }}
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|         <span
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|           v-if="!isAffix(tag)"
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|           class="el-icon-close"
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|           @click.prevent.stop="closeSelectedTag(tag)"
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|         />
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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)">Refresh</li>
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|       <li v-if="!isAffix(selectedTag)" @click="closeSelectedTag(selectedTag)">Close</li>
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|       <li @click="closeOthersTags">Close Others</li>
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|       <li @click="closeAllTags(selectedTag)">Close All</li>
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|     </ul>
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|   </div>
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| </template>
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| 
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| <script>
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| import ScrollPane from './ScrollPane'
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| import path from 'path'
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| 
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| export default {
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|   components: { ScrollPane },
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|   data() {
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|     return {
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|       visible: false,
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|       top: 0,
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|       left: 0,
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|       selectedTag: {},
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|       affixTags: []
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|     }
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|   },
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|   computed: {
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|     visitedViews() {
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|       return this.$store.state.tagsView.visitedViews
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|     }
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|     // routes() {
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|     //   return this.$store.state.permission.routes
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|     // }
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|   },
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|   watch: {
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|     $route() {
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|       this.addTags()
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|       this.moveToCurrentTag()
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|     },
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|     visible(value) {
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|       if (value) {
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|         document.body.addEventListener('click', this.closeMenu)
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|       } else {
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|         document.body.removeEventListener('click', this.closeMenu)
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|       }
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|     }
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|   },
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|   mounted() {
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|     this.initTags()
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|     this.addTags()
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|   },
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|   methods: {
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|     isActive(route) {
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|       return route.path === this.$route.path
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|     },
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|     isAffix(tag) {
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|       return tag.meta && tag.meta.affix
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|     },
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|     filterAffixTags(routes, basePath = '/') {
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|       let tags = []
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|       // 判断是否为空,否则控制台会报错
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|       if (this.routes) {
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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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|       }
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| 
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|       return tags
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|     },
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|     initTags() {
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|       const affixTags = (this.affixTags = this.filterAffixTags(this.routes))
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|       for (const tag of affixTags) {
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|         // Must have tag name
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|         if (tag.name) {
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|           this.$store.dispatch('tagsView/addVisitedView', tag)
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|         }
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|       }
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|     },
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|     addTags() {
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|       const { name } = this.$route
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|       if (name) {
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|         this.$store.dispatch('tagsView/addView', this.$route)
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|       }
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|       return false
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|     },
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|     moveToCurrentTag() {
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|       const tags = this.$refs.tag
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|       this.$nextTick(() => {
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|         for (const tag of tags) {
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|           if (tag.to.path === this.$route.path) {
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|             this.$refs.scrollPane.moveToTarget(tag)
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|             // when query is different then update
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|             if (tag.to.fullPath !== this.$route.fullPath) {
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|               this.$store.dispatch('tagsView/updateVisitedView', this.$route)
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|             }
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|             break
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|           }
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|         }
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|       })
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|     },
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|     refreshSelectedTag(view) {
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|       this.$store.dispatch('tagsView/delCachedView', view).then(() => {
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|         const { fullPath } = view
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|         this.$nextTick(() => {
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|           this.$router.replace({
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|             path: '/redirect' + fullPath
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|           })
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|         })
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|       })
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|     },
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|     closeSelectedTag(view) {
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|       this.$store
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|         .dispatch('tagsView/delView', view)
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|         .then(({ visitedViews }) => {
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|           if (this.isActive(view)) {
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|             this.toLastView(visitedViews, view)
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|           }
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|         })
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|     },
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|     closeOthersTags() {
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|       this.$router.push(this.selectedTag)
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|       this.$store
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|         .dispatch('tagsView/delOthersViews', this.selectedTag)
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|         .then(() => {
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|           this.moveToCurrentTag()
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|         })
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|     },
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|     closeAllTags(view) {
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|       this.$store.dispatch('tagsView/delAllViews').then(({ visitedViews }) => {
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|         if (this.affixTags.some(tag => tag.path === view.path)) {
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|           return
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|         }
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|         this.toLastView(visitedViews, view)
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|       })
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|     },
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|     toLastView(visitedViews, view) {
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|       const latestView = visitedViews.slice(-1)[0]
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|       if (latestView) {
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|         this.$router.push(latestView.fullPath)
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|       } else {
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|         // now the default is to redirect to the home page if there is no tags-view,
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|         // you can adjust it according to your needs.
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|         if (view.name === 'Dashboard') {
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|           // to reload home page
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|           this.$router.replace({ path: '/redirect' + view.fullPath })
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|         } else {
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|           this.$router.push('/')
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|         }
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|       }
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|     },
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|     openMenu(tag, e) {
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|       const menuMinWidth = 105
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|       const offsetLeft = this.$el.getBoundingClientRect().left // container margin left
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|       const offsetWidth = this.$el.offsetWidth // container width
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|       const maxLeft = offsetWidth - menuMinWidth // left boundary
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|       const left = e.clientX - offsetLeft + 15 // 15: margin right
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| 
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|       if (left > maxLeft) {
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|         this.left = maxLeft
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|       } else {
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|         this.left = left
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|       }
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| 
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|       this.top = e.clientY
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|       this.visible = true
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|       this.selectedTag = tag
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|     },
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|     closeMenu() {
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|       this.visible = false
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|     }
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|   }
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| }
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| </script>
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| 
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| <style lang="scss" scoped>
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| .tags-view-container {
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|   height: 34px;
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|   width: 100%;
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|   background: #fff;
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|   border-bottom: 1px solid #d8dce5;
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|   box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 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: #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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|   .contextmenu {
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|     margin: 0;
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|     background: #fff;
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|     z-index: 3000;
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|     position: absolute;
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|     list-style-type: none;
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|     padding: 5px 0;
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|     border-radius: 4px;
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|     font-size: 12px;
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|     font-weight: 400;
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|     color: #333;
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|     box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, 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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| 
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| <style lang="scss">
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| //reset element css of el-icon-close
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| .tags-view-wrapper {
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|   .tags-view-item {
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|     .el-icon-close {
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|       width: 16px;
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|       height: 16px;
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|       vertical-align: 2px;
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|       border-radius: 50%;
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|       text-align: center;
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|       transition: all 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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