<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)
}
},
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>
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