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import { mapState } from 'vuex'
import menuMixin from '../mixin/menu'
import { createMenu } from '../libs/util.menu'
import BScroll from 'better-scroll'
export default {
name: 'd2-layout-header-aside-menu-side',
mixins: [
menuMixin
],
render (h) {
return <div class="d2-layout-header-aside-menu-side">
<el-menu
collapse={ this.asideCollapse }
collapseTransition={ this.asideTransition }
uniqueOpened={ true }
defaultActive={ this.$route.fullPath }
ref="menu"
onSelect={ this.handleMenuSelect }>
{ this.aside.map(menu => createMenu.call(this, h, menu)) }
</el-menu>
{
this.aside.length === 0 && !this.asideCollapse
? <div class="d2-layout-header-aside-menu-empty" flex="dir:top main:center cross:center">
<d2-icon name="inbox"></d2-icon>
<span>没有侧栏菜单</span>
</div>
: null
}
</div>
},
data () {
return {
asideHeight: 300,
BS: null
}
},
computed: {
...mapState('d2admin/menu', [
'aside',
'asideCollapse',
'asideTransition'
])
},
watch: {
// 折叠和展开菜单的时候销毁 better scroll
asideCollapse (val) {
this.scrollDestroy()
setTimeout(() => {
this.scrollInit()
}, 500)
}
},
mounted () {
this.scrollInit()
},
beforeDestroy () {
this.scrollDestroy()
},
methods: {
scrollInit () {
this.BS = new BScroll(this.$el, {
mouseWheel: true,
click: true
// 如果你愿意可以打开显示滚动条
// scrollbar: {
// fade: true,
// interactive: false
// }
})
},
scrollDestroy () {
// https://github.com/d2-projects/d2-admin/issues/75
try {
this.BS.destroy()
} catch (e) {
delete this.BS
this.BS = null
}
}
}
}