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<template>
<div
class="dropdown-wrapper"
:class="{ open }"
>
<a
class="dropdown-title"
@click="toggle"
>
<span class="title">{{ item.text }}</span>
<span
class="arrow"
:class="open ? 'down' : 'right'"
></span>
</a>
<DropdownTransition>
<ul
class="nav-dropdown"
v-show="open"
>
<li
class="dropdown-item"
:key="subItem.link || index"
v-for="(subItem, index) in item.items"
>
<h4 v-if="subItem.type === 'links'">{{ subItem.text }}</h4>
<ul
class="dropdown-subitem-wrapper"
v-if="subItem.type === 'links'"
>
<li
class="dropdown-subitem"
:key="childSubItem.link"
v-for="childSubItem in subItem.items"
>
<NavLink :item="childSubItem"/>
</li>
</ul>
<NavLink
v-else
:item="subItem"
/>
</li>
</ul>
</DropdownTransition>
</div>
</template>
<script>
import NavLink from './NavLink.vue'
import DropdownTransition from './DropdownTransition.vue'
export default {
components: { NavLink, DropdownTransition },
data () {
return {
open: false
}
},
props: {
item: {
required: true
}
},
methods: {
toggle () {
this.open = !this.open
}
}
}
</script>
<style lang="stylus">
@import './styles/config.styl'
.dropdown-wrapper
cursor pointer
.dropdown-title
display block
&:hover
border-color transparent
.arrow
vertical-align middle
margin-top -1px
margin-left 0.4rem
.nav-dropdown
.dropdown-item
color inherit
line-height 1.7rem
h4
margin 0.45rem 0 0
border-top 1px solid #eee
padding 0.45rem 1.5rem 0 1.25rem
.dropdown-subitem-wrapper
padding 0
list-style none
.dropdown-subitem
font-size 0.9em
a
display block
line-height 1.7rem
position relative
border-bottom none
font-weight 400
margin-bottom 0
padding 0 1.5rem 0 1.25rem
&:hover
color $accentColor
&.router-link-active
color $accentColor
&::after
content ""
width 0
height 0
border-left 5px solid $accentColor
border-top 3px solid transparent
border-bottom 3px solid transparent
position absolute
top calc(50% - 2px)
left 9px
&:first-child h4
margin-top 0
padding-top 0
border-top 0
@media (max-width: $MQMobile)
.dropdown-wrapper
&.open .dropdown-title
margin-bottom 0.5rem
.nav-dropdown
transition height .1s ease-out
overflow hidden
.dropdown-item
h4
border-top 0
margin-top 0
padding-top 0
h4, & > a
font-size 15px
line-height 2rem
.dropdown-subitem
font-size 14px
padding-left 1rem
@media (min-width: $MQMobile)
.dropdown-wrapper
height 1.8rem
&:hover .nav-dropdown
// override the inline style.
display block !important
.dropdown-title .arrow
// make the arrow always down at desktop
border-left 4px solid transparent
border-right 4px solid transparent
border-top 6px solid $arrowBgColor
border-bottom 0
.nav-dropdown
display none
// Avoid height shaked by clicking
height auto !important
box-sizing border-box;
max-height calc(100vh - 2.7rem)
overflow-y auto
position absolute
top 100%
right 0
background-color #fff
padding 0.6rem 0
border 1px solid #ddd
border-bottom-color #ccc
text-align left
border-radius 0.25rem
white-space nowrap
margin 0
</style>
|
