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<template>
<div class="dropdown-wrapper" :class="{ open }">
<button
class="dropdown-title"
type="button"
:aria-label="dropdownAriaLabel"
@click="handleDropdown"
>
<slot name="title">
<span class="title">
<i v-if="item.icon" :class="`iconfont ${iconPrefix}${item.icon}`" />
{{ item.text }}
</span>
</slot>
<span class="arrow" />
</button>
<ul class="nav-dropdown">
<li
v-for="(child, index) in item.items"
:key="child.link || index"
class="dropdown-item"
>
<template v-if="child.type === 'links'">
<h4 class="dropdown-subtitle">
<NavLink
v-if="child.link"
:item="child"
@focusout="
isLastItemOfArray(child, item.children) &&
child.children.length === 0 &&
setOpen(false)
"
/>
<span v-else>{{ child.text }}</span>
</h4>
<ul class="dropdown-subitem-wrapper">
<li
v-for="grandchild in child.items"
:key="grandchild.link"
class="dropdown-subitem"
>
<NavLink
:item="grandchild"
@focusout="
isLastItemOfArray(grandchild, child.items) &&
isLastItemOfArray(child, item.items) &&
setOpen(false)
"
/>
</li>
</ul>
</template>
<NavLink
v-else
:item="child"
@focusout="isLastItemOfArray(child, item.items) && setOpen(false)"
/>
</li>
</ul>
</div>
</template>
<script src="./DropdownLink" />
<style lang="stylus">
@require '~@mr-hope/vuepress-shared/styles/arrow'
@require '~@mr-hope/vuepress-shared/styles/reset'
.dropdown-wrapper
height 1.8rem
cursor pointer
&:not(:hover)
.arrow
transform rotate(-180deg)
&:hover, &.open
.nav-dropdown
z-index 2
transform scale(1)
visibility visible
opacity 1
.dropdown-title
button()
cursor inherit
padding inherit
color var(--dark-grey)
font-family inherit
font-size 0.9rem
font-weight 500
line-height 1.4rem
&::after
border-left 5px solid var(--accent-color)
&:hover
border-color transparent
.arrow
arrow()
font-size 1.2em
.nav-dropdown
box-sizing border-box
position absolute
top 100%
right 0
max-height 100vh - $navbarHeight
margin 0
padding 0.6rem 0
border 1px solid var(--grey14)
border-radius 0.25rem
background var(--bgcolor)
box-shadow 2px 2px 10px var(--card-shadow-color)
text-align left
white-space nowrap
overflow-y auto
transform scale(0.8)
opacity 0
visibility hidden
transition all 0.18s ease-out
.dropdown-item
color inherit
line-height 1.7rem
h4
margin 0
padding 0.75rem 1rem 0.25rem 0.75rem
border-top 1px solid var(--grey14)
color var(--dark-grey)
font-size 0.9rem
.nav-link
padding 0
&:before
display none
&:first-child h4
padding-top 0
border-top 0
.nav-link
display block
position relative
margin-bottom 0
padding 0 1.5rem 0 1.25rem
border-bottom none
color var(--dark-grey)
font-weight 400
line-height 1.7rem
&:hover
color var(--accent-color)
&.active
color var(--accent-color)
&::before
content ''
position absolute
top calc(50% - 3px)
left 9px
width 0
height 0
border-top 3px solid transparent
border-left 5px solid var(--accent-color)
border-bottom 3px solid transparent
.dropdown-subitem-wrapper
padding 0
list-style none
.dropdown-subitem
font-size 0.9em
</style>