pleroma-fe/src/components/tab_switcher/tab_switcher.js
2019-11-08 11:14:01 -05:00

118 lines
3 KiB
JavaScript

import Vue from 'vue'
import './tab_switcher.scss'
export default Vue.component('tab-switcher', {
name: 'TabSwitcher',
props: {
renderOnlyFocused: {
required: false,
type: Boolean,
default: false
},
onSwitch: {
required: false,
type: Function,
default: undefined
},
activeTab: {
required: false,
type: String,
default: undefined
},
scrollableTabs: {
required: false,
type: Boolean,
default: false
}
},
data () {
return {
active: this.$slots.default.findIndex(_ => _.tag)
}
},
computed: {
activeIndex () {
// In case of controlled component
if (this.activeTab) {
return this.$slots.default.findIndex(slot => this.activeTab === slot.key)
} else {
return this.active
}
}
},
beforeUpdate () {
const currentSlot = this.$slots.default[this.active]
if (!currentSlot.tag) {
this.active = this.$slots.default.findIndex(_ => _.tag)
}
},
methods: {
activateTab (index) {
return (e) => {
e.preventDefault()
if (typeof this.onSwitch === 'function') {
this.onSwitch.call(null, this.$slots.default[index].key)
}
this.active = index
}
}
},
render (h) {
const tabs = this.$slots.default
.map((slot, index) => {
if (!slot.tag) return
const classesTab = ['tab']
const classesWrapper = ['tab-wrapper']
if (this.activeIndex === index) {
classesTab.push('active')
classesWrapper.push('active')
}
if (slot.data.attrs.image) {
return (
<div class={classesWrapper.join(' ')}>
<button
disabled={slot.data.attrs.disabled}
onClick={this.activateTab(index)}
class={classesTab.join(' ')}>
<img src={slot.data.attrs.image} title={slot.data.attrs['image-tooltip']}/>
{slot.data.attrs.label ? '' : slot.data.attrs.label}
</button>
</div>
)
}
return (
<div class={classesWrapper.join(' ')}>
<button
disabled={slot.data.attrs.disabled}
onClick={this.activateTab(index)}
class={classesTab.join(' ')}>
{slot.data.attrs.label}</button>
</div>
)
})
const contents = this.$slots.default.map((slot, index) => {
if (!slot.tag) return
const active = this.activeIndex === index
if (this.renderOnlyFocused) {
return active
? <div class="active">{slot}</div>
: <div class="hidden"></div>
}
return <div class={active ? 'active' : 'hidden' }>{slot}</div>
})
return (
<div class="tab-switcher">
<div class="tabs">
{tabs}
</div>
<div class={'contents' + (this.scrollableTabs ? ' scrollable-tabs' : '')}>
{contents}
</div>
</div>
)
}
})