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import { mapState } from 'vuex'
import { FontAwesomeIcon as FAIcon } from '@fortawesome/vue-fontawesome'
import './tab_switcher.scss'
// TODO VUE3: change data to props
const findFirstUsable = (slots) => slots.findIndex(_ => _.data && _.data.attrs)
export default {
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
},
sideTabBar: {
required: false,
type: Boolean,
default: false
}
},
data () {
return {
// TODO VUE3: add () after 'default'
active: findFirstUsable(this.$slots.default)
}
},
computed: {
activeIndex () {
// In case of controlled component
if (this.activeTab) {
return this.$slots.default.findIndex(slot => this.activeTab === slot.key)
} else {
return this.active
}
},
settingsModalVisible () {
return this.settingsModalState === 'visible'
},
...mapState({
settingsModalState: state => state.interface.settingsModalState
})
},
beforeUpdate () {
const currentSlot = this.slots()[this.active]
// TODO VUE3: change data to props
if (!currentSlot.data) {
this.active = findFirstUsable(this.slots())
}
},
methods: {
clickTab (index) {
return (e) => {
e.preventDefault()
this.setTab(index)
}
},
// DO NOT put it to computed, it doesn't work (caching?)
slots () {
// TODO VUE3: add () at the end
return this.$slots.default
},
setTab (index) {
if (typeof this.onSwitch === 'function') {
this.onSwitch.call(null, this.slots()[index].key)
}
this.active = index
if (this.scrollableTabs) {
this.$refs.contents.scrollTop = 0
}
}
},
// TODO VUE3: remove 'h' here
render (h) {
const tabs = this.slots()
.map((slot, index) => {
// TODO VUE3 change to slot.props
const props = slot.data && slot.data.attrs
if (!props) return
const classesTab = ['tab', 'button-default']
const classesWrapper = ['tab-wrapper']
if (this.activeIndex === index) {
classesTab.push('active')
classesWrapper.push('active')
}
if (props.image) {
return (
<div class={classesWrapper.join(' ')}>
<button
disabled={props.disabled}
onClick={this.clickTab(index)}
class={classesTab.join(' ')}
type="button"
>
<img src={props.image} title={props['image-tooltip']}/>
{props.label ? '' : props.label}
</button>
</div>
)
}
return (
<div class={classesWrapper.join(' ')}>
<button
disabled={props.disabled}
onClick={this.clickTab(index)}
class={classesTab.join(' ')}
type="button"
>
{!props.icon ? '' : (<FAIcon class="tab-icon" size="2x" fixed-width icon={props.icon}/>)}
<span class="text">
{props.label}
</span>
</button>
</div>
)
})
const contents = this.slots().map((slot, index) => {
// TODO VUE3 change to slot.props
const props = slot.data && slot.data.attrs
if (!props) return
const active = this.activeIndex === index
const classes = [ active ? 'active' : 'hidden' ]
if (props.fullHeight) {
classes.push('full-height')
}
const renderSlot = (!this.renderOnlyFocused || active)
? slot
: ''
return (
<div class={classes}>
{
this.sideTabBar
? <h1 class="mobile-label">{props.label}</h1>
: ''
}
{renderSlot}
</div>
)
})
return (
<div class={'tab-switcher ' + (this.sideTabBar ? 'side-tabs' : 'top-tabs')}>
<div class="tabs">
{tabs}
</div>
<div ref="contents" class={'contents' + (this.scrollableTabs ? ' scrollable-tabs' : '')} v-body-scroll-lock={this.settingsModalVisible}>
{contents}
</div>
</div>
)
}
}
|
