131 lines
3.4 KiB
JavaScript
131 lines
3.4 KiB
JavaScript
import Vue from 'vue'
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import './tab_switcher.scss'
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export default Vue.component('tab-switcher', {
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name: 'TabSwitcher',
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props: {
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renderOnlyFocused: {
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required: false,
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type: Boolean,
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default: false
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},
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onSwitch: {
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required: false,
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type: Function,
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default: undefined
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},
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activeTab: {
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required: false,
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type: String,
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default: undefined
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},
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scrollableTabs: {
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required: false,
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type: Boolean,
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default: false
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},
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sideTabBar: {
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required: false,
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type: Boolean,
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default: false
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}
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},
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data () {
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return {
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active: this.$slots.default.findIndex(_ => _.tag)
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}
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},
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computed: {
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activeIndex () {
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// In case of controlled component
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if (this.activeTab) {
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return this.$slots.default.findIndex(slot => this.activeTab === slot.key)
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} else {
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return this.active
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}
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}
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},
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beforeUpdate () {
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const currentSlot = this.$slots.default[this.active]
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if (!currentSlot.tag) {
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this.active = this.$slots.default.findIndex(_ => _.tag)
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}
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},
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methods: {
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activateTab (index) {
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return (e) => {
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e.preventDefault()
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if (typeof this.onSwitch === 'function') {
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this.onSwitch.call(null, this.$slots.default[index].key)
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}
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this.active = index
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if (this.scrollableTabs) {
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this.$refs.contents.scrollTop = 0
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}
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}
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}
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},
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render (h) {
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const tabs = this.$slots.default
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.map((slot, index) => {
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if (!slot.tag) return
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const classesTab = ['tab']
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const classesWrapper = ['tab-wrapper']
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if (this.activeIndex === index) {
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classesTab.push('active')
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classesWrapper.push('active')
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}
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if (slot.data.attrs.image) {
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return (
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<div class={classesWrapper.join(' ')}>
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<button
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disabled={slot.data.attrs.disabled}
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onClick={this.activateTab(index)}
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class={classesTab.join(' ')}>
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<img src={slot.data.attrs.image} title={slot.data.attrs['image-tooltip']}/>
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{slot.data.attrs.label ? '' : slot.data.attrs.label}
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</button>
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</div>
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)
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}
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return (
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<div class={classesWrapper.join(' ')}>
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<button
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disabled={slot.data.attrs.disabled}
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onClick={this.activateTab(index)}
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class={classesTab.join(' ')}>
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{slot.data.attrs.label}</button>
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</div>
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)
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})
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const contents = this.$slots.default.map((slot, index) => {
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if (!slot.tag) return
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const active = this.activeIndex === index
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const classes = [ active ? 'active' : 'hidden' ]
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if (slot.data.attrs.fullHeight) {
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classes.push('full-height')
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}
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if (this.renderOnlyFocused) {
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return active
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? <div class={classes.join(' ')}>{slot}</div>
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: <div class={classes.join(' ')}></div>
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}
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return <div class={classes.join(' ')}>{slot}</div>
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})
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return (
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<div class={'tab-switcher ' + (this.sideTabBar ? 'side-tabs' : 'top-tabs')}>
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<div class="tabs">
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{tabs}
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</div>
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<div ref="contents" class={'contents' + (this.scrollableTabs ? ' scrollable-tabs' : '')}>
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{contents}
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</div>
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</div>
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)
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}
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})
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