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// Components
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import VExpansionPanels from './VExpansionPanels'
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import VExpansionPanelHeader from './VExpansionPanelHeader'
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import VExpansionPanelContent from './VExpansionPanelContent'
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// Mixins
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import { factory as GroupableFactory } from '../../mixins/groupable'
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import { provide as RegistrableProvide } from '../../mixins/registrable'
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// Utilities
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import { getSlot } from '../../util/helpers'
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import mixins from '../../util/mixins'
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// Types
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import { VNode } from 'vue'
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type VExpansionPanelHeaderInstance = InstanceType<typeof VExpansionPanelHeader>
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type VExpansionPanelContentInstance = InstanceType<typeof VExpansionPanelContent>
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export default mixins(
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GroupableFactory<'expansionPanels', typeof VExpansionPanels>('expansionPanels', 'v-expansion-panel', 'v-expansion-panels'),
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RegistrableProvide('expansionPanel', true)
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/* @vue/component */
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).extend({
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name: 'v-expansion-panel',
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props: {
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disabled: Boolean,
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readonly: Boolean,
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},
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data () {
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return {
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content: null as VExpansionPanelContentInstance | null,
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header: null as VExpansionPanelHeaderInstance | null,
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nextIsActive: false,
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}
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},
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computed: {
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classes (): object {
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return {
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'v-expansion-panel--active': this.isActive,
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'v-expansion-panel--next-active': this.nextIsActive,
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'v-expansion-panel--disabled': this.isDisabled,
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...this.groupClasses,
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}
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},
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isDisabled (): boolean {
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return this.expansionPanels.disabled || this.disabled
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},
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isReadonly (): boolean {
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return this.expansionPanels.readonly || this.readonly
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},
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},
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methods: {
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registerContent (vm: VExpansionPanelContentInstance) {
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this.content = vm
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},
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unregisterContent () {
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this.content = null
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},
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registerHeader (vm: VExpansionPanelHeaderInstance) {
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this.header = vm
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vm.$on('click', this.onClick)
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},
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unregisterHeader () {
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this.header = null
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},
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onClick (e: MouseEvent) {
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if (e.detail) this.header!.$el.blur()
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this.$emit('click', e)
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this.isReadonly || this.isDisabled || this.toggle()
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},
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toggle () {
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/* istanbul ignore else */
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if (this.content) this.content.isBooted = true
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this.$nextTick(() => this.$emit('change'))
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},
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},
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render (h): VNode {
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return h('div', {
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staticClass: 'v-expansion-panel',
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class: this.classes,
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attrs: {
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'aria-expanded': String(this.isActive),
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},
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}, getSlot(this))
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},
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})
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mcdmaster