149 lines
3.7 KiB
TypeScript
149 lines
3.7 KiB
TypeScript
import '../../stylus/components/_date-picker-header.styl'
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// Components
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import VBtn from '../VBtn'
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import VIcon from '../VIcon'
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// Mixins
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import Colorable from '../../mixins/colorable'
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import Themeable from '../../mixins/themeable'
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// Utils
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import { createNativeLocaleFormatter, monthChange } from './util'
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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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import { DatePickerFormatter } from './util/createNativeLocaleFormatter'
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import { PropValidator } from 'vue/types/options'
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export default mixins(
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Colorable,
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Themeable
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/* @vue/component */
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).extend({
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name: 'v-date-picker-header',
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props: {
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disabled: Boolean,
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format: Function as PropValidator<DatePickerFormatter | undefined>,
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locale: {
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type: String,
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default: 'en-us'
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},
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min: String,
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max: String,
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nextIcon: {
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type: String,
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default: '$vuetify.icons.next'
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},
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prevIcon: {
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type: String,
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default: '$vuetify.icons.prev'
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},
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readonly: Boolean,
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value: {
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type: [Number, String],
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required: true
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}
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},
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data () {
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return {
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isReversing: false
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}
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},
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computed: {
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formatter (): DatePickerFormatter {
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if (this.format) {
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return this.format
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} else if (String(this.value).split('-')[1]) {
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return createNativeLocaleFormatter(this.locale, { month: 'long', year: 'numeric', timeZone: 'UTC' }, { length: 7 })
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} else {
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return createNativeLocaleFormatter(this.locale, { year: 'numeric', timeZone: 'UTC' }, { length: 4 })
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}
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}
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},
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watch: {
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value (newVal, oldVal) {
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this.isReversing = newVal < oldVal
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}
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},
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methods: {
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genBtn (change: number) {
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const disabled = this.disabled ||
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(change < 0 && this.min && this.calculateChange(change) < this.min) ||
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(change > 0 && this.max && this.calculateChange(change) > this.max)
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return this.$createElement(VBtn, {
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props: {
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dark: this.dark,
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disabled,
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icon: true,
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light: this.light
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},
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nativeOn: {
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click: (e: Event) => {
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e.stopPropagation()
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this.$emit('input', this.calculateChange(change))
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}
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}
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}, [
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this.$createElement(VIcon, ((change < 0) === !this.$vuetify.rtl) ? this.prevIcon : this.nextIcon)
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])
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},
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calculateChange (sign: number) {
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const [year, month] = String(this.value).split('-').map(Number)
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if (month == null) {
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return `${year + sign}`
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} else {
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return monthChange(String(this.value), sign)
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}
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},
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genHeader () {
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const color = !this.disabled && (this.color || 'accent')
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const header = this.$createElement('div', this.setTextColor(color, {
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key: String(this.value)
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}), [this.$createElement('button', {
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attrs: {
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type: 'button'
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},
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on: {
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click: () => this.$emit('toggle')
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}
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}, [this.$slots.default || this.formatter(String(this.value))])])
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const transition = this.$createElement('transition', {
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props: {
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name: (this.isReversing === !this.$vuetify.rtl) ? 'tab-reverse-transition' : 'tab-transition'
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}
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}, [header])
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return this.$createElement('div', {
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staticClass: 'v-date-picker-header__value',
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class: {
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'v-date-picker-header__value--disabled': this.disabled
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}
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}, [transition])
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}
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},
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render (): VNode {
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return this.$createElement('div', {
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staticClass: 'v-date-picker-header',
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class: {
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'v-date-picker-header--disabled': this.disabled,
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...this.themeClasses
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}
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}, [
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this.genBtn(-1),
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this.genHeader(),
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this.genBtn(+1)
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])
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}
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})
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