349 lines
9.3 KiB
Vue
349 lines
9.3 KiB
Vue
import { setTransform, isTransformSupported } from './utils'
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import addDOMEventListener from 'add-dom-event-listener'
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import debounce from 'lodash/debounce'
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import PropTypes from '../../_util/vue-types'
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import BaseMixin from '../../_util/BaseMixin'
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function noop () {
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}
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export default {
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name: 'ScrollableTabBarNode',
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mixins: [BaseMixin],
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props: {
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saveRef: PropTypes.func.def(() => {}),
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getRef: PropTypes.func.def(() => {}),
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tabBarPosition: PropTypes.oneOf(['left', 'right', 'top', 'bottom']).def('left'),
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prefixCls: PropTypes.string.def(''),
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scrollAnimated: PropTypes.bool.def(true),
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navWrapper: PropTypes.func.def(arg => arg),
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},
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data () {
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this.offset = 0
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this.prevProps = this.$props
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return {
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next: false,
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prev: false,
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}
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},
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mounted () {
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this.$nextTick(() => {
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this.updatedCal()
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this.debouncedResize = debounce(() => {
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this.setNextPrev()
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this.scrollToActiveTab()
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}, 200)
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this.resizeEvent = addDOMEventListener(window, 'resize', this.debouncedResize)
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})
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},
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updated () {
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this.$nextTick(() => {
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this.updatedCal(this.prevProps)
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this.prevProps = this.$props
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})
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},
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beforeDestroy () {
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if (this.resizeEvent) {
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this.resizeEvent.remove()
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}
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if (this.debouncedResize && this.debouncedResize.cancel) {
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this.debouncedResize.cancel()
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}
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},
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watch: {
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tabBarPosition (val) {
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this.tabBarPositionChange = true
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this.$nextTick(() => {
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this.setOffset(0)
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})
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},
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},
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methods: {
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updatedCal (prevProps) {
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const props = this.$props
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if (prevProps && prevProps.tabBarPosition !== props.tabBarPosition) {
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this.setOffset(0)
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return
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}
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const nextPrev = this.setNextPrev()
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// wait next, prev show hide
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/* eslint react/no-did-update-set-state:0 */
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if (this.isNextPrevShown(this.$data) !== this.isNextPrevShown(nextPrev)) {
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this.$foreceUpdate()
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this.$nextTick(() => {
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this.scrollToActiveTab()
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})
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} else if (!prevProps || props.activeKey !== prevProps.activeKey) {
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// can not use props.activeKey
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this.scrollToActiveTab()
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}
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},
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setNextPrev () {
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const navNode = this.$props.getRef('nav')
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const navNodeWH = this.getScrollWH(navNode)
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const containerWH = this.getOffsetWH(this.$props.getRef('container'))
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const navWrapNodeWH = this.getOffsetWH(this.$props.getRef('navWrap'))
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let { offset } = this
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const minOffset = containerWH - navNodeWH
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let { next, prev } = this
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if (minOffset >= 0) {
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next = false
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this.setOffset(0, false)
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offset = 0
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} else if (minOffset < offset) {
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next = true
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} else {
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next = false
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// Fix https://github.com/ant-design/ant-design/issues/8861
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// Test with container offset which is stable
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// and set the offset of the nav wrap node
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const realOffset = navWrapNodeWH - navNodeWH
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this.setOffset(realOffset, false)
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offset = realOffset
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}
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if (offset < 0) {
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prev = true
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} else {
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prev = false
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}
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this.setNext(next)
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this.setPrev(prev)
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return {
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next,
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prev,
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}
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},
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getOffsetWH (node) {
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const tabBarPosition = this.$props.tabBarPosition
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let prop = 'offsetWidth'
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if (tabBarPosition === 'left' || tabBarPosition === 'right') {
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prop = 'offsetHeight'
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}
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return node[prop]
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},
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getScrollWH (node) {
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const tabBarPosition = this.tabBarPosition
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let prop = 'scrollWidth'
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if (tabBarPosition === 'left' || tabBarPosition === 'right') {
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prop = 'scrollHeight'
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}
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return node[prop]
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},
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getOffsetLT (node) {
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const tabBarPosition = this.$props.tabBarPosition
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let prop = 'left'
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if (tabBarPosition === 'left' || tabBarPosition === 'right') {
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prop = 'top'
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}
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return node.getBoundingClientRect()[prop]
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},
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setOffset (offset, checkNextPrev = true) {
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const target = Math.min(0, offset)
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if (this.offset !== target) {
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this.offset = target
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let navOffset = {}
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const tabBarPosition = this.$props.tabBarPosition
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const navStyle = this.$props.getRef('nav').style
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const transformSupported = isTransformSupported(navStyle)
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if (tabBarPosition === 'left' || tabBarPosition === 'right') {
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if (transformSupported) {
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navOffset = {
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value: `translate3d(0,${target}px,0)`,
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}
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} else {
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navOffset = {
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name: 'top',
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value: `${target}px`,
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}
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}
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} else {
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if (transformSupported) {
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navOffset = {
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value: `translate3d(${target}px,0,0)`,
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}
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} else {
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navOffset = {
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name: 'left',
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value: `${target}px`,
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}
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}
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}
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if (transformSupported) {
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setTransform(navStyle, navOffset.value)
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} else {
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navStyle[navOffset.name] = navOffset.value
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}
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if (checkNextPrev) {
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this.setNextPrev()
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}
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}
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},
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setPrev (v) {
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if (this.prev !== v) {
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this.prev = v
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}
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},
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setNext (v) {
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if (!v) {
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// debugger
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}
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if (this.next !== v) {
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this.next = v
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}
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},
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isNextPrevShown (state) {
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if (state) {
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return state.next || state.prev
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}
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return this.next || this.prev
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},
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prevTransitionEnd (e) {
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if (e.propertyName !== 'opacity') {
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return
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}
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const container = this.$props.getRef('container')
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this.scrollToActiveTab({
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target: container,
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currentTarget: container,
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})
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},
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scrollToActiveTab (e) {
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const activeTab = this.$props.getRef('activeTab')
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const navWrap = this.$props.getRef('navWrap')
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if (e && e.target !== e.currentTarget || !activeTab) {
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return
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}
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// when not scrollable or enter scrollable first time, don't emit scrolling
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const needToSroll = this.isNextPrevShown() && this.lastNextPrevShown
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this.lastNextPrevShown = this.isNextPrevShown()
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if (!needToSroll) {
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return
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}
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const activeTabWH = this.getScrollWH(activeTab)
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const navWrapNodeWH = this.getOffsetWH(navWrap)
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let { offset } = this
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const wrapOffset = this.getOffsetLT(navWrap)
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const activeTabOffset = this.getOffsetLT(activeTab)
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if (wrapOffset > activeTabOffset) {
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offset += (wrapOffset - activeTabOffset)
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this.setOffset(offset)
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} else if ((wrapOffset + navWrapNodeWH) < (activeTabOffset + activeTabWH)) {
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offset -= (activeTabOffset + activeTabWH) - (wrapOffset + navWrapNodeWH)
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this.setOffset(offset)
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}
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},
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prevClick (e) {
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this.__emit('prevClick', e)
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const navWrapNode = this.$props.getRef('navWrap')
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const navWrapNodeWH = this.getOffsetWH(navWrapNode)
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const { offset } = this
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this.setOffset(offset + navWrapNodeWH)
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},
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nextClick (e) {
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// this.__emit('nextClick', e)
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const navWrapNode = this.$props.getRef('navWrap')
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const navWrapNodeWH = this.getOffsetWH(navWrapNode)
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const { offset } = this
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this.setOffset(offset - navWrapNodeWH)
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},
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},
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render () {
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const { next, prev } = this
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const { prefixCls, scrollAnimated, navWrapper } = this.$props
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const showNextPrev = prev || next
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const prevButton = (
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<span
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onClick={prev ? this.prevClick : noop}
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unselectable='unselectable'
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class={{
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[`${prefixCls}-tab-prev`]: 1,
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[`${prefixCls}-tab-btn-disabled`]: !prev,
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[`${prefixCls}-tab-arrow-show`]: showNextPrev,
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}}
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onTransitionend={this.prevTransitionEnd}
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>
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<span class={`${prefixCls}-tab-prev-icon`} />
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</span>
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)
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const nextButton = (
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<span
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onClick={next ? this.nextClick : noop}
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unselectable='unselectable'
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class={{
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[`${prefixCls}-tab-next`]: 1,
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[`${prefixCls}-tab-btn-disabled`]: !next,
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[`${prefixCls}-tab-arrow-show`]: showNextPrev,
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}}
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>
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<span class={`${prefixCls}-tab-next-icon`} />
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</span>
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)
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const navClassName = `${prefixCls}-nav`
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const navClasses = {
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[navClassName]: true,
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[
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scrollAnimated
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? `${navClassName}-animated`
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: `${navClassName}-no-animated`
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]: true,
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}
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return (
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<div
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class={{
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[`${prefixCls}-nav-container`]: 1,
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[`${prefixCls}-nav-container-scrolling`]: showNextPrev,
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}}
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key='container'
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{...{ directives: [{
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name: 'ref',
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value: this.saveRef('container'),
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}] }}
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>
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{prevButton}
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{nextButton}
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<div
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class={`${prefixCls}-nav-wrap`}
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{...{ directives: [{
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name: 'ref',
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value: this.saveRef('navWrap'),
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}] }}
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>
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<div class={`${prefixCls}-nav-scroll`}>
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<div
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class={navClasses}
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{...{ directives: [{
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name: 'ref',
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value: this.saveRef('nav'),
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}] }}
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>
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{navWrapper(this.$slots.default)}
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</div>
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</div>
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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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