150 lines
4.4 KiB
Vue
150 lines
4.4 KiB
Vue
<script>
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import PropTypes from '../_util/vue-types'
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import BaseMixin from '../_util/BaseMixin'
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import debounce from 'lodash/debounce'
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import isFlexSupported from '../_util/isFlexSupported'
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import {
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getOptionProps,
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filterEmpty,
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getEvents,
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getPropsData,
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} from '../_util/props-util'
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import { cloneElement } from '../_util/vnode'
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export default {
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name: 'Steps',
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mixins: [BaseMixin],
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props: {
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prefixCls: PropTypes.string.def('rc-steps'),
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iconPrefix: PropTypes.string.def('rc'),
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direction: PropTypes.string.def('horizontal'),
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labelPlacement: PropTypes.string.def('horizontal'),
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status: PropTypes.string.def('process'),
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size: PropTypes.string.def(''),
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progressDot: PropTypes.oneOfType([
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PropTypes.bool,
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PropTypes.func,
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]),
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current: PropTypes.number.def(0),
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},
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data () {
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this.calcStepOffsetWidth = debounce(this.calcStepOffsetWidth, 150)
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return {
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flexSupported: true,
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lastStepOffsetWidth: 0,
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}
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},
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mounted () {
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this.$nextTick(() => {
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this.calcStepOffsetWidth()
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if (!isFlexSupported()) {
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this.setState({
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flexSupported: false,
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})
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}
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})
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},
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updated () {
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this.$nextTick(() => {
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this.calcStepOffsetWidth()
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})
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},
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beforeDestroy () {
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if (this.calcTimeout) {
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clearTimeout(this.calcTimeout)
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}
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if (this.calcStepOffsetWidth && this.calcStepOffsetWidth.cancel) {
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this.calcStepOffsetWidth.cancel()
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}
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},
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methods: {
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calcStepOffsetWidth () {
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if (isFlexSupported()) {
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return
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}
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// Just for IE9
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const domNode = this.$refs.vcStepsRef
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if (domNode.children.length > 0) {
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if (this.calcTimeout) {
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clearTimeout(this.calcTimeout)
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}
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this.calcTimeout = setTimeout(() => {
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// +1 for fit edge bug of digit width, like 35.4px
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const lastStepOffsetWidth = (domNode.lastChild.offsetWidth || 0) + 1
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// Reduce shake bug
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if (this.lastStepOffsetWidth === lastStepOffsetWidth ||
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Math.abs(this.lastStepOffsetWidth - lastStepOffsetWidth) <= 3) {
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return
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}
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this.setState({ lastStepOffsetWidth })
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})
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}
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},
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},
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render () {
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const {
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prefixCls, direction,
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labelPlacement, iconPrefix, status, size, current, $scopedSlots,
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} = this
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let progressDot = this.progressDot
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if (progressDot === undefined) {
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progressDot = $scopedSlots.progressDot
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}
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const { lastStepOffsetWidth, flexSupported } = this
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const filteredChildren = filterEmpty(this.$slots.default)
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const lastIndex = filteredChildren.length - 1
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const adjustedlabelPlacement = progressDot ? 'vertical' : labelPlacement
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const classString = {
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[prefixCls]: true,
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[`${prefixCls}-${direction}`]: true,
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[`${prefixCls}-${size}`]: size,
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[`${prefixCls}-label-${adjustedlabelPlacement}`]: direction === 'horizontal',
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[`${prefixCls}-dot`]: !!progressDot,
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}
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const stepsProps = {
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class: classString,
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ref: 'vcStepsRef',
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on: this.$listeners,
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}
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return (
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<div {...stepsProps}>
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{
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filteredChildren.map((child, index) => {
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const childProps = getPropsData(child)
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const stepProps = {
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props: {
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stepNumber: `${index + 1}`,
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prefixCls,
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iconPrefix,
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progressDot: this.progressDot,
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...childProps,
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},
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on: getEvents(child),
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scopedSlots: $scopedSlots,
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}
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if (!flexSupported && direction !== 'vertical' && index !== lastIndex) {
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stepProps.props.itemWidth = `${100 / lastIndex}%`
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stepProps.props.adjustMarginRight = -Math.round(lastStepOffsetWidth / lastIndex + 1)
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}
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// fix tail color
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if (status === 'error' && index === current - 1) {
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stepProps.class = `${prefixCls}-next-error`
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}
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if (!childProps.status) {
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if (index === current) {
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stepProps.props.status = status
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} else if (index < current) {
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stepProps.props.status = 'finish'
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} else {
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stepProps.props.status = 'wait'
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}
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}
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return cloneElement(child, stepProps)
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})
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}
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</div>
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)
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},
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}
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</script>
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