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51 lines
1.3 KiB
51 lines
1.3 KiB
import baseComponent from '../helpers/baseComponent'
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import classNames from '../helpers/classNames'
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baseComponent({
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relations: {
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'../sticky-item/index': {
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type: 'child',
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observer() {
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this.debounce(this.updated)
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},
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},
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},
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properties: {
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prefixCls: {
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type: String,
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value: 'wux-sticky',
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},
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scrollTop: {
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type: Number,
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value: 0,
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observer: 'onScroll',
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},
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},
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computed: {
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classes: ['prefixCls', function(prefixCls) {
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const wrap = classNames(prefixCls)
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return {
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wrap,
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}
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}],
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},
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methods: {
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onScroll(scrollTop = this.data.scrollTop) {
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const elements = this.getRelationNodes('../sticky-item/index')
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if (elements.length > 0) {
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elements.forEach((element, index) => {
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element.onScroll(scrollTop)
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})
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}
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},
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updated() {
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const elements = this.getRelationNodes('../sticky-item/index')
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if (elements.length > 0) {
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elements.forEach((element, index) => {
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element.updated(index)
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})
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}
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},
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},
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})
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