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feat:web List onScroll callback

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wangxiangyuan 2023-08-31 15:55:40 +08:00 committed by osborn
parent 089423126d
commit bb6840cc40
1 changed files with 9 additions and 1 deletions
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10
doric-web/src/shader/DoricListNode.ts
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@ -5,6 +5,7 @@ export class DoricListNode extends DoricSuperNode {
itemCount = 0 itemCount = 0
renderItemFuncId?: string renderItemFuncId?: string
onLoadMoreFuncId?: string onLoadMoreFuncId?: string
onScrollFuncId?: string
loadMoreViewId?: string loadMoreViewId?: string
batchCount = 15 batchCount = 15
loadMore = false loadMore = false
@ -22,6 +23,9 @@ export class DoricListNode extends DoricSuperNode {
case "onLoadMore": case "onLoadMore":
this.onLoadMoreFuncId = prop as string this.onLoadMoreFuncId = prop as string
break break
case "onScroll":
this.onScrollFuncId = prop as string
break
case "loadMoreView": case "loadMoreView":
this.loadMoreViewId = prop as string this.loadMoreViewId = prop as string
break break
@ -114,7 +118,11 @@ export class DoricListNode extends DoricSuperNode {
build() { build() {
const ret = document.createElement('div') const ret = document.createElement('div')
ret.style.overflow = "scroll" ret.style.overflow = "scroll"
ret.addEventListener("scroll", () => { ret.addEventListener("scroll", event => {
if (this.onScrollFuncId) {
this.callJSResponse(this.onScrollFuncId,
{ x: (event.target as HTMLElement).scrollLeft || 0, y: (event.target as HTMLElement).scrollTop })
}
if (this.loadMore) { if (this.loadMore) {
if (ret.scrollTop + ret.offsetHeight === ret.scrollHeight) { if (ret.scrollTop + ret.offsetHeight === ret.scrollHeight) {
this.onScrollToEnd() this.onScrollToEnd()