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🐛 fix(data-grid): 修复空数据表Shift+滚轮横向滚动失效

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- 目标匹配：isTableDataAreaTarget 新增 .ant-table-placeholder 选择器覆盖空表占位元素
- 虚拟回退：虚拟模式下 rc-virtual-list-holder 不存在时，回退到手动滚动表头并同步外部滚动条
- 精准匹配：仅添加 .ant-table-placeholder，避免 .ant-table-header 导致有数据表头体滚动不同步
This commit is contained in:
Syngnat
2026-03-19 14:32:12 +08:00
parent 7933b4c315
commit ab61e703b1
1 changed files with 26 additions and 1 deletions
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27
frontend/src/components/DataGrid.tsx
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@@ -3988,7 +3988,7 @@ const DataGrid: React.FC<DataGridProps> = ({
const element = target instanceof HTMLElement ? target : null;
if (!element) return false;
if (element.closest('.data-grid-external-horizontal-scroll')) return false;
return !!element.closest('.ant-table-body, .ant-table-content, .ant-table-cell, .ant-table-row, .ant-table-tbody');
return !!element.closest('.ant-table-body, .ant-table-content, .ant-table-cell, .ant-table-row, .ant-table-tbody, .ant-table-placeholder');
};
const handleContainerHorizontalWheel = (event: WheelEvent) => {
@@ -4002,6 +4002,31 @@ const DataGrid: React.FC<DataGridProps> = ({
// 自动同步 header scrollLeft。
// 仅需在状态更新后同步外部横向滚动条。
horizontalSyncSourceRef.current = 'table';
// 空数据回退：virtual-holder 不存在时，手动滚动表头
const virtualHolder = container.querySelector('.rc-virtual-list-holder') as HTMLElement | null;
if (!virtualHolder) {
event.preventDefault();
event.stopPropagation();
const headerEl = container.querySelector('.ant-table-header') as HTMLElement | null;
const contentEl = container.querySelector('.ant-table-content') as HTMLElement | null;
const fallbackTargets = [headerEl, contentEl].filter((el): el is HTMLElement => el instanceof HTMLElement && el.scrollWidth > el.clientWidth + 1);
if (fallbackTargets.length > 0) {
fallbackTargets.forEach((target) => {
const max = Math.max(0, target.scrollWidth - target.clientWidth);
target.scrollLeft = Math.max(0, Math.min(max, target.scrollLeft + horizontalDelta));
});
lastTableScrollLeftRef.current = (fallbackTargets[0]).scrollLeft;
const externalScroll = externalHorizontalScrollRef.current;
if (externalScroll && Math.abs(externalScroll.scrollLeft - lastTableScrollLeftRef.current) > 1) {
externalScroll.scrollLeft = lastTableScrollLeftRef.current;
lastExternalScrollLeftRef.current = lastTableScrollLeftRef.current;
}
}
horizontalSyncSourceRef.current = '';
return;
}
requestAnimationFrame(() => {
const nextScrollLeft = readVirtualHorizontalOffset(container);
lastTableScrollLeftRef.current = nextScrollLeft;