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feat(data-table): refactor virtual-scroll (#1295)
* refactor(tabs): on-before-leave prop * fix(tabs): typo * fix(upload): file can't be removed when file count limit is reached, closes #1401 * 2.19.11 * test(dialog): Update dialog component test (#1404) * test(data-table): update test (#1411) * feat(data-table): restructure virtual-scroll * feat(data-table): optimization * feat: optimization * feat(data-table): optimization expanded * feat: optimization * feat: optimization * feat: optimization * feat: optimization * feat: optimization * feat: add change log * Update src/data-table/src/TableParts/Body.tsx Co-authored-by: 张乐聪 <zhanglecong@bytedance.com> Co-authored-by: songjianet <1778651752@qq.com> Co-authored-by: 07akioni <07akioni2@gmail.com>
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@ -11,6 +11,7 @@
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### Feats
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- `n-data-table` optimize the logic of underlying rendering and improve component performance.
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- `n-date-picker`'s `shortcuts` prop supports functional value.
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## 2.19.11 (2021-10-21)
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@ -11,6 +11,7 @@
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### Feats
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- `n-data-table` 优化底层渲染的逻辑,提升组件性能
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- `n-date-picker` 的 `shortcuts` 属性支持传入回调函数
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## 2.19.11 (2021-10-21)
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@ -8,7 +8,8 @@ import {
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watchEffect,
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onUnmounted,
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PropType,
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CSSProperties
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CSSProperties,
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computed
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} from 'vue'
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import { pxfy, repeat } from 'seemly'
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import { VirtualList, VirtualListInst } from 'vueuc'
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@ -37,12 +38,17 @@ type RowRenderInfo =
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disabled: boolean
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}
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| TmNode
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| {
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isExpandedRow: true
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tmNode: TmNode
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key: RowKey
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}
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function flatten (rows: TmNode[], expandedRowKeys: RowKey[]): TmNode[] {
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function flatten (rows: TmNode[], expandedRowKeys: Set<RowKey>): TmNode[] {
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const fRows: TmNode[] = []
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function traverse (rs: TmNode[]): void {
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rs.forEach((r) => {
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if (r.children && expandedRowKeys.includes(r.key)) {
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if (r.children && expandedRowKeys.has(r.key)) {
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fRows.push(r)
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traverse(r.children)
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} else {
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@ -138,6 +144,9 @@ export default defineComponent({
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const scrollbarInstRef = ref<ScrollbarInst | null>(null)
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const virtualListRef = ref<VirtualListInst | null>(null)
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let lastSelectedKey: string | number = ''
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const mergedExpandedRowKeySetRef = computed(() => {
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return new Set(mergedExpandedRowKeysRef.value)
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})
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function handleCheckboxUpdateChecked (
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tmNode: { key: RowKey },
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checked: boolean,
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@ -286,7 +295,7 @@ export default defineComponent({
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currentPage: mergedCurrentPageRef,
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rowClassName: rowClassNameRef,
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renderExpand: renderExpandRef,
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mergedExpandedRowKeys: mergedExpandedRowKeysRef,
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mergedExpandedRowKeySet: mergedExpandedRowKeySetRef,
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hoverKey: hoverKeyRef,
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mergedSortState: mergedSortStateRef,
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virtualScroll: virtualScrollRef,
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@ -354,8 +363,9 @@ export default defineComponent({
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>
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{{
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default: () => {
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// coordinate to pass if there are cells that cross row & col
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const cordToPass: Record<number, number[]> = {}
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// coord to related hover keys
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// coordinate to related hover keys
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const cordKey: Record<number, Record<number, RowKey[]>> = {}
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const {
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cols,
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@ -366,7 +376,7 @@ export default defineComponent({
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currentPage,
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rowClassName,
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mergedSortState,
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mergedExpandedRowKeys,
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mergedExpandedRowKeySet,
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componentId,
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showHeader,
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hasChildren,
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@ -390,7 +400,7 @@ export default defineComponent({
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// if there is children in data, we should expand mergedData first
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const mergedPaginationData = hasChildren
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? flatten(paginatedData, mergedExpandedRowKeys)
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? flatten(paginatedData, mergedExpandedRowKeySet)
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: paginatedData
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if (summary) {
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@ -420,170 +430,43 @@ export default defineComponent({
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mergedData = mergedPaginationData
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}
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const { length: rowCount } = mergedData
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const indentStyle = hasChildren
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? { width: pxfy(this.indent) }
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: undefined
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const rows: VNode[] = []
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mergedData.forEach((rowInfo, rowIndex) => {
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const { length: rowCount } = mergedData
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const renderRow = (
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rowInfo: RowRenderInfo,
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rowIndex: number,
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isVirtual: boolean
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): VNode => {
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if ('isExpandedRow' in rowInfo) {
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const {
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tmNode: { key, rawNode }
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} = rowInfo
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return (
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<tr
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class={`${mergedClsPrefix}-data-table-tr`}
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key={`${key}__expand`}
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>
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<td
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class={[
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`${mergedClsPrefix}-data-table-td`,
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`${mergedClsPrefix}-data-table-td--last-col`,
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rowIndex + 1 === rowCount &&
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`${mergedClsPrefix}-data-table-td--last-row`
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]}
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colspan={colCount}
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>
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{renderExpand!(rawNode, rowIndex)}
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</td>
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</tr>
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)
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}
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const { rawNode: rowData, key: rowKey } = rowInfo
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const isSummary = 'summary' in rowInfo
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const expanded = mergedExpandedRowKeys.includes(rowKey)
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const showExpandContent = renderExpand && expanded
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const colNodes = cols.map((col, colIndex) => {
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if (rowIndex in cordToPass) {
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const cordOfRowToPass = cordToPass[rowIndex]
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const indexInCordOfRowToPass =
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cordOfRowToPass.indexOf(colIndex)
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if (~indexInCordOfRowToPass) {
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cordOfRowToPass.splice(indexInCordOfRowToPass, 1)
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return null
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}
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}
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const { column } = col
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const colKey = getColKey(col)
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// If there is no rowSpan
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// virtual list should have a fast path
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const { rowSpan, colSpan } = column
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const mergedColSpan = isSummary
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? rowInfo.rawNode[colKey]?.colSpan || 1 // optional for #1276
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: colSpan
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? colSpan(rowData, rowIndex)
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: 1
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const mergedRowSpan = isSummary
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? rowInfo.rawNode[colKey]?.rowSpan || 1 // optional for #1276
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: rowSpan
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? rowSpan(rowData, rowIndex)
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: 1
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const isLastCol = colIndex + mergedColSpan === colCount
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const isLastRow = rowIndex + mergedRowSpan === rowCount
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const isCrossRowTd = mergedRowSpan > 1
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if (isCrossRowTd) {
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cordKey[rowIndex] = {
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[colIndex]: []
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}
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}
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if (mergedColSpan > 1 || isCrossRowTd) {
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for (let i = rowIndex; i < rowIndex + mergedRowSpan; ++i) {
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if (isCrossRowTd) {
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cordKey[rowIndex][colIndex].push(rowIndexToKey[i])
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}
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for (let j = colIndex; j < colIndex + mergedColSpan; ++j) {
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if (i === rowIndex && j === colIndex) continue
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if (!(i in cordToPass)) {
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cordToPass[i] = [j]
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} else {
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cordToPass[i].push(j)
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}
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}
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}
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}
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const hoverKey = isCrossRowTd ? this.hoverKey : null
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const { ellipsis } = column
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return (
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<td
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key={colKey}
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style={{
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textAlign: column.align || undefined,
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left: pxfy(fixedColumnLeftMap[colKey]?.start),
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right: pxfy(fixedColumnRightMap[colKey]?.start)
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}}
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colspan={mergedColSpan}
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rowspan={mergedRowSpan}
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data-col-key={colKey}
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class={[
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`${mergedClsPrefix}-data-table-td`,
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column.className,
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isSummary && `${mergedClsPrefix}-data-table-td--summary`,
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((hoverKey !== null &&
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cordKey[rowIndex][colIndex].includes(hoverKey)) ||
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isColumnSorting(column, mergedSortState)) &&
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`${mergedClsPrefix}-data-table-td--hover`,
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column.fixed &&
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`${mergedClsPrefix}-data-table-td--fixed-${column.fixed}`,
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column.align &&
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`${mergedClsPrefix}-data-table-td--${column.align}-align`,
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{
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[`${mergedClsPrefix}-data-table-td--ellipsis`]:
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ellipsis === true ||
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// don't add ellipsis class if tooltip exists
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(ellipsis && !ellipsis.tooltip),
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[`${mergedClsPrefix}-data-table-td--selection`]:
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column.type === 'selection',
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[`${mergedClsPrefix}-data-table-td--expand`]:
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column.type === 'expand',
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[`${mergedClsPrefix}-data-table-td--last-col`]:
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isLastCol,
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[`${mergedClsPrefix}-data-table-td--last-row`]:
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isLastRow && !showExpandContent
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}
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]}
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>
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{hasChildren && colIndex === firstContentfulColIndex
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? [
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repeat(
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isSummary ? 0 : rowInfo.level,
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<div
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class={`${mergedClsPrefix}-data-table-indent`}
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style={indentStyle}
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/>
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),
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isSummary || !rowInfo.children ? (
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<div
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class={`${mergedClsPrefix}-data-table-expand-placeholder`}
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/>
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) : (
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<ExpandTrigger
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class={`${mergedClsPrefix}-data-table-expand-trigger`}
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clsPrefix={mergedClsPrefix}
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expanded={expanded}
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onClick={() => {
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handleUpdateExpanded(rowKey)
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}}
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/>
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)
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]
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: null}
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{column.type === 'selection' ? (
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!isSummary ? (
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<RenderSafeCheckbox
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key={currentPage}
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rowKey={rowKey}
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disabled={rowInfo.disabled}
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onUpdateChecked={(checked: boolean, e) =>
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handleCheckboxUpdateChecked(
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rowInfo,
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checked,
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e.shiftKey
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)
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}
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/>
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) : null
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) : column.type === 'expand' ? (
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!isSummary ? (
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!column.expandable ||
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column.expandable?.(rowData, rowIndex) ? (
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<ExpandTrigger
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clsPrefix={mergedClsPrefix}
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expanded={expanded}
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onClick={() => handleUpdateExpanded(rowKey)}
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/>
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) : null
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) : null
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) : (
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<Cell
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index={rowIndex}
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row={rowData}
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column={column}
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isSummary={isSummary}
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mergedTheme={mergedTheme}
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/>
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)}
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</td>
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)
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})
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const expanded = mergedExpandedRowKeySet.has(rowInfo.key)
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const props = rowProps ? rowProps(rowData, rowIndex) : undefined
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const mergedRowClassName =
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typeof rowClassName === 'string'
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@ -601,43 +484,218 @@ export default defineComponent({
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]}
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{...props}
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>
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{colNodes}
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{cols.map((col, colIndex) => {
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if (!isVirtual && rowIndex in cordToPass) {
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const cordOfRowToPass = cordToPass[rowIndex]
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const indexInCordOfRowToPass =
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cordOfRowToPass.indexOf(colIndex)
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if (~indexInCordOfRowToPass) {
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cordOfRowToPass.splice(indexInCordOfRowToPass, 1)
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return null
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}
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}
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// TODO: Simplify row calculation
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const { column } = col
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const colKey = getColKey(col)
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const { rowSpan, colSpan } = column
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const mergedColSpan = isSummary
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? rowInfo.rawNode[colKey]?.colSpan || 1 // optional for #1276
|
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: colSpan
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? colSpan(rowData, rowIndex)
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: 1
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const mergedRowSpan = isSummary
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? rowInfo.rawNode[colKey]?.rowSpan || 1 // optional for #1276
|
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: rowSpan
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? rowSpan(rowData, rowIndex)
|
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: 1
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const isLastCol = colIndex + mergedColSpan === colCount
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const isLastRow = rowIndex + mergedRowSpan === rowCount
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const isCrossRowTd = mergedRowSpan > 1
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if (isCrossRowTd) {
|
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cordKey[rowIndex] = {
|
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[colIndex]: []
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}
|
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}
|
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if (mergedColSpan > 1 || isCrossRowTd) {
|
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for (
|
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let i = rowIndex;
|
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i < rowIndex + mergedRowSpan;
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++i
|
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) {
|
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if (isCrossRowTd) {
|
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cordKey[rowIndex][colIndex].push(rowIndexToKey[i])
|
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}
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for (
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let j = colIndex;
|
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j < colIndex + mergedColSpan;
|
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++j
|
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) {
|
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if (i === rowIndex && j === colIndex) continue
|
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if (!(i in cordToPass)) {
|
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cordToPass[i] = [j]
|
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} else {
|
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cordToPass[i].push(j)
|
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}
|
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}
|
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}
|
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}
|
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const hoverKey = isCrossRowTd ? this.hoverKey : null
|
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const { ellipsis } = column
|
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return (
|
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<td
|
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key={colKey}
|
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style={{
|
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textAlign: column.align || undefined,
|
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left: pxfy(fixedColumnLeftMap[colKey]?.start),
|
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right: pxfy(fixedColumnRightMap[colKey]?.start)
|
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}}
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colspan={mergedColSpan}
|
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rowspan={isVirtual ? undefined : mergedRowSpan}
|
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data-col-key={colKey}
|
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class={[
|
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`${mergedClsPrefix}-data-table-td`,
|
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column.className,
|
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isSummary &&
|
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`${mergedClsPrefix}-data-table-td--summary`,
|
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((hoverKey !== null &&
|
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cordKey[rowIndex][colIndex].includes(hoverKey)) ||
|
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isColumnSorting(column, mergedSortState)) &&
|
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`${mergedClsPrefix}-data-table-td--hover`,
|
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column.fixed &&
|
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`${mergedClsPrefix}-data-table-td--fixed-${column.fixed}`,
|
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column.align &&
|
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`${mergedClsPrefix}-data-table-td--${column.align}-align`,
|
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{
|
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[`${mergedClsPrefix}-data-table-td--ellipsis`]:
|
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ellipsis === true ||
|
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// don't add ellipsis class if tooltip exists
|
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(ellipsis && !ellipsis.tooltip),
|
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[`${mergedClsPrefix}-data-table-td--selection`]:
|
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column.type === 'selection',
|
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[`${mergedClsPrefix}-data-table-td--expand`]:
|
||||
column.type === 'expand',
|
||||
[`${mergedClsPrefix}-data-table-td--last-col`]:
|
||||
isLastCol,
|
||||
[`${mergedClsPrefix}-data-table-td--last-row`]:
|
||||
isLastRow
|
||||
}
|
||||
]}
|
||||
>
|
||||
{hasChildren && colIndex === firstContentfulColIndex
|
||||
? [
|
||||
repeat(
|
||||
isSummary ? 0 : rowInfo.level,
|
||||
<div
|
||||
class={`${mergedClsPrefix}-data-table-indent`}
|
||||
style={indentStyle}
|
||||
/>
|
||||
),
|
||||
isSummary || !rowInfo.children ? (
|
||||
<div
|
||||
class={`${mergedClsPrefix}-data-table-expand-placeholder`}
|
||||
/>
|
||||
) : (
|
||||
<ExpandTrigger
|
||||
class={`${mergedClsPrefix}-data-table-expand-trigger`}
|
||||
clsPrefix={mergedClsPrefix}
|
||||
expanded={expanded}
|
||||
onClick={() => {
|
||||
handleUpdateExpanded(rowKey)
|
||||
}}
|
||||
/>
|
||||
)
|
||||
]
|
||||
: null}
|
||||
{column.type === 'selection' ? (
|
||||
!isSummary ? (
|
||||
<RenderSafeCheckbox
|
||||
key={currentPage}
|
||||
rowKey={rowKey}
|
||||
disabled={rowInfo.disabled}
|
||||
onUpdateChecked={(checked: boolean, e) =>
|
||||
handleCheckboxUpdateChecked(
|
||||
rowInfo,
|
||||
checked,
|
||||
e.shiftKey
|
||||
)
|
||||
}
|
||||
/>
|
||||
) : null
|
||||
) : column.type === 'expand' ? (
|
||||
!isSummary ? (
|
||||
!column.expandable ||
|
||||
column.expandable?.(rowData, rowIndex) ? (
|
||||
<ExpandTrigger
|
||||
clsPrefix={mergedClsPrefix}
|
||||
expanded={expanded}
|
||||
onClick={() => handleUpdateExpanded(rowKey)}
|
||||
/>
|
||||
) : null
|
||||
) : null
|
||||
) : (
|
||||
<Cell
|
||||
index={rowIndex}
|
||||
row={rowData}
|
||||
column={column}
|
||||
isSummary={isSummary}
|
||||
mergedTheme={mergedTheme}
|
||||
/>
|
||||
)}
|
||||
</td>
|
||||
)
|
||||
})}
|
||||
</tr>
|
||||
)
|
||||
if (showExpandContent) {
|
||||
rows.push(
|
||||
row,
|
||||
<tr
|
||||
class={`${mergedClsPrefix}-data-table-tr`}
|
||||
key={`${rowKey}__expand`}
|
||||
>
|
||||
<td
|
||||
class={[
|
||||
`${mergedClsPrefix}-data-table-td`,
|
||||
`${mergedClsPrefix}-data-table-td--last-col`,
|
||||
rowIndex + 1 === rowCount &&
|
||||
`${mergedClsPrefix}-data-table-td--last-row`
|
||||
]}
|
||||
colspan={colCount}
|
||||
>
|
||||
{renderExpand(rowData, rowIndex)}
|
||||
</td>
|
||||
</tr>
|
||||
)
|
||||
|
||||
return row
|
||||
}
|
||||
|
||||
// Tile the data of the expanded row
|
||||
const displayedData: RowRenderInfo[] = []
|
||||
mergedData.forEach((rowInfo) => {
|
||||
if (renderExpand && mergedExpandedRowKeySet.has(rowInfo.key)) {
|
||||
displayedData.push(rowInfo, {
|
||||
isExpandedRow: true,
|
||||
key: rowInfo.key,
|
||||
tmNode: rowInfo as TmNode
|
||||
})
|
||||
} else {
|
||||
rows.push(row)
|
||||
displayedData.push(rowInfo)
|
||||
}
|
||||
})
|
||||
|
||||
// Please note that the current virtual scroll mode impl
|
||||
// not very performant, since it supports all the feature of table.
|
||||
// If we can bailout some path it will be much faster. Since it
|
||||
// need to generate all vnodes before using the virtual list.
|
||||
if (virtualScroll) {
|
||||
if (!virtualScroll) {
|
||||
return (
|
||||
<table
|
||||
class={`${mergedClsPrefix}-data-table-table`}
|
||||
onMouseleave={handleMouseleaveTable}
|
||||
onMouseenter={handleMouseenterTable}
|
||||
style={{
|
||||
tableLayout: this.mergedTableLayout
|
||||
}}
|
||||
>
|
||||
<colgroup>
|
||||
{cols.map((col) => (
|
||||
<col key={col.key} style={col.style}></col>
|
||||
))}
|
||||
</colgroup>
|
||||
{showHeader ? <TableHeader discrete={false} /> : null}
|
||||
<tbody
|
||||
data-n-id={componentId}
|
||||
class={`${mergedClsPrefix}-data-table-tbody`}
|
||||
>
|
||||
{displayedData.map((rowInfo, rowIndex) => {
|
||||
return renderRow(rowInfo, rowIndex, false)
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
)
|
||||
} else {
|
||||
return (
|
||||
<VirtualList
|
||||
ref="virtualListRef"
|
||||
items={rows}
|
||||
items={displayedData}
|
||||
itemSize={28}
|
||||
visibleItemsTag={VirtualListItemWrapper}
|
||||
visibleItemsProps={{
|
||||
@ -654,37 +712,17 @@ export default defineComponent({
|
||||
itemResizable
|
||||
>
|
||||
{{
|
||||
default: ({ item }: { item: VNode }) => {
|
||||
return item
|
||||
}
|
||||
default: ({
|
||||
item,
|
||||
index
|
||||
}: {
|
||||
item: RowRenderInfo
|
||||
index: number
|
||||
}) => renderRow(item, index, true)
|
||||
}}
|
||||
</VirtualList>
|
||||
)
|
||||
}
|
||||
|
||||
return (
|
||||
<table
|
||||
class={`${mergedClsPrefix}-data-table-table`}
|
||||
onMouseleave={handleMouseleaveTable}
|
||||
onMouseenter={handleMouseenterTable}
|
||||
style={{
|
||||
tableLayout: this.mergedTableLayout
|
||||
}}
|
||||
>
|
||||
<colgroup>
|
||||
{cols.map((col) => (
|
||||
<col key={col.key} style={col.style}></col>
|
||||
))}
|
||||
</colgroup>
|
||||
{showHeader ? <TableHeader discrete={false} /> : null}
|
||||
<tbody
|
||||
data-n-id={componentId}
|
||||
class={`${mergedClsPrefix}-data-table-tbody`}
|
||||
>
|
||||
{rows}
|
||||
</tbody>
|
||||
</table>
|
||||
)
|
||||
}
|
||||
}}
|
||||
</NScrollbar>
|
||||
|
Loading…
Reference in New Issue
Block a user