element-plus/es/components/table/src/table-body/render-helper.mjs.map

A Component Library for Vue 3

{"version":3,"file":"render-helper.mjs","sources":["../../../../../../../packages/components/table/src/table-body/render-helper.ts"],"sourcesContent":["import { h, getCurrentInstance, computed } from 'vue'\nimport { getRowIdentity } from '../util'\nimport useEvents from './events-helper'\nimport useStyles from './styles-helper'\n\nimport type { TableBodyProps } from './defaults'\nimport type {\n  RenderRowData,\n  Table,\n  TreeNode,\n  TableProps,\n} from '../table/defaults'\n\nfunction useRender<T>(props: Partial<TableBodyProps<T>>) {\n  const instance = getCurrentInstance()\n  const parent = instance.parent as Table<T>\n  const {\n    handleDoubleClick,\n    handleClick,\n    handleContextMenu,\n    handleMouseEnter,\n    handleMouseLeave,\n    handleCellMouseEnter,\n    handleCellMouseLeave,\n    tooltipContent,\n    tooltipTrigger,\n  } = useEvents(props)\n  const {\n    getRowStyle,\n    getRowClass,\n    getCellStyle,\n    getCellClass,\n    getSpan,\n    getColspanRealWidth,\n  } = useStyles(props)\n  const firstDefaultColumnIndex = computed(() => {\n    return props.store.states.columns.value.findIndex(\n      ({ type }) => type === 'default'\n    )\n  })\n  const getKeyOfRow = (row: T, index: number) => {\n    const rowKey = (parent.props as Partial<TableProps<T>>).rowKey\n    if (rowKey) {\n      return getRowIdentity(row, rowKey)\n    }\n    return index\n  }\n  const rowRender = (row: T, $index: number, treeRowData?: TreeNode) => {\n    const { tooltipEffect, store } = props\n    const { indent, columns } = store.states\n    const rowClasses = getRowClass(row, $index)\n    let display = true\n    if (treeRowData) {\n      rowClasses.push(`el-table__row--level-${treeRowData.level}`)\n      display = treeRowData.display\n    }\n    const displayStyle = display\n      ? null\n      : {\n          display: 'none',\n        }\n    return h(\n      'tr',\n      {\n        style: [displayStyle, getRowStyle(row, $index)],\n        class: rowClasses,\n        key: getKeyOfRow(row, $index),\n        onDblclick: ($event) => handleDoubleClick($event, row),\n        onClick: ($event) => handleClick($event, row),\n        onContextmenu: ($event) => handleContextMenu($event, row),\n        onMouseenter: () => handleMouseEnter($index),\n        onMouseleave: handleMouseLeave,\n      },\n      columns.value.map((column, cellIndex) => {\n        const { rowspan, colspan } = getSpan(row, column, $index, cellIndex)\n        if (!rowspan || !colspan) {\n          return null\n        }\n        const columnData = { ...column }\n        columnData.realWidth = getColspanRealWidth(\n          columns.value,\n          colspan,\n          cellIndex\n        )\n        const data: RenderRowData<T> = {\n          store: props.store,\n          _self: props.context || parent,\n          column: columnData,\n          row,\n          $index,\n        }\n        if (cellIndex === firstDefaultColumnIndex.value && treeRowData) {\n          data.treeNode = {\n            indent: treeRowData.level * indent.value,\n            level: treeRowData.level,\n          }\n          if (typeof treeRowData.expanded === 'boolean') {\n            data.treeNode.expanded = treeRowData.expanded\n            // 表明是懒加载\n            if ('loading' in treeRowData) {\n              data.treeNode.loading = treeRowData.loading\n            }\n            if ('noLazyChildren' in treeRowData) {\n              data.treeNode.noLazyChildren = treeRowData.noLazyChildren\n            }\n          }\n        }\n        const baseKey = `${$index},${cellIndex}`\n        const patchKey = columnData.columnKey || columnData.rawColumnKey || ''\n        const tdChildren = cellChildren(cellIndex, column, data)\n        return h(\n          'td',\n          {\n            style: getCellStyle($index, cellIndex, row, column),\n            class: getCellClass($index, cellIndex, row, column),\n            key: `${patchKey}${baseKey}`,\n            rowspan,\n            colspan,\n            onMouseenter: ($event) =>\n              handleCellMouseEnter($event, { ...row, tooltipEffect }),\n            onMouseleave: handleCellMouseLeave,\n          },\n          [tdChildren]\n        )\n      })\n    )\n  }\n  const cellChildren = (cellIndex, column, data) => {\n    return column.renderCell(data)\n  }\n  const wrappedRowRender = (row: T, $index: number) => {\n    const store = props.store\n    const { isRowExpanded, assertRowKey } = store\n    const { treeData, lazyTreeNodeMap, childrenColumnName, rowKey } =\n      store.states\n    const hasExpandColumn = store.states.columns.value.some(\n      ({ type }) => type === 'expand'\n    )\n    if (hasExpandColumn && isRowExpanded(row)) {\n      const renderExpanded = parent.renderExpanded\n      const tr = rowRender(row, $index, undefined)\n      if (!renderExpanded) {\n        console.error('[Element Error]renderExpanded is required.')\n        return tr\n      }\n      // 使用二维数组，避免修改 $index\n      // Use a two dimensional array avoid modifying $index\n      return [\n        [\n          tr,\n          h(\n            'tr',\n            {\n              key: `expanded-row__${tr.key as string}`,\n            },\n            [\n              h(\n                'td',\n                {\n                  colspan: store.states.columns.value.length,\n                  class: 'el-table__cell el-table__expanded-cell',\n                },\n                [renderExpanded({ row, $index, store })]\n              ),\n            ]\n          ),\n        ],\n      ]\n    } else if (Object.keys(treeData.value).length) {\n      assertRowKey()\n      // TreeTable 时，rowKey 必须由用户设定，不使用 getKeyOfRow 计算\n      // 在调用 rowRender 函数时，仍然会计算 rowKey，不太好的操作\n      const key = getRowIdentity(row, rowKey.value)\n      let cur = treeData.value[key]\n      let treeRowData = null\n      if (cur) {\n        treeRowData = {\n          expanded: cur.expanded,\n          level: cur.level,\n          display: true,\n        }\n        if (typeof cur.lazy === 'boolean') {\n          if (typeof cur.loaded === 'boolean' && cur.loaded) {\n            treeRowData.noLazyChildren = !(cur.children && cur.children.length)\n          }\n          treeRowData.loading = cur.loading\n        }\n      }\n      const tmp = [rowRender(row, $index, treeRowData)]\n      // 渲染嵌套数据\n      if (cur) {\n        // currentRow 记录的是 index，所以还需主动增加 TreeTable 的 index\n        let i = 0\n        const traverse = (children, parent) => {\n          if (!(children && children.length && parent)) return\n          children.forEach((node) => {\n            // 父节点的 display 状态影响子节点的显示状态\n            const innerTreeRowData = {\n              display: parent.display && parent.expanded,\n              level: parent.level + 1,\n              expanded: false,\n              noLazyChildren: false,\n              loading: false,\n            }\n            const childKey = getRowIdentity(node, rowKey.value)\n            if (childKey === undefined || childKey === null) {\n              throw new Error('For nested data item, row-key is required.')\n            }\n            cur = { ...treeData.value[childKey] }\n            // 对于当前节点，分成有无子节点两种情况。\n            // 如果包含子节点的，设置 expanded 属性。\n            // 对于它子节点的 display 属性由它本身的 expanded 与 display 共同决定。\n            if (cur) {\n              innerTreeRowData.expanded = cur.expanded\n              // 懒加载的某些节点，level 未知\n              cur.level = cur.level || innerTreeRowData.level\n              cur.display = !!(cur.expanded && innerTreeRowData.display)\n              if (typeof cur.lazy === 'boolean') {\n                if (typeof cur.loaded === 'boolean' && cur.loaded) {\n                  innerTreeRowData.noLazyChildren = !(\n                    cur.children && cur.children.length\n                  )\n                }\n                innerTreeRowData.loading = cur.loading\n              }\n            }\n            i++\n            tmp.push(rowRender(node, $index + i, innerTreeRowData))\n            if (cur) {\n              const nodes =\n                lazyTreeNodeMap.value[childKey] ||\n                node[childrenColumnName.value]\n              traverse(nodes, cur)\n            }\n          })\n        }\n        // 对于 root 节点，display 一定为 true\n        cur.display = true\n        const nodes =\n          lazyTreeNodeMap.value[key] || row[childrenColumnName.value]\n        traverse(nodes, cur)\n      }\n      return tmp\n    } else {\n      return rowRender(row, $index, undefined)\n    }\n  }\n\n  return {\n    wrappedRowRender,\n    tooltipContent,\n    tooltipTrigger,\n  }\n}\n\nexport default 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