import { CreateElement, VNode } from 'vue'
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import { ElementUIComponent, ElementUIHorizontalAlignment } from './component'
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import { PopoverPlacement } from './popover'
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export type TableColumnType = 'default' | 'selection' | 'index' | 'expand'
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export type TableColumnFixedType = 'left' | 'right'
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export type SortOrders = 'ascending' | 'descending' | null
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export type TableColumn = {
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/** Label of the column */
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label: string,
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/** Property name of the source data */
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property: string,
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/** Type of the column */
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type: string,
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/** Whether column is fixed at left/right */
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fixed: boolean | string
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}
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/** Data used in renderHeader function */
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export interface RenderHeaderData {
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/** The column that is current rendering */
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column: any,
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/** The index of the rendering column */
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$index: number
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}
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/** Filter Object */
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export interface TableColumnFilter {
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/** The text to show in the filter's panel */
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text: string,
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/** The value of the filter */
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value: any
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}
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/** TableColumn Component */
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export declare class ElTableColumn extends ElementUIComponent {
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/** Type of the column. If set to `selection`, the column will display checkbox. If set to `index`, the column will display index of the row (staring from 1). If set to `expand`, the column will display expand icon. */
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type: TableColumnType
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/** Column label */
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label: string
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/** Column's key. If you need to use the filter-change event, you need this attribute to identify which column is being filtered */
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columnKey: string
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/** Field name. You can also use its alias: property */
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prop: string
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/** Column width */
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width: string
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/** Column minimum width. Columns with `width` has a fixed width, while columns with `min-width` has a width that is distributed in proportion */
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minWidth: string
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/** Whether column is fixed at left/right. Will be fixed at left if `true` */
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fixed: boolean | TableColumnFixedType
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/** Render function for table header of this column */
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renderHeader: (h: CreateElement, data: RenderHeaderData) => VNode | string
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/** Whether column can be sorted */
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sortable: boolean | 'custom'
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/** Sorting method. Works when `sortable` is `true` */
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sortMethod: (a: any, b: any) => number
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/** The order of the sorting strategies used when sorting the data. Works when `sortable` is `true`. */
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sortOrders: SortOrders[]
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/** Whether column width can be resized. Works when border of `el-table` is `true` */
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resizable: boolean
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/** Function that formats content */
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formatter: (row: object, column: TableColumn) => any
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/** Whether to hide extra content and show them in a tooltip when hovering on the cell */
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showOverflowTooltip: boolean
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/** Alignment */
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align: ElementUIHorizontalAlignment
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/** Alignment of the table header. If omitted, the value of the `align` attribute will be applied */
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headerAlign: ElementUIHorizontalAlignment
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/** Class name of cells in the column */
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className: string
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/** Class name of the label of this column */
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labelClassName: string
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/** Function that determines if a certain row can be selected, works when `type` is `'selection'` */
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selectable: (row: object, index: number) => boolean
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/** Whether to reserve selection after data refreshing, works when `type` is `'selection'` */
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reserveSelection: boolean
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/** An array of data filtering options */
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filters: TableColumnFilter[]
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/** Placement for the filter dropdown */
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filterPlacement: PopoverPlacement
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/** Whether data filtering supports multiple options */
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filterMultiple: Boolean
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/** Data filtering method. If `filter-multiple` is on, this method will be called multiple times for each row, and a row will display if one of the calls returns `true` */
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filterMethod: (value: any, row: object) => boolean
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/** Filter value for selected data, might be useful when table header is rendered with `render-header` */
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filteredValue: TableColumnFilter[]
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}
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