yyzone/src/components/business/private-table/util.js

yyzone vue components and utils

import { deepCopy } from '../../../utils/assist'

export function convertColumnOrder(columns, fixedType) {
    let list = []
    let other = []
    columns.forEach((col) => {
        if (col.fixed && col.fixed === fixedType) {
            list.push(col)
        } else {
            other.push(col)
        }
    })
    return list.concat(other)
}



export function getAllColumns(cols, forTableHead = false) {
    const columns = deepCopy(cols)
    const result = []
    columns.forEach((column) => {
        if (column.children) {
            if (forTableHead) result.push(column)
            result.push.apply(result, getAllColumns(column.children, forTableHead))
        } else {
            result.push(column)
        }
    })
    return result
}

export function convertToRows(columns, fixedType = false) {
    const originColumns = fixedType ? fixedType === 'left' ? deepCopy(convertColumnOrder(columns, 'left')) : deepCopy(convertColumnOrder(columns, 'right')) : deepCopy(columns)
    let maxLevel = 1
    const traverse = (column, parent) => {
        if (parent) {
            column.level = parent.level + 1
            if (maxLevel < column.level) {
                maxLevel = column.level
            }
        }
        if (column.children) {
            let colSpan = 0
            column.children.forEach((subColumn) => {
                traverse(subColumn, column)
                colSpan += subColumn.colSpan
            })
            column.colSpan = colSpan
        } else {
            column.colSpan = 1
        }
    }

    originColumns.forEach((column) => {
        column.level = 1
        traverse(column)
    })

    const rows = []
    for (let i = 0; i < maxLevel; i++) {
        rows.push([])
    }

    const allColumns = getAllColumns(originColumns, true)

    allColumns.forEach((column) => {
        if (!column.children) {
            column.rowSpan = maxLevel - column.level + 1
        } else {
            column.rowSpan = 1
        }
        rows[column.level - 1].push(column)
    })

    return rows
}

export function getRandomStr(len = 32) {
    const $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
    const maxPos = $chars.length
    let str = ''
    for (let i = 0; i < len; i++) {
        str += $chars.charAt(Math.floor(Math.random() * maxPos))
    }
    return str
}