kero/src/row-meta.js

<img src="http://tinper.org/assets/images/kero.png" width="120" style="max-width:100%;"/>

/**
 * Module : kero dataTable row meta
 * Author : liuyk(liuyk@yonyou.com)
 * Date   : 2016-08-08 13:54:01
 */
import {
  rowUtilFunObj
} from './row-util';

/**
 * 设置meta信息
 * @memberof Row
 * @param {string} fieldName 需要设置meta信息的字段名
 * @param {string} key       meta信息的key
 * @param {string} value     meta信息的值
 * @example
 * row.setMeta('filed1','type','string')
 */
const setMeta = function(fieldName, key, value) {
    var meta = rowUtilFunObj._getField(this, fieldName).meta
    if (!meta)
        meta = rowUtilFunObj._getField(this, fieldName).meta = {}
    var oldValue = meta[key]
    if (rowUtilFunObj.eq(oldValue, value)) return;
    meta[key] = value
    //this.metaChange(- this.metaChange())
    if (this.metaChange[fieldName + '.' + key]) {
        this.metaChange[fieldName + '.' + key](-this.metaChange[fieldName + '.' + key]());
    }

    if (key == 'enable')
        this.parent.enableChange(-this.parent.enableChange())
    if (this.parent.getCurrentRow() == this) {
        if (this.parent.metaChange[fieldName + '.' + key])
            this.parent.metaChange[fieldName + '.' + key](-this.parent.metaChange[fieldName + '.' + key]());
        this.parent.trigger(fieldName + '.' + key + '.' + DataTable.ON_CURRENT_META_CHANGE, {
            eventType: 'dataTableEvent',
            dataTable: this.parent.id,
            oldValue: oldValue,
            newValue: value
        });
        //this.parent.metaChange(- this.parent.metaChange())
    }
    this.parent.trigger(DataTable.ON_ROW_META_CHANGE, {
        eventType: 'dataTableEvent',
        dataTable: this.parent.id,
        field: fieldName,
        meta: key,
        oldValue: oldValue,
        newValue: value,
        row: this
    });

    this.parent.trigger(fieldName + '.' + key + '.' + DataTable.ON_ROW_META_CHANGE, {
        eventType: 'dataTableEvent',
        dataTable: this.parent.id,
        field: fieldName,
        meta: key,
        oldValue: oldValue,
        newValue: value,
        row: this
    });
}


export const rowMetaFunObj = {
    setMeta: setMeta
}