WorkMvc/Content/bootstrap-table/extensions/group-by/bootstrap-table-group-by.js

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/**
 * @author: Dennis Hernández
 * @webSite: http://djhvscf.github.io/Blog
 * @version: v1.1.0
 */

!function ($) {

    'use strict';

    var originalRowAttr,
        dataTTId = 'data-tt-id',
        dataTTParentId = 'data-tt-parent-id',
        obj = {},
        parentId = undefined;

    var getParentRowId = function (that, id) {
        var parentRows = that.$body.find('tr').not('[' + 'data-tt-parent-id]');

        for (var i = 0; i < parentRows.length; i++) {
            if (i === id) {
                return $(parentRows[i]).attr('data-tt-id');
            }
        }

        return undefined;
    };

    var sumData = function (that, data) {
        var sumRow = {};
        $.each(data, function (i, row) {
            if (!row.IsParent) {
                for (var prop in row) {
                    if (!isNaN(parseFloat(row[prop]))) {
                        if (that.columns[$.fn.bootstrapTable.utils.getFieldIndex(that.columns, prop)].groupBySumGroup) {
                            if (sumRow[prop] === undefined) {
                                sumRow[prop] = 0;
                            }
                            sumRow[prop] += +row[prop];
                        }
                    }
                }
            }
        });
        return sumRow;
    };

    var rowAttr = function (row, index) {
        //Call the User Defined Function
        originalRowAttr.apply([row, index]);

        obj[dataTTId.toString()] = index;

        if (!row.IsParent) {
            obj[dataTTParentId.toString()] = parentId === undefined ? index : parentId;
        } else {
            parentId = index;
            delete obj[dataTTParentId.toString()];
        }