devextreme/client_exporter/excel_format_converter.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (client_exporter/excel_format_converter.js)
 * Version: 18.1.3
 * Build date: Tue May 15 2018
 *
 * Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
var typeUtils = require("../core/utils/type"),
    stringUtils = require("../core/utils/string"),
    numberFormatter = require("../localization/number"),
    dateLocalization = require("../localization/date"),
    getDateLDMLFormat = require("../localization/ldml/date.format").getFormat,
    getLanguageID = require("../localization/language_codes").getLanguageId,
    UNSUPPORTED_FORMAT_MAPPING = {
        quarter: "shortDate",
        quarterAndYear: "shortDate",
        minute: "longTime",
        millisecond: "longTime"
    },
    ARABIC_ZERO_CODE = 1632,
    DEFINED_NUMBER_FORMTATS = {
        thousands: "#,##0{0},"K"",
        millions: "#,##0{0},,"M"",
        billions: "#,##0{0},,,"B"",
        trillions: "#,##0{0},,,,"T"",
        percent: "0{0}%",
        decimal: "#{0}",
        fixedpoint: "#,##0{0}",
        exponential: "0{0}E+00",
        currency: " "
    };
var PERIOD_REGEXP = /a+/g,
    DAY_REGEXP = /E/g,
    DO_REGEXP = /dE+/g,
    STANDALONE_MONTH_REGEXP = /L/g,
    HOUR_REGEXP = /h/g,
    SLASH_REGEXP = /\//g,
    SQUARE_OPEN_BRACKET_REGEXP = /\[/g,
    SQUARE_CLOSE_BRACKET_REGEXP = /]/g,
    ANY_REGEXP = /./g;
require("../localization/currency");
var excelFormatConverter = module.exports = {
    _applyPrecision: function(format, precision) {
        var result, i;
        if (precision > 0) {
            result = "decimal" !== format ? "." : "";
            for (i = 0; i < precision; i++) {
                result += "0"
            }
            return result
        }
        return ""
    },
    _getCurrencyFormat: function(currency) {
        return numberFormatter.getOpenXmlCurrencyFormat(currency)
    },
    _hasArabicDigits: function(text) {
        var code;
        for (var i = 0; i < text.length; i++) {
            code = text.charCodeAt(i);
            if (code >= ARABIC_ZERO_CODE && code < ARABIC_ZERO_CODE + 10) {
                return true
            }
        }
        return false
    },
    _convertDateFormatToOpenXml: function(format) {
        return format.replace(SLASH_REGEXP, "\\/").split("'").map(function(datePart, index) {
            if (index % 2 === 0) {
                return datePart.replace(PERIOD_REGEXP, "AM/PM").replace(DO_REGEXP, "d").replace(DAY_REGEXP, "d").replace(STANDALONE_MONTH_REGEXP, "M").replace(HOUR_REGEXP, "H").replace(SQUARE_OPEN_BRACKET_REGEXP, "\\[").replace(SQUARE_CLOSE_BRACKET_REGEXP, "\\]")
            }
            if (datePart) {
                return datePart.replace(ANY_REGEXP, "\\$&")
            }
            return "'"
        }).join("")
    },
    _convertDateFormat: function(format) {
        format = UNSUPPORTED_FORMAT_MAPPING[format && format.type || format] || format;
        var that = this,
            formattedValue = (dateLocalization.format(new Date(2009, 8, 8, 6, 5, 4), format) || "").toString(),
            result = getDateLDMLFormat(function(value) {
                return dateLocalization.format(value, format)
            });
        result = that._convertDateFormatToOpenXml(result);
        result = that._getLanguageInfo(formattedValue) + result;
        return result
    },
    _getLanguageInfo: function(defaultPattern) {
        var languageID = getLanguageID(),
            languageIDStr = languageID ? languageID.toString(16) : "",
            languageInfo = "";
        if (this._hasArabicDigits(defaultPattern)) {
            while (languageIDStr.length < 3) {
                languageIDStr = "0" + languageIDStr
            }
            languageInfo = "[$-2010" + languageIDStr + "]"
        } else {
            if (languageIDStr) {
                languageInfo = "[$-" + languageIDStr + "]"
            }
        }
        return languageInfo
    },
    _convertNumberFormat: function(format, precision, currency) {
        var result, excelFormat = "currency" === format ? this._getCurrencyFormat(currency) : DEFINED_NUMBER_FORMTATS[format.toLowerCase()];
        if (excelFormat) {
            result = stringUtils.format(excelFormat, this._applyPrecision(format, precision))
        }
        return result
    },
    convertFormat: function(format, precision, type, currency) {
        if (typeUtils.isDefined(format)) {
            if ("date" === type) {
                return excelFormatConverter._convertDateFormat(format)
            } else {
                if (typeUtils.isString(format) && DEFINED_NUMBER_FORMTATS[format.toLowerCase()]) {
                    return excelFormatConverter._convertNumberFormat(format, precision, currency)
                }
            }
        }
    }
};