devextreme/dist/transpiled/client_exporter/excel_format_converter.js

HTML5 JavaScript Component Suite for Responsive Web Development

"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 _applyPrecision(format, precision) {
        var result, i;

        if (precision > 0) {
            result = format !== "decimal" ? "." : "";
            for (i = 0; i < precision; i++) {
                result = result + "0";
            }

            return result;
        }
        return "";
    },

    _getCurrencyFormat: function _getCurrencyFormat(currency) {
        return numberFormatter.getOpenXmlCurrencyFormat(currency);
    },

    _hasArabicDigits: function _hasArabicDigits(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 _convertDateFormatToOpenXml(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 _convertDateFormat(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 _getLanguageInfo(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 _convertNumberFormat(format, precision, currency) {
        var result,
            excelFormat = format === "currency" ? this._getCurrencyFormat(currency) : DEFINED_NUMBER_FORMTATS[format.toLowerCase()];

        if (excelFormat) {
            result = stringUtils.format(excelFormat, this._applyPrecision(format, precision));
        }

        return result;
    },

    convertFormat: function convertFormat(format, precision, type, currency) {
        if (typeUtils.isDefined(format)) {
            if (type === "date") {
                return excelFormatConverter._convertDateFormat(format);
            } else {
                if (typeUtils.isString(format) && DEFINED_NUMBER_FORMTATS[format.toLowerCase()]) {
                    return excelFormatConverter._convertNumberFormat(format, precision, currency);
                }
            }
        }
    }
};