/*
	WebPlotDigitizer - http://arohatgi.info/WebPlotDigitizer

	Copyright 2010-2015 Ankit Rohatgi <ankitrohatgi@hotmail.com>

	This file is part of WebPlotDigitizer.

    WebPlotDigitizer is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    WebPlotDigitizer is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with WebPlotDigitizer.  If not, see <http://www.gnu.org/licenses/>.


*/

var wpd = wpd || {};

wpd.keyCodes = (function () {
    return {
        isUp: function(code) {
            return code === 38;
        },
        isDown: function(code) {
            return code === 40;
        },
        isLeft: function(code) {
            return code === 37;
        },
        isRight: function(code) {
            return code === 39;
        },
        isTab: function(code) {
            return code === 9;
        },
        isDel: function(code) {
            return code === 46;
        },
        isBackspace: function(code) {
            return code === 8;
        },
        isAlphabet: function(code, alpha) {
            if (code > 90 || code < 65) {
                return false;
            }
            return String.fromCharCode(code).toLowerCase() === alpha;
        },
        isEnter: function(code) {
            return code === 13;
        },
        isEsc: function(code) {
            return code === 27;
        }
    };
})();
