/*
 *
 * (c) Copyright Ascensio System SIA 2010-2019
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
*/
if (Common === undefined) {
    var Common = {};
}

if (Common.Utils === undefined) {
    Common.Utils = {};
}

Common.Utils = _.extend(new(function() {
    var userAgent = navigator.userAgent.toLowerCase(),
        check = function(regex){
            return regex.test(userAgent);
        },
        isStrict = document.compatMode == "CSS1Compat",
        version = function (is, regex) {
            var m;
            return (is && (m = regex.exec(userAgent))) ? parseFloat(m[1]) : 0;
        },
        docMode = document.documentMode,
        isEdge = check(/edge/),
        isOpera = check(/opera/),
        isOpera10_5 = isOpera && check(/version\/10\.5/),
        isIE = !isOpera && (check(/msie/) || check(/trident/) || check(/edge/)),
        isIE7 = isIE && ((check(/msie 7/) && docMode != 8 && docMode != 9 && docMode != 10) || docMode == 7),
        isIE8 = isIE && ((check(/msie 8/) && docMode != 7 && docMode != 9 && docMode != 10) || docMode == 8),
        isIE9 = isIE && ((check(/msie 9/) && docMode != 7 && docMode != 8 && docMode != 10) || docMode == 9),
        isIE10 = isIE && ((check(/msie 10/) && docMode != 7 && docMode != 8 && docMode != 9) || docMode == 10),
        isIE11 = isIE && ((check(/trident\/7\.0/) && docMode != 7 && docMode != 8 && docMode != 9 && docMode != 10) || docMode == 11),
        isIE6 = isIE && check(/msie 6/),
        isChrome = !isIE && check(/\bchrome\b/),
        isWebKit = !isIE && check(/webkit/),
        isSafari = !isIE && !isChrome && check(/safari/),
        isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2
        isSafari3 = isSafari && check(/version\/3/),
        isSafari4 = isSafari && check(/version\/4/),
        isSafari5_0 = isSafari && check(/version\/5\.0/),
        isSafari5 = isSafari && check(/version\/5/),
        isGecko = !isWebKit && !isIE && check(/gecko/), // IE11 adds "like gecko" into the user agent string
        isGecko3 = isGecko && check(/rv:1\.9/),
        isGecko4 = isGecko && check(/rv:2\.0/),
        isGecko5 = isGecko && check(/rv:5\./),
        isGecko10 = isGecko && check(/rv:10\./),
        isFF3_0 = isGecko3 && check(/rv:1\.9\.0/),
        isFF3_5 = isGecko3 && check(/rv:1\.9\.1/),
        isFF3_6 = isGecko3 && check(/rv:1\.9\.2/),
        isWindows = check(/windows|win32/),
        isMac = check(/macintosh|mac os x/),
        isLinux = check(/linux/),
        chromeVersion = version(true, /\bchrome\/(\d+\.\d+)/),
        firefoxVersion = version(true, /\bfirefox\/(\d+\.\d+)/),
        ieVersion = version(isIE, /msie (\d+\.\d+)/),
        operaVersion = version(isOpera, /version\/(\d+\.\d+)/),
        safariVersion = version(isSafari, /version\/(\d+\.\d+)/),
        webKitVersion = version(isWebKit, /webkit\/(\d+\.\d+)/),
        isSecure = /^https/i.test(window.location.protocol),
        emailRe = /^(mailto:)?([a-z0-9'\._-]+@[a-z0-9\.-]+\.[a-z0-9]{2,4})([a-яё0-9\._%+-=\? :&]*)/i,
        ipRe = /^(((https?)|(ftps?)):\/\/)?([\-\wа-яё]*:?[\-\wа-яё]*@)?(((1[0-9]{2}|2[0-4][0-9]|25[0-5]|[1-9][0-9]|[0-9])\.){3}(1[0-9]{2}|2[0-4][0-9]|25[0-5]|[1-9][0-9]|[0-9]))(:\d+)?(\/[%\-\wа-яё]*(\.[\wа-яё]{2,})?(([\wа-яё\-\.\?\\\/+@&#;:`~=%!,\(\)]*)(\.[\wа-яё]{2,})?)*)*\/?/i,
        hostnameRe = /^(((https?)|(ftps?)):\/\/)?([\-\wа-яё]*:?[\-\wа-яё]*@)?(([\-\wа-яё]+\.)+[\wа-яё\-]{2,}(:\d+)?(\/[%\-\wа-яё]*(\.[\wа-яё]{2,})?(([\wа-яё\-\.\?\\\/\+@&#;:`'~=%!,\(\)]*)(\.[\wа-яё]{2,})?)*)*\/?)/i,
        localRe = /^(((https?)|(ftps?)):\/\/)([\-\wа-яё]*:?[\-\wа-яё]*@)?(([\-\wа-яё]+)(:\d+)?(\/[%\-\wа-яё]*(\.[\wа-яё]{2,})?(([\wа-яё\-\.\?\\\/\+@&#;:`'~=%!,\(\)]*)(\.[\wа-яё]{2,})?)*)*\/?)/i,
        emailStrongRe = /(mailto:)?([a-z0-9'\._-]+@[a-z0-9\.-]+\.[a-z0-9]{2,4})([a-яё0-9\._%+-=\?:&]*)/ig,
        emailAddStrongRe = /(mailto:|\s[@]|\s[+])?([a-z0-9'\._-]+@[a-z0-9\.-]+\.[a-z0-9]{2,4})([a-яё0-9\._%\+-=\?:&]*)/ig,
        ipStrongRe = /(((https?)|(ftps?)):\/\/([\-\wа-яё]*:?[\-\wа-яё]*@)?)(((1[0-9]{2}|2[0-4][0-9]|25[0-5]|[1-9][0-9]|[0-9])\.){3}(1[0-9]{2}|2[0-4][0-9]|25[0-5]|[1-9][0-9]|[0-9]))(:\d+)?(\/[%\-\wа-яё]*(\.[\wа-яё]{2,})?(([\wа-яё\-\.\?\\\/\+@&#;:`~=%!,\(\)]*)(\.[\wа-яё]{2,})?)*)*\/?/ig,
        hostnameStrongRe = /((((https?)|(ftps?)):\/\/([\-\wа-яё]*:?[\-\wа-яё]*@)?)|(([\-\wа-яё]*:?[\-\wа-яё]*@)?www\.))((([\-\wа-яё]+\.)+[\wа-яё\-]{2,}|([\-\wа-яё]+))(:\d+)?(\/[%\-\wа-яё]*(\.[\wа-яё]{2,})?(([\wа-яё\-\.\?\\\/\+@&#;:`~=%!,\(\)]*)(\.[\wа-яё]{2,})?)*)*\/?)/ig,
        documentSettingsType = {
        	Paragraph  : 0,
            Table      : 1,
            Header     : 2,
            TextArt    : 3,
            Shape      : 4,
            Image      : 5,
            Slide      : 6,
            Chart      : 7,
            MailMerge  : 8,
            Signature  : 9,
            Pivot      : 10,
            Cell       : 11,
            Slicer     : 12,
            Form       : 13
        },
        importTextType = {
            DRM: 0,
            CSV: 1,
            TXT: 2,
            Paste: 3,
            Columns: 4
        },
        isMobile = /android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent || navigator.vendor || window.opera),
        me = this,
        checkSize = function() {
            var scale = {};
            if ( !!window.AscCommon && !!window.AscCommon.checkDeviceScale )
                scale = window.AscCommon.checkDeviceScale();
            else {
                var str_mq_150 = "screen and (-webkit-min-device-pixel-ratio: 1.5) and (-webkit-max-device-pixel-ratio: 1.9), " +
                        "screen and (min-resolution: 1.5dppx) and (max-resolution: 1.9dppx)";
                var str_mq_200 = "screen and (-webkit-min-device-pixel-ratio: 2), " +
                        "screen and (min-resolution: 2dppx), screen and (min-resolution: 192dpi)";

                if ( window.matchMedia(str_mq_150).matches ) {
                    scale.devicePixelRatio = 1.5;
                } else
                if ( window.matchMedia(str_mq_200).matches )
                    scale.devicePixelRatio = 2;
                else scale.devicePixelRatio = 1;
            }

            var $root = $(document.body);
            if ( scale.devicePixelRatio < 1.5 ) {
                $root.removeClass('pixel-ratio__1_5 pixel-ratio__2');
            } else
            if ( !(scale.devicePixelRatio < 1.5) && scale.devicePixelRatio < 2 ) {
                $root.removeClass('pixel-ratio__2');
                $root.addClass('pixel-ratio__1_5');
            } else {
                $root.addClass('pixel-ratio__2');
                $root.removeClass('pixel-ratio__1_5');
            }

            me.zoom = scale.correct ? scale.zoom : 1;
            me.innerWidth = window.innerWidth * me.zoom;
            me.innerHeight = window.innerHeight * me.zoom;
        };
        me.zoom = 1;
        me.innerWidth = window.innerWidth;
        me.innerHeight = window.innerHeight;
        if ( isIE )
            $(document.body).addClass('ie');
        else {
            checkSize();
            $(window).on('resize', checkSize);
        }

    return {
        checkSize: checkSize,

        userAgent: userAgent,
        isStrict: isStrict,
        isIEQuirks: isIE && (!isStrict && (isIE6 || isIE7 || isIE8 || isIE9)),
        isOpera : isOpera,
        isOpera10_5 : isOpera10_5,
        isWebKit : isWebKit,
        isChrome : isChrome,
        isSafari : isSafari,
        isSafari3 : isSafari3,
        isSafari4 : isSafari4,
        isSafari5 : isSafari5,
        isSafari5_0 : isSafari5_0,
        isSafari2 : isSafari2,
        isIE : isIE,
        isIE6 : isIE6,
        isIE7 : isIE7,
        isIE7m : isIE6 || isIE7,
        isIE7p : isIE && !isIE6,
        isIE8 : isIE8,
        isIE8m : isIE6 || isIE7 || isIE8,
        isIE8p : isIE && !(isIE6 || isIE7),
        isIE9 : isIE9,
        isIE9m : isIE6 || isIE7 || isIE8 || isIE9,
        isIE9p : isIE && !(isIE6 || isIE7 || isIE8),
        isIE10 : isIE10,
        isIE10m : isIE6 || isIE7 || isIE8 || isIE9 || isIE10,
        isIE10p : isIE && !(isIE6 || isIE7 || isIE8 || isIE9),
        isIE11: isIE11,
        isIE11m : isIE6 || isIE7 || isIE8 || isIE9 || isIE10 || isIE11,
        isIE11p : isIE && !(isIE6 || isIE7 || isIE8 || isIE9 || isIE10),
        isGecko : isGecko,
        isGecko3 : isGecko3,
        isGecko4 : isGecko4,
        isGecko5 : isGecko5,
        isGecko10 : isGecko10,
        isFF3_0 : isFF3_0,
        isFF3_5 : isFF3_5,
        isFF3_6 : isFF3_6,
        isFF4 : 4 <= firefoxVersion && firefoxVersion < 5,
        isFF5 : 5 <= firefoxVersion && firefoxVersion < 6,
        isFF10 : 10 <= firefoxVersion && firefoxVersion < 11,
        isLinux : isLinux,
        isWindows : isWindows,
        isMac : isMac,
        chromeVersion: chromeVersion,
        firefoxVersion: firefoxVersion,
        ieVersion: ieVersion,
        operaVersion: operaVersion,
        safariVersion: safariVersion,
        webKitVersion: webKitVersion,
        isSecure: isSecure,
        emailRe: emailRe,
        ipRe: ipRe,
        hostnameRe: hostnameRe,
        localRe: localRe,
        emailStrongRe: emailStrongRe,
        emailAddStrongRe: emailAddStrongRe,
        ipStrongRe: ipStrongRe,
        hostnameStrongRe: hostnameStrongRe,
        documentSettingsType: documentSettingsType,
        importTextType: importTextType,
        zoom: function() {return me.zoom;},
        topOffset: 0,
        innerWidth: function() {return me.innerWidth;},
        innerHeight: function() {return me.innerHeight;},
        croppedGeometry: function() {return {left:0, top: Common.Utils.InternalSettings.get('window-inactive-area-top'),
                                        width: me.innerWidth, height: me.innerHeight - Common.Utils.InternalSettings.get('window-inactive-area-top')}}
    }
})(), Common.Utils || {});

Common.Utils.ThemeColor = new(function() {
    return {
        ThemeValues: [6, 15, 7, 16, 0, 1, 2, 3, 4, 5],

        setColors: function(colors, standart_colors) {
            var i, j, item;

            if (standart_colors && standart_colors.length > 0) {
                var standartcolors = [];

                for (i = 0; i < standart_colors.length; i++) {
                    item = this.getHexColor(standart_colors[i].get_r(), standart_colors[i].get_g(), standart_colors[i].get_b());
                    standartcolors.push(item);
                }

                this.standartcolors = standartcolors;
            }

            var effectСolors= [];

            for (i = 0; i < 6; i++) {
                for (j = 0; j < 10; j++) {
                    var idx = i + j * 6;
                    item = {
                        color: this.getHexColor(colors[idx].get_r(), colors[idx].get_g(), colors[idx].get_b()),
                        effectId: idx,
                        effectValue: this.ThemeValues[j]
                    };
                    effectСolors.push(item);
                }
            }
            this.effectcolors = effectСolors;
        },

        getEffectColors: function() {
            return this.effectcolors;
        },

        getStandartColors: function() {
            return this.standartcolors;
        },

        getHexColor: function(r, g, b){
            r = r.toString(16);
            g = g.toString(16);
            b = b.toString(16);
            if (r.length == 1) r = '0' + r;
            if (g.length == 1) g = '0' + g;
            if (b.length == 1) b = '0' + b;
            return r + g + b;
        },

        getRgbColor: function(clr){
            var color = (typeof(clr) == 'object') ? clr.color : clr;

            color=color.replace(/#/,'');
            if(color.length==3) color=color.replace(/(.)/g,'$1$1');
            color=parseInt(color,16);
            var c = new Asc.asc_CColor();
            c.put_type( (typeof(clr) == 'object' && clr.effectId !== undefined)? Asc.c_oAscColor.COLOR_TYPE_SCHEME : Asc.c_oAscColor.COLOR_TYPE_SRGB);
            c.put_r(color>>16);
            c.put_g((color&0xff00)>>8);
            c.put_b(color&0xff);
            c.put_a(0xff);
            if (clr.effectId !== undefined)
                c.put_value(clr.effectId);
            return c;
        },

        colorValue2EffectId: function(clr){
            if (typeof(clr) == 'object' && clr.effectValue !== undefined && this.effectcolors) {
                for (var i = 0; i < this.effectcolors.length; i++) {
                    if (this.effectcolors[i].effectValue===clr.effectValue && clr.color.toUpperCase()===this.effectcolors[i].color.toUpperCase()) {
                        clr.effectId = this.effectcolors[i].effectId;
                        break;
                    }
                }
            }
            return clr;
        }
    }
})();

Common.Utils.Metric = _.extend( new(function() {
    var me = this;

    me.c_MetricUnits = {
        cm: 0,
        pt: 1,
        inch: 2
    };

    me.currentMetric = me.c_MetricUnits.pt;
    me.metricName = ['Cm', 'Pt', 'Inch'];
    me.defaultMetric = me.c_MetricUnits.cm;

    return {
        c_MetricUnits: me.c_MetricUnits,
        txtCm        : 'cm',
        txtPt        : 'pt',
        txtInch      : '\"',

        setCurrentMetric: function(value) {
            me.currentMetric = value;
        },

        getCurrentMetric: function() {
            return me.currentMetric;
        },

        getCurrentMetricName: function() {
            return this['txt' + me.metricName[me.currentMetric]];
        },

        getMetricName: function(unit) {
            return this['txt' + me.metricName[(unit !== undefined) ? unit : 0]];
        },
        
        setDefaultMetric: function(value) {
            me.defaultMetric = value;
        },

        getDefaultMetric: function() {
            return me.defaultMetric;
        },

        fnRecalcToMM: function(value) {
            // value in pt/cm/inch. need to convert to mm
            if (value!==null && value!==undefined) {
                switch (me.currentMetric) {
                    case me.c_MetricUnits.cm:
                        return value * 10;
                    case me.c_MetricUnits.pt:
                        return value * 25.4 / 72.0;
                    case me.c_MetricUnits.inch:
                        return value * 25.4;
                }
            }
            return value;
        },

        fnRecalcFromMM: function(value) {
            // value in mm. need to convert to pt/cm/inch
            switch (me.currentMetric) {
                case me.c_MetricUnits.cm:
                    return parseFloat((value/10.).toFixed(4));
                case me.c_MetricUnits.pt:
                    return parseFloat((value * 72.0 / 25.4).toFixed(3));
                case me.c_MetricUnits.inch:
                    return parseFloat((value / 25.4).toFixed(3));
            }
            return value;
        }
    }
})(), Common.Utils.Metric || {});

Common.Utils.RGBColor = function(colorString) {
    var r, g, b;

    if (colorString.charAt(0) == '#') {
        colorString = colorString.substr(1,6);
    }

    colorString = colorString.replace(/ /g,'');
    colorString = colorString.toLowerCase();

    var colorDefinitions = [
        {
            re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
//                    example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
            process: function (bits){
                return [
                    parseInt(bits[1]),
                    parseInt(bits[2]),
                    parseInt(bits[3])
                ];
            }
        },
        {
            re: /^hsb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
//                    example: ['hsb(123, 34, 100)'],
            process: function (bits){
                var rgb = {};
                var h = Math.round(bits[1]);
                var s = Math.round(bits[2] * 255 / 100);
                var v = Math.round(bits[3] * 255 / 100);
                if(s == 0) {
                    rgb.r = rgb.g = rgb.b = v;
                } else {
                    var t1 = v;
                    var t2 = (255 - s) * v / 255;
                    var t3 = (t1 - t2) * (h % 60) / 60;

                    if (h == 360) h = 0;
                    if (h < 60)         {rgb.r = t1;    rgb.b = t2;     rgb.g = t2 + t3}
                    else if (h < 120)   {rgb.g = t1;    rgb.b = t2;     rgb.r = t1 - t3}
                    else if (h < 180)   {rgb.g = t1;    rgb.r = t2;     rgb.b = t2 + t3}
                    else if (h < 240)   {rgb.b = t1;    rgb.r = t2;     rgb.g = t1 - t3}
                    else if (h < 300)   {rgb.b = t1;    rgb.g = t2;     rgb.r = t2 + t3}
                    else if (h < 360)   {rgb.r = t1;    rgb.g = t2;     rgb.b = t1 - t3}
                    else                {rgb.r = 0;     rgb.g = 0;      rgb.b = 0}
                }
                return [
                    Math.round(rgb.r),
                    Math.round(rgb.g),
                    Math.round(rgb.b)
                ];
            }
        },
        {
            re: /^(\w{2})(\w{2})(\w{2})$/,
//                    example: ['#00ff00', '336699'],
            process: function (bits){
                return [
                    parseInt(bits[1], 16),
                    parseInt(bits[2], 16),
                    parseInt(bits[3], 16)
                ];
            }
        },
        {
            re: /^(\w{1})(\w{1})(\w{1})$/,
//                    example: ['#fb0', 'f0f'],
            process: function (bits){
                return [
                    parseInt(bits[1] + bits[1], 16),
                    parseInt(bits[2] + bits[2], 16),
                    parseInt(bits[3] + bits[3], 16)
                ];
            }
        }
    ];

    for (var i = 0; i < colorDefinitions.length; i++) {
        var re = colorDefinitions[i].re;
        var processor = colorDefinitions[i].process;
        var bits = re.exec(colorString);
        if (bits) {
            var channels = processor(bits);
            r = channels[0];
            g = channels[1];
            b = channels[2];
        }
    }

    r = (r < 0 || isNaN(r)) ? 0 : ((r > 255) ? 255 : r);
    g = (g < 0 || isNaN(g)) ? 0 : ((g > 255) ? 255 : g);
    b = (b < 0 || isNaN(b)) ? 0 : ((b > 255) ? 255 : b);

    var isEqual = function(color){
        return ((r == color.r) && (g == color.g) && (b == color.b));
    };

    var toRGB = function() {
        return 'rgb(' + r + ', ' + g + ', ' + b + ')';
    };

    var toRGBA = function(alfa) {
        if (alfa===undefined) alfa = 1;
        return 'rgba(' + r + ', ' + g + ', ' + b + ', ' + alfa + ')';
    };

    var toHex = function() {
        var _r = r.toString(16);
        var _g = g.toString(16);
        var _b = b.toString(16);
        if (_r.length == 1) _r = '0' + _r;
        if (_g.length == 1) _g = '0' + _g;
        if (_b.length == 1) _b = '0' + _b;
        return '#' + _r + _g + _b;
    };

    var toHSB = function() {
        var hsb = {
            h: 0,
            s: 0,
            b: 0
        };

        var min = Math.min(r, g, b);
        var max = Math.max(r, g, b);
        var delta = max - min;
        hsb.b = max;
        hsb.s = max != 0 ? 255 * delta / max : 0;
        if (hsb.s != 0) {
            if (r == max) {
                hsb.h = 0 + (g - b) / delta;
            } else if (g == max) {
                hsb.h = 2 + (b - r) / delta;
            } else {
                hsb.h = 4 + (r - g) / delta;
            }
        } else {
            hsb.h = 0;
        }
        hsb.h *= 60;
        if (hsb.h < 0) {
            hsb.h += 360;
        }
        hsb.s *= 100 / 255;
        hsb.b *= 100 / 255;

        hsb.h = parseInt(hsb.h);
        hsb.s = parseInt(hsb.s);
        hsb.b = parseInt(hsb.b);

        return hsb;
    };

    return {
        r       : r,
        g       : g,
        b       : b,
        isEqual : isEqual,
        toRGB   : toRGB,
        toRGBA  : toRGBA,
        toHex   : toHex,
        toHSB   : toHSB
    }
};

Common.Utils.String = new (function() {
    return {
        format: function(format) {
            var args = _.toArray(arguments).slice(1);
            if (args.length && typeof args[0] == 'object')
                args = args[0];
            return format.replace(/\{(\d+)\}/g, function(s, i) {
                return args[i];
            });
        },

        htmlEncode: function(string) {
            return _.escape(string);
        },

        htmlDecode: function(string) {
            return _.unescape(string);
        },

        ellipsis: function(value, len, word) {
            if (value && value.length > len) {
                if (word) {
                    var vs = value.substr(0, len - 2),
                        index = Math.max(vs.lastIndexOf(' '), vs.lastIndexOf('.'), vs.lastIndexOf('!'), vs.lastIndexOf('?'));
                    if (index !== -1 && index >= (len - 15)) {
                        return vs.substr(0, index) + "...";
                    }
                }
                return value.substr(0, len - 3) + "...";
            }
            return value;
        },

        platformKey: function(string, template, hookFn) {
            if (_.isEmpty(template))
                template = ' ({0})';

            if (Common.Utils.isMac) {
                if (_.isFunction(hookFn)) {
                    string = hookFn.call(this, string);
                }
                return Common.Utils.String.format(template, string.replace(/\+(?=\S)/g, '').replace(/Ctrl|ctrl/g, '⌘').replace(/Alt|alt/g, '⌥').replace(/Shift|shift/g, '⇧'));
            }

            return Common.Utils.String.format(template, string);
        },

        parseFloat: function(string) {
            (typeof string === 'string') && (string = string.replace(',', '.'));
            return parseFloat(string)
        },

        encodeSurrogateChar: function(nUnicode) {
            if (nUnicode < 0x10000)
            {
                return String.fromCharCode(nUnicode);
            }
            else
            {
                nUnicode = nUnicode - 0x10000;
                var nLeadingChar = 0xD800 | (nUnicode >> 10);
                var nTrailingChar = 0xDC00 | (nUnicode & 0x3FF);
                return String.fromCharCode(nLeadingChar) + String.fromCharCode(nTrailingChar);
            }
        }
    }
})();

Common.Utils.isBrowserSupported = function() {
    return !((Common.Utils.ieVersion != 0 && Common.Utils.ieVersion < 10.0) ||
             (Common.Utils.safariVersion != 0 && Common.Utils.safariVersion < 5.0) ||
             (Common.Utils.firefoxVersion != 0 && Common.Utils.firefoxVersion < 4.0) ||
             (Common.Utils.chromeVersion != 0 && Common.Utils.chromeVersion < 7.0) ||
             (Common.Utils.operaVersion != 0 && Common.Utils.operaVersion < 10.5));
};

Common.Utils.showBrowserRestriction = function() {
    if (document.getElementsByClassName && document.getElementsByClassName('app-error-panel').length>0) return;
    var editor = (window.DE ? 'Document' : window.SSE ? 'Spreadsheet' : window.PE ? 'Presentation' : 'that');
    var newDiv = document.createElement("div");
    newDiv.innerHTML = '<div class="app-error-panel">' +
                            '<div class="message-block">' +
                                '<div class="message-inner">' +
                                    '<div class="title">Your browser is not supported.</div>' +
                                    '<div class="text">Sorry, ' + editor + ' Editor is currently only supported in the latest versions of the Chrome, Firefox, Safari or Internet Explorer web browsers.</div>' +
                                '</div>' +
                            '</div>' +
                            '<div class="message-auxiliary"></div>' +
                        '</div>';

    document.body.appendChild(newDiv);

    $('#loading-mask').hide().remove();
    $('#viewport').hide().remove();
};

Common.Utils.applyCustomization = function(config, elmap) {
    for (var name in config) {
        var $el;
        if (!!elmap[name]) {
            $el = $(elmap[name]);

            if ($el.length) {
                var item = config[name];
                if (item === false || item.visible === false) {
                    $el.hide()
                } else {
                    if (!!item.text) {
                        $el.text(item.text);
                    }

                    if (item.visible === false) {
                        $el.hide();
                    }
                }
            }
        }
    }
};

Common.Utils.applyCustomizationPlugins = function(plugins) {
    if (!plugins || plugins.length<1) return;

    var _createXMLHTTPObject = function() {
        var xmlhttp;
        if (typeof XMLHttpRequest != 'undefined') {
            xmlhttp = new XMLHttpRequest();
        } else {
            try {
                xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
            }
            catch (e) {
                try {
                    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
                }
                catch (E) {
                    xmlhttp = false;
                }
            }
        }

        return xmlhttp;
    };

    var _getPluginCode = function(url) {
        if (!url) return '';
        try {
            var xhrObj = _createXMLHTTPObject();
            if (xhrObj && url) {
                xhrObj.open('GET', url, false);
                xhrObj.send('');
                if (xhrObj.status == 200)
                    eval(xhrObj.responseText);
            }
        }
        catch (e) {}
        return null;
    };

    plugins.forEach(function(url){
        if (url) _getPluginCode(url);
    });
};

Common.Utils.fillUserInfo = function(info, lang, defname) {
    var _user = info || {};
    !_user.id && (_user.id = ('uid-' + Date.now()));
    _user.fullname = _.isEmpty(_user.name) ? defname : _user.name;
    _user.group && (_user.fullname = (_user.group).toString() + Common.Utils.UserInfoParser.getSeparator() + _user.fullname);
    _user.guest = _.isEmpty(_user.name);
    return _user;
};


Common.Utils.createXhr = function () {
    var xmlhttp;

    if (typeof XMLHttpRequest != 'undefined') {
        xmlhttp = new XMLHttpRequest();
    } else {
        try {
            xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (E) {
                xmlhttp = false;
            }
        }
    }

    return xmlhttp;
};

Common.Utils.getConfigJson = function (url) {
    if ( url ) {
        try {
            var xhrObj = Common.Utils.createXhr();
            if ( xhrObj ) {
                xhrObj.open('GET', url, false);
                xhrObj.send('');

                return JSON.parse(xhrObj.responseText);
            }
        } catch (e) {}
    }

    return null;
};

Common.Utils.loadConfig = function(url, callback) {
    "use strict";

    fetch(url)
        .then(function(response){
            if ( response.ok )
                return response.json();
            else return 'error';
        }).then(function(json){
            callback(json);
        }).catch(function(e) {
            callback('error');
        });
};

Common.Utils.asyncCall = function (callback, scope, args) {
    (new Promise(function (resolve, reject) {
        resolve();
    })).then(function () {
        callback.call(scope, args);
    });
};

// Extend javascript String type
String.prototype.strongMatch = function(regExp){
    if (regExp && regExp instanceof RegExp) {
        var arr = this.toString().match(regExp);
        return !!(arr && arr.length > 0 && arr[0].length == this.length);
    }

    return false;
};

Common.Utils.InternalSettings = new(function() {
    var settings = {};

    var _get = function(name) {
            return settings[name];
        },
        _set = function(name, value) {
            settings[name] = value;
        };

    return {
        get: _get,
        set: _set
    }
});

Common.Utils.lockControls = function(causes, lock, opts, defControls) {
    !opts && (opts = {});

    var controls = opts.array || defControls;
    opts.merge && (controls = _.union(defControls,controls));

    function doLock(cmp, cause) {
        if ( cmp && _.contains(cmp.options.lock, cause) ) {
            var index = cmp.keepState.indexOf(cause);
            if (lock) {
                if (index < 0) {
                    cmp.keepState.push(cause);
                }
            } else {
                if (!(index < 0)) {
                    cmp.keepState.splice(index, 1);
                }
            }
        }
    }

    _.each(controls, function(item) {
        if (item && _.isFunction(item.setDisabled)) {
            !item.keepState && (item.keepState = []);
            if (opts.clear && opts.clear.length > 0 && item.keepState.length > 0) {
                item.keepState = _.difference(item.keepState, opts.clear);
            }

            _.isArray(causes) ? _.each(causes, function(c) {doLock(item, c)}) : doLock(item, causes);

            if (!(item.keepState.length > 0)) {
                item.isDisabled() && item.setDisabled(false);
            } else {
                !item.isDisabled() && item.setDisabled(true);
            }
        }
    });
};

Common.Utils.injectButtons = function($slots, id, iconCls, caption, lock, split, menu, toggle) {
    var btnsArr = createButtonSet();
    btnsArr.setDisabled(true);
    id = id || ("id-toolbar-" + iconCls);
    $slots.each(function(index, el) {
        var _cls = 'btn-toolbar';
        /x-huge/.test(el.className) && (_cls += ' x-huge icon-top');

        var button = new Common.UI.Button({
            parentEl: $slots.eq(index),
            id: id + index,
            cls: _cls,
            iconCls: iconCls,
            caption: caption,
            split: split || false,
            menu: menu || false,
            enableToggle: toggle || false,
            lock: lock,
            disabled: true
        });

        btnsArr.add(button);
    });
    return btnsArr;
};

Common.Utils.injectComponent = function ($slot, cmp) {
    if (cmp && $slot.length) {
        cmp.rendered ? $slot.append(cmp.$el) : cmp.render($slot);
    }
};

Common.Utils.warningDocumentIsLocked = function (opts) {
    if ( opts.disablefunc )
        opts.disablefunc(true);

    var app = window.DE || window.PE || window.SSE;

    Common.UI.warning({
        msg: Common.Locale.get("warnFileLocked",{name:"Common.Translation", default: "You can't edit this file. Document is in use by another application."}),
        buttons: [{
            value: 'view',
            caption: Common.Locale.get("warnFileLockedBtnView",{name:"Common.Translation", default: "Open for viewing"})
        }, {
            value: 'edit',
            caption: Common.Locale.get("warnFileLockedBtnEdit",{name:"Common.Translation", default: "Create a copy"})
        }],
        primary: 'view',
        callback: function(btn){
            if (btn == 'edit') {
                if ( opts.disablefunc ) opts.disablefunc(false);
                app.getController('Main').api.asc_setIsReadOnly(false);
            }
        }
    });
};

jQuery.fn.extend({
    elementById: function (id, parent) {
        /**
         * usage:   $obj.findById('#id')
         *          $().findById('#id', $obj | node)
         *          $.fn.findById('#id', $obj | node)
         *
         * return:  dom element
         * */
        var _el = document.getElementById(id.substring(1));
        if ( !_el ) {
            parent = parent || this;
            if ( parent instanceof jQuery ) {
                parent.each(function (i, node) {
                    _el = node.querySelectorAll(id);
                    if ( _el.length == 0 ) {
                        if ( ('#' + node.id) == id ) {
                            _el = node;
                            return false;
                        }
                    } else
                    if ( _el.length ) {
                        _el = _el[0];
                        return false;
                    }
                })
            } else {
                _el = parent.querySelectorAll(id);
                if ( _el && _el.length ) return _el[0];
            }
        }

        return _el;
    },

    findById: function (id, parent) {
        var _el = $.fn.elementById.apply(this, arguments);
        return !!_el ? $(_el) : $();
    }
});

Common.Utils.InternalSettings.set('toolbar-height-tabs', 32);
Common.Utils.InternalSettings.set('toolbar-height-tabs-top-title', 28);
Common.Utils.InternalSettings.set('toolbar-height-controls', 67);
Common.Utils.InternalSettings.set('document-title-height', 28);
Common.Utils.InternalSettings.set('window-inactive-area-top', 0);

Common.Utils.InternalSettings.set('toolbar-height-compact', Common.Utils.InternalSettings.get('toolbar-height-tabs'));
Common.Utils.InternalSettings.set('toolbar-height-normal', Common.Utils.InternalSettings.get('toolbar-height-tabs') + Common.Utils.InternalSettings.get('toolbar-height-controls'));

Common.Utils.ModalWindow = new(function() {
    var count = 0;
    return {
        show: function() {
            count++;
        },

        close: function() {
            count--;
        },

        isVisible: function() {
            return count>0;
        }
    }
})();

Common.Utils.UserInfoParser = new(function() {
    var parse = false,
        separator = String.fromCharCode(160),
        username = '',
        usergroups,
        reviewPermissions,
        reviewGroups;
    return {
        setParser: function(value) {
            parse = !!value;
        },

        getSeparator: function() {
            return separator;
        },

        getParsedName: function(username) {
            if (parse && username) {
                return username.substring(username.indexOf(separator)+1);
            } else
                return username;
        },

        getParsedGroups: function(username) {
            if (parse && username) {
                var idx = username.indexOf(separator),
                    groups = (idx>-1) ? username.substring(0, idx).split(',') : [];
                for (var i=0; i<groups.length; i++)
                    groups[i] = groups[i].trim();
                return groups;
            } else
                return undefined;
        },

        setCurrentName: function(name) {
            username = name;
            this.setReviewPermissions(reviewGroups, reviewPermissions);
        },

        getCurrentName: function() {
            return username;
        },

        setReviewPermissions: function(groups, permissions) {
            if (groups) {
                if  (typeof groups == 'object' && groups.length>0)
                    usergroups = groups;
                reviewGroups = groups;
            } else if (permissions) {
                var arr = [],
                    arrgroups  =  this.getParsedGroups(username);
                arrgroups && arrgroups.forEach(function(group) {
                    var item = permissions[group.trim()];
                    item && (arr = arr.concat(item));
                });
                usergroups = arr;
                reviewPermissions = permissions;
            }
        },

        getCurrentGroups: function() {
            return usergroups;
        }
    }
})();