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Current File : /home/medipszd/www/bower_components/jquery-sparkline/src/utils.js

    /**
     * Utilities
     */

    createClass = function (/* [baseclass, [mixin, ...]], definition */) {
        var Class, args;
        Class = function () {
            this.init.apply(this, arguments);
        };
        if (arguments.length > 1) {
            if (arguments[0]) {
                Class.prototype = $.extend(new arguments[0](), arguments[arguments.length - 1]);
                Class._super = arguments[0].prototype;
            } else {
                Class.prototype = arguments[arguments.length - 1];
            }
            if (arguments.length > 2) {
                args = Array.prototype.slice.call(arguments, 1, -1);
                args.unshift(Class.prototype);
                $.extend.apply($, args);
            }
        } else {
            Class.prototype = arguments[0];
        }
        Class.prototype.cls = Class;
        return Class;
    };

    /**
     * Wraps a format string for tooltips
     * {{x}}
     * {{x.2}
     * {{x:months}}
     */
    $.SPFormatClass = SPFormat = createClass({
        fre: /\{\{([\w.]+?)(:(.+?))?\}\}/g,
        precre: /(\w+)\.(\d+)/,

        init: function (format, fclass) {
            this.format = format;
            this.fclass = fclass;
        },

        render: function (fieldset, lookups, options) {
            var self = this,
                fields = fieldset,
                match, token, lookupkey, fieldvalue, prec;
            return this.format.replace(this.fre, function () {
                var lookup;
                token = arguments[1];
                lookupkey = arguments[3];
                match = self.precre.exec(token);
                if (match) {
                    prec = match[2];
                    token = match[1];
                } else {
                    prec = false;
                }
                fieldvalue = fields[token];
                if (fieldvalue === undefined) {
                    return '';
                }
                if (lookupkey && lookups && lookups[lookupkey]) {
                    lookup = lookups[lookupkey];
                    if (lookup.get) { // RangeMap
                        return lookups[lookupkey].get(fieldvalue) || fieldvalue;
                    } else {
                        return lookups[lookupkey][fieldvalue] || fieldvalue;
                    }
                }
                if (isNumber(fieldvalue)) {
                    if (options.get('numberFormatter')) {
                        fieldvalue = options.get('numberFormatter')(fieldvalue);
                    } else {
                        fieldvalue = formatNumber(fieldvalue, prec,
                            options.get('numberDigitGroupCount'),
                            options.get('numberDigitGroupSep'),
                            options.get('numberDecimalMark'));
                    }
                }
                return fieldvalue;
            });
        }
    });

    // convience method to avoid needing the new operator
    $.spformat = function(format, fclass) {
        return new SPFormat(format, fclass);
    };

    clipval = function (val, min, max) {
        if (val < min) {
            return min;
        }
        if (val > max) {
            return max;
        }
        return val;
    };

    quartile = function (values, q) {
        var vl;
        if (q === 2) {
            vl = Math.floor(values.length / 2);
            return values.length % 2 ? values[vl] : (values[vl-1] + values[vl]) / 2;
        } else {
            if (values.length % 2 ) { // odd
                vl = (values.length * q + q) / 4;
                return vl % 1 ? (values[Math.floor(vl)] + values[Math.floor(vl) - 1]) / 2 : values[vl-1];
            } else { //even
                vl = (values.length * q + 2) / 4;
                return vl % 1 ? (values[Math.floor(vl)] + values[Math.floor(vl) - 1]) / 2 :  values[vl-1];

            }
        }
    };

    normalizeValue = function (val) {
        var nf;
        switch (val) {
            case 'undefined':
                val = undefined;
                break;
            case 'null':
                val = null;
                break;
            case 'true':
                val = true;
                break;
            case 'false':
                val = false;
                break;
            default:
                nf = parseFloat(val);
                if (val == nf) {
                    val = nf;
                }
        }
        return val;
    };

    normalizeValues = function (vals) {
        var i, result = [];
        for (i = vals.length; i--;) {
            result[i] = normalizeValue(vals[i]);
        }
        return result;
    };

    remove = function (vals, filter) {
        var i, vl, result = [];
        for (i = 0, vl = vals.length; i < vl; i++) {
            if (vals[i] !== filter) {
                result.push(vals[i]);
            }
        }
        return result;
    };

    isNumber = function (num) {
        return !isNaN(parseFloat(num)) && isFinite(num);
    };

    formatNumber = function (num, prec, groupsize, groupsep, decsep) {
        var p, i;
        num = (prec === false ? parseFloat(num).toString() : num.toFixed(prec)).split('');
        p = (p = $.inArray('.', num)) < 0 ? num.length : p;
        if (p < num.length) {
            num[p] = decsep;
        }
        for (i = p - groupsize; i > 0; i -= groupsize) {
            num.splice(i, 0, groupsep);
        }
        return num.join('');
    };

    // determine if all values of an array match a value
    // returns true if the array is empty
    all = function (val, arr, ignoreNull) {
        var i;
        for (i = arr.length; i--; ) {
            if (ignoreNull && arr[i] === null) continue;
            if (arr[i] !== val) {
                return false;
            }
        }
        return true;
    };

    // sums the numeric values in an array, ignoring other values
    sum = function (vals) {
        var total = 0, i;
        for (i = vals.length; i--;) {
            total += typeof vals[i] === 'number' ? vals[i] : 0;
        }
        return total;
    };

    ensureArray = function (val) {
        return $.isArray(val) ? val : [val];
    };

    // http://paulirish.com/2008/bookmarklet-inject-new-css-rules/
    addCSS = function(css) {
        var tag, iefail;
        if (document.createStyleSheet) {
            try {
                document.createStyleSheet().cssText = css;
                return;
            } catch (e) {
                // IE <= 9 maxes out at 31 stylesheets; inject into page instead.
                iefail = true;
            }
        }
        tag = document.createElement('style');
        tag.type = 'text/css';
        document.getElementsByTagName('head')[0].appendChild(tag);
        if (iefail) {
            document.styleSheets[document.styleSheets.length - 1].cssText = css;
        } else {
            tag[(typeof document.body.style.WebkitAppearance == 'string') /* webkit only */ ? 'innerText' : 'innerHTML'] = css;
        }
    };


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