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Direktori : /home/medipszd/www/bower_components/jquery-sparkline/src/ |
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; } };