WmptWap/javascript/star-rating.js

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/*!
 * @copyright © Kartik Visweswaran, Krajee.com, 2014
 * @version 2.5.0
 *
 * A simple yet powerful JQuery star rating plugin that allows rendering
 * fractional star ratings and supports Right to Left (RTL) input.
 * 
 * For more JQuery plugins visit http://plugins.krajee.com
 * For more Yii related demos visit http://demos.krajee.com
 */
(function ($) {
    var DEFAULT_MIN = 0;
    var DEFAULT_MAX = 5;
    var DEFAULT_STEP = 0.5;

    var isEmpty = function (value, trim) {
        return typeof value === 'undefined' || value === null || value === undefined || value == []
            || value === '' || trim && $.trim(value) === '';
    };

    var validateAttr = function ($input, vattr, options) {
        var chk = isEmpty($input.data(vattr)) ? $input.attr(vattr) : $input.data(vattr);
        if (chk) {
            return chk;
        }
        return options[vattr];
    };

    var getDecimalPlaces = function (num) {
        var match = ('' + num).match(/(?:\.(\d+))?(?:[eE]([+-]?\d+))?$/);
        if (!match) {
            return 0;
        }
        return Math.max(0, (match[1] ? match[1].length : 0) - (match[2] ? +match[2] : 0));
    };

    var applyPrecision = function (val, precision) {
        return parseFloat(val.toFixed(precision));
    };

    // Rating public class definition
    var Rating = function (element, options) {
        this.$element = $(element);
        this.init(options);
    };

    Rating.prototype = {
        constructor: Rating,
        _parseAttr: function (vattr, options) {
            var self = this, $input = self.$element;
            if ($input.attr('type') === 'range' || $input.attr('type') === 'number') {
                var val = validateAttr($input, vattr, options);
                var chk = DEFAULT_STEP;
                if (vattr === 'min') {
                    chk = DEFAULT_MIN;
                }
                else if (vattr === 'max') {
                    chk = DEFAULT_MAX;
                }
                else if (vattr === 'step') {