Validator jQuery plugin

gistfile1.js

/*
* jQuery plugin to validate forms around segurosdigitales
* requires jquery validate plugin
* */
(function($){
    function Validator(options, element) {
        this.options = $.extend( {}, this.options, options );

        this.elem = element;
        this.$elem = $(element);

        this.validateTheForm();
    }
    $.extend(Validator.prototype, {
        // Set default options for jQuery validate plugin
        setValidationOptions: function(){
            var self = this;

            // Default options for all forms around the app
            // These are the default options for jquery validate plugin
            var jQueryValidatePluginOptions = {
                onfocusout: function(e){
                    // Validate all elements when 'blur' event happens, except if it has a 'datepicker-open' class, I'm adding this class because datepicker causes that the input element loses focus and validation error is triggered
                    if(!$(e).hasClass('datepicker-open')){
                        this.element(e);
                    }
                },
                errorElement: 'span',
                errorClass: 'error help-block',
                errorPlacement: function(error, element){
                    if(element.is('input[type="checkbox"]')){
                        error.insertAfter(element.parent());
                    } else {
                        error.insertAfter(element);
                    }
                },

                // Highlight occurs when element has erros
                highlight: function(element, errorClass, validClass){
                    $(element).addClass(errorClass).removeClass(validClass);

                    var control_group = $(element).closest('.control-group, .controls-row');
                    control_group.addClass(errorClass).removeClass(validClass);

                    // Remove any valid icon
                    control_group.find('i.icon-ok').remove();
                },

                // Unhighlight occurs when element is valid
                unhighlight: function(element, errorClass, validClass){

                    $(element).removeClass(errorClass).addClass(validClass);

                    // get the parent of the field
                    var control_group = $(element).closest('.control-group, .controls-row');

                    // is field empty?
                    var element_is_empty = ( $(element).val() === '' );


                    if (!element_is_empty && !control_group.find('i.icon-ok').length) {
                        var label = control_group.find('label');

                        // Prevent to add more than one icon if control group contains more than one label (ie. when we have checkboxes and radio buttons)
                        $.each(label, function () {
                            $(this).prepend('<i class="icon-ok green"></i>');
                            return false;
                        });

                        // add class only if element is valid and not empty
                        control_group.removeClass(errorClass).addClass(validClass);
                    }
                }
            };

            // add other options depending of validateForm plugin options
            if( self.options.errorMessages ){
                jQueryValidatePluginOptions.messages = self.options.errorMessages;
            }

            if( self.options.rules ){
                jQueryValidatePluginOptions.rules = self.options.rules;
            }

            if( self.options.showNotification ){
                jQueryValidatePluginOptions.invalidHandler = function(event, validator){
                    var errors = validator.numberOfInvalids();
                    if(errors){
                        generateNotification('error', false, 'Por favor corrige los errores en los campos resaltados en rojo para poder continuar.');
                    }
                }
            }

            return jQueryValidatePluginOptions;

        },
        
        options: {
            errorMessages: null,
            rules: null,
            showNotification: true
        },

        // Validate form
        validateTheForm: function(){
            var self = this;

            var validateOpts = self.setValidationOptions();

            self.$elem.validate(validateOpts);
        }

    };
    
    $.fn.validateForm = function (option) {
        return this.each(function () {
            var $this = $(this),
                data = $this.data('validator');
        
            if (!data) $this.data('validator', (data = new Validator(options, this)))
            if (typeof option == 'string') data[option].call($this)
        });
    };

})(jQuery);