/*

* Really easy field validation with Prototype

* http://tetlaw.id.au/view/javascript/really-easy-field-validation

* Andrew Tetlaw

* Version 1.5.4.1 (2007-01-05)

* 

* Copyright (c) 2007 Andrew Tetlaw

* Permission is hereby granted, free of charge, to any person

* obtaining a copy of this software and associated documentation

* files (the "Software"), to deal in the Software without

* restriction, including without limitation the rights to use, copy,

* modify, merge, publish, distribute, sublicense, and/or sell copies

* of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

* 

* The above copyright notice and this permission notice shall be

* included in all copies or substantial portions of the Software.

* 

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

* SOFTWARE.

* 

*/

var Validator = Class.create();



Validator.prototype = {

    initialize : function(className, error, test, options) {

        if(typeof test == 'function'){

            this.options = $H(options);

            this._test = test;

        } else {

            this.options = $H(test);

            this._test = function(){return true};

        }

        this.error = error || 'Validation failed.';

        this.className = className;

    },

    test : function(v, elm) {

        return (this._test(v,elm) && this.options.all(function(p){

            return Validator.methods[p.key] ? Validator.methods[p.key](v,elm,p.value) : true;

        }));

    }

}

Validator.methods = {

    pattern : function(v,elm,opt) {return Validation.get('IsEmpty').test(v) || opt.test(v)},

    minLength : function(v,elm,opt) {return v.length >= opt},

    maxLength : function(v,elm,opt) {return v.length <= opt},

    min : function(v,elm,opt) {return v >= parseFloat(opt)}, 

    max : function(v,elm,opt) {return v <= parseFloat(opt)},

    notOneOf : function(v,elm,opt) {return $A(opt).all(function(value) {

        return v != value;

    })},

    oneOf : function(v,elm,opt) {return $A(opt).any(function(value) {

        return v == value;

    })},

    is : function(v,elm,opt) {return v == opt},

    isNot : function(v,elm,opt) {return v != opt},

    equalToField : function(v,elm,opt) {return v == $F(opt)},

    notEqualToField : function(v,elm,opt) {return v != $F(opt)},

    include : function(v,elm,opt) {return $A(opt).all(function(value) {

        return Validation.get(value).test(v,elm);

    })}

}



var Validation = Class.create();



Validation.prototype = {

    initialize : function(form, options){

        this.options = Object.extend({

            onSubmit : true,

            stopOnFirst : false,

            immediate : false,

            focusOnError : true,

            useTitles : false,

            onFormValidate : function(result, form) {},

            onElementValidate : function(result, elm) {}

        }, options || {});

        this.form = $(form);

        if(this.options.onSubmit) Event.observe(this.form,'submit',this.onSubmit.bind(this),false);

        if(this.options.immediate) {

            var useTitles = this.options.useTitles;

            var callback = this.options.onElementValidate;

            Form.getElements(this.form).each(function(input) { // Thanks Mike!

                Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev),{useTitle : useTitles, onElementValidate : callback}); });

            });

        }

    },

    onSubmit :  function(ev){

        if(!this.validate()) Event.stop(ev);

    },

    validate : function() {

        var result = false;

        var useTitles = this.options.useTitles;

        var callback = this.options.onElementValidate;

        if(this.options.stopOnFirst) {

            result = Form.getElements(this.form).all(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); });

        } else {

            result = Form.getElements(this.form).collect(function(elm) { return Validation.validate(elm,{useTitle : useTitles, onElementValidate : callback}); }).all();

        }

        if(!result && this.options.focusOnError) {

            Form.getElements(this.form).findAll(function(elm){return $(elm).hasClassName('validation-failed')}).first().focus()

        }

        this.options.onFormValidate(result, this.form);

        return result;

    },

    reset : function() {

        Form.getElements(this.form).each(Validation.reset);

    }

}



Object.extend(Validation, {

    validate : function(elm, options){

        options = Object.extend({

            useTitle : false,

            onElementValidate : function(result, elm) {}

        }, options || {});

        elm = $(elm);

        var cn = elm.classNames();

        return result = cn.all(function(value) {

            var test = Validation.test(value,elm,options.useTitle);

            options.onElementValidate(test, elm);

            return test;

        });

    },

    test : function(name, elm, useTitle) {

        var v = Validation.get(name);

        var prop = '__advice'+name.camelize();

        try {

        if(Validation.isVisible(elm) && !v.test($F(elm), elm)) {

            if(!elm[prop]) {

                var advice = Validation.getAdvice(name, elm);

                if(advice == null) {

                    var errorMsg = useTitle ? ((elm && elm.title) ? elm.title : v.error) : v.error;

                    advice = '<div class="validation-advice" id="advice-' + name + '-' + Validation.getElmID(elm) +'" style="display:none">' + errorMsg + '</div>'

                    switch (elm.type.toLowerCase()) {

                        case 'checkbox':

                        case 'radio':

                            var p = elm.parentNode;

                            if(p) {

                                new Insertion.Bottom(p, advice);

                            } else {

                                new Insertion.After(elm, advice);

                            }

                            break;

                        default:

                            new Insertion.After(elm, advice);

                    }

                    advice = Validation.getAdvice(name, elm);

                }

                if(typeof Effect == 'undefined') {

                    advice.style.display = 'block';

                } else {

                    new Effect.Appear(advice, {duration : 1 });

                }

            }

            elm[prop] = true;

            elm.removeClassName('validation-passed');

            elm.addClassName('validation-failed');

            return false;

        } else {

            var advice = Validation.getAdvice(name, elm);

            if(advice != null) advice.hide();

            elm[prop] = '';

            elm.removeClassName('validation-failed');

            elm.addClassName('validation-passed');

            return true;

        }

        } catch(e) {

            throw(e)

        }

    },

    isVisible : function(elm) {

        while(elm.tagName != 'BODY') {

            if(!$(elm).visible()) return false;

            elm = elm.parentNode;

        }

        return true;

    },

    getAdvice : function(name, elm) {

        return $('advice-' + name + '-' + Validation.getElmID(elm)) || $('advice-' + Validation.getElmID(elm));

    },

    getElmID : function(elm) {

        return elm.id ? elm.id : elm.name;

    },

    reset : function(elm) {

        elm = $(elm);

        var cn = elm.classNames();

        cn.each(function(value) {

            var prop = '__advice'+value.camelize();

            if(elm[prop]) {

                var advice = Validation.getAdvice(value, elm);

                advice.hide();

                elm[prop] = '';

            }

            elm.removeClassName('validation-failed');

            elm.removeClassName('validation-passed');

        });

    },

    add : function(className, error, test, options) {

        var nv = {};

        nv[className] = new Validator(className, error, test, options);

        Object.extend(Validation.methods, nv);

    },

    addAllThese : function(validators) {

        var nv = {};

        $A(validators).each(function(value) {

                nv[value[0]] = new Validator(value[0], value[1], value[2], (value.length > 3 ? value[3] : {}));

            });

        Object.extend(Validation.methods, nv);

    },

    get : function(name) {

        return  Validation.methods[name] ? Validation.methods[name] : Validation.methods['_LikeNoIDIEverSaw_'];

    },

    methods : {

        '_LikeNoIDIEverSaw_' : new Validator('_LikeNoIDIEverSaw_','',{})

    }

});



Validation.add('IsEmpty', '', function(v) {

                return  ((v == null) || (v.length == 0)); // || /^\s+$/.test(v));

            });



Validation.addAllThese([

    ['required', 'Обязательное поле.', function(v) {

                return !Validation.get('IsEmpty').test(v);

            }],

    ['validate-number', 'Please enter a valid number in this field.', function(v) {

                return Validation.get('IsEmpty').test(v) || (!isNaN(v) && !/^\s+$/.test(v));

            }],

    ['validate-digits', 'Пожалуйста укажите только цифры с кодом города', function(v) {

                return Validation.get('IsEmpty').test(v) ||  !/[^\d]/.test(v);

            }],

    ['validate-alpha', 'Please use letters only (a-z) in this field.', function (v) {

                return Validation.get('IsEmpty').test(v) ||  /^[a-zA-Z]+$/.test(v)

            }],

    ['validate-alphanum', 'Please use only letters (a-z) or numbers (0-9) only in this field. No spaces or other characters are allowed.', function(v) {

                return Validation.get('IsEmpty').test(v) ||  !/\W/.test(v)

            }],

    ['validate-date', 'Please enter a valid date.', function(v) {

                var test = new Date(v);

                return Validation.get('IsEmpty').test(v) || !isNaN(test);

            }],

    ['validate-email', 'Пожалуйста введите адрес email верно. Например fred@domain.com .', function (v) {

                return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)

            }],

    ['validate-url', 'Please enter a valid URL.', function (v) {

                return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)

            }],

    ['validate-date-au', 'Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006.', function(v) {

                if(Validation.get('IsEmpty').test(v)) return true;

                var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;

                if(!regex.test(v)) return false;

                var d = new Date(v.replace(regex, '$2/$1/$3'));

                return ( parseInt(RegExp.$2, 10) == (1+d.getMonth()) ) && 

                            (parseInt(RegExp.$1, 10) == d.getDate()) && 

                            (parseInt(RegExp.$3, 10) == d.getFullYear() );

            }],

    ['validate-currency-dollar', 'Please enter a valid $ amount. For example $100.00 .', function(v) {

                // [$]1[##][,###]+[.##]

                // [$]1###+[.##]

                // [$]0.##

                // [$].##

                return Validation.get('IsEmpty').test(v) ||  /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.test(v)

            }],

    ['validate-selection', 'Please make a selection', function(v,elm){

                return elm.options ? elm.selectedIndex > 0 : !Validation.get('IsEmpty').test(v);

            }],

    ['validate-one-required', 'Please select one of the above options.', function (v,elm) {

                var p = elm.parentNode;

                var options = p.getElementsByTagName('INPUT');

                return $A(options).any(function(elm) {

                    return $F(elm);

                });

            }]

]);