/* * 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 = '
' + errorMsg + '
' 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', 'This is a required field', 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+$/.test(v)); }], ['validate-digits', 'Please use numbers only in this field. please avoid spaces or other characters such as dots or commas', function(v) { return Validation.get('IsEmpty').test(v) || !/[^\d]/.test(v); }], ['validate-alpha', 'Please use letters only (a-z) in this field', function (v) { return Validation.get('IsEmpty').test(v) || /^[a-zA-Z\-' öäüÖÄÜß]+$/.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', 'Please enter a valid email address ([email protected])', function (v) { return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v) }], ['validate-url', 'Please enter a valid URL (http://www.test.com)', function (v) { return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v) }], ['validate-date-au', 'Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006', function(v) { if(Validation.get('IsEmpty').test(v)) return true; var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/; 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); }); }] ]);