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function isValidEmail(email) { return /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(email); } | |
var InputValidator = new Class({ | |
options: { | |
errorColor: 'red', | |
errorClass: 'error_text', | |
ignoreDisabled: false, | |
auxElementPadding: '1em' | |
}, | |
/* | |
Function: initialize | |
Arguments: | |
element - the element to error check | |
type - the type of error checking to perform (zip, email) | |
errorMessage - the error message to display | |
*/ | |
initialize: function(options) { | |
this.setOptions(options); | |
// make sure the target element is extended | |
this.options.element = $(this.options.element); | |
// attach events to auto-eliminate the error messages | |
// input[type=password], select, and file ALWAYS use aux field | |
if(this.options.element.get('tag') == "select" || | |
(this.options.element.get('tag') == "input" && this.options.element.get('type') == "password")) { | |
this.options.element.addEvent('change', function() { | |
if(this.options.element.get('value')) { | |
if(this.options.errorElement) this.options.errorElement.setHTML(''); | |
} | |
}.bind(this)); | |
this.useAux = true; | |
} else if(this.options.element.get('tag') == "input" && this.options.element.get('type') == "file") { | |
this.useAux = true; | |
} else { | |
this.options.element.addEvent('focus', function(event) { | |
event = new Event(event); | |
if(event.target.getStyle('color') == this.options.errorColor) { | |
event.target.setStyle('color', 'black'); | |
event.target.value = event.target.retrieve('_value'); | |
} | |
}.bind(this)); | |
this.useAux = false; | |
} | |
}, | |
test: function() { | |
var isInvalid = false; | |
if(this.options.ignoreDisabled && this.options.element.disabled == true) { | |
return true; | |
} | |
switch(this.options.type) { | |
case "email": | |
if(!isValidEmail(this.options.element.get('value'))) { | |
isInvalid = true; | |
} | |
break; | |
case "zip": | |
if(this.options.element.get('value').length < 5 || this.options.element.get('value') == this.options.errorMessage) { | |
isInvalid = true; | |
} | |
break; | |
default: | |
if(this.options.element.get('tag') == "textarea") { | |
isInvalid = this.options.element.value.length == 0 || this.options.element.value == this.options.errorMessage; | |
} else if(this.options.element.get('tag') == "input" && this.options.element.getAttribute('type') == "file") { | |
isInvalid = this.options.element.value.length == 0; | |
} else if(this.options.element.get('value').length == 0 || this.options.element.get('value') == this.options.errorMessage) { | |
isInvalid = true; | |
} | |
break; | |
} | |
if(!isInvalid && this.options.confirmElement) { | |
if(this.options.element.get('value') != this.options.confirmElement.get('value')) | |
isInvalid = true; | |
} | |
if(!isInvalid) { | |
return true; | |
} | |
var tagName = this.options.element.get('tag'); | |
if(!this.useAux) { | |
this.options.element.setStyle('color', this.options.errorColor); | |
if(this.options.element.get('tag') == "textarea") { | |
this.options.element.set('html', this.options.errorMessage); | |
} else { | |
if(this.options.element.get('value') != this.options.errorMessage) { | |
this.options.element.store('_value', this.options.element.get('value')); | |
this.options.element.set('value', this.options.errorMessage); | |
} | |
} | |
} else { | |
if(!Browser.Engine.trident4) { | |
if(!this.options.errorElement) { | |
this.options.errorElement = new Element("span", { | |
'class': this.options.errorClass, | |
'styles': { | |
'padding-left':this.options.auxElementPadding}, | |
'html':' ' | |
} | |
); | |
this.options.errorElement.injectAfter(this.options.element); | |
} | |
this.options.errorElement.set('html', this.options.errorMessage); | |
} | |
} | |
return false; | |
} | |
}); | |
InputValidator.implement(new Options); | |
// auto validator storage | |
var _forms = {} | |
var _validators = {}; | |
var _labels = {}; | |
// elementID: the id to search through for form elements with class="required" | |
// validatorOptions: options to be passed to each individual validator | |
function createInputValidators(elementID, globalValidatorOptions) { | |
// find all forms or zero in on that one form | |
$$(elementID ? '#' + elementID : 'form').each(function(formElement) { | |
formName = formElement.getProperty("id") ? formElement.getProperty("id") : formElement.getProperty("name"); | |
_validators[formName] = {}; | |
_labels[formName] = []; | |
_forms[formName] = formElement; | |
formElement.getElements("label").each(function(formLabel) { | |
var key = formLabel.getProperty("for") ? formLabel.getProperty("for") : formLabel.get("text").toLowerCase().split(" ").join("_"); | |
_labels[formName][key] = formLabel; | |
}); | |
// attach the class 'required' to input/select elements to automatically create a InputValidator | |
// for them. Use the alt tag to specify a custom error message | |
formElement.getElements(".required").each(function(inputElement) { | |
var name = inputElement.getProperty('name'); | |
var type = ''; | |
var localValidatorOptions = { | |
element:inputElement | |
}; | |
// add a required * to each element that is required | |
var asterisk = new Element('span', { | |
'class':'error_text', | |
'html':'*', | |
'styles':{'font-size':'1.1em'} | |
}); | |
// we dont want it on the right side anymore | |
// if we have an label insert a * on left side (the 'top') | |
if(_labels[formName][name]) asterisk.injectTop(_labels[formName][name]); | |
// try to guess the type | |
if(name.indexOf('email') != -1) { | |
localValidatorOptions.type = 'email'; | |
} else if(name.indexOf('date')) { | |
} | |
// check if it is a 'confirm' field | |
if(name.indexOf('confirm_') == 0) { | |
localValidatorOptions.confirmElement = _validators[formName]['email'].options.element; | |
} | |
var errorString = ''; | |
if(errorString = inputElement.getProperty('alt')) { | |
// then an error string was determined for us | |
} else { | |
// then determine the error string | |
// convert underscores to spaces | |
name = name.split("_").join(" "); | |
// change the error message for select elements | |
if(inputElement.get('tag') == "select") { | |
errorString = " Please select a " + name + "..."; | |
} else { | |
errorString = "Enter a " + name + "..."; | |
} | |
} | |
localValidatorOptions.errorMessage = errorString; | |
_validators[formName][name] = new InputValidator($merge( | |
globalValidatorOptions, | |
localValidatorOptions | |
)); | |
}); | |
}); | |
return _validators; | |
} | |
function linkDisabledState(sourceElement, conditionalElement) { | |
sourceElement.addEvent('click', function(evn) { | |
conditionalElement.disabled = !evn.target.checked; | |
}); | |
conditionalElement.disabled = !sourceElement.checked; | |
} | |
function autoValidateForms() { | |
$each(_forms, function(formElement, formName) { | |
formElement.addEvent("submit", function(e) { | |
new Event(e).stop(); | |
var valid = true; | |
$each(_validators[formName], function(elementValidator) { | |
valid &= elementValidator.test(); | |
}); | |
if(valid) | |
this.set('send', {}).submit() | |
}) | |
}) | |
} |
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