silverstripe-framework/forms/EmailField.php

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<?php
/**
* Text field with Email Validation.
*/
class EmailField extends TextField {
function jsValidation() {
$formID = $this->form->FormName();
$jsFunc =<<<JS
Behaviour.register({
"#$formID": {
validateEmailField: function(fieldName) {
var el = _CURRENT_FORM.elements[fieldName];
if(!el || !el.value) return true;
if(el.value.match(/^([a-zA-Z0-9_+\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/)) {
return true;
} else {
validationError(el, "Please enter an email address.","validation");
return false;
}
}
}
});
JS;
Requirements::customScript($jsFunc, 'func_validateEmailField');
return "\$('$formID').validateEmailField('$this->name');";
}
function validate($validator){
$this->value = trim($this->value);
if($this->value && !ereg('^([a-zA-Z0-9_+\.\-]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$', $this->value)){
$validator->validationError($this->name,"Please enter an email address.","validation");
return false;
} else{
return true;
}
}
}
?>