silverstripe-framework/forms/NumericField.php

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<?php
/**
* A Single Numeric field extending a typical
* TextField but with validation.
*/
class NumericField extends TextField{
function jsValidation() {
$formID = $this->form->FormName();
$jsFunc =<<<JS
Behaviour.register({
"#$formID": {
validateNumericField: function(fieldName) {
el = _CURRENT_FORM.elements[fieldName];
if(!el || !el.value) return true;
if(el.value.match(/^([0-9]+(\.[0-9]+)?$)/)) {
return true;
} else {
validationError(el, "'" + el.value + "' is not a number, only numbers can be accepted for this field","validation");
return false;
}
}
}
});
JS;
Requirements::customScript($jsFunc, 'func_validateNumericField');
//return "\$('$formID').validateNumericField('$this->name');";
return <<<JS
if(typeof fromAnOnBlur != 'undefined'){
if(fromAnOnBlur.name == '$this->name')
$('$formID').validateNumericField('$this->name');
}else{
$('$formID').validateNumericField('$this->name');
}
JS;
}
/** PHP Validation **/
function validate($validator){
if($this->value && !is_numeric($this->value)){
$validator->validationError($this->name,"'$this->value' is not a number, only numbers can be accepted for this field","validation");
return false;
} else{
return true;
}
}
function dataValue() {
return (is_numeric($this->value)) ? $this->value : 0;
}
}
?>