silverstripe-framework/forms/NumericField.php

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<?php
/**
* Text input field with validation for numeric values. Supports validating
* the numeric value as to the {@link i18n::get_locale()} value.
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*
* @package forms
* @subpackage fields-formattedinput
*/
class NumericField extends TextField {
public function Type() {
return 'numeric text';
}
public function getAttributes() {
return array_merge(parent::getAttributes(), array(
'type' => 'number',
'step' => 'any' // allows entering float/decimal numbers like "1.2" instead of just integers
));
}
public function validate($validator) {
if(!$this->value && !$validator->fieldIsRequired($this->name)) {
return true;
}
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require_once THIRDPARTY_PATH."/Zend/Locale/Format.php";
$valid = Zend_Locale_Format::isNumber(
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trim($this->value),
array('locale' => i18n::get_locale())
);
if(!$valid) {
$validator->validationError(
$this->name,
_t(
'NumericField.VALIDATION', "'{value}' is not a number, only numbers can be accepted for this field",
array('value' => $this->value)
),
"validation"
);
return false;
}
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return true;
}
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public function dataValue() {
return (is_numeric($this->value)) ? $this->value : 0;
}
}