66 lines
1.8 KiB
PHP
66 lines
1.8 KiB
PHP
<?php
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namespace SilverStripe\Forms;
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use SilverStripe\ORM\FieldType\DBCurrency;
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/**
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* Renders a text field, validating its input as a currency.
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* Limited to US-centric formats, including a hardcoded currency
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* symbol and decimal separators.
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* See {@link MoneyField} for a more flexible implementation.
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*
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* @todo Add localization support, see http://open.silverstripe.com/ticket/2931
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*/
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class CurrencyField extends TextField {
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/**
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* allows the value to be set. removes the first character
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* if it is not a number (probably a currency symbol)
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*
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* @param mixed $val
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* @return $this
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*/
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public function setValue($val) {
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if(!$val) $val = 0.00;
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$this->value = DBCurrency::config()->get('currency_symbol')
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. number_format((double)preg_replace('/[^0-9.\-]/', '', $val), 2);
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return $this;
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}
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/**
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* Overwrite the datavalue before saving to the db ;-)
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* return 0.00 if no value, or value is non-numeric
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*/
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public function dataValue() {
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if($this->value) {
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return preg_replace('/[^0-9.\-]/','', $this->value);
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} else {
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return 0.00;
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}
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}
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public function Type() {
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return 'currency text';
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}
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/**
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* Create a new class for this field
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*/
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public function performReadonlyTransformation() {
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return $this->castedCopy('SilverStripe\\Forms\\CurrencyField_Readonly');
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}
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public function validate($validator) {
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$currencySymbol = preg_quote(DBCurrency::config()->get('currency_symbol'));
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$regex = '/^\s*(\-?'.$currencySymbol.'?|'.$currencySymbol.'\-?)?(\d{1,3}(\,\d{3})*|(\d+))(\.\d{2})?\s*$/';
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if (!empty($this->value) && !preg_match($regex, $this->value)) {
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$validator->validationError(
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$this->name,
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_t('Form.VALIDCURRENCY', "Please enter a valid currency"),
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"validation"
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);
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return false;
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}
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return true;
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}
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}
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