mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
68 lines
2.3 KiB
PHP
68 lines
2.3 KiB
PHP
<?php
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/**
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* CreditCard field, contains validation and formspec for creditcard fields.
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* @package forms
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* @subpackage fields-formattedinput
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*/
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class CreditCardField extends TextField {
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function Field($properties = array()) {
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$parts = $this->value;
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if(!is_array($parts)) $parts = explode("\n", chunk_split($parts,4,"\n"));
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$parts = array_pad($parts, 4, "");
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// TODO Mark as disabled/readonly
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$field = "<span id=\"{$this->name}_Holder\" class=\"creditCardField\">" .
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"<input autocomplete=\"off\" name=\"{$this->name}[0]\" value=\"$parts[0]\" maxlength=\"4\"" . $this->getTabIndexHTML(0) . " /> - " .
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"<input autocomplete=\"off\" name=\"{$this->name}[1]\" value=\"$parts[1]\" maxlength=\"4\"" . $this->getTabIndexHTML(1) . " /> - " .
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"<input autocomplete=\"off\" name=\"{$this->name}[2]\" value=\"$parts[2]\" maxlength=\"4\"" . $this->getTabIndexHTML(2) . " /> - " .
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"<input autocomplete=\"off\" name=\"{$this->name}[3]\" value=\"$parts[3]\" maxlength=\"4\"" . $this->getTabIndexHTML(3) . " /></span>";
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return $field;
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}
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/**
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* Get tabindex HTML string
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*
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* @param int $increment Increase current tabindex by this value
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* @return string
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*/
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protected function getTabIndexHTML($increment = 0) {
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$tabIndex = (int)$this->getAttribute('tabindex') + (int)$increment;
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return (is_numeric($tabIndex)) ? ' tabindex = "' . $tabIndex . '"' : '';
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}
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function dataValue() {
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if(is_array($this->value)) return implode("", $this->value);
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else return $this->value;
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}
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function validate($validator){
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// If the field is empty then don't return an invalidation message
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if(!trim(implode("", $this->value))) return true;
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$i=0;
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if($this->value) foreach($this->value as $part){
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if(!$part || !(strlen($part) == 4) || !preg_match("/([0-9]{4})/", $part)){
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switch($i){
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case 0: $number = _t('CreditCardField.FIRST', 'first'); break;
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case 1: $number = _t('CreditCardField.SECOND', 'second'); break;
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case 2: $number = _t('CreditCardField.THIRD', 'third'); break;
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case 3: $number = _t('CreditCardField.FOURTH', 'fourth'); break;
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}
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$validator->validationError(
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$this->name,
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_t(
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'Form.VALIDATIONCREDITNUMBER',
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"Please ensure you have entered the {number} credit card number correctly.",
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array('number' => $number)
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),
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"validation",
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false
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);
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return false;
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}
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$i++;
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}
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}
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}
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