mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
109 lines
2.2 KiB
PHP
109 lines
2.2 KiB
PHP
<?php
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/**
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* Read-only complement of {@link DropdownField}.
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*
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* Shows the "human value" of the dropdown field for the currently selected
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* value.
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*
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* @package forms
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* @subpackage fields-basic
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*/
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class LookupField extends DropdownField {
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/**
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* @var boolean $readonly
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*/
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protected $readonly = true;
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/**
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* Returns a readonly span containing the correct value.
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*
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* @param array $properties
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*
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* @return string
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*/
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public function Field($properties = array()) {
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$source = $this->getSource();
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// Normalize value to array to simplify further processing
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if(is_array($this->value) || is_object($this->value)) {
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$values = $this->value;
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} else {
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$values = array(trim($this->value));
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}
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$mapped = array();
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if($source instanceof SQLMap) {
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foreach($values as $value) {
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$mapped[] = $source->getItem($value);
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}
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} else if($source instanceof ArrayAccess || is_array($source)) {
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$source = ArrayLib::flatten($source);
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foreach($values as $value) {
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if(isset($source[$value])) {
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$mapped[] = $source[$value];
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}
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}
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} else {
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$mapped = array();
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}
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// Don't check if string arguments are matching against the source,
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// as they might be generated HTML diff views instead of the actual values
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if($this->value && !is_array($this->value) && !$mapped) {
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$mapped = array(trim($this->value));
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$values = array();
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}
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if($mapped) {
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$attrValue = implode(', ', array_values($mapped));
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if(!$this->dontEscape) {
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$attrValue = Convert::raw2xml($attrValue);
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}
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$inputValue = implode(', ', array_values($values));
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} else {
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$attrValue = '<i>('._t('FormField.NONE', 'none').')</i>';
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$inputValue = '';
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}
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$properties = array_merge($properties, array(
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'AttrValue' => $attrValue,
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'InputValue' => $inputValue
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));
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return parent::Field($properties);
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}
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/**
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* Validate this field
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*
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* @param Validator $validator
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* @return bool
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*/
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public function validate($validator) {
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return true;
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}
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/**
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* @return LookupField
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*/
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public function performReadonlyTransformation() {
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$clone = clone $this;
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return $clone;
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}
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/**
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* @return string
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*/
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public function Type() {
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return "lookup readonly";
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}
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}
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