107 lines
2.2 KiB
PHP
107 lines
2.2 KiB
PHP
<?php
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namespace SilverStripe\Forms;
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use SilverStripe\ORM\ArrayLib;
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use SilverStripe\ORM\FieldType\DBField;
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use SilverStripe\ORM\DataObjectInterface;
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use SilverStripe\Core\Convert;
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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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class LookupField extends MultiSelectField {
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protected $schemaComponent = 'LookupField';
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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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$source = ArrayLib::flatten($this->getSource());
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$values = $this->getValueArray();
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// Get selected values
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$mapped = array();
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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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// 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($this->value && is_string($this->value) && empty($mapped)) {
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$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($mapped));
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$attrValue = Convert::raw2xml($attrValue);
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$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' => DBField::create_field('HTMLFragment', $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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* Ignore validation as the field is readonly
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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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* Stubbed so invalid data doesn't save into the DB
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*
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* @param DataObjectInterface $record DataObject to save data into
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*/
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public function saveInto(DataObjectInterface $record) {
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}
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/**
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* @return LookupField
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*/
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public function performReadonlyTransformation() {
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$clone = clone $this;
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return $clone;
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}
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public function getHasEmptyDefault() {
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return false;
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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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