mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-09-19 07:56:38 +02:00
9872fbef4d
API Refactor ClassName into DBClassName API Update PolymorphicForeignKey to use new CompositeDBField and DBClassName CompositeDBField is now an interface to nested fields on an underlying dataobject, allowing field manipulation to be performed at the field and dataobject level without having to synchronise them manually.
67 lines
1.9 KiB
PHP
67 lines
1.9 KiB
PHP
<?php
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/**
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* A special type Int field used for foreign keys in has_one relationships.
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* @uses ImageField
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* @uses SimpleImageField
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* @uses FileIFrameField
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* @uses DropdownField
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*
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* @param string $name
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* @param DataObject $object The object that the foreign key is stored on (should have a relation with $name)
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*
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* @package framework
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* @subpackage model
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*/
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class ForeignKey extends Int {
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/**
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* @var DataObject
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*/
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protected $object;
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private static $default_search_filter_class = 'ExactMatchFilter';
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public function __construct($name, $object = null) {
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$this->object = $object;
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parent::__construct($name);
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}
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public function scaffoldFormField($title = null, $params = null) {
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if(empty($this->object)) {
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return null;
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}
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$relationName = substr($this->name,0,-2);
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$hasOneClass = $this->object->hasOneComponent($relationName);
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if($hasOneClass && singleton($hasOneClass) instanceof Image) {
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$field = new UploadField($relationName, $title);
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$field->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif'));
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} elseif($hasOneClass && singleton($hasOneClass) instanceof File) {
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$field = new UploadField($relationName, $title);
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} else {
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$titleField = (singleton($hasOneClass)->hasField('Title')) ? "Title" : "Name";
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$list = DataList::create($hasOneClass);
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// Don't scaffold a dropdown for large tables, as making the list concrete
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// might exceed the available PHP memory in creating too many DataObject instances
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if($list->count() < 100) {
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$field = new DropdownField($this->name, $title, $list->map('ID', $titleField));
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$field->setEmptyString(' ');
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} else {
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$field = new NumericField($this->name, $title);
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}
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}
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return $field;
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}
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public function setValue($value, $record = null, $markChanged = true) {
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if($record instanceof DataObject) {
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$this->object = $record;
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}
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parent::setValue($value, $record, $markChanged);
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}
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}
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