/
ManyManyComplexTableField.php
75 lines (62 loc) · 2.71 KB
/
ManyManyComplexTableField.php
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<?php
/**
* Special ComplexTableField for editing a many_many relation.
* @package forms
* @subpackage fields-relational
*/
class ManyManyComplexTableField extends HasManyComplexTableField {
private $manyManyParentClass;
public $itemClass = 'ManyManyComplexTableField_Item';
function __construct($controller, $name, $sourceClass, $fieldList, $detailFormFields = null, $sourceFilter = "", $sourceSort = "", $sourceJoin = "") {
parent::__construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
$classes = array_reverse(ClassInfo::ancestry($this->controllerClass()));
foreach($classes as $class) {
$singleton = singleton($class);
$manyManyRelations = $singleton->uninherited('many_many', true);
if(isset($manyManyRelations) && array_key_exists($this->name, $manyManyRelations)) {
$this->manyManyParentClass = $class;
$manyManyTable = $class . '_' . $this->name;
break;
}
$belongsManyManyRelations = $singleton->uninherited( 'belongs_many_many', true );
if( isset( $belongsManyManyRelations ) && array_key_exists( $this->name, $belongsManyManyRelations ) ) {
$this->manyManyParentClass = $class;
$manyManyTable = $belongsManyManyRelations[$this->name] . '_' . $this->name;
break;
}
}
$tableClasses = ClassInfo::dataClassesFor($this->sourceClass);
$source = array_shift($tableClasses);
$sourceField = $this->sourceClass;
if($this->manyManyParentClass == $sourceField)
$sourceField = 'Child';
$parentID = $this->controller->ID;
$this->sourceJoin .= " LEFT JOIN `$manyManyTable` ON (`$source`.`ID` = `{$sourceField}ID` AND `{$this->manyManyParentClass}ID` = '$parentID')";
$this->joinField = 'Checked';
}
function getQuery() {
$query = parent::getQuery();
$query->select[] = "IF(`{$this->manyManyParentClass}ID` IS NULL, '0', '1') AS Checked";
return $query;
}
function getParentIdName($parentClass, $childClass) {
return $this->getParentIdNameRelation($parentClass, $childClass, 'many_many');
}
}
/**
* One record in a {@link ManyManyComplexTableField}.
* @package forms
* @subpackage fields-relational
*/
class ManyManyComplexTableField_Item extends ComplexTableField_Item {
function MarkingCheckbox() {
$name = $this->parent->Name() . '[]';
if($this->parent->IsReadOnly)
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
else if($this->item->{$this->parent->joinField})
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\"/>";
else
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\"/>";
}
}
?>