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BUGFIX: Fixed resolution of amibiguous has_many foreign keys in ComplexTableField to use the same logic as DataObject (from r88945)

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@89203 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2009-10-15 22:38:57 +00:00
parent 9809c0164f
commit 5ec83b9bd0
1 changed files with 7 additions and 6 deletions
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13
forms/ComplexTableField.php
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@ -427,16 +427,17 @@ JS;
/**
* Returns the db-fieldname of the currently used relationship.
* Note: constructed resolve ambiguous cases in the same manner as
* DataObject::getComponentJoinField()
*/
function getParentIdNameRelation($parentClass, $childClass, $relation) {
if($this->parentIdName) return $this->parentIdName;
$relations = singleton($parentClass)->$relation();
$classes = ClassInfo::ancestry($childClass);
if($relations) {
foreach($relations as $k => $v) {
if(array_key_exists($v, $classes)) return $k . 'ID';
}
$relations = array_flip(singleton($parentClass)->$relation());
$classes = array_reverse(ClassInfo::ancestry($childClass));
foreach($classes as $class) {
if(isset($relations[$class])) return $relations[$class] . 'ID';
}
return false;
}