public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
if (!$gridField->State->GridFieldAddRelation) {
return $dataList;
}
$objectID = Convert::raw2sql($gridField->State->GridFieldAddRelation);
if ($objectID) {
$object = DataObject::get_by_id($dataList->dataclass(), $objectID);
if ($object) {
$dataList->add($object);
}
}
$gridField->State->GridFieldAddRelation = null;
return $dataList;
}
/**
* If an object ID is set, add the object to the list
*
* @param GridField $gridField
* @param SS_List $dataList
* @return SS_List
*/
public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
if (!$gridField->State->GridFieldAddRelation) {
return $dataList;
}
$objectID = Convert::raw2sql($gridField->State->GridFieldAddRelation);
if ($objectID) {
$object = DataObject::get_by_id($dataList->dataclass(), $objectID);
if ($object) {
$virtual = new ElementVirtualLinked();
$virtual->LinkedElementID = $object->ID;
$virtual->write();
$dataList->add($virtual);
}
}
$gridField->State->GridFieldAddRelation = null;
return $dataList;
}
/**
* If an object ID is set, add the object to the list
*
* @param GridField $gridField
* @param SS_List $dataList
* @return SS_List
*/
public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
if (!$gridField->State->GridFieldAddRelation) {
return $dataList;
}
$objectID = Convert::raw2sql($gridField->State->GridFieldAddRelation);
if ($objectID) {
$object = DataObject::get_by_id($dataList->dataclass(), $objectID);
if ($object) {
if ($this->_item_limit > 0 && $dataList->count() + 1 > $this->_item_limit) {
$gridField->getForm()->getController()->getResponse()->addHeader('X-Status', _t('LimitedRelationsGridField.ITEM_LIMIT_REACHED', '_You cannot add any more items, you can only add {count} items. Please remove one then try again.', array('count' => $this->_item_limit)));
} else {
$dataList->add($object);
}
}
}
$gridField->State->GridFieldAddRelation = null;
return $dataList;
}
/**
* If an object ID is set, add the object to the list
*
* @param GridField $gridField
* @param SS_List $dataList
* @return SS_List
*/
public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
if (!$gridField->State->GridFieldAddRelation) {
return $dataList;
}
$objectID = Convert::raw2sql($gridField->State->GridFieldAddRelation);
if ($objectID) {
$object = DataObject::get_by_id($dataList->dataclass(), $objectID);
if ($object) {
// if the object is currently not linked to either a page or another list then we want to link to
// the original, otherwise link to a clone
if (!$object->ParentID && !$object->ListID) {
$dataList->add($object);
} else {
$virtual = new ElementVirtualLinked();
$virtual->LinkedElementID = $object->ID;
$virtual->write();
$dataList->add($virtual);
}
}
}
$gridField->State->GridFieldAddRelation = null;
return $dataList;
}
/**
* This method returns a copy of this list that does not contain any DataObjects that exists in $list
*
* The $list passed needs to contain the same dataclass as $this
*
* @param SS_List $list
* @return DataList
* @throws BadMethodCallException
*/
public function subtract(SS_List $list)
{
if ($this->dataclass() != $list->dataclass()) {
throw new InvalidArgumentException('The list passed must have the same dataclass as this class');
}
return $this->alterDataQuery(function ($query) use($list) {
$query->subtract($list->dataQuery());
});
}
/**
* This method returns a list does not contain any DataObjects that exists in $list
*
* It does not return the resulting list, it only adds the constraints on the database to exclude
* objects from $list.
* The $list passed needs to contain the same dataclass as $this
*
* @param SS_List $list
* @return DataList
* @throws BadMethodCallException
*/
public function subtract(SS_List $list)
{
if ($this->dataclass() != $list->dataclass()) {
throw new InvalidArgumentException('The list passed must have the same dataclass as this class');
}
$newlist = clone $this;
$newlist->dataQuery->subtract($list->dataQuery());
return $newlist;
}
/**
* If an object ID is set, add the object to the list
*
* @param GridField $gridField
* @param SS_List $dataList
* @return SS_List
*/
public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
$objectID = $gridField->State->GridFieldAddRelation(null);
if (empty($objectID)) {
return $dataList;
}
$object = DataObject::get_by_id($dataList->dataclass(), $objectID);
if ($object) {
$dataList->add($object);
}
$gridField->State->GridFieldAddRelation = null;
return $dataList;
}
