silverstripe-framework/forms/gridfield/GridFieldLevelup.php

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<?php
class GridFieldLevelup implements GridField_HTMLProvider{
/**
* @var integer - the record id of the level up to
*/
protected $levelID = null;
/**
*
* @param integer $levelID - the record id of the level up to
*/
public function __construct($levelID = null) {
if($levelID && is_numeric($levelID)) {
$this->levelID = $levelID;
}
}
public function getHTMLFragments($gridField) {
$modelClass = $gridField->getModelClass();
if(isset($_GET['ParentID']) && $_GET['ParentID']){
$modelObj = DataObject::get_by_id($modelClass, $_GET['ParentID']);
if(is_callable(array($modelObj, 'getParent'))){
$levelup = $modelObj->getParent();
if(!$levelup){
$parentID = 0;
}else{
$parentID = $levelup->ID;
}
}
//$controller = $gridField->getForm()->Controller();
$forTemplate = new ArrayData(array(
'UpLink' => sprintf(
'<a class="cms-panel-link list-parent-link" href="?ParentID=%d&view=list" data-pjax-target="ListViewForm,Breadcrumbs">%s</a>',
$parentID,
_t('GridField.LEVELUP', 'Level up' )
),
));
return array(
'before' => $forTemplate->renderWith('GridFieldLevelup'),
//'header' => $forTemplate->renderWith('GridFieldLevelup_Row'),
);
}
}
}
?>