Custom Meta Data usage in Repository Objects needs to be registered in their respective module.xml by adding the xml attribute amet to the object element.
...
<objects>
<object ... id="grp" amet="1"
...
</objects>
...The responsible GUI class for presenting the main features like Settings Info-Screen should provide a meta data tab and forward the meta data related commands to ilObjectMetaDataGUI.
/*
* ...
* @ilCtrl_Calls ilObjGroupGUI:ilObjectMetaDataGUI
* ...
*/
class ilObjXXXGUI extends ilObject2GUI
{
// Add meta data tab
/**
* @inheritdoc
*/
protected function getTabs()
{
global $DIC;
if ($DIC->access()->checkAccess('write','',$this->ref_id))
{
$mdgui = new ilObjectMetaDataGUI($this->object);
$mdtab = $mdgui->getTab();
if($mdtab !== null)
{
$this->tabs_gui->addTab(
"meta_data",
$DIC->language()->txt('meta_data'),
$mdtab,
"",
"ilobjectmetadatagui"
);
}
}
}
//...
// forward to meta data gui
public function executeCommand()
{
// ...
switch($next_class) {
case 'ilobjectmetadatagui';
$this->tabs_gui->activateTab('meta_data');
$md_gui = new ilObjectMetaDataGUI($this->object);
$this->ctrl->forwardCommand($md_gui);
break;
}
}
}