// ======================================================================
// Object destruction.
// ----------------------------------------------------------------------
public static bool DeleteObject(iCS_EditorObject obj)
{
#if SHOW_DEBUG
Debug.Log("iCanScript: Deleting => " + obj.DisplayName);
#endif
if (obj == null)
{
return(false);
}
if (!IsDeletionAllowed())
{
return(false);
}
if (!obj.CanBeDeleted())
{
ShowNotification("Port cannot be deleted=> " + obj.FullName);
return(false);
}
var name = obj.DisplayName;
var iStorage = obj.IStorage;
OpenTransaction(iStorage);
if (obj.IsInstanceNodePort)
{
try {
iStorage.AnimateGraph(null,
_ => {
iStorage.SelectedObject = obj.ParentNode;
SystemEvents.AnnounceVisualScriptElementWillBeRemoved(obj);
iStorage.PropertiesWizardDestroyAllObjectsAssociatedWithPort(obj);
iStorage.ForcedRelayoutOfTree();
}
);
}
catch (System.Exception) {
CancelTransaction(iStorage);
return(false);
}
CloseTransaction(iStorage, "Delete " + name);
return(true);
}
// TODO: Should animate parent node on node delete.
try {
iStorage.AnimateGraph(null,
_ => {
// Move the selection to the parent node
var parent = obj.ParentNode;
iStorage.SelectedObject = parent;
SystemEvents.AnnounceVisualScriptElementWillBeRemoved(obj);
iStorage.DestroyInstance(obj.InstanceId);
iStorage.ForcedRelayoutOfTree();
}
);
}
catch (System.Exception) {
CancelTransaction(iStorage);
return(false);
}
CloseTransaction(iStorage, "Delete " + name);
return(true);
}
// ----------------------------------------------------------------------
void SelectedPortMenu(iCS_EditorObject port, iCS_IStorage storage)
{
iCS_MenuContext[] menu = new iCS_MenuContext[1];
menu[0] = new iCS_MenuContext(ShowHierarchyStr);
// Allow to delete a port if its parent is a module.
if (port.CanBeDeleted())
{
AddDeleteMenuItem(ref menu);
}
ShowMenu(menu, port, storage);
}