return new RemoveGroup(null);
return ActionsList.getAction("RemoveGroup");
	private Action getActionButton(String nameButton, String type) {				if (type.compareTo("TYPE_SUBJECTS") ==0) {						if(nameButton.compareTo("newButton") == 0) {				return new AddSubject(null);			}						else if(nameButton.compareTo("modifyButton") == 0) {				return new ModifySubject(null);			}						else if(nameButton.compareTo("removeButton") == 0) {				return new RemoveSubject(null);			}					}				else if (type.compareTo("TYPE_GROUPS") ==0) {						if(nameButton.compareTo("newButton") == 0) {				return new AddGroup(null);			}						else if(nameButton.compareTo("modifyButton") == 0) {				return  new ModifyGroup(null);			}						else if(nameButton.compareTo("removeButton") == 0) {				return new RemoveGroup(null);			}						else if(nameButton.compareTo("manageIdentityButton") == 0) {				return new GenerateGroups(null);			}						else if(nameButton.compareTo("generateButton") == 0) {				return new  ManageIdentitiesToGroups(null);			}											}				else if (type.compareTo("TYPE_UNAVAILABILITIES") ==0) {						if(nameButton.compareTo("newButton") == 0) {				return new AddUnavailability(null);			}						else if(nameButton.compareTo("modifyButton") == 0) {				return new ModifyUnavailability(null);			}						else if(nameButton.compareTo("removeButton") == 0) {				return new RemoveUnavailability(null);			}									else if(nameButton.compareTo("searchUnavailabilitiesButton") == 0) {				return new SearchAvailability(null);			}								}						else if (type.compareTo("TYPE_USERS") ==0) {						if(nameButton.compareTo("newButton") == 0) {				return null;			}						else if(nameButton.compareTo("modifyButton") == 0) {				return null;			}						else if(nameButton.compareTo("removeButton") == 0) {				return null;			}					}				else if (type.compareTo("TYPE_ROOMS") ==0) {						if(nameButton.compareTo("newButton") == 0) {				return new AddRoom(null);			}						else if(nameButton.compareTo("modifyButton") == 0) {				return new ModifyRoom(null);			}						else if(nameButton.compareTo("removeButton") == 0) {				return new RemoveRoom(null);			}					}						else if (type.compareTo("TYPE_MATERIALS") ==0) {						if(nameButton.compareTo("newButton") == 0) {				return new AddMaterial(null);			}						else if(nameButton.compareTo("modifyButton") == 0) {				return new ModifyMaterial(null);			}						else if(nameButton.compareTo("removeButton") == 0) {				return new RemoveMaterial(null);			}					}				return null;	}