Method onCloseClicked

src/main/java/jace/ide/IdeController.java:87–90

(ActionEvent event)

    }

    @FXML
    void onCloseClicked(ActionEvent event) {
        getCurrentTab().ifPresent((t) -> closeTab(t, event));
    }

    public Optional<Tab> getCurrentTab() {
        return Optional.ofNullable(tabPane.getSelectionModel().getSelectedItem());