default void showPresentation(@NotNull SQLEditor editor, boolean isNew) {
        // do nothing by default
    }
A notification that this presentation is about to be shown.

@param editor associated SQL editor
@param isNew  {@code true} if this presentation was opened for the very first
              time in the associated SQL editor, or {@code false} if it was
              a subsequent opening.
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorPresentation.java