statement.statement form ]]> statement.statement tree ]]> Draft Statements statement.statement form [('state', '=', 'draft')] Waiting Statement statement.statement form [('state', '=', 'waiting')] Done Statements statement.statement form [('state', '=', 'done')] All Statement statement.statement form statement.statement.line form ]]> statement.statement.line tree ]]> Statement statement.statement True True Draft function set_state_waiting() Waiting function set_state_done() Done function set_state_cancel() Cancel waiting done cancel