Thank you, but it doesn't allow to define any action, the error is:
Code:
Traceback (most recent call last):
File "calibre_plugins.action_chains.dialogs.chain", line 265, in dropEvent
File "calibre_plugins.action_chains.dialogs.chain", line 174, in apply_chain_link
File "calibre_plugins.action_chains.dialogs.chain", line 190, in _on_action_change
KeyError: u''