Ugly and cool! Nice trick :D.
El 04-12-2014 a las 17:19, Stefan Haslinger escribió:
> Hi folks!
>
> Disclaimer: This is an ugly hack.
>
> I customer wanted to hard override the state value in an Hobo Lifecycle
> without running the action.
> Hobo protects this by setting :state as an protected attribute.
>
> I was almost ready to remove the life cycle all together, but ... read on!
> So even setting
>
> class Category < ActiveRecord::Base
>
> hobo_model
>
> ...
>
> attr_accessible :state
>
>
> wouldn't help, unless - and that's the dirty part, you remove :state
> from attr_protected by
>
> Category.attr_protected[:default] =
> Category.attr_protected[:default].subtract(["state"])
>
> end
>
>
> at the very end of the model declaration.
> Then it's pretty straight forward to get a drop down in the edit view:
>
> <extend tag="form" for="Category">
>
> <field-list: fields='... state...'>
>
> <state-view:>
> <select-menu name="category[state]"
>
> options="&Category::Lifecycle.states.*[0].map {|state|
> [I18n.t('activerecord.attributes.category.lifecycle.states.' +
> state.to_s), state.to_s] }" />
> </state-view:>
>
>
> If you don't care about translations, the options are just
>
>
> options="&Category::Lifecycle.states.*[0]" />
>
>
> It's ugly, but it saved me some hours and I can use the transitions in
> the application as usual.
>
> Ciao,
> Stefan
>
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