Switchable nested views based on value of another widget about widgetastic.core HOT 8 CLOSED

Coverage for registering a 'default' or 'else' value against form_remainder?

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@mshriver Hmm, good catch, that will also need care. I think it could generate an empty form if not specified, otherwise you can use "form_remainder.register_default" or something like that.

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@mfalesni, @mshriver,

Are you ok if such conditional views will be implemented in the following way:

class SomeView(View):
	master_widget = SomeWidget()

	@View.conditional(condition=master_widget.text == 'SomeValue', alias='CommonName')
	class SlaveView1(View):
            pass

	@View.conditional(condition=master_widget.text == 'AnotherValue', alias='CommonName')
	class SlaveView2(View):
            pass

	@View.conditional(condition='default', alias='CommonName')
	class SlaveView3(View):
            pass

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The confition= syntax would not be as simple, it would have to be a lambda (to process the value and say bool) or a value to be compared. What would be the use for alias= ?

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yes, syntax is likely to be slightly changed during implementation.
Alias will allow us to use one name for several views.
When I was writing this code sample I had in mind Add Infra Provider dialog. Where second part of dialog is opened after provide type is chosen.

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The solution I am thinking about and will be simplest is this one:

view.fill({
  'provider_name': 'foo'
  'provider_type': 'bar',
  'provider_data': { ... },
})

Where provider_data will be a widget that will switch underlying views based on a condition (so the nesting is obligatory). I was also thinking about "including" some views, even conditionally, but that will be more difficult to master.

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@mfalesni , could you please give me few real world examples of where such switchable views can be used then ?

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Control Actions let's say. Anywhere where something reveals a form different for each value ...

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