Class: Charming::TemplateView

Inherits:
View
  • Object
show all
Defined in:
lib/charming/presentation/template_view.rb

Overview

TemplateView wraps a resolved ERB template and exposes it as a renderable View. The template is rendered with the view's helpers (text, box, row, column, style, theme, etc.) and the view's assigns available as reader methods inside the template.

Instance Method Summary collapse

Methods inherited from View

#focused?, #layout_assigns

Constructor Details

#initialize(template:, namespace: nil, **assigns) ⇒ TemplateView

Returns a new instance of TemplateView.



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# File 'lib/charming/presentation/template_view.rb', line 8

def initialize(template:, namespace: nil, **assigns)
  super(**assigns)
  @template = template
  @namespace = namespace
end

Instance Method Details

#render ⇒ Object

Renders the wrapped template to a string, evaluated in the view's binding context.



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# File 'lib/charming/presentation/template_view.rb', line 15

def render
  template.render(self).to_s
end

#template_binding ⇒ Object

Returns the binding used by ERB handlers to evaluate the template body. When namespace is set, the binding is created by a proc generated in the namespace's context so the template can resolve constants relative to the application.



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# File 'lib/charming/presentation/template_view.rb', line 22

def template_binding
  return binding unless namespace

  namespace.module_eval("->(view) { view.instance_eval { binding } }", __FILE__, __LINE__).call(self)
end