Class: Volt::StringTemplateRender

Inherits:
Object
  • Object
show all
Defined in:
lib/volt/page/string_template_renderer.rb

Overview

StringTemplateRender are used to render a template to a string. Call .html to get the string. Be sure to call .remove when complete.

StringTemplateRender will intellegently update the string in the same way a normal bindings will update the dom.

Instance Method Summary collapse

Constructor Details

#initialize(page, context, template_path) ⇒ StringTemplateRender

Returns a new instance of StringTemplateRender.



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# File 'lib/volt/page/string_template_renderer.rb', line 8

def initialize(page, context, template_path)
  @dependency = Dependency.new

  @template_path = template_path
  @target        = AttributeTarget.new(nil, nil, self)
  @template      = TemplateRenderer.new(page, @target, context, 'main', template_path)
end

Instance Method Details

#changed! ⇒ Object 



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# File 'lib/volt/page/string_template_renderer.rb', line 28

def changed!
  # if @dependency is missing, this template has been removed
  @dependency.changed! if @dependency
end

#html ⇒ Object

Render the template and get the current value



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# File 'lib/volt/page/string_template_renderer.rb', line 17

def html
  @dependency.depend

  html = nil
  Computation.run_without_tracking do
    html = @target.to_html
  end

  html
end

#remove ⇒ Object 



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# File 'lib/volt/page/string_template_renderer.rb', line 33

def remove
  @dependency.remove
  @dependency = nil

  Computation.run_without_tracking do
    @template.remove
    @template = nil
  end

  @target        = nil
  @template_path = nil
end