Class: ContentBinding

Inherits:
BaseBinding show all
Defined in:
lib/volt/page/bindings/content_binding.rb

Instance Attribute Summary

Attributes inherited from BaseBinding

#binding_name, #context, #target

Instance Method Summary collapse

Methods inherited from BaseBinding

#queue_update, #remove_anchors, #section, #value_from_getter

Constructor Details

#initialize(page, target, context, binding_name, getter) ⇒ ContentBinding

Returns a new instance of ContentBinding.



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# File 'lib/volt/page/bindings/content_binding.rb', line 4

def initialize(page, target, context, binding_name, getter)
  # puts "new content binding: #{getter}"
  super(page, target, context, binding_name)

  # Find the source for the content binding
  @value = value_from_getter(getter)

  # Run the initial render
  update

  if @value.reactive?
    @changed_listener = @value.on('changed') { update }
  end
end

Instance Method Details

#remove ⇒ Object 



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# File 'lib/volt/page/bindings/content_binding.rb', line 30

def remove
  if @changed_listener
    @changed_listener.remove
    @changed_listener = nil
  end

  super
end

#update ⇒ Object 



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# File 'lib/volt/page/bindings/content_binding.rb', line 19

def update
  value = @value.cur.or('')

  # Exception values display the exception as a string
  value = value.to_s

  # Update the html in this section
  # TODO: Move the formatter into another class.
  section.html = value.gsub("\n", "<br />\n")
end