Class: Volt::AttributeSection

Inherits:
BaseSection show all
Defined in:
lib/volt/page/targets/attribute_section.rb

Instance Method Summary collapse

Methods inherited from BaseSection

#remove_anchors, #set_content_to_template, #set_template

Constructor Details

#initialize(target, binding_name) ⇒ AttributeSection

Returns a new instance of AttributeSection.



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

def initialize(target, binding_name)
  @target       = target
  @binding_name = binding_name
end

Instance Method Details

#html=(value) ⇒ Object 



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

def html=(value)
  set_content_and_rezero_bindings(value, {})
end

#insert_anchor_before_end(binding_name) ⇒ Object 



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# File 'lib/volt/page/targets/attribute_section.rb', line 21

def insert_anchor_before_end(binding_name)
  end_node = @target.find_by_binding_id(@binding_name)
  if end_node.is_a?(ComponentNode)
    component_node = ComponentNode.new(binding_name, end_node, end_node.root || end_node)
    end_node.insert(-1, component_node)
  else
    raise "can not insert on HtmlNode"
  end
end

#remove ⇒ Object 



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# File 'lib/volt/page/targets/attribute_section.rb', line 80

def remove
  # TODO: is this getting run for no reason?
  node = @target.find_by_binding_id(@binding_name)
  node.remove if node
end

#rezero_bindings(html, bindings) ⇒ Object

When using bindings, we have to change the binding id so we don’t reuse the same id when rendering a binding multiple times.



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

def rezero_bindings(html, bindings)
  @@base_binding_id ||= 20_000
  # rezero
  parts  = html.split(/(\<\!\-\- \$\/?[0-9]+ \-\-\>)/).reject { |v| v == '' }

  new_html = []
  new_bindings = {}
  id_map = {}

  parts.each do |part|
    case part
      when /\<\!\-\- \$[0-9]+ \-\-\>/
        # Open
        binding_id = part.match(/\<\!\-\- \$([0-9]+) \-\-\>/)[1].to_i
        binding = bindings[binding_id]
        new_bindings[@@base_binding_id] = binding if binding

        new_html << "<!-- $#{@@base_binding_id} -->"
        id_map[binding_id] = @@base_binding_id
        @@base_binding_id += 1
      when /\<\!\-\- \$\/[0-9]+ \-\-\>/
        # Close
        binding_id = part.match(/\<\!\-\- \$\/([0-9]+) \-\-\>/)[1].to_i
        new_html << "<!-- $/#{id_map[binding_id]} -->"
      else
        # html string
        new_html << part
    end
  end

  return new_html.join(''), new_bindings
end

#set_content_and_rezero_bindings(html, bindings) ⇒ Object

Takes in our html and bindings, and rezero’s the comment names, and the bindings. Returns an updated bindings hash



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# File 'lib/volt/page/targets/attribute_section.rb', line 68

def set_content_and_rezero_bindings(html, bindings)
  html, bindings = rezero_bindings(html, bindings)

  if @binding_name == 'main'
    @target.html = html
  else
    @target.find_by_binding_id(@binding_name).html = html
  end

  bindings
end

#text=(text) ⇒ Object 



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# File 'lib/volt/page/targets/attribute_section.rb', line 13

def text=(text)
  set_content_and_rezero_bindings(text, {})
end