Class: Katalyst::Content::HasTree::Builder

Inherits:
Object
  • Object
show all
Defined in:
app/models/concerns/katalyst/content/has_tree.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Builder

Returns a new instance of Builder.



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 16

def initialize
  @depth    = 0
  @children = @tree = []
end

Instance Attribute Details

#children ⇒ Object

Returns the value of attribute children.



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 14

def children
  @children
end

#current ⇒ Object

Returns the value of attribute current.



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 14

def current
  @current
end

#depth ⇒ Object

Returns the value of attribute depth.



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 14

def depth
  @depth
end

#tree ⇒ Object (readonly)

Returns the value of attribute tree.



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 14

def tree
  @tree
end

Instance Method Details

#add(node) ⇒ Object 



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 21

def add(node)
  if node.depth == depth
    add_sibling(node)
  elsif node.depth > depth
    push(children.last)
    add(node)
  else
    pop
    add(node)
  end
end

#add_sibling(node) ⇒ Object 



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# File 'app/models/concerns/katalyst/content/has_tree.rb', line 33

def add_sibling(node)
  node.parent = current

  previous = children.last

  children << node

  if previous
    previous.next_sibling = node
    node.previous_sibling = previous
  end

  # If the node does not have an explicit theme set already then set a
  # rendering theme from context.
  if node.theme.blank?
    node.theme = current ? current.theme : Content.config.default_theme
  end

  self
end