Class: Roda::Component::DOM

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/roda/component/dom.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(html) ⇒ DOM

Returns a new instance of DOM.



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# File 'lib/roda/component/dom.rb', line 8

def initialize html
  @raw_html = html

  if server?
    @dom = raw_html.is_a?(String) ? Component::HTML(raw_html.dup): raw_html
  else
    @dom = raw_html.is_a?(String) ? Element[raw_html.dup] : raw_html
  end

  super @dom
end

Instance Attribute Details

#dom ⇒ Object

Returns the value of attribute dom.



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# File 'lib/roda/component/dom.rb', line 6

def dom
  @dom
end

#raw_html ⇒ Object

Returns the value of attribute raw_html.



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# File 'lib/roda/component/dom.rb', line 6

def raw_html
  @raw_html
end

Instance Method Details

#data(key = false, value = false) ⇒ Object 



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# File 'lib/roda/component/dom.rb', line 41

def data key = false, value = false
  d = Hash[node.xpath("@*[starts-with(name(), 'data-')]").map{|a| [a.name, a.value]}]

  if !key
    d
  elsif key && !value
    d[key]
  else
    node["data-#{key}"] = value
  end
end

#find(string, &block) ⇒ Object 



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# File 'lib/roda/component/dom.rb', line 20

def find string, &block
  if client?
    node = DOM.new dom.find(string)
  elsif server?
    if block
      node = DOM.new dom.css(string)
    else
      node = DOM.new dom.at(string)
    end
  end

  if block
    node.each do |n|
      block.call DOM.new n
    end
  end

  node
end

#html(content = false) ⇒ Object 



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# File 'lib/roda/component/dom.rb', line 68

def html content = false
  if !content
    if server?
      node.inner_html
    else
      node ? node.html : dom.html
    end
  else
    self.html = content
  end
end

#html=(content) ⇒ Object 



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# File 'lib/roda/component/dom.rb', line 58

def html= content
  if server?
    node.inner_html = content
  else
    node.html content
  end

  node
end

#node ⇒ Object 



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# File 'lib/roda/component/dom.rb', line 80

def node
  @node || dom
end

#val(value) ⇒ Object 



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# File 'lib/roda/component/dom.rb', line 53

def val value
  node.content = value
end