class Wedge::DOM

Attributes

dom[RW]
raw_html[RW]

Public Class Methods

[](html) click to toggle source

Shortcut for creating dom @param html [String] @return dom [DOM]

# File lib/wedge/dom.rb, line 18
def [] html
  new html
end
new(html) click to toggle source
# File lib/wedge/dom.rb, line 23
def initialize html
  html = '' if html.nil?
  html = html.to_html if html.is_a? HTML::DSL

  @raw_html = html

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

Public Instance Methods

<<(d) click to toggle source
# File lib/wedge/dom.rb, line 89
def << d
  if node.is_a? Nokogiri::XML::NodeSet
    node.each { |n| n << d }
  else
    node << d
  end
end
[]=(key, value) click to toggle source
# File lib/wedge/dom.rb, line 81
def []= key, value
  if node.is_a? Nokogiri::XML::NodeSet
    node.each { |n| n[key] = value }
  else
    node[key] = value
  end
end
add_class(classes) click to toggle source
# File lib/wedge/dom.rb, line 208
def add_class classes
  classes = (classes || '').split ' ' unless classes.is_a? Array
  if node.is_a? Nokogiri::XML::NodeSet
    node.each do |n|
      new_classes =  ((n.attr('class') || '').split(' ') << classes).uniq.join(' ')
      n['class'] = new_classes
    end
  else
    new_classes =  ((node.attr('class') || '').split(' ') << classes).uniq.join(' ')
    node['class'] = new_classes
  end
end
append(d) click to toggle source
# File lib/wedge/dom.rb, line 123
def append d
  if node.is_a? Nokogiri::XML::NodeSet
    node.each do |n|
      if nn = n.children.last
        nn.add_next_sibling d
      else
        n << d
      end
    end
  else
    if n = node.children.last
      n.add_next_sibling d
    else
      node.content << d
    end
  end
end
attr(key, value = false) click to toggle source
Calls superclass method
# File lib/wedge/dom.rb, line 231
def attr key, value = false
  if value
    value = value.join ' ' if value.is_a? Array
    if node.is_a? Nokogiri::XML::NodeSet
      node.each { |n| n[key] = value }
    else
      node[key] = value
    end
  else
    super key
  end
end
data(key = false, value = false) click to toggle source
# File lib/wedge/dom.rb, line 182
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
    key = "data-#{key}"

    if node.is_a? Nokogiri::XML::NodeSet
      node.each { |n| n[key] = value }
    else
      node[key] = value
    end
  end
end
find(string, &block) click to toggle source
# File lib/wedge/dom.rb, line 36
def find string, &block
  if client?
    node = Wedge::DOM.new dom.find(string)
  elsif server?
    node = Wedge::DOM.new dom.css(string)
  end

  if block_given?
    node.each_with_index do |n, i|
      block.call Wedge::DOM.new(n), i
    end
  end

  node
end
hide() click to toggle source
# File lib/wedge/dom.rb, line 141
def hide
  if node.is_a? Nokogiri::XML::NodeSet
    node.each do |n|
      DOM.new(n).style 'display', 'none'
    end
  else
    node.style 'display', 'none'
  end

  node
end
html(content = false) click to toggle source
# File lib/wedge/dom.rb, line 282
def html content = false
  # if the value is nil nokogiri will not update the dom
  content = '' if content.nil?

  if !content
    if server?
      node.inner_html
    else
      node ? node.html : dom.html
    end
  else
    self.html = content
  end
end
html=(content) click to toggle source
# File lib/wedge/dom.rb, line 245
def html= content
  if server?
    # if the value is nil nokogiri will not update the dom
    content = '' if content.nil?

    if node.is_a? Nokogiri::XML::NodeSet
      node.each { |n| n.inner_html = content }
    else
      node.inner_html = content
    end
  else
    content = content.dom if content.is_a? Wedge::DOM
    node.html content
  end

  node
rescue
  binding.pry
end
method_missing(method, *args, &block) click to toggle source

This allows you to use all the nokogiri or opal jquery methods if a global one isn't set

Calls superclass method
# File lib/wedge/dom.rb, line 303
def method_missing method, *args, &block
  # respond_to?(symbol, include_all=false)
  if dom.respond_to? method, true
    dom.send method, *args, &block
  else
    super
  end
end
node() click to toggle source
# File lib/wedge/dom.rb, line 297
def node
  @node || dom
end
prepend(d) click to toggle source

def prepend d

if n = node.children.first
  n.add_previous_sibling d
else
  node << d
end

end

# File lib/wedge/dom.rb, line 105
def prepend d
  if node.is_a? Nokogiri::XML::NodeSet
    node.each do |n|
      if nn = n.children.first
        nn.add_previous_sibling d
      else
        n << d
      end
    end
  else
    if n = node.children.first
      n.add_previous_sibling d
    else
      node << d
    end
  end
end
remove_class(classes) click to toggle source
# File lib/wedge/dom.rb, line 221
def remove_class classes
  classes = (classes || '').split ' ' unless classes.is_a? Array

  if node.is_a? Nokogiri::XML::NodeSet
    node.each { |n| n['class'] = (n.attr('class') || '').split(' ').reject { |c| classes.include? c }.join(' ') }
  else
    node['class'] = (node.attr('class') || '').split(' ').reject { |c| classes.include? c }.join(' ')
  end
end
replace_with(*args) click to toggle source
# File lib/wedge/dom.rb, line 73
def replace_with *args
  if node.is_a? Nokogiri::XML::NodeSet
    node.each { |n| n.replace(*args) }
  else
    node.replace(*args)
  end
end
style(*args) click to toggle source
# File lib/wedge/dom.rb, line 153
def style *args
  style_object = DOM.new(node).styles

  if args.length == 1
    style_object[args.first]
  else
    style_object[args.first] = args.last
    node['style'] = style_object.map { |k, v| [k, v].join(': ') }.join('; ')
  end
end
styles() click to toggle source
# File lib/wedge/dom.rb, line 164
def styles
  style_array = node['style'].to_s.
    split(';').
    reject { |s| s.strip.empty? }.
    map do |s|
      parts = s.split(':', 2)
      return nil if parts.nil?
      return nil if parts.length != 2
      return nil if parts.any? { |s| s.nil? }
      [parts[0].strip, parts[1].strip]
    end.
    reject { |s| s.empty? }
  style_object = {}
  style_array.each { |key, value| style_object[key] = value }

  style_object
end
to_html() click to toggle source
# File lib/wedge/dom.rb, line 275
def to_html
  @dom ||= Wedge::DOM.new '<div>'
  el = dom.first
  Wedge::DOM.new('<div>').append(el).html
end
val(value) click to toggle source
# File lib/wedge/dom.rb, line 200
def val value
  if node.is_a? Nokogiri::XML::NodeSet
    node.each { |n| n.content = value }
  else
    node.content = value
  end
end