Module: CommonHelper

Defined in:
lib/rails_ext/action_view/common_helper.rb

Instance Method Summary collapse

Instance Method Details

#has_content_for?(name) ⇒ Boolean

Has content for ‘content_for’

Returns:

  • (Boolean) 


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# File 'lib/rails_ext/action_view/common_helper.rb', line 29

def has_content_for? name
  ivar = "@content_for_#{name}"
  !instance_variable_get(ivar).blank?
end

#initialize_js_commons ⇒ Object

Initialize JavaScripts variables, needed to rails_ext.js works properly.



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# File 'lib/rails_ext/action_view/common_helper.rb', line 3

def initialize_js_commons
  javascript_tag %{\
$.authenticity_token = "#{form_authenticity_token}";}
end

#js(*args, &block) ⇒ Object

Escape JS



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# File 'lib/rails_ext/action_view/common_helper.rb', line 35

def js *args, &block
  escape_javascript *args, &block
end

#prepend_to(name, content = nil, &block) ⇒ Object

Prepends content to ‘content_for’



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# File 'lib/rails_ext/action_view/common_helper.rb', line 9

def prepend_to name, content = nil, &block
  ivar = "@content_for_#{name}"
  content = capture(&block) if block_given?
  content ||= ""
  stored_content = instance_variable_get(ivar) || ""
  instance_variable_set(ivar, content + stored_content)
  nil
end

#tidy_html(html) ⇒ Object

def autohide

# request.format == Mime::JS ? 'hidden' : ''
Thread.current[:autohide] ? 'hidden' : ''

end

def render_hidden *args, &block

begin
  Thread.current[:autohide] = true
  render *args, &block
ensure
  Thread.current[:autohide] = false
end

end



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# File 'lib/rails_ext/action_view/common_helper.rb', line 66

def tidy_html html
  require 'tidy'
  
	Tidy.path = '/usr/lib/libtidy.dylib' # depends on platform!
  options = {
    :indent => true,
		:char_encoding => 'utf8',
		:wrap => 0,
		:output_xhtml => true,
		:show_errors => 6,
		:show_warnings => true,
		:tab_size => 2,
		:vertical_space => true,
		:new_inline_tags => "script"
  }

	Tidy.open options do |tidy|
    xml = tidy.clean(html)

		# puts "  Tidy Messages:"
	  # puts tidy.errors
	  # puts tidy.diagnostics
    # puts

    # xml.gsub(">\n</script>", "></script>") # tidy makes it newline
    xml
	end
end

#wrap_content_for(name, &block) ⇒ Object

Wraps content for ‘content_for’



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# File 'lib/rails_ext/action_view/common_helper.rb', line 19

def wrap_content_for name, &block
  block.should_not! :be_nil
  
  ivar = "@content_for_#{name}"
  content = capture(instance_variable_get(ivar) || "", &block)
  instance_variable_set(ivar, content || "")
  nil
end