module HtmlHelper
include ActionView::Helpers::AssetTagHelper
include ActionView::Helpers::TagHelper
def doctype(type, subset)
""
end
def document_header(opts={}, &content)
doctype_opt = opts[:doctype] || :xhtml
subset_opt = opts[:subset] || :strict
language_opt = opts[:language] || :en
contenttype_opt = opts[:content_type] || 'iso-8859-1'
concat(doctype(doctype_opt, subset_opt) + "\n", content.binding)
concat(html_tag(doctype_opt, language_opt) + "\n", content.binding)
concat("\n\t#{content_type(contenttype_opt)}", content.binding)
yield
concat("", content.binding)
end
def html_tag(type=:xhtml, language=:en)
tag = ""
end
def end_html_tag
""
end
def content_type(charset='iso-8859-1')
""
end
def stylesheet_include_tag(*sources)
if sources.include?(:controller)
sources.delete(:controller)
sources.push(controller_stylesheet_source) if stylesheet_exists(controller_stylesheet_source)
end
if sources.include?(:action)
sources.delete(:action)
sources.push(action_stylesheet_source) if stylesheet_exists(action_stylesheet_source)
end
if sources.include?(:defaults)
sources.delete(:defaults)
sources.unshift('application')
sources.push(controller_stylesheet_source) if stylesheet_exists(controller_stylesheet_source)
sources.push(action_stylesheet_source) if stylesheet_exists(action_stylesheet_source)
end
sources.collect { |source|
path = "/stylesheets/#{source}.css"
tag('link', { 'type' => 'text/css', 'rel' => 'stylesheet', 'href' => path})
}.join("\n")
end
protected
def dtd_type(type, subset)
case type
when :html
return "HTML 4.01" if subset == :strict
"HTML 4.01 #{subset.to_s.capitalize}"
when :xhtml
"XHTML 1.0 #{subset.to_s.capitalize}"
else
"XHTML 1.0 #{subset.to_s.capitalize}"
end
end
def dtd_url(type, subset)
case type
when :html
return "html4/loose" if subset == :transitional
"html4/#{subset.to_s}"
when :xhtml
"xhtml1/DTD/xhtml1-#{subset.to_s}"
else
"xhtml1/DTD/xhtml1-#{subset.to_s}"
end
end
def controller_stylesheet_source
params[:controller]
end
def action_stylesheet_source
[params[:controller], params[:action]].join("_")
end
def stylesheet_path(source)
"#{RAILS_ROOT}/public/stylesheets/#{source}.css"
end
def stylesheet_exists(source)
File.exists?(stylesheet_path(source))
end
end