Module: Atech::Helpers

Defined in:
lib/atech/helpers.rb

Instance Method Summary collapse

Instance Method Details

#c(*opts) ⇒ Object

Alias ‘c’ to ‘number_to_currency’



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# File 'lib/atech/helpers.rb', line 30

def c(*opts)
  number_to_currency(*opts)
end

#display_flash ⇒ Object

Flash all flash messages which have been stored.



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# File 'lib/atech/helpers.rb', line 15

def display_flash
  flashes = flash.collect do |key,msg|
    content_tag :div, content_tag(:p, h(msg)), :id => "flash-#{key}"
  end.join.html_safe
end

#gravatar(email, options = {}) ⇒ Object

Insert a gravatar for a specified e-mail address.



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# File 'lib/atech/helpers.rb', line 35

def gravatar(email, options = {})
  options[:size]    ||= 35
  options[:default] ||= 'identicon'
  options[:rating]  ||= 'PG'
  options[:class]   ||= 'gravatar'
  options[:secure]  ||= request.ssl?
  
  host = (options[:secure] ? 'https://secure.gravatar.com' : 'http://gravatar.com')
  path = "/avatar.php?gravatar_id=#{Digest::MD5.hexdigest(email)}&rating=#{options[:rating]}&size=#{options[:size]}&d=#{options[:default]}"
  
  image_tag([host,path].join, :class => options[:class], :width => options[:size], :height => options[:size])
end

#icon_tag(icon, text = '') ⇒ Object

Insert an image tag for an icon from the ‘public/images/icons’ folder. If passed a symbol it will automatically add ‘.png’ to the end of the name, otherwise you need to pass the full image file name.



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# File 'lib/atech/helpers.rb', line 24

def icon_tag(icon, text = '')
  extension = (icon.is_a?(Symbol) ? ".png" : '')
  image_tag "icons/#{icon.to_s}#{extension}", :alt => text, :title => text, :class => "icon #{icon}"
end

#page_title(text = nil) ⇒ Object

Sets the page title to be passed value or returns the current value if it’s empty



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# File 'lib/atech/helpers.rb', line 58

def page_title(text = nil)
  text ? (@page_title = text) : @page_title
end

#user_agent_classes ⇒ Object

Return a set of three classes allowing you to determine the user agent of the clients computer.  This method can be called as part of the <html> or <body> class. It will return the operating system, the browser’s name and the version number.



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# File 'lib/atech/helpers.rb', line 51

def user_agent_classes
  if defined?(Atech::UserAgent) && request.user_agent.is_a?(Atech::UserAgent)
    "#{request.user_agent.os} #{request.user_agent.name} v#{request.user_agent.version}"
  end
end