Module: Nifty::Utils::ViewHelpers

Defined in:
lib/nifty/utils/view_helpers.rb

Instance Method Summary collapse

Instance Method Details

#boolean_tag(bool, tip = nil, options = {}) ⇒ Object

Renders a tick or cross character based on the provided boolean. Additional options can be passed if needed.

  • :true_text - text to display next to a tick

  • :false_text - text to display next to a cross



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# File 'lib/nifty/utils/view_helpers.rb', line 43

def boolean_tag(bool, tip = nil, options = {})
  true_text, false_text = "", ""
  true_text = " <b>#{options[:true_text]}</b>" if options[:true_text]
  false_text = " <b>#{options[:false_text]}</b>" if options[:false_text]
  content_tag :span, (bool ? "<span class='true'>&#x2714;#{true_text}</span>" : "<span class='false'>&#x2718;#{false_text}</span>").html_safe, :class => "boolean", :title => tip
end

#display_flash ⇒ Object

Displays the full contents of the ‘flash` hash within an appropriate <div> element. The ID of the outputted div will be `flash-alert` where alert is the type of flash.

If there are multiple flashes set, they will all be displayed.



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# File 'lib/nifty/utils/view_helpers.rb', line 10

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

Renders an ‘<img>` containing a link to the gravatar for the given e-mail address. Available options as follows:

  • :size: the size in pixels of the outputted gravatar. Defaults to 35.

  • :default: the gravatar to fallback to if the user has no gravatar (see gravatar for available options or pass a URL). Defaults to ‘identicon’.

  • :rating: the maximum rating to use. Defaults to PG.

  • :class: the value for the class attribute for the outputted img tag. Defaults to ‘gravatar’.

  • :secure: wherher or not to output an HTTPS version of the gravatar or not. Defaults to the value of ‘request.ssl?`.



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# File 'lib/nifty/utils/view_helpers.rb', line 27

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.to_s.downcase)}&rating=#{options[:rating]}&size=#{options[:size] * 2}&d=#{options[:default]}"
  image_tag([host,path].join, :class => options[:class], :width => options[:size], :height => options[:size])
end