Module: BackMark::ViewMethods

Defined in:
lib/back_mark.rb

Instance Method Summary collapse

Instance Method Details

#back_label ⇒ Object

Returns the last back_marked label



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# File 'lib/back_mark.rb', line 115

def back_label
  @back_marked ? session[:back_label] : session[:prev_label]
end

#back_url ⇒ Object

Returns the last back_marked page url



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# File 'lib/back_mark.rb', line 110

def back_url
  @back_marked ? session[:back_url] : session[:prev_url]
end

#back_url_or_default(default_url) ⇒ Object

Returns the stored back url or the given default_url if the former is empty



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# File 'lib/back_mark.rb', line 104

def back_url_or_default(default_url)
  (@marked_in_filter ? session[:filter_back_url] :
    session[:filter_prev_url]) || default_url
end

#render_back_link ⇒ Object

Renders a link back to the previous page stored in the session with the stored label if both of them are available



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# File 'lib/back_mark.rb', line 122

def render_back_link
  # Dont render back link if the back url is the same as the current page
  return if back_url == request.url

  if back_url && back_label
    link_to "« Back to '#{back_label}'", back_url, :id => 'back_link'
  end
end