Module: SpudBannersHelper

Included in:
Spud::Banners::BannerSetTag
Defined in:
app/helpers/spud_banners_helper.rb

Instance Method Summary collapse

Instance Method Details

#spud_banner_image_tag(banner) ⇒ Object

Returns an HTML <img/> tag for a single banner



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# File 'app/helpers/spud_banners_helper.rb', line 70

def spud_banner_image_tag(banner)
  image_tag(banner.banner.url(:banner), :alt => banner.alt, :title => banner.title)
end

#spud_banner_tag(banner, options = {}) ⇒ Object

Returns an HTML tag for a single banner May return either an <img/> or an <a/> depending on the banner



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# File 'app/helpers/spud_banners_helper.rb', line 58

def spud_banner_tag(banner, options={})
  if banner.link_to.blank?
    spud_banner_image_tag(banner)
  else
    link_to(banner.link_to, :target => banner.link_target) do
      spud_banner_image_tag(banner)
    end
  end
end

#spud_banners_for_set(set_or_identifier, options = {}) ⇒ Object

Returns banner html for a given identifier Generated HTML will be cached if your application uses fragment caching

  • set_or_identifier: A reference to a SpudBannerSet, or the name of a known banner set passed as a symbol (ie, :home)

  • options:

    • limit: Max number of banners to return

    • background_image: Pass true to return the banners as CSS background-image properties rather than <img/> tags



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# File 'app/helpers/spud_banners_helper.rb', line 11

def spud_banners_for_set(set_or_identifier, options = {})
  if set_or_identifier.is_a?(SpudBannerSet)
    banner_set = set_or_identifier
  else
    banner_set = SpudBannerSet.find_by_identifier(set_or_identifier)
  end
  return '' if banner_set.blank?
  cache(banner_set) do
    concat spud_banners_set_tag(banner_set, options)
  end
end

#spud_banners_set_tag(banner_set, options = {}) ⇒ Object

Returns banner html for a given banner_set

  • banner_set: A reference to a SpudBannerSet

  • options:

    • limit: Max number of banners to return

    • background_image: Pass true to return the banners as CSS background-image properties rather than <img/> tags



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# File 'app/helpers/spud_banners_helper.rb', line 30

def spud_banners_set_tag(banner_set, options = {})
  background_image = options.delete(:background_image)
  limit = options.delete(:limit) || false
  banners_query = banner_set.banners.active.limit(limit)
  if block_given?
    banners_query.each do |banner|
      yield(banner)
    end
  else
    content_tag(:div, :class => "spud-banner-set #{options[:wrapper_class]}", 'data-id' => banner_set.id) do
      banners_query.map do |banner|
        if background_image
          concat(content_tag(:div, :class => "spud-banner #{options[:banner_class]}", 'data-id' => banner.id, :style => "background-image:url('#{banner.banner.url(:banner)}');"){
            if banner.rich_text
              content_tag :div, raw(banner.rich_text), :class => 'spud-banner-rich-text'
            end
          })
        else
          concat(content_tag(:div, :class => "spud-banner #{options[:banner_class]}", 'data-id' => banner.id){ spud_banner_tag(banner, options) })
        end
      end
    end
  end
end