Class: Inkcite::Renderer::Social

Inherits:
Base
  • Object
show all
Defined in:
lib/inkcite/renderer/social.rb

Direct Known Subclasses

Facebook, Pintrest, Twitter

Defined Under Namespace

Classes: Facebook, Pintrest, Twitter

Constant Summary

Constants inherited from Base

Base::BACKGROUND_COLOR, Base::BACKGROUND_GRADIENT, Base::BACKGROUND_IMAGE, Base::BACKGROUND_POSITION, Base::BACKGROUND_REPEAT, Base::BACKGROUND_SIZE, Base::BORDER_BOTTOM, Base::BORDER_COLLAPSE, Base::BORDER_LEFT, Base::BORDER_RADIUS, Base::BORDER_RIGHT, Base::BORDER_SPACING, Base::BORDER_TOP, Base::BOX_SHADOW, Base::DIMENSIONS, Base::DIRECTIONS, Base::FONT_FAMILY, Base::FONT_SIZE, Base::FONT_WEIGHT, Base::LETTER_SPACING, Base::LINE_HEIGHT, Base::LINK_COLOR, Base::MARGIN, Base::MARGIN_BOTTOM, Base::MARGIN_LEFT, Base::MARGIN_RIGHT, Base::MARGIN_TOP, Base::MAX_WIDTH, Base::NONE, Base::PADDING_X, Base::PADDING_Y, Base::POUND_SIGN, Base::TEXT_ALIGN, Base::TEXT_DECORATION, Base::TEXT_SHADOW, Base::TEXT_SHADOW_BLUR, Base::TEXT_SHADOW_OFFSET, Base::VERTICAL_ALIGN, Base::WEBKIT_ANIMATION, Base::WHITE_SPACE, Base::ZERO_WIDTH_NON_BREAKING_SPACE, Base::ZERO_WIDTH_SPACE

Instance Method Summary collapse

Constructor Details

#initialize(defaults) ⇒ Social 



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# File 'lib/inkcite/renderer/social.rb', line 51

def initialize defaults
  @defaults = defaults

  # Ensure a default scale of 1:1 is installed into the defaults
  # if one is not otherwise provided.
  @defaults[:scale] ||= 1.0

end

Instance Method Details

#render(tag, opts, ctx) ⇒ Object 



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# File 'lib/inkcite/renderer/social.rb', line 60

def render tag, opts, ctx

  id = opts[:id]

  share_url = opts.delete(:href).to_s
  ctx.error("Social sharing 'href' attribute can't be blank", :tag => tag, :id => id) if share_url.blank?

  share_text = opts.delete(:text).to_s
  ctx.error("Social sharing 'text' attribute can't be blank", :tag => tag, :id => id, :href => share_url) if share_text.blank?

  # Let the extending class format the fully-qualified URL to the sharing service.
  service_href = get_share_href Util.escape(share_url), Util.escape(share_text), opts, ctx

  # Check to see if there is a special color for this link (e.g. Pintrest) or
  # if it has been specified by the caller.
  opts[:color] ||= @defaults[:color]

  if icon = !opts[:noicon]

    # Ensure that the sharing icon exists in the project.
    ensure_icon_exists ctx

    height = (opts.delete(:size) || opts.delete(:height) || 15).to_i
    width = (height / @defaults[:scale]).round

    # Force the font size and line height to match the size of the
    # icon being used - this ensures proper vertical middle alignment.
    opts[FONT_SIZE] = height
    opts[LINE_HEIGHT] = height

  end

  cta = opts[:cta] || @defaults[:cta]

  html = %Q({a href="#{service_href}" #{Renderer.join_hash(opts)}})
  html << %Q({img src=#{@defaults[:src]} height=#{height} width=#{width} display=inline alt="#{@defaults[:alt]}"} ) if icon
  html << %Q(#{cta}{/a})

  html
end