Class: Inkcite::Renderer::Button

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

Defined Under Namespace

Classes: Config

Constant Summary

Constants inherited from Base

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

Instance Method Summary collapse

Instance Method Details

#render(tag, opt, ctx) ⇒ Object 



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# File 'lib/inkcite/renderer/button.rb', line 116

def render tag, opt, ctx

  html = ''

  if tag == 'button'

    id = opt[:id]
    href = opt[:href]

    cfg = Config.new(ctx, opt)

    # Wrap the table in a link to make the whole thing clickable.  This works
    # in most email clients but doesn't work in Outlook (for a change).
    html << "{a id=\"#{id}\" href=\"#{href}\" color=\"none\"}"

    # Responsive button is just a highly styled table/td combination with optional
    # curved corners and a lower bevel (border).
    bgcolor = cfg.bgcolor
    html << '{table'
    html << %Q( bgcolor="#{bgcolor}") unless bgcolor.blank?
    html << " padding=#{cfg.padding}" if cfg.padding > 0
    html << %Q( border="#{cfg.border}") if cfg.border
    html << " border-radius=#{cfg.border_radius}" if cfg.border_radius > 0
    html << %Q( border-bottom="#{cfg.border_bottom}") if cfg.bevel > 0

    # Need to separate borders that are collapsed by default - otherwise, the bevel
    # renders incorrectly.
    html << ' border-collapse=separate' if cfg.border || cfg.bevel > 0

    html << " margin-top=#{cfg.margin_top}" if cfg.margin_top > 0
    html << " width=#{cfg.width}" if cfg.width > 0
    html << " float=#{cfg.float}" if cfg.float
    html << %Q( mobile="fill"}\n)
    html << "{td align=center"
    html << " height=#{cfg.height} valign=middle" if cfg.height > 0
    html << " font=\"#{cfg.font}\""
    html << " line-height=#{cfg.line_height}" unless cfg.line_height.blank?
    html << %Q( font-size="#{cfg.font_size}") if cfg.font_size > 0
    html << %Q( font-weight="#{cfg.font_weight}") unless cfg.font_weight.blank?

    # Text on the button gets a shadow automatically unless the shadow
    # color matches the background color of the button.
    shadow = cfg.text_shadow
    html << %Q( shadow="#{shadow}" shadow-offset=-1) if shadow != bgcolor

    html << '}'

    # Second, internal link for Outlook users that makes the inside of the button
    # clickable.
    html << %Q({a id="#{id}" href="#{href}" color="#{cfg.color}")
    html << %Q( letter-spacing="#{cfg.letter_spacing}") unless cfg.letter_spacing.blank?
    html << %q(})


  else

    html << "{/a}{/td}\n{/table}{/a}"

  end

  html
end