Class: Polaris::ThumbnailComponent

Inherits:
Component
  • Object
show all
Includes:
ActiveModel::Validations
Defined in:
app/components/polaris/thumbnail_component.rb

Constant Summary collapse

SIZE_DEFAULT =
:medium
SIZE_MAPPINGS =
{
  small: "Polaris-Thumbnail--sizeSmall",
  medium: "Polaris-Thumbnail--sizeMedium",
  large: "Polaris-Thumbnail--sizeLarge"
}
SIZE_OPTIONS =
SIZE_MAPPINGS.keys

Constants included from ViewHelper

ViewHelper::POLARIS_HELPERS, ViewHelper::POLARIS_TEXT_STYLES

Constants included from FetchOrFallbackHelper

FetchOrFallbackHelper::InvalidValueError

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ViewHelper

#polaris_body_styles, #polaris_html_classes, #polaris_html_styles, #polaris_icon_source

Methods included from StylesListHelper

#styles_list

Methods included from OptionHelper

#append_option, #prepend_option

Methods included from FetchOrFallbackHelper

#fetch_or_fallback, #fetch_or_fallback_boolean, #fetch_or_fallback_nested

Methods included from ClassNameHelper

#class_names

Constructor Details

#initialize(alt: nil, size: SIZE_DEFAULT, source: nil, transparent: false, **system_arguments) ⇒ ThumbnailComponent

Returns a new instance of ThumbnailComponent.



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# File 'app/components/polaris/thumbnail_component.rb', line 21

def initialize(
  alt: nil,
  size: SIZE_DEFAULT,
  source: nil,
  transparent: false,
  **system_arguments
)
  @alt = alt
  @size = size
  @source = source
  @transparent = transparent

  @system_arguments = system_arguments
end

Instance Attribute Details

#sizeObject (readonly)

Returns the value of attribute size.



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# File 'app/components/polaris/thumbnail_component.rb', line 7

def size
  @size
end

#transparentObject (readonly)

Returns the value of attribute transparent.



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# File 'app/components/polaris/thumbnail_component.rb', line 7

def transparent
  @transparent
end

Instance Method Details

#renders?Boolean

Returns:

  • (Boolean)


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# File 'app/components/polaris/thumbnail_component.rb', line 36

def renders?
  source.present? || icon.present?
end

#system_argumentsObject



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# File 'app/components/polaris/thumbnail_component.rb', line 40

def system_arguments
  @system_arguments.tap do |opts|
    opts[:tag] = :span
    opts[:classes] = class_names(
      @system_arguments[:classes],
      "Polaris-Thumbnail",
      SIZE_MAPPINGS[fetch_or_fallback(SIZE_OPTIONS, @size, SIZE_DEFAULT)],
      "Polaris-Thumbnail--transparent": @transparent
    )
  end
end