Class: PictureTag::Instructions::Set

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll_picture_tag/instructions/set.rb

Overview

Supervisor class, which manages all input handling and high level decision making which depends on it.

Instance Method Summary collapse

Constructor Details

#initialize(raw_tag_params) ⇒ Set

Returns a new instance of Set.



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 6

def initialize(raw_tag_params)
  @raw_tag_params = raw_tag_params
end

Instance Method Details

#config ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 10

def config
  @config ||= Configuration.new
end

#crop(media = nil) ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 37

def crop(media = nil)
  params.geometries[media] || preset.crop(media)
end

#gravity(media = nil) ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 41

def gravity(media = nil)
  params.gravities[media] || preset.gravity(media)
end

#html_attributes ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 22

def html_attributes
  # Depends on both the preset and tag params.
  @html_attributes ||= HTMLAttributeSet.new params.leftovers
end

#media_presets ⇒ Object

These are our Media Query presets. It’s really just a hash, and there are no default values, so extracting this to its own class is overkill.



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 29

def media_presets
  search_data('media_queries') || search_data('media_presets') || {}
end

#output_class ⇒ Object

Returns a class constant for the selected output format, which is used to dynamically instantiate it.



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 47

def output_class
  Object.const_get(
    'PictureTag::OutputFormats::' + Utils.titleize(preset['markup'])
  )
end

#params ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 14

def params
  @params ||= TagParser.new @raw_tag_params
end

#preset ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 18

def preset
  @preset ||= Preset.new params.preset_name
end

#source_images ⇒ Object 



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# File 'lib/jekyll_picture_tag/instructions/set.rb', line 33

def source_images
  @source_images ||= build_source_images
end