Class: Graphomaton::Theme

Inherits:
Object
  • Object
show all
Defined in:
lib/graphomaton.rb

Class Method Summary collapse

Class Method Details

.available_names ⇒ Object 



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# File 'lib/graphomaton.rb', line 28

def self.available_names
  Exporters::Svg::THEMES.keys
end

.default ⇒ Object 



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# File 'lib/graphomaton.rb', line 24

def self.default
  Exporters::Svg::THEMES.fetch(Exporters::Svg::DEFAULT_THEME)
end

.gallery_html(title: 'Graphomaton Theme Gallery', themes: Exporters::Svg::THEMES, animated: false) ⇒ Object 



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# File 'lib/graphomaton.rb', line 59

def self.gallery_html(title: 'Graphomaton Theme Gallery', themes: Exporters::Svg::THEMES, animated: false)
  cards = themes.map do |name, theme|
    normalized = normalize(theme)
    theme_card(name, normalized)
  end.join("\n")

  <<~HTML
    <!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <title>#{escape_html(title)}</title>
      <style>
        body { background: #f8fafc; color: #0f172a; font-family: Georgia, serif; margin: 0; padding: 32px; }
        h1 { font-size: clamp(2rem, 4vw, 4rem); margin: 0 0 24px; }
        .theme-gallery { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
        .theme-card { background: white; border: 1px solid #e2e8f0; border-radius: 18px; box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08); overflow: hidden; }
        .theme-card h2 { font-size: 1rem; letter-spacing: 0.08em; margin: 0; padding: 16px 18px; text-transform: uppercase; }
        .theme-card svg { display: block; width: 100%; }
        #{theme_gallery_animation_css(animated)}
      </style>
    </head>
    <body>
      <h1>#{escape_html(title)}</h1>
      <div class="theme-gallery">
    #{cards}
      </div>
    </body>
    </html>
  HTML
end

.normalize(theme, context: 'Graphomaton theme') ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/graphomaton.rb', line 32

def self.normalize(theme, context: 'Graphomaton theme')
  raise ArgumentError, "#{context} must be a Hash" unless theme.is_a?(Hash)

  normalized = theme.transform_keys { |key| key.to_sym }
  unknown = normalized.keys - default.keys
  raise ArgumentError, "Unknown #{context} keys: #{unknown.join(', ')}" unless unknown.empty?

  normalized.each do |key, value|
    validate_value(key, value, context: context)
  end

  default.merge(normalized)
end

.resolve(theme, context: 'Graphomaton theme', allow_auto: false) ⇒ Object 



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# File 'lib/graphomaton.rb', line 46

def self.resolve(theme, context: 'Graphomaton theme', allow_auto: false)
  return normalize(theme, context: context) if theme.is_a?(Hash)

  theme_name = theme.to_s.to_sym
  return default if allow_auto && theme_name == :auto

  Exporters::Svg::THEMES.fetch(theme_name)
rescue KeyError
  available = available_names
  available = available + [:auto] if allow_auto
  raise ArgumentError, "Unknown #{context}: #{theme.inspect}. Available themes: #{available.join(', ')}"
end

.save_gallery_html(filename, **options) ⇒ Object 



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# File 'lib/graphomaton.rb', line 92

def self.save_gallery_html(filename, **options)
  AtomicFile.write(filename, gallery_html(**options))
end