discourse/lib/stylesheet/importer.rb

127 lines
3.1 KiB
Ruby

require_dependency 'stylesheet/common'
module Stylesheet
class Importer < SassC::Importer
@special_imports = {}
def self.special_imports
@special_imports
end
def self.register_import(name, &blk)
@special_imports[name] = blk
end
register_import "plugins" do
import_files(DiscoursePluginRegistry.stylesheets)
end
register_import "plugins_mobile" do
import_files(DiscoursePluginRegistry.mobile_stylesheets)
end
register_import "plugins_desktop" do
import_files(DiscoursePluginRegistry.desktop_stylesheets)
end
register_import "plugins_variables" do
import_files(DiscoursePluginRegistry.sass_variables)
end
register_import "theme_variables" do
contents = ""
colors = (@theme_id && theme.color_scheme) ? theme.color_scheme.resolved_colors : ColorScheme.base_colors
colors.each do |n, hex|
contents << "$#{n}: ##{hex} !default;\n"
end
Import.new("theme_variable.scss", source: contents)
end
register_import "category_backgrounds" do
contents = ""
Category.where('uploaded_background_id IS NOT NULL').each do |c|
contents << category_css(c) if c.uploaded_background
end
Import.new("categoy_background.scss", source: contents)
end
register_import "embedded_theme" do
next unless @theme_id
theme_import(:common, :embedded_scss)
end
register_import "mobile_theme" do
next unless @theme_id
theme_import(:mobile, :scss)
end
register_import "desktop_theme" do
next unless @theme_id
theme_import(:desktop, :scss)
end
def initialize(options)
@theme_id = options[:theme_id]
end
def import_files(files)
files.map do |file|
# we never want inline css imports, they are a mess
# this tricks libsass so it imports inline instead
if file =~ /\.css$/
file = file[0..-5]
end
Import.new(file)
end
end
def theme_import(target, attr)
fields = theme.list_baked_fields(target, attr)
fields.map do |field|
value = field.value
if value.present?
filename = "#{field.theme.id}/#{field.target_name}-#{field.name}-#{field.theme.name.parameterize}.scss"
with_comment = <<COMMENT
// Theme: #{field.theme.name}
// Target: #{field.target_name} #{field.name}
// Last Edited: #{field.updated_at}
#{value}
COMMENT
Import.new(filename, source: with_comment)
end
end.compact
end
def theme
@theme ||= Theme.find(@theme_id)
end
def apply_cdn(url)
"#{GlobalSetting.cdn_url}#{url}"
end
def category_css(category)
"body.category-#{category.full_slug} { background-image: url(#{apply_cdn(category.uploaded_background.url)}) }\n"
end
def imports(asset, parent_path)
if asset[-1] == "*"
Dir["#{Stylesheet::ASSET_ROOT}/#{asset}.scss"].map do |path|
Import.new(asset[0..-2] + File.basename(path, ".*"))
end
elsif callback = Importer.special_imports[asset]
instance_eval(&callback)
else
Import.new(asset + ".scss")
end
end
end
end