- # frozen_string_literal: true
-
- # Redmine - project management software
- # Copyright (C) 2006-2023 Jean-Philippe Lang
- #
- # This program is free software; you can redistribute it and/or
- # modify it under the terms of the GNU General Public License
- # as published by the Free Software Foundation; either version 2
- # of the License, or (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- module Redmine
- module Themes
- # Return an array of installed themes
- def self.themes
- @@installed_themes ||= scan_themes
- end
-
- # Rescan themes directory
- def self.rescan
- @@installed_themes = scan_themes
- end
-
- # Return theme for given id, or nil if it's not found
- def self.theme(id, options={})
- return nil if id.blank?
-
- found = themes.find {|t| t.id == id}
- if found.nil? && options[:rescan] != false
- rescan
- found = theme(id, :rescan => false)
- end
- found
- end
-
- # Class used to represent a theme
- class Theme
- attr_reader :path, :name, :dir
-
- def initialize(path)
- @path = path
- @dir = File.basename(path)
- @name = @dir.humanize
- @stylesheets = nil
- @javascripts = nil
- end
-
- # Directory name used as the theme id
- def id; dir end
-
- def ==(theme)
- theme.is_a?(Theme) && theme.dir == dir
- end
-
- def <=>(theme)
- return nil unless theme.is_a?(Theme)
-
- name <=> theme.name
- end
-
- def stylesheets
- @stylesheets ||= assets("stylesheets", "css")
- end
-
- def images
- @images ||= assets("images")
- end
-
- def javascripts
- @javascripts ||= assets("javascripts", "js")
- end
-
- def favicons
- @favicons ||= assets("favicon")
- end
-
- def favicon
- favicons.first
- end
-
- def favicon?
- favicon.present?
- end
-
- def stylesheet_path(source)
- "#{asset_prefix}#{source}"
- end
-
- def image_path(source)
- "#{asset_prefix}#{source}"
- end
-
- def javascript_path(source)
- "#{asset_prefix}#{source}"
- end
-
- def favicon_path
- "#{asset_prefix}#{favicon}"
- end
-
- def asset_prefix
- "themes/#{dir}/"
- end
-
- def asset_paths
- base_dir = Pathname.new(path)
- paths = base_dir.children.filter_map{|child| child if child.directory? &&
- child.basename.to_s != "src" &&
- !child.basename.to_s.start_with?('.') }
- Redmine::AssetPath.new(base_dir, paths, asset_prefix)
- end
-
- private
-
- def assets(dir, ext=nil)
- if ext
- Dir.glob("#{path}/#{dir}/*.#{ext}").collect {|f| File.basename(f, ".#{ext}")}
- else
- Dir.glob("#{path}/#{dir}/*").collect {|f| File.basename(f)}
- end
- end
- end
-
- module Helper
- def current_theme
- unless instance_variable_defined?(:@current_theme)
- @current_theme = Redmine::Themes.theme(Setting.ui_theme)
- end
- @current_theme
- end
-
- # Returns the header tags for the current theme
- def heads_for_theme
- if current_theme && current_theme.javascripts.include?('theme')
- javascript_include_tag current_theme.javascript_path('theme')
- end
- end
- end
-
- def self.scan_themes
- dirs = Dir.glob("#{Rails.public_path}/themes/*").select do |f|
- # A theme should at least override application.css
- File.directory?(f) && File.exist?("#{f}/stylesheets/application.css")
- end
- dirs.collect {|dir| Theme.new(dir)}.sort
- end
- private_class_method :scan_themes
- end
- end
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