# Redmine - project management software # Copyright (C) 2006-2014 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) 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) "/themes/#{dir}/stylesheets/#{source}" end def image_path(source) "/themes/#{dir}/images/#{source}" end def javascript_path(source) "/themes/#{dir}/javascripts/#{source}" end def favicon_path "/themes/#{dir}/favicon/#{favicon}" end private def assets(dir, ext=nil) if ext Dir.glob("#{path}/#{dir}/*.#{ext}").collect {|f| File.basename(f).gsub(/\.#{ext}$/, '')} else Dir.glob("#{path}/#{dir}/*").collect {|f| File.basename(f)} end end end private 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 end end module ApplicationHelper 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