Redmine/lib/redmine/themes.rb

86 lines
2.5 KiB
Ruby

# redMine - project management software
# Copyright (C) 2006-2007 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={})
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 :name, :dir, :stylesheets
def initialize(path)
@dir = File.basename(path)
@name = @dir.humanize
@stylesheets = Dir.glob("#{path}/stylesheets/*.css").collect {|f| File.basename(f).gsub(/\.css$/, '')}
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
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 stylesheet_path(source)
@current_theme ||= Redmine::Themes.theme(Setting.ui_theme)
super((@current_theme && @current_theme.stylesheets.include?(source)) ?
"/themes/#{@current_theme.dir}/stylesheets/#{source}" : source)
end
def path_to_stylesheet(source)
stylesheet_path source
end
end