128 lines
3.3 KiB
Ruby
128 lines
3.3 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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module Redmine
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module Themes
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# Return an array of installed themes
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def self.themes
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@@installed_themes ||= scan_themes
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end
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# Rescan themes directory
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def self.rescan
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@@installed_themes = scan_themes
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end
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# Return theme for given id, or nil if it's not found
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def self.theme(id, options={})
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return nil if id.blank?
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found = themes.find {|t| t.id == id}
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if found.nil? && options[:rescan] != false
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rescan
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found = theme(id, :rescan => false)
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end
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found
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end
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# Class used to represent a theme
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class Theme
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attr_reader :path, :name, :dir
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def initialize(path)
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@path = path
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@dir = File.basename(path)
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@name = @dir.humanize
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@stylesheets = nil
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@javascripts = nil
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end
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# Directory name used as the theme id
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def id; dir end
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def ==(theme)
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theme.is_a?(Theme) && theme.dir == dir
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end
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def <=>(theme)
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name <=> theme.name
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end
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def stylesheets
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@stylesheets ||= assets("stylesheets", "css")
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end
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def images
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@images ||= assets("images")
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end
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def javascripts
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@javascripts ||= assets("javascripts", "js")
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end
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def stylesheet_path(source)
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"/themes/#{dir}/stylesheets/#{source}"
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end
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def image_path(source)
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"/themes/#{dir}/images/#{source}"
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end
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def javascript_path(source)
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"/themes/#{dir}/javascripts/#{source}"
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end
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private
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def assets(dir, ext=nil)
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if ext
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Dir.glob("#{path}/#{dir}/*.#{ext}").collect {|f| File.basename(f).gsub(/\.#{ext}$/, '')}
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else
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Dir.glob("#{path}/#{dir}/*").collect {|f| File.basename(f)}
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end
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end
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end
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private
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def self.scan_themes
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dirs = Dir.glob("#{Rails.public_path}/themes/*").select do |f|
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# A theme should at least override application.css
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File.directory?(f) && File.exist?("#{f}/stylesheets/application.css")
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end
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dirs.collect {|dir| Theme.new(dir)}.sort
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end
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end
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end
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module ApplicationHelper
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def current_theme
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unless instance_variable_defined?(:@current_theme)
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@current_theme = Redmine::Themes.theme(Setting.ui_theme)
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end
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@current_theme
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end
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# Returns the header tags for the current theme
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def heads_for_theme
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if current_theme && current_theme.javascripts.include?('theme')
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javascript_include_tag current_theme.javascript_path('theme')
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end
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end
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end
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