122 lines
4.8 KiB
Ruby
122 lines
4.8 KiB
Ruby
# redMine - project management software
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# Copyright (C) 2006-2007 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 WikiFormatting
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module Macros
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module Definitions
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def exec_macro(name, obj, args)
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method_name = "macro_#{name}"
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send(method_name, obj, args) if respond_to?(method_name)
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end
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def extract_macro_options(args, *keys)
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options = {}
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while args.last.to_s.strip =~ %r{^(.+)\=(.+)$} && keys.include?($1.downcase.to_sym)
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options[$1.downcase.to_sym] = $2
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args.pop
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end
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return [args, options]
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end
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end
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@@available_macros = {}
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class << self
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# Called with a block to define additional macros.
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# Macro blocks accept 2 arguments:
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# * obj: the object that is rendered
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# * args: macro arguments
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#
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# Plugins can use this method to define new macros:
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#
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# Redmine::WikiFormatting::Macros.register do
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# desc "This is my macro"
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# macro :my_macro do |obj, args|
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# "My macro output"
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# end
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# end
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def register(&block)
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class_eval(&block) if block_given?
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end
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private
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# Defines a new macro with the given name and block.
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def macro(name, &block)
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name = name.to_sym if name.is_a?(String)
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@@available_macros[name] = @@desc || ''
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@@desc = nil
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raise "Can not create a macro without a block!" unless block_given?
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Definitions.send :define_method, "macro_#{name}".downcase, &block
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end
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# Sets description for the next macro to be defined
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def desc(txt)
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@@desc = txt
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end
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end
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# Builtin macros
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desc "Sample macro."
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macro :hello_world do |obj, args|
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"Hello world! Object: #{obj.class.name}, " + (args.empty? ? "Called with no argument." : "Arguments: #{args.join(', ')}")
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end
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desc "Displays a list of all available macros, including description if available."
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macro :macro_list do
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out = ''
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@@available_macros.keys.collect(&:to_s).sort.each do |macro|
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out << content_tag('dt', content_tag('code', macro))
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out << content_tag('dd', textilizable(@@available_macros[macro.to_sym]))
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end
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content_tag('dl', out)
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end
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desc "Displays a list of child pages. With no argument, it displays the child pages of the current wiki page. Examples:\n\n" +
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" !{{child_pages}} -- can be used from a wiki page only\n" +
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" !{{child_pages(Foo)}} -- lists all children of page Foo\n" +
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" !{{child_pages(Foo, parent=1)}} -- same as above with a link to page Foo"
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macro :child_pages do |obj, args|
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args, options = extract_macro_options(args, :parent)
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page = nil
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if args.size > 0
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page = Wiki.find_page(args.first.to_s, :project => @project)
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elsif obj.is_a?(WikiContent)
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page = obj.page
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else
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raise 'With no argument, this macro can be called from wiki pages only.'
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end
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raise 'Page not found' if page.nil? || !User.current.allowed_to?(:view_wiki_pages, page.wiki.project)
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pages = ([page] + page.descendants).group_by(&:parent_id)
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render_page_hierarchy(pages, options[:parent] ? page.parent_id : page.id)
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end
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desc "Include a wiki page. Example:\n\n !{{include(Foo)}}\n\nor to include a page of a specific project wiki:\n\n !{{include(projectname:Foo)}}"
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macro :include do |obj, args|
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page = Wiki.find_page(args.first.to_s, :project => @project)
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raise 'Page not found' if page.nil? || !User.current.allowed_to?(:view_wiki_pages, page.wiki.project)
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@included_wiki_pages ||= []
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raise 'Circular inclusion detected' if @included_wiki_pages.include?(page.title)
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@included_wiki_pages << page.title
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out = textilizable(page.content, :text, :attachments => page.attachments)
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@included_wiki_pages.pop
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out
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end
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end
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end
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end
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