obsolete.ChilliProject/lib/redmine/menu_manager/menu_helper.rb

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#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
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#
# Copyright (C) 2010-2012 the ChiliProject Team
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#
# 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.
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#
# See doc/COPYRIGHT.rdoc for more details.
#++
module Redmine::MenuManager::MenuHelper
# Returns the current menu item name
def current_menu_item
@controller.current_menu_item
end
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# Renders the application main menu
def render_main_menu(project)
render_menu((project && !project.new_record?) ? :project_menu : :application_menu, project)
end
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def display_main_menu?(project)
menu_name = project && !project.new_record? ? :project_menu : :application_menu
Redmine::MenuManager.items(menu_name).size > 1 # 1 element is the root
end
def render_menu(menu, project=nil)
links = []
menu_items_for(menu, project) do |node|
links << render_menu_node(node, project)
end
links.empty? ? nil : content_tag('ul', links.join("\n"))
end
def render_menu_node(node, project=nil)
if node.hasChildren? || !node.child_menus.nil?
return render_menu_node_with_children(node, project)
else
caption, url, selected = extract_node_details(node, project)
return content_tag('li',
render_single_menu_node(node, caption, url, selected))
end
end
def render_menu_node_with_children(node, project=nil)
caption, url, selected = extract_node_details(node, project)
html = [].tap do |html|
html << '<li>'
# Parent
html << render_single_menu_node(node, caption, url, selected)
# Standard children
standard_children_list = "".tap do |child_html|
node.children.each do |child|
child_html << render_menu_node(child, project)
end
end
html << content_tag(:ul, standard_children_list, :class => 'menu-children') unless standard_children_list.empty?
# Unattached children
unattached_children_list = render_unattached_children_menu(node, project)
html << content_tag(:ul, unattached_children_list, :class => 'menu-children unattached') unless unattached_children_list.blank?
html << '</li>'
end
return html.join("\n")
end
# Returns a list of unattached children menu items
def render_unattached_children_menu(node, project)
return nil unless node.child_menus
"".tap do |child_html|
unattached_children = node.child_menus.call(project)
# Tree nodes support #each so we need to do object detection
if unattached_children.is_a? Array
unattached_children.each do |child|
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child_html << content_tag(:li, render_unattached_menu_item(child, project))
end
else
raise Redmine::MenuManager::MenuError, ":child_menus must be an array of MenuItems"
end
end
end
def render_single_menu_node(item, caption, url, selected)
link_to(h(caption), url, item.html_options(:selected => selected))
end
def render_unattached_menu_item(menu_item, project)
raise Redmine::MenuManager::MenuError, ":child_menus must be an array of MenuItems" unless menu_item.is_a? Redmine::MenuManager::MenuItem
if User.current.allowed_to?(menu_item.url, project)
link_to(h(menu_item.caption),
menu_item.url,
menu_item.html_options)
end
end
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def menu_items_for(menu, project=nil)
items = []
Redmine::MenuManager.items(menu).root.children.each do |node|
if allowed_node?(node, User.current, project)
if block_given?
yield node
else
items << node # TODO: not used?
end
end
end
return block_given? ? nil : items
end
def extract_node_details(node, project=nil)
item = node
url = case item.url
when Hash
project.nil? ? item.url : {item.param => project}.merge(item.url)
when Symbol
send(item.url)
else
item.url
end
caption = item.caption(project)
return [caption, url, (current_menu_item == item.name)]
end
# Checks if a user is allowed to access the menu item by:
#
# * Checking the conditions of the item
# * Checking the url target (project only)
def allowed_node?(node, user, project)
if node.condition && !node.condition.call(project)
# Condition that doesn't pass
return false
end
if project
return user && user.allowed_to?(node.url, project)
else
# outside a project, all menu items allowed
return true
end
end
end