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

90 lines
2.5 KiB
Ruby

#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
#
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
require 'tree' # gem install rubytree
class Redmine::MenuManager::TreeNode < Tree::TreeNode
attr_reader :last_items_count
def initialize(name, content = nil)
@last_items_count = 0
super
end
# Adds the specified child node to the receiver node. The child node's
# parent is set to be the receiver. The child is added as the first child in
# the current list of children for the receiver node.
def prepend(child)
raise "Child already added" if @childrenHash.has_key?(child.name)
@childrenHash[child.name] = child
@children = [child] + @children
child.parent = self
return child
end
# Adds the specified child node to the receiver node. The child node's
# parent is set to be the receiver. The child is added at the position
# into the current list of children for the receiver node.
def add_at(child, position)
raise "Child already added" if @childrenHash.has_key?(child.name)
@childrenHash[child.name] = child
@children = @children.insert(position, child)
child.parent = self
return child
end
def add_last(child)
raise "Child already added" if @childrenHash.has_key?(child.name)
@childrenHash[child.name] = child
@children << child
@last_items_count += 1
child.parent = self
return child
end
# Adds the specified child node to the receiver node. The child node's
# parent is set to be the receiver. The child is added as the last child in
# the current list of children for the receiver node.
def add(child)
raise "Child already added" if @childrenHash.has_key?(child.name)
@childrenHash[child.name] = child
position = @children.size - @last_items_count
@children.insert(position, child)
child.parent = self
return child
end
# Wrapp remove! making sure to decrement the last_items counter if
# the removed child was a last item
def remove!(child)
@last_items_count -= +1 if child && child.last
super
end
# Will return the position (zero-based) of the current child in
# it's parent
def position
self.parent.children.index(self)
end
end