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99 lines
3.2 KiB
99 lines
3.2 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
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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 version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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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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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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require 'tree' # gem install rubytree
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class Redmine::MenuManager::TreeNode < Tree::TreeNode
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attr_reader :last_items_count
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def initialize(name, content = nil)
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@last_items_count = 0
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super
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end
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# Adds the specified child node to the receiver node. The child node's
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# parent is set to be the receiver. The child is added as the first child in
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# the current list of children for the receiver node.
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def prepend(child)
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raise 'Child already added' if @children_hash.has_key?(child.name)
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@children_hash[child.name] = child
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@children = [child] + @children
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child.parent = self
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child
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end
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# Adds the specified child node to the receiver node. The child node's
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# parent is set to be the receiver. The child is added at the position
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# into the current list of children for the receiver node.
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def add_at(child, position)
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raise 'Child already added' if @children_hash.has_key?(child.name)
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@children_hash[child.name] = child
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@children = @children.insert(position, child)
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child.parent = self
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child
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end
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def add_last(child)
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raise 'Child already added' if @children_hash.has_key?(child.name)
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@children_hash[child.name] = child
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@children << child
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@last_items_count += 1
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child.parent = self
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child
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end
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# Adds the specified child node to the receiver node. The child node's
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# parent is set to be the receiver. The child is added as the last child in
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# the current list of children for the receiver node.
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def add(child)
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raise 'Child already added' if @children_hash.has_key?(child.name)
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@children_hash[child.name] = child
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position = @children.size - @last_items_count
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@children.insert(position, child)
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child.parent = self
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child
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end
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# Wrapp remove! making sure to decrement the last_items counter if
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# the removed child was a last item
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def remove!(child)
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@last_items_count -= +1 if child && child.last
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super
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end
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# Will return the position (zero-based) of the current child in
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# it's parent
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def position
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parent.children.index(self)
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end
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end
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