OpenProject is the leading open source project management software.
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openproject/app/helpers/wiki_helper.rb

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#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2017 Jean-Philippe Lang
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# See docs/COPYRIGHT.rdoc for more details.
#++
module WikiHelper
def wiki_page_options_for_select(pages,
ids: true,
placeholder: true)
s = if placeholder
["-- #{t('label_no_parent_page')} --", '']
else
[]
end
s + wiki_page_options_for_select_of_level(pages.group_by(&:parent),
ids: ids)
end
def breadcrumb_for_page(page, action = nil)
related_pages = page.ancestors.reverse
if action
related_pages += [page]
end
paths = related_pages.map { |parent| link_to h(parent.breadcrumb_title), project_wiki_path(parent, parent.project) }
paths += if action
[action]
else
[h(page.breadcrumb_title)]
end
breadcrumb_paths(*paths)
end
def nl2br(content)
content.gsub(/(?:\n\r?|\r\n?)/, '<br />').html_safe
end
private
def wiki_page_options_for_select_of_level(pages,
parent: nil,
level: 0,
ids: true)
return [] unless pages[parent]
pages[parent].inject([]) do |s, page|
s << wiki_page_option(page, level, ids)
s += wiki_page_options_for_select_of_level(pages, parent: page, level: level + 1, ids: ids)
s
end
end
def wiki_page_option(page, level, ids)
indent = level.positive? ? ('&nbsp;' * level * 2 + '&#187; ') : ''
id = ids ? page.id : page.title
[(indent + h(page.title)).html_safe, id]
end
end