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# encoding: utf-8

#

# Redmine - project management software

# Copyright (C) 2006-2012  Jean-Philippe Lang

#

# 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.

module ProjectsHelper

  def link_to_version(version, options = {})

    return '' unless version && version.is_a?(Version)

    link_to_if version.visible?, format_version_name(version), { :controller => 'versions', :action => 'show', :id => version }, options

  end

  def project_settings_tabs

    tabs = [{:name => 'info', :action => :edit_project, :partial => 'projects/edit', :label => :label_information_plural},

            {:name => 'modules', :action => :select_project_modules, :partial => 'projects/settings/modules', :label => :label_module_plural},

            {:name => 'members', :action => :manage_members, :partial => 'projects/settings/members', :label => :label_member_plural},

            {:name => 'versions', :action => :manage_versions, :partial => 'projects/settings/versions', :label => :label_version_plural},

            {:name => 'categories', :action => :manage_categories, :partial => 'projects/settings/issue_categories', :label => :label_issue_category_plural},

            {:name => 'wiki', :action => :manage_wiki, :partial => 'projects/settings/wiki', :label => :label_wiki},

            {:name => 'repositories', :action => :manage_repository, :partial => 'projects/settings/repositories', :label => :label_repository_plural},

            {:name => 'boards', :action => :manage_boards, :partial => 'projects/settings/boards', :label => :label_board_plural},

            {:name => 'activities', :action => :manage_project_activities, :partial => 'projects/settings/activities', :label => :enumeration_activities}

            ]

    tabs.select {|tab| User.current.allowed_to?(tab[:action], @project)}

  end

  def parent_project_select_tag(project)

    selected = project.parent

    # retrieve the requested parent project

    parent_id = (params[:project] && params[:project][:parent_id]) || params[:parent_id]

    if parent_id

      selected = (parent_id.blank? ? nil : Project.find(parent_id))

    end

    options = ''

    options << "<option value=''></option>" if project.allowed_parents.include?(nil)

    options << project_tree_options_for_select(project.allowed_parents.compact, :selected => selected)

    content_tag('select', options.html_safe, :name => 'project[parent_id]', :id => 'project_parent_id')

  end

  # Renders the projects index

  def render_project_hierarchy(projects)

    render_project_nested_lists(projects) do |project|

      s = link_to_project(project, {}, :class => "#{project.css_classes} #{User.current.member_of?(project) ? 'my-project' : nil}")

      if project.description.present?

        s << content_tag('div', textilizable(project.short_description, :project => project), :class => 'wiki description')

      end

      s

    end

  end

  # Returns a set of options for a select field, grouped by project.

  def version_options_for_select(versions, selected=nil)

    grouped = Hash.new {|h,k| h[k] = []}

    versions.each do |version|

      grouped[version.project.name] << [version.name, version.id]

    end

    if grouped.keys.size > 1

      grouped_options_for_select(grouped, selected && selected.id)

    else

      options_for_select((grouped.values.first || []), selected && selected.id)

    end

  end

  def format_version_sharing(sharing)

    sharing = 'none' unless Version::VERSION_SHARINGS.include?(sharing)

    l("label_version_sharing_#{sharing}")

  end

end