class RubyXL::ContentTypes

# File lib/rubyXL/objects/content_types.rb, line 26
def self.xlsx_path
  '[Content_Types].xml'
end

# File lib/rubyXL/objects/content_types.rb, line 34
def before_write_xml
  self.defaults = []
  unless @workbook.printer_settings.empty?
    defaults << RubyXL::ContentTypeDefault.new(:extension => 'bin',
                  :content_type => 'application/vnd.openxmlformats-officedocument.spreadsheetml.printerSettings')
  end

  defaults << RubyXL::ContentTypeDefault.new(:extension => 'rels',
                  :content_type => 'application/vnd.openxmlformats-package.relationships+xml' )

  defaults << RubyXL::ContentTypeDefault.new(:extension => 'xml',
                  :content_type => 'application/xml' )

  # TODO: Need to only write these types when respective content is actually present.

  defaults << RubyXL::ContentTypeDefault.new(:extension => 'jpeg', :content_type => 'image/jpeg' )
  defaults << RubyXL::ContentTypeDefault.new(:extension => 'png', :content_type => 'image/png' )

  self.overrides = []
  overrides << generate_override(workbook)
  workbook.worksheets.each { |sheet| overrides << generate_override(sheet) }
  overrides << generate_override(workbook.stylesheet)
  overrides << generate_override(workbook.document_properties)
  overrides << generate_override(workbook.core_properties)
  overrides << generate_override(workbook.shared_strings_container) unless workbook.shared_strings_container.empty?
  overrides << generate_override(workbook.calculation_chain) unless workbook.calculation_chain.nil?
  overrides << generate_override(workbook.theme)

  workbook.charts.each_pair { |k, v|
    case k
    when /^chart\d*.xml$/ then
      overrides << RubyXL::ContentTypeOverride.new(:part_name => "/#{@workbook.charts.local_dir_path}/#{k}",
                     :content_type => 'application/vnd.openxmlformats-officedocument.drawingml.chart+xml')
    when /^style\d*.xml$/ then
      overrides << RubyXL::ContentTypeOverride.new(:part_name => "/#{@workbook.charts.local_dir_path}/#{k}",
                     :content_type => 'application/vnd.ms-office.chartstyle+xml')
    when /^colors\d*.xml$/ then
      overrides << RubyXL::ContentTypeOverride.new(:part_name => "/#{@workbook.charts.local_dir_path}/#{k}",
                     :content_type => 'application/vnd.ms-office.chartcolorstyle+xml')
    end
  }

  workbook.drawings.each_pair { |k, v|
    case k
    when /.xml$/ then
      overrides << RubyXL::ContentTypeOverride.new(:part_name => "/#{@workbook.drawings.local_dir_path}/#{k}",
                     :content_type => 'application/vnd.openxmlformats-officedocument.drawing+xml')
    when /.vml$/ then
      # more proper fix: <Default Extension="vml" ContentType="application/vnd.openxmlformats-officedocument.vmlDrawing"/>

      overrides << RubyXL::ContentTypeOverride.new(:part_name => "/#{@workbook.drawings.local_dir_path}/#{k}",
                     :content_type => 'application/vnd.openxmlformats-officedocument.vmlDrawing')
    end
  }

  unless workbook.external_links.nil?
    1.upto(workbook.external_links.size - 1) { |i|
      overrides << RubyXL::ContentTypeOverride.new(:part_name => "/xl/externalLinks/externalLink#{i}.xml",
                   :content_type => 'application/vnd.openxmlformats-officedocument.spreadsheetml.externalLink+xml')
    }
  end

  unless @workbook.macros.empty?
    overrides << RubyXL::ContentTypeOverride.new(:part_name => '/xl/vbaProject.bin',
                   :content_type => 'application/vnd.ms-office.vbaProject')
  end

  true
end

# File lib/rubyXL/objects/content_types.rb, line 30
def generate_override(obj)
  RubyXL::ContentTypeOverride.new(:part_name => "/#{obj.xlsx_path}", :content_type => obj.class.content_type)
end