Class: Writexlsx::Package::Metadata

Inherits:
Object
  • Object
show all
Includes:
Utility::XmlPrimitives
Defined in:
lib/write_xlsx/package/metadata.rb

Overview

Metadata - A class for writing the Excel XLSX metadata.xml file.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utility::XmlPrimitives

#r_id_attributes, #write_color, #write_xml_declaration, #xml_str

Constructor Details

#initialize(workbook) ⇒ Metadata

Returns a new instance of Metadata.



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# File 'lib/write_xlsx/package/metadata.rb', line 18

def initialize(workbook)
  @writer = Package::XMLWriterSimple.new
  @workbook = workbook
  @has_dynamic_functions = false
  @has_embedded_images   = false
  @num_embedded_images   = 0
end

Instance Attribute Details

#has_dynamic_functions=(value) ⇒ Object (writeonly)

Sets the attribute has_dynamic_functions

Parameters:

  • value —

    the value to set the attribute has_dynamic_functions to.



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# File 'lib/write_xlsx/package/metadata.rb', line 15

def has_dynamic_functions=(value)
  @has_dynamic_functions = value
end

#num_embedded_images=(value) ⇒ Object (writeonly)

Sets the attribute num_embedded_images

Parameters:

  • value —

    the value to set the attribute num_embedded_images to.



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# File 'lib/write_xlsx/package/metadata.rb', line 16

def num_embedded_images=(value)
  @num_embedded_images = value
end

Instance Method Details

#assemble_xml_file ⇒ Object 



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# File 'lib/write_xlsx/package/metadata.rb', line 30

def assemble_xml_file
  @has_embedded_images = true if @num_embedded_images > 0

  write_xml_declaration do
    # Write the metadata element.
    write_metadata

    # Write the metadataTypes element.
    write_metadata_types

    # Write the futureMetadata element.
    write_cell_future_metadata  if @has_dynamic_functions
    write_value_future_metadata if @has_embedded_images

    # Write the cellMetadata element.
    write_cell_metadata  if @has_dynamic_functions
    write_value_metadata if @has_embedded_images

    @writer.end_tag('metadata')
  end
end

#set_xml_writer(filename) ⇒ Object 



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# File 'lib/write_xlsx/package/metadata.rb', line 26

def set_xml_writer(filename)
  @writer.set_xml_writer(filename)
end