Class: Axlsx::Workbook

Inherits:
Object
  • Object
show all
Defined in:
lib/axlsx/workbook/workbook.rb

Overview

The Workbook class is an xlsx workbook that manages worksheets, charts, drawings and styles. The following parts of the Office Open XML spreadsheet specification are not implemented in this version.

bookViews calcPr customWorkbookViews definedNames externalReferences extLst fileRecoveryPr fileSharing fileVersion functionGroups oleSize pivotCaches smartTagPr smartTagTypes webPublishing webPublishObjects workbookProtection workbookPr*

*workbookPr is only supported to the extend of date1904

Constant Summary collapse

BOLD_FONT_MULTIPLIER = 
1.5
FONT_SCALE_DIVISOR = 
10.0
@@date1904 =

Indicates if the epoc date for serialization should be 1904. If false, 1900 is used.

false

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) {|_self| ... } ⇒ Workbook

Creates a new Workbook. The recommended way to work with workbooks is via Package#workbook.

Parameters:

  • options (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (options):

  • date1904 (Boolean) —

    If this is not specified, date1904 is set to false. Office 2011 for Mac defaults to false.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/axlsx/workbook/workbook.rb', line 231

def initialize(options = {})
  @styles = Styles.new
  @worksheets = SimpleTypedList.new Worksheet
  @drawings = SimpleTypedList.new Drawing
  @charts = SimpleTypedList.new Chart
  @images = SimpleTypedList.new Pic
  # Are these even used????? Check package serialization parts
  @tables = SimpleTypedList.new Table
  @pivot_tables = SimpleTypedList.new PivotTable
  @comments = SimpleTypedList.new Comments
  @use_autowidth = true
  @bold_font_multiplier = BOLD_FONT_MULTIPLIER
  @font_scale_divisor = FONT_SCALE_DIVISOR

  self.escape_formulas = options[:escape_formulas].nil? ? Axlsx.escape_formulas : options[:escape_formulas]
  self.date1904 = !options[:date1904].nil? && options[:date1904]
  yield self if block_given?
end

Instance Attribute Details

#bold_font_multiplier ⇒ Float

Font size of bold fonts is multiplied with this Used for automatic calculation of cell widths with bold text

Returns:

  • (Float) 


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# File 'lib/axlsx/workbook/workbook.rb', line 304

def bold_font_multiplier
  @bold_font_multiplier
end

#charts ⇒ SimpleTypedList (readonly)

Note:

The recommended way to manage charts is Worksheet#add_chart

A collection of charts associated with this workbook

Returns:

  • (SimpleTypedList)

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 123

def charts
  @charts
end

#drawings ⇒ SimpleTypedList (readonly)

Note:

The recommended way to manage drawings is Worksheet#add_chart

A collection of drawings associated with this workbook

Returns:

  • (SimpleTypedList)

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 137

def drawings
  @drawings
end

#escape_formulas ⇒ Boolean

Whether to treat values starting with an equals sign as formulas or as literal strings. Allowing user-generated data to be interpreted as formulas is a security risk. See https://www.owasp.org/index.php/CSV_Injection for details.

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 279

def escape_formulas
  @escape_formulas
end

#font_scale_divisor ⇒ Float

Font scale is calculated with this value (font_size / font_scale_divisor) Used for automatic calculation of cell widths

Returns:

  • (Float) 


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# File 'lib/axlsx/workbook/workbook.rb', line 314

def font_scale_divisor
  @font_scale_divisor
end

#images ⇒ SimpleTypedList (readonly)

Note:

The recommended way to manage images is Worksheet#add_image

A collection of images associated with this workbook

Returns:

  • (SimpleTypedList)

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 130

def images
  @images
end

#is_reversed ⇒ Boolean

If true reverse the order in which the workbook is serialized

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 104

def is_reversed
  @is_reversed
end

#pivot_tables ⇒ SimpleTypedList (readonly)

Note:

The recommended way to manage drawings is Worksheet#add_table

A collection of pivot tables associated with this workbook

Returns:

  • (SimpleTypedList)

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 153

def pivot_tables
  @pivot_tables
end

#styles_applied ⇒ Object

Are the styles added with workbook.add_styles applied yet

Returns:

  • Boolean



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# File 'lib/axlsx/workbook/workbook.rb', line 195

def styles_applied
  @styles_applied
end

#tables ⇒ SimpleTypedList (readonly)

Note:

The recommended way to manage drawings is Worksheet#add_table

A collection of tables associated with this workbook

Returns:

  • (SimpleTypedList)

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 146

def tables
  @tables
end

#use_autowidth ⇒ Boolean

Note:

This gem no longer depends on RMagick for autowidth calculation. Thus the performance benefits of turning this off are marginal unless you are creating a very large sheet.

Indicates if the workbook should use autowidths or not.

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 293

def use_autowidth
  @use_autowidth
end

#use_shared_strings ⇒ Boolean

When true, the Package will be generated with a shared string table. This may be required by some OOXML processors that do not adhere to the ECMA specification that dictates string may be inline in the sheet. Using this option will increase the time required to serialize the document as every string in every cell must be analzed and referenced.

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 94

def use_shared_strings
  @use_shared_strings
end

#worksheets ⇒ SimpleTypedList (readonly)

Note:

The recommended way to manage worksheets is add_worksheet

A collection of worksheets associated with this workbook.

Returns:

  • (SimpleTypedList)

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 116

def worksheets
  @worksheets
end

Class Method Details

.date1904 ⇒ Boolean

retrieves the date1904 attribute

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 271

def self.date1904
  @@date1904
end

.date1904=(v) ⇒ Boolean

Sets the date1904 attribute to the provided boolean

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 264

def self.date1904=(v)
  Axlsx.validate_boolean v
  @@date1904 = v
end

Instance Method Details

#[](cell_def) ⇒ Cell, Array

returns a range of cells in a worksheet retrieve the cells from. e.g. range('Sheet1!A1:B2') will return an array of four cells [A1, A2, B1, B2] while range('Sheet1!A1') will return a single Cell.

Parameters:

  • cell_def (String) —

    The Excel style reference defining the worksheet and cells. The range must specify the sheet to

Returns:

Raises:

  • (ArgumentError) 


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# File 'lib/axlsx/workbook/workbook.rb', line 410

def [](cell_def)
  sheet_name = cell_def.split('!')[0] if cell_def.include?('!')
  worksheet =  worksheets.find { |s| s.name == sheet_name }
  raise ArgumentError, 'Unknown Sheet' unless sheet_name && worksheet.is_a?(Worksheet)

  worksheet[cell_def.gsub(/.+!/, "")]
end

#add_defined_name(formula, options) ⇒ DefinedName

Adds a defined name to this workbook

Parameters:

  • formula (String) —

    @see DefinedName

  • options (Hash) —

    @see DefinedName

Returns:



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# File 'lib/axlsx/workbook/workbook.rb', line 361

def add_defined_name(formula, options)
  defined_names << DefinedName.new(formula, options)
end

#add_view(options = {}) ⇒ Object

Adds a new WorkbookView

Parameters:

  • options (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (options):

  • options (Hash) —

    passed into the added WorkbookView

Returns:

  • WorkbookViews

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 353

def add_view(options = {})
  views << WorkbookView.new(options)
end

#add_worksheet(options = {}) {|worksheet| ... } ⇒ Worksheet

Adds a worksheet to this workbook

Parameters:

  • options (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (options):

  • name (String) —

    The name of the worksheet.

  • page_margins (Hash) —

    The page margins for the worksheet.

Yields:

  • (worksheet)

Returns:

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 343

def add_worksheet(options = {})
  worksheet = Worksheet.new(self, options)
  yield worksheet if block_given?
  worksheet
end

#apply_styles ⇒ Boolean

A helper to apply styles that were added using worksheet.add_style

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 199

def apply_styles
  return false unless styled_cells

  styled_cells.each do |cell|
    current_style = styles.style_index[cell.style]

    new_style = if current_style
                  Axlsx.hash_deep_merge(current_style, cell.raw_style)
                else
                  cell.raw_style
                end

    cell.style = styles.add_style(new_style)
  end

  self.styles_applied = true
end

#comments ⇒ Comments

Note:

The recommended way to manage comments is WOrksheet#add_comment

A collection of comments associated with this workbook

Returns:

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 173

def comments
  worksheets.map(&:comments).compact
end

#date1904 ⇒ Boolean

Instance level access to the class variable 1904

Returns:

  • (Boolean) 


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# File 'lib/axlsx/workbook/workbook.rb', line 252

def date1904
  @@date1904
end

#date1904=(v) ⇒ Object

see @date1904



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# File 'lib/axlsx/workbook/workbook.rb', line 257

def date1904=(v)
  Axlsx.validate_boolean v
  @@date1904 = v
end

#defined_names ⇒ DefinedNames

Note:

The recommended way to manage defined names is Workbook#add_defined_name

A collection of defined names for this workbook

Returns:

See Also:



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# File 'lib/axlsx/workbook/workbook.rb', line 164

def defined_names
  @defined_names ||= DefinedNames.new
end

#insert_worksheet(index = 0, options = {}) {|worksheet| ... } ⇒ Worksheet

inserts a worksheet into this workbook at the position specified. It the index specified is out of range, the worksheet will be added to the end of the worksheets collection

Parameters:

  • index (defaults to: 0) —

    The zero based position to insert the newly created worksheet

  • options (Hash) (defaults to: {}) —

    Options to pass into the worksheed during initialization.

Options Hash (options):

  • name (String) —

    The name of the worksheet

  • page_margins (Hash) —

    The page margins for the worksheet

Yields:

  • (worksheet)

Returns:



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# File 'lib/axlsx/workbook/workbook.rb', line 329

def insert_worksheet(index = 0, options = {})
  worksheet = Worksheet.new(self, options)
  @worksheets.delete_at(@worksheets.size - 1)
  @worksheets.insert(index, worksheet)
  yield worksheet if block_given?
  worksheet
end

#relationships ⇒ Relationships

The workbook relationships. This is managed automatically by the workbook

Returns:



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# File 'lib/axlsx/workbook/workbook.rb', line 367

def relationships
  r = Relationships.new
  @worksheets.each do |sheet|
    r << Relationship.new(sheet, WORKSHEET_R, format(WORKSHEET_PN, r.size + 1))
  end
  pivot_tables.each_with_index do |pivot_table, index|
    r << Relationship.new(pivot_table.cache_definition, PIVOT_TABLE_CACHE_DEFINITION_R, format(PIVOT_TABLE_CACHE_DEFINITION_PN, index + 1))
  end
  r << Relationship.new(self, STYLES_R, STYLES_PN)
  if use_shared_strings
    r << Relationship.new(self, SHARED_STRINGS_R, SHARED_STRINGS_PN)
  end
  r
end

#shared_strings ⇒ SharedStringTable

generates a shared string object against all cells in all worksheets.

Returns:

  • (SharedStringTable) 


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# File 'lib/axlsx/workbook/workbook.rb', line 384

def shared_strings
  SharedStringsTable.new(worksheets.collect(&:cells), xml_space)
end

#sheet_by_name(name) ⇒ Worksheet

A quick helper to retrieve a worksheet by name

Parameters:

  • name (String) —

    The name of the sheet you are looking for

Returns:



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# File 'lib/axlsx/workbook/workbook.rb', line 223

def sheet_by_name(name)
  encoded_name = Axlsx.coder.encode(name)
  @worksheets.find { |sheet| sheet.name == encoded_name }
end

#styled_cells ⇒ Object

An array that holds all cells with styles

Returns:

  • Set



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# File 'lib/axlsx/workbook/workbook.rb', line 189

def styled_cells
  @styled_cells ||= Set.new
end

#styles {|@styles| ... } ⇒ Styles

Note:

The recommended way to manage styles is Styles#add_style

The styles associated with this workbook

Yields:

Returns:

See Also:

  • Style#add_style
  • Style


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# File 'lib/axlsx/workbook/workbook.rb', line 182

def styles
  yield @styles if block_given?
  @styles
end

#to_xml_string(str = +'')) ⇒ String

Serialize the workbook

Parameters:

  • str (String) (defaults to: +''))

Returns:

  • (String) 


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# File 'lib/axlsx/workbook/workbook.rb', line 421

def to_xml_string(str = +'')
  add_worksheet(name: 'Sheet1') if worksheets.empty?
  str << '<?xml version="1.0" encoding="UTF-8"?>'
  str << '<workbook xmlns="' << XML_NS << '" xmlns:r="' << XML_NS_R << '">'
  str << '<workbookPr date1904="' << @@date1904.to_s << '"/>'
  views.to_xml_string(str)
  str << '<sheets>'
  if is_reversed
    worksheets.reverse_each { |sheet| sheet.to_sheet_node_xml_string(str) }
  else
    worksheets.each { |sheet| sheet.to_sheet_node_xml_string(str) }
  end
  str << '</sheets>'
  defined_names.to_xml_string(str)
  unless pivot_tables.empty?
    str << '<pivotCaches>'
    pivot_tables.each do |pivot_table|
      str << '<pivotCache cacheId="' << pivot_table.cache_definition.cache_id.to_s << '" r:id="' << pivot_table.cache_definition.rId << '"/>'
    end
    str << '</pivotCaches>'
  end
  str << '</workbook>'
end

#views ⇒ Object

A collection of views for this workbook



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# File 'lib/axlsx/workbook/workbook.rb', line 156

def views
  @views ||= WorkbookViews.new
end

#xml_space ⇒ Object

The xml:space attribute for the worksheet. This determines how whitespace is handled within the document. The most relevant part being whitespace in the cell text. allowed values are :preserve and :default. Axlsx uses :preserve unless you explicily set this to :default.

Returns:

  • Symbol



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# File 'lib/axlsx/workbook/workbook.rb', line 394

def xml_space
  @xml_space ||= :preserve
end

#xml_space=(space) ⇒ Object

Sets the xml:space attribute for the worksheet

Parameters:

  • space (Symbol) —

    must be one of :preserve or :default

See Also:

  • Axlsx::Worksheet#xml_space


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# File 'lib/axlsx/workbook/workbook.rb', line 401

def xml_space=(space)
  Axlsx::RestrictionValidator.validate(:xml_space, [:preserve, :default], space)
  @xml_space = space
end