Class: Spreadsheet::Workbook

Inherits:
Object
  • Object
show all
Includes:
Encodings
Defined in:
lib/spreadsheet/workbook.rb

Overview

The Workbook class represents a Spreadsheet-Document and is the entry point for all Spreadsheet manipulation.

Interesting Attributes:

#default_format

The default format used for all cells in this Workbook. that have no format set explicitly or in Row#default_format or Worksheet#default_format.

Direct Known Subclasses

Excel::Workbook

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io = nil, opts = {:default_format => Format.new}) ⇒ Workbook

Returns a new instance of Workbook.



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# File 'lib/spreadsheet/workbook.rb', line 17

def initialize io = nil, opts={:default_format => Format.new}
  @worksheets = []
  @io = io
  @fonts = []
  @palette = {}
  @formats = []
  @formats_set = {}
  if @default_format = opts[:default_format]
    add_format @default_format
  end
end

Instance Attribute Details

#active_worksheet ⇒ Object

Returns the value of attribute active_worksheet.



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# File 'lib/spreadsheet/workbook.rb', line 16

def active_worksheet
  @active_worksheet
end

#default_format ⇒ Object

Returns the value of attribute default_format.



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# File 'lib/spreadsheet/workbook.rb', line 16

def default_format
  @default_format
end

#encoding ⇒ Object

Returns the value of attribute encoding.



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# File 'lib/spreadsheet/workbook.rb', line 16

def encoding
  @encoding
end

#fonts ⇒ Object (readonly)

Returns the value of attribute fonts.



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# File 'lib/spreadsheet/workbook.rb', line 15

def fonts
  @fonts
end

#formats ⇒ Object (readonly)

Returns the value of attribute formats.



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# File 'lib/spreadsheet/workbook.rb', line 15

def formats
  @formats
end

#io ⇒ Object (readonly)

Returns the value of attribute io.



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# File 'lib/spreadsheet/workbook.rb', line 15

def io
  @io
end

#palette ⇒ Object (readonly)

Returns the value of attribute palette.



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# File 'lib/spreadsheet/workbook.rb', line 15

def palette
  @palette
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/spreadsheet/workbook.rb', line 16

def version
  @version
end

#worksheets ⇒ Object (readonly)

Returns the value of attribute worksheets.



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# File 'lib/spreadsheet/workbook.rb', line 15

def worksheets
  @worksheets
end

Instance Method Details

#add_font(font) ⇒ Object

Add a Font to the Workbook. Used by the parser. You should not need to use this Method.



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# File 'lib/spreadsheet/workbook.rb', line 31

def add_font font
  @fonts.push(font).uniq! if font
  font
end

#add_format(format) ⇒ Object

Add a Format to the Workbook. If you use Row#set_format, you should not need to use this Method.



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# File 'lib/spreadsheet/workbook.rb', line 38

def add_format format
  if format && !@formats_set[format]
    @formats_set[format] = true
    @formats.push(format)
  end
  format
end

#add_worksheet(worksheet) ⇒ Object

Add a Worksheet to the Workbook.



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# File 'lib/spreadsheet/workbook.rb', line 47

def add_worksheet worksheet
  worksheet.workbook = self
  @worksheets.push worksheet
  worksheet
end

#create_worksheet(opts = {}) ⇒ Object

Create a new Worksheet in this Workbook. Used without options this creates a Worksheet with the name ‘WorksheetN’ where the new Worksheet is the Nth Worksheet in this Workbook.

Use the option :name => ‘My pretty Name’ to override this behavior.



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# File 'lib/spreadsheet/workbook.rb', line 71

def create_worksheet opts = {}
  opts[:name] ||= client("Worksheet#{@worksheets.size.next}", 'UTF-8')
  add_worksheet Worksheet.new(opts)
end

#delete_worksheet(worksheet_index) ⇒ Object

Delete a Worksheet from Workbook by it’s index



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# File 'lib/spreadsheet/workbook.rb', line 54

def delete_worksheet worksheet_index
  @worksheets.delete_at worksheet_index
end

#font(idx) ⇒ Object

The Font at idx



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# File 'lib/spreadsheet/workbook.rb', line 83

def font idx
  @fonts[idx]
end

#format(idx) ⇒ Object

The Format at idx, or - if idx is a String - the Format with name == idx



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# File 'lib/spreadsheet/workbook.rb', line 89

def format idx
  case idx
  when Integer
    @formats[idx] || @default_format
  when String
    @formats.find do |fmt| fmt.name == idx end
  end
end

#inspect ⇒ Object 



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# File 'lib/spreadsheet/workbook.rb', line 97

def inspect
  variables = (instance_variables - uninspect_variables).collect do |name|
    "%s=%s" % [name, instance_variable_get(name)]
  end.join(' ')
  uninspect = uninspect_variables.collect do |name|
    var = instance_variable_get name
    "%s=%s[%i]" % [name, var.class, var.size]
  end.join(' ')
  sprintf "#<%s:0x%014x %s %s>", self.class, object_id,
                                 variables, uninspect
end

#set_custom_color(idx, red, green, blue) ⇒ Object

Change the RGB components of the elements in the colour palette.



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# File 'lib/spreadsheet/workbook.rb', line 59

def set_custom_color idx, red, green, blue
  raise 'Invalid format' if [red, green, blue].find { |c| ! (0..255).include?(c) }

  @palette[idx] = [red, green, blue]
end

#sheet_count ⇒ Object

Returns the count of total worksheets present. Takes no arguments. Just returns the length of @worksheets array.



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# File 'lib/spreadsheet/workbook.rb', line 78

def sheet_count
@worksheets.length
end

#uninspect_variables ⇒ Object

:nodoc:



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# File 'lib/spreadsheet/workbook.rb', line 108

def uninspect_variables # :nodoc:
  %w{@formats @fonts @worksheets}
end

#worksheet(idx) ⇒ Object

The Worksheet at idx, or - if idx is a String - the Worksheet with name == idx



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# File 'lib/spreadsheet/workbook.rb', line 114

def worksheet idx
  case idx
  when Integer
    @worksheets[idx]
  when String
    @worksheets.find do |sheet| sheet.name == idx end
  end
end

#write(io_path_or_writer) ⇒ Object

Write this Workbook to a File, IO Stream or Writer Object. The latter will make more sense once there are more than just an Excel-Writer available.



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# File 'lib/spreadsheet/workbook.rb', line 125

def write io_path_or_writer
  if io_path_or_writer.is_a? Writer
    io_path_or_writer.write self
  else
    writer(io_path_or_writer).write(self)
  end
end

#writer(io_or_path, type = Excel, version = self.version) ⇒ Object

Returns a new instance of the default Writer class for this Workbook (can only be an Excel::Writer::Workbook at this time)



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# File 'lib/spreadsheet/workbook.rb', line 135

def writer io_or_path, type=Excel, version=self.version
  if type == Excel
    Excel::Writer::Workbook.new io_or_path
  else
    raise NotImplementedError, "No Writer defined for #{type}"
  end
end