Class: Axlsx::Title

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

Overview

A Title stores information about the title of a chart

Direct Known Subclasses

SeriesTitle

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title = "") ⇒ Title

Creates a new Title object

Parameters:

  • title (String, Cell) (defaults to: "") —

    The cell or string to be used for the chart's title



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# File 'lib/axlsx/drawing/title.rb', line 16

def initialize(title="")
  self.cell = title if title.is_a?(Cell)
  self.text = title.to_s unless title.is_a?(Cell)
end

Instance Attribute Details

#cell ⇒ Cell

The cell that holds the text for the title. Setting this property will automatically update the text attribute.

Returns:



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# File 'lib/axlsx/drawing/title.rb', line 12

def cell
  @cell
end

#text ⇒ String

The text to be shown. Setting this property directly with a string will remove the cell reference.

Returns:

  • (String) 


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# File 'lib/axlsx/drawing/title.rb', line 8

def text
  @text
end

Instance Method Details

#to_xml_string(str = '') ⇒ String

Serializes the object

Parameters:

  • str (String) (defaults to: '')

Returns:

  • (String) 


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# File 'lib/axlsx/drawing/title.rb', line 45

def to_xml_string(str = '')
  str << '<c:title>'
  unless @text.empty?
    str << '<c:tx>'
    if @cell.is_a?(Cell)
      str << '<c:strRef>'
      str << '<c:f>' << Axlsx::cell_range([@cell]) << '</c:f>'
      str << '<c:strCache>'
      str << '<c:ptCount val="1"/>'
      str << '<c:pt idx="0">'
      str << '<c:v>' << @text << '</c:v>'
      str << '</c:pt>'
      str << '</c:strCache>'
      str << '</c:strRef>'
    else
      str << '<c:rich>'
        str << '<a:bodyPr/>'
        str << '<a:lstStyle/>'
        str << '<a:p>'
          str << '<a:r>'
            str << '<a:t>' << @text.to_s << '</a:t>'
          str << '</a:r>'
        str << '</a:p>'
      str << '</c:rich>'
    end
    str << '</c:tx>'
  end
  str << '<c:layout/>'
  str << '<c:overlay val="0"/>'
  str << '</c:title>'
end