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# frozen_string_literal: true
module Axlsx
# A simple list of merged cells
class MergedCells < SimpleTypedList
# creates a new MergedCells object
# @param [Worksheet] worksheet
def initialize(worksheet)
raise ArgumentError, 'you must provide a worksheet' unless worksheet.is_a?(Worksheet)
super String
end
# adds cells to the merged cells collection
# @param [Array|String] cells The cells to add to the merged cells
# collection. This can be an array of actual cells or a string style
# range like 'A1:C1'
def add(cells)
self << if cells.is_a?(String)
cells
elsif cells.is_a?(Array)
Axlsx.cell_range(cells, false)
end
end
# serialize the object
# @param [String] str
# @return [String]
def to_xml_string(str = +'')
return if empty?
str << "<mergeCells count='#{size}'>"
each { |merged_cell| str << "<mergeCell ref='#{merged_cell}'></mergeCell>" }
str << '</mergeCells>'
end
end
end
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