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module Axlsx
# The Marker class defines a point in the worksheet that drawing anchors attach to.
# @note The recommended way to manage markers is Worksheet#add_chart Markers are created for a two cell anchor based on the :start and :end options.
# @see Worksheet#add_chart
class Marker
# The column this marker anchors to
# @return [Integer]
attr_reader :col
# The offset distance from this marker's column
# @return [Integer]
attr_reader :colOff
# The row this marker anchors to
# @return [Integer]
attr_reader :row
# The offset distance from this marker's row
# @return [Integer]
attr_reader :rowOff
# Creates a new Marker object
# @option options [Integer] col
# @option options [Integer] colOff
# @option options [Integer] row
# @option options [Integer] rowOff
def initialize(options={})
@col, @colOff, @row, @rowOff = 0, 0, 0, 0
options.each do |o|
self.send("#{o[0]}=", o[1]) if self.respond_to? o[0]
end
end
# @see col
def col=(v) Axlsx::validate_unsigned_int v; @col = v end
# @see colOff
def colOff=(v) Axlsx::validate_int v; @colOff = v end
# @see row
def row=(v) Axlsx::validate_unsigned_int v; @row = v end
# @see rowOff
def rowOff=(v) Axlsx::validate_int v; @rowOff = v end
# shortcut to set the column, row position for this marker
# @param col the column for the marker
# @param row the row of the marker
def coord(col, row)
self.col = col
self.row = row
end
# Serializes the marker
# @param [Nokogiri::XML::Builder] xml The document builder instance this objects xml will be added to.
# @return [String]
def to_xml(xml)
[:col, :colOff, :row, :rowOff].each do |k|
xml.send(k.to_sym, self.send(k))
end
end
end
end
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