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Versions: 17
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Contents
# encoding: UTF-8
module Axlsx
# A graphic frame defines a container for a chart object
# @note The recommended way to manage charts is Worksheet#add_chart
# @see Worksheet#add_chart
class GraphicFrame
# A reference to the chart object associated with this frame
# @return [Chart]
attr_reader :chart
# A anchor that holds this frame
# @return [TwoCellAnchor]
attr_reader :anchor
# Creates a new GraphicFrame object
# @param [TwoCellAnchor] anchor
# @param [Class] chart_type
def initialize(anchor, chart_type, options)
DataTypeValidator.validate "Drawing.chart_type", Chart, chart_type
@anchor = anchor
@chart = chart_type.new(self, options)
end
# The relationship id for this graphic frame.
# @return [String]
def rId
@anchor.drawing.relationships.for(chart).Id
end
# Serializes the object
# @param [String] str
# @return [String]
def to_xml_string(str = '')
# macro attribute should be optional!
str << '<xdr:graphicFrame>'
str << '<xdr:nvGraphicFramePr>'
str << ('<xdr:cNvPr id="' << @anchor.drawing.index.to_s << '" name="' << 'item_' << @anchor.drawing.index.to_s << '"/>')
str << '<xdr:cNvGraphicFramePr/>'
str << '</xdr:nvGraphicFramePr>'
str << '<xdr:xfrm>'
str << '<a:off x="0" y="0"/>'
str << '<a:ext cx="0" cy="0"/>'
str << '</xdr:xfrm>'
str << '<a:graphic>'
str << ('<a:graphicData uri="' << XML_NS_C << '">')
str << ('<c:chart xmlns:c="' << XML_NS_C << '" xmlns:r="' << XML_NS_R << '" r:id="' << rId << '"/>')
str << '</a:graphicData>'
str << '</a:graphic>'
str << '</xdr:graphicFrame>'
end
end
end
Version data entries
17 entries across 17 versions & 6 rubygems