mathias234
75b3a163c7
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72 lines
2.0 KiB
Ruby
72 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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module Notare
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module Xml
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class Numbering
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NAMESPACE = "http://schemas.openxmlformats.org/wordprocessingml/2006/main"
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BULLET_CHARS = ["•", "○", "■"].freeze
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NUMBER_FORMATS = %w[decimal lowerLetter lowerRoman].freeze
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def initialize(lists)
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@lists = lists
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end
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def to_xml
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builder = Nokogiri::XML::Builder.new(encoding: "UTF-8") do |xml|
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xml.numbering("xmlns:w" => NAMESPACE) do
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xml.parent.namespace = xml.parent.namespace_definitions.find { |ns| ns.prefix == "w" }
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@lists.each do |list|
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render_abstract_num(xml, list)
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render_num(xml, list)
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end
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end
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end
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builder.to_xml
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end
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private
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def render_abstract_num(xml, list)
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xml["w"].abstractNum("w:abstractNumId" => list.num_id.to_s) do
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9.times do |level|
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xml["w"].lvl("w:ilvl" => level.to_s) do
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xml["w"].start("w:val" => "1")
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xml["w"].numFmt("w:val" => num_format_for_level(list.type, level))
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xml["w"].lvlText("w:val" => lvl_text_for_level(list.type, level))
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xml["w"].lvlJc("w:val" => "left")
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xml["w"].pPr do
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left = 720 * (level + 1)
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xml["w"].ind("w:left" => left.to_s, "w:hanging" => "360")
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end
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end
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end
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end
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end
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def render_num(xml, list)
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xml["w"].num("w:numId" => list.num_id.to_s) do
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xml["w"].abstractNumId("w:val" => list.num_id.to_s)
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end
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end
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def num_format_for_level(type, level)
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if type == :bullet
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"bullet"
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else
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NUMBER_FORMATS[level % NUMBER_FORMATS.length]
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end
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end
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def lvl_text_for_level(type, level)
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if type == :bullet
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BULLET_CHARS[level % BULLET_CHARS.length]
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else
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"%#{level + 1}."
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end
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end
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end
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end
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end
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