Class: Spreadsheet::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/spreadsheet/builder.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/spreadsheet/builder.rb', line 6

def initialize
  @xml = XmlBuilder.new
end

Instance Method Details

#boolean_cell(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 125

def boolean_cell(*args)
  value = args.shift
  options = args.last.is_a?(Hash) ? args.last : {}
  options[:align] ||= :center
  cell(:string, (value ? 'Да' : 'Нет'), options)
end

#cell(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 69

def cell(*args)
  options = (args.last.kind_of?(Hash) ? args.pop : {})
  if args.size > 1
    type = args.shift
    value = args.first
  elsif args.size == 1
    value = args.first
    type = case value
           when Numeric then :float
           when Date then :date
           when true, false then :boolean
           else :string
           end
  else
    type = :string
    value = ''
  end

  attrs = { 'office:value-type' => type }
  style_name = options.delete(:style) || (@in_header ? 'header' : type)
  if options[:align] || options[:background]
    style_name = style(:cell, :parent => style_name,
                              :align => options[:align],
                              :background => options[:background])
  end
  attrs.update('table:style-name' => style_name)
  attrs.update('table:number-columns-spanned' => options[:span]) if options[:span]
  attrs.update('table:number-rows-spanned' => options[:rowspan]) if options[:rowspan]

  value = value ? 'true' : 'false' if type == :boolean

  if options[:formula]
    attrs['table:formula'] = options[:formula]
  else
    if type == :float
      attrs['office:value'] = value
    else
      attrs["office:#{type}-value"] = value 
    end
  end

  @xml.tag! 'table:table-cell', attrs
end

#column(options = {}) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 45

def column(options={})
  style_name = nil
  style_name = style(:column, :width => options[:width]) if options[:width]
  @xml.tag! 'table:table-column', 'table:style-name' => style_name

  @tables.last[:columns] += 1
end

#content! ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 10

def content!
  finish
end

#date_cell(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 121

def date_cell(*args)
  cell :date, *args
end

#header ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 63

def header
  @in_header = true
  @xml.tag!('table:table-header-rows') { yield if block_given? }
  @in_header = nil
end

#numeric_cell(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 117

def numeric_cell(*args)
  cell :float, *args
end

#row(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 53

def row(*args)
  @tables.last[ @in_header ? :hrows : :drows ] += 1

  options = args.last.is_a?(Hash) ? args.pop : {}
  attrs = {}
  attrs = attrs.merge('table:style-name' => options.delete(:style)) if options.has_key?(:style)

  @xml.tag!('table:table-row', attrs) { yield if block_given? }
end

#spreadsheet ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 14

def spreadsheet
  @styles = {}
  @tables = []

  @xml = XmlBuilder.new
  @xml.tag! 'office:body' do
    @xml.tag! 'office:spreadsheet' do
	    yield if block_given?
   
	    @xml.tag! 'table:database-ranges' do
	      for table_metadata in @tables
	        start_address = cell_address(table_metadata[:hrows], 1)
	        end_address = cell_address(table_metadata[:hrows]+table_metadata[:drows], table_metadata[:columns])
	        @xml.tag! 'table:database-range', 'table:target-range-address' => "'#{table_metadata[:title]}':.#{start_address}:'#{table_metadata[:title]}'.#{end_address}", 'table:display-filter-buttons' => 'true'
       end
     end
   end
  end
end

#string_cell(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 113

def string_cell(*args)
  cell :string, *args
end

#table(*args) ⇒ Object 



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# File 'lib/spreadsheet/builder.rb', line 34

def table(*args)
  options = args.last.is_a?(Hash) ? args.pop : {}
  title = args.first || "Sheet #{@tables.size+1}"
  # TODO: ensure table title is unique
  attrs = { 'table:name' => title }

  @tables << { :title => title, :columns => 0, :hrows => 0, :drows => 0 }

 @xml.tag!('table:table', attrs) { yield if block_given? }
end