Class: HTOTConv::Generator::XlsxType4

Inherits:
XlsxBase show all
Defined in:
lib/htot_conv/generator/xlsx_type4.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from XlsxBase

#output

Methods inherited from Base

#initialize, #output

Constructor Details

This class inherits a constructor from HTOTConv::Generator::Base

Class Method Details

.option_help ⇒ Object 



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# File 'lib/htot_conv/generator/xlsx_type4.rb', line 8

def self.option_help
  super.merge({
    :integrate_cells => {
      :default => nil,
      :pat => [:colspan, :rowspan, :both],
      :desc => "integrate key cells (specify 'colspan', 'rowspan' or 'both')",
    },
  })
end

Instance Method Details

#output_to_worksheet(ws) ⇒ Object 



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# File 'lib/htot_conv/generator/xlsx_type4.rb', line 18

def output_to_worksheet(ws)
  max_level = @data.max_level
  max_value_length = @data.max_value_length
  row_index = 0

  ((1..max_level).map {|l| @data.key_header[l - 1] || nil }).concat(
    HTOTConv::Util.pad_array(@data.value_header, max_value_length)
  ).each_with_index do |v, col_index|
    ws.add_cell(row_index, col_index, v)
    [:top, :bottom, :left, :right].each do |edge|
      ws[row_index][col_index].change_border(edge, "thin")
    end
  end
  row_index = row_index.succ

  rowspan_cells = Array.new(max_level) { [] }
  @data.to_tree.descendants.each do |node|
    if node.leaf?
      item = node.item

      key_cell = Array.new(max_level, nil)
      [node].concat(node.ancestors.to_a).each do |c_node|
        key_cell[c_node.item.level - 1] = c_node.item.key if c_node.item
        break if c_node.prev
      end

      value_cell = HTOTConv::Util.pad_array(item.value, max_value_length)

      key_cell.concat(value_cell).each_with_index do |v, col_index|
        ws.add_cell(row_index, col_index, v)
        [:top, :bottom, :left, :right].each do |edge|
          ws[row_index][col_index].change_border(edge, "thin")
        end
      end

      node.ancestors.each_with_object([node]) do |c_node, descendants|
        if (c_node.item && c_node.item.level)
          edges = []
          edges << :top if (descendants.any? { |v| v.prev })
          edges << :bottom if (descendants.any? { |v| v.next })
          edges.each do |edge|
            ws[row_index][c_node.item.level - 1].change_border(edge, nil)
          end
        end
        descendants.unshift(c_node)
      end
      (item.level..max_level).each do |level|
        edges = []
        edges << :left unless (level == item.level)
        edges << :right unless (level == max_level)
        edges.each do |edge|
          ws[row_index][level - 1].change_border(edge, nil)
        end
      end

      if [:colspan, :both].include?(@option[:integrate_cells])
        if item.level < max_level
          ws.merge_cells(row_index, item.level - 1, row_index, max_level - 1)
        end
      end

      node.ancestors.each_with_object([node]) do |c_node, descendants|
        rowspan_cells[c_node.item.level - 1] << [row_index, c_node.item.level - 1]
        unless (descendants.any? { |v| v.next })
          if [:rowspan, :both].include?(@option[:integrate_cells])
            if rowspan_cells[c_node.item.level - 1].length > 1
              ws.merge_cells(
                rowspan_cells[c_node.item.level - 1].map(&:first).min,
                rowspan_cells[c_node.item.level - 1].map(&:last).min,
                rowspan_cells[c_node.item.level - 1].map(&:first).max,
                rowspan_cells[c_node.item.level - 1].map(&:last).max,
              )
            end
          end
          rowspan_cells[c_node.item.level - 1].clear
        end
        descendants.unshift(c_node)
      end

      (max_level..(max_level + max_value_length - 1)).each do |col_index|
        [:top, :bottom, :left, :right].each do |edge|
          ws[row_index][col_index].change_border(edge, "thin")
        end
      end

      row_index = row_index.succ
    end
  end
end