Class: Tabled::Helpers

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

Class Method Summary collapse

Class Method Details

.calculate_columns_width(data:, options:) ⇒ Object

Calculates columns size



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# File 'lib/helpers.rb', line 6

def self.calculate_columns_width(data:, options:)
  columns_width = []

  data.each do |row|
    # [0..-2] Due to reason last item is always hash with row params
    row[0..-2].each_with_index do |column, index|
      column_size = column.to_s.gsub(/\e\[[0-9;]*m/, '').size
      columns_width[index] = column_size if column_size > (columns_width[index] || 0)
    end
  end

  # If titles longer than data use titles column width
  columns_width.each_with_index do |_column_size, index|
    title_size = options[:titles].fetch(index, '').gsub(/\e\[[0-9;]*m/, '').size

    columns_width[index] = [title_size, columns_width[index]].max
  end

  # Add 1 space in the end of each column
  columns_width = columns_width.map { |column_width| column_width + 1 }
  # Space in the last column is extra when table isn't framed
  columns_width[-1] = columns_width[-1] - 1 unless options[:framed]

  # Add to the last column footer spaces if needed
  longest_footer_size = # longest footers
    data.map do |row|
      row.last.fetch(:footer, '').gsub(/\e\[[0-9;]*m/, '')
    end.max.to_s.size + 1
  last_col_spaces = longest_footer_size - columns_width.sum # spaces required to the end
  columns_width[-1] = columns_width.last + last_col_spaces if last_col_spaces.positive?

  columns_width
end

.convert_to_required_structure(data) ⇒ Object

Add hash as a last element of the row



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# File 'lib/helpers.rb', line 41

def self.convert_to_required_structure(data)
  data.map do |row|
    row << {} unless row.last.is_a?(Hash)
    row
  end
end