Class: PT::DataTable

Inherits:
Object
  • Object
show all
Extended by:
Hirb::Console
Defined in:
lib/pt/data_table.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dataset) ⇒ DataTable

Returns a new instance of DataTable.



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# File 'lib/pt/data_table.rb', line 10

def initialize(dataset)
  @rows = dataset.map{ |row| DataRow.new(row, dataset) }
end

Class Method Details

.fields ⇒ Object 



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# File 'lib/pt/data_table.rb', line 43

def self.fields
  []
end

.headers ⇒ Object 



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# File 'lib/pt/data_table.rb', line 47

def self.headers
  []
end

Instance Method Details

#[](pos) ⇒ Object 



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# File 'lib/pt/data_table.rb', line 34

def [](pos)
  pos = pos.to_i
  (pos < 1 || pos > @rows.length) ? nil : @rows[pos-1].record
end

#length ⇒ Object 



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# File 'lib/pt/data_table.rb', line 39

def length
  @rows.length
end

#print(config = {}) ⇒ Object 



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# File 'lib/pt/data_table.rb', line 14

def print(config={})
  if @rows.empty?
    puts "\n#{'-- empty list --'.center(36)}\n"
  else

    max_width = Hirb::Util.detect_terminal_size()[0]
    if config[:max_width] && config[:max_width] < max_width
      max_width = config[:max_width]
    end
    headers = [:num]

    headers += self.class.headers.present? ? self.class.headers : self.class.fields

    self.class.table @rows, :fields => [:num] + self.class.fields,
         :change_fields => %w{num pt_id},
         :unicode => true, :description => false,
         :max_width => max_width
  end
end