Class: Gloo::Objs::Table

Inherits:
Core::Obj show all
Defined in:
lib/gloo/objs/data/table.rb

Constant Summary collapse

KEYWORD = 
'table'.freeze
KEYWORD_SHORT = 
'tbl'.freeze
HEADERS = 
'headers'.freeze
DATA = 
'data'.freeze

Instance Attribute Summary

Attributes inherited from Core::Obj

#children, #parent, #value

Attributes inherited from Core::Baseo

#name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Core::Obj

#add_child, can_create?, #can_receive_message?, #child_count, #contains_child?, #delete_children, #dispatch, #display_value, #find_add_child, #find_child, help, inherited, #initialize, #msg_unload, #multiline_value?, #pn, #remove_child, #root?, #send_message, #set_parent, #set_value, #type_display, #value_display, #value_is_array?, #value_is_blank?, #value_string?

Methods inherited from Core::Baseo

#initialize, #type_display

Constructor Details

This class inherits a constructor from Gloo::Core::Obj

Class Method Details

.messages ⇒ Object

Get a list of message names that this object receives.



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# File 'lib/gloo/objs/data/table.rb', line 100

def self.messages
  return super + %w[show]
end

.short_typename ⇒ Object

The short name of the object type.



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# File 'lib/gloo/objs/data/table.rb', line 29

def self.short_typename
  return KEYWORD_SHORT
end

.show(headers, data, title = nil) ⇒ Object

Show the given table data.



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# File 'lib/gloo/objs/data/table.rb', line 119

def self.show( headers, data, title = nil )
  pastel = ::Pastel.new
  table = TTY::Table.new headers, data
  pad = [ 0, 1, 0, 1 ]
  rendered = table.render( :ascii, indent: 2, padding: pad ) do |r|
    r.border.style = :blue
    r.filter = proc do |val, row_index, _col_index|
      # col_index % 2 == 1 ? pastel.red.on_green(val) : val
      if row_index.zero?
        pastel.blue( val )
      else
        row_index.odd? ? pastel.white( val ) : pastel.yellow( val )
      end
    end
  end
  puts "\n#{title.white}"
  puts "#{rendered}\n\n"
end

.typename ⇒ Object

The name of the object type.



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# File 'lib/gloo/objs/data/table.rb', line 22

def self.typename
  return KEYWORD
end

Instance Method Details

#add_children_on_create? ⇒ Boolean

Does this object have children to add when an object is created in interactive mode? This does not apply during obj load, etc.

Returns:



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# File 'lib/gloo/objs/data/table.rb', line 78

def add_children_on_create?
  return true
end

#add_default_children ⇒ Object

Add children to this object. This is used by containers to add children needed for default configurations.



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# File 'lib/gloo/objs/data/table.rb', line 87

def add_default_children
  fac = $engine.factory
  fac.create_can HEADERS, self
  fac.create_can DATA, self
end

#columns ⇒ Object

Get the list of column names. Returns nil if there is none.



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# File 'lib/gloo/objs/data/table.rb', line 48

def columns
  o = find_child HEADERS
  return [] unless o

  return o.children.map( &:name )
end

#data ⇒ Object

Get the list of data elements.



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# File 'lib/gloo/objs/data/table.rb', line 58

def data
  o = find_child DATA
  return [] unless o

  o = Gloo::Objs::Alias.resolve_alias( o )
  cols = self.columns
  return o.children.map do |e|
    cols.map { |h| e.find_child( h ).value }
  end
end

#headers ⇒ Object

Get the list of headers. Returns nil if there is none.



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# File 'lib/gloo/objs/data/table.rb', line 37

def headers
  o = find_child HEADERS
  return [] unless o

  return o.children.map( &:value )
end

#msg_show ⇒ Object

Show the table in the CLI.



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# File 'lib/gloo/objs/data/table.rb', line 107

def msg_show
  title = self.value
  Gloo::Objs::Table.show headers, data, title
end