Class: GlooLang::Objs::Table

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

Constant Summary collapse

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

Constants inherited from Core::Baseo

Core::Baseo::NOT_IMPLEMENTED_ERR

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_reload, #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 GlooLang::Core::Obj

Class Method Details

.messages ⇒ Object

Get a list of message names that this object receives.



98
99
100
 
# File 'lib/gloo_lang/objs/data/table.rb', line 98

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

.short_typename ⇒ Object

The short name of the object type.



27
28
29
 
# File 'lib/gloo_lang/objs/data/table.rb', line 27

def self.short_typename
  return KEYWORD_SHORT
end

.typename ⇒ Object

The name of the object type.



20
21
22
 
# File 'lib/gloo_lang/objs/data/table.rb', line 20

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:



76
77
78
 
# File 'lib/gloo_lang/objs/data/table.rb', line 76

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.



85
86
87
88
89
 
# File 'lib/gloo_lang/objs/data/table.rb', line 85

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.



46
47
48
49
50
51
 
# File 'lib/gloo_lang/objs/data/table.rb', line 46

def columns
  o = find_child HEADERS
  return [] unless o

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

#data ⇒ Object

Get the list of data elements.



56
57
58
59
60
61
62
63
64
65
 
# File 'lib/gloo_lang/objs/data/table.rb', line 56

def data
  o = find_child DATA
  return [] unless o

  o = GlooLang::Objs::Alias.resolve_alias( @engine, 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.



35
36
37
38
39
40
 
# File 'lib/gloo_lang/objs/data/table.rb', line 35

def headers
  o = find_child HEADERS
  return [] unless o

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

#msg_show ⇒ Object

Show the table in the CLI.



105
106
107
108
 
# File 'lib/gloo_lang/objs/data/table.rb', line 105

def msg_show
  title = self.value
  @engine.platform.show_table headers, data, title
end