Class: DeclarativeGrid::Model::Row

Inherits:
Object
  • Object
show all
Defined in:
lib/declarative_grid/model/row.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Row

Constructor



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# File 'lib/declarative_grid/model/row.rb', line 9

def initialize
  @columns_hash = {}
end

Instance Attribute Details

#columns_hash ⇒ Object (readonly)

Attributes



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# File 'lib/declarative_grid/model/row.rb', line 6

def columns_hash
  @columns_hash
end

Instance Method Details

#columns(*names) ⇒ Object

Return a list of the columns

PARAM: names can be:

1) a list of Symbols : returns selected columns according to names
2) an empty list     : returns all the columns

NOTE: the returned columns is ordered by the given names



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# File 'lib/declarative_grid/model/row.rb', line 34

def columns(*names)
  names = names.flatten
  if names.empty?
    @columns_hash.values
  else
    @columns_hash.values_at *(names.map(&:to_sym))
  end
end

#define_column(name, options = {}, &block) ⇒ Object

Define a column



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# File 'lib/declarative_grid/model/row.rb', line 20

def define_column(name, options = {}, &block)
  name = name.to_sym
  check_column_name_collision! name
  @columns_hash[name] = Column.new name, options, &block
end

#initialize_copy(other) ⇒ Object

Copy Constructor



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# File 'lib/declarative_grid/model/row.rb', line 14

def initialize_copy(other)
  super(other)
  @columns_hash = other.columns_hash.dup
end