Class: Datagrid::Columns::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/datagrid/columns/column.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(grid, name, options = {}, &block) ⇒ Column

Returns a new instance of Column.



6
7
8
9
10
11
 
# File 'lib/datagrid/columns/column.rb', line 6

def initialize(grid, name, options = {}, &block)
  self.grid = grid
  self.name = name
  self.options = options
  self.block = block
end

Instance Attribute Details

#block ⇒ Object

Returns the value of attribute block.



4
5
6
 
# File 'lib/datagrid/columns/column.rb', line 4

def block
  @block
end

#grid ⇒ Object

Returns the value of attribute grid.



4
5
6
 
# File 'lib/datagrid/columns/column.rb', line 4

def grid
  @grid
end

#name ⇒ Object

Returns the value of attribute name.



4
5
6
 
# File 'lib/datagrid/columns/column.rb', line 4

def name
  @name
end

#options ⇒ Object

Returns the value of attribute options.



4
5
6
 
# File 'lib/datagrid/columns/column.rb', line 4

def options
  @options
end

Instance Method Details

#desc_order ⇒ Object 



46
47
48
 
# File 'lib/datagrid/columns/column.rb', line 46

def desc_order
  self.options[:desc_order]  || (order ? order.to_s + " DESC" : nil)
end

#format ⇒ Object 



25
26
27
 
# File 'lib/datagrid/columns/column.rb', line 25

def format
  self.options[:format]
end

#header ⇒ Object 



33
34
35
36
 
# File 'lib/datagrid/columns/column.rb', line 33

def header
  self.options[:header] || 
    I18n.translate(self.name, :scope => "reports.#{self.grid}.columns", :default => self.name.to_s.humanize )
end

#label ⇒ Object 



29
30
31
 
# File 'lib/datagrid/columns/column.rb', line 29

def label
  self.options[:label]
end

#order ⇒ Object 



38
39
40
41
42
43
44
 
# File 'lib/datagrid/columns/column.rb', line 38

def order
  if options.has_key?(:order)
    self.options[:order]
  else
    grid.scope.column_names.include?(name.to_s) ? [grid.scope.table_name, name].join(".") : nil
  end
end

#value(object) ⇒ Object 



13
14
15
 
# File 'lib/datagrid/columns/column.rb', line 13

def value(object)
  value_for(object)
end

#value_for(object) ⇒ Object 



17
18
19
20
21
22
23
 
# File 'lib/datagrid/columns/column.rb', line 17

def value_for(object)
  if self.block.arity == 1
    self.block.call(object)
  else
    object.instance_eval(&self.block)
  end
end