Class: Pulo::FrameCell

Inherits:
Object
  • Object
show all
Defined in:
lib/pulo/frames/frame_cell.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent_column, parent_row, value = nil) ⇒ FrameCell

Returns a new instance of FrameCell.


4
5
6
7
8
9
 
# File 'lib/pulo/frames/frame_cell.rb', line 4

def initialize(parent_column,parent_row,value=nil)
  @parent_column=parent_column
  @parent_row=parent_row
  @error=false
  self.value=value
end

Instance Method Details

#column ⇒ Object 


11
12
13
 
# File 'lib/pulo/frames/frame_cell.rb', line 11

def column
  @parent_column
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 

19
20
21
 
# File 'lib/pulo/frames/frame_cell.rb', line 19

def empty?
  @value.nil?
end

#error? ⇒ Boolean

Returns:

  • (Boolean) 

33
34
35
 
# File 'lib/pulo/frames/frame_cell.rb', line 33

def error?
  @error
end

#row ⇒ Object 


15
16
17
 
# File 'lib/pulo/frames/frame_cell.rb', line 15

def row
  @parent_row
end

#set_error ⇒ Object 


27
28
29
 
# File 'lib/pulo/frames/frame_cell.rb', line 27

def set_error
  @error=true
end

#to_s ⇒ Object 


74
75
76
77
78
79
80
 
# File 'lib/pulo/frames/frame_cell.rb', line 74

def to_s
  begin
    @parent_column.formatter.call(value).ljust(@parent_column.width,' ')
  rescue Exception => e
    value.to_s
  end
end

#unset_error ⇒ Object 


30
31
32
 
# File 'lib/pulo/frames/frame_cell.rb', line 30

def unset_error
  @error=false
end

#value ⇒ Object 


37
38
39
40
41
42
43
 
# File 'lib/pulo/frames/frame_cell.rb', line 37

def value
  #raise "Column (#{@parent_column.name}) requires re-calc, value not available." if @parent_column.recalc_required
  return "ERR" if error?
  #return "UNK" if @parent_column.recalc_required
  #return "NIL" if empty?
  @value
end

#value=(val) ⇒ Object 


45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/pulo/frames/frame_cell.rb', line 45

def value=(val)

  if @parent_column.column_class==NilClass
    @parent_column.column_class=val.class
    if val.class.respond_to?(:quantity_name)
      @parent_column.column_unit=val.unit
    end
  end

  if val.class.respond_to?(:quantity_name)
    if val.unit.name!=@parent_column.column_unit.name
      val=val.send(@parent_column.column_unit.name)
    end
  end

  if @parent_column.column_class!=NilClass && val.class!=NilClass
    if val.class.respond_to?(:quantity_name)
      unless val.class.dimensions==@parent_column.column_class.dimensions
        raise "Tried to set a value (#{val.to_s}) of class #{val.class} with dimensions #{val.class.dimensions} on column #{@parent_column.name} which already has a defined class of #{@parent_column.column_class}."
      end
    else
      unless val.class==@parent_column.column_class
        raise "Tried to set a value (#{val.to_s}) of class #{val.class} on column #{@parent_column.name} which already has a defined class of #{@parent_column.column_class}."
      end
    end
  end
  @value=val
end

#value_column? ⇒ Boolean

Returns:

  • (Boolean) 

23
24
25
 
# File 'lib/pulo/frames/frame_cell.rb', line 23

def value_column?
  @parent_column.value_column?
end