Class: Termplot::Widgets::HistogramWidget

Inherits:
BaseWidget
  • Object
show all
Defined in:
lib/termplot/widgets/histogram_widget.rb

Defined Under Namespace

Classes: Bin, PositionedBin

Constant Summary collapse

DEFAULT_COLOR = 
"green"

Instance Attribute Summary collapse

Attributes inherited from BaseWidget

#bordered_window, #cols, #dataset, #decimals, #errors, #rows, #title, #window

Instance Method Summary collapse

Methods inherited from BaseWidget

#<<, #initialize

Methods included from Renderable

#debug?, #render, #render_to_string

Constructor Details

This class inherits a constructor from Termplot::Widgets::BaseWidget

Instance Attribute Details

#color ⇒ Object (readonly)

Returns the value of attribute color.



14
15
16
 
# File 'lib/termplot/widgets/histogram_widget.rb', line 14

def color
  @color
end

Instance Method Details

#post_initialize(opts) ⇒ Object 



16
17
18
 
# File 'lib/termplot/widgets/histogram_widget.rb', line 16

def post_initialize(opts)
  @color = opts[:color] || DEFAULT_COLOR
end

#render_to_window ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/termplot/widgets/histogram_widget.rb', line 20

def render_to_window
  errors.clear
  window.clear
  window.cursor.reset_position

  bins = calculate_bins
  bins = bin_data(bins)
  bins = calculate_bin_coordinates(bins)
  calculate_axis_size(bins)
  render_bins(bins)
  window.cursor.reset_position

  # Title bar
  Termplot::Renderers::TextRenderer.new(
    bordered_window: bordered_window,
    text: title_text,
    row: 0,
    errors: errors
  ).render

  window.cursor.reset_position

  # Borders
  Termplot::Renderers::BorderRenderer.new(
    bordered_window: bordered_window
  ).render

  window.cursor.reset_position

  # Ticks
  render_ticks(bins)
  window.cursor.reset_position
end