Class: Termplot::Widgets::TimeSeriesWidget

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

Defined Under Namespace

Classes: Point, Tick

Constant Summary collapse

DEFAULT_COLOR = 
"yellow"
DEFAULT_LINE_STYLE = 
"line"

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.



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# File 'lib/termplot/widgets/time_series_widget.rb', line 15

def color
  @color
end

#line_style ⇒ Object (readonly)

Returns the value of attribute line_style.



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# File 'lib/termplot/widgets/time_series_widget.rb', line 15

def line_style
  @line_style
end

#tick_spacing ⇒ Object (readonly)

Returns the value of attribute tick_spacing.



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# File 'lib/termplot/widgets/time_series_widget.rb', line 15

def tick_spacing
  @tick_spacing
end

Instance Method Details

#post_initialize(opts) ⇒ Object 



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# File 'lib/termplot/widgets/time_series_widget.rb', line 17

def post_initialize(opts)
  @color = Termplot::Colors.fetch(opts[:color], DEFAULT_COLOR)
  @line_style = Termplot::CharacterMap::LINE_STYLES.fetch(
    opts[:line_style],
    Termplot::CharacterMap::LINE_STYLES[DEFAULT_LINE_STYLE]
  )

  @tick_spacing = 3
end

#render_to_window ⇒ Object 



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# File 'lib/termplot/widgets/time_series_widget.rb', line 27

def render_to_window
  errors.clear
  window.clear

  # Calculate width of right hand axis
  calculate_axis_size

  # Points
  points = build_points
  render_points(points)
  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

  # Draw axis
  ticks = build_ticks(points)
  render_axis(ticks)
end