Class: Sus::Output::Bar

Inherits:
Object
  • Object
show all
Defined in:
lib/sus/output/bar.rb

Constant Summary collapse

BLOCK = 
[
	" ",
	"▏",
	"▎",
	"▍",
	"▌",
	"▋",
	"▊",
	"▉",
	"█",
]
MINIMUM_WIDTH = 
8
MESSAGE_SUFFIX = 
": "

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(current = 0, total = 0, message = nil) ⇒ Bar

Returns a new instance of Bar.



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# File 'lib/sus/output/bar.rb', line 21

def initialize(current = 0, total = 0, message = nil)
	@maximum_message_width = 0
	
	@current = current
	@total = total
	@message = message
end

Class Method Details

.register(output) ⇒ Object 



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# File 'lib/sus/output/bar.rb', line 35

def self.register(output)
	output[:progress_bar] ||= output.style(:blue, :white)
end

Instance Method Details



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# File 'lib/sus/output/bar.rb', line 42

def print(output)
	width = output.width
	
	unless @total.zero?
		value = @current.to_f / @total.to_f
	else
		value = 0.0
	end
	
	if @message
		message = @message + MESSAGE_SUFFIX
		if message.size > @maximum_message_width
			@maximum_message_width = message.size
		end
		
		if @maximum_message_width < (width - MINIMUM_WIDTH)
			width -= @maximum_message_width
			message = message.rjust(@maximum_message_width)
		else
			@maximum_message_width = 0
			message = nil
		end
	end
	
	if message
		output.write(message)
	end
	
	output.write(
		:progress_bar, draw(value, width), :reset,
	)
	
	output.puts
end

#update(current, total, message) ⇒ Object 



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# File 'lib/sus/output/bar.rb', line 29

def update(current, total, message)
	@current = current
	@total = total
	@message = message
end