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Contents
module Redwood
class HorizontalSelector
attr_accessor :label
def initialize label, vals, labels, base_color=:horizontal_selector_unselected_color, selected_color=:horizontal_selector_selected_color
@label = label
@vals = vals
@labels = labels
@base_color = base_color
@selected_color = selected_color
@selection = 0
end
def set_to val; @selection = @vals.index(val) end
def val; @vals[@selection] end
def line width=nil
label =
if width
sprintf "%#{width}s ", @label
else
"#{@label} "
end
[[@base_color, label]] +
(0 ... @labels.length).inject([]) do |array, i|
array + [
if i == @selection
[@selected_color, @labels[i]]
else
[@base_color, @labels[i]]
end] + [[@base_color, " "]]
end + [[@base_color, ""]]
end
def roll_left
@selection = (@selection - 1) % @labels.length
end
def roll_right
@selection = (@selection + 1) % @labels.length
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems