class ScreenManager
Public Class Methods
new()
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# File lib/delve/screen_manager.rb, line 2 def initialize @screen_stack = Array.new end
Public Instance Methods
empty?()
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# File lib/delve/screen_manager.rb, line 6 def empty? @screen_stack.empty? end
pop_screen()
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# File lib/delve/screen_manager.rb, line 14 def pop_screen @screen_stack.pop end
push_screen(screen)
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# File lib/delve/screen_manager.rb, line 10 def push_screen(screen) @screen_stack.push screen end
render(display)
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# File lib/delve/screen_manager.rb, line 24 def render(display) raise 'Cannot render when no screens are present' if empty? raise 'Cannot render when display is nil' unless display bottom = @screen_stack.length - 1 screens = @screen_stack.length - 1 (0..screens).reverse_each do |i| if !@screen_stack[i].partial? break end bottom = i-1 end (bottom..screens).each do |i| @screen_stack[i].render display end end
update(input)
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# File lib/delve/screen_manager.rb, line 18 def update(input) raise 'Cannot handle key when no screens are present' if empty? raise 'Cannot handle key when input is nil' unless input @screen_stack.last.update input end