73 lines
1.7 KiB
Ruby
73 lines
1.7 KiB
Ruby
require "browser/delay"
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class StatusView < ElementView
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def initialize interpreter
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@interpreter = interpreter
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@running = false
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end
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def draw
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header = div("h4" , "Interpreter" )
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header << div("span.header_state" , state_text)
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@element = div(".status_view") <<
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header <<
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div("button.next" , "Next") <<
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div("button.run" , "Run") <<
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div("button.wizz" , "Wizz") <<
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div( "br") <<
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div("span.clock" , clock_text) <<
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div( "br") <<
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div("span.flags" , flags_text) <<
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div( "br" , "Stdout") <<
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div("span.stdout")
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# set up event handler
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@element.at_css(".next").on("click") { self.update }
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@element.at_css(".run").on("mousedown") { self.start( 0.1 ) }
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@element.at_css(".wizz").on("mousedown") { self.start( 0.0 ) }
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@element.at_css(".run").on("mouseup") { self.stop }
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@element.at_css(".wizz").on("mouseup") { self.stop }
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return @element
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end
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def start(speed)
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@running = speed
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run
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end
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def stop
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@running = false
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end
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def run
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return unless @running
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proc = Proc.new do
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self.update
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self.run
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end
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proc.after( @running )
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end
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def update
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@interpreter.tick
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@element.at_css(".clock").text = clock_text
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@element.at_css(".state").text = state_text
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@element.at_css(".flags").text = flags_text
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@element.at_css(".stdout").text = @interpreter.stdout
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end
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def state_text
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" (#{@interpreter.state})"
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end
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def flags_text
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flags = []
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@interpreter.flags.each do |name,value|
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flags << name if value
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end
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"Flags #{flags.join(':')}"
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end
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def clock_text
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"Instruction #{@interpreter.clock}"
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end
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end
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