package feathercalculator

class FeatherCalculator : SimpleComponent() {

    class var evalShortcut = Key.ENTER.control()
    class var openShortcut = Key.NUMPAD_PLUS.control()

    class val openCalculator = Action( "Calculator", ::openCalculator )
        .icon( "calculator" ).shortcut( openShortcut )

    // ==== Register ====

    override meth register() {
        val forNone = SimpleFeatureSet( Context.NONE, 30 ).apply {
            menus( MenuFeature( "Tools", openCalculator ) )
        }
        add(forNone)

        registerRunnerPrefix( "=", "Eval (Feather Script)", ::evalAction )
    }

    func openCalculator() {
        openBehaviour( FeatherCalculatorBehaviour() )
    }

    func evalAction( remainder : String ) : Boolean {
        val behaviour = FeatherCalculatorBehaviour().apply {
            clear()
            append( remainder )
            eval()
        }.openBehaviour()
        return true
    }
}