// PUBLIC /// <summary> /// Dos the enter instruction. /// </summary> /// <returns>The enter instruction.</returns> /// <param name="instruction">Instruction.</param> public float doEnterInstruction (Instruction aInstruction) { // float lastDisplayValue_float = iScientificCalculatorModel.displayValue; float nextDisplayValue_float; if (aInstruction.instructionType == InstructionType.Operand) { //PUT NEW # TO THE RIGHT OF THE EXISTING DISPLAY # if (iScientificCalculatorModel.calculatorState == CalculatorState.AppendingOperands) { nextDisplayValue_float = float.Parse (lastDisplayValue_float.ToString() + Constants.GetOperandValueByKeyCode (aInstruction.keyCode).ToString()); } else { nextDisplayValue_float = float.Parse (Constants.GetOperandValueByKeyCode (aInstruction.keyCode).ToString()); iScientificCalculatorModel.calculatorState = CalculatorState.AppendingOperands; } } else { nextDisplayValue_float = (float)aInstruction.execute (lastDisplayValue_float); iScientificCalculatorModel.calculatorState = CalculatorState.NotAppendingOperands; } return nextDisplayValue_float; }
// PUBLIC /// <summary> /// Dos the enter instruction. /// </summary> /// <returns>The enter instruction.</returns> /// <param name="instruction">Instruction.</param> public float doEnterInstruction (Instruction instruction) { return 0; }