public double getValue(CalcData cd)
{
try
{
if (cd.InputValue.IndexOf("-") > -1)
{
return(Double.Parse(cd.InputValue.Substring(0, cd.InputValue.Length - 1)) * (-1));
}
else
{
return(Double.Parse(cd.InputValue));
}
}
catch
{
cd.InputValue = cd.InputValue.Replace('.', ',');
if (cd.InputValue.IndexOf("-") > -1)
{
return(Double.Parse(cd.InputValue.Substring(0, cd.InputValue.Length - 1)) * (-1));
}
else
{
return(Double.Parse(cd.InputValue));
}
}
}
public void act(CalcData cd, string curSign_)
{
if (cd.Flagequal && curSign_ != "equal")
{
cd.CurSign = null;
cd.PrevNum = 0;
cd.Flagequal = false;
}
double newValue = this.getValue(cd);
if (cd.Flag)
{
cd.PrevNum = newValue;
}
switch (cd.CurSign)
{
case "plus":
cd.CurValue = cd.CurValue + cd.PrevNum;
this.setValue(cd, cd.CurValue);
break;
case "minus":
cd.CurValue = cd.CurValue - cd.PrevNum;
this.setValue(cd, cd.CurValue);
break;
case "multiply":
cd.CurValue = cd.CurValue * cd.PrevNum;
this.setValue(cd, cd.CurValue);
break;
case "divide":
cd.CurValue = cd.CurValue / cd.PrevNum;
this.setValue(cd, cd.CurValue);
break;
case "power":
cd.CurValue = Math.Pow(cd.CurValue, cd.PrevNum);
this.setValue(cd, cd.CurValue);
break;
default:
cd.CurValue = newValue;
break;
}
if (curSign_ != "equal")
{
cd.CurSign = curSign_;
}
else
{
cd.Flagequal = true;
}
}
public CalcData c(CalcData cd)
{
cd.CurSign = "null";
cd.PrevNum = 0;
cd.InputValue = "0";
cd.CurValue = 0;
cd.Flagequal = false;
cd.Flag = true;
cd.MemoryValue = 0;
return(cd);
}
public void setValue(CalcData cd, double value)
{
if (value < 0)
{
cd.InputValue = value * (-1) + "-";
}
else
{
cd.InputValue = value.ToString();
}
}
public CalcData clck(CalcData cd, string btn)
{
btn = (btn == "dot") ? "." : btn;
if ("0123456789.".IndexOf(btn) > -1)
{
if (!cd.Flag)
{
cd.InputValue = btn;
cd.Flag = true;
}
else
{
if (cd.InputValue == "0" && btn != ".")
{
cd.InputValue = btn;
}
else
{
cd.InputValue = cd.InputValue + btn;
}
}
}
else if (btn == "sqrt")
{
var hk = getValue(cd);
this.setValue(cd, Math.Sqrt(hk));
}
else if (btn == "ChangeSign")
{
var hk = getValue(cd);
this.setValue(cd, hk * (-1));
}
else if (btn.IndexOf("M") == 0)
{
this.memory(cd, btn);
}
else
{
this.act(cd, btn);
cd.Flag = false;
}
return(cd);
}
public CalcData bckspc(CalcData cd)
{
if (cd.InputValue.Length > 0)
{
if (cd.InputValue.IndexOf("-") == -1)
{
cd.InputValue = cd.InputValue.Substring(0, cd.InputValue.Length - 1);
}
else
{
cd.InputValue = cd.InputValue.Substring(0, cd.InputValue.Length - 2) + "-";
}
}
if (cd.InputValue.Length == 0 || cd.InputValue == "-")
{
cd.InputValue = "0";
}
return(cd);
}
public void memory(CalcData cd, string action)
{
switch (action)
{
case "MC":
cd.MemoryValue = 0;
break;
case "MR":
setValue(cd, cd.MemoryValue);
cd.Flag = true;
break;
case "MS":
cd.MemoryValue = getValue(cd);
break;
case "MP":
cd.MemoryValue += getValue(cd);
break;
}
}
public CalcData ce(CalcData cd)
{
cd.InputValue = "0";
return(cd);
}