///Constructor that connects the reference of an object of MathEngine
///to the methods in this class
public Logger(MathEngine pMathEngine)
{
math = pMathEngine;
math.NegativeNumber += negativeNumber;
math.C_Pressed += cancelled;
}
/// <summary>
/// Define startvalues of the form
/// </summary>
private void initializeGUI()
{
mathEngine = new MathEngine();
Logger logg = new Logger(mathEngine);
previousCalculations = new List<History>();
txtEnterdNumber.Text = ""; ///Startvalue
firstNumberEntered = false;
resultInTextbox = false;
loadState(); ///Load previous instance of the calculator
}
/// <summary>
/// Create SaveFile with data from the Form
/// </summary>
public SaveFile(MathEngine mathEngine, double oldNumber, double newNumber,
bool firstNumberEntered, bool resultInTextbox, bool calcButtonClicked,
string calculationSign, string currentCalculation, string currentInput,
List<History> previousCalculations)
{
Math = mathEngine;
OldNumber = oldNumber;
NewNumber = newNumber;
FirstNumberEntered = firstNumberEntered;
ResultInTextbox = resultInTextbox;
CalcButtonClicked = calcButtonClicked;
CalculationSign = calculationSign;
CurrentCalculation = currentCalculation;
CurrentInput = currentInput;
PreviousCalculations = previousCalculations;
}
/// <summary>
/// Load the state.bin with data from previous runs
/// of the program, if there is one
/// </summary>
private void loadState()
{
SaveLoad tmpLoader = new SaveLoad();
SaveFile tmpLoadFile = tmpLoader.LoadState();
///If the tmpFile.Math == null, there was no successfull load
///of the bin-file
if (tmpLoadFile.Math != null)
{
///Load all fields with data from tmpFile
mathEngine = tmpLoadFile.Math;
oldNumber = tmpLoadFile.OldNumber;
newNumber = tmpLoadFile.NewNumber;
firstNumberEntered = tmpLoadFile.FirstNumberEntered;
resultInTextbox = tmpLoadFile.ResultInTextbox;
calcButtonClicked = tmpLoadFile.CalcButtonClicked;
calculationSign = tmpLoadFile.CalculationSign;
currentCalculation = tmpLoadFile.CurrentCalculation;
currentInput = tmpLoadFile.CurrentInput;
previousCalculations = tmpLoadFile.PreviousCalculations;
///Put the history to the listBox
foreach(History tmpHistory in previousCalculations)
{
lstHistory.Items.Add(tmpHistory);
}
///Update
updateCalculationTextBox();
updateInputTextBox();
}
}
