public static List <AstronomicalObject> ReadDataFile()
{
dataAlreadySaved = new List <AstronomicalObject>();
List <AstronomicalObject> storedCelestialObjects = new List <AstronomicalObject>();
try
{
StreamReader dataFile;
string line;
AstronomicalObject celesitalBody;// = new AstronomicalObject("", new ExponentionalValues(), new ExponentionalValues());
char delimiter = ',';
dataFile = File.OpenText(dataFilePath);
while (!dataFile.EndOfStream)
{
line = dataFile.ReadLine();
string[] tokens = line.Split(delimiter);
celesitalBody = new AstronomicalObject(
tokens[0],
new ExponentionalValues(
float.Parse(tokens[1]),
int.Parse(tokens[2]),
(SIUnit)Enum.Parse(typeof(SIUnit), tokens[3])),
new ExponentionalValues(
float.Parse(tokens[4]),
int.Parse(tokens[5]),
(SIUnit)Enum.Parse(typeof(SIUnit), tokens[6]))
);
storedCelestialObjects.Add(celesitalBody);
dataAlreadySaved.Add(celesitalBody);
}
dataFile.Close();
}
catch (Exception ex)
{
storedCelestialObjects.Add(new AstronomicalObject(
"Pheonix Cluster Black Hole",
new ExponentionalValues(2, 10, SIUnit.SolarMass),
new ExponentionalValues(5.9f, 10, SIUnit.km)));
storedCelestialObjects.Add(new AstronomicalObject(
"Earth",
new ExponentionalValues(5.972f, 24, SIUnit.kg),
new ExponentionalValues(6.371f, 3, SIUnit.km)));
System.Windows.Forms.MessageBox.Show(ex.Message);
}
return(storedCelestialObjects);
}
/// <summary>
/// If the "save" check box is clicked; create a new entry in the list of Astronomical Objects
/// Given the user input.
/// Will calculate the Intesity of Gravity regardless if the object is being saved.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void add_CalculateButton_Click(object sender, EventArgs e)
{
string[] celestialBodyDescriptors = new string[] {
add_NameTextBox.Text,
add_MassTextBox.Text,
add_MassExponentTextBox.Text,
add_MassUnitComboBox.SelectedItem.ToString(),
add_RadiusTextBox.Text,
add_RadiusExponentTextBox.Text,
add_RadiusUnitComboBox.SelectedItem.ToString()
};
_CreatedAstronomicalObject = new AstronomicalObject(celestialBodyDescriptors);
if (saveCheckBox.Checked && !_AstronomicalObjectData.Contains(_CreatedAstronomicalObject))
{
_AstronomicalObjectData.Add(_CreatedAstronomicalObject);
UpdateExistingData();
}
Add_DisplayDistance(1);
//add_GravityOutputTextBox.Text = _CreatedAstronomicalObject.SurfaceGravityToString();
}
/// <summary>
/// Display the corresponding information in the corresponding fields
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void loadedObjectsCombo_SelectedIndexChanged(object sender, EventArgs e)
{
//Get the selected Astronomical Object
_SelectedAstronomicalObject = _AstronomicalObjectData[loadedObjectsCombo.SelectedIndex];
nameTextBox.Text = _SelectedAstronomicalObject.Name;
//Mass
ExponentionalValues mass = _SelectedAstronomicalObject.Mass;
massTextBox.Text = mass.value.ToString();
massExponentTextBox.Text = mass.exponent.ToString();
massUnitsCombo.SelectedItem = (mass.units.Equals(SIUnit.kg)) ? "kilograms" : "Solar Masses";
//Radius
ExponentionalValues radius = _SelectedAstronomicalObject.Radius;
radiusTextBox.Text = radius.value.ToString();
radiusExponentTextBox.Text = radius.exponent.ToString();
radiusUnitsCombo.SelectedItem = (radius.units.Equals(SIUnit.m)) ? "meters" : "kilometers";
gravityOutputTextBox.Text = _SelectedAstronomicalObject.SurfaceGravityToString();
DisplayDistance(distanceTrackBar.Value);
}
