public List <Vehicle> ReadVehicle()
{
//open the Vehicles.dat file
StreamReader reader = File.OpenText(@"Vehicles.dat");
List <Vehicle> tempList = new List <Vehicle>();
string row = null;
string[] columns;
//read each line from the file
while ((row = reader.ReadLine()) != null)
{
//Splits each row of strings from the text with a \t and :
columns = row.Split('\t', ':');
//if ..
//the string contains the string "Car"
if (row.Contains("Car"))
{
//Create a Car object and insert the split strings into its allocated properties
Car car = new Car(columns[2], columns[4], columns[6], Int32.Parse(columns[8]), Double.Parse(columns[10]), Int32.Parse(columns[12]));
//add it to the tempList
tempList.Add(car);
}
//the string contains the string "QuadBike"
else if (row.Contains("QuadBike"))
{
//Create a QuadBike object and insert the split strings into its allocated properties
QuadBike quad = new QuadBike(columns[2], columns[4], columns[6], Int32.Parse(columns[8]), Double.Parse(columns[10]), bool.Parse(columns[12]));
//add it to the tempList
tempList.Add(quad);
}
//the string contains the string "MotorBike"
else if (row.Contains("MotorBike"))
{
//Create a Motor object and insert the split strings into its allocated properties
MotorBike motor = new MotorBike(columns[2], columns[4], columns[6], Int32.Parse(columns[8]), Double.Parse(columns[10]), Int32.Parse(columns[12]));
//add it to the tempList
tempList.Add(motor);
}
}
//set the vehicles list to the tempList
vehicles = tempList;
reader.Close();
return(vehicles);
}
private void Edit_Vehicle()
{
Car updatedCar;
QuadBike updatedQuad;
MotorBike updatedMotor;
//if the selected Vehicle is a Car
if (listBoxView.SelectedItem.ToString().Contains("Car"))
{
//create another Car object to store the edited information into it's contructor
updatedCar = new Car(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), Int32.Parse(txtNumDoorsValves.Text));
//replace the original Car object with the new one
fileStreamer.Edit(vehicleSelected, updatedCar);
}
//if the selected Vehicle is a QuadBike
else if (listBoxView.SelectedItem.ToString().Contains("QuadBike"))
{
//if the radioButtonTrue is checked
if (radioButtonTrue.Checked == true)
{
//create another QuadBike object to store the edited information into it's constructor with ChildProof as true
updatedQuad = new QuadBike(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), true);
}
//if radioButtonFalse is checked
else
{
//create another QuadBike object to store the edited information into it's constructor with ChildProof as false
updatedQuad = new QuadBike(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), false);
}
//replace the original QuadBike object with the new one
fileStreamer.Edit(vehicleSelected, updatedQuad);
}
//if the selected Vehicle is a MotorBike
else if (listBoxView.SelectedItem.ToString().Contains("MotorBike"))
{
//create another MotorBike object to store the edited information into it's contructor
updatedMotor = new MotorBike(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), Int32.Parse(txtNumDoorsValves.Text));
//replace the original MotorBike object with the new one
fileStreamer.Edit(vehicleSelected, updatedMotor);
}
//repopulate the listBox
this.Populate_ListBox();
//hide all edit fields
this.Hide_EditFields();
}
private void Add_Vehicle()
{
//if Car is selected
if (comboBoxVehicle.SelectedItem.ToString() == "Car")
{
//Create a Car object and insert field values in to its constructor
Car car = new Car(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), Int32.Parse(txtNumDoorsValves.Text));
//add the Car in to the vehicles list
vehicles.Add(car);
}
//if Quad Bike is selected
else if (comboBoxVehicle.SelectedItem.ToString() == "Quad Bike")
{
//Create a QuadBike object and insert field values in to its constructor
QuadBike quad = null;
if (radioButtonTrue.Checked == true)
{
quad = new QuadBike(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), true);
}
else if (radioButtonFalse.Checked == true)
{
quad = new QuadBike(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), false);
}
//add the QuadBike into the vehicles list
vehicles.Add(quad);
}
//if Motor Bike is selected
else if (comboBoxVehicle.SelectedItem.ToString() == "Motor Bike")
{
//Create a MotorBike object and insert field values in to its constructor
MotorBike motor = new MotorBike(txtMake.Text, txtModel.Text, txtRegNum.Text, Int32.Parse(txtNumWheels.Text), Double.Parse(txtPrice.Text), Int32.Parse(txtNumDoorsValves.Text));
//add the MotorBike into the vehicles list
vehicles.Add(motor);
}
//write the vehicles list into the file
fileStreamer.Add(vehicles);
this.Close();
}
private void listBoxView_SelectedIndexChanged(object sender, EventArgs e)
{
//if nothing is selected
if (listBoxView.SelectedItem == null)
{
//hide all edit fields
this.Hide_EditFields();
}
else
{
//display all fields relevant to all Vehicles
lblModel.Visible = true;
txtModel.Visible = true;
lblMake.Visible = true;
txtMake.Visible = true;
lblRegNum.Visible = true;
txtRegNum.Visible = true;
lblNumWheels.Visible = true;
txtNumWheels.Visible = true;
lblPrice.Visible = true;
txtPrice.Visible = true;
//if Car is selected
if (listBoxView.SelectedItem.ToString().Contains("Car"))
{
//display remaining fields relevant to Car
lblNumDoorsValves.Visible = true;
lblNumDoorsValves.Text = "Number of Doors";
txtNumDoorsValves.Visible = true;
lblChildProof.Visible = false;
radioButtonTrue.Visible = false;
radioButtonFalse.Visible = false;
//get selected Vehicle object
this.Selected_Vehicle();
//Cast Vehicle object as a Car
Car carSelected = (Car)vehicleSelected;
//populate fields with the selected Vehicle's information
txtMake.Text = carSelected.Make;
txtModel.Text = carSelected.Model;
txtRegNum.Text = carSelected.RegNum;
txtNumWheels.Text = carSelected.NumWheels.ToString();
txtPrice.Text = carSelected.Price.ToString();
txtNumDoorsValves.Text = carSelected.NumDoors.ToString();
}
//if QuadBike is selected
else if (listBoxView.SelectedItem.ToString().Contains("QuadBike"))
{
//display remaining fields relevant to QuadBike
lblNumDoorsValves.Visible = false;
txtNumDoorsValves.Visible = false;
lblChildProof.Visible = true;
radioButtonTrue.Visible = true;
radioButtonFalse.Visible = true;
//get selected Vehicle object
this.Selected_Vehicle();
//Cast Vehicle object as a QuadBike
QuadBike quadSelected = (QuadBike)vehicleSelected;
//populate fields with the selected Vehicle's information
txtMake.Text = quadSelected.Make;
txtModel.Text = quadSelected.Model;
txtRegNum.Text = quadSelected.RegNum;
txtNumWheels.Text = quadSelected.NumWheels.ToString();
txtPrice.Text = quadSelected.Price.ToString();
//if ChildProof is true
if (quadSelected.ChildProof == true)
{
//check radioButtonTrue
radioButtonTrue.Checked = true;
}
//if ChildProof is false
else
{
//check radioButtonFalse
radioButtonFalse.Checked = true;
}
}
//if MotorBike is selected
else if (listBoxView.SelectedItem.ToString().Contains("MotorBike"))
{
//display remaining fields relevant to MotorBike
lblNumDoorsValves.Visible = true;
lblNumDoorsValves.Text = "Number of Valves";
txtNumDoorsValves.Visible = true;
lblChildProof.Visible = false;
radioButtonTrue.Visible = false;
radioButtonFalse.Visible = false;
//get selected Vehicle object
this.Selected_Vehicle();
//Cast Vehicle object as a MotorBike
MotorBike motorSelected = (MotorBike)vehicleSelected;
//populate fields with the selected Vehicle's information
txtMake.Text = motorSelected.Make;
txtModel.Text = motorSelected.Model;
txtRegNum.Text = motorSelected.RegNum;
txtNumWheels.Text = motorSelected.NumWheels.ToString();
txtPrice.Text = motorSelected.Price.ToString();
txtNumDoorsValves.Text = motorSelected.Valves.ToString();
}
}
}
