/// <summary>
/// Moves text from one listbox to another depending on the trucks status
/// </summary>
/// <param name="trk"></param>
private void UpdateQue(Trucks trk)
{
switch (trk.gsStatus)
{
case 1:
lbCrushQue.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus + 3));
lbTransLoad.Items.Add(trk.gsTruckID + "\t" + trk.gsStatus);
break;
case 2:
lbTransLoad.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus - 1));
lbLoadQue.Items.Add(trk.gsTruckID + "\t" + trk.gsStatus);
break;
case 3:
lbLoadQue.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus - 1));
lbTransCrush.Items.Add(trk.gsTruckID + "\t" + trk.gsStatus);
break;
case 4:
lbTransCrush.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus - 1));
lbCrushQue.Items.Add(trk.gsTruckID + "\t" + (trk.gsStatus));
break;
default:
lbTransLoad.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus + 1));
lbCrushQue.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus + 4));
break;
}
}
/// <summary>
/// Displays the details of the specific truck instance by calling the Trucks
/// class and putting the data into the appropiate text boxes and selects the
/// corresponding radiobutton
/// </summary>
/// <param name="trk"></param>
private void UpdateDetails(Trucks trk)
{
tbTruckID.Text = trk.gsTruckID.ToString();
tbLoadCapacity.Text = trk.gCapacity.ToString();
tbTotal.Text = trk.gsTotal.ToString();
switch (trk.gsStatus)
{
case 1:
rbTranLoad.Select();
break;
case 2:
rbLoading.Select();
break;
case 3:
rbTransCrush.Select();
break;
case 4:
rbCrusher.Select();
break;
case 5:
rbService.Select();
break;
default:
rbInactive.Select();
break;
}
}
/// <summary>
/// Puts trucks into the Service Listbox from the Queue 1 and 4, and removes
/// any other text associated with the specific truck, also resets the Queue
/// pointer.
/// </summary>
/// <param name="trk"></param>
private void ServiceUpdate(Trucks trk)
{
lbInService.Items.Remove(trk.gsTruckID + "\tTo Be Serviced");
lbInService.Items.Add(trk.gsTruckID + "\tServicing");
lbCrushQue.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus - 1));
lbTransLoad.Items.Remove(trk.gsTruckID + "\t" + (trk.gsStatus - 4));
trk.gsQuePtr = 0;
}
/// <summary>
/// Initializing the Trucks Arrray by adding 20 trucks with unique identifier
/// </summary>
private void InitializeTrucks()
{
for (int i = 0; i < trkMAX; i++)
{
truck[i] = new Trucks();
truck[i].gsTruckID = i + 100;
}
DisplayInfo();
}
/// <summary>
/// Deque a truck object from the Que associated with the input parameter
/// </summary>
/// <param name="i"></param>
public void DeQue(int i)
{
try
{
UpdateListQue(i + 1);
Trucks nextTruck = allQ[i].Dequeue();
nextTruck.StsUpdate();
TransQue(nextTruck);
}
catch (InvalidOperationException InvEx)
{
MessageBox.Show(InvEx.Message + " Add a truck to the Queue", "Error");
}
}
/// <summary>
/// Opens binary file a puts data from the file into the Trucks Array. It is
/// then sorted by the gsQuePtr field so that each truck gets put back into
/// the Queue in the correct order. The Array is then reorderd back and
/// displayed from truck 100 - 119
/// </summary>
private void LoadFile()
{
BinaryReader bReader;
try
{
bReader = new BinaryReader(new FileStream("Trucks.bin", FileMode.Open));
}
catch (FileNotFoundException fnfe)
{
MessageBox.Show(fnfe.Message + "\n Cannot find file for reading", "Error");
return;
}
try
{
for (int i = 0; i <= 19; i++)
{
truck[i] = new Trucks();
truck[i].gsTruckID = bReader.ReadInt32();
truck[i].gsStatus = bReader.ReadInt32();
truck[i].gsTotal = bReader.ReadInt32();
truck[i].ToService = bReader.ReadBoolean();
truck[i].gsQuePtr = bReader.ReadDouble();
truck[i].ToInactive = bReader.ReadBoolean();
}
}
catch (Exception e)
{
MessageBox.Show(e.Message + "\n Cannot load data from file", "Error");
}
bReader.Close();
fLoad = true;
Array.Sort(truck, delegate(Trucks x, Trucks y) { return(x.gsQuePtr.CompareTo(y.gsQuePtr)); });
foreach (Trucks oldTruck in truck)
{
TransQue(oldTruck);
}
Array.Sort(truck, delegate(Trucks x, Trucks y) { return(x.gsTruckID.CompareTo(y.gsTruckID)); });
DisplayInfo();
fLoad = false;
}
/// <summary>
/// Checks if the class objects loadded from the binary file are going to
/// be serviced.Then checks what the Trucks status is to determine which
/// Queue it will go in or if the truck needs to be serviced. When put into
/// the third queue the truck increments its load.
/// </summary>
/// <param name="trk"></param>
private void TransQue(Trucks trk)
{
if (trk.ToService && fLoad == true)
{
lbInService.Items.Add(trk.gsTruckID + "\tTo Be Serviced");
}
switch (trk.gsStatus)
{
case 1:
allQ[0].Enqueue(trk);
ListQue(trk, 0);
break;
case 2:
allQ[1].Enqueue(trk);
ListQue(trk, 1);
break;
case 3:
allQ[2].Enqueue(trk);
ListQue(trk, 2);
break;
case 4:
allQ[3].Enqueue(trk);
ListQue(trk, 3);
break;
case 5:
ServiceUpdate(trk);
break;
default:
break;
}
UpdateQue(trk);
DisplayInfo();
UpdateDetails(trk);
}
/// <summary>
/// Gets the specified truck and gives it a unique number derived from the
/// Queue itsin so it can be put back into the Queue when loaded from binary
/// file
/// </summary>
/// <param name="trk"></param>
/// <param name="i"></param>
private void ListQue(Trucks trk, int i)
{
trk.gsQuePtr = (double)allQ[i].Count() / 100 + (i + 1);
}
