private void NextButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (FCB.IorO() == IOState.IO)
{
FCB.updateRecCancel();
}
//FCB.seekRec(1, 1);
//CurrentSector++;
BackButton.IsEnabled = true;
if (GoToIntegerUpDown.Value >= FCB.GetFileDescription().EofRecNr)
{
NextButton.IsEnabled = false;
}
GoToIntegerUpDown.Value++;
GoTo();
}
catch (Exception exp)
{
ErrorHandling.ShowError(exp.Message);
NextButton.IsEnabled = false;
}
}
private void ReadRecord()
{
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).ClearFields();
if (GoToIntegerUpDown.Value != FCB.GetFileDescription().EofRecNr)
{
switch (FCB.IorO())
{
case IOState.IO:
if (IsStore())
{
Store temp = new Store();
FCB.readRec(temp, 1);
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record = temp;
}
else if (IsProduct())
{
Product temp = new Product();
FCB.readRec(temp, 1);
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record = temp;
}
else if (IsEmployee())
{
Employee temp = new Employee();
FCB.readRec(temp, 1);
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record = temp;
}
break;
case IOState.O:
if (IsStore())
{
Store temp = new Store();
FCB.readRec(temp);
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record = temp;
}
else if (IsProduct())
{
Product temp = new Product();
FCB.readRec(temp);
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record = temp;
}
else if (IsEmployee())
{
Employee temp = new Employee();
FCB.readRec(temp);
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record = temp;
}
break;
default:
throw new Exception("Unknown format to read/write from file.");
}
}
}
public RecordsWindow(FCB fcb)
{
try
{
InitializeComponent();
FCB = fcb;
InitRecordFields();
InitAvailableButtons();
CurrentRecordNumber = 0;
InitData();
MaxRecord = (int)FCB.GetFileDescription().FileSize *(1020 / (int)FCB.GetFileDescription().MaxRecSize);
GoToIntegerUpDown.Maximum = MaxRecord;
}
catch (Exception exp)
{
ErrorHandling.ShowError(exp.Message);
this.Close();
}
}
static void Main(string[] args)
{
try
{
int structSize = Marshal.SizeOf(typeof(VolumeHeader));
Console.WriteLine("Marshal.SizeOf(typeof(VolumeHeader) == " + structSize);
Disk d = new Disk();
Console.WriteLine("\nMake Disk:");
Console.WriteLine(ToStringProperty(d.GetVolumeHeader()));
d.Createdisk("disk1", "oshri");
Console.WriteLine("\nCreate Disk:");
Console.WriteLine(ToStringProperty(d.GetVolumeHeader()));
d.Mountdisk("disk1");
if (d.Ismounted(d.myDiskPointer))
{
Console.WriteLine("Mounted!");
}
d.Createfile("f1", "meir", "F", Store.size(), 50, "I", 0);
FCB fcb = d.Openfile("f1", "meir", "IO");
fcb.seekRec(0, (int)fcb.GetFileDescription().FileAddr - 4 + 20);
Store str = new Store("", "", "", "");
Store str2 = new Store("", "", "", "");
fcb.readRec(str, 1);
str = new Store("123", "aaa", "aaa", "aaa");
fcb.updateRec(str);
fcb.seekRec(1, -1);
fcb.readRec(str2, 0);
fcb.Closefile();
DirEntry newdir = d.GetDirEntry(0);
d.Format("oshri");
Console.WriteLine("\nFormat Disk:");
Console.WriteLine(ToStringProperty(d.GetVolumeHeader()));
d.Unmountdisk(d.myDiskPointer);
if (d.Ismounted(d.myDiskPointer))
{
Console.WriteLine("Mounted!");
}
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(e.Message);
Console.ResetColor();
}
}
private void LastButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (FCB.IorO() == IOState.IO)
{
FCB.updateRecCancel();
}
//FCB.seekRec(0, (int)FCB.GetFileDescription().FileAddr - 4 + (int)FCB.GetFileDescription().EofRecNr - 1);
// FCB.seekRec(0, (int)FCB.GetFileDescription().EofRecNr - 1);
GoToIntegerUpDown.Value = (int)FCB.GetFileDescription().EofRecNr;
GoTo();
NextButton.IsEnabled = false;
BackButton.IsEnabled = true;
}
catch (Exception exp)
{
ErrorHandling.ShowError(exp.Message);
}
}
private void SaveButton_Click(object sender, RoutedEventArgs e)
{
try
{
IRecord rec = ((IRecordUserControl)RecordDetailsStackPanel.Children[0]).Record;
if (CurrentRecordNumber == FCB.GetFileDescription().EofRecNr)
{
FCB.writeRec(rec);
}
else
{
FCB.updateRec(rec);
}
((IRecordUserControl)RecordDetailsStackPanel.Children[0]).ClearFields();
BackButton.IsEnabled = true;
MessageBox.Show("Record Saved", "Info", MessageBoxButton.OK, MessageBoxImage.Information);
//CurrentSector++;
//if (CurrentSector > FCB.GetFileDescription().EofRecNr || CurrentSector < 0)
//{
// //FCB.seekRec(0,0);
// //CurrentSector = 0;
// ((IRecordUserControl)RecordDetailsStackPanel.Children[0]).ClearFields();
// BackButton.IsEnabled = false;
// NextButton.IsEnabled = true;
//}
GoToIntegerUpDown.Value++;
GoTo();
//ReadRecord();
}
catch (Exception exp)
{
ErrorHandling.ShowError(exp.Message);
}
}
private bool IsEmployee()
{
return(FCB.GetFileDescription().ActualRecSize == Employee.size());
}
private bool IsStore()
{
return(FCB.GetFileDescription().ActualRecSize == Store.size());
}
private bool IsProduct()
{
return(FCB.GetFileDescription().ActualRecSize == Product.size());
}