/// <summary>
/// Open a file button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void NextButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (FileList.SelectedCells.Count() == 0)
{
throw new Exception("No File selected");
}
// getting data of the file
fileDir file = FileList.SelectedCells[0].Item as fileDir;
if (file == null)
{
throw new Exception("File is null ...");
}
FileList.Visibility = Visibility.Hidden;
OpenFile.Visibility = Visibility.Visible;
// loading the openfile type
this.OpenTypeCombobox.ItemsSource = Enum.GetValues(typeof(OpenType));
this.NextButton.IsEnabled = this.DeleteFileButton.IsEnabled = this.AddFileButton.IsEnabled = this.InformationButton.IsEnabled = this.UpdateFileButton.IsEnabled = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// DeleteFile operation, FileOption
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteFileButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (FileList.SelectedCells.Count() == 0)
{
throw new Exception("No File selected");
}
fileDir file = FileList.SelectedCells[0].Item as fileDir;
if (file == null)
{
throw new Exception("File is null ...");
}
if (MessageBox.Show("Are you sur to delete the file, this is irreversible", "Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Information) == MessageBoxResult.Yes)
{
disk.Delfile(file.name, file.owner);
MessageBox.Show("File succefully deleted :)", "Information", MessageBoxButton.OK, MessageBoxImage.Information);
PrintFile();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// ExtendFile, Window
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Extended_Click(object sender, RoutedEventArgs e)
{
try
{
uint result;
if (!uint.TryParse(FileSizeTextBox.Text, out result))
{
throw new Exception("Size could not be letter but only number");
}
if (result > 3192 || result < 0)
{
throw new Exception("Overflow or Underflow prevention");
}
uint tmp = 0;
if (result % 2 == 0)
{
tmp = result / 2;
}
else
{
tmp = (result / 2) + 1;
}
if (tmp > disk.Howmuchempty(disk.myDiskPointer))
{
this.NextButton.IsEnabled = false;
}
if (FileList.SelectedCells.Count() == 0)
{
throw new Exception("No File selected");
}
fileDir file = FileList.SelectedCells[0].Item as fileDir;
if (file == null)
{
throw new Exception("File is null ...");
}
disk.Extendfile(file.name, file.owner, result);
MessageBox.Show("Success :)");
Extend.Visibility = Visibility.Hidden;
FileList.Visibility = Visibility.Visible;
this.DeleteFileButton.IsEnabled = this.AddFileButton.IsEnabled = this.InformationButton.IsEnabled = true;
PrintFile();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// Open a file with a specific opentype
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OpenFileButton_Click(object sender, RoutedEventArgs e)
{
try
{
// getting the file info
fileDir file = FileList.SelectedCells[0].Item as fileDir;
// getting the opentype
string open = ((OpenType)OpenTypeCombobox.SelectedValue).ToString();
if (open == "")
{
throw new Exception("No choice selected");
}
string type = "";
switch (open)
{
case "Input":
type = "I";
break;
case "Output":
type = "O";
break;
case "Input_Output":
type = "IO";
break;
case "Extend":
type = "E";
break;
default:
throw new Exception("A problem occur when checking the value of the combobox");
}
// openfile
fcb = disk.Openfile(file.name, file.owner, type);
// checking if a problem occurs
if (fcb == null)
{
throw new Exception("Unable to open the file");
}
FileMenu.Visibility = Visibility.Hidden;
OpenFile.Visibility = Visibility.Hidden;
RecordMenu.Visibility = Visibility.Visible;
// if the type is student
if (file.type == "S")
{
// show his grid and priting all the record inside the file
RecordList.Visibility = Visibility.Visible;
RecordList.ItemsSource = from item in getAllRecord <Student>()
select new Student(item.Id, item.Name, item.Year, item.Average);
}
// if the type is course
else
{
// show his grid and priting all the record inside the file
CourseList.Visibility = Visibility.Visible;
CourseList.ItemsSource = from item in getAllRecord <Course>()
select new Course(item.Id, item.Name, item.Credit);
}
this.NextButton.IsEnabled = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
