public void CreateFile()
{
var createFileWindow = new CreateUpdateFileWindow
{
Owner = Application.Current.MainWindow,
File = new File()
};
createFileWindow.ShowDialog();
if (createFileWindow.IsConfirmed)
{
var file = createFileWindow.File;
file.InitializeCluster();
if (IsFileExists(file.Name))
{
MessageBox.Show("File name already exist");
return;
}
//Add file in cluster
ClusterTable.AddFileInCluster(file);
Files.Add(file);
}
}
public void UpdateFile()
{
if (SelectedFile != null)
{
var oldName = SelectedFile.Name;
var oldSize = SelectedFile.Size;
var updateFileWindow = new CreateUpdateFileWindow
{
Owner = Application.Current.MainWindow,
File = SelectedFile
};
updateFileWindow.ShowDialog();
if (updateFileWindow.IsConfirmed)
{
var newFile = updateFileWindow.File;
if (!newFile.Name.Equals(oldName) && IsFileExists(newFile.Name))
{
MessageBox.Show("File name already exist");
return;
}
//Clear selection
ClusterTable.SelectionClear();
if (newFile.Size > oldSize)
{
//New number cluster
var numberNewCluster = (int)Math.Ceiling((decimal)newFile.Size / Settings.Settings.ClusterSize) - newFile.NumberClusterUse;
newFile.IncreaseSizeFile(oldSize);
ClusterTable.IncreaseClusterFile(numberNewCluster, newFile);
}
else if (newFile.Size < oldSize) //Smaller size
{
ClusterTable.DecreaseClusterFile(oldSize, newFile);
newFile.DecreseSizeFile(oldSize);
}
//Reselect
ClusterTable.SelectClusters(newFile.StartCluster.Address);
}
}
}