public void RefreshFileView()
{
int offset = 0;
if (listFiles.TopItem != null)
{
offset = listFiles.TopItem.Index;
}
var origSelections = new List <int>();
foreach (int entry in listFiles.SelectedIndices)
{
origSelections.Add(entry);
}
listFiles.BeginUpdate();
listFiles.Items.Clear();
List <Types.FileInfo> files = null;
if (m_Media != null)
{
labelMediaTitle.Text = Util.PETSCIIToUnicode(m_Media.Title);
files = m_Media.Files();
}
else
{
labelMediaTitle.Text = "";
}
if (files != null)
{
foreach (Types.FileInfo file in files)
{
ByteBuffer displayFilename = new ByteBuffer(file.Filename);
// map to PETSCII range
byte previousByte = 0;
for (int i = 0; i < displayFilename.Length; ++i)
{
byte singleByte = displayFilename.ByteAt(i);
var c64Char = ConstantData.FindC64KeyByPETSCII(singleByte);
if (c64Char == null)
{
// re-use the previous byte?
c64Char = ConstantData.FindC64KeyByPETSCII(0x9d);
}
else
{
previousByte = singleByte;
}
if (c64Char != null)
{
displayFilename.SetU8At(i, c64Char.PetSCIIValue);
}
else
{
Debug.Log("Unsupported PETSCII value " + singleByte);
}
}
string filename = Util.FilenameToUnicode(displayFilename);
ListViewItem item = new ListViewItem(filename);
item.SubItems.Add(file.Blocks.ToString());
string fileType = "";
if ((file.Type & Types.FileType.CLOSED) != 0)
{
switch ((Types.FileType)((byte)file.Type & (0x0f | (byte)Types.FileType.CLOSED)))
{
case Types.FileType.DEL:
fileType = "DEL";
break;
case Types.FileType.PRG:
fileType = "PRG";
break;
case Types.FileType.REL:
fileType = "REL";
break;
case Types.FileType.SEQ:
fileType = "SEQ";
break;
case Types.FileType.USR:
fileType = "USR";
break;
}
}
if ((file.Type & RetroDevStudio.Types.FileType.CLOSED) == 0)
{
fileType += "*";
}
if ((file.Type & RetroDevStudio.Types.FileType.LOCKED) != 0)
{
fileType += "<";
}
item.SubItems.Add(fileType);
item.SubItems.Add(file.StartTrack.ToString());
item.SubItems.Add(file.StartSector.ToString());
item.Tag = file;
listFiles.Items.Add(item);
}
foreach (int entry in origSelections)
{
listFiles.SelectedIndices.Add(entry);
}
}
listFiles.EndUpdate();
if (offset < listFiles.Items.Count)
{
listFiles.TopItem = listFiles.Items[offset];
}
}