/// <summary>
///
/// </summary>
/// <param name="entry"></param>
/// <returns></returns>
public static SimpleFile CreateInstance(DirectoryEntry entry)
{
SimpleFile file = null;
switch (entry.FileType)
{
case FileTypes.Basic:
file = new BasicFile();
break;
case FileTypes.Data:
throw new Exception("Unsupported file type: Data");
break;
case FileTypes.Text:
file = new TextFile();
break;
case FileTypes.Assembly:
file = new AssemblyFile();
break;
}
if (null == file)
{
return(null);
}
file.Disk = entry.Disk;
file.Name = entry.Name;
file.Granule = entry.StartGranule;
file.LastSectorLength = entry.LastSectorLength;
return(file);
}
/// <summary>
/// Event handler for double click event on file name in tree view control.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lstFiles_DoubleClick(object sender, System.EventArgs e)
{
string name = null;
name = lstFiles.SelectedNode.Text;
if (null == (SelectedFile = m_dskInfo.GetFile(name)))
{
return;
}
txtFileData.Text = SelectedFile.ToString();
}
/// <summary>
/// Handles file selection option from open file dialog window
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dlgOpenFile_FileOk(object sender, CancelEventArgs e)
{
if (null == (m_dskInfo = SimpleDisk.CreateInstance(dlgOpenFile.FileName)))
{
lblInfo.Text = "Image is not a valid CoCo disk!";
return;
}
tabMain.Enabled = true;
lblInfo.Text = String.Format(@" Tracks: {0}
Track Length: {1} bytes
Granules: {2}
Free Granules: {3}
Free Space: {4} bytes
Used Space: {5} bytes
Files: {6}",
m_dskInfo.Tracks,
m_dskInfo.TrackLength,
m_dskInfo.Granules.Length,
m_dskInfo.FreeGranules,
m_dskInfo.FreeGranules * 2304,
(68 - m_dskInfo.FreeGranules) * 2304,
m_dskInfo.Files.Count);
lstFiles.Nodes.Clear();
foreach (DirectoryEntry de in m_dskInfo.Directory)
{
TreeNode file = new TreeNode(de.Name);
file.Nodes.Add(String.Format("Type: {0}", de.FileType));
SimpleFile sf = de.GetFile();
switch (de.FileType)
{
case FileTypes.Assembly:
AssemblyFile af = (AssemblyFile)sf;
file.Nodes.Add(String.Format("Length: {0}", af.BlockLength));
file.Nodes.Add(String.Format("Load Addr: {0}", af.LoadAddress));
file.Nodes.Add(String.Format("Exec Addr: {0}", af.ExecAddress));
break;
default:
break;
}
//file.Nodes.Add (String.Format ("Length: {0}", de.Length));
//file.Nodes.Add (String.Format ("Granule: {0}", de.Granule));
lstFiles.Nodes.Add(file);
}
}
/// <summary>
/// Returns the file object for this directory entry.
/// </summary>
/// <returns></returns>
public SimpleFile GetFile()
{
return(SimpleFile.CreateInstance(this));
}
