private ExplorerImage GetImage(ExplorerDirectory parent, string name, string extension)
{
string path = Path.Combine(GetPath(parent), string.Format(CultureInfo.InvariantCulture, "{0}{1}", name, extension));
if(File.Exists(path) && IsImageExtension(extension))
{
return new ExplorerImage(name, path, extension);
}
return null;
}
private ExplorerDirectory GetDirectory(ExplorerDirectory parent, string name)
{
string path = Path.Combine(GetPath(parent), name);
if (Directory.Exists(path))
{
return new ExplorerDirectory(name, path);
}
return null;
}
private void AddChildren(ExplorerDirectory parent)
{
string path = GetPath(parent);
foreach (string file in Directory.GetFiles(path))
{
ExplorerImage child = GetImage(parent, Path.GetFileNameWithoutExtension(file), Path.GetExtension(file));
if (child != null)
{
parent.AddChild(child);
}
}
foreach (var directory in Directory.GetDirectories(path))
{
ExplorerDirectory child = GetDirectory(parent, Path.GetFileName(directory));
if (child != null)
{
parent.AddChild(child);
}
}
}
private string GetPath(ExplorerDirectory directory)
{
if (directory == null)
{
return homeDirectoryPath;
}
if (directory.Parent == null)
{
return Path.Combine(homeDirectoryPath, directory.Name);
}
return Path.Combine(GetPath(directory.Parent), directory.Name);
}
public ExplorerDirectory GetHomeDirectory()
{
var homeDirectory = new ExplorerDirectory(string.Empty, homeDirectoryPath);
AddChildren(homeDirectory);
return homeDirectory;
}