public IOItem AddItem(FileSystemInfo pathInfo, IOItemType type)
{
string[] segments = pathInfo.FullName.Split(Path.DirectorySeparatorChar);
ObservableCollection <IOItem> currentItemList = Root;
IOItem lastItem = null;
//enumerate through all items in the list
for (int i = 0; i < segments.Length - 1; i++)
{
foreach (IOItem item in currentItemList)
{
string name = item.DisplayName.Trim('\\');
if (item.DisplayName.Trim('\\') == segments[i])
{
//item found, set currentItemList one path higher
currentItemList = item.Children;
lastItem = item;
}
}
}
//reload the children (refresh TreeView UI)
lastItem.SetChildren();
//return the new IOItem
return(lastItem.Children.Single(i => i.DisplayName == segments[segments.Length - 1]));
}
internal IOItem(string path, IOItemType type, IOItem parent, List <Wildcard> fileWildcard, List <Wildcard> dirWildcard, FileSystemTemplate template)
{
switch (type)
{
case IOItemType.Folder:
ItemInfo = new DirectoryInfo(path);
break;
case IOItemType.File:
ItemInfo = new FileInfo(path);
break;
}
Icon i = GetIcon(path, type);
this.Icon = Imaging.CreateBitmapSourceFromHIcon(i.Handle, System.Windows.Int32Rect.Empty, BitmapSizeOptions.FromWidthAndHeight(i.Width, i.Height));
this.Type = type;
this.Parent = parent;
this.fileWildcard = fileWildcard;
this.dirWildcard = dirWildcard;
_template = template;
}
private static Icon GetIcon(string path, IOItemType type, IconSize size, IconState state)
{
var flags = (uint)(NativeMethods.SHGFI_ICON | NativeMethods.SHGFI_USEFILEATTRIBUTES);
var attribute = (uint)(object.Equals(type, IOItemType.Folder) ? NativeMethods.FILE_ATTRIBUTE_DIRECTORY : NativeMethods.FILE_ATTRIBUTE_FILE);
if (object.Equals(type, IOItemType.Folder) && object.Equals(state, IconState.Open))
{
flags += NativeMethods.SHGFI_OPENICON;
}
if (object.Equals(size, IconSize.Small))
{
flags += NativeMethods.SHGFI_SMALLICON;
}
else
{
flags += NativeMethods.SHGFI_LARGEICON;
}
var shfi = new SHFileInfo();
var res = NativeMethods.SHGetFileInfo(path, attribute, out shfi, (uint)Marshal.SizeOf(shfi), flags);
if (object.Equals(res, IntPtr.Zero))
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
try
{
System.Drawing.Icon.FromHandle(shfi.hIcon);
return((Icon)System.Drawing.Icon.FromHandle(shfi.hIcon).Clone());
}
catch
{
throw;
}
finally
{
NativeMethods.DestroyIcon(shfi.hIcon);
}
}
public static Icon GetIcon(string path, IOItemType type)
{
return(GetIcon(path, type, IconSize.Large, IconState.Undefined));
}