public static ImageSource GetFolderIcon(FolderItem folderItem)
{
if (folderItem.Parent == null)
{
return(GetIconInternal(folderItem.GetPath(), ItemType.Folder));
}
if (folderIcon == null)
{
folderIcon = GetIconInternal(folderItem.GetPath(), ItemType.Folder);
}
return(folderIcon);
}
void CollectNestedItems(FolderItem parentItem, CancellationToken cancellationToken)
{
if (parentItem == null || parentItem.IsFile)
{
return;
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
(parentItem as FolderItem).IsProcessing = true;
var parentPath = parentItem.GetPath();
if (string.IsNullOrEmpty(parentPath))
{
return;
}
parentItem.AddChildrenRange(ProcessContent(fileSystemProvider.GetDirectoryContent(parentPath), cancellationToken));
if (cancellationToken.IsCancellationRequested)
{
return;
}
parentItem.IsProcessing = false;
if (!parentItem.HasChildren)
{
parentItem.UpdateIsValid(true);
}
OnFileSystemItemProcessed(parentItem);
}
public void FolderPropertiesTest()
{
var folderItem = new FolderItem("1");
Assert.AreEqual(@"1", folderItem.DisplayName);
Assert.AreEqual(@"1", folderItem.GetPath());
Assert.IsNull(folderItem.Parent);
Assert.IsFalse(folderItem.HasChildren);
Assert.IsFalse(folderItem.IsFile);
Assert.AreEqual(0, folderItem.Size);
}
public void DrivePropertiesTest()
{
var driveItem = new FolderItem(@"C:\");
Assert.AreEqual(@"C:\", driveItem.DisplayName);
Assert.AreEqual(@"C:\", driveItem.GetPath());
Assert.IsNull(driveItem.Parent);
Assert.IsFalse(driveItem.HasChildren);
Assert.IsFalse(driveItem.IsFile);
Assert.AreEqual(0, driveItem.Size);
}