/// <summary>
/// Initializes a new instance of the <see cref="FolderVM"/> class.
/// </summary>
/// <param name="another">Another <see cref="FolderVM"/> instance to copy data from.</param>
protected FolderVM(FolderVM another)
{
AbsolutePath = another.AbsolutePath;
isSelected = another.IsSelected;
Model = another.Model;
Folder = another.Folder;
}
/// <summary>
/// Fetch data from corresponding folder model and its childs folder and files.
/// </summary>
public override void Refresh()
{
base.Refresh();
IList <IViewModel> list = new List <IViewModel>();
foreach (DirectoryInfo folder in Model.Folders(Folder.FullName))
{
var vm = new FolderVM(Model)
{
AbsolutePath = folder.FullName
};
vm.Refresh();
list.Add(vm);
}
foreach (FileInfo file in Model.Files(Folder.FullName))
{
var vm = new FileVM(Model)
{
AbsolutePath = file.FullName
};
vm.Refresh();
list.Add(vm);
}
// Sorting by file extenshion and, then, by file name.
// TODO: make it configurable: sorting childs
IOrderedEnumerable <IViewModel> sortedList =
list.OrderBy(vm => vm is FileVM)
.ThenBy(
vm => (vm is FileVM)
? ((FileVM)vm).Extension.ToLowerInvariant()
: string.Empty)
.ThenBy(
vm => (vm is FileVM)
? ((FileVM)vm).Name.ToLowerInvariant()
: string.Empty);
// -- TODOEND --
// TODO: remove this temporary "parent simulator" from childs collection
// and make it separate in UI and code, but navigatable like always.
IEnumerable <IViewModel> resultList = Enumerable.Empty <IViewModel>();
var fullVM = NavigateOut();
var parent = new ParentNodeVM(fullVM)
{
AbsolutePath = ((IViewModel)fullVM).AbsolutePath
};
resultList = Enumerable.Repeat((IViewModel)parent, 1);
resultList = resultList.Concat(sortedList);
// -- TODOEND --
OnPropertyChanging("Childs");
childs.Clear();
childs = new ObservableCollection <IViewModel>(resultList);
OnPropertyChanged("Childs");
if (CurrentItemIndex == -1 && childs.Count > 0)
{
CurrentItemIndex = 0;
}
Header.Text = Name;
var imageConverter = new FileToIconConverter
{
DefaultSize = 16
};
Header.Icon = imageConverter.GetImage(AbsolutePath, 16);
}