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February 27, 2012 20:39
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Folder Tree WPF Control: Part 1 - View Model
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namespace GeekJ.FolderTreeControl.Model | |
{ | |
public class Drive : FolderTreeItem | |
{ | |
private DriveInfo _driveInfo; | |
public DriveInfo DriveInfo | |
{ | |
get | |
{ | |
return _driveInfo; | |
} | |
set | |
{ | |
_driveInfo = value; | |
} | |
} | |
public Drive(DriveInfo driveInfo) | |
{ | |
DriveInfo = driveInfo; | |
} | |
public string Label | |
{ | |
get | |
{ | |
return DriveInfo.Name; | |
} | |
} | |
private ObservableCollection<Folder> _folders; | |
public ObservableCollection<Folder> Folders | |
{ | |
get | |
{ | |
if (_folders == null) | |
{ | |
_folders = new ObservableCollection<Folder>(); | |
_folders.Add(new Folder()); | |
} | |
return _folders; | |
} | |
} | |
public override void LoadChildren() | |
{ | |
Folders.Clear(); | |
foreach (var child in Folder.LoadSubFolders(DriveInfo.RootDirectory)) | |
{ | |
Folders.Add(child); | |
} | |
} | |
} | |
} |
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namespace GeekJ.FolderTreeControl.Model | |
{ | |
public class Folder : FolderTreeItem | |
{ | |
private System.IO.DirectoryInfo directoryInfo; | |
public Folder() | |
{ | |
} | |
public Folder(System.IO.DirectoryInfo directoryInfo) | |
{ | |
this.directoryInfo = directoryInfo; | |
} | |
private ObservableCollection<Folder> _folders; | |
public ObservableCollection<Folder> Folders | |
{ | |
get | |
{ | |
if (_folders == null) | |
{ | |
_folders = new ObservableCollection<Folder>(); | |
_folders.Add(new Folder()); | |
} | |
return _folders; | |
} | |
} | |
public string Label | |
{ | |
get | |
{ | |
return directoryInfo.Name; | |
} | |
} | |
public override void LoadChildren() | |
{ | |
Folders.Clear(); | |
foreach (var child in Folder.LoadSubFolders(directoryInfo)) | |
{ | |
Folders.Add(child); | |
} | |
} | |
internal static IEnumerable<Folder> LoadSubFolders(System.IO.DirectoryInfo directoryInfo) | |
{ | |
return directoryInfo.EnumerateDirectories().Select(x => new Folder(x)); | |
} | |
} | |
} |
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namespace GeekJ.FolderTreeControl.Model | |
{ | |
public class FolderTreeViewModel : ViewModelBase | |
{ | |
private ObservableCollection<Drive> _drives; | |
public ObservableCollection<Drive> Drives | |
{ | |
get { return _drives; } | |
set | |
{ | |
_drives = value; | |
OnPropertyChanged("Drives"); | |
} | |
} | |
public FolderTreeViewModel() | |
{ | |
_drives = new ObservableCollection<Drive>(); | |
foreach (var driveInfo in DriveInfo.GetDrives()) | |
{ | |
_drives.Add(new Drive(driveInfo)); | |
} | |
} | |
} | |
} |
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