private async void UIElement_OnTapped(object sender, TappedRoutedEventArgs e)
{
var item = ((FrameworkElement)sender).Tag as FileExplorerItem;
if (item == null)
{
return;
}
if (item.IsFolder)
{
var folder = FolderTree.First();
if (folder.Path == item.Path)
{
return;
}
GetTreeForFolder(await FolderTree.First()
.GetFolderAsync(item.Name));
}
else
{
if (SelectionMode == SelectionMode.FileWithOpen)
{
SelectedSingleItem(item);
}
}
}
private async Task SelectedSingleItem(FileExplorerItem selectedItem)
{
foreach (FileExplorerItem item in CurrentItems)
{
if (item != selectedItem)
{
item.Selected = false;
}
else
{
item.Selected = true;
if (SelectionMode == SelectionMode.FileWithOpen)
{
try
{
IStorageFolderEx folder = FolderTree.First();
IStorageFileEx file = await folder.GetFileAsync(item.Name);
if (_player != null)
{
_player.Dispose();
}
if (file != null)
{
_player = new SamplePlayer();
_player.WithVoicePool(AudioDefines.VoicePool)
.WithXAudio(AudioDefines.XAudio)
.WithWaveFormat(AudioDefines.WaveFormat)
.WithChannelVolume(0.8)
.WithInput(file)
.BuildAsync().ContinueWith(task => task.Result.Play(), TaskScheduler.Default);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
FileExplorerItem targetItem = GetItemFromPath(item.Path);
if (item.Selected && targetItem == null)
{
SelectedItems.Add(item);
}
else if (!item.Selected && targetItem != null)
{
SelectedItems.Remove(GetItemFromPath(item.Path));
}
}
}
private void btnBack_Click(object sender, RoutedEventArgs e)
{
var check = sender as CheckBox;
if (check != null)
{
check.IsChecked = false;
}
SelectedSingleItem(null);
if (FolderTree.Count > 1)
{
FolderTree.Pop();
GetTreeForFolder(FolderTree.First());
}
else
{
Dismiss(null);
}
}
/// <summary>
/// Will retrieve the full folder and file tree for a folder from the internal storage.
/// </summary>
/// <param name="folder">The instance of the folder for which the tree will be retrieved.</param>
private async void GetTreeForFolder(IStorageFolderEx folder)
{
if (!FolderTree.Contains(folder))
{
FolderTree.Push(folder);
}
ProcessSelectedItems();
CurrentItems.Clear();
IEnumerable <IStorageFolderEx> folderList = await folder.GetFoldersAsync();
foreach (IStorageFolderEx _folder in folderList)
{
FileExplorerItem item =
(from c in SelectedItems where c.Path == _folder.Path select c).FirstOrDefault();
var _addItem = new FileExplorerItem
{
IsFolder = true,
Name = _folder.Name,
DisplayName = _folder.DisplayName,
Path = _folder.Path,
Selected = false
};
CurrentItems.Add(_addItem);
}
IEnumerable <IStorageFileEx> fileList = await folder.GetFilesAsync();
if (fileList != null)
{
foreach (IStorageFileEx _file in fileList)
{
//FileExplorerItem item = GetItemFromPath(_file.Path);
if (((ExtensionRestrictions & (ExtensionRestrictions.Custom | ExtensionRestrictions.InheritManifest)) !=
0) && (Extensions.Count != 0))
{
string extension = Path.GetExtension(_file.Name);
if (Extensions.FindIndex(x => x.Equals(extension, StringComparison.OrdinalIgnoreCase)) != -1)
{
CurrentItems.Add(new FileExplorerItem
{
IsFolder = false,
Name = _file.Name,
DisplayName = _file.Name,
Path = _file.Path,
Selected = false
});
}
}
else
{
CurrentItems.Add(new FileExplorerItem
{
IsFolder = false,
Name = _file.Name,
Path = _file.Path,
DisplayName = _file.Name,
Selected = false
});
}
}
}
CurrentPath = FolderTree.First()
.Path;
}