/// <summary>
/// Closes the currently-open file preview
/// </summary>
/// <returns></returns>
public async Task ClosePreview()
{
// Don't do anything if already closed
if (activePreviewControl == null)
{
return;
}
// Close the old control
activePreviewControl.Visibility = Visibility.Collapsed;
await activePreviewControl.ClosePreview();
activePreviewControl = null;
}
/// <summary>
/// Shows a preview for the given file
/// </summary>
/// <param name="selectedItem"></param>
/// <returns></returns>
public async Task OpenPreview(TaggedFilePath selectedItem)
{
//check if it is a common file
if (!Utils.IsImageFile(selectedItem.FullPath) &&
!Utils.IsVideoFile(selectedItem.FullPath) &&
!selectedItem.IsFolder)
{
await ClosePreview();
return;
}
bool img = Utils.IsImageFile(selectedItem.FullPath);
bool vid = Utils.IsVideoFile(selectedItem.FullPath);
bool fol = selectedItem.IsFolder;
IsOpening = true;
// Close the previously open file
await ClosePreview();
// Pick the first control that's capable of opening this file
activePreviewControl = previewControls.First(c => c.CanOpen(selectedItem));
// Show the file
activePreviewControl.Visibility = Visibility.Visible;
try
{
await activePreviewControl.OpenPreview(selectedItem);
}
catch (Exception e)
{
Utils.WriteConsole(e.Message, true);
//MessageBox.Show(e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Warning);
}
IsOpening = false;
}