/// <summary>
/// Helper method to Enumerate all importable items
/// </summary>
/// <param name="contentType">the content type</param>
/// <param name="selectionMode">the selection mode</param>
private async void findItems(PhotoImportContentTypeFilter contentType, PhotoImportItemSelectionMode selectionMode)
{
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage);
// Disable buttons and lists to prevent unexpected reentrance.
setButtonState(false);
this.sourceListBox.IsEnabled = false;
this.cts = new CancellationTokenSource();
try
{
this.progressRing.IsActive = true;
this.itemsToImport = null;
this.fileListView.ItemsSource = null;
// Dispose any created import session
if (this.session != null)
{
this.session.Dispose();
}
// Create the import session from the source selected
this.session = importSource.CreateImportSession();
RaisePropertyChanged("AppendSessionDateToDestinationFolder");
// Progress handler for FindItemsAsync
var progress = new Progress <uint>((result) =>
{
rootPage.NotifyUser(String.Format("Found {0} Files", result.ToString()), NotifyType.StatusMessage);
});
// Find all items available importable item from our source
this.itemsResult = await session.FindItemsAsync(contentType, selectionMode).AsTask(cts.Token, progress);
setIncrementalFileList(this.itemsResult);
DisplayFindItemsResult();
if (this.itemsResult.HasSucceeded)
{
// disable Find New , Find All and Delete button.
this.findNewItemsButton.IsEnabled = false;
this.findAllItemsButton.IsEnabled = false;
this.deleteButton.IsEnabled = false;
// enable list selection , folder options and import buttons
this.selectNewButton.IsEnabled = true;
this.selectNoneButton.IsEnabled = true;
this.selectAllButton.IsEnabled = true;
this.importButton.IsEnabled = true;
this.fileListView.IsEnabled = true;
this.AddSessionDateFolder.IsEnabled = true;
this.NoSubFolder.IsEnabled = true;
this.FileDateSubfolder.IsEnabled = true;
this.ExifDateSubfolder.IsEnabled = true;
this.KeepOriginalFolder.IsEnabled = true;
}
else
{
rootPage.NotifyUser("FindItemsAsync did not succeed or was not completed.", NotifyType.StatusMessage);
// re-enable Find New and Find All buttons
this.findNewItemsButton.IsEnabled = true;
this.findAllItemsButton.IsEnabled = true;
this.progressRing.IsActive = false;
}
this.progressRing.IsActive = false;
// Set the CancellationTokenSource to null when the work is complete.
cts = null;
}
catch (Exception ex)
{
rootPage.NotifyUser("Error: Operation incomplete. " + "Exception: " + ex.ToString(), NotifyType.ErrorMessage);
}
}
/// <summary>
/// Helper method to Enumerate all importable items
/// </summary>
/// <param name="contentType">the content type</param>
/// <param name="selectionMode">the selection mode</param>
private async void findItems(PhotoImportContentTypeFilter contentType, PhotoImportItemSelectionMode selectionMode)
{
rootPage.NotifyUser(String.Empty, NotifyType.StatusMessage);
// Disable buttons and lists to prevent unexpected reentrance.
setButtonState(false);
this.sourceListBox.IsEnabled = false;
this.cts = new CancellationTokenSource();
try
{
this.progressRing.IsActive = true;
this.itemsToImport = null;
this.fileListView.ItemsSource = null;
// Dispose any created import session
if (this.session != null)
{
this.session.Dispose();
this.session = null;
}
// Create the import session from the source selected
this.session = importSource.CreateImportSession();
RaisePropertyChanged("AppendSessionDateToDestinationFolder");
// Progress handler for FindItemsAsync
var progress = new Progress<uint>((result) =>
{
rootPage.NotifyUser(String.Format("Found {0} Files", result.ToString()), NotifyType.StatusMessage);
});
// Find all items available importable item from our source
this.itemsResult = await session.FindItemsAsync(contentType, selectionMode).AsTask(cts.Token, progress);
setIncrementalFileList(this.itemsResult);
DisplayFindItemsResult();
if (this.itemsResult.HasSucceeded)
{
// disable Find New , Find All and Delete button.
this.findNewItemsButton.IsEnabled = false;
this.findAllItemsButton.IsEnabled = false;
this.deleteButton.IsEnabled = false;
// enable list selection , folder options and import buttons
this.selectNewButton.IsEnabled = true;
this.selectNoneButton.IsEnabled = true;
this.selectAllButton.IsEnabled = true;
this.importButton.IsEnabled = true;
this.fileListView.IsEnabled = true;
this.AddSessionDateFolder.IsEnabled = true;
this.NoSubFolder.IsEnabled = true;
this.FileDateSubfolder.IsEnabled = true;
this.ExifDateSubfolder.IsEnabled = true;
this.KeepOriginalFolder.IsEnabled = true;
}
else
{
rootPage.NotifyUser("FindItemsAsync did not succeed or was not completed.", NotifyType.StatusMessage);
// re-enable Find New and Find All buttons
this.findNewItemsButton.IsEnabled = true;
this.findAllItemsButton.IsEnabled = true;
this.progressRing.IsActive = false;
}
this.progressRing.IsActive = false;
// Set the CancellationTokenSource to null when the work is complete.
cts = null;
}
catch (Exception ex)
{
rootPage.NotifyUser("Error: Operation incomplete. " + "Exception: " + ex.ToString(), NotifyType.ErrorMessage);
}
}
