void CopyFiles::PasteButton_Click()

in archived/Clipboard/cpp/CopyFiles.xaml.cpp [94:193]

• 84 lines of code
• 11 McCabe index (conditional complexity)

void CopyFiles::PasteButton_Click(Object^ sender, RoutedEventArgs^ e)
{
    OutputText->Text = "";

    // Get data package from clipboard
    DataPackageView^ dataPackageView = DataTransfer::Clipboard::GetContent();

    if (dataPackageView->Contains(StandardDataFormats::StorageItems))
    {
        create_task(dataPackageView->GetStorageItemsAsync()).then(
            [this, dataPackageView](task<IVectorView<IStorageItem^>^> itemsTask)
        {
            IVectorView<IStorageItem^>^ storageItems;
            try
            {
                storageItems = itemsTask.get();
            }
            catch (Exception^ ex)
            {
                rootPage->NotifyUserBackgroundThread("Failed GetStorageItemsAsync - " + ex->Message, NotifyType::ErrorMessage);
            }

            if (storageItems != nullptr)
            {
                rootPage->NotifyUserBackgroundThread("Pasting " + storageItems->Size + " file(s):\n", NotifyType::StatusMessage);

                OutputText->Text += "Requested Operation: ";

                switch (dataPackageView->RequestedOperation)
                {
                case DataPackageOperation::Copy:
                    {
                        OutputText->Text += "Copy \n\n";
                    }
                    break;

                case DataPackageOperation::Link:
                    {
                        OutputText->Text += "Link \n\n";
                    }
                    break;

                case DataPackageOperation::Move:
                    {
                        OutputText->Text += "Move \n\n";
                    }
                    break;

                case DataPackageOperation::None:
                    {
                        OutputText->Text += "None \n\n";
                    }
                    break;

                default:
                    break;
                }

                // Iterate through each element in the storageitem vector.
                std::for_each(begin(storageItems), end(storageItems),
                    [this](IStorageItem^ item)
                {
                    if (item->IsOfType(StorageItemTypes::File))
                    {
                        StorageFile^ file = safe_cast<StorageFile^>(item);

                        // Copy the file
                        create_task(file->CopyAsync(ApplicationData::Current->LocalFolder, file->Name, NameCollisionOption::ReplaceExisting)).then(
                            [=](task<StorageFile^> copiedTask)
                        {
                            StorageFile^ copiedFile;
                            try
                            {
                                copiedFile = copiedTask.get();
                            }
                            catch (Exception^ ex)
                            {
                                rootPage->NotifyUserBackgroundThread("Failed CopyAsync - " + ex->Message, NotifyType::ErrorMessage);
                            }

                            if (copiedFile)
                            {
                                OutputText->Text += "File: " + copiedFile->Name + " was copied from " + file->Name + "\n";
                            }
                        });
                    }
                    else
                    {
                        // Skipping folders for brevity sake.
                        OutputText->Text += item->Path + " is a folder, skipping \n";
                    }
                });
            }
        });
    }
    else
    {
        rootPage->NotifyUser("StorageItems format is not available in clipboard", NotifyType::StatusMessage);
    }
}