private static AutomatedBackupsForm attachToBackupsForm(BackupBook backupBook)
{
#region create form
var automatedBackupsForm = new AutomatedBackupsForm();
#endregion
#region define how model actions will affect form behavior
void downloadBookBegin(object _, LibraryBook libraryBook) => automatedBackupsForm.AppendText($"Download Step, Begin: {libraryBook.Book}");
void statusUpdate(object _, string str) => automatedBackupsForm.AppendText("- " + str);
void downloadBookCompleted(object _, LibraryBook libraryBook) => automatedBackupsForm.AppendText($"Download Step, Completed: {libraryBook.Book}");
void decryptBookBegin(object _, LibraryBook libraryBook) => automatedBackupsForm.AppendText($"Decrypt Step, Begin: {libraryBook.Book}");
// extra line after book is completely finished
void decryptBookCompleted(object _, LibraryBook libraryBook) => automatedBackupsForm.AppendText($"Decrypt Step, Completed: {libraryBook.Book}{Environment.NewLine}");
void downloadPdfBegin(object _, LibraryBook libraryBook) => automatedBackupsForm.AppendText($"PDF Step, Begin: {libraryBook.Book}");
// extra line after book is completely finished
void downloadPdfCompleted(object _, LibraryBook libraryBook) => automatedBackupsForm.AppendText($"PDF Step, Completed: {libraryBook.Book}{Environment.NewLine}");
#endregion
#region subscribe new form to model's events
backupBook.DownloadBook.Begin += downloadBookBegin;
backupBook.DownloadBook.StatusUpdate += statusUpdate;
backupBook.DownloadBook.Completed += downloadBookCompleted;
backupBook.DecryptBook.Begin += decryptBookBegin;
backupBook.DecryptBook.StatusUpdate += statusUpdate;
backupBook.DecryptBook.Completed += decryptBookCompleted;
backupBook.DownloadPdf.Begin += downloadPdfBegin;
backupBook.DownloadPdf.StatusUpdate += statusUpdate;
backupBook.DownloadPdf.Completed += downloadPdfCompleted;
#endregion
#region when form closes, unsubscribe from model's events
// unsubscribe so disposed forms aren't still trying to receive notifications
automatedBackupsForm.FormClosing += (_, __) =>
{
backupBook.DownloadBook.Begin -= downloadBookBegin;
backupBook.DownloadBook.StatusUpdate -= statusUpdate;
backupBook.DownloadBook.Completed -= downloadBookCompleted;
backupBook.DecryptBook.Begin -= decryptBookBegin;
backupBook.DecryptBook.StatusUpdate -= statusUpdate;
backupBook.DecryptBook.Completed -= decryptBookCompleted;
backupBook.DownloadPdf.Begin -= downloadPdfBegin;
backupBook.DownloadPdf.StatusUpdate -= statusUpdate;
backupBook.DownloadPdf.Completed -= downloadPdfCompleted;
};
#endregion
return(automatedBackupsForm);
}
private static BackupBook getWiredUpBackupBook(EventHandler <LibraryBook> completedAction)
{
var backupBook = new BackupBook();
backupBook.DownloadBook.Begin += (_, __) => wireUpEvents(backupBook.DownloadBook);
backupBook.DecryptBook.Begin += (_, __) => wireUpEvents(backupBook.DecryptBook);
backupBook.DownloadPdf.Begin += (_, __) => wireUpEvents(backupBook.DownloadPdf);
if (completedAction != null)
{
backupBook.DownloadBook.Completed += completedAction;
backupBook.DecryptBook.Completed += completedAction;
backupBook.DownloadPdf.Completed += completedAction;
}
return(backupBook);
}
