// called every time the class is instantiated.
public void SetDetailItem (Book newDetailItem)
{
if (DetailItem != newDetailItem)
{
DetailItem = newDetailItem;
this.Title = DetailItem.getTitle ();
// set the photo until otherwise determined
//coverImage.Image = UIImage.FromBundle ("unavailable.png");
// Update the view
ConfigureView ();
}
}
public void SetBookItem(Book newDetailItem)
{
if (newBook != newDetailItem) {
newBook = newDetailItem;
// attempt to set it manually
newBook.title = newDetailItem.getTitle ();
newBook.author = newDetailItem.getAuthor ();
newBook.publisher = newDetailItem.getPublisher ();
newBook.summary = newDetailItem.getSummary ();
newBook.isbn = newDetailItem.getIsbn ();
newBook.dateadded = newDetailItem.getDateAdded ();
timeAdded = newDetailItem.getDateAdded ();
Console.Out.WriteLine ("Time added: " + timeAdded.ToString ());
Console.Out.WriteLine ("Set Book Item entered: " + newBook.getTitle ());
}
}
private void insertToDatabase(Book theBook)
{
var documents = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
_pathToDatabase = Path.Combine(documents, _databaseName);
using (var db = new SQLite.SQLiteConnection(_pathToDatabase ))
{
db.InsertOrReplace (theBook);
}
Console.Out.WriteLine ("Book " + newBook.getTitle () + " inserted into database.");
// ui alert to let the user know
var alert = UIAlertController.Create("Book Added!", "Hit the back button to see the book in your Book List.", UIAlertControllerStyle.Alert);
// add buttons
alert.AddAction(UIAlertAction.Create("Okay", UIAlertActionStyle.Default, null));
// actually show the thing
PresentViewController(alert, true, null);
}
partial void addButton_TouchUpInside(UIButton sender)
{
Console.Out.WriteLine("Manual add button pressed.");
string titleText = titleField.Text;
string authorText = authorField.Text;
string pubText = pubField.Text;
string summaryText = summaryField.Text;
string isbnText = isbnField.Text;
Console.Out.WriteLine("book info: \n" + titleText + "\n" + authorText + "\n" + pubText + "\n" + summaryText + "\n" + isbnText);
// then make it into a book object and load it into the database
if(string.IsNullOrEmpty(isbnText) || isbnText.Length < 9)
{
newBook = new Book(); // used to be blank
Console.Out.WriteLine("newbook blank isbn");
newBook.usesuserphoto = true;
}
else
{
newBook = new Book(isbnText);
Console.Out.WriteLine("newbook given isbn");
newBook.usesuserphoto = false;
}
/*if(!string.IsNullOrEmpty(photoString))
{
Console.Out.WriteLine("photo string not null or empty! adding");
newBook.userimagepath = photoString;
}*/
if(!string.IsNullOrEmpty(pngFilename))
{
Console.Out.WriteLine("pngfile name not null or empty: " + pngFilename);
newBook.userimagepath = pngFilename;
}
// perform user initializations
newBook.title = titleText;
newBook.author = authorText;
newBook.publisher = pubText;
newBook.summary = summaryText;
newBook.coverstring = null;
// this is how to tell if this class was entered from BookViewController or the UI Alert Controller
if(timeAdded == new DateTime())
{
var thisdate = DateTime.Now.ToLocalTime ();
newBook.dateadded = thisdate;
}
else
{
newBook.dateadded = timeAdded;
}
// make sure that none of the important fields are empty before adding
if((newBook.title == string.Empty) || (newBook.author == string.Empty))
{
Console.Out.WriteLine("Hold on a minute! You didn't add a title or an author!");
string titleMessage = "Wait Just A Hot Second!";
string contentMessage = "You left the title or the author empty!\nIt's okay to write \'I don't know\' and edit it later!";
// now make an alert to notify the user
var alert = UIAlertController.Create(titleMessage, contentMessage, UIAlertControllerStyle.Alert);
// add buttons
alert.AddAction(UIAlertAction.Create("Hmm...Okay", UIAlertActionStyle.Default, null));
// actually show the thing
PresentViewController(alert, true, null);
// return so that the book's not added
return;
}
insertToDatabase(newBook);
}
public void deleteFromDatabase(Book oldBook)
{
Console.Out.WriteLine("Book " + oldBook.getTitle() + " deleted from database.");
using (var db = new SQLite.SQLiteConnection(_pathToDatabase))
{
Console.Out.WriteLine ("object deleted: " + oldBook.getDateAdded ());
db.Delete (oldBook);
//return Delete
}
}
async void scanIsbn()
{
// start the barcode scanner
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
try
{
// create an object to hold the book.
Book newBook = new Book (result.Text);
Console.Out.WriteLine ("newbook title: " + newBook.getTitle ());
// make sure it's actually a book before adding it.
try
{
if (newBook.getAuthor().Length > 3)
{
insertToDatabase (newBook);
Console.Out.WriteLine("newbook added");
dataSource.Objects.Insert (0, newBook);
using (var indexPath = NSIndexPath.FromRowSection (0, 0))
TableView.InsertRows (new [] { indexPath }, UITableViewRowAnimation.Automatic);
} else
Console.Out.WriteLine ("newbook seems to be null");
}
catch(Exception ex)
{
Console.Out.WriteLine ("Adding newbook error: " + ex.ToString ());
}
}
catch(Exception ex)
{
Console.Out.WriteLine ("scanning was probably canceled.\n" + ex.ToString ());
}
}
private void insertToDatabase(Book newBook)
{
using (var db = new SQLite.SQLiteConnection(_pathToDatabase ))
{
db.Insert(newBook);
}
Console.Out.WriteLine ("Book " + newBook.getTitle () + " inserted into database.");
}
