public override bool MovePrevious()
{
if (Any() == false)
{
return(false);
}
if (_book.IsFirst)
{
if (base.MovePrevious())
{
_book = ViewModeSelector.Create(Value, ViewMode);
_book.MoveLast();
return(true);
}
else
{
return(false);
}
}
else
{
return(_book.MovePrevious());
}
}
public bool MoveAt(string path)
{
if (Any() == false)
{
return(false);
}
int counter = 0;
foreach (var entry in Entries)
{
if (entry.Parent == path)
{
Index = counter;
}
counter++;
}
_book = ViewModeSelector.Create(Value, ViewMode);
return(true);
}
public BookShelf(string path) : base()
{
if (File.Exists(path))
{
Parent = Path.GetDirectoryName(path);
}
else
{
Parent = path;
}
int counter = 0;
var entries = Storage.GetBookEntries(Parent);
if (Any())
{
Index = 0;
}
foreach (var entry in entries)
{
Add(BookMaker.Create(entry));
if (entry == Parent)
{
Index = counter;
}
if (entry == path)
{
Index = counter;
}
counter++;
}
if (Storage.IsPictureFile(path))
{
Value.MoveAt(path);
}
_book = ViewModeSelector.Create(Value, ViewMode);
}