public static IQueryable <Book> RateBooks(User user, BookRateEnum bookrate)
{
int rate = BookHelper.BookRateConvert(bookrate);
var bs = from ub in JianLiLinq.Default.DB.UserBooks
where ub.BookRate == rate && ub.UserID == user.UserID
select ub.Book;
return(bs.Take(8));
}
private void SetSelectedBookRate(BookRateEnum rate)
{
List <BookAndUser> ubinfos = GetSelectedUserBookInfos();
if (ubinfos.Count != 1)
{
return;
}
if (ubinfos[0].UserBook == null)
{
ubinfos[0].UserBook = JianLiLinq.Default.CreateUserBook(ubinfos[0].Book);
JianLiLinq.Default.DB.SubmitChanges();
}
ubinfos[0].UserBook.BookRate = BookHelper.BookRateConvert(rate);
JianLiLinq.Default.DB.SubmitChanges();
}
private void SetSelectedBookRate(BookRateEnum rate)
{
if (this.listView1.SelectedItems.Count != 1)
{
return;
}
BookAndUser bu = this.listView1.SelectedItems[0].Tag as BookAndUser;
if (bu.UserBook == null)
{
bu.UserBook = JianLiLinq.Default.GetUserBook(bu.Book);
if (bu.UserBook == null)
{
bu.UserBook = JianLiLinq.Default.CreateUserBook(bu.Book);
}
}
bu.UserBook.BookRate = BookHelper.BookRateConvert(rate);
JianLiLinq.Default.DB.SubmitChanges();
}
public static int BookRateConvert(BookRateEnum bookrate)
{
switch (bookrate)
{
case BookRateEnum.Love:
return(4);
case BookRateEnum.Like:
return(3);
case BookRateEnum.Regular:
return(2);
case BookRateEnum.NoFeeling:
return(1);
case BookRateEnum.NotLike:
return(0);
default:
return(3);
}
}
// when mouse down, populate menu
private void listView1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
// type
IsBookMenuItem.Checked = false;
IsPaperMenuItem.Checked = false;
IsDocMenuItem.Checked = false;
IsUncheckMenuItem.Checked = false;
// rate
LoveMenuItem.Checked = false;
LikeMenuItem.Checked = false;
regularToolStripMenuItem.Checked = false;
noFeelingToolStripMenuItem.Checked = false;
HateMenuItem1.Checked = false;
notRateToolStripMenuItem.Checked = false;
ClipboardCopyMenuItem.Visible = Clipboard.ContainsImage();
if (this.listView1.SelectedItems.Count == 0)
{
return;
}
else if (this.listView1.SelectedItems.Count == 1)
{
BookAndUser ubook = this.listView1.SelectedItems[0].Tag as BookAndUser;
if (ubook == null)
{
return;
}
Book book = ubook.Book;
// book type
BookTypeEnum btype = BookHelper.GetBookType(book);
switch (btype)
{
case BookTypeEnum.Book:
IsBookMenuItem.Checked = true;
break;
case BookTypeEnum.Paper:
IsPaperMenuItem.Checked = true;
break;
case BookTypeEnum.Doc:
IsDocMenuItem.Checked = true;
break;
case BookTypeEnum.Uncheck:
IsUncheckMenuItem.Checked = true;
break;
default:
IsUncheckMenuItem.Checked = true;
break;
}
UserBooks ubinfo = ubook.UserBook;
if (ubinfo == null)
{
notRateToolStripMenuItem.Checked = true;
return;
}
// book rate
BookRateEnum rate = BookHelper.BookRateConvert(ubinfo.BookRate);
switch (rate)
{
case BookRateEnum.Love:
LoveMenuItem.Checked = true;
break;
case BookRateEnum.Like:
LikeMenuItem.Checked = true;
break;
case BookRateEnum.Regular:
regularToolStripMenuItem.Checked = true;
break;
case BookRateEnum.NoFeeling:
noFeelingToolStripMenuItem.Checked = true;
break;
case BookRateEnum.NotLike:
HateMenuItem1.Checked = true;
break;
default:
notRateToolStripMenuItem.Checked = true;
break;
}
}
else
{
foreach (ListViewItem item in this.listView1.SelectedItems)
{
}
}
}
}