public static int CompareById(NewsListItem item1, NewsListItem item2)
{
var data1 = item1.DataContext.Id;
var data2 = item2.DataContext.Id;
return(data1.CompareTo(data2));
}
public static int CompareByCreatedOn(NewsListItem item1, NewsListItem item2)
{
var data1 = item1.DataContext.CreatedOn;
var data2 = item2.DataContext.CreatedOn;
return(data1.CompareTo(data2));
}
public static int CompareByTitle(NewsListItem item1, NewsListItem item2)
{
var data1 = item1.DataContext.Title;
var data2 = item2.DataContext.Title;
return(string.Compare(data1, data2));
}
private bool TestItem(NewsListItem item, NewsSearchOptions search)
{
var news = item.DataContext;
if (news.Title.Contains(search.Text))
{
return(true);
}
int id;
if (int.TryParse(search.Text, NumberStyles.Integer, CultureInfo.InvariantCulture, out id))
{
if (news.Id == id)
{
return(true);
}
}
return(false);
}
public static int CompareByAuthor(NewsListItem item1, NewsListItem item2)
{
var data1 = item1.DataContext.Author;
var data2 = item2.DataContext.Author;
if (data1 == data2)
{
return(0);
}
if (data1 == null)
{
return(1);
}
else if (data2 == null)
{
return(-1);
}
return(string.Compare(data1.Name, data2.Name));
}