/// <summary>
/// Get the list that has been grouped by whether user has bought or teached.
/// </summary>
/// <returns>
/// A list contains two GroupInfoList, one is attending list, another
/// is teaching list.
/// </returns>
internal List <GroupInfoList <object> > GetGroupsByAttendingOrTeaching()
{
List <GroupInfoList <object> > groups = new List <GroupInfoList <object> >();
GroupInfoList <object> attending = new GroupInfoList <object>();
GroupInfoList <object> teaching = new GroupInfoList <object>();
attending.Key = "Attending";
teaching.Key = "Teaching";
foreach (Course g in Collection)
{
if (g.IsBuy)
{
attending.Add(g);
}
if (g.IsTeach)
{
teaching.Add(g);
}
}
groups.Add(attending);
groups.Add(teaching);
return(groups);
}
/// <summary>
/// Gets the search result group.
/// </summary>
/// <param name="searchCount">The search count.</param>
/// <returns></returns>
internal List <GroupInfoList <object> > GetSearchResultGroup(string searchCount)
{
List <GroupInfoList <object> > group = new List <GroupInfoList <object> >();
GroupInfoList <object> searchResult = new GroupInfoList <object>();
searchResult.Key = searchCount + " Result";
foreach (Course g in Collection)
{
searchResult.Add(g);
}
group.Add(searchResult);
return(group);
}
//internal List<GroupInfoList<object>> GetSearchResultBySearchString(string searchString)
//{
// List<GroupInfoList<object>> group = new List<GroupInfoList<object>>();
//}
/// <summary>
/// Get the single group classified by the category Title.
/// </summary>
/// <param name="categoryTitle">The category title.</param>
/// <returns>
/// A list only contain a single GroupInfoList, which contain the
/// elements that had been grouped.
/// </returns>
internal List <GroupInfoList <object> > GetSingleGroupByCategoryTitle(string categoryTitle)
{
List <GroupInfoList <object> > group = new List <GroupInfoList <object> >();
var query = from course in Collection
where ((Course)course).Category == categoryTitle
group course by((Course)course).Category into g
select new { GroupTitle = g.Key, Courses = g };
foreach (var g in query)
{
GroupInfoList <object> info = new GroupInfoList <object>();
info.Key = g.GroupTitle;
foreach (var course in g.Courses)
{
info.Add(course);
}
group.Add(info);
}
return(group);
}
/// <summary>
/// Get the list that has been grouped by the category.
/// </summary>
/// <returns>
/// A list of GroupInfoList, each GroupInfoList contains the data
/// classified according to the category.
/// </returns>
internal List <GroupInfoList <object> > GetGroupsByCategory()
{
List <GroupInfoList <object> > groups = new List <GroupInfoList <object> >();
var query = from course in Collection
group course by((Course)course).Category into g
select new { GroupTitle = g.Key, Courses = g };
foreach (var g in query)
{
GroupInfoList <object> info = new GroupInfoList <object>();
info.Key = g.GroupTitle;
if (Constants.CategoryNameList.Contains(info.Key))
{
info.CategoryImg = "ms-appx:///Images/Category/" + info.Key + ".jpg";
}
else
{
info.CategoryImg = Constants.RecUriDic[info.Key as string];
}
Random ran = new Random();
int random = ran.Next(3, 6);
int size = 0;
if (random > g.Courses.Count())
{
size = g.Courses.Count();
}
else
{
size = random;
}
switch (size)
{
case 1:
{
(g.Courses.ElementAt(0) as Course).ItemContainerType = GridViewItemContainerType.SquareGridViewItemContainerSize;
break;
}
case 2:
{
(g.Courses.ElementAt(0) as Course).ItemContainerType = GridViewItemContainerType.DoubleHeightGridViewItemContainerSize;
(g.Courses.ElementAt(1) as Course).ItemContainerType = GridViewItemContainerType.DoubleHeightGridViewItemContainerSize;
break;
}
case 3:
{
(g.Courses.ElementAt(0) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(1) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(2) as Course).ItemContainerType = GridViewItemContainerType.SquareGridViewItemContainerSize;
break;
}
case 4:
{
(g.Courses.ElementAt(0) as Course).ItemContainerType = GridViewItemContainerType.DoubleWidthGridViewItemContsinerSize;
(g.Courses.ElementAt(1) as Course).ItemContainerType = GridViewItemContainerType.DoubleHeightGridViewItemContainerSize;
(g.Courses.ElementAt(2) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(3) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
break;
}
case 5:
{
(g.Courses.ElementAt(0) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(1) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(2) as Course).ItemContainerType = GridViewItemContainerType.DoubleWidthGridViewItemContsinerSize;
(g.Courses.ElementAt(3) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(4) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
break;
}
case 6:
{
(g.Courses.ElementAt(0) as Course).ItemContainerType = GridViewItemContainerType.DoubleHeightGridViewItemContainerSize;
(g.Courses.ElementAt(1) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(2) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(3) as Course).ItemContainerType = GridViewItemContainerType.DoubleWidthGridViewItemContsinerSize;
(g.Courses.ElementAt(4) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
(g.Courses.ElementAt(5) as Course).ItemContainerType = GridViewItemContainerType.DefaultGridViewItemContainerSize;
break;
}
}
for (int i = 0; i < size; ++i)
{
var c = g.Courses.ElementAt(i);
info.Add(c);
}
groups.Add(info);
}
return(groups);
}
