/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
categoryName = e.Parameter as string;
Title.Text = Constants.UpperInitialChar(categoryName);
loadingProgressRing.IsActive = true;
/****** 这里是所有推荐课程的搜索 ***/
if (categoryName.Equals("Recommendation"))
{
TaskFactory<IEnumerable<COURSE_AVAIL>> tfRec = new TaskFactory<IEnumerable<COURSE_AVAIL>>();
IEnumerable<COURSE_AVAIL> recCourses = await tfRec.FromAsync(ctx.BeginExecute<COURSE_AVAIL>(
new Uri("/GetRecommendedCourses?customer_id=" + Constants.User.ID, UriKind.Relative), null, null),
iar => ctx.EndExecute<COURSE_AVAIL>(iar));
categoryCourses = new StoreData();
foreach (var c in recCourses)
{
categoryCourses.AddCourse(Constants.CourseRec2Course(c));
}
dataCategory = categoryCourses.GetSingleGroupByCategoryTitle(categoryName);
cvs1.Source = dataCategory;
loadingProgressRing.IsActive = false;
//courseDsq = (DataServiceQuery<COURSE_AVAIL>)(from course in ctx.COURSE_AVAIL
// where course.ID > 5
// select course);
//courseDsq.BeginExecute(OnRecommendationMannualCoursesComplete, null);
}
else
{
if (Constants.CategoryNameList.Contains(categoryName))
{
courseDsq = (DataServiceQuery<COURSE_AVAIL>)(from course_avail in ctx.COURSE_AVAIL
where course_avail.CATE_NAME == categoryName
select course_avail);
courseDsq.BeginExecute(OnCategoryCoursesComplete, null);
}
else
{
recDsq = (DataServiceQuery<COURSE_RECO_AVAIL>)(from re in ctx.COURSE_RECO_AVAIL
where re.RECO_TITLE == categoryName
select re);
recDsq.BeginExecute(OnRecommendationCoursesComplete, null);
}
}
UserProfileBt.DataContext = Constants.User;
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
try
{
teachDsq = (DataServiceQuery<COURSE_AVAIL>)(from course in ctx.COURSE_AVAIL
where course.TEACHER_NAME == Constants.User.NAME
select course);
TaskFactory<IEnumerable<COURSE_AVAIL>> tf = new TaskFactory<IEnumerable<COURSE_AVAIL>>();
IEnumerable<COURSE_AVAIL> attends = await tf.FromAsync(ctx.BeginExecute<COURSE_AVAIL>(
new Uri("/GetAllCoursesAttendedByCustomer?customer_id=" + Constants.User.ID, UriKind.Relative), null, null),
iar => ctx.EndExecute<COURSE_AVAIL>(iar));
IEnumerable<COURSE_AVAIL> teaches = await tf.FromAsync(teachDsq.BeginExecute(null, null), iar => teachDsq.EndExecute(iar));
courseData = new StoreData();
foreach (var c in attends)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
tmpCourse.IsBuy = true;
tmpCourse.IsTeach = false;
courseData.AddCourse(tmpCourse);
}
foreach (var c in teaches)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
tmpCourse.IsTeach = true;
tmpCourse.IsBuy = false;
courseData.AddCourse(tmpCourse);
}
dataCategory = courseData.GetGroupsByAttendingOrTeaching();
cvs1.Source = dataCategory;
UserProfileBt.DataContext = Constants.User;
}
catch
{
ShowMessageDialog("on navi to");
}
}
private async void OnRecommendationCoursesComplete(IAsyncResult result)
{
categoryCourses = new StoreData();
try
{
IEnumerable<COURSE_RECO_AVAIL> courses = recDsq.EndExecute(result);
foreach (var c in courses)
{
categoryCourses.AddCourse(Constants.CourseRecAvail2Course(c));
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
dataCategory = categoryCourses.GetSingleGroupByCategoryTitle(categoryName);
cvs1.Source = dataCategory;
loadingProgressRing.IsActive = false;
});
}
catch
{
ShowMessageDialog();
}
}
private async void OnSearchResultComplete(IAsyncResult result)
{
storeSearchResult = new StoreData();
try
{
IEnumerable<COURSE_AVAIL> courses = courseDsq.EndExecute(result);
foreach (var c in courses)
{
storeSearchResult.AddCourse(Constants.CourseAvail2Course(c));
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
searchResults = storeSearchResult.GetSearchResultGroup(searchString);
cvs1.Source = searchResults;
loadingProgressRing.IsActive = false;
});
}
catch
{
ShowMessageDialog();
}
}
/// <summary>
/// DataServiceQuery callback method to refresh the UI.
/// </summary>
/// <param name="result">Async operation result.</param>
private async void OnCourseAvailComplete(IAsyncResult result)
{
coursesData = new StoreData();
try
{
/************************ 搜索推荐课程 *********************/
TaskFactory<IEnumerable<COURSE_AVAIL>> tfRec = new TaskFactory<IEnumerable<COURSE_AVAIL>>();
IEnumerable<COURSE_AVAIL> recCourses = await tfRec.FromAsync(ctx.BeginExecute<COURSE_AVAIL>(
new Uri("/GetRecommendedCourses?customer_id=" + Constants.User.ID, UriKind.Relative), null, null),
iar => ctx.EndExecute<COURSE_AVAIL>(iar));
//DataServiceQuery<COURSE_AVAIL> recCourseDsq = (DataServiceQuery<COURSE_AVAIL>)(from rc in ctx.COURSE_AVAIL
// where rc.ID > 5
// select rc);
//TaskFactory<IEnumerable<COURSE_AVAIL>> recTF = new TaskFactory<IEnumerable<COURSE_AVAIL>>();
//IEnumerable<COURSE_AVAIL> recCourses = await recTF.FromAsync(recCourseDsq.BeginExecute(null, null), iar => recCourseDsq.EndExecute(iar));
foreach (var c in recCourses)
{
coursesData.AddCourse(Constants.CourseRec2Course(c));
}
/************************ 搜索推荐课程 *********************/
}
catch
{
coursesData = new StoreData();
}
try
{
DataServiceQuery<COURSE_RECO_AVAIL> craDsq = (DataServiceQuery<COURSE_RECO_AVAIL>)(from re in ctx.COURSE_RECO_AVAIL
select re);
TaskFactory<IEnumerable<COURSE_RECO_AVAIL>> tf = new TaskFactory<IEnumerable<COURSE_RECO_AVAIL>>();
IEnumerable<COURSE_RECO_AVAIL> recommendation = await tf.FromAsync(craDsq.BeginExecute(null, null), iar => craDsq.EndExecute(iar));
foreach (var re in recommendation)
{
coursesData.AddCourse(Constants.CourseRecAvail2Course(re));
}
IEnumerable<COURSE_AVAIL> courses = courseDsq.EndExecute(result);
foreach (var c in courses)
{
coursesData.AddCourse(Constants.CourseAvail2Course(c));
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
dataCategory = coursesData.GetGroupsByCategory();
cvs1.Source = dataCategory;
(SemanticZoom.ZoomedOutView as ListViewBase).ItemsSource = cvs1.View.CollectionGroups;
loadingProgressRing.IsActive = false;
});
}
catch
{
ShowMessageDialog("on course avail complete");
// Network Connection error.
}
}
/// <summary>
/// DataServiceQuery callback method to refresh the UI.
/// </summary>
/// <param name="result">Async operation result.</param>
private async void OnCourseAvailComplete(IAsyncResult result)
{
coursesData = new StoreData();
try
{
/************************ 搜索推荐课程 *********************/
TaskFactory <IEnumerable <COURSE_AVAIL> > tfRec = new TaskFactory <IEnumerable <COURSE_AVAIL> >();
IEnumerable <COURSE_AVAIL> recCourses = await tfRec.FromAsync(ctx.BeginExecute <COURSE_AVAIL>(
new Uri("/GetRecommendedCourses?customer_id=" + Constants.User.ID, UriKind.Relative), null, null),
iar => ctx.EndExecute <COURSE_AVAIL>(iar));
//DataServiceQuery<COURSE_AVAIL> recCourseDsq = (DataServiceQuery<COURSE_AVAIL>)(from rc in ctx.COURSE_AVAIL
// where rc.ID > 5
// select rc);
//TaskFactory<IEnumerable<COURSE_AVAIL>> recTF = new TaskFactory<IEnumerable<COURSE_AVAIL>>();
//IEnumerable<COURSE_AVAIL> recCourses = await recTF.FromAsync(recCourseDsq.BeginExecute(null, null), iar => recCourseDsq.EndExecute(iar));
foreach (var c in recCourses)
{
coursesData.AddCourse(Constants.CourseRec2Course(c));
}
/************************ 搜索推荐课程 *********************/
}
catch
{
coursesData = new StoreData();
}
try
{
DataServiceQuery <COURSE_RECO_AVAIL> craDsq = (DataServiceQuery <COURSE_RECO_AVAIL>)(from re in ctx.COURSE_RECO_AVAIL
select re);
TaskFactory <IEnumerable <COURSE_RECO_AVAIL> > tf = new TaskFactory <IEnumerable <COURSE_RECO_AVAIL> >();
IEnumerable <COURSE_RECO_AVAIL> recommendation = await tf.FromAsync(craDsq.BeginExecute(null, null), iar => craDsq.EndExecute(iar));
foreach (var re in recommendation)
{
coursesData.AddCourse(Constants.CourseRecAvail2Course(re));
}
IEnumerable <COURSE_AVAIL> courses = courseDsq.EndExecute(result);
foreach (var c in courses)
{
coursesData.AddCourse(Constants.CourseAvail2Course(c));
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
dataCategory = coursesData.GetGroupsByCategory();
cvs1.Source = dataCategory;
(SemanticZoom.ZoomedOutView as ListViewBase).ItemsSource = cvs1.View.CollectionGroups;
loadingProgressRing.IsActive = false;
});
}
catch
{
ShowMessageDialog("on course avail complete");
// Network Connection error.
}
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
SetAllTextBlock();
allCourses = new List<Course>();
loadingProgressRing.IsActive = true;
var borders = from b in topograph.Children.OfType<Border>()
select b;
List<string> courseNameList = new List<string>();
List<CloudEDU.Common.Constants.CourseAvaiStates> courseStatesList = new List<Constants.CourseAvaiStates>();
foreach (Border border in borders)
{
TextBlock textBlock = border.Child as TextBlock;
string courseShowName = textBlock.Text.Replace("\n", " ");
courseNameList.Add(textBlock.Text);
courseStatesList.Add(Constants.DepCourse.GetCourseLearnedState(courseShowName));
}
SetAllCoursesStates(courseNameList, courseStatesList);
SetCourseState("Compute\nArchitecture", Constants.CourseAvaiStates.NotLearnedDisable);
try
{
teachDsq = (DataServiceQuery<COURSE_AVAIL>)(from course in ctx.COURSE_AVAIL
where course.TEACHER_NAME == Constants.User.NAME
select course);
TaskFactory<IEnumerable<COURSE_AVAIL>> tf = new TaskFactory<IEnumerable<COURSE_AVAIL>>();
IEnumerable<COURSE_AVAIL> attends = await tf.FromAsync(ctx.BeginExecute<COURSE_AVAIL>(
new Uri("/GetAllCoursesAttendedByCustomer?customer_id=" + Constants.User.ID, UriKind.Relative), null, null),
iar => ctx.EndExecute<COURSE_AVAIL>(iar));
IEnumerable<COURSE_AVAIL> teaches = await tf.FromAsync(teachDsq.BeginExecute(null, null), iar => teachDsq.EndExecute(iar));
DataServiceQuery<COURSE_AVAIL> allCoursesDsq = (DataServiceQuery<COURSE_AVAIL>)(from c in ctx.COURSE_AVAIL
select c);
IEnumerable<COURSE_AVAIL> allCoursesEnum = await tf.FromAsync(allCoursesDsq.BeginExecute(null, null), iar => allCoursesDsq.EndExecute(iar));
foreach (var c in allCoursesEnum)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
allCourses.Add(tmpCourse);
}
courseData = new StoreData();
foreach (var c in attends)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
tmpCourse.IsBuy = true;
tmpCourse.IsTeach = false;
courseData.AddCourse(tmpCourse);
}
foreach (var c in teaches)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
tmpCourse.IsTeach = true;
tmpCourse.IsBuy = false;
courseData.AddCourse(tmpCourse);
}
dataCategory = courseData.GetGroupsByAttendingOrTeaching();
cvs1.Source = dataCategory;
UserProfileBt.DataContext = Constants.User;
}
catch
{
ShowMessageDialog("on navi to");
}
loadingProgressRing.IsActive = false;
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
SetAllTextBlock();
allCourses = new List <Course>();
loadingProgressRing.IsActive = true;
var borders = from b in topograph.Children.OfType <Border>()
select b;
List <string> courseNameList = new List <string>();
List <CloudEDU.Common.Constants.CourseAvaiStates> courseStatesList = new List <Constants.CourseAvaiStates>();
foreach (Border border in borders)
{
TextBlock textBlock = border.Child as TextBlock;
string courseShowName = textBlock.Text.Replace("\n", " ");
courseNameList.Add(textBlock.Text);
courseStatesList.Add(Constants.DepCourse.GetCourseLearnedState(courseShowName));
}
SetAllCoursesStates(courseNameList, courseStatesList);
SetCourseState("Compute\nArchitecture", Constants.CourseAvaiStates.NotLearnedDisable);
try
{
teachDsq = (DataServiceQuery <COURSE_AVAIL>)(from course in ctx.COURSE_AVAIL
where course.TEACHER_NAME == Constants.User.NAME
select course);
TaskFactory <IEnumerable <COURSE_AVAIL> > tf = new TaskFactory <IEnumerable <COURSE_AVAIL> >();
IEnumerable <COURSE_AVAIL> attends = await tf.FromAsync(ctx.BeginExecute <COURSE_AVAIL>(
new Uri("/GetAllCoursesAttendedByCustomer?customer_id=" + Constants.User.ID, UriKind.Relative), null, null),
iar => ctx.EndExecute <COURSE_AVAIL>(iar));
IEnumerable <COURSE_AVAIL> teaches = await tf.FromAsync(teachDsq.BeginExecute(null, null), iar => teachDsq.EndExecute(iar));
DataServiceQuery <COURSE_AVAIL> allCoursesDsq = (DataServiceQuery <COURSE_AVAIL>)(from c in ctx.COURSE_AVAIL
select c);
IEnumerable <COURSE_AVAIL> allCoursesEnum = await tf.FromAsync(allCoursesDsq.BeginExecute(null, null), iar => allCoursesDsq.EndExecute(iar));
foreach (var c in allCoursesEnum)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
allCourses.Add(tmpCourse);
}
courseData = new StoreData();
foreach (var c in attends)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
tmpCourse.IsBuy = true;
tmpCourse.IsTeach = false;
courseData.AddCourse(tmpCourse);
}
foreach (var c in teaches)
{
Course tmpCourse = Constants.CourseAvail2Course(c);
tmpCourse.IsTeach = true;
tmpCourse.IsBuy = false;
courseData.AddCourse(tmpCourse);
}
dataCategory = courseData.GetGroupsByAttendingOrTeaching();
cvs1.Source = dataCategory;
UserProfileBt.DataContext = Constants.User;
}
catch
{
ShowMessageDialog("on navi to");
}
loadingProgressRing.IsActive = false;
}
