private void treeView_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
TreeViewItem tvi = (TreeViewItem)e.NewValue;
if (tvi != null)
{
tvi.IsExpanded = !tvi.IsExpanded;
// This should be the label of the course ID
//
StackPanel itemHeader = (StackPanel)((TreeViewItem)((TreeView)sender).SelectedItem).Header;
// Refresh the course path canvas
//
coursePathCanvas.Children.Clear();
coursePathCanvas.Children.Add(dashLine1);
coursePathCanvas.Children.Add(dashLine2);
coursePathCanvas.Children.Add(dashLine3);
listOfTopCourses.Clear();
clearListOfY();
// And the course id take from the label name
//
var courseButton = itemHeader.Children.OfType <Button>().FirstOrDefault();
if (!departmentWindow.isSetProgramme)
{
Course targetCourse = DatabaseConnection.getCourse(courseButton.Content.ToString());
if (targetCourse != null)
{
Utilities.fillCourseInfoDataGrid(courseInfoDataGrid, targetCourse);
// Draw the course path
//
List <Course> relatedPreReq = DatabaseConnection.generateAllRelatedPreRequisites(targetCourse);
relatedPreReq.Insert(0, targetCourse);
foreach (Course course in relatedPreReq)
{
setCoursePath(course.id);
}
}
else
{
Logger.Error("ProgrammeWindow::treeView_SelectedItemChanged() Target Course could not be found in the database.");
}
}
}
}
private void courseItemAction(object sender, System.Windows.RoutedEventArgs e)
{
Button button = (Button)e.Source;
// Refresh the course path canvas
//
coursePathCanvas.Children.Clear();
coursePathCanvas.Children.Add(dashLine1);
coursePathCanvas.Children.Add(dashLine2);
coursePathCanvas.Children.Add(dashLine3);
listOfTopCourses.Clear();
clearListOfY();
// Draw the course path
//
try
{
Course targetCourse = DatabaseConnection.getCourse(button.Content.ToString());
if (targetCourse != null)
{
Utilities.fillCourseInfoDataGrid(courseInfoDataGrid, targetCourse);
List <Course> relatedPreReq = DatabaseConnection.generateAllRelatedPreRequisites(targetCourse);
relatedPreReq.Insert(0, targetCourse);
foreach (Course course in relatedPreReq)
{
setCoursePath(course.id);
}
}
else
{
Logger.Error("ProgrammeWindow::courseItemAction() Target Course could not be found in the database.");
}
}
catch (Exception ex)
{
Logger.Error("ProgrammeWindow::courseItemAction() " + ex.Message);
}
}