private void setSelectedProgramme()
{
List <CourseProgrammePart> programmeParts = DatabaseConnection.readCourseProgrammePart(departmentWindow.selectedProgramme);
// Clear tree before repopulating
//
treeView.Items.Clear();
// Count the number of parts of the programme
//
List <String> listOfParts = new List <String>();
foreach (CourseProgrammePart courseProgrammePart in programmeParts)
{
bool isPartFound = false;
foreach (String part in listOfParts)
{
if (courseProgrammePart.part == part)
{
isPartFound = true;
break;
}
}
if (!isPartFound)
{
listOfParts.Add(courseProgrammePart.part);
}
}
TreeViewItem[] partItems = new TreeViewItem[listOfParts.Count];
for (int i = 0; i < partItems.Length; i++)
{
if (partItems[i] == null)
{
partItems[i] = new TreeViewItem();
}
partItems[i].IsExpanded = false;
// Create stack panel
//
StackPanel stack = new StackPanel();
stack.Orientation = Orientation.Horizontal;
var background = new SolidColorBrush(Colors.White);
stack.Background = background;
background.Opacity = 100;
// Create Image
//
//Image image = new Image();
//image.Source = new BitmapImage(new Uri(BasicManipulation.Properties.Resources.programmeIcon));
// Part Label
//
Label partLabel = new Label();
partLabel.Content = "PART " + listOfParts.ElementAt(i);
List <Course> programmeCourses = DatabaseConnection.readCoursesUsingProgrammePart(departmentWindow.selectedProgramme, listOfParts.ElementAt(i));
foreach (Course programmeCourse in programmeCourses)
{
TreeViewItem programmeCourseItem = new TreeViewItem();
programmeCourseItem.IsExpanded = false;
createCourseListButton(programmeCourseItem, BasicManipulation.Properties.Resources.programmeIcon, programmeCourse.id);
partItems[i].Items.Add(programmeCourseItem);
}
// Add into stack
//stack.Children.Add(image);
stack.Children.Add(partLabel);
// assign stack to header
partItems[i].Header = stack;
treeView.Items.Add(partItems[i]);
}
}
public void setCoursePath(String topCourseId)
{
Course topCourse = DatabaseConnection.getCourse(topCourseId);
if (topCourse == null)
{
return;
}
topCourse.setType(getCourseType(topCourse));
// First sem courses should be in the left
//
double year4StartXLocation1 = Canvas.GetLeft(dashLine3) + CommonInternals.COURSE_BUTTON_TOP_GAP;
double year3StartXLocation1 = Canvas.GetLeft(dashLine2) + CommonInternals.COURSE_BUTTON_TOP_GAP;
double year2StartXLocation1 = Canvas.GetLeft(dashLine1) + CommonInternals.COURSE_BUTTON_TOP_GAP;
double year1StartXLocation1 = CommonInternals.COURSE_BUTTON_TOP_GAP;
// Second sem courses should be in the right
//
double year4StartXLocation2 = coursePathCanvas.Width - CommonInternals.COURSE_BUTTON_TOP_GAP - topCourse.courseButton.Width;
double year3StartXLocation2 = Canvas.GetLeft(dashLine3) - CommonInternals.COURSE_BUTTON_TOP_GAP - topCourse.courseButton.Width;
double year2StartXLocation2 = Canvas.GetLeft(dashLine2) - CommonInternals.COURSE_BUTTON_TOP_GAP - topCourse.courseButton.Width;
double year1StartXLocation2 = Canvas.GetLeft(dashLine1) - CommonInternals.COURSE_BUTTON_TOP_GAP - topCourse.courseButton.Width;
// Course can be taken in any semester - place this in the center
//
double year4StartXLocation0 = Canvas.GetLeft(dashLine3) + ((coursePathCanvas.Width - Canvas.GetLeft(dashLine3)) / 2) - (topCourse.courseButton.Width / 2);
double year3StartXLocation0 = Canvas.GetLeft(dashLine2) + ((Canvas.GetLeft(dashLine3) - Canvas.GetLeft(dashLine2)) / 2) - (topCourse.courseButton.Width / 2);
double year2StartXLocation0 = Canvas.GetLeft(dashLine1) + ((Canvas.GetLeft(dashLine2) - Canvas.GetLeft(dashLine1)) / 2) - (topCourse.courseButton.Width / 2);
double year1StartXLocation0 = (Canvas.GetLeft(dashLine1) / 2) - (topCourse.courseButton.Width / 2);
// Making sure things will not mess up
//
if ((topCourse != null) && (topCourseId != null) && (topCourseId.Length != 0))
{
// Populating the top most course
//
double previousStartX = 0;
double previousStartY = CommonInternals.COURSE_BUTTON_LEFT_GAP;
Course existingCourse = getCourseFromCanvas(topCourse);
if (existingCourse == null)
{
if (topCourse.year == 4)
{
if (topCourse.sem == 1)
{
// Course should be taken in the 1st sem - place this in the left
//
previousStartX = year4StartXLocation1;
}
else if (topCourse.sem == 2)
{
// Course should be taken in the 2nd sem - place this in the right
//
previousStartX = year4StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year4StartXLocation0;
}
for (int i = 0; isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.FOURTH_YEAR]); i++)
{
previousStartY += topCourse.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.FOURTH_YEAR].Add(previousStartY);
}
else if (topCourse.year == 3)
{
if (topCourse.sem == 1)
{
previousStartX = year3StartXLocation1;
}
else if (topCourse.sem == 2)
{
previousStartX = year3StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year3StartXLocation0;
}
for (int i = 0; isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.THIRD_YEAR]) == true; i++)
{
previousStartY += topCourse.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.THIRD_YEAR].Add(previousStartY);
}
else if (topCourse.year == 2)
{
if (topCourse.sem == 1)
{
previousStartX = year2StartXLocation1;
}
else if (topCourse.sem == 2)
{
previousStartX = year2StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year2StartXLocation0;
}
for (int i = 0; isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.SECOND_YEAR]) == true; i++)
{
previousStartY += topCourse.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.SECOND_YEAR].Add(previousStartY);
}
else if (topCourse.year == 1)
{
if (topCourse.sem == 1)
{
previousStartX = year1StartXLocation1;
}
else if (topCourse.sem == 2)
{
previousStartX = year1StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year1StartXLocation0;
}
for (int i = 0; isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.FIRST_YEAR]) == true; i++)
{
previousStartY += topCourse.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.FIRST_YEAR].Add(previousStartY);
}
coursePathCanvas.Children.Add(topCourse.courseButton);
Canvas.SetLeft(topCourse.courseButton, previousStartX);
Canvas.SetTop(topCourse.courseButton, previousStartY);
listOfTopCourses.Add(topCourse);
}
else
{
previousStartX = Canvas.GetLeft(existingCourse.courseButton);
previousStartY = Canvas.GetTop(existingCourse.courseButton);
}
topCourse.programmeWindow = this;
Rect topcourseButtonRect = Utilities.GetRectOfObject(topCourse.courseButton);
Point relativePointEllipse2Left = new Point(previousStartX, previousStartY + (topcourseButtonRect.Height / 2));
Point relativePointEllipse2Right = new Point(previousStartX + (topcourseButtonRect.Width), previousStartY + (topcourseButtonRect.Height / 2));
// Populating the course path
//
List <Course> courses = DatabaseConnection.getPrerequisiteCourses(topCourse.id);
Line[] connector = new Line[courses.Count];
for (int i = 0; i < courses.Count; i++)
{
Course course = courses.ElementAt(i);
course.setType(getCourseType(course));
previousStartY = CommonInternals.COURSE_BUTTON_LEFT_GAP;
Course existingCourse2 = getCourseFromCanvas(course);
if (existingCourse2 == null)
{
if (course.year == 4)
{
// Set the X location
//
if (course.sem == 1)
{
previousStartX = year4StartXLocation1;
}
else if (course.sem == 2)
{
previousStartX = year4StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year4StartXLocation0;
}
// Move new courses to the end of the list - descending
//
while (isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.FOURTH_YEAR]))
{
previousStartY += course.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.FOURTH_YEAR].Add(previousStartY);
}
else if (course.year == 3)
{
if (course.sem == 1)
{
previousStartX = year3StartXLocation1;
}
else if (course.sem == 2)
{
previousStartX = year3StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year3StartXLocation0;
}
// Move new courses to the end of the list - descending
//
while (isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.THIRD_YEAR]))
{
previousStartY += course.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.THIRD_YEAR].Add(previousStartY);
}
else if (course.year == 2)
{
if (course.sem == 1)
{
previousStartX = year2StartXLocation1;
}
else if (course.sem == 2)
{
previousStartX = year2StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year2StartXLocation0;
}
// Move new courses to the end of the list - descending
//
while (isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.SECOND_YEAR]))
{
previousStartY += course.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.SECOND_YEAR].Add(previousStartY);
}
else if (course.year == 1)
{
if (course.sem == 1)
{
previousStartX = year1StartXLocation1;
}
else if (course.sem == 2)
{
previousStartX = year1StartXLocation2;
}
else
{
// Course can be taken in any semester - place this in the center
//
previousStartX = year1StartXLocation0;;
}
// Move new courses to the end of the list - descending
//
while (isCoursePointYExist(previousStartY, collectionOflistOfY[(int)CommonInternals.CourseYear.FIRST_YEAR]))
{
previousStartY += course.courseButton.Height + CommonInternals.COURSE_BUTTON_LEFT_GAP;
}
collectionOflistOfY[(int)CommonInternals.CourseYear.FIRST_YEAR].Add(previousStartY);
}
coursePathCanvas.Children.Add(course.courseButton);
Canvas.SetLeft(course.courseButton, previousStartX);
Canvas.SetTop(course.courseButton, previousStartY);
course.programmeWindow = this;
listOfTopCourses.Add(course);
}
else
{
previousStartX = Canvas.GetLeft(existingCourse2.courseButton);
previousStartY = Canvas.GetTop(existingCourse2.courseButton);
course = existingCourse2;
}
// Sets the location where to start drawing the Line connecting the courses
//
Point relativePointEllipse1 = new Point(previousStartX + (topcourseButtonRect.Width), previousStartY + (topcourseButtonRect.Height / 2));
// For now, we do not need to create a course connecting line of both courses are in the same year.
//
if (topCourse.year != course.year)
{
var points = Utilities.CreateLineWithArrowPointCollection(new Point(relativePointEllipse1.X, relativePointEllipse1.Y),
new Point(relativePointEllipse2Left.X, relativePointEllipse2Left.Y),
1.25);
var polygon = new Polygon();
polygon.Points = points;
polygon.Fill = Brushes.Black;
coursePathCanvas.Children.Add(polygon);
}
/*else
* {
* // This is when the pre-requisite course is within the same year level as the target course
* //
* var courseConnectorePolyline = new Polyline();
* courseConnectorePolyline.Stroke = Brushes.Black;
* courseConnectorePolyline.StrokeThickness = 1;
*
* PointCollection polygonPoints = new PointCollection();
*
* if(course.sem == 1)
* {
* // 3 points for pre-req which is in the previous sem
* //
* Point[] points = new Point[3];
*
* points[0] = new Point(relativePointEllipse1.X, relativePointEllipse1.Y);
* points[1] = new Point(relativePointEllipse1.X + (course.courseButton.Width / 4) - 25, relativePointEllipse1.Y);
* points[2] = new Point(Canvas.GetLeft(topCourse.courseButton) + (topCourse.courseButton.Width / 2), Canvas.GetTop(topCourse.courseButton) + topCourse.courseButton.Height);
* //points[3] = new Point(Canvas.GetLeft(topCourse.courseButton) + topCourse.courseButton.Width, Canvas.GetTop(topCourse.courseButton) + (topCourse.courseButton.Height/2));
*
* polygonPoints.Add(points[0]);
* polygonPoints.Add(points[1]);
* polygonPoints.Add(points[2]);
* //polygonPoints.Add(points[3]);
* }
* else if (course.sem == 2)
* {
* // 4 points for pre-req which is in the previous sem
* //
* Point[] points = new Point[2];
*
* points[0] = new Point(previousStartX + (course.courseButton.Width / 2), previousStartY + topcourseButtonRect.Height);
* points[1] = new Point(relativePointEllipse1.X + (topCourse.courseButton.Width / 2), relativePointEllipse1.Y);
* polygonPoints.Add(points[0]);
* polygonPoints.Add(points[1]);
* }
*
* courseConnectorePolyline.Points = polygonPoints;
*
* coursePathCanvas.Children.Add(courseConnectorePolyline);
* }
*/
}
}
}
