/* Called when the submit button is clicked. Initiliazes some data and starts the schedule
* generation process.
*/
private void btnSubmit_Click(object sender, RoutedEventArgs e)
{
//Clear all of the generated tabs
tabBase.SelectedIndex = 0;
for (int tabIter = (tabBase.Items.Count-1); tabIter > 1; tabIter--)
{
tabBase.Items.RemoveAt(tabIter);
}
totalClassCount = lstFinalClasses.Items.Count;
currentClassRunning = 0;
possibleSections = new List<ClassSection>(); //All of the possible courses
confirmedSections = new List<List<ClassSection>>();
progress.Value = 0; //Reset the progress bar
tabCount = 0; //Reset the tab numberings.
secondsRemaining = 0; //Reset timeleft
sectionsInGrid = new Dictionary<Grid, List<ClassSection>>(); //Reset the grid dictionary
//Start finding bitstrings in the background
BackgroundWorker bitstringworker = new BackgroundWorker();
bitstringworker.WorkerSupportsCancellation = false;
bitstringworker.WorkerReportsProgress = true;
bitstringworker.DoWork += new DoWorkEventHandler(generateAllBitStrings);
bitstringworker.ProgressChanged += new ProgressChangedEventHandler(reportProgress);
//Count how many courses there are so we know how many bitstrings to generate
int totalCourses = 0;
const int MAXCOURSES = 23;
Random randomGen = new Random();
foreach (DepartmentClass finalClass in lstFinalClasses.Items)
{
//Random number of courses to pick from:
// Take max courses. Remove the courses we have already. Make sure one section is leftover for the last class.
int randomNumberOfSectionsFromThisClass = 0;
if (finalClass != lstFinalClasses.Items.Last())
{
randomNumberOfSectionsFromThisClass = (int)Math.Round(randomGen.NextDouble() * (MAXCOURSES - totalCourses - 1));
}
else
{
randomNumberOfSectionsFromThisClass = MAXCOURSES - totalCourses;
}
foreach (ClassSection section in finalClass.sections)
{
//If course is not in exlusions
if (!section.excluded)
{
//temporary crappy code to fill in the parent class information for sections
section.parentClass = finalClass.ToString();
//end temporary crappy code
}
}
List<ClassSection> possible = pickSections(finalClass, randomNumberOfSectionsFromThisClass, randomGen);
MyStopwatch timeout = new MyStopwatch();
timeout.start();
while (!allLinksPresent(possible) && !ignoreLinks)
{
if (!limitRandom)
{
YesNoPopup popupLinkRemoved = new YesNoPopup("You have excluded a linked section in " + possible[0].parentClass + ".\nWould you like to exclude the sections that require it?");
popupLinkRemoved.show();
popupLinkRemoved.onYes =
delegate
{
removeMissingLinks(possible);
btnSubmit_Click(sender, e);
};
popupLinkRemoved.onNo =
delegate
{
ignoreLinks = true;
btnSubmit_Click(sender, e);
};
return;
}
possible = pickSections(finalClass, randomNumberOfSectionsFromThisClass);
// After 2 seconds, just try submitting again in case there's a situation where
// there's not enough random sections to pick all the links. IE: 3 linked, but only allowed 2
if (timeout.stop() > 2000)
{
btnSubmit_Click(sender, e);
return;
}
//Slow down the repetitions - gives a little more randomness.
Thread.Sleep(100);
}
totalCourses += possible.Count;
foreach (ClassSection section in possible)
{
possibleSections.Add(section);
}
}
if (totalCourses < 1)
{
InfoPopup popupNoCourses = new InfoPopup("There are 0 sections included!");
popupNoCourses.show();
}
//Start counting down.
counterDown = new BackgroundWorker();
counterDown.WorkerSupportsCancellation = true;
counterDown.WorkerReportsProgress = false;
counterDown.DoWork += new DoWorkEventHandler(decreaseTimeRemaining);
counterDown.RunWorkerAsync();
//Start generating bitstrings in background
bitstringworker.RunWorkerAsync("" + totalCourses);
//Disable the submit button while we're generating.
btnSubmit.IsEnabled = false;
//Reset link ignore
ignoreLinks = false;
}
/* Called when the bitstring worker reports progress.
* Should update the GUI to reflect schedules that work
*/
private void reportProgress(object sender, ProgressChangedEventArgs e)
{
if (e.ProgressPercentage == 100)
{
btnSubmit.IsEnabled = true; //Reenable the submit button now that we're (mostly) done.
tabBase.Items.Add(tabResults);
lblResultCount.Content = "You have " + confirmedSections.Count + " results!";
lblResultCount.FontSize = 17.0;
tabResults.Visibility = System.Windows.Visibility.Visible;
cResultStart.Items.Clear();
for (int i = 0; i < confirmedSections.Count; i++)
{
cResultStart.Items.Add(i + 1);
}
cResultStart.SelectedIndex = 0;
if (confirmedSections.Count < 1)
{
InfoPopup popupNoResults = new InfoPopup("No results!");
popupNoResults.show();
return;
}
}
if (e.UserState == null) return; //Only draw results when the view button is clicked
tabBase.SelectedIndex = 2;
for (int tabIter = (tabBase.Items.Count - 1); tabIter > 2; tabIter--)
{
tabBase.Items.RemoveAt(tabIter);
}
Tuple<int, int> range = (Tuple<int, int>)e.UserState;
if (range.Item2 > confirmedSections.Count) range = new Tuple<int, int>(range.Item1, confirmedSections.Count);
tabCount = range.Item1;
List<List<ClassSection>> reportingList = new List<List<ClassSection>>();
lock (confirmedSections)
{
for (int x = range.Item1; x < range.Item2; x++)
{
List<ClassSection> classGroup = confirmedSections[x];
reportingList.Add(classGroup);
}
}
if (reportingList.Count < 1) return; //If there are no elements, draw nothing.
foreach (List<ClassSection> classGroup in reportingList)
{
//Make a grid and tab
tabCount++;
TabItem tab = new TabItem();
tab.Header = ""+tabCount; //The tab name
Grid grid = new Grid();
//Draw horizontal lines
for (int i = 0; i < 80; i++)
{
Line gridLines = new Line();
gridLines.X1 = 40;
gridLines.X2 = tabBase.ActualWidth - 89;
gridLines.Y1 = 60 + 6.7*i;
gridLines.Y2 = 60 + 6.7*i;
if (i % 3 == 0) gridLines.Stroke = new SolidColorBrush(Colors.DarkGray);
else gridLines.Stroke = new SolidColorBrush(Colors.Transparent);
gridLines.StrokeThickness = 0.5f;
grid.Children.Add(gridLines);
}
//Draw vertical lines
for (int i = 0; i < 6; i++)
{
Line gridLines = new Line();
gridLines.X1 = 40 + ((tabBase.ActualWidth / 6) + .80f) * i;
gridLines.X2 = 40 + ((tabBase.ActualWidth / 6) + .80f) * i;
gridLines.Y1 = 60;
gridLines.Y2 = 583;
gridLines.Stroke = new SolidColorBrush(Colors.DarkGray);
gridLines.StrokeThickness = 0.5f;
grid.Children.Add(gridLines);
}
//Draw each course on the grid
tbaCount = 0;
List<ClassSection> coursesInGroup = new List<ClassSection>();
foreach (ClassSection course in classGroup)
{
drawSchedule(grid, course.startTime, course.endTime, course.days, course.parentClass + "\n" + course.type, course.availability);
coursesInGroup.Add(course);
}
tab.Content = grid;
tabBase.Items.Add(tab);
sectionsInGrid.Add(grid, coursesInGroup);
}
}
