public void swapWards(TimeSlot t)
{
if (t.assignedWard != null && this.assignedWard != null) {
//Swapping Timeslots
this.assignedWard.timeslots.Add(t);
this.assignedWard.timeslots.Remove(this);
t.assignedWard.timeslots.Add(this);
t.assignedWard.timeslots.Remove(t);
//Swapping Wards
Ward tempWard = t.assignedWard;
t.assignedWard = this.assignedWard;
this.assignedWard = tempWard;
} else if(t.assignedWard == null) {
t.assignedWard = this.assignedWard;
t.assignedWard.timeslots.Add(t);
this.assignedWard.timeslots.Remove(this);
this.assignedWard = null;
} else if (this.assignedWard == null) {
this.assignedWard = t.assignedWard;
this.assignedWard.timeslots.Add(this);
t.assignedWard.timeslots.Remove(t);
t.assignedWard = null;
}
}
//Adjusting the gaps
internal void adjustGap(int minGap)
{
List<TimeSlot> sorted = this.timeslots.OrderBy(x => x.startTime).ToList();
TimeSpan smallestGap = new TimeSpan();
TimeSlot t1 = new TimeSlot(), t2 = new TimeSlot();
//Computing the smallest gap between dates as well as finding the timeslots around it
for (int i = 0; i < sorted.Count - 1; i++) {
//Computing the span
TimeSpan currentGap = sorted[i + 1].startTime - sorted[i].startTime;
if (i == 0) {
smallestGap = currentGap;
t2 = sorted[i + 1];
t1 = sorted[i];
continue;
}
if (currentGap < smallestGap) {
smallestGap = currentGap;
t2 = sorted[i + 1];
t1 = sorted[i];
}
}
//Swapping until it is in the threshhold
int loops = 0;
//int minGap = 40;
while (true) {
//Swap slots with another ward
List<TimeSlot> tempList = new List<TimeSlot>(t1.sectionList);
tempList.Shuffle();
//Going through each TimeSlot in the same period and looking for the best fit.
//double bestFit;
//TimeSlot bestFitSlot;
foreach (TimeSlot tOther in tempList) {
Ward tOtherWard = tOther.assignedWard;
t1.swapWards(tOther);
//double currentMinSpacing = this.minTimeslotSpacing;
if ((tOtherWard == null || tOtherWard.minTimeslotSpacing > minGap) && this.minTimeslotSpacing > minGap) {
break;
} else
t1.swapWards(tOther);
}
if (this.minTimeslotSpacing < minGap)
minGap--;
else
break;
loops++;
}
}
/// <summary>
/// Generating the available timeslots for the year
/// </summary>
/// <param name="begin"></param>
/// <param name="end"></param>
private void generateTimeSlots(DateTime begin, DateTime end)
{
//Refreshing the interval timeslots dictionaries
timeslots = new List<TimeSlot>();
freetimeslots = new Queue<TimeSlot>();
takentimeslots = new List<TimeSlot>();
weekendtimeslots = new List<TimeSlot>();
weekdaytimeslots = new List<TimeSlot>();
intervalTimeSlots = new Dictionary<int, List<TimeSlot>>();
weekdayIntervalTimeSlots = new Dictionary<int, List<TimeSlot>>();
weekendIntervalTimeSlots = new Dictionary<int, List<TimeSlot>>();
// 1) Find all days that aren't blacked out
List<DateTime> availableDays = new List<DateTime>();
for (DateTime date = begin; date <= end; date = date.AddDays(1)) {
if (date.DayOfWeek == System.DayOfWeek.Monday || date.DayOfWeek == System.DayOfWeek.Sunday || blackoutDates.Contains(date))
continue;
availableDays.Add(date);
}
// 2) Divide up available days into equal intervals
int totalDays = availableDays.Count;
decimal decimalInterval = totalDays / this.numericUpDown1.Value;
int intervalLength = (int)Math.Ceiling(decimalInterval);
int currentSpan = 0;
for (int i = 0; i < this.numericUpDown1.Value; i++) { //Adding a list for each timeslot
this.intervalTimeSlots.Add(i, new List<TimeSlot>());
this.weekdayIntervalTimeSlots.Add(i, new List<TimeSlot>());
this.weekendIntervalTimeSlots.Add(i, new List<TimeSlot>());
}
// 3) Generate Timeslots for each day
//Looping through each date in the range
for (int i = 0; i < availableDays.Count; i++ ){
DateTime date = availableDays[i];
//Determining which span of the year the date belongs to
if (i % intervalLength == 0 && i > 0 && i < (intervalLength * this.numericUpDown1.Value))
currentSpan++;
//Adding TimeSlots for weeks of the days
if (date.DayOfWeek != System.DayOfWeek.Saturday) {
foreach (TimeSpan j in weekdayStartHours) { //Adding Weekday Slots
TimeSlot ts = new TimeSlot(new DateTime(date.Year, date.Month, date.Day, j.Hours, j.Minutes, 0));
timeslots.Add(ts);
weekdaytimeslots.Add(ts);
weekdayIntervalTimeSlots[currentSpan].Add(ts);
intervalTimeSlots[currentSpan].Add(ts);
//ts.sectionList = intervalTimeSlots[currentSpan];
ts.sectionList = weekdayIntervalTimeSlots[currentSpan];
}
} else { //Adding Saturdays
foreach (TimeSpan j in weekendStartHours) { //Adding Weekend Slots
TimeSlot ts = new TimeSlot(new DateTime(date.Year, date.Month, date.Day, j.Hours, j.Minutes, 0));
timeslots.Add(ts);
weekendtimeslots.Add(ts);
weekendIntervalTimeSlots[currentSpan].Add(ts);
intervalTimeSlots[currentSpan].Add(ts);
//ts.sectionList = intervalTimeSlots[currentSpan];
ts.sectionList = weekendIntervalTimeSlots[currentSpan];
}
}
}
List<TimeSlot> asdf = this.timeslots.FindAll(x => x.sectionList == null);
//Adding interval text to the data table
this.listView1.Items.Clear();
int allWeekday = 0;
int allWeekdaysNeeded = 0;
int allSaturdays = 0;
int allSaturdaysNeeded = 0;
int allDays = 0;
int allDaysNeeded = 0;
for (int i = 0; i < intervalTimeSlots.Count; i++) {
ListViewItem lvi = new ListViewItem("Interval " + i);
lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, weekdayIntervalTimeSlots[i].Count.ToString()));
int neededWeekdays = (int)(this.numericUpDownWeekdays.Value*this.wards.Count/this.numericUpDown1.Value);
lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, neededWeekdays.ToString() ));
allWeekday += weekdayIntervalTimeSlots[i].Count;
allWeekdaysNeeded += neededWeekdays;
lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, weekendIntervalTimeSlots[i].Count.ToString()));
int neededSaturdays = (int)(this.numericUpDownWeekends.Value * this.wards.Count / this.numericUpDown1.Value);
lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, neededSaturdays.ToString() ));
allSaturdays += weekendIntervalTimeSlots[i].Count;
allSaturdaysNeeded += neededSaturdays;
int neededTotal = (int)((this.numericUpDownWeekdays.Value + this.numericUpDownWeekends.Value) * this.wards.Count / this.numericUpDown1.Value);
lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, intervalTimeSlots[i].Count.ToString()));
lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, neededTotal.ToString()));
allDays += intervalTimeSlots[i].Count;
allDaysNeeded += neededTotal;
listView1.Items.Add(lvi);
}
//All intervals
ListViewItem tlvi = new ListViewItem("Whole Year");
tlvi.SubItems.Add(new ListViewItem.ListViewSubItem(tlvi, allWeekday.ToString())); //All Weekdays
tlvi.SubItems.Add(new ListViewItem.ListViewSubItem(tlvi, allWeekdaysNeeded.ToString())); //All Weekdays Needed
tlvi.SubItems.Add(new ListViewItem.ListViewSubItem(tlvi, allSaturdays.ToString())); //All Saturdays
tlvi.SubItems.Add(new ListViewItem.ListViewSubItem(tlvi, allSaturdaysNeeded.ToString())); //All Saturdays Needed
tlvi.SubItems.Add(new ListViewItem.ListViewSubItem(tlvi, allDays.ToString())); //Total
tlvi.SubItems.Add(new ListViewItem.ListViewSubItem(tlvi, allDaysNeeded.ToString())); //Total Needed
listView1.Items.Add(tlvi);
}
