private void GenerateGanttChart()
{
GanttChartAreaCtrl.ClearGantt();
GanttChartDto ganttChartDto = ViewModel.GanttChartDto;
if (ganttChartDto != null)
{
IList <IDependentActivity <int> > dependentActivities = ganttChartDto.DependentActivities;
IList <ResourceSeriesDto> resourceSeriesSet = ganttChartDto.ResourceSeriesSet;
IList <IResourceSchedule <int> > resourceSchedules = ganttChartDto.ResourceSchedules;
m_DateTimeCalculator.UseBusinessDays(ViewModel.UseBusinessDays);
DateTime projectStart = ViewModel.ProjectStart;
DateTime minDate = DatePicker.SelectedDate ?? projectStart;
DateTime maxDate = minDate.AddDays(DaysSelect.Value.GetValueOrDefault());
GanttChartAreaCtrl.Initialize(minDate, maxDate);
// Create timelines and define how they should be presented.
GanttChartAreaCtrl.CreateTimeLine(new PeriodYearSplitter(minDate, maxDate), FormatYear);
GanttChartAreaCtrl.CreateTimeLine(new PeriodMonthSplitter(minDate, maxDate), FormatMonth);
TimeLine gridLineTimeLine = GanttChartAreaCtrl.CreateTimeLine(new PeriodDaySplitter(minDate, maxDate), FormatDay);
//GanttChartAreaCtrl.CreateTimeLine(new PeriodDaySplitter(minDate, maxDate), FormatDayName);
// Attach gridlines.
GanttChartAreaCtrl.SetGridLinesTimeline(gridLineTimeLine, DetermineBackground);
// Prep formatting helpers.
SlackColorFormatLookup colorFormatLookup = null;
ArrowGraphSettingsDto arrowGraphSettingsDto = ViewModel.ArrowGraphSettingsDto;
if (arrowGraphSettingsDto?.ActivitySeverities != null)
{
colorFormatLookup = new SlackColorFormatLookup(arrowGraphSettingsDto.ActivitySeverities);
}
if (GroupByResource.IsChecked.GetValueOrDefault())
{
BuildGanttChart(dependentActivities, resourceSeriesSet, resourceSchedules, projectStart, colorFormatLookup);
}
else
{
BuildGanttChart(dependentActivities, projectStart, colorFormatLookup);
}
}
}
private GanttTask CreateGanttTask(
DateTime projectStart,
IDependentActivity <int> activity,
SlackColorFormatLookup colorFormatLookup)
{
Color background = colorFormatLookup?.FindSlackColor(activity.TotalSlack) ?? Colors.DodgerBlue;
return(new GanttTask
{
Start = m_DateTimeCalculator.AddDays(projectStart, activity.EarliestStartTime.Value),
End = m_DateTimeCalculator.AddDays(projectStart, activity.EarliestFinishTime.Value),
Name = activity.Name,
BackgroundColor = new SolidColorBrush(background),
ForegroundColor = new SolidColorBrush(ContrastConvert(background)),
Radius = activity.Duration < 3 ? 0 : 5,
TaskProgressVisibility = Visibility.Collapsed,
});
}
private void BuildGanttChart(
IList <IDependentActivity <int> > dependentActivities,
DateTime projectStart,
SlackColorFormatLookup colorFormatLookup)
{
if (dependentActivities == null)
{
return;
}
foreach (IDependentActivity <int> activity in dependentActivities)
{
GanttRowGroup rowGroup = GanttChartAreaCtrl.CreateGanttRowGroup();
GanttRow row = GanttChartAreaCtrl.CreateGanttRow(rowGroup, activity.Name);
if (activity.EarliestStartTime.HasValue &&
activity.EarliestFinishTime.HasValue)
{
GanttChartAreaCtrl.AddGanttTask(
row,
CreateGanttTask(projectStart, activity, colorFormatLookup));
}
}
}
private void BuildGanttChart(
IList <IDependentActivity <int> > dependentActivities,
IList <ResourceSeriesDto> resourceSeriesSet,
IList <IResourceSchedule <int> > resourceSchedules,
DateTime projectStart,
SlackColorFormatLookup colorFormatLookup)
{
if (dependentActivities == null || resourceSeriesSet == null || resourceSchedules == null)
{
return;
}
IDictionary <int, IDependentActivity <int> > activityLookup = dependentActivities.ToDictionary(x => x.Id);
int spareResourceCount = 1;
for (int resourceIndex = 0; resourceIndex < resourceSchedules.Count; resourceIndex++)
{
IResourceSchedule <int> resourceSchedule = resourceSchedules[resourceIndex];
IList <IScheduledActivity <int> > scheduledActivities = resourceSchedule?.ScheduledActivities;
if (scheduledActivities == null)
{
continue;
}
var stringBuilder = new StringBuilder();
if (resourceSchedule.Resource != null)
{
if (string.IsNullOrWhiteSpace(resourceSchedule.Resource.Name))
{
stringBuilder.Append($@"Resource {resourceSchedule.Resource.Id}");
}
else
{
stringBuilder.Append(resourceSchedule.Resource.Name);
}
}
else
{
stringBuilder.Append($@"Resource {spareResourceCount}");
spareResourceCount++;
}
string resourceName = stringBuilder.ToString();
GanttRowGroup rowGroup = GanttChartAreaCtrl.CreateGanttRowGroup(resourceName);
foreach (IScheduledActivity <int> scheduledctivity in resourceSchedule.ScheduledActivities)
{
if (activityLookup.TryGetValue(scheduledctivity.Id, out IDependentActivity <int> activity))
{
GanttRow row = GanttChartAreaCtrl.CreateGanttRow(rowGroup, activity.Name);
if (activity.EarliestStartTime.HasValue &&
activity.EarliestFinishTime.HasValue)
{
GanttChartAreaCtrl.AddGanttTask(
row,
CreateGanttTask(projectStart, activity, colorFormatLookup));
}
}
}
}
}