private CustomRecurrenceTask GetRecurrence(IGanttTask task, int index)
{
CustomRecurrenceTask taskToReturn = null;
var recurrenceTask = task as CustomRecurrenceTask;
if (recurrenceTask != null && recurrenceTask.RecurrenceRule != null)
{
var start = new DateTime(recurrenceTask.RecurrenceRule.Start.Ticks + index * recurrenceTask.RecurrenceRule.Interval.Ticks);
var end = start + (recurrenceTask.End - recurrenceTask.Start);
taskToReturn = new CustomRecurrenceTask(start, end, "recurrence " + (index + 1).ToString());
}
return taskToReturn;
}
private CustomRecurrenceTask GetRecurrence(IGanttTask task, int index)
{
CustomRecurrenceTask taskToReturn = null;
var recurrenceTask = task as CustomRecurrenceTask;
if (recurrenceTask != null && recurrenceTask.RecurrenceRule != null)
{
var start = new DateTime(recurrenceTask.RecurrenceRule.Start.Ticks + index * recurrenceTask.RecurrenceRule.Interval.Ticks);
var end = start + (recurrenceTask.End - recurrenceTask.Start);
taskToReturn = new CustomRecurrenceTask(start, end, "recurrence " + (index + 1).ToString());
}
return(taskToReturn);
}
public IDependency AddDependency(IGanttTask fromTask, DependencyType type)
{
var dependency = new Dependency() { FromTask = fromTask, Type = type };
this.Dependencies.Add(dependency);
return dependency;
}
private static void RemoveChild(IList<IGanttTask> items, IGanttTask targetTask)
{
for (var i = 0; i < items.Count; i++)
{
if (items[i] == targetTask)
{
items.RemoveAt(i);
break;
}
else
{
RemoveChild((items[i] as GanttTask).Children, targetTask);
}
}
}
private static IEnumerable<IGanttTask> GetAllChildren(IGanttTask task)
{
return Telerik.Windows.Core.EnumerableExtensions.Append(task.Children.OfType<IGanttTask>(), task.Children.OfType<IGanttTask>().SelectMany(GetAllChildren));
}
private static void RemoveRelations(IList<IGanttTask> tasks, IGanttTask targetItem)
{
foreach (var child in tasks.OfType<GanttTask>())
{
var relationsToRemove = child.Dependencies.OfType<IDependency>().Where(rel => rel.FromTask == targetItem).ToList();
foreach (var rel in relationsToRemove)
{
child.Dependencies.Remove(rel);
}
RemoveRelations(child.Children, targetItem);
}
}
public static GanttTask FindParent(IList<IGanttTask> items, IGanttTask task)
{
GanttTask parent = null;
foreach (GanttTask item in items)
{
if (!item.IsSummary)
{
break;
}
if (item.Children.Contains(task))
{
parent = item;
break;
}
else
{
parent = FindParent(item.Children, task);
}
}
return parent;
}