protected override bool CanStartResize(SchedulingResizeState state)
{
if (!base.CanStartResize(state))
{
return false;
}
var task = state.ResizedItem as GanttTask;
var now = DateTime.Now;
if (!this.AllowModificationsInThePast && (!state.IsResizeFromEnd && task.Start <= now || state.IsResizeFromEnd && task.End <= now))
{
return false;
}
if (task.IsMilestone)
{
return this.CanResizeMilestones;
}
if (task.IsSummary)
{
return this.CanResizeSummaries;
}
return this.CanResizeTasks;
}
protected override bool CanStartResize(SchedulingResizeState state)
{
if (!base.CanStartResize(state))
{
return false;
}
return !((LockingTask)state.ResizedItem).IsResizeLocked;
}
protected override void Resize(SchedulingResizeState state)
{
if (state.IsResizeFromEnd)
{
state.DestinationSlot.End = SnappingHelper.RoundUpDateTime(state.DestinationSlot.End);
}
else
{
state.DestinationSlot.Start = SnappingHelper.RoundUpDateTime(state.DestinationSlot.Start);
}
base.Resize(state);
}
protected override void Resize(SchedulingResizeState state)
{
if (state.IsResizeFromEnd)
{
state.DestinationSlot.End = SnappingHelper.RoundUpDateTime(state.DestinationSlot.End);
}
else
{
state.DestinationSlot.Start = SnappingHelper.RoundUpDateTime(state.DestinationSlot.Start);
}
base.Resize(state);
}
protected override bool CanResize(SchedulingResizeState state)
{
var now = DateTime.Now;
if (base.CanResize(state) &&
(this.AllowModificationsInThePast ||
!state.IsResizeFromEnd && state.DestinationSlot.Start > now ||
state.IsResizeFromEnd && state.DestinationSlot.End > now))
{
if (this.SnapToDates)
{
if (state.IsResizeFromEnd)
{
var difference = state.DestinationSlot.End - state.DestinationSlot.End.Date;
state.DestinationSlot.End = state.DestinationSlot.End.Date + TimeSpan.FromDays(Math.Round(difference.TotalDays));
}
else
{
var difference = state.DestinationSlot.Start - state.DestinationSlot.Start.Date;
state.DestinationSlot.Start = state.DestinationSlot.Start.Date + TimeSpan.FromDays(Math.Round(difference.TotalDays));
}
}
return true;
}
return false;
}
protected override bool CanResize(SchedulingResizeState state)
{
return false;
}
