private bool SchedulerCanStartDrag(SchedulerControl source, MouseButtonEventArgs e, ref object dragData)
{
ISchedulerHitInfo hitInfo = SchedulerHitInfo.CreateSchedulerHitInfo(source, e.GetPosition(source));
VisualAppointmentViewInfo vavi = hitInfo.ViewInfo as VisualAppointmentViewInfo;
if (vavi != null)
{
dragData = AppointmentToScheduleTask(((IAppointmentView)vavi).Appointment);
return(dragData != null);
}
return(false);
}
void CurrentScheduler_PreviewMouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
downHitInfo = null;
downHitPoint = Point.Empty;
System.Windows.Point eventPoint = e.GetPosition(CurrentScheduler);
ISchedulerHitInfo hitInfo = SchedulerHitInfo.CreateSchedulerHitInfo(CurrentScheduler, eventPoint);
if (hitInfo.HitTest == DevExpress.XtraScheduler.Drawing.SchedulerHitTest.ResourceHeader)
{
downHitInfo = hitInfo;
downHitPoint = new Point((int)eventPoint.X, (int)eventPoint.Y);
e.Handled = true;
}
}
void CurrentScheduler_PreviewMouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (e.LeftButton == System.Windows.Input.MouseButtonState.Pressed && downHitInfo != null)
{
Size dragSize = System.Windows.Forms.SystemInformation.DragSize;
Rectangle dragRect = new Rectangle(new Point(downHitPoint.X - dragSize.Width / 2, downHitPoint.Y - dragSize.Height / 2), dragSize);
System.Windows.Point eventPoint = e.GetPosition(CurrentScheduler);
if (!dragRect.Contains(new Point((int)eventPoint.X, (int)eventPoint.Y)))
{
System.Windows.DragDrop.DoDragDrop(CurrentScheduler, downHitInfo.ViewInfo.Resource, System.Windows.DragDropEffects.Move);
downHitInfo = null;
downHitPoint = Point.Empty;
}
}
}
public void scheduler_Drop(object sender, DragAndDropEventArgs e)
{
ISchedulerHitInfo hitInfo = SchedulerHitInfo.CreateSchedulerHitInfo(schedulerControl1, e.Location);
VisualSelectableIntervalViewInfo vsivi = hitInfo.ViewInfo as VisualSelectableIntervalViewInfo;
if (vsivi != null)
{
IList dragData = (IList)e.DragData;
for (int i = 0; i < dragData.Count; i++)
{
((IList)gridControl1.ItemsSource).Remove(dragData[i]);
Appointment apt = ScheduleTaskToAppointment(dragData[i] as ScheduleTask);
apt.Start = vsivi.Interval.Start;
schedulerControl1.Storage.AppointmentStorage.Add(apt);
}
}
}
private void SchedulerControl_MouseMove(object sender, MouseEventArgs e)
{
// Obtain hit information under the test point.
Point position = e.GetPosition(schedulerControl1);
ISchedulerHitInfo hitInfo = schedulerControl1.CalcHitInfo(position);
if (hitInfo != null)
{
this.hitResultsHeader.Text = "Hit Test Results";
StringBuilder builder = new StringBuilder();
builder.AppendLine(Enum.GetName(typeof(SchedulerHitTestType), hitInfo.HitTestType));
switch (hitInfo.HitTestType)
{
case SchedulerHitTestType.Appointment:
AppointmentViewModel appViewModel = hitInfo.ViewModel as AppointmentViewModel;
if (appViewModel != null)
{
builder.AppendLine("Subject: " + appViewModel.Appointment.Subject);
builder.AppendLine("Start: " + appViewModel.Appointment.Start.ToString());
builder.AppendLine("End: " + appViewModel.Appointment.End.ToString());
}
break;
case SchedulerHitTestType.Cell:
builder.AppendLine("Interval: " + hitInfo.ViewModel.Interval.ToString());
builder.AppendLine("Selected: " + hitInfo.ViewModel.IsSelected.ToString());
break;
case SchedulerHitTestType.Ruler:
TimeRulerCellViewModel rulerViewModel = hitInfo.ViewModel as TimeRulerCellViewModel;
if (rulerViewModel != null)
{
builder.AppendLine("Time: " + rulerViewModel.Time.ToString());
builder.AppendLine("Time Scale: " + rulerViewModel.TimeScale.ToString());
}
break;
}
this.hitResultsText.Text = builder.ToString();
}
else
{
ClearResults();
}
}
void CurrentScheduler_Drop(object sender, System.Windows.DragEventArgs e)
{
if (downHitInfo == null)
{
return;
}
ISchedulerHitInfo dropHitInfo = SchedulerHitInfo.CreateSchedulerHitInfo(CurrentScheduler, e.GetPosition(CurrentScheduler));
if (dropHitInfo.HitTest == DevExpress.XtraScheduler.Drawing.SchedulerHitTest.ResourceHeader)
{
Resource targetResource = dropHitInfo.ViewInfo.Resource;
Resource sourceResource = downHitInfo.ViewInfo.Resource;
if (targetResource != sourceResource)
{
int sourceResourceSortOrder = Convert.ToInt32(sourceResource.CustomFields[CustomFieldName]);
sourceResource.CustomFields[CustomFieldName] = targetResource.CustomFields[CustomFieldName];
targetResource.CustomFields[CustomFieldName] = sourceResourceSortOrder;
ApplySorting();
}
}
}
