protected override System.Windows.Size MeasureOverride(System.Windows.Size availableSize)
{
PanelHelper helper = new PanelHelper(availableSize.Height);
foreach (UIElement child in Children)
{
child.Measure(availableSize);
helper.PlaceControl(child);
}
return(helper.DesiredSize);
}
/// <summary>
/// Enables the dropping of OUs or MonitoredSystems inside the hierarchy.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
//private void DropHandler(object sender, DragEventArgs e)
//{
// try
// {
// // Tuple: bool isOU, int ID/ouID, int ouID/parentID
// Tuple<bool, int, int> oldValues = (Tuple<bool, int, int>)e.Data.GetData(typeof(Tuple<bool, int, int>));
// // dropping a OU
// if (oldValues.Item1 == true)
// {
// // find out which element was hit
// var result = VisualTreeHelper.HitTest(this, e.GetPosition(sender as UIElement));
// DependencyObject parent = result.VisualHit;
// while (parent != null && !(parent.GetType().Equals(typeof(ExtendedTreeViewItem))))
// {
// parent = VisualTreeHelper.GetParent(parent);
// }
// // find the corresponding monitored system
// if (parent != null)
// {
// var monitoredSystem = (parent as ExtendedTreeViewItem).DataContext as MonitoredSystem;
// // move the monitored System
// if (monitoredSystem != null)
// {
// // check if the old and new OU are different
// if (!oldValues.Item3.Equals(monitoredSystem.OuID))
// {
// foreach (OrganizationalUnit current in DataModel.Instance.GetOrganizationalUnits(DataModel.Instance.Elements))
// {
// if (current.ID.Equals(oldValues.Item3))
// {
// current.ParentID = monitoredSystem.OuID;
// }
// }
// }
// LayoutManager.Instance.MoveBefore(oldValues.Item3, monitoredSystem.ID, true);
// e.Handled = true;
// }
// else
// {
// // find out the OUID of this panel
// int OUID = -1;
// foreach (UIElement child in Children)
// {
// if (child.GetType().Equals(typeof(Tile)))
// {
// OUID = (child as Tile).MonitoredSystem.OuID;
// break;
// }
// }
// // check if the old and new OU are different
// if (OUID != -1 && !oldValues.Item3.Equals(OUID))
// {
// foreach (OrganizationalUnit current in DataModel.Instance.GetOrganizationalUnits(DataModel.Instance.Elements))
// {
// if (current.ID.Equals(oldValues.Item3))
// {
// current.ParentID = OUID;
// e.Handled = true;
// }
// }
// }
// }
// }
// }
// // dropping an MonitoredSystem
// else
// {
// // find out which element was hit
// var result = VisualTreeHelper.HitTest(this, e.GetPosition(sender as UIElement));
// DependencyObject parent = result.VisualHit;
// while (parent != null && !(parent.GetType().Equals(typeof(ExtendedTreeViewItem))))
// {
// parent = VisualTreeHelper.GetParent(parent);
// }
// // find the corresponding monitored system
// if (parent != null)
// {
// var monitoredSystem = (parent as TreeViewItem).DataContext as MonitoredSystem;
// // check if the OU has changed as well
// if (monitoredSystem != null && !oldValues.Item3.Equals(monitoredSystem.OuID))
// {
// foreach (MonitoredSystem current in DataModel.Instance.GetMonitoredSystems(DataModel.Instance.Elements))
// {
// if (current.ID.Equals(oldValues.Item2))
// {
// current.OuID = monitoredSystem.OuID;
// }
// }
// }
// // move the monitored System
// if (monitoredSystem != null)
// {
// LayoutManager.Instance.MoveBefore(oldValues.Item2, monitoredSystem.ID, false);
// e.Handled = true;
// }
// }
// }
// }
// catch (Exception ex)
// {
// Console.WriteLine("EXCEPTION: SpaceFillingPanel_DropHandler: " + ex.ToString());
// }
//}
protected override System.Windows.Size ArrangeOverride(System.Windows.Size finalSize)
{
PanelHelper helper = new PanelHelper(finalSize.Height);
foreach (UIElement child in Children)
{
var offsetBefore = VisualTreeHelper.GetOffset(child);
child.Arrange(helper.PlaceControl(child));
var offsetAfter = VisualTreeHelper.GetOffset(child);
TranslateTransform transform = new TranslateTransform();
child.RenderTransform = transform;
DoubleAnimation animation = new DoubleAnimation(offsetBefore.X - offsetAfter.X, 0, new Duration(new TimeSpan(0, 0, 0, 0, 800)));
animation.EasingFunction = new ExponentialEase()
{
EasingMode = System.Windows.Media.Animation.EasingMode.EaseOut
};
animation.AccelerationRatio = 0;
animation.DecelerationRatio = 1;
transform.BeginAnimation(TranslateTransform.XProperty, animation);
DoubleAnimation animationY = new DoubleAnimation(offsetBefore.Y - offsetAfter.Y, 0, new Duration(new TimeSpan(0, 0, 0, 0, 800)));
animationY.EasingFunction = new ExponentialEase()
{
EasingMode = System.Windows.Media.Animation.EasingMode.EaseOut
};
animationY.AccelerationRatio = 0;
animationY.DecelerationRatio = 1;
transform.BeginAnimation(TranslateTransform.YProperty, animationY);
}
return(finalSize);
}