/// <summary>
/// Recalculates the layout if necessary.
/// </summary>
/// <param name="graphics">The graphics object which is used to measure the strings.</param>
internal void UpdateLayout(Graphics graphics)
{
if (_layoutChanged)
{
_layoutChanged = false;
// syncronize layout
List <BehaviorNode> processedBehaviors = new List <BehaviorNode>();
processedBehaviors.Add(_rootNodeLayout.RootBehavior);
_rootNodeLayout.SynchronizeWithNode(processedBehaviors.AsReadOnly());
// calculate the size of each node
_rootNodeLayout.Node.UpdateFinalSize(graphics, _rootNodeLayout.RootBehavior);
_rootNodeLayout.UpdateExtent();
// calculate the total size of the branches
_rootNodeLayout.CalculateLayoutSize(_padding);
// align the branches
_rootNodeLayout.Layout(_padding);
// align the parents at the centre of their children
_rootNodeLayout.UpdateLocation();
}
}
/// <summary>
/// Recalculates the layout if necessary.
/// </summary>
/// <param name="dc">The graphics object which is used to measure the strings.</param>
internal void UpdateLayout(DrawingContext dc)
{
if (_layoutChanged)
{
_layoutChanged = false;
// synchronize layout
ProcessedBehaviors processedBehaviors = new ProcessedBehaviors();
_rootNodeLayout.SynchronizeWithNode(processedBehaviors);
// calculate the size of each node
_rootNodeLayout.UpdateFinalSize(dc, _rootNodeLayout.RootBehavior);
_rootNodeLayout.UpdateExtent();
// calculate the total size of the branches
_rootNodeLayout.CalculateLayoutSize(_padding);
// align the branches
_rootNodeLayout.Layout(_padding);
// align the parents at the centre of their children
_rootNodeLayout.UpdateLocation();
}
}