private void OnHoveredItemChanged(object sender, HoveredItemChangedEventArgs e)
{
// first remove previous highlights
graphControl.HighlightIndicatorManager.ClearHighlights();
// then see where we are hovering over, now
var newItem = e.Item;
if (newItem != null)
{
// we highlight the item itself
var node = newItem as INode;
var edge = newItem as IEdge;
if (node != null && aggregationHelper.IsOriginalNodeOrPlaceHolder(node))
{
AddHighlight(node);
// and if it's a node, we highlight all adjacent edges, too
foreach (var adjacentEdge in graphControl.Graph.EdgesAt(node))
{
if (aggregationHelper.IsHierarchyEdge(adjacentEdge))
{
continue;
}
AddHighlight(adjacentEdge);
AddHighlight((INode)adjacentEdge.Opposite(node));
}
}
else if (edge != null && !aggregationHelper.IsHierarchyEdge(edge))
{
AddHighlight(edge);
// if it's an edge - we highlight the adjacent nodes
AddHighlight(edge.GetSourceNode());
AddHighlight(edge.GetTargetNode());
}
}
}
private void OnHoveredItemChanged(object sender, HoveredItemChangedEventArgs e)
{
// we use the highlight manager of the GraphComponent to highlight related items
var manager = graphControl.HighlightIndicatorManager;
// first remove previous highlights
manager.ClearHighlights();
// then see where we are hovering over, now
var newItem = e.Item;
if (newItem != null)
{
// we highlight the item itself
manager.AddHighlight(newItem);
var node = newItem as INode;
var edge = newItem as IEdge;
if (node != null)
{
// and if it's a node, we highlight all adjacent edges, too
foreach (var adjacentEdge in graphControl.Graph.EdgesAt(node))
{
manager.AddHighlight(adjacentEdge);
}
}
else if (edge != null)
{
// if it's an edge - we highlight the adjacent nodes
manager.AddHighlight(edge.GetSourceNode());
manager.AddHighlight(edge.GetTargetNode());
}
}
}
