private void UpdateHighlightState(FilledFragment fragment, bool highlighted)
{
var res = App.Current.Res;
var flow = Chunk.Flow;
var selLayer = fragment.View.SelectionLayer;
var highlight = selLayer.HighlightFragment;
if (highlighted)
{
selLayer.CurrentlyHighlightedFragment = fragment;
highlight.Polgyons = fragment.Polgyons;
if (flow == TrafficFlow.Inbound)
{
highlight.Brush = res.InboundSelectedFlowBrush;
highlight.Pen = res.InboundFlowPen;
}
if (flow == TrafficFlow.Outbound)
{
highlight.Brush = res.OutboundSelectedFlowBrush;
highlight.Pen = res.OutboundFlowPen;
}
}
else
{
if (selLayer.CurrentlyHighlightedFragment == fragment)
{
selLayer.CurrentlyHighlightedFragment = null;
highlight.Polgyons = null;
}
}
selLayer.ArrangeViewport();
}
private void CreateBackgroundFragment(Point start, Point end, double snappedWidth)
{
if (Chunk.Flow != TrafficFlow.Undefined)
{
var fragment = new FilledFragment(start, end, ViewContent.LineHeight, snappedWidth)
{
Source = this
};
fragment.MouseEnter = () => UpdateHighlightState(fragment, true);
fragment.MouseLeave = () => UpdateHighlightState(fragment, false);
if (Chunk.Flow == TrafficFlow.Inbound)
{
fragment.Brush = App.Current.Res.InboundFlowBrush;
}
if (Chunk.Flow == TrafficFlow.Outbound)
{
fragment.Brush = App.Current.Res.OutboundFlowBrush;
}
ViewContent.BackgroundLayer.Add(fragment);
}
}
