/// <summary>
/// Finds node and/or edge hit by the given point</summary>
/// <param name="graph">Graph to test</param>
/// <param name="priorityEdge">Graph edge to test before others</param>
/// <param name="p">Point to test</param>
/// <param name="g">Graphics object</param>
/// <returns>Hit record containing node and/or edge hit by the given point</returns>
public override GraphHitRecord <TElement, TWire, TPin> Pick(
IGraph <TElement, TWire, TPin> graph, TWire priorityEdge, PointF p, D2dGraphics g)
{
var hitRecord = base.Pick(graph, priorityEdge, p, g);
if (hitRecord.Node != null || hitRecord.Edge != null || hitRecord.Part != null)
{
return(hitRecord);
}
// check whether hits virtual parts of group pin
var group = graph.Cast <ICircuitGroupType <TElement, TWire, TPin> >();
foreach (var pin in group.Inputs.Concat(group.Info.HiddenInputPins))
{
var grpPin = pin.Cast <ICircuitGroupPin <TElement> >();
// check whether hit the thumbtack of a floating pin
var pinRect = GetThumbtackRect(grpPin, true);
if (pinRect.Contains(p))
{
var pinPart = new DiagramPin(pinRect);
return(new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, pinPart));
}
// check whether hit the visibility check(eye icon)
var eyeRect = GetVisibilityCheckRect(grpPin, true);
if (eyeRect.Contains(p))
{
var eyePart = new DiagramVisibilityCheck(eyeRect);
return(new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, eyePart));
}
// check whether hit the floating pin label-part
PointF grpPos = GetGroupPinLocation(grpPin, true);
RectangleF bounds = new RectangleF(grpPos.X, grpPos.Y, CircuitGroupPinInfo.FloatingPinBoxWidth, CircuitGroupPinInfo.FloatingPinBoxHeight);
SizeF nameSize = g.MeasureText(grpPin.Name, Theme.TextFormat);
RectangleF labelBounds = new RectangleF(bounds.Left, bounds.Bottom + Theme.PinMargin, (int)nameSize.Width, Theme.RowSpacing);
//labelBounds = GdiUtil.Transform(g.Transform, labelBounds);
var labelPart = new DiagramLabel(
new Rectangle((int)labelBounds.Left, (int)labelBounds.Top, (int)labelBounds.Width, (int)labelBounds.Height),
TextFormatFlags.SingleLine | TextFormatFlags.Left);
if (labelBounds.Contains(p))
{
return(new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, labelPart));
}
// check whether hit the floating pin node
if (bounds.Contains(p))
{
var result = new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, null);
result.DefaultPart = labelPart;
return(result);
}
}
foreach (var pin in group.Outputs.Concat(group.Info.HiddenOutputPins))
{
var grpPin = pin.Cast <ICircuitGroupPin <TElement> >();
// check whether hit the thumbtack of a floating pin
var pinRect = GetThumbtackRect(grpPin, false);
if (pinRect.Contains(p))
{
var pinPart = new DiagramPin(pinRect);
return(new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, pinPart));
}
// check whether hit the visibility check(eye icon)
var eyeRect = GetVisibilityCheckRect(grpPin, false);
if (eyeRect.Contains(p))
{
var eyePart = new DiagramVisibilityCheck(eyeRect);
return(new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, eyePart));
}
// check whether hit the floating pin label-part
PointF grpPos = GetGroupPinLocation(grpPin, false);
RectangleF bounds = new RectangleF(grpPos.X, grpPos.Y, CircuitGroupPinInfo.FloatingPinBoxWidth, CircuitGroupPinInfo.FloatingPinBoxHeight);
SizeF nameSize = g.MeasureText(grpPin.Name, Theme.TextFormat);
RectangleF labelBounds = new RectangleF(bounds.Right - (int)nameSize.Width, bounds.Bottom + Theme.PinMargin, (int)nameSize.Width, Theme.RowSpacing);
//labelBounds = GdiUtil.Transform(g.Transform, labelBounds);
var labelPart = new DiagramLabel(
new Rectangle((int)labelBounds.Left, (int)labelBounds.Top, (int)labelBounds.Width, (int)labelBounds.Height),
TextFormatFlags.SingleLine | TextFormatFlags.Right);
if (labelBounds.Contains(p))
{
return(new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, labelPart));
}
// check whether hit the floating pin node
if (bounds.Contains(p))
{
var result = new GraphHitRecord <TElement, TWire, TPin>((TPin)grpPin, null);
result.DefaultPart = labelPart;
return(result);
}
}
return(hitRecord);
}
public IEnumerator <TOuter> GetEnumerator()
{
return(_graph.Cast <TOuter>().GetEnumerator());
}