internal ConnectorElement(NodeElement parent): base(new Rectangle(0, 0, 0, 0))
{
parentElement = parent;
borderColor = Color.Black;
fillColor1 = Color.LightGray;
fillColor2 = Color.Empty;
}
public ElementConnectEventArgs(NodeElement node1, NodeElement node2, BaseLinkElement link)
{
this.node1 = node1;
this.node2 = node2;
this.link = link;
}
private void UpdateLinkPosition(NodeElement node)
{
foreach(ConnectorElement conn in node.Connectors)
{
foreach (BaseElement el in conn.Links)
{
BaseLinkElement lnk = (BaseLinkElement) el;
IController ctrl = ((IControllable) lnk).GetController();
if (ctrl is IMoveController)
{
IMoveController mctrl = (IMoveController) ctrl;
if (!mctrl.IsMoving) lnk.NeedCalcLink = true;
}
else lnk.NeedCalcLink = true;
if (lnk is ILabelElement)
{
LabelElement label = ((ILabelElement) lnk).Label;
ILabelController lblCtrl = ControllerHelper.GetLabelController(lnk);
if (lblCtrl != null)
lblCtrl.SetLabelPosition();
else
{
label.PositionBySite(lnk);
}
label.Invalidate();
}
}
}
}
public BaseElement FindElement(Point point)
{
BaseElement el;
if ((elements != null) && (elements.Count > 0))
{
// First, find elements
for (int i = elements.Count - 1; i >= 0; i--)
{
el = elements[i];
if (el is BaseLinkElement || el is LabelElement || el is RectangleGroup)
{
continue;
}
//Find element in a Connector array
if (el is NodeElement)
{
NodeElement nel = (NodeElement)el;
foreach (ConnectorElement cel in nel.Connectors)
{
IController ctrl = ((IControllable)cel).GetController();
if (ctrl.HitTest(point))
{
return(cel);
}
}
}
//Find element in a Container Element
if (el is IContainer)
{
BaseElement inner = FindInnerElement((IContainer)el, point);
if (inner != null)
{
return(inner);
}
}
//Find element by hit test
if (el is IControllable)
{
IController ctrl = ((IControllable)el).GetController();
if (ctrl.HitTest(point))
{
return(el);
}
}
}
// Then, find links
for (int i = elements.Count - 1; i >= 0; i--)
{
el = elements[i];
if (!(el is BaseLinkElement))
{
continue;
}
if (el is IControllable)
{
IController ctrl = ((IControllable)el).GetController();
if (ctrl.HitTest(point))
{
return(el);
}
}
}
for (int i = elements.Count - 1; i >= 0; i--)
{
el = elements[i];
if (!(el is RectangleGroup))
{
continue;
}
if (el is IControllable)
{
IController ctrl = ((IControllable)el).GetController();
if (ctrl.HitTest(point))
{
return(el);
}
}
}
}
return(null);
}