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 void Start(Point mousePoint, Document document, OnElementMovingDelegate onElementMovingDelegate)
{
this.document = document;
this.onElementMovingDelegate = onElementMovingDelegate;
// Get Controllers
moveCtrl = new IMoveController[document.SelectedElements.Count];
IMoveController[] moveLabelCtrl = new IMoveController[document.SelectedElements.Count];
for (int i = document.SelectedElements.Count - 1; i >= 0; i--)
{
moveCtrl[i] = ControllerHelper.GetMoveController(document.SelectedElements[i]);
if ((moveCtrl[i] != null) && (moveCtrl[i].CanMove))
{
onElementMovingDelegate(new ElementEventArgs(document.SelectedElements[i]));
moveCtrl[i].Start(mousePoint);
//ILabelElement - Move Label inside the element
if ((document.SelectedElements[i] is ILabelElement) &&
(ControllerHelper.GetLabelController(document.SelectedElements[i]) == null))
{
LabelElement label = ((ILabelElement)document.SelectedElements[i]).Label;
moveLabelCtrl[i] = ControllerHelper.GetMoveController(label);
if ((moveLabelCtrl[i] != null) && (moveLabelCtrl[i].CanMove))
{
moveLabelCtrl[i].Start(mousePoint);
}
else
{
moveLabelCtrl[i] = null;
}
}
}
else
{
moveCtrl[i] = null;
}
}
moveCtrl = (IMoveController[])DiagramUtil.ArrayHelper.Append(moveCtrl, moveLabelCtrl);
moveCtrl = (IMoveController[])DiagramUtil.ArrayHelper.Shrink(moveCtrl, null);
// Can't move only links
bool isOnlyLink = true;
foreach (IMoveController ctrl in moveCtrl)
{
// Verify
if (ctrl != null)
{
ctrl.OwnerElement.Invalidate();
if (!(ctrl.OwnerElement is BaseLinkElement) && !(ctrl.OwnerElement is LabelElement))
{
isOnlyLink = false;
break;
}
}
}
if (isOnlyLink)
{
//End Move the Links
foreach (IMoveController ctrl in moveCtrl)
{
if (ctrl != null)
{
ctrl.End();
}
}
moveCtrl = new IMoveController[] { null };
}
//Upper selecion point controller
UpdateUpperSelectionPoint();
upperSelPointDragOffset.X = upperSelPoint.X - mousePoint.X;
upperSelPointDragOffset.Y = upperSelPoint.Y - mousePoint.Y;
isMoving = true;
}
