public RadElement GetElementAtPoint(
RadElement parent,
Point point,
List<RadElement> foundElements,
Predicate<RadElement> predicate)
{
if (parent.Visibility != ElementVisibility.Visible)
return (RadElement) null;
ChildrenListOptions options = ChildrenListOptions.ZOrdered | ChildrenListOptions.ReverseOrder | ChildrenListOptions.IncludeOnlyVisible;
Rectangle clientRectangle = this.Control.ClientRectangle;
foreach (RadElement child in parent.GetChildren(options))
{
if (child.ElementState == ElementState.Loaded && child.HitTest(point))
{
if (foundElements != null && !(child is BorderPrimitive))
foundElements.Add(child);
RadElement elementAtPoint = this.GetElementAtPoint(child, point, foundElements, predicate);
if (elementAtPoint != null)
return elementAtPoint;
if (predicate == null || predicate(child))
return child;
}
}
return (RadElement) null;
}
private void InvalidateChildrenLayout(RadElement element)
{
if (this.element.ElementState != ElementState.Loaded)
{
return;
}
// KOSEV: fix!
//if (element.CoercedSize != LayoutUtils.InvalidSize)
// return;
foreach (RadElement child in element.GetChildren(ChildrenListOptions.Normal))
{
if (child.ElementState != ElementState.Loaded || !child.AutoSize)
{
continue;
}
child.LayoutEngine.SetLayoutInvalidated(true);
if (!child.LayoutEngine.IsValidWrapElement() || child.OverridesDefaultLayout ||
child.AffectsInnerLayout)
{
InvalidateChildrenLayout(child);
}
}
}
private SizeF GetMaxChildBorderNumber(RadElement parent, bool getAsSize)
{
if (parent == null)
{
return(SizeF.Empty);
}
SizeF maxBorderSize = SizeF.Empty;
foreach (RadElement child in parent.GetChildren(ChildrenListOptions.Normal))
{
if ((parent == this.Parent) && (child == this.element))
{
continue;
}
IBoxElement childBox = child as IBoxElement;
if (childBox == null)
{
continue;
}
if (child.LayoutableChildrenCount != 0)
{
continue;
}
maxBorderSize.Width = Math.Max(maxBorderSize.Width, (getAsSize ? childBox.HorizontalWidth : childBox.Offset.Width));
maxBorderSize.Height = Math.Max(maxBorderSize.Height, (getAsSize ? childBox.VerticalWidth : childBox.Offset.Height));
}
return(maxBorderSize);
}
private void InvalidateCoercedElements(RadElement parent, RadElement element)
{
foreach (RadElement child in parent.GetChildren(ChildrenListOptions.Normal))
{
if (child == element)
{
continue;
}
if (child.CoercedSize != LayoutUtils.InvalidSize)
{
continue;
}
if (child.ElementState == ElementState.Loaded)
{
child.LayoutEngine.SetLayoutInvalidated(true);
if (!child.LayoutEngine.IsValidWrapElement() || child.OverridesDefaultLayout || (element != null))
{
InvalidateCoercedElements(child, null);
}
}
}
}
internal RadElement GetElementAtPoint(RadElement parent, Point point, List <RadElement> foundElements)
{
if (parent.Visibility != ElementVisibility.Visible)
{
return(null);
}
ChildrenListOptions childrenFlags = ChildrenListOptions.ZOrdered |
ChildrenListOptions.ReverseOrder |
ChildrenListOptions.IncludeOnlyVisible;
Rectangle client = this.Control.ClientRectangle;
foreach (RadElement element in parent.GetChildren(childrenFlags))
{
if (element.ElementState != ElementState.Loaded)
{
continue;
}
if (element.HitTest(point))
{
bool addElement = (foundElements != null) && !(element is BorderPrimitive);
if (addElement)
{
foundElements.Add(element);
}
RadElement res = GetElementAtPoint(element, point, foundElements);
if (res != null)
{
return(res);
}
if (element.ShouldHandleMouseInput)
{
return(element);
}
}
}
return(null);
}
private void PerformLastSelfExplicit(RadElement element)
{
foreach (RadElement child in element.GetChildren(ChildrenListOptions.Normal))
{
if (child.ElementState != ElementState.Loaded)
{
continue;
}
if (child.PerformLayoutAfterFinishLayout == PerformLayoutType.SelfExplicit)
{
child.PerformLayoutAfterFinishLayout = PerformLayoutType.None;
child.LayoutEngine.PerformLayout(child, true);
return;
}
PerformLastSelfExplicit(child);
}
}
private RadItem FindGesturedItem(GestureEventArgs args, RadElement current)
{
foreach (RadElement child in current.GetChildren(ChildrenListOptions.ZOrdered | ChildrenListOptions.ReverseOrder))
{
if (child.ControlBoundingRectangle.Contains(args.Location))
{
RadItem radItem = child as RadItem;
if (radItem != null)
{
radItem.CallOnGesture(args);
if (args.Handled)
{
return(radItem);
}
}
RadItem gesturedItem = this.FindGesturedItem(args, child);
if (gesturedItem != null)
{
return(gesturedItem);
}
}
}
return((RadItem)null);
}
