public void ClickFocusedItem()
{
RadGalleryPopupElement popupElement = this.PopupElement as RadGalleryPopupElement;
if (popupElement == null)
{
return;
}
List <RadElement> descendants = popupElement.GetDescendants(new Predicate <RadElement>(this.IsGaleryItem), TreeTraversalMode.BreadthFirst);
descendants.Sort(new Comparison <RadElement>(this.GalleryItemsComparison));
for (int index = 0; index < descendants.Count; ++index)
{
if (descendants[index].IsMouseOver)
{
descendants[index].PerformClick();
break;
}
}
}
protected override bool ProcessUpDownNavigationKey(bool isUp)
{
RadGalleryPopupElement popupElement = this.PopupElement as RadGalleryPopupElement;
if (popupElement == null)
{
return(false);
}
List <RadElement> descendants = popupElement.GetDescendants(new Predicate <RadElement>(this.IsGaleryItem), TreeTraversalMode.BreadthFirst);
descendants.Sort(new Comparison <RadElement>(this.GalleryItemsComparison));
for (int currentIndex = 0; currentIndex < descendants.Count; ++currentIndex)
{
if (descendants[currentIndex].IsMouseOver)
{
if (isUp)
{
this.FocusItem(descendants[currentIndex], this.FindUpperItem(currentIndex, descendants));
}
else
{
this.FocusItem(descendants[currentIndex], this.FindLowerItem(currentIndex, descendants));
}
return(true);
}
}
if (descendants.Count == 0)
{
this.FocusItem((RadElement)null, (RadElement)null);
}
else
{
this.FocusItem((RadElement)null, descendants[0]);
}
return(true);
}
protected override bool ProcessLeftRightNavigationKey(bool isLeft)
{
RadGalleryPopupElement popupElement = this.PopupElement as RadGalleryPopupElement;
if (popupElement == null)
{
return(false);
}
List <RadElement> descendants = popupElement.GetDescendants(new Predicate <RadElement>(this.IsGaleryItem), TreeTraversalMode.BreadthFirst);
descendants.Sort(new Comparison <RadElement>(this.GalleryItemsComparison));
for (int index = 0; index < descendants.Count; ++index)
{
if (descendants[index].IsMouseOver)
{
if (isLeft)
{
this.FocusItem(descendants[index], index > 0 ? descendants[index - 1] : (RadElement)null);
}
else
{
this.FocusItem(descendants[index], index + 1 < descendants.Count ? descendants[index + 1] : (RadElement)null);
}
return(true);
}
}
if (descendants.Count == 0)
{
this.FocusItem((RadElement)null, (RadElement)null);
}
else
{
this.FocusItem((RadElement)null, isLeft ? descendants[descendants.Count] : descendants[0]);
}
return(true);
}
