public virtual int Compare(object x, object y)
{
int ix = items.IndexOf(x as RadItem);
int iy = items.IndexOf(y as RadItem);
if (ix != -1 && iy != -1)
{
return(ix.CompareTo(iy));
}
else
{
if (ix == -1 && iy != -1)
{
return(1);
}
else if (ix != -1 && iy == -1)
{
return(-1);
}
else
{
return(0);
}
}
}
private void ItemsChanged(
RadItemCollection changed,
RadItem target,
ItemsChangeOperation operation)
{
switch (operation)
{
case ItemsChangeOperation.Inserted:
if (changed.IndexOf(target) <= this.currentIndex)
{
++this.currentIndex;
}
target.Visibility = ElementVisibility.Hidden;
target.NotifyParentOnMouseInput = true;
break;
case ItemsChangeOperation.Removing:
this.removedIndex = changed.IndexOf(target);
break;
case ItemsChangeOperation.Removed:
if (this.removedIndex != this.currentIndex)
{
this.removedIndex = -2;
break;
}
this.removedIndex = -2;
this.RemoveAnimations(target);
if (this.items.Count <= 0)
{
break;
}
int index1 = (this.currentIndex + 1) % this.Items.Count;
this.currentIndex = -2;
this.Goto(index1);
break;
case ItemsChangeOperation.Set:
bool flag = changed.IndexOf(target) == this.currentIndex;
target.Visibility = flag ? ElementVisibility.Visible : ElementVisibility.Hidden;
target.NotifyParentOnMouseInput = true;
break;
case ItemsChangeOperation.Clearing:
for (int index2 = 0; index2 < this.Items.Count; ++index2)
{
this.RemoveAnimations(this.Items[index2]);
}
if (this.defaultItem != null)
{
this.currentIndex = -1;
this.defaultItem.Visibility = ElementVisibility.Visible;
break;
}
this.currentIndex = -2;
break;
}
}
private void ItemsChanged(RadItemCollection changed, RadItem target, ItemsChangeOperation operation)
{
bool isCurrent;
switch (operation)
{
case ItemsChangeOperation.Inserted:
int newIndex = changed.IndexOf(target);
if (newIndex <= currentIndex)
{
currentIndex++;
}
target.Visibility = ElementVisibility.Hidden;
target.NotifyParentOnMouseInput = true;
break;
case ItemsChangeOperation.Set:
isCurrent = changed.IndexOf(target) == currentIndex;
target.Visibility = isCurrent ? ElementVisibility.Visible : ElementVisibility.Hidden;
target.NotifyParentOnMouseInput = true;
break;
case ItemsChangeOperation.Removing:
removedIndex = changed.IndexOf(target);
break;
case ItemsChangeOperation.Removed:
if (removedIndex != currentIndex)
{
removedIndex = -2;
break;
}
removedIndex = -2;
this.RemoveAnimations(target);
if (this.items.Count > 0)
{
int next = (currentIndex + 1) % this.Items.Count;
currentIndex = -2;
this.Goto(next);
}
break;
case ItemsChangeOperation.Clearing:
for (int i = 0; i < this.Items.Count; i++)
{
this.RemoveAnimations(this.Items[i]);
}
if (defaultItem != null)
{
currentIndex = -1;
defaultItem.Visibility = ElementVisibility.Visible;
}
else
{
currentIndex = -2;
}
break;
}
}