/// <summary>Recalculates the tab size of a scroll bar.</summary>
public virtual void RecalculateTab()
{
if (ScrollTab == null)
{
if (Element.childNodes.Count > 1)
{
Element scrollTab = Element.childNodes[1];
if (scrollTab != null)
{
ScrollTab = ((ScrollTabTag)scrollTab.Handler);
}
}
}
if (ScrollTab != null)
{
Element target = GetTarget();
if (target == null)
{
return;
}
ComputedStyle computed = target.style.Computed;
bool useX = ScrollTab.UseX();
OverflowType overflowMode = useX?computed.OverflowX : computed.OverflowY;
float visible = useX?computed.VisiblePercentageX() : computed.VisiblePercentageY();
if (visible > 1f)
{
visible = 1f;
}
else if (visible < 0f)
{
visible = 0f;
}
if (overflowMode == OverflowType.Auto)
{
// Handle AUTO here.
// Hide the bar by directly setting it's display style if the whole thing is visible - i.e. visible = 1(00%).
ComputedStyle barStyle = Element.Style.Computed;
if (visible == 1f)
{
barStyle.DisplayNone();
}
else if (barStyle.Display == DisplayType.None)
{
// Make it visible again:
barStyle.Display = DisplayType.InlineBlock;
}
}
ScrollTab.ApplyTabSize(visible);
}
}
/// <summary>Recalculates the tab size of a scroll bar.</summary>
public virtual void RecalculateTab(){
if(ScrollTab==null){
if(Element.childNodes.Count>1){
Element scrollTab=Element.childNodes[1];
if(scrollTab!=null){
ScrollTab=((ScrollTabTag)scrollTab.Handler);
}
}
}
if(ScrollTab!=null){
Element target=GetTarget();
if(target==null){
return;
}
ComputedStyle computed=target.style.Computed;
bool useX=ScrollTab.UseX();
OverflowType overflowMode=useX?computed.OverflowX : computed.OverflowY;
float visible=useX?computed.VisiblePercentageX() : computed.VisiblePercentageY();
if(visible>1f){
visible=1f;
}else if(visible<0f){
visible=0f;
}
if(overflowMode==OverflowType.Auto){
// Handle AUTO here.
// Hide the bar by directly setting it's display style if the whole thing is visible - i.e. visible = 1(00%).
ComputedStyle barStyle=Element.Style.Computed;
if(visible==1f){
barStyle.DisplayNone();
}else if(barStyle.Display==DisplayType.None){
// Make it visible again:
barStyle.Display=DisplayType.InlineBlock;
}
}
ScrollTab.ApplyTabSize(visible);
}
}