////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
public NavRoot GetRoot()
{
if (vRootLevel == null)
{
vRootLevel = new NavLevel(GetChildItems);
vRoot.Build(vRootLevel);
}
return(vRoot);
}
/*--------------------------------------------------------------------------------------------*/
private void SetNewLevel(NavLevel pNewLevel, int pDirection)
{
if (vCurrLevel != null)
{
vCurrLevel.OnItemSelected -= HandleItemSelected;
vCurrLevel.SetActiveOnLevelChange(false, pDirection);
}
vCurrLevel = pNewLevel;
vCurrLevel.OnItemSelected += HandleItemSelected;
vCurrLevel.SetActiveOnLevelChange(true, pDirection);
OnLevelChange(pDirection);
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
private void HandleItemSelected(NavLevel pLevel, NavItem pItem)
{
vDelgate.HandleItemSelection(pLevel, pItem);
if (pItem.Type == NavItem.ItemType.Parent)
{
vHistory.Push(vCurrLevel);
SetNewLevel(pItem.ChildLevel, 1);
return;
}
if (pItem.NavigateBackUponSelect)
{
Back();
}
}
/*--------------------------------------------------------------------------------------------*/
public string GetLevelTitle()
{
NavLevel level = GetParentLevel();
return(level == null ? vDelgate.GetTopLevelTitle() : level.LastSelectedParentItem.Label);
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
public NavItemParent(string pLabel, float pRelativeSize = 1) :
base(ItemType.Parent, pLabel, pRelativeSize)
{
ChildLevel = new NavLevel();
}
////////////////////////////////////////////////////////////////////////////////////////////////
/*--------------------------------------------------------------------------------------------*/
public NavItemParent(Func <NavItem[]> pGetItems) : base(ItemType.Parent)
{
ChildLevel = new NavLevel(pGetItems);
}
/*--------------------------------------------------------------------------------------------*/
public void Build(NavLevel pRootLevel)
{
SetNewLevel(pRootLevel, 0);
}