private void SyncChildrenToRibbonTabs()
{
// Remove all child elements
Clear();
// Create a new lookup that reflects any changes in tabs
TabToView regenerate = new TabToView();
// Make sure we have a view element to match each tab
foreach (KryptonRibbonTab tab in Ribbon.RibbonTabs)
{
ViewLayoutRibbonScrollPort view = null;
// Get the currently cached view for the tab
if (_tabToView.ContainsKey(tab))
{
view = _tabToView[tab];
}
// If a new tab, create a view for it now
if (view == null)
{
ViewLayoutRibbonGroups groups = new ViewLayoutRibbonGroups(Ribbon, tab, NeedPaintDelegate);
view = new ViewLayoutRibbonScrollPort(Ribbon, Orientation.Horizontal, groups, false, SCROLL_SPEED, NeedPaintDelegate)
{
TransparentBackground = true
};
groups.NeedPaintDelegate = view.ViewControlPaintDelegate;
}
// Make sure only the selected tab is visible
view.Visible = (Ribbon.SelectedTab == tab);
// Add to the lookup for future reference
regenerate.Add(tab, view);
// Remove no longer needed reference
_tabToView.Remove(tab);
}
// Switch to using the lookup with only the current options inside
TabToView redundant = _tabToView;
_tabToView = regenerate;
// Add the view elements in same order as the tab definitions
foreach (KryptonRibbonTab tab in Ribbon.RibbonTabs)
{
Add(_tabToView[tab]);
}
// Dispose of all the no longer needed child tabs
foreach (ViewBase oldChild in redundant.Values)
{
oldChild.Dispose();
}
}
/// <summary>
/// Gets the view element group that the provided point is inside.
/// </summary>
/// <param name="pt">Mouse point.</param>
/// <returns>Reference if inside a group; otherwise null.</returns>
public ViewDrawRibbonGroup ViewGroupFromPoint(Point pt)
{
// There can only be groups showing for the currently selected tab
if (Ribbon.SelectedTab != null && (_tabToView.ContainsKey(Ribbon.SelectedTab)))
{
// Get the scroll port for this tab
ViewLayoutRibbonScrollPort viewScrollPort = _tabToView[Ribbon.SelectedTab];
// The first child of the scroll port is always the view control
ViewLayoutControl viewControl = viewScrollPort[0] as ViewLayoutControl;
// The first child of the view control is always the ribbon groups
ViewLayoutRibbonGroups viewGroups = viewControl.ChildView as ViewLayoutRibbonGroups;
// Ask the view groups to find a matching group
return(viewGroups.ViewGroupFromPoint(pt));
}
return(null);
}