src/sap.ui.commons/src/sap/ui/commons/Toolbar.js
function (aNavigableItems) {
				// Initialize the ItemNavigation if required
				if (!this.oItemNavigation) {
					this.oItemNavigation = new ItemNavigation();
					this.addDelegate(this.oItemNavigation);
				}

				this.oItemNavigation.setRootDomRef(ToolbarRenderer.getPopupArea(this.oToolbar));
				this.oItemNavigation.setItemDomRefs(aNavigableItems);
				this.oItemNavigation.focusItem(0);
			}
function (aNavigableItems) {
				// Initialize the ItemNavigation if required
				if (!this.oItemNavigation) {
					this.oItemNavigation = new ItemNavigation();
					this.addDelegate(this.oItemNavigation);
				}

				this.oItemNavigation.setRootDomRef(ToolbarRenderer.getPopupArea(this.oToolbar));
				this.oItemNavigation.setItemDomRefs(aNavigableItems);
				this.oItemNavigation.focusItem(0);
			}
function ( aNavigableItems ) { // Initialize the ItemNavigation if required if ( ! this . oItemNavigation ) { this . oItemNavigation = new ItemNavigation ( ) ; this . addDelegate ( this . oItemNavigation ) ; } this . oItemNavigation . setRootDomRef ( ToolbarRenderer . getPopupArea ( this . oToolbar ) ) ; this . oItemNavigation . setItemDomRefs ( aNavigableItems ) ; this . oItemNavigation . focusItem ( 0 ) ; }
Initializes the ItemNavigation for this popup and focuses the first item

@param aNavigableItems The DOM references of the toolbar items displayed in this popup
@private
Initializes the ItemNavigation for this popup and focuses the first item