Controls focus and hotkeys for webix.ui.
Object is created automatically, and can be accessed as webix.UIManager
| addHotKey | adds the hot key handler |
| applyChanges | triggers onChange handlers for active component |
| canFocus | checks whether the view can be focused |
| destructor | Destructor. Destroys the UIManager instance |
| getFocus | retrieves the view which has focus |
| getNext | gets the next view in the focus|tab order |
| getPrev | gets the previous view in the focus|tab order |
| getState | retrieves the current state of the specified view |
| getTop | returns the top-most parent to the specified view |
| hasFocus | checks whether the specified view has focus |
| removeHotKey | removes the hot key handler |
| setFocus | sets focus to the specified view |
| setState | restores the specified state |