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The NodeMenuNav class is a plugin for a Node instance. The class is used via the <a href="Node.html#method_plug"><code>plug</code></a> method of Node and should not be instantiated directly.

Methods

_afterActiveDescendantChange

(
  • event
  • menuNav
)
protected

"activeDescendantChange" event handler for menu's Focus Manager.

Parameters:

  • event Object

    Object representing the Attribute change event.

  • menuNav NodeMenuNav

    Object representing the NodeMenuNav instance.

_cancelHideSubmenuTimer

() protected

Cancels the timer used to hide a submenu.

_cancelShowSubmenuTimer

() protected

Cancels the timer used to show a submenu.

_clearActiveItem

() protected

Clears the menu's active descendent.

_focusItem

(
  • item
)
protected

Focuses the specified menuitem or menu label.

Parameters:

  • item Node

    Node instance representing a menuitem or menu label.

_getTopmostSubmenu

(
  • menu
)
Node protected

Returns the topmost submenu of a submenu hierarchy.

Parameters:

  • menu Node

    Node instance representing a menu.

Returns:

Node:

Node instance representing a menu.

_hideAllSubmenus

(
  • menu
)
protected

Hides all submenus of the specified menu.

Parameters:

  • menu Node

    Node instance representing a menu.

_hideAndFocusLabel

() protected

Hides all of the submenus of the root menu and focuses the label of the topmost submenu

_hideMenu

(
  • menu
  • activateAndFocusLabel
)
protected

Hides the specified menu.

Parameters:

  • menu Node

    Node instance representing a menu.

  • activateAndFocusLabel Boolean

    Boolean indicating if the label for the specified menu should be focused and set as active.

_initFocusManager

() protected

Initializes and updates the Focus Manager so that is is always managing descendants of the active menu.

_isRoot

(
  • menu
)
Boolean protected

Returns a boolean indicating if the specified menu is the root menu in the menu.

Parameters:

  • menu Node

    Node instance representing a menu.

Returns:

Boolean:

Boolean indicating if the specified menu is the root menu in the menu.

_onActiveDescendantChange

(
  • event
  • menuNav
)
protected

"activeDescendantChange" event handler for menu's Focus Manager.

Parameters:

  • event Object

    Object representing the Attribute change event.

  • menuNav NodeMenuNav

    Object representing the NodeMenuNav instance.

_onDocFocus

(
  • event
)
protected

"focus" event handler for the owner document of the MenuNav.

Parameters:

  • event Object

    Object representing the DOM event.

_onDocMouseDown

(
  • event
)
protected

"mousedown" event handler for the owner document of the menu.

Parameters:

  • event Object

    Object representing the DOM event.

_onHorizontalMenuKeyDown

(
  • event
)
protected

"keydown" event handler for horizontal menus.

Parameters:

  • event Object

    Object representing the DOM event.

_onKeyDown

(
  • event
)
protected

"keydown" event handler for the menu.

Parameters:

  • event Object

    Object representing the DOM event.

_onKeyPress

(
  • event
)
protected

"keypress" event handler for the menu.

Parameters:

  • event Object

    Object representing the DOM event.

_onMenuItemMouseOut

(
  • menuItem
  • event
)
protected

"mouseout" event handler for a menuitem.

Parameters:

  • menuItem Node

    Node instance representing a menuitem.

  • event Object

    Object representing the DOM event.

_onMenuItemMouseOver

(
  • menuItem
  • event
)
protected

"mouseover" event handler for a menuitem.

Parameters:

  • menuItem Node

    Node instance representing a menuitem.

  • event Object

    Object representing the DOM event.

_onMenuLabelMouseOut

(
  • menuLabel
  • event
)
protected

"mouseout" event handler for a menu label.

Parameters:

  • menuLabel Node

    Node instance representing a menu label.

  • event Object

    Object representing the DOM event.

_onMenuLabelMouseOver

(
  • menuLabel
  • event
)
protected

"mouseover" event handler for a menu label.

Parameters:

  • menuLabel Node

    Node instance representing a menu label.

  • event Object

    Object representing the DOM event.

_onMenuMouseOut

(
  • menu
  • event
)
protected

"mouseout" event handler for a menu.

Parameters:

  • menu Node

    Node instance representing a menu.

  • event Object

    Object representing the DOM event.

_onMenuMouseOver

(
  • menu
  • event
)
protected

"mouseover" event handler for a menu.

Parameters:

  • menu Node

    Node instance representing a menu.

  • event Object

    Object representing the DOM event.

_onMouseMove

(
  • event
)
protected

"mousemove" event handler for the menu.

Parameters:

  • event Object

    Object representing the DOM event.

_onMouseOut

(
  • event
)
protected

"mouseout" event handler for the menu.

Parameters:

  • event Object

    Object representing the DOM event.

_onMouseOver

(
  • event
)
protected

"mouseover" event handler for the menu.

Parameters:

  • event Object

    Object representing the DOM event.

_onVerticalMenuKeyDown

(
  • event
)
protected

"keydown" event handler for vertical menus.

Parameters:

  • event Object

    Object representing the DOM event.

_setActiveItem

(
  • item
)
protected

Sets the specified menuitem or menu label as the menu's active descendent.

Parameters:

  • item Node

    Node instance representing a menuitem or menu label.

_showMenu

(
  • menu
)
protected

Shows the specified menu.

Parameters:

  • menu Node

    Node instance representing a menu.

_toggleSubmenuDisplay

(
  • event
)
protected

"mousedown," "keydown," and "click" event handler for the menu used to toggle the display of a submenu.

Parameters:

  • event Object

    Object representing the DOM event.

Properties

_activeItem

Node protected

Node instance representing the menu's active descendent: the menuitem or menu label the user is currently interacting with.

Default: null

_activeMenu

Node protected

Node instance representing the menu that is the parent of the menu's active descendent.

Default: null

_blockMouseEvent

Boolean protected

Boolean indicating whether or not to handle the "mouseover" event.

Default: false

_currentMouseX

Number protected

Number representing the current x coordinate of the mouse inside the menu.

Default: 0

_firstItem

Node protected

Node instance representing the first item (menuitem or menu label) in the root menu of a menu.

Default: null

_hasFocus

Boolean protected

Boolean indicating if the menu has focus.

Default: false

_hideAllSubmenusTimer

Object protected

Timer used to hide a all submenus.

Default: null

_hideSubmenuTimer

Object protected

Timer used to hide a submenu.

Default: null

_movingToSubmenu

Boolean protected

Boolean indicating if the mouse is moving from a menu label to its corresponding submenu.

Default: false

_rootMenu

Node protected

Node instance representing the root menu in the menu.

Default: null

_showSubmenuTimer

Object protected

Timer used to show a submenu.

Default: null

SHIM_TEMPLATE

String

String representing the HTML used to create the <code><iframe></code> shim used to prevent <code><select></code> elements from poking through menus in IE 6.

Default: &#34;&#60;iframe frameborder=&#34;0&#34; tabindex=&#34;-1&#34; class=&#34;yui-shim&#34; title=&#34;Menu Stacking Shim&#34; src=&#34;javascript:false;&#34;&#62;&#60;/iframe&#62;&#34;

SHIM_TEMPLATE_TITLE

String

String representing the value for the <code>title</code> attribute for the shim used to prevent <code><select></code> elements from poking through menus in IE 6.

Default: "Menu Stacking Shim"

Attributes

autoSubmenuDisplay

Boolean readonly

Boolean indicating if submenus are automatically made visible when the user mouses over the menu's items.

Default: true

mouseOutHideDelay

Number readonly

Number indicating the time (in milliseconds) that should expire before a submenu is hidden when the user mouses out of it.

Default: 750

submenuHideDelay

Number readonly

Number indicating the time (in milliseconds) that should expire before a submenu is hidden when the user mouses out of a menu label heading in the direction of a submenu.

Default: 250

submenuShowDelay

Number readonly

Number indicating the time (in milliseconds) that should expire before a submenu is made visible when the user mouses over the menu's label.

Default: 250

useARIA

Boolean readonly

Boolean indicating if use of the WAI-ARIA Roles and States should be enabled for the menu.

Default: true