[Jifty-commit] r3119 - in jifty/trunk: share/web/static/js/yui
jifty-commit at lists.jifty.org
jifty-commit at lists.jifty.org
Thu Apr 12 03:36:00 EDT 2007
Author: hlb
Date: Thu Apr 12 03:36:00 2007
New Revision: 3119
Added:
jifty/trunk/share/web/static/js/yui/menu.js
Modified:
jifty/trunk/lib/Jifty/Web/Menu.pm
Log:
* Added render_as_yui_menubar in Menu.pm
Modified: jifty/trunk/lib/Jifty/Web/Menu.pm
==============================================================================
--- jifty/trunk/lib/Jifty/Web/Menu.pm (original)
+++ jifty/trunk/lib/Jifty/Web/Menu.pm Thu Apr 12 03:36:00 2007
@@ -193,7 +193,6 @@
'';
}
-
=head2 render_as_context_menu
Render this menu with html markup as an inline dropdown menu.
@@ -254,6 +253,45 @@
}
+=head2 render_as_yui_menubar
+
+Render menubar with YUI menu, suitable for an application's menu.
+It can support arbitary levels of submenu.
+
+=cut
+
+sub render_as_yui_menubar {
+ my $self = shift;
+ my $id = Jifty->web->serial;
+ $self->_render_as_yui_menu_item("yuimenubar", $id);
+ Jifty->web->out(qq|<script type="text/javascript">\n|
+ . qq|YAHOO.util.Event.onContentReady("|.$id.qq|", function() {\n|
+ . qq|var menu = new YAHOO.widget.MenuBar("|.$id.qq|", { autosubmenudisplay:true, hidedelay:750, lazyload:true });\n|
+ . qq|menu.render();\n|
+ . qq|});</script>|
+ );
+ '';
+}
+
+sub _render_as_yui_menu_item {
+ my ($self, $class, $id) = @_;
+ my @kids = $self->children
+ or return;
+
+ Jifty->web->out(
+ qq{<div}
+ . ($id ? qq{ id="$id"} : "")
+ . qq{ class="$class"><div class="bd"><ul>}
+ );
+ for (@kids) {
+ Jifty->web->out( qq{<li class="${class}item">});
+ Jifty->web->out( $_->as_link );
+ $_->_render_as_yui_menu_item("yuimenu");
+ Jifty->web->out( qq{</li>});
+ }
+ Jifty->web->out(qq{</ul></div></div>});
+}
+
=head2 as_link
Return this menu item as a C<Jifty::Web::Link>, either the one we were
Added: jifty/trunk/share/web/static/js/yui/menu.js
==============================================================================
--- (empty file)
+++ jifty/trunk/share/web/static/js/yui/menu.js Thu Apr 12 03:36:00 2007
@@ -0,0 +1,8675 @@
+/*
+Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 2.2.1
+*/
+
+
+/**
+* @module menu
+* @description <p>The Menu family of components features a collection of
+* controls that make it easy to add menus to your website or web application.
+* With the Menu Controls you can create website fly-out menus, customized
+* context menus, or application-style menu bars with just a small amount of
+* scripting.</p><p>The Menu family of controls features:</p>
+* <ul>
+* <li>Screen-reader accessibility.</li>
+* <li>Keyboard and mouse navigation.</li>
+* <li>A rich event model that provides access to all of a menu's
+* interesting moments.</li>
+* <li>Support for
+* <a href="http://en.wikipedia.org/wiki/Progressive_Enhancement">Progressive
+* Enhancement</a>; Menus can be created from simple,
+* semantic markup on the page or purely through JavaScript.</li>
+* </ul>
+* @title Menu
+* @namespace YAHOO.widget
+* @requires Event, Dom, Container
+*/
+(function() {
+
+var Dom = YAHOO.util.Dom,
+ Event = YAHOO.util.Event;
+
+
+/**
+* Singleton that manages a collection of all menus and menu items. Listens for
+* DOM events at the document level and dispatches the events to the
+* corresponding menu or menu item.
+*
+* @namespace YAHOO.widget
+* @class MenuManager
+* @static
+*/
+YAHOO.widget.MenuManager = function() {
+
+ // Private member variables
+
+
+ // Flag indicating if the DOM event handlers have been attached
+
+ var m_bInitializedEventHandlers = false,
+
+
+ // Collection of menus
+
+ m_oMenus = {},
+
+
+ // Collection of menu items
+
+ m_oItems = {},
+
+
+ // Collection of visible menus
+
+ m_oVisibleMenus = {},
+
+
+ // Map of DOM event types to their equivalent CustomEvent types
+
+ m_oEventTypes = {
+ "click": "clickEvent",
+ "mousedown": "mouseDownEvent",
+ "mouseup": "mouseUpEvent",
+ "mouseover": "mouseOverEvent",
+ "mouseout": "mouseOutEvent",
+ "keydown": "keyDownEvent",
+ "keyup": "keyUpEvent",
+ "keypress": "keyPressEvent"
+ },
+
+
+ m_oFocusedMenuItem = null;
+
+
+
+
+ // Private methods
+
+
+ /**
+ * @method addItem
+ * @description Adds an item to the collection of known menu items.
+ * @private
+ * @param {YAHOO.widget.MenuItem} p_oItem Object specifying the MenuItem
+ * instance to be added.
+ */
+ function addItem(p_oItem) {
+
+ var sId = p_oItem.id;
+
+ if(p_oItem && m_oItems[sId] != p_oItem) {
+
+ m_oItems[sId] = p_oItem;
+
+ p_oItem.destroyEvent.subscribe(onItemDestroy);
+
+
+ }
+
+ }
+
+
+ /**
+ * @method removeItem
+ * @description Removes an item from the collection of known menu items.
+ * @private
+ * @param {YAHOO.widget.MenuItem} p_oItem Object specifying the MenuItem
+ * instance to be removed.
+ */
+ function removeItem(p_oItem) {
+
+ var sId = p_oItem.id;
+
+ if(sId && m_oItems[sId]) {
+
+ delete m_oItems[sId];
+
+
+ }
+
+ }
+
+
+ /**
+ * @method getMenuRootElement
+ * @description Finds the root DIV node of a menu or the root LI node of a
+ * menu item.
+ * @private
+ * @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-58190037">HTMLElement</a>} p_oElement Object specifying
+ * an HTML element.
+ */
+ function getMenuRootElement(p_oElement) {
+
+ var oParentNode;
+
+ if(p_oElement && p_oElement.tagName) {
+
+ switch(p_oElement.tagName.toUpperCase()) {
+
+ case "DIV":
+
+ oParentNode = p_oElement.parentNode;
+
+ // Check if the DIV is the inner "body" node of a menu
+
+ if(
+ (
+ Dom.hasClass(p_oElement, "hd") ||
+ Dom.hasClass(p_oElement, "bd") ||
+ Dom.hasClass(p_oElement, "ft")
+ )
+ &&
+ oParentNode &&
+ oParentNode.tagName &&
+ oParentNode.tagName.toUpperCase() == "DIV"
+ ) {
+
+ return oParentNode;
+
+ }
+ else {
+
+ return p_oElement;
+
+ }
+
+ break;
+
+ case "LI":
+
+ return p_oElement;
+
+ default:
+
+ oParentNode = p_oElement.parentNode;
+
+ if(oParentNode) {
+
+ return getMenuRootElement(oParentNode);
+
+ }
+
+ break;
+
+ }
+
+ }
+
+ }
+
+
+
+ // Private event handlers
+
+
+ /**
+ * @method onDOMEvent
+ * @description Generic, global event handler for all of a menu's DOM-based
+ * events. This listens for events against the document object. If the
+ * target of a given event is a member of a menu or menu item's DOM, the
+ * instance's corresponding Custom Event is fired.
+ * @private
+ * @param {Event} p_oEvent Object representing the DOM event object passed
+ * back by the event utility (YAHOO.util.Event).
+ */
+ function onDOMEvent(p_oEvent) {
+
+ // Get the target node of the DOM event
+
+ var oTarget = Event.getTarget(p_oEvent),
+
+
+ // See if the target of the event was a menu, or a menu item
+
+ oElement = getMenuRootElement(oTarget),
+ oMenuItem,
+ oMenu;
+
+
+ if(oElement) {
+
+ var sTagName = oElement.tagName.toUpperCase();
+
+ if(sTagName == "LI") {
+
+ var sId = oElement.id;
+
+ if(sId && m_oItems[sId]) {
+
+ oMenuItem = m_oItems[sId];
+ oMenu = oMenuItem.parent;
+
+ }
+
+ }
+ else if(sTagName == "DIV") {
+
+ if(oElement.id) {
+
+ oMenu = m_oMenus[oElement.id];
+
+ }
+
+ }
+
+ }
+
+
+ if(oMenu) {
+
+ var sCustomEventType = m_oEventTypes[p_oEvent.type];
+
+
+ // Fire the Custom Event that corresponds the current DOM event
+
+ if(oMenuItem && !oMenuItem.cfg.getProperty("disabled")) {
+
+ oMenuItem[sCustomEventType].fire(p_oEvent);
+
+
+ if (p_oEvent.type == "keyup" || p_oEvent.type == "mousedown") {
+
+ if (m_oFocusedMenuItem != oMenuItem) {
+
+ if(m_oFocusedMenuItem) {
+
+ m_oFocusedMenuItem.blurEvent.fire();
+
+ }
+
+ oMenuItem.focusEvent.fire();
+
+ }
+
+ }
+
+ }
+
+ oMenu[sCustomEventType].fire(p_oEvent, oMenuItem);
+
+ }
+ else if(p_oEvent.type == "mousedown") {
+
+ if(m_oFocusedMenuItem) {
+
+ m_oFocusedMenuItem.blurEvent.fire();
+
+ m_oFocusedMenuItem = null;
+
+ }
+
+
+ /*
+ If the target of the event wasn't a menu, hide all
+ dynamically positioned menus
+ */
+
+ for(var i in m_oMenus) {
+
+ if(YAHOO.lang.hasOwnProperty(m_oMenus,i)) {
+
+ oMenu = m_oMenus[i];
+
+ if(
+ oMenu.cfg.getProperty("clicktohide") &&
+ oMenu.cfg.getProperty("position") == "dynamic"
+ ) {
+
+ oMenu.hide();
+
+ }
+ else {
+
+ oMenu.clearActiveItem(true);
+
+ }
+
+ }
+
+ }
+
+ }
+ else if(p_oEvent.type == "keyup") {
+
+ if(m_oFocusedMenuItem) {
+
+ m_oFocusedMenuItem.blurEvent.fire();
+
+ m_oFocusedMenuItem = null;
+
+ }
+
+ }
+
+ }
+
+
+ /**
+ * @method onMenuDestroy
+ * @description "destroy" event handler for a menu.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onMenuDestroy(p_sType, p_aArgs) {
+
+ if(m_oMenus[this.id]) {
+
+ delete m_oMenus[this.id];
+
+
+ }
+
+ }
+
+
+ /**
+ * @method onMenuFocus
+ * @description "focus" event handler for a MenuItem instance.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onMenuFocus(p_sType, p_aArgs) {
+
+ var oItem = p_aArgs[0];
+
+ if (oItem) {
+
+ m_oFocusedMenuItem = oItem;
+
+ }
+
+ }
+
+
+ /**
+ * @method onMenuBlur
+ * @description "blur" event handler for a MenuItem instance.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onMenuBlur(p_sType, p_aArgs) {
+
+ m_oFocusedMenuItem = null;
+
+ }
+
+
+ /**
+ * @method onItemDestroy
+ * @description "destroy" event handler for a MenuItem instance.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onItemDestroy(p_sType, p_aArgs) {
+
+ var sId = this.id;
+
+ if(sId && m_oItems[sId]) {
+
+ delete m_oItems[sId];
+
+ }
+
+ }
+
+
+ /**
+ * @method onMenuVisibleConfigChange
+ * @description Event handler for when the "visible" configuration property
+ * of a Menu instance changes.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onMenuVisibleConfigChange(p_sType, p_aArgs) {
+
+ var bVisible = p_aArgs[0];
+
+ if(bVisible) {
+
+ m_oVisibleMenus[this.id] = this;
+
+
+ }
+ else if(m_oVisibleMenus[this.id]) {
+
+ delete m_oVisibleMenus[this.id];
+
+
+ }
+
+ }
+
+
+ /**
+ * @method onItemAdded
+ * @description "itemadded" event handler for a Menu instance.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onItemAdded(p_sType, p_aArgs) {
+
+ addItem(p_aArgs[0]);
+
+ }
+
+
+ /**
+ * @method onItemRemoved
+ * @description "itemremoved" event handler for a Menu instance.
+ * @private
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ */
+ function onItemRemoved(p_sType, p_aArgs) {
+
+ removeItem(p_aArgs[0]);
+
+ }
+
+
+
+ return {
+
+ // Privileged methods
+
+
+ /**
+ * @method addMenu
+ * @description Adds a menu to the collection of known menus.
+ * @param {YAHOO.widget.Menu} p_oMenu Object specifying the Menu
+ * instance to be added.
+ */
+ addMenu: function(p_oMenu) {
+
+ if(p_oMenu && p_oMenu.id && !m_oMenus[p_oMenu.id]) {
+
+ m_oMenus[p_oMenu.id] = p_oMenu;
+
+
+ if(!m_bInitializedEventHandlers) {
+
+ var oDoc = document;
+
+ Event.on(oDoc, "mouseover", onDOMEvent, this, true);
+ Event.on(oDoc, "mouseout", onDOMEvent, this, true);
+ Event.on(oDoc, "mousedown", onDOMEvent, this, true);
+ Event.on(oDoc, "mouseup", onDOMEvent, this, true);
+ Event.on(oDoc, "click", onDOMEvent, this, true);
+ Event.on(oDoc, "keydown", onDOMEvent, this, true);
+ Event.on(oDoc, "keyup", onDOMEvent, this, true);
+ Event.on(oDoc, "keypress", onDOMEvent, this, true);
+
+
+ m_bInitializedEventHandlers = true;
+
+
+ }
+
+ p_oMenu.destroyEvent.subscribe(onMenuDestroy);
+
+ p_oMenu.cfg.subscribeToConfigEvent(
+ "visible",
+ onMenuVisibleConfigChange
+ );
+
+ p_oMenu.itemAddedEvent.subscribe(onItemAdded);
+ p_oMenu.itemRemovedEvent.subscribe(onItemRemoved);
+ p_oMenu.focusEvent.subscribe(onMenuFocus);
+ p_oMenu.blurEvent.subscribe(onMenuBlur);
+
+
+ }
+
+ },
+
+
+ /**
+ * @method removeMenu
+ * @description Removes a menu from the collection of known menus.
+ * @param {YAHOO.widget.Menu} p_oMenu Object specifying the Menu
+ * instance to be removed.
+ */
+ removeMenu: function(p_oMenu) {
+
+ if(p_oMenu && m_oMenus[p_oMenu.id]) {
+
+ delete m_oMenus[p_oMenu.id];
+
+
+ }
+
+ },
+
+
+ /**
+ * @method hideVisible
+ * @description Hides all visible, dynamically positioned menus.
+ */
+ hideVisible: function() {
+
+ var oMenu;
+
+ for(var i in m_oVisibleMenus) {
+
+ if(YAHOO.lang.hasOwnProperty(m_oVisibleMenus,i)) {
+
+ oMenu = m_oVisibleMenus[i];
+
+ if(oMenu.cfg.getProperty("position") == "dynamic") {
+
+ oMenu.hide();
+
+ }
+
+ }
+
+ }
+
+ },
+
+
+ /**
+ * @method getMenus
+ * @description Returns an array of all menus registered with the
+ * menu manger.
+ * @return {Array}
+ */
+ getMenus: function() {
+
+ return m_oMenus;
+
+ },
+
+
+ /**
+ * @method getMenu
+ * @description Returns a menu with the specified id.
+ * @param {String} p_sId String specifying the id of the menu to
+ * be retrieved.
+ * @return {YAHOO.widget.Menu}
+ */
+ getMenu: function(p_sId) {
+
+ if(m_oMenus[p_sId]) {
+
+ return m_oMenus[p_sId];
+
+ }
+
+ },
+
+
+ /**
+ * @method getFocusedMenuItem
+ * @description Returns a reference to the menu item that currently
+ * has focus.
+ * @return {YAHOO.widget.MenuItem}
+ */
+ getFocusedMenuItem: function() {
+
+ return m_oFocusedMenuItem;
+
+ },
+
+
+ /**
+ * @method getFocusedMenu
+ * @description Returns a reference to the menu that currently has focus.
+ * @return {YAHOO.widget.Menu}
+ */
+ getFocusedMenu: function() {
+
+ if(m_oFocusedMenuItem) {
+
+ return (m_oFocusedMenuItem.parent.getRoot());
+
+ }
+
+ },
+
+
+ /**
+ * @method toString
+ * @description Returns a string representing the menu manager.
+ * @return {String}
+ */
+ toString: function() {
+
+ return ("MenuManager");
+
+ }
+
+ };
+
+}();
+
+})();
+
+
+
+/**
+* The Menu class creates a container that holds a vertical list representing
+* a set of options or commands. Menu is the base class for all
+* menu containers.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><div></code> element of the menu.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><select></code> element to be used as the data source
+* for the menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+* level-one-html.html#ID-22445964">HTMLDivElement</a>} p_oElement Object
+* specifying the <code><div></code> element of the menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+* level-one-html.html#ID-94282980">HTMLSelectElement</a>} p_oElement
+* Object specifying the <code><select></code> element to be used as
+* the data source for the menu.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu. See configuration class documentation for
+* more details.
+* @namespace YAHOO.widget
+* @class Menu
+* @constructor
+* @extends YAHOO.widget.Overlay
+*/
+(function() {
+
+var Dom = YAHOO.util.Dom,
+ Event = YAHOO.util.Event,
+ CustomEvent = YAHOO.util.CustomEvent,
+ Lang = YAHOO.lang;
+
+
+YAHOO.widget.Menu = function(p_oElement, p_oConfig) {
+
+ if(p_oConfig) {
+
+ this.parent = p_oConfig.parent;
+ this.lazyLoad = p_oConfig.lazyLoad || p_oConfig.lazyload;
+ this.itemData = p_oConfig.itemData || p_oConfig.itemdata;
+
+ }
+
+
+ YAHOO.widget.Menu.superclass.constructor.call(
+ this,
+ p_oElement,
+ p_oConfig
+ );
+
+};
+
+
+/**
+* Constant representing the name of the Menu's events
+* @property YAHOO.widget.Menu._EVENT_TYPES
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.Menu._EVENT_TYPES = {
+
+ "MOUSE_OVER": "mouseover",
+ "MOUSE_OUT": "mouseout",
+ "MOUSE_DOWN": "mousedown",
+ "MOUSE_UP": "mouseup",
+ "CLICK": "click",
+ "KEY_PRESS": "keypress",
+ "KEY_DOWN": "keydown",
+ "KEY_UP": "keyup",
+ "FOCUS": "focus",
+ "BLUR": "blur",
+ "ITEM_ADDED": "itemAdded",
+ "ITEM_REMOVED": "itemRemoved"
+
+};
+
+
+
+/**
+* @method _checkPosition
+* @description Checks to make sure that the value of the "position" property
+* is one of the supported strings. Returns true if the position is supported.
+* @private
+* @param {Object} p_sPosition String specifying the position of the menu.
+* @return {Boolean}
+*/
+YAHOO.widget.Menu._checkPosition = function(p_sPosition) {
+
+ if(typeof p_sPosition == "string") {
+
+ var sPosition = p_sPosition.toLowerCase();
+
+ return ("dynamic,static".indexOf(sPosition) != -1);
+
+ }
+
+};
+
+
+
+/**
+* Constant representing the Menu's configuration properties
+* @property YAHOO.widget.Menu._DEFAULT_CONFIG
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.Menu._DEFAULT_CONFIG = {
+
+ "VISIBLE": {
+ key: "visible",
+ value: false,
+ validator: Lang.isBoolean
+ },
+
+ "CONSTRAIN_TO_VIEWPORT": {
+ key: "constraintoviewport",
+ value: true,
+ validator: Lang.isBoolean,
+ supercedes: ["iframe","x","y","xy"]
+ },
+
+ "POSITION": {
+ key: "position",
+ value: "dynamic",
+ validator: YAHOO.widget.Menu._checkPosition,
+ supercedes: ["visible"]
+ },
+
+ "SUBMENU_ALIGNMENT": {
+ key: "submenualignment",
+ value: ["tl","tr"]
+ },
+
+ "AUTO_SUBMENU_DISPLAY": {
+ key: "autosubmenudisplay",
+ value: true,
+ validator: Lang.isBoolean
+ },
+
+ "SHOW_DELAY": {
+ key: "showdelay",
+ value: 250,
+ validator: Lang.isNumber
+ },
+
+ "HIDE_DELAY": {
+ key: "hidedelay",
+ value: 0,
+ validator: Lang.isNumber,
+ suppressEvent: true
+ },
+
+ "SUBMENU_HIDE_DELAY": {
+ key: "submenuhidedelay",
+ value: 250,
+ validator: Lang.isNumber
+ },
+
+ "CLICK_TO_HIDE": {
+ key: "clicktohide",
+ value: true,
+ validator: Lang.isBoolean
+ },
+
+ "CONTAINER": {
+ key: "container"
+ },
+
+ "MAX_HEIGHT": {
+ key: "maxheight",
+ value: 0,
+ validator: Lang.isNumber
+ },
+
+ "CLASS_NAME": {
+ key: "classname",
+ value: null,
+ validator: Lang.isString
+ }
+
+};
+
+
+YAHOO.lang.extend(YAHOO.widget.Menu, YAHOO.widget.Overlay, {
+
+
+// Constants
+
+
+/**
+* @property CSS_CLASS_NAME
+* @description String representing the CSS class(es) to be applied to the
+* menu's <code><div></code> element.
+* @default "yuimenu"
+* @final
+* @type String
+*/
+CSS_CLASS_NAME: "yuimenu",
+
+
+/**
+* @property ITEM_TYPE
+* @description Object representing the type of menu item to instantiate and
+* add when parsing the child nodes (either <code><li></code> element,
+* <code><optgroup></code> element or <code><option></code>)
+* of the menu's source HTML element.
+* @default YAHOO.widget.MenuItem
+* @final
+* @type YAHOO.widget.MenuItem
+*/
+ITEM_TYPE: null,
+
+
+/**
+* @property GROUP_TITLE_TAG_NAME
+* @description String representing the tagname of the HTML element used to
+* title the menu's item groups.
+* @default H6
+* @final
+* @type String
+*/
+GROUP_TITLE_TAG_NAME: "h6",
+
+
+
+// Private properties
+
+
+/**
+* @property _nHideDelayId
+* @description Number representing the time-out setting used to cancel the
+* hiding of a menu.
+* @default null
+* @private
+* @type Number
+*/
+_nHideDelayId: null,
+
+
+/**
+* @property _nShowDelayId
+* @description Number representing the time-out setting used to cancel the
+* showing of a menu.
+* @default null
+* @private
+* @type Number
+*/
+_nShowDelayId: null,
+
+
+/**
+* @property _nSubmenuHideDelayId
+* @description Number representing the time-out setting used to cancel the
+* hiding of a submenu.
+* @default null
+* @private
+* @type Number
+*/
+_nSubmenuHideDelayId: null,
+
+
+/**
+* @property _nBodyScrollId
+* @description Number representing the time-out setting used to cancel the
+* scrolling of the menu's body element.
+* @default null
+* @private
+* @type Number
+*/
+_nBodyScrollId: null,
+
+
+/**
+* @property _bHideDelayEventHandlersAssigned
+* @description Boolean indicating if the "mouseover" and "mouseout" event
+* handlers used for hiding the menu via a call to "window.setTimeout" have
+* already been assigned.
+* @default false
+* @private
+* @type Boolean
+*/
+_bHideDelayEventHandlersAssigned: false,
+
+
+/**
+* @property _bHandledMouseOverEvent
+* @description Boolean indicating the current state of the menu's
+* "mouseover" event.
+* @default false
+* @private
+* @type Boolean
+*/
+_bHandledMouseOverEvent: false,
+
+
+/**
+* @property _bHandledMouseOutEvent
+* @description Boolean indicating the current state of the menu's
+* "mouseout" event.
+* @default false
+* @private
+* @type Boolean
+*/
+_bHandledMouseOutEvent: false,
+
+
+/**
+* @property _aGroupTitleElements
+* @description Array of HTML element used to title groups of menu items.
+* @default []
+* @private
+* @type Array
+*/
+_aGroupTitleElements: null,
+
+
+/**
+* @property _aItemGroups
+* @description Multi-dimensional Array representing the menu items as they
+* are grouped in the menu.
+* @default []
+* @private
+* @type Array
+*/
+_aItemGroups: null,
+
+
+/**
+* @property _aListElements
+* @description Array of <code><ul></code> elements, each of which is
+* the parent node for each item's <code><li></code> element.
+* @default []
+* @private
+* @type Array
+*/
+_aListElements: null,
+
+
+/**
+* @property _nCurrentMouseX
+* @description The current x coordinate of the mouse inside the area of
+* the menu.
+* @default 0
+* @private
+* @type Number
+*/
+_nCurrentMouseX: 0,
+
+
+/**
+* @property _nMaxHeight
+* @description The original value of the "maxheight" configuration property
+* as set by the user.
+* @default -1
+* @private
+* @type Number
+*/
+_nMaxHeight: -1,
+
+
+/**
+* @property _bStopMouseEventHandlers
+* @description Stops "mouseover," "mouseout," and "mousemove" event handlers
+* from executing.
+* @default false
+* @private
+* @type Boolean
+*/
+_bStopMouseEventHandlers: false,
+
+
+/**
+* @property _sClassName
+* @description The current value of the "classname" configuration attribute.
+* @default null
+* @private
+* @type String
+*/
+_sClassName: null,
+
+
+
+// Public properties
+
+
+/**
+* @property lazyLoad
+* @description Boolean indicating if the menu's "lazy load" feature is
+* enabled. If set to "true," initialization and rendering of the menu's
+* items will be deferred until the first time it is made visible. This
+* property should be set via the constructor using the configuration
+* object literal.
+* @default false
+* @type Boolean
+*/
+lazyLoad: false,
+
+
+/**
+* @property itemData
+* @description Array of items to be added to the menu. The array can contain
+* strings representing the text for each item to be created, object literals
+* representing the menu item configuration properties, or MenuItem instances.
+* This property should be set via the constructor using the configuration
+* object literal.
+* @default null
+* @type Array
+*/
+itemData: null,
+
+
+/**
+* @property activeItem
+* @description Object reference to the item in the menu that has is selected.
+* @default null
+* @type YAHOO.widget.MenuItem
+*/
+activeItem: null,
+
+
+/**
+* @property parent
+* @description Object reference to the menu's parent menu or menu item.
+* This property can be set via the constructor using the configuration
+* object literal.
+* @default null
+* @type YAHOO.widget.MenuItem
+*/
+parent: null,
+
+
+/**
+* @property srcElement
+* @description Object reference to the HTML element (either
+* <code><select></code> or <code><div></code>) used to
+* create the menu.
+* @default null
+* @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+* level-one-html.html#ID-94282980">HTMLSelectElement</a>|<a
+* href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-html.
+* html#ID-22445964">HTMLDivElement</a>
+*/
+srcElement: null,
+
+
+
+// Events
+
+
+/**
+* @event mouseOverEvent
+* @description Fires when the mouse has entered the menu. Passes back
+* the DOM Event object as an argument.
+*/
+mouseOverEvent: null,
+
+
+/**
+* @event mouseOutEvent
+* @description Fires when the mouse has left the menu. Passes back the DOM
+* Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+mouseOutEvent: null,
+
+
+/**
+* @event mouseDownEvent
+* @description Fires when the user mouses down on the menu. Passes back the
+* DOM Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+mouseDownEvent: null,
+
+
+/**
+* @event mouseUpEvent
+* @description Fires when the user releases a mouse button while the mouse is
+* over the menu. Passes back the DOM Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+mouseUpEvent: null,
+
+
+/**
+* @event clickEvent
+* @description Fires when the user clicks the on the menu. Passes back the
+* DOM Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+clickEvent: null,
+
+
+/**
+* @event keyPressEvent
+* @description Fires when the user presses an alphanumeric key when one of the
+* menu's items has focus. Passes back the DOM Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+keyPressEvent: null,
+
+
+/**
+* @event keyDownEvent
+* @description Fires when the user presses a key when one of the menu's items
+* has focus. Passes back the DOM Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+keyDownEvent: null,
+
+
+/**
+* @event keyUpEvent
+* @description Fires when the user releases a key when one of the menu's items
+* has focus. Passes back the DOM Event object as an argument.
+* @type YAHOO.util.CustomEvent
+*/
+keyUpEvent: null,
+
+
+/**
+* @event itemAddedEvent
+* @description Fires when an item is added to the menu.
+* @type YAHOO.util.CustomEvent
+*/
+itemAddedEvent: null,
+
+
+/**
+* @event itemRemovedEvent
+* @description Fires when an item is removed to the menu.
+* @type YAHOO.util.CustomEvent
+*/
+itemRemovedEvent: null,
+
+
+/**
+* @method init
+* @description The Menu class's initialization method. This method is
+* automatically called by the constructor, and sets up all DOM references
+* for pre-existing markup, and creates required markup if it is not
+* already present.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><div></code> element of the menu.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><select></code> element to be used as the data source
+* for the menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+* level-one-html.html#ID-22445964">HTMLDivElement</a>} p_oElement Object
+* specifying the <code><div></code> element of the menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+* level-one-html.html#ID-94282980">HTMLSelectElement</a>} p_oElement
+* Object specifying the <code><select></code> element to be used as
+* the data source for the menu.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu. See configuration class documentation for
+* more details.
+*/
+init: function(p_oElement, p_oConfig) {
+
+ this._aItemGroups = [];
+ this._aListElements = [];
+ this._aGroupTitleElements = [];
+
+ if(!this.ITEM_TYPE) {
+
+ this.ITEM_TYPE = YAHOO.widget.MenuItem;
+
+ }
+
+
+ var oElement;
+
+ if(typeof p_oElement == "string") {
+
+ oElement = document.getElementById(p_oElement);
+
+ }
+ else if(p_oElement.tagName) {
+
+ oElement = p_oElement;
+
+ }
+
+
+ if(oElement && oElement.tagName) {
+
+ switch(oElement.tagName.toUpperCase()) {
+
+ case "DIV":
+
+ this.srcElement = oElement;
+
+ if(!oElement.id) {
+
+ oElement.setAttribute("id", Dom.generateId());
+
+ }
+
+
+ /*
+ Note: we don't pass the user config in here yet
+ because we only want it executed once, at the lowest
+ subclass level.
+ */
+
+ YAHOO.widget.Menu.superclass.init.call(this, oElement);
+
+ this.beforeInitEvent.fire(YAHOO.widget.Menu);
+
+
+
+ break;
+
+ case "SELECT":
+
+ this.srcElement = oElement;
+
+
+ /*
+ The source element is not something that we can use
+ outright, so we need to create a new Overlay
+
+ Note: we don't pass the user config in here yet
+ because we only want it executed once, at the lowest
+ subclass level.
+ */
+
+ YAHOO.widget.Menu.superclass.init.call(this, Dom.generateId());
+
+ this.beforeInitEvent.fire(YAHOO.widget.Menu);
+
+
+
+ break;
+
+ }
+
+ }
+ else {
+
+ /*
+ Note: we don't pass the user config in here yet
+ because we only want it executed once, at the lowest
+ subclass level.
+ */
+
+ YAHOO.widget.Menu.superclass.init.call(this, p_oElement);
+
+ this.beforeInitEvent.fire(YAHOO.widget.Menu);
+
+
+
+ }
+
+
+ if(this.element) {
+
+ var oEl = this.element;
+
+ Dom.addClass(oEl, this.CSS_CLASS_NAME);
+
+
+ // Subscribe to Custom Events
+
+ this.initEvent.subscribe(this._onInit, this, true);
+ this.beforeRenderEvent.subscribe(this._onBeforeRender, this, true);
+ this.renderEvent.subscribe(this._onRender);
+ this.beforeShowEvent.subscribe(this._onBeforeShow, this, true);
+ this.showEvent.subscribe(this._onShow, this, true);
+ this.beforeHideEvent.subscribe(this._onBeforeHide, this, true);
+ this.hideEvent.subscribe(this._onHide, this, true);
+ this.mouseOverEvent.subscribe(this._onMouseOver, this, true);
+ this.mouseOutEvent.subscribe(this._onMouseOut, this, true);
+ this.clickEvent.subscribe(this._onClick, this, true);
+ this.keyDownEvent.subscribe(this._onKeyDown, this, true);
+ this.keyPressEvent.subscribe(this._onKeyPress, this, true);
+
+ YAHOO.widget.Module.textResizeEvent.subscribe(
+ this._onTextResize,
+ this,
+ true
+ );
+
+
+ if(p_oConfig) {
+
+ this.cfg.applyConfig(p_oConfig, true);
+
+ }
+
+
+ // Register the Menu instance with the MenuManager
+
+ YAHOO.widget.MenuManager.addMenu(this);
+
+
+ this.initEvent.fire(YAHOO.widget.Menu);
+
+ }
+
+},
+
+
+
+// Private methods
+
+
+/**
+* @method _initSubTree
+* @description Iterates the childNodes of the source element to find nodes
+* used to instantiate menu and menu items.
+* @private
+*/
+_initSubTree: function() {
+
+ var oNode;
+
+ if(this.srcElement.tagName.toUpperCase() == "DIV") {
+
+ /*
+ Populate the collection of item groups and item
+ group titles
+ */
+
+ oNode = this.body.firstChild;
+
+ var nGroup = 0,
+ sGroupTitleTagName = this.GROUP_TITLE_TAG_NAME.toUpperCase();
+
+ do {
+
+ if(oNode && oNode.tagName) {
+
+ switch(oNode.tagName.toUpperCase()) {
+
+ case sGroupTitleTagName:
+
+ this._aGroupTitleElements[nGroup] = oNode;
+
+ break;
+
+ case "UL":
+
+ this._aListElements[nGroup] = oNode;
+ this._aItemGroups[nGroup] = [];
+ nGroup++;
+
+ break;
+
+ }
+
+ }
+
+ }
+ while((oNode = oNode.nextSibling));
+
+
+ /*
+ Apply the "first-of-type" class to the first UL to mimic
+ the "first-of-type" CSS3 psuedo class.
+ */
+
+ if(this._aListElements[0]) {
+
+ Dom.addClass(this._aListElements[0], "first-of-type");
+
+ }
+
+ }
+
+
+ oNode = null;
+
+
+ if(this.srcElement.tagName) {
+
+ var sSrcElementTagName = this.srcElement.tagName.toUpperCase();
+
+
+ switch(sSrcElementTagName) {
+
+ case "DIV":
+
+ if(this._aListElements.length > 0) {
+
+
+ var i = this._aListElements.length - 1;
+
+ do {
+
+ oNode = this._aListElements[i].firstChild;
+
+
+ do {
+
+ if(
+ oNode &&
+ oNode.tagName &&
+ oNode.tagName.toUpperCase() == "LI"
+ ) {
+
+
+ this.addItem(
+ new this.ITEM_TYPE(
+ oNode,
+ { parent: this }
+ ),
+ i
+ );
+
+ }
+
+ }
+ while((oNode = oNode.nextSibling));
+
+ }
+ while(i--);
+
+ }
+
+ break;
+
+ case "SELECT":
+
+
+ oNode = this.srcElement.firstChild;
+
+ do {
+
+ if(oNode && oNode.tagName) {
+
+ switch(oNode.tagName.toUpperCase()) {
+
+ case "OPTGROUP":
+ case "OPTION":
+
+
+ this.addItem(
+ new this.ITEM_TYPE(
+ oNode,
+ { parent: this }
+ )
+ );
+
+ break;
+
+ }
+
+ }
+
+ }
+ while((oNode = oNode.nextSibling));
+
+ break;
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _getFirstEnabledItem
+* @description Returns the first enabled item in the menu.
+* @return {YAHOO.widget.MenuItem}
+* @private
+*/
+_getFirstEnabledItem: function() {
+
+ var aItems = this.getItems(),
+ nItems = aItems.length,
+ oItem;
+
+ for(var i=0; i<nItems; i++) {
+
+ oItem = aItems[i];
+
+ if(
+ oItem &&
+ !oItem.cfg.getProperty("disabled") &&
+ oItem.element.style.display != "none"
+ ) {
+
+ return oItem;
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _addItemToGroup
+* @description Adds a menu item to a group.
+* @private
+* @param {Number} p_nGroupIndex Number indicating the group to which the
+* item belongs.
+* @param {YAHOO.widget.MenuItem} p_oItem Object reference for the MenuItem
+* instance to be added to the menu.
+* @param {String} p_oItem String specifying the text of the item to be added
+* to the menu.
+* @param {Object} p_oItem Object literal containing a set of menu item
+* configuration properties.
+* @param {Number} p_nItemIndex Optional. Number indicating the index at
+* which the menu item should be added.
+* @return {YAHOO.widget.MenuItem}
+*/
+_addItemToGroup: function(p_nGroupIndex, p_oItem, p_nItemIndex) {
+
+ var oItem;
+
+ if(p_oItem instanceof this.ITEM_TYPE) {
+
+ oItem = p_oItem;
+ oItem.parent = this;
+
+ }
+ else if(typeof p_oItem == "string") {
+
+ oItem = new this.ITEM_TYPE(p_oItem, { parent: this });
+
+ }
+ else if(typeof p_oItem == "object") {
+
+ p_oItem.parent = this;
+
+ oItem = new this.ITEM_TYPE(p_oItem.text, p_oItem);
+
+ }
+
+
+ if(oItem) {
+
+ if (oItem.cfg.getProperty("selected")) {
+
+ this.activeItem = oItem;
+
+ }
+
+
+ var nGroupIndex = typeof p_nGroupIndex == "number" ? p_nGroupIndex : 0,
+ aGroup = this._getItemGroup(nGroupIndex),
+ oGroupItem;
+
+
+ if(!aGroup) {
+
+ aGroup = this._createItemGroup(nGroupIndex);
+
+ }
+
+
+ if(typeof p_nItemIndex == "number") {
+
+ var bAppend = (p_nItemIndex >= aGroup.length);
+
+
+ if(aGroup[p_nItemIndex]) {
+
+ aGroup.splice(p_nItemIndex, 0, oItem);
+
+ }
+ else {
+
+ aGroup[p_nItemIndex] = oItem;
+
+ }
+
+
+ oGroupItem = aGroup[p_nItemIndex];
+
+ if(oGroupItem) {
+
+ if(
+ bAppend &&
+ (
+ !oGroupItem.element.parentNode ||
+ oGroupItem.element.parentNode.nodeType == 11
+ )
+ ) {
+
+ this._aListElements[nGroupIndex].appendChild(
+ oGroupItem.element
+ );
+
+ }
+ else {
+
+ function getNextItemSibling(p_aArray, p_nStartIndex) {
+
+ return (
+ p_aArray[p_nStartIndex] ||
+ getNextItemSibling(
+ p_aArray,
+ (p_nStartIndex+1)
+ )
+ );
+
+ }
+
+
+ var oNextItemSibling =
+ getNextItemSibling(aGroup, (p_nItemIndex+1));
+
+ if(
+ oNextItemSibling &&
+ (
+ !oGroupItem.element.parentNode ||
+ oGroupItem.element.parentNode.nodeType == 11
+ )
+ ) {
+
+ this._aListElements[nGroupIndex].insertBefore(
+ oGroupItem.element,
+ oNextItemSibling.element
+ );
+
+ }
+
+ }
+
+
+ oGroupItem.parent = this;
+
+ this._subscribeToItemEvents(oGroupItem);
+
+ this._configureSubmenu(oGroupItem);
+
+ this._updateItemProperties(nGroupIndex);
+
+
+ this.itemAddedEvent.fire(oGroupItem);
+
+ return oGroupItem;
+
+ }
+
+ }
+ else {
+
+ var nItemIndex = aGroup.length;
+
+ aGroup[nItemIndex] = oItem;
+
+ oGroupItem = aGroup[nItemIndex];
+
+
+ if(oGroupItem) {
+
+ if(
+ !Dom.isAncestor(
+ this._aListElements[nGroupIndex],
+ oGroupItem.element
+ )
+ ) {
+
+ this._aListElements[nGroupIndex].appendChild(
+ oGroupItem.element
+ );
+
+ }
+
+ oGroupItem.element.setAttribute("groupindex", nGroupIndex);
+ oGroupItem.element.setAttribute("index", nItemIndex);
+
+ oGroupItem.parent = this;
+
+ oGroupItem.index = nItemIndex;
+ oGroupItem.groupIndex = nGroupIndex;
+
+ this._subscribeToItemEvents(oGroupItem);
+
+ this._configureSubmenu(oGroupItem);
+
+ if(nItemIndex === 0) {
+
+ Dom.addClass(oGroupItem.element, "first-of-type");
+
+ }
+
+
+
+ this.itemAddedEvent.fire(oGroupItem);
+
+ return oGroupItem;
+
+ }
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _removeItemFromGroupByIndex
+* @description Removes a menu item from a group by index. Returns the menu
+* item that was removed.
+* @private
+* @param {Number} p_nGroupIndex Number indicating the group to which the menu
+* item belongs.
+* @param {Number} p_nItemIndex Number indicating the index of the menu item
+* to be removed.
+* @return {YAHOO.widget.MenuItem}
+*/
+_removeItemFromGroupByIndex: function(p_nGroupIndex, p_nItemIndex) {
+
+ var nGroupIndex = typeof p_nGroupIndex == "number" ? p_nGroupIndex : 0,
+ aGroup = this._getItemGroup(nGroupIndex);
+
+ if(aGroup) {
+
+ var aArray = aGroup.splice(p_nItemIndex, 1),
+ oItem = aArray[0];
+
+ if(oItem) {
+
+ // Update the index and className properties of each member
+
+ this._updateItemProperties(nGroupIndex);
+
+ if(aGroup.length === 0) {
+
+ // Remove the UL
+
+ var oUL = this._aListElements[nGroupIndex];
+
+ if(this.body && oUL) {
+
+ this.body.removeChild(oUL);
+
+ }
+
+ // Remove the group from the array of items
+
+ this._aItemGroups.splice(nGroupIndex, 1);
+
+
+ // Remove the UL from the array of ULs
+
+ this._aListElements.splice(nGroupIndex, 1);
+
+
+ /*
+ Assign the "first-of-type" class to the new first UL
+ in the collection
+ */
+
+ oUL = this._aListElements[0];
+
+ if(oUL) {
+
+ Dom.addClass(oUL, "first-of-type");
+
+ }
+
+ }
+
+
+ this.itemRemovedEvent.fire(oItem);
+
+
+ // Return a reference to the item that was removed
+
+ return oItem;
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _removeItemFromGroupByValue
+* @description Removes a menu item from a group by reference. Returns the
+* menu item that was removed.
+* @private
+* @param {Number} p_nGroupIndex Number indicating the group to which the
+* menu item belongs.
+* @param {YAHOO.widget.MenuItem} p_oItem Object reference for the MenuItem
+* instance to be removed.
+* @return {YAHOO.widget.MenuItem}
+*/
+_removeItemFromGroupByValue: function(p_nGroupIndex, p_oItem) {
+
+ var aGroup = this._getItemGroup(p_nGroupIndex);
+
+ if(aGroup) {
+
+ var nItems = aGroup.length,
+ nItemIndex = -1;
+
+ if(nItems > 0) {
+
+ var i = nItems-1;
+
+ do {
+
+ if(aGroup[i] == p_oItem) {
+
+ nItemIndex = i;
+ break;
+
+ }
+
+ }
+ while(i--);
+
+ if(nItemIndex > -1) {
+
+ return this._removeItemFromGroupByIndex(
+ p_nGroupIndex,
+ nItemIndex
+ );
+
+ }
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _updateItemProperties
+* @description Updates the "index," "groupindex," and "className" properties
+* of the menu items in the specified group.
+* @private
+* @param {Number} p_nGroupIndex Number indicating the group of items to update.
+*/
+_updateItemProperties: function(p_nGroupIndex) {
+
+ var aGroup = this._getItemGroup(p_nGroupIndex),
+ nItems = aGroup.length;
+
+ if(nItems > 0) {
+
+ var i = nItems - 1,
+ oItem,
+ oLI;
+
+ // Update the index and className properties of each member
+
+ do {
+
+ oItem = aGroup[i];
+
+ if(oItem) {
+
+ oLI = oItem.element;
+
+ oItem.index = i;
+ oItem.groupIndex = p_nGroupIndex;
+
+ oLI.setAttribute("groupindex", p_nGroupIndex);
+ oLI.setAttribute("index", i);
+
+ Dom.removeClass(oLI, "first-of-type");
+
+ }
+
+ }
+ while(i--);
+
+
+ if(oLI) {
+
+ Dom.addClass(oLI, "first-of-type");
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _createItemGroup
+* @description Creates a new menu item group (array) and its associated
+* <code><ul></code> element. Returns an aray of menu item groups.
+* @private
+* @param {Number} p_nIndex Number indicating the group to create.
+* @return {Array}
+*/
+_createItemGroup: function(p_nIndex) {
+
+ if(!this._aItemGroups[p_nIndex]) {
+
+ this._aItemGroups[p_nIndex] = [];
+
+ var oUL = document.createElement("ul");
+
+ this._aListElements[p_nIndex] = oUL;
+
+ return this._aItemGroups[p_nIndex];
+
+ }
+
+},
+
+
+/**
+* @method _getItemGroup
+* @description Returns the menu item group at the specified index.
+* @private
+* @param {Number} p_nIndex Number indicating the index of the menu item group
+* to be retrieved.
+* @return {Array}
+*/
+_getItemGroup: function(p_nIndex) {
+
+ var nIndex = ((typeof p_nIndex == "number") ? p_nIndex : 0);
+
+ return this._aItemGroups[nIndex];
+
+},
+
+
+/**
+* @method _configureSubmenu
+* @description Subscribes the menu item's submenu to its parent menu's events.
+* @private
+* @param {YAHOO.widget.MenuItem} p_oItem Object reference for the MenuItem
+* instance with the submenu to be configured.
+*/
+_configureSubmenu: function(p_oItem) {
+
+ var oSubmenu = p_oItem.cfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ /*
+ Listen for configuration changes to the parent menu
+ so they they can be applied to the submenu.
+ */
+
+ this.cfg.configChangedEvent.subscribe(
+ this._onParentMenuConfigChange,
+ oSubmenu,
+ true
+ );
+
+ this.renderEvent.subscribe(
+ this._onParentMenuRender,
+ oSubmenu,
+ true
+ );
+
+ oSubmenu.beforeShowEvent.subscribe(
+ this._onSubmenuBeforeShow,
+ oSubmenu,
+ true
+ );
+
+ oSubmenu.showEvent.subscribe(this._onSubmenuShow, null, p_oItem);
+ oSubmenu.hideEvent.subscribe(this._onSubmenuHide, null, p_oItem);
+
+ }
+
+},
+
+
+/**
+* @method _subscribeToItemEvents
+* @description Subscribes a menu to a menu item's event.
+* @private
+* @param {YAHOO.widget.MenuItem} p_oItem Object reference for the MenuItem
+* instance whose events should be subscribed to.
+*/
+_subscribeToItemEvents: function(p_oItem) {
+
+ p_oItem.focusEvent.subscribe(this._onMenuItemFocus);
+
+ p_oItem.blurEvent.subscribe(this._onMenuItemBlur);
+
+ p_oItem.cfg.configChangedEvent.subscribe(
+ this._onMenuItemConfigChange,
+ p_oItem,
+ this
+ );
+
+},
+
+
+/**
+* @method _getOffsetWidth
+* @description Returns the offset width of the menu's
+* <code><div></code> element.
+* @private
+*/
+_getOffsetWidth: function() {
+
+ var oClone = this.element.cloneNode(true);
+
+ Dom.setStyle(oClone, "width", "");
+
+ document.body.appendChild(oClone);
+
+ var sWidth = oClone.offsetWidth;
+
+ document.body.removeChild(oClone);
+
+ return sWidth;
+
+},
+
+
+/**
+* @method _setWidth
+* @description Sets the width of the menu's root <code><div></code>
+* element to its offsetWidth.
+* @private
+*/
+_setWidth: function() {
+
+ var sWidth;
+
+ if (this.element.parentNode.tagName.toUpperCase() == "BODY") {
+
+ if (this.browser == "opera") {
+
+ sWidth = this._getOffsetWidth();
+
+ }
+ else {
+
+ Dom.setStyle(this.element, "width", "auto");
+
+ sWidth = this.element.offsetWidth;
+
+ }
+
+ }
+ else {
+
+ sWidth = this._getOffsetWidth();
+
+ }
+
+ this.cfg.setProperty("width", (sWidth + "px"));
+
+},
+
+
+/**
+* @method _onWidthChange
+* @description Change event handler for the the menu's "width" configuration
+* property.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onWidthChange: function(p_sType, p_aArgs) {
+
+ var sWidth = p_aArgs[0];
+
+ if (sWidth && !this._hasSetWidthHandlers) {
+
+ this.itemAddedEvent.subscribe(this._setWidth);
+ this.itemRemovedEvent.subscribe(this._setWidth);
+
+ this._hasSetWidthHandlers = true;
+
+ }
+ else if (this._hasSetWidthHandlers) {
+
+ this.itemAddedEvent.unsubscribe(this._setWidth);
+ this.itemRemovedEvent.unsubscribe(this._setWidth);
+
+ this._hasSetWidthHandlers = false;
+
+ }
+
+},
+
+
+/**
+* @method _onVisibleChange
+* @description Change event handler for the the menu's "visible" configuration
+* property.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onVisibleChange: function(p_sType, p_aArgs) {
+
+ var bVisible = p_aArgs[0];
+
+ if (bVisible) {
+
+ Dom.addClass(this.element, "visible");
+
+ }
+ else {
+
+ Dom.removeClass(this.element, "visible");
+
+ }
+
+},
+
+
+/**
+* @method _cancelHideDelay
+* @description Cancels the call to "hideMenu."
+* @private
+*/
+_cancelHideDelay: function() {
+
+ var oRoot = this.getRoot();
+
+ if(oRoot._nHideDelayId) {
+
+ window.clearTimeout(oRoot._nHideDelayId);
+
+ }
+
+},
+
+
+/**
+* @method _execHideDelay
+* @description Hides the menu after the number of milliseconds specified by
+* the "hidedelay" configuration property.
+* @private
+*/
+_execHideDelay: function() {
+
+ this._cancelHideDelay();
+
+ var oRoot = this.getRoot(),
+ me = this;
+
+ function hideMenu() {
+
+ if(oRoot.activeItem) {
+
+ oRoot.clearActiveItem();
+
+ }
+
+ if(oRoot == me && me.cfg.getProperty("position") == "dynamic") {
+
+ me.hide();
+
+ }
+
+ }
+
+
+ oRoot._nHideDelayId =
+ window.setTimeout(hideMenu, oRoot.cfg.getProperty("hidedelay"));
+
+},
+
+
+/**
+* @method _cancelShowDelay
+* @description Cancels the call to the "showMenu."
+* @private
+*/
+_cancelShowDelay: function() {
+
+ var oRoot = this.getRoot();
+
+ if(oRoot._nShowDelayId) {
+
+ window.clearTimeout(oRoot._nShowDelayId);
+
+ }
+
+},
+
+
+/**
+* @method _execShowDelay
+* @description Shows the menu after the number of milliseconds specified by
+* the "showdelay" configuration property have ellapsed.
+* @private
+* @param {YAHOO.widget.Menu} p_oMenu Object specifying the menu that should
+* be made visible.
+*/
+_execShowDelay: function(p_oMenu) {
+
+ var oRoot = this.getRoot();
+
+ function showMenu() {
+
+ if(p_oMenu.parent.cfg.getProperty("selected")) {
+
+ p_oMenu.show();
+
+ }
+
+ }
+
+
+ oRoot._nShowDelayId =
+ window.setTimeout(showMenu, oRoot.cfg.getProperty("showdelay"));
+
+},
+
+
+/**
+* @method _execSubmenuHideDelay
+* @description Hides a submenu after the number of milliseconds specified by
+* the "submenuhidedelay" configuration property have ellapsed.
+* @private
+* @param {YAHOO.widget.Menu} p_oSubmenu Object specifying the submenu that
+* should be hidden.
+* @param {Number} p_nMouseX The x coordinate of the mouse when it left
+* the specified submenu's parent menu item.
+* @param {Number} p_nHideDelay The number of milliseconds that should ellapse
+* before the submenu is hidden.
+*/
+_execSubmenuHideDelay: function(p_oSubmenu, p_nMouseX, p_nHideDelay) {
+
+ var me = this;
+
+ p_oSubmenu._nSubmenuHideDelayId = window.setTimeout(function () {
+
+ if(me._nCurrentMouseX > (p_nMouseX + 10)) {
+
+ p_oSubmenu._nSubmenuHideDelayId = window.setTimeout(function () {
+
+ p_oSubmenu.hide();
+
+ }, p_nHideDelay);
+
+ }
+ else {
+
+ p_oSubmenu.hide();
+
+ }
+
+ }, 50);
+
+},
+
+
+
+// Protected methods
+
+
+/**
+* @method _disableScrollHeader
+* @description Disables the header used for scrolling the body of the menu.
+* @protected
+*/
+_disableScrollHeader: function() {
+
+ if(!this._bHeaderDisabled) {
+
+ Dom.addClass(this.header, "topscrollbar_disabled");
+ this._bHeaderDisabled = true;
+
+ }
+
+},
+
+
+/**
+* @method _disableScrollFooter
+* @description Disables the footer used for scrolling the body of the menu.
+* @protected
+*/
+_disableScrollFooter: function() {
+
+ if(!this._bFooterDisabled) {
+
+ Dom.addClass(this.footer, "bottomscrollbar_disabled");
+ this._bFooterDisabled = true;
+
+ }
+
+},
+
+
+/**
+* @method _enableScrollHeader
+* @description Enables the header used for scrolling the body of the menu.
+* @protected
+*/
+_enableScrollHeader: function() {
+
+ if(this._bHeaderDisabled) {
+
+ Dom.removeClass(this.header, "topscrollbar_disabled");
+ this._bHeaderDisabled = false;
+
+ }
+
+},
+
+
+/**
+* @method _enableScrollFooter
+* @description Enables the footer used for scrolling the body of the menu.
+* @protected
+*/
+_enableScrollFooter: function() {
+
+ if(this._bFooterDisabled) {
+
+ Dom.removeClass(this.footer, "bottomscrollbar_disabled");
+ this._bFooterDisabled = false;
+
+ }
+
+},
+
+
+/**
+* @method _onMouseOver
+* @description "mouseover" event handler for the menu.
+* @protected
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onMouseOver: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this._bStopMouseEventHandlers) {
+
+ return false;
+
+ }
+
+
+ var oEvent = p_aArgs[0],
+ oItem = p_aArgs[1],
+ oTarget = Event.getTarget(oEvent);
+
+
+ if(
+ !this._bHandledMouseOverEvent &&
+ (oTarget == this.element || Dom.isAncestor(this.element, oTarget))
+ ) {
+
+ // Menu mouseover logic
+
+ this._nCurrentMouseX = 0;
+
+ Event.on(
+ this.element,
+ "mousemove",
+ this._onMouseMove,
+ this,
+ true
+ );
+
+
+ this.clearActiveItem();
+
+
+ if(this.parent && this._nSubmenuHideDelayId) {
+
+ window.clearTimeout(this._nSubmenuHideDelayId);
+
+ this.parent.cfg.setProperty("selected", true);
+
+ var oParentMenu = this.parent.parent;
+
+ oParentMenu._bHandledMouseOutEvent = true;
+ oParentMenu._bHandledMouseOverEvent = false;
+
+ }
+
+
+ this._bHandledMouseOverEvent = true;
+ this._bHandledMouseOutEvent = false;
+
+ }
+
+
+ if(
+ oItem && !oItem.handledMouseOverEvent &&
+ !oItem.cfg.getProperty("disabled") &&
+ (oTarget == oItem.element || Dom.isAncestor(oItem.element, oTarget))
+ ) {
+
+ // Menu Item mouseover logic
+
+ var nShowDelay = this.cfg.getProperty("showdelay"),
+ bShowDelay = (nShowDelay > 0);
+
+
+ if(bShowDelay) {
+
+ this._cancelShowDelay();
+
+ }
+
+
+ var oActiveItem = this.activeItem;
+
+ if(oActiveItem) {
+
+ oActiveItem.cfg.setProperty("selected", false);
+
+ }
+
+
+ var oItemCfg = oItem.cfg;
+
+ // Select and focus the current menu item
+
+ oItemCfg.setProperty("selected", true);
+
+
+ if (this.hasFocus()) {
+
+ oItem.focus();
+
+ }
+
+
+ if(this.cfg.getProperty("autosubmenudisplay")) {
+
+ // Show the submenu this menu item
+
+ var oSubmenu = oItemCfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ if(bShowDelay) {
+
+ this._execShowDelay(oSubmenu);
+
+ }
+ else {
+
+ oSubmenu.show();
+
+ }
+
+ }
+
+ }
+
+ oItem.handledMouseOverEvent = true;
+ oItem.handledMouseOutEvent = false;
+
+ }
+
+},
+
+
+/**
+* @method _onMouseOut
+* @description "mouseout" event handler for the menu.
+* @protected
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onMouseOut: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this._bStopMouseEventHandlers) {
+
+ return false;
+
+ }
+
+
+ var oEvent = p_aArgs[0],
+ oItem = p_aArgs[1],
+ oRelatedTarget = Event.getRelatedTarget(oEvent),
+ bMovingToSubmenu = false;
+
+
+ if(oItem && !oItem.cfg.getProperty("disabled")) {
+
+ var oItemCfg = oItem.cfg,
+ oSubmenu = oItemCfg.getProperty("submenu");
+
+
+ if(
+ oSubmenu &&
+ (
+ oRelatedTarget == oSubmenu.element ||
+ Dom.isAncestor(oSubmenu.element, oRelatedTarget)
+ )
+ ) {
+
+ bMovingToSubmenu = true;
+
+ }
+
+
+ if(
+ !oItem.handledMouseOutEvent &&
+ (
+ (
+ oRelatedTarget != oItem.element &&
+ !Dom.isAncestor(oItem.element, oRelatedTarget)
+ ) || bMovingToSubmenu
+ )
+ ) {
+
+ // Menu Item mouseout logic
+
+ if(!bMovingToSubmenu) {
+
+ oItem.cfg.setProperty("selected", false);
+
+
+ if(oSubmenu) {
+
+ var nSubmenuHideDelay =
+ this.cfg.getProperty("submenuhidedelay"),
+
+ nShowDelay = this.cfg.getProperty("showdelay");
+
+ if(
+ !(this instanceof YAHOO.widget.MenuBar) &&
+ nSubmenuHideDelay > 0 &&
+ nShowDelay >= nSubmenuHideDelay
+ ) {
+
+ this._execSubmenuHideDelay(
+ oSubmenu,
+ Event.getPageX(oEvent),
+ nSubmenuHideDelay
+ );
+
+ }
+ else {
+
+ oSubmenu.hide();
+
+ }
+
+ }
+
+ }
+
+
+ oItem.handledMouseOutEvent = true;
+ oItem.handledMouseOverEvent = false;
+
+ }
+
+ }
+
+
+ if(
+ !this._bHandledMouseOutEvent &&
+ (
+ (
+ oRelatedTarget != this.element &&
+ !Dom.isAncestor(this.element, oRelatedTarget)
+ )
+ || bMovingToSubmenu
+ )
+ ) {
+
+ // Menu mouseout logic
+
+ Event.removeListener(this.element, "mousemove", this._onMouseMove);
+
+ this._nCurrentMouseX = Event.getPageX(oEvent);
+
+ this._bHandledMouseOutEvent = true;
+ this._bHandledMouseOverEvent = false;
+
+ }
+
+},
+
+
+/**
+* @method _onMouseMove
+* @description "click" event handler for the menu.
+* @protected
+* @param {Event} p_oEvent Object representing the DOM event object passed
+* back by the event utility (YAHOO.util.Event).
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onMouseMove: function(p_oEvent, p_oMenu) {
+
+ if(this._bStopMouseEventHandlers) {
+
+ return false;
+
+ }
+
+ this._nCurrentMouseX = Event.getPageX(p_oEvent);
+
+},
+
+
+/**
+* @method _onClick
+* @description "click" event handler for the menu.
+* @protected
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onClick: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oEvent = p_aArgs[0],
+ oItem = p_aArgs[1],
+ oTarget = Event.getTarget(oEvent);
+
+ if(oItem && !oItem.cfg.getProperty("disabled")) {
+
+ var oItemCfg = oItem.cfg,
+ oSubmenu = oItemCfg.getProperty("submenu");
+
+
+ /*
+ ACCESSIBILITY FEATURE FOR SCREEN READERS:
+ Expand/collapse the submenu when the user clicks
+ on the submenu indicator image.
+ */
+
+ if(oTarget == oItem.submenuIndicator && oSubmenu) {
+
+ if(oSubmenu.cfg.getProperty("visible")) {
+
+ oSubmenu.hide();
+
+ oSubmenu.parent.focus();
+
+ }
+ else {
+
+ this.clearActiveItem();
+
+ oItem.cfg.setProperty("selected", true);
+
+ oSubmenu.show();
+
+ oSubmenu.setInitialFocus();
+
+ }
+
+ }
+ else {
+
+ var sURL = oItemCfg.getProperty("url"),
+ bCurrentPageURL = (sURL.substr((sURL.length-1),1) == "#"),
+ sTarget = oItemCfg.getProperty("target"),
+ bHasTarget = (sTarget && sTarget.length > 0);
+
+ /*
+ Prevent the browser from following links
+ equal to "#"
+ */
+
+ if(
+ oTarget.tagName.toUpperCase() == "A" &&
+ bCurrentPageURL && !bHasTarget
+ ) {
+
+ Event.preventDefault(oEvent);
+
+ oItem.focus();
+
+ }
+
+ if(
+ oTarget.tagName.toUpperCase() != "A" &&
+ !bCurrentPageURL && !bHasTarget
+ ) {
+
+ /*
+ Follow the URL of the item regardless of
+ whether or not the user clicked specifically
+ on the anchor element.
+ */
+
+ document.location = sURL;
+
+ }
+
+
+ /*
+ If the item doesn't navigate to a URL and it doesn't have
+ a submenu, then collapse the menu tree.
+ */
+
+ if(bCurrentPageURL && !oSubmenu) {
+
+ var oRoot = this.getRoot();
+
+ if(oRoot.cfg.getProperty("position") == "static") {
+
+ oRoot.clearActiveItem();
+
+ }
+ else if(oRoot.cfg.getProperty("clicktohide")) {
+
+ oRoot.hide();
+
+ }
+
+ }
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _onKeyDown
+* @description "keydown" event handler for the menu.
+* @protected
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onKeyDown: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oEvent = p_aArgs[0],
+ oItem = p_aArgs[1],
+ me = this,
+ oSubmenu;
+
+
+ /*
+ This function is called to prevent a bug in Firefox. In Firefox,
+ moving a DOM element into a stationary mouse pointer will cause the
+ browser to fire mouse events. This can result in the menu mouse
+ event handlers being called uncessarily, especially when menus are
+ moved into a stationary mouse pointer as a result of a
+ key event handler.
+ */
+ function stopMouseEventHandlers() {
+
+ me._bStopMouseEventHandlers = true;
+
+ window.setTimeout(function() {
+
+ me._bStopMouseEventHandlers = false;
+
+ }, 10);
+
+ }
+
+
+ if(oItem && !oItem.cfg.getProperty("disabled")) {
+
+ var oItemCfg = oItem.cfg,
+ oParentItem = this.parent,
+ oRoot,
+ oNextItem;
+
+
+ switch(oEvent.keyCode) {
+
+ case 38: // Up arrow
+ case 40: // Down arrow
+
+ oNextItem = (oEvent.keyCode == 38) ?
+ oItem.getPreviousEnabledSibling() :
+ oItem.getNextEnabledSibling();
+
+ if(oNextItem) {
+
+ this.clearActiveItem();
+
+ oNextItem.cfg.setProperty("selected", true);
+ oNextItem.focus();
+
+
+ if(this.cfg.getProperty("maxheight") > 0) {
+
+ var oBody = this.body;
+
+ oBody.scrollTop =
+
+ (
+ oNextItem.element.offsetTop +
+ oNextItem.element.offsetHeight
+ ) - oBody.offsetHeight;
+
+
+ var nScrollTop = oBody.scrollTop,
+ nScrollTarget =
+ oBody.scrollHeight - oBody.offsetHeight;
+
+ if(nScrollTop === 0) {
+
+ this._disableScrollHeader();
+ this._enableScrollFooter();
+
+ }
+ else if(nScrollTop == nScrollTarget) {
+
+ this._enableScrollHeader();
+ this._disableScrollFooter();
+
+ }
+ else {
+
+ this._enableScrollHeader();
+ this._enableScrollFooter();
+
+ }
+
+ }
+
+ }
+
+
+ Event.preventDefault(oEvent);
+
+ stopMouseEventHandlers();
+
+ break;
+
+
+ case 39: // Right arrow
+
+ oSubmenu = oItemCfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ if(!oItemCfg.getProperty("selected")) {
+
+ oItemCfg.setProperty("selected", true);
+
+ }
+
+ oSubmenu.show();
+ oSubmenu.setInitialFocus();
+ oSubmenu.setInitialSelection();
+
+ }
+ else {
+
+ oRoot = this.getRoot();
+
+ if(oRoot instanceof YAHOO.widget.MenuBar) {
+
+ oNextItem = oRoot.activeItem.getNextEnabledSibling();
+
+ if(oNextItem) {
+
+ oRoot.clearActiveItem();
+
+ oNextItem.cfg.setProperty("selected", true);
+
+ oSubmenu = oNextItem.cfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ oSubmenu.show();
+
+ }
+
+ oNextItem.focus();
+
+ }
+
+ }
+
+ }
+
+
+ Event.preventDefault(oEvent);
+
+ stopMouseEventHandlers();
+
+ break;
+
+
+ case 37: // Left arrow
+
+ if(oParentItem) {
+
+ var oParentMenu = oParentItem.parent;
+
+ if(oParentMenu instanceof YAHOO.widget.MenuBar) {
+
+ oNextItem =
+ oParentMenu.activeItem.getPreviousEnabledSibling();
+
+ if(oNextItem) {
+
+ oParentMenu.clearActiveItem();
+
+ oNextItem.cfg.setProperty("selected", true);
+
+ oSubmenu = oNextItem.cfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ oSubmenu.show();
+
+ }
+
+ oNextItem.focus();
+
+ }
+
+ }
+ else {
+
+ this.hide();
+
+ oParentItem.focus();
+
+ }
+
+ }
+
+ Event.preventDefault(oEvent);
+
+ stopMouseEventHandlers();
+
+ break;
+
+ }
+
+
+ }
+
+
+ if(oEvent.keyCode == 27) { // Esc key
+
+ if(this.cfg.getProperty("position") == "dynamic") {
+
+ this.hide();
+
+ if(this.parent) {
+
+ this.parent.focus();
+
+ }
+
+ }
+ else if(this.activeItem) {
+
+ oSubmenu = this.activeItem.cfg.getProperty("submenu");
+
+ if(oSubmenu && oSubmenu.cfg.getProperty("visible")) {
+
+ oSubmenu.hide();
+ this.activeItem.focus();
+
+ }
+ else {
+
+ this.activeItem.blur();
+ this.activeItem.cfg.setProperty("selected", false);
+
+ }
+
+ }
+
+
+ Event.preventDefault(oEvent);
+
+ }
+
+},
+
+
+/**
+* @method _onKeyPress
+* @description "keypress" event handler for a Menu instance.
+* @protected
+* @param {String} p_sType The name of the event that was fired.
+* @param {Array} p_aArgs Collection of arguments sent when the event
+* was fired.
+* @param {YAHOO.widget.Menu} p_oMenu The Menu instance that fired the event.
+*/
+_onKeyPress: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oEvent = p_aArgs[0];
+
+
+ if(oEvent.keyCode == 40 || oEvent.keyCode == 38) {
+
+ YAHOO.util.Event.preventDefault(oEvent);
+
+ }
+
+},
+
+
+/**
+* @method _onTextResize
+* @description "textresize" event handler for the menu.
+* @protected
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onTextResize: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this.browser == "gecko" && !this._handleResize) {
+
+ this._handleResize = true;
+ return;
+
+ }
+
+
+ var oConfig = this.cfg;
+
+ if(oConfig.getProperty("position") == "dynamic") {
+
+ oConfig.setProperty("width", (this._getOffsetWidth() + "px"));
+
+ }
+
+},
+
+
+/**
+* @method _onScrollTargetMouseOver
+* @description "mouseover" event handler for the menu's "header" and "footer"
+* elements. Used to scroll the body of the menu up and down when the
+* menu's "maxheight" configuration property is set to a value greater than 0.
+* @protected
+* @param {Event} p_oEvent Object representing the DOM event object passed
+* back by the event utility (YAHOO.util.Event).
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onScrollTargetMouseOver: function(p_oEvent, p_oMenu) {
+
+ this._cancelHideDelay();
+
+ var oTarget = Event.getTarget(p_oEvent),
+ oBody = this.body,
+ me = this,
+ nScrollTarget,
+ fnScrollFunction;
+
+
+ function scrollBodyDown() {
+
+ var nScrollTop = oBody.scrollTop;
+
+
+ if(nScrollTop < nScrollTarget) {
+
+ oBody.scrollTop = (nScrollTop + 1);
+
+ me._enableScrollHeader();
+
+ }
+ else {
+
+ oBody.scrollTop = nScrollTarget;
+
+ window.clearInterval(me._nBodyScrollId);
+
+ me._disableScrollFooter();
+
+ }
+
+ }
+
+
+ function scrollBodyUp() {
+
+ var nScrollTop = oBody.scrollTop;
+
+
+ if(nScrollTop > 0) {
+
+ oBody.scrollTop = (nScrollTop - 1);
+
+ me._enableScrollFooter();
+
+ }
+ else {
+
+ oBody.scrollTop = 0;
+
+ window.clearInterval(me._nBodyScrollId);
+
+ me._disableScrollHeader();
+
+ }
+
+ }
+
+
+ if(Dom.hasClass(oTarget, "hd")) {
+
+ fnScrollFunction = scrollBodyUp;
+
+ }
+ else {
+
+ nScrollTarget = oBody.scrollHeight - oBody.offsetHeight;
+
+ fnScrollFunction = scrollBodyDown;
+
+ }
+
+
+ this._nBodyScrollId = window.setInterval(fnScrollFunction, 10);
+
+},
+
+
+/**
+* @method _onScrollTargetMouseOut
+* @description "mouseout" event handler for the menu's "header" and "footer"
+* elements. Used to stop scrolling the body of the menu up and down when the
+* menu's "maxheight" configuration property is set to a value greater than 0.
+* @protected
+* @param {Event} p_oEvent Object representing the DOM event object passed
+* back by the event utility (YAHOO.util.Event).
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onScrollTargetMouseOut: function(p_oEvent, p_oMenu) {
+
+ window.clearInterval(this._nBodyScrollId);
+
+ this._cancelHideDelay();
+
+},
+
+
+
+// Private methods
+
+
+/**
+* @method _onInit
+* @description "init" event handler for the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onInit: function(p_sType, p_aArgs, p_oMenu) {
+
+ this.cfg.subscribeToConfigEvent("width", this._onWidthChange);
+ this.cfg.subscribeToConfigEvent("visible", this._onVisibleChange);
+
+ if(
+ (
+ (this.parent && !this.lazyLoad) ||
+ (!this.parent && this.cfg.getProperty("position") == "static") ||
+ (
+ !this.parent &&
+ !this.lazyLoad &&
+ this.cfg.getProperty("position") == "dynamic"
+ )
+ ) &&
+ this.getItemGroups().length === 0
+ ) {
+
+ if(this.srcElement) {
+
+ this._initSubTree();
+
+ }
+
+
+ if(this.itemData) {
+
+ this.addItems(this.itemData);
+
+ }
+
+ }
+ else if(this.lazyLoad) {
+
+ this.cfg.fireQueue();
+
+ }
+
+},
+
+
+/**
+* @method _onBeforeRender
+* @description "beforerender" event handler for the menu. Appends all of the
+* <code><ul></code>, <code><li></code> and their accompanying
+* title elements to the body element of the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onBeforeRender: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oConfig = this.cfg,
+ oEl = this.element,
+ nListElements = this._aListElements.length;
+
+
+ if(nListElements > 0) {
+
+ var i = 0,
+ bFirstList = true,
+ oUL,
+ oGroupTitle;
+
+
+ do {
+
+ oUL = this._aListElements[i];
+
+ if(oUL) {
+
+ if(bFirstList) {
+
+ Dom.addClass(oUL, "first-of-type");
+ bFirstList = false;
+
+ }
+
+
+ if(!Dom.isAncestor(oEl, oUL)) {
+
+ this.appendToBody(oUL);
+
+ }
+
+
+ oGroupTitle = this._aGroupTitleElements[i];
+
+ if(oGroupTitle) {
+
+ if(!Dom.isAncestor(oEl, oGroupTitle)) {
+
+ oUL.parentNode.insertBefore(oGroupTitle, oUL);
+
+ }
+
+
+ Dom.addClass(oUL, "hastitle");
+
+ }
+
+ }
+
+ i++;
+
+ }
+ while(i < nListElements);
+
+ }
+
+},
+
+
+/**
+* @method _onRender
+* @description "render" event handler for the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onRender: function(p_sType, p_aArgs) {
+
+ if (
+ this.cfg.getProperty("position") == "dynamic" &&
+ !this.cfg.getProperty("width")
+ ) {
+
+ this._setWidth();
+
+ }
+
+},
+
+
+/**
+* @method _onBeforeShow
+* @description "beforeshow" event handler for the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+_onBeforeShow: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this.lazyLoad && this.getItemGroups().length === 0) {
+
+ if(this.srcElement) {
+
+ this._initSubTree();
+
+ }
+
+
+ if(this.itemData) {
+
+ if(
+ this.parent && this.parent.parent &&
+ this.parent.parent.srcElement &&
+ this.parent.parent.srcElement.tagName.toUpperCase() == "SELECT"
+ ) {
+
+ var nOptions = this.itemData.length;
+
+ for(var n=0; n<nOptions; n++) {
+
+ if(this.itemData[n].tagName) {
+
+ this.addItem((new this.ITEM_TYPE(this.itemData[n])));
+
+ }
+
+ }
+
+ }
+ else {
+
+ this.addItems(this.itemData);
+
+ }
+
+ }
+
+
+ var oSrcElement = this.srcElement;
+
+ if(oSrcElement) {
+
+ if(oSrcElement.tagName.toUpperCase() == "SELECT") {
+
+ if(Dom.inDocument(oSrcElement)) {
+
+ this.render(oSrcElement.parentNode);
+
+ }
+ else {
+
+ this.render(this.cfg.getProperty("container"));
+
+ }
+
+ }
+ else {
+
+ this.render();
+
+ }
+
+ }
+ else {
+
+ if(this.parent) {
+
+ this.render(this.parent.element);
+
+ }
+ else {
+
+ this.render(this.cfg.getProperty("container"));
+ this.cfg.refireEvent("xy");
+
+ }
+
+ }
+
+ }
+
+
+ if(this.cfg.getProperty("position") == "dynamic") {
+
+ var nViewportHeight = Dom.getViewportHeight();
+
+
+ if(this.parent && this.parent.parent instanceof YAHOO.widget.MenuBar) {
+
+ var oRegion = YAHOO.util.Region.getRegion(this.parent.element);
+
+ nViewportHeight = (nViewportHeight - oRegion.bottom);
+
+ }
+
+
+ if(this.element.offsetHeight >= nViewportHeight) {
+
+ var nMaxHeight = this.cfg.getProperty("maxheight");
+
+ /*
+ Cache the original value for the "maxheight" configuration
+ property so that we can set it back when the menu is hidden.
+ */
+
+ this._nMaxHeight = nMaxHeight;
+
+ this.cfg.setProperty("maxheight", (nViewportHeight - 20));
+
+ }
+
+
+ if(this.cfg.getProperty("maxheight") > 0) {
+
+ var oBody = this.body;
+
+ if(oBody.scrollTop > 0) {
+
+ oBody.scrollTop = 0;
+
+ }
+
+ this._disableScrollHeader();
+ this._enableScrollFooter();
+
+ }
+
+ }
+
+
+},
+
+
+/**
+* @method _onShow
+* @description "show" event handler for the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that fired
+* the event.
+*/
+_onShow: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oParent = this.parent;
+
+ if(oParent) {
+
+ var oParentMenu = oParent.parent,
+ aParentAlignment = oParentMenu.cfg.getProperty("submenualignment"),
+ aAlignment = this.cfg.getProperty("submenualignment");
+
+
+ if(
+ (aParentAlignment[0] != aAlignment[0]) &&
+ (aParentAlignment[1] != aAlignment[1])
+ ) {
+
+ this.cfg.setProperty(
+ "submenualignment",
+ [ aParentAlignment[0], aParentAlignment[1] ]
+ );
+
+ }
+
+
+ if(
+ !oParentMenu.cfg.getProperty("autosubmenudisplay") &&
+ oParentMenu.cfg.getProperty("position") == "static"
+ ) {
+
+ oParentMenu.cfg.setProperty("autosubmenudisplay", true);
+
+
+ function disableAutoSubmenuDisplay(p_oEvent) {
+
+ if(
+ p_oEvent.type == "mousedown" ||
+ (p_oEvent.type == "keydown" && p_oEvent.keyCode == 27)
+ ) {
+
+ /*
+ Set the "autosubmenudisplay" to "false" if the user
+ clicks outside the menu bar.
+ */
+
+ var oTarget = Event.getTarget(p_oEvent);
+
+ if(
+ oTarget != oParentMenu.element ||
+ !YAHOO.util.Dom.isAncestor(oParentMenu.element, oTarget)
+ ) {
+
+ oParentMenu.cfg.setProperty(
+ "autosubmenudisplay",
+ false
+ );
+
+ Event.removeListener(
+ document,
+ "mousedown",
+ disableAutoSubmenuDisplay
+ );
+
+ Event.removeListener(
+ document,
+ "keydown",
+ disableAutoSubmenuDisplay
+ );
+
+ }
+
+ }
+
+ }
+
+ Event.on(document, "mousedown", disableAutoSubmenuDisplay);
+ Event.on(document, "keydown", disableAutoSubmenuDisplay);
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _onBeforeHide
+* @description "beforehide" event handler for the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that fired
+* the event.
+*/
+_onBeforeHide: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oActiveItem = this.activeItem;
+
+ if(oActiveItem) {
+
+ var oConfig = oActiveItem.cfg;
+
+ oConfig.setProperty("selected", false);
+
+ var oSubmenu = oConfig.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ oSubmenu.hide();
+
+ }
+
+ }
+
+ if (this == this.getRoot()) {
+
+ this.blur();
+
+ }
+
+},
+
+
+/**
+* @method _onHide
+* @description "hide" event handler for the menu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that fired
+* the event.
+*/
+_onHide: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this._nMaxHeight != -1) {
+
+ this.cfg.setProperty("maxheight", this._nMaxHeight);
+
+ this._nMaxHeight = -1;
+
+ }
+
+},
+
+
+/**
+* @method _onParentMenuConfigChange
+* @description "configchange" event handler for a submenu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oSubmenu Object representing the submenu that
+* subscribed to the event.
+*/
+_onParentMenuConfigChange: function(p_sType, p_aArgs, p_oSubmenu) {
+
+ var sPropertyName = p_aArgs[0][0],
+ oPropertyValue = p_aArgs[0][1];
+
+ switch(sPropertyName) {
+
+ case "iframe":
+ case "constraintoviewport":
+ case "hidedelay":
+ case "showdelay":
+ case "submenuhidedelay":
+ case "clicktohide":
+ case "effect":
+ case "classname":
+
+ p_oSubmenu.cfg.setProperty(sPropertyName, oPropertyValue);
+
+ break;
+
+ }
+
+},
+
+
+/**
+* @method _onParentMenuRender
+* @description "render" event handler for a submenu. Renders a
+* submenu in response to the firing of its parent's "render" event.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oSubmenu Object representing the submenu that
+* subscribed to the event.
+*/
+_onParentMenuRender: function(p_sType, p_aArgs, p_oSubmenu) {
+
+ var oParentMenu = p_oSubmenu.parent.parent,
+
+ oConfig = {
+
+ constraintoviewport:
+ oParentMenu.cfg.getProperty("constraintoviewport"),
+
+ xy: [0,0],
+
+ clicktohide: oParentMenu.cfg.getProperty("clicktohide"),
+
+ effect: oParentMenu.cfg.getProperty("effect"),
+
+ showdelay: oParentMenu.cfg.getProperty("showdelay"),
+
+ hidedelay: oParentMenu.cfg.getProperty("hidedelay"),
+
+ submenuhidedelay: oParentMenu.cfg.getProperty("submenuhidedelay"),
+
+ classname: oParentMenu.cfg.getProperty("classname")
+
+ };
+
+
+ /*
+ Only sync the "iframe" configuration property if the parent
+ menu's "position" configuration is the same.
+ */
+
+ if(
+ this.cfg.getProperty("position") ==
+ oParentMenu.cfg.getProperty("position")
+ ) {
+
+ oConfig.iframe = oParentMenu.cfg.getProperty("iframe");
+
+ }
+
+
+ p_oSubmenu.cfg.applyConfig(oConfig);
+
+
+ if(!this.lazyLoad) {
+
+ var oLI = this.parent.element;
+
+ if(this.element.parentNode == oLI) {
+
+ this.render();
+
+ }
+ else {
+
+ this.render(oLI);
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method _onSubmenuBeforeShow
+* @description "beforeshow" event handler for a submenu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oSubmenu Object representing the submenu that
+* subscribed to the event.
+*/
+_onSubmenuBeforeShow: function(p_sType, p_aArgs, p_oSubmenu) {
+
+ var oParent = this.parent,
+ aAlignment = oParent.parent.cfg.getProperty("submenualignment");
+
+ this.cfg.setProperty(
+ "context",
+ [oParent.element, aAlignment[0], aAlignment[1]]
+ );
+
+
+ var nScrollTop = oParent.parent.body.scrollTop;
+
+ if(
+ (this.browser == "gecko" || this.browser == "safari")
+ && nScrollTop > 0
+ ) {
+
+ this.cfg.setProperty("y", (this.cfg.getProperty("y") - nScrollTop));
+
+ }
+
+},
+
+
+/**
+* @method _onSubmenuShow
+* @description "show" event handler for a submenu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onSubmenuShow: function(p_sType, p_aArgs) {
+
+ this.submenuIndicator.firstChild.nodeValue =
+ this.EXPANDED_SUBMENU_INDICATOR_TEXT;
+
+},
+
+
+/**
+* @method _onSubmenuHide
+* @description "hide" Custom Event handler for a submenu.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onSubmenuHide: function(p_sType, p_aArgs) {
+
+ this.submenuIndicator.firstChild.nodeValue =
+ this.COLLAPSED_SUBMENU_INDICATOR_TEXT;
+
+},
+
+
+/**
+* @method _onMenuItemFocus
+* @description "focus" event handler for the menu's items.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onMenuItemFocus: function(p_sType, p_aArgs) {
+
+ this.parent.focusEvent.fire(this);
+
+},
+
+
+/**
+* @method _onMenuItemBlur
+* @description "blur" event handler for the menu's items.
+* @private
+* @param {String} p_sType String representing the name of the event
+* that was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+*/
+_onMenuItemBlur: function(p_sType, p_aArgs) {
+
+ this.parent.blurEvent.fire(this);
+
+},
+
+
+/**
+* @method _onMenuItemConfigChange
+* @description "configchange" event handler for the menu's items.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+* that fired the event.
+*/
+_onMenuItemConfigChange: function(p_sType, p_aArgs, p_oItem) {
+
+ var sPropertyName = p_aArgs[0][0],
+ oPropertyValue = p_aArgs[0][1];
+
+ switch(sPropertyName) {
+
+ case "selected":
+
+ if (oPropertyValue === true) {
+
+ this.activeItem = p_oItem;
+
+ }
+
+ break;
+
+ case "submenu":
+
+ var oSubmenu = p_aArgs[0][1];
+
+ if(oSubmenu) {
+
+ this._configureSubmenu(p_oItem);
+
+ }
+
+ break;
+
+ case "text":
+ case "helptext":
+
+ /*
+ A change to an item's "text" or "helptext"
+ configuration properties requires the width of the parent
+ menu to be recalculated.
+ */
+
+ if(this.element.style.width) {
+
+ var sWidth = this._getOffsetWidth() + "px";
+
+ Dom.setStyle(this.element, "width", sWidth);
+
+ }
+
+ break;
+
+ }
+
+},
+
+
+
+// Public event handlers for configuration properties
+
+
+/**
+* @method enforceConstraints
+* @description The default event handler executed when the moveEvent is fired,
+* if the "constraintoviewport" configuration property is set to true.
+* @param {String} type The name of the event that was fired.
+* @param {Array} args Collection of arguments sent when the
+* event was fired.
+* @param {Array} obj Array containing the current Menu instance
+* and the item that fired the event.
+*/
+enforceConstraints: function(type, args, obj) {
+
+ if(this.parent && !(this.parent.parent instanceof YAHOO.widget.MenuBar)) {
+
+ var oConfig = this.cfg,
+ pos = args[0],
+
+ x = pos[0],
+ y = pos[1],
+
+ offsetHeight = this.element.offsetHeight,
+ offsetWidth = this.element.offsetWidth,
+
+ viewPortWidth = YAHOO.util.Dom.getViewportWidth(),
+ viewPortHeight = YAHOO.util.Dom.getViewportHeight(),
+
+ scrollX = Math.max(
+ document.documentElement.scrollLeft,
+ document.body.scrollLeft
+ ),
+
+ scrollY = Math.max(
+ document.documentElement.scrollTop,
+ document.body.scrollTop
+ ),
+
+ nPadding = (
+ this.parent &&
+ this.parent.parent instanceof YAHOO.widget.MenuBar
+ ) ? 0 : 10,
+
+ topConstraint = scrollY + nPadding,
+ leftConstraint = scrollX + nPadding,
+ bottomConstraint =
+ scrollY + viewPortHeight - offsetHeight - nPadding,
+ rightConstraint = scrollX + viewPortWidth - offsetWidth - nPadding,
+
+ aContext = oConfig.getProperty("context"),
+ oContextElement = aContext ? aContext[0] : null;
+
+
+ if (x < 10) {
+
+ x = leftConstraint;
+
+ } else if ((x + offsetWidth) > viewPortWidth) {
+
+ if(
+ oContextElement &&
+ ((x - oContextElement.offsetWidth) > offsetWidth)
+ ) {
+
+ x = (x - (oContextElement.offsetWidth + offsetWidth));
+
+ }
+ else {
+
+ x = rightConstraint;
+
+ }
+
+ }
+
+ if (y < 10) {
+
+ y = topConstraint;
+
+ } else if (y > bottomConstraint) {
+
+ if(oContextElement && (y > offsetHeight)) {
+
+ y = ((y + oContextElement.offsetHeight) - offsetHeight);
+
+ }
+ else {
+
+ y = bottomConstraint;
+
+ }
+
+ }
+
+ oConfig.setProperty("x", x, true);
+ oConfig.setProperty("y", y, true);
+ oConfig.setProperty("xy", [x,y], true);
+
+ }
+
+},
+
+
+/**
+* @method configVisible
+* @description Event handler for when the "visible" configuration property
+* the menu changes.
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+configVisible: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this.cfg.getProperty("position") == "dynamic") {
+
+ YAHOO.widget.Menu.superclass.configVisible.call(
+ this,
+ p_sType,
+ p_aArgs,
+ p_oMenu
+ );
+
+ }
+ else {
+
+ var bVisible = p_aArgs[0],
+ sDisplay = Dom.getStyle(this.element, "display");
+
+ if(bVisible) {
+
+ if(sDisplay != "block") {
+ this.beforeShowEvent.fire();
+ Dom.setStyle(this.element, "display", "block");
+ this.showEvent.fire();
+ }
+
+ }
+ else {
+
+ if(sDisplay == "block") {
+ this.beforeHideEvent.fire();
+ Dom.setStyle(this.element, "display", "none");
+ this.hideEvent.fire();
+ }
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method configPosition
+* @description Event handler for when the "position" configuration property
+* of the menu changes.
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+configPosition: function(p_sType, p_aArgs, p_oMenu) {
+
+ var sCSSPosition = p_aArgs[0] == "static" ? "static" : "absolute",
+ oCfg = this.cfg;
+
+ Dom.setStyle(this.element, "position", sCSSPosition);
+
+
+ if(sCSSPosition == "static") {
+
+ /*
+ Remove the iframe for statically positioned menus since it will
+ intercept mouse events.
+ */
+
+ oCfg.setProperty("iframe", false);
+
+
+ // Statically positioned menus are visible by default
+
+ Dom.setStyle(this.element, "display", "block");
+
+ oCfg.setProperty("visible", true);
+
+ }
+ else {
+
+ /*
+ Even though the "visible" property is queued to
+ "false" by default, we need to set the "visibility" property to
+ "hidden" since Overlay's "configVisible" implementation checks the
+ element's "visibility" style property before deciding whether
+ or not to show an Overlay instance.
+ */
+
+ Dom.setStyle(this.element, "visibility", "hidden");
+
+ }
+
+
+ if(sCSSPosition == "absolute") {
+
+ var nZIndex = oCfg.getProperty("zindex");
+
+ if(!nZIndex || nZIndex === 0) {
+
+ nZIndex = this.parent ?
+ (this.parent.parent.cfg.getProperty("zindex") + 1) : 1;
+
+ oCfg.setProperty("zindex", nZIndex);
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method configIframe
+* @description Event handler for when the "iframe" configuration property of
+* the menu changes.
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+configIframe: function(p_sType, p_aArgs, p_oMenu) {
+
+ if(this.cfg.getProperty("position") == "dynamic") {
+
+ YAHOO.widget.Menu.superclass.configIframe.call(
+ this,
+ p_sType,
+ p_aArgs,
+ p_oMenu
+ );
+
+ }
+
+},
+
+
+/**
+* @method configHideDelay
+* @description Event handler for when the "hidedelay" configuration property
+* of the menu changes.
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+configHideDelay: function(p_sType, p_aArgs, p_oMenu) {
+
+ var nHideDelay = p_aArgs[0],
+ oMouseOutEvent = this.mouseOutEvent,
+ oMouseOverEvent = this.mouseOverEvent,
+ oKeyDownEvent = this.keyDownEvent;
+
+ if(nHideDelay > 0) {
+
+ /*
+ Only assign event handlers once. This way the user change
+ the value for the hidedelay as many times as they want.
+ */
+
+ if(!this._bHideDelayEventHandlersAssigned) {
+
+ oMouseOutEvent.subscribe(this._execHideDelay, this);
+ oMouseOverEvent.subscribe(this._cancelHideDelay, this, true);
+ oKeyDownEvent.subscribe(this._cancelHideDelay, this, true);
+
+ this._bHideDelayEventHandlersAssigned = true;
+
+ }
+
+ }
+ else {
+
+ oMouseOutEvent.unsubscribe(this._execHideDelay, this);
+ oMouseOverEvent.unsubscribe(this._cancelHideDelay, this);
+ oKeyDownEvent.unsubscribe(this._cancelHideDelay, this);
+
+ this._bHideDelayEventHandlersAssigned = false;
+
+ }
+
+},
+
+
+/**
+* @method configContainer
+* @description Event handler for when the "container" configuration property
+of the menu changes.
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu Object representing the menu that
+* fired the event.
+*/
+configContainer: function(p_sType, p_aArgs, p_oMenu) {
+
+ var oElement = p_aArgs[0];
+
+ if(typeof oElement == 'string') {
+
+ this.cfg.setProperty(
+ "container",
+ document.getElementById(oElement),
+ true
+ );
+
+ }
+
+},
+
+
+/**
+* @method _setMaxHeight
+* @description "renderEvent" handler used to defer the setting of the
+* "maxheight" configuration property until the menu is rendered in lazy
+* load scenarios.
+* @param {String} p_sType The name of the event that was fired.
+* @param {Array} p_aArgs Collection of arguments sent when the event
+* was fired.
+* @param {Number} p_nMaxHeight Number representing the value to set for the
+* "maxheight" configuration property.
+* @private
+*/
+_setMaxHeight: function(p_sType, p_aArgs, p_nMaxHeight) {
+
+ this.cfg.setProperty("maxheight", p_nMaxHeight);
+ this.renderEvent.unsubscribe(this._setMaxHeight);
+
+},
+
+
+/**
+* @method configMaxHeight
+* @description Event handler for when the "maxheight" configuration property of
+* a Menu changes.
+* @param {String} p_sType The name of the event that was fired.
+* @param {Array} p_aArgs Collection of arguments sent when the event
+* was fired.
+* @param {YAHOO.widget.Menu} p_oMenu The Menu instance fired
+* the event.
+*/
+configMaxHeight: function(p_sType, p_aArgs, p_oMenu) {
+
+ var nMaxHeight = p_aArgs[0],
+ oBody = this.body;
+
+
+ if(this.lazyLoad && !oBody) {
+
+ this.renderEvent.unsubscribe(this._setMaxHeight);
+
+ if(nMaxHeight > 0) {
+
+ this.renderEvent.subscribe(this._setMaxHeight, nMaxHeight, this);
+
+ }
+
+ return;
+
+ }
+
+ Dom.setStyle(oBody, "height", "auto");
+ Dom.setStyle(oBody, "overflow", "visible");
+
+ var oHeader = this.header,
+ oFooter = this.footer,
+ fnMouseOver = this._onScrollTargetMouseOver,
+ fnMouseOut = this._onScrollTargetMouseOut;
+
+
+ if((nMaxHeight > 0) && (oBody.offsetHeight > nMaxHeight)) {
+
+ if(!this.cfg.getProperty("width")) {
+
+ this._setWidth();
+
+ }
+
+ if(!oHeader && !oFooter) {
+
+ this.setHeader(" ");
+ this.setFooter(" ");
+
+ oHeader = this.header;
+ oFooter = this.footer;
+
+ Dom.addClass(oHeader, "topscrollbar");
+ Dom.addClass(oFooter, "bottomscrollbar");
+
+ this.element.insertBefore(oHeader, oBody);
+ this.element.appendChild(oFooter);
+
+ Event.on(oHeader, "mouseover", fnMouseOver, this, true);
+ Event.on(oHeader, "mouseout", fnMouseOut, this, true);
+ Event.on(oFooter, "mouseover", fnMouseOver, this, true);
+ Event.on(oFooter, "mouseout", fnMouseOut, this, true);
+
+ }
+
+ var nHeight =
+
+ (
+ nMaxHeight -
+ (this.footer.offsetHeight + this.header.offsetHeight)
+ );
+
+ Dom.setStyle(oBody, "height", (nHeight + "px"));
+ Dom.setStyle(oBody, "overflow", "hidden");
+
+ }
+ else if(oHeader && oFooter) {
+
+ Dom.setStyle(oBody, "height", "auto");
+ Dom.setStyle(oBody, "overflow", "visible");
+
+ Event.removeListener(oHeader, "mouseover", fnMouseOver);
+ Event.removeListener(oHeader, "mouseout", fnMouseOut);
+ Event.removeListener(oFooter, "mouseover", fnMouseOver);
+ Event.removeListener(oFooter, "mouseout", fnMouseOut);
+
+ this.element.removeChild(oHeader);
+ this.element.removeChild(oFooter);
+
+ this.header = null;
+ this.footer = null;
+
+ }
+
+},
+
+
+/**
+* @method configClassName
+* @description Event handler for when the "classname" configuration property of
+* a menu changes.
+* @param {String} p_sType The name of the event that was fired.
+* @param {Array} p_aArgs Collection of arguments sent when the event was fired.
+* @param {YAHOO.widget.Menu} p_oMenu The Menu instance fired the event.
+*/
+configClassName: function(p_sType, p_aArgs, p_oMenu) {
+
+ var sClassName = p_aArgs[0];
+
+ if(this._sClassName) {
+
+ Dom.removeClass(this.element, this._sClassName);
+
+ }
+
+ Dom.addClass(this.element, sClassName);
+ this._sClassName = sClassName;
+
+},
+
+
+
+// Public methods
+
+
+
+/**
+* @method initEvents
+* @description Initializes the custom events for the menu.
+*/
+initEvents: function() {
+
+ YAHOO.widget.Menu.superclass.initEvents.call(this);
+
+ // Create custom events
+
+ var EVENT_TYPES = YAHOO.widget.Menu._EVENT_TYPES;
+
+ this.mouseOverEvent = new CustomEvent(EVENT_TYPES.MOUSE_OVER, this);
+ this.mouseOutEvent = new CustomEvent(EVENT_TYPES.MOUSE_OUT, this);
+ this.mouseDownEvent = new CustomEvent(EVENT_TYPES.MOUSE_DOWN, this);
+ this.mouseUpEvent = new CustomEvent(EVENT_TYPES.MOUSE_UP, this);
+ this.clickEvent = new CustomEvent(EVENT_TYPES.CLICK, this);
+ this.keyPressEvent = new CustomEvent(EVENT_TYPES.KEY_PRESS, this);
+ this.keyDownEvent = new CustomEvent(EVENT_TYPES.KEY_DOWN, this);
+ this.keyUpEvent = new CustomEvent(EVENT_TYPES.KEY_UP, this);
+ this.focusEvent = new CustomEvent(EVENT_TYPES.FOCUS, this);
+ this.blurEvent = new CustomEvent(EVENT_TYPES.BLUR, this);
+ this.itemAddedEvent = new CustomEvent(EVENT_TYPES.ITEM_ADDED, this);
+ this.itemRemovedEvent = new CustomEvent(EVENT_TYPES.ITEM_REMOVED, this);
+
+},
+
+
+/**
+* @method getRoot
+* @description Finds the menu's root menu.
+*/
+getRoot: function() {
+
+ var oItem = this.parent;
+
+ if(oItem) {
+
+ var oParentMenu = oItem.parent;
+
+ return oParentMenu ? oParentMenu.getRoot() : this;
+
+ }
+ else {
+
+ return this;
+
+ }
+
+},
+
+
+/**
+* @method toString
+* @description Returns a string representing the menu.
+* @return {String}
+*/
+toString: function() {
+
+ return ("Menu " + this.id);
+
+},
+
+
+/**
+* @method setItemGroupTitle
+* @description Sets the title of a group of menu items.
+* @param {String} p_sGroupTitle String specifying the title of the group.
+* @param {Number} p_nGroupIndex Optional. Number specifying the group to which
+* the title belongs.
+*/
+setItemGroupTitle: function(p_sGroupTitle, p_nGroupIndex) {
+
+ if(typeof p_sGroupTitle == "string" && p_sGroupTitle.length > 0) {
+
+ var nGroupIndex = typeof p_nGroupIndex == "number" ? p_nGroupIndex : 0,
+ oTitle = this._aGroupTitleElements[nGroupIndex];
+
+
+ if(oTitle) {
+
+ oTitle.innerHTML = p_sGroupTitle;
+
+ }
+ else {
+
+ oTitle = document.createElement(this.GROUP_TITLE_TAG_NAME);
+
+ oTitle.innerHTML = p_sGroupTitle;
+
+ this._aGroupTitleElements[nGroupIndex] = oTitle;
+
+ }
+
+
+ var i = this._aGroupTitleElements.length - 1,
+ nFirstIndex;
+
+ do {
+
+ if(this._aGroupTitleElements[i]) {
+
+ Dom.removeClass(this._aGroupTitleElements[i], "first-of-type");
+
+ nFirstIndex = i;
+
+ }
+
+ }
+ while(i--);
+
+
+ if(nFirstIndex !== null) {
+
+ Dom.addClass(
+ this._aGroupTitleElements[nFirstIndex],
+ "first-of-type"
+ );
+
+ }
+
+ }
+
+},
+
+
+
+/**
+* @method addItem
+* @description Appends an item to the menu.
+* @param {YAHOO.widget.MenuItem} p_oItem Object reference for the MenuItem
+* instance to be added to the menu.
+* @param {String} p_oItem String specifying the text of the item to be added
+* to the menu.
+* @param {Object} p_oItem Object literal containing a set of menu item
+* configuration properties.
+* @param {Number} p_nGroupIndex Optional. Number indicating the group to
+* which the item belongs.
+* @return {YAHOO.widget.MenuItem}
+*/
+addItem: function(p_oItem, p_nGroupIndex) {
+
+ if(p_oItem) {
+
+ return this._addItemToGroup(p_nGroupIndex, p_oItem);
+
+ }
+
+},
+
+
+/**
+* @method addItems
+* @description Adds an array of items to the menu.
+* @param {Array} p_aItems Array of items to be added to the menu. The array
+* can contain strings specifying the text for each item to be created, object
+* literals specifying each of the menu item configuration properties,
+* or MenuItem instances.
+* @param {Number} p_nGroupIndex Optional. Number specifying the group to
+* which the items belongs.
+* @return {Array}
+*/
+addItems: function(p_aItems, p_nGroupIndex) {
+
+ if(Lang.isArray(p_aItems)) {
+
+ var nItems = p_aItems.length,
+ aItems = [],
+ oItem;
+
+
+ for(var i=0; i<nItems; i++) {
+
+ oItem = p_aItems[i];
+
+ if(oItem) {
+
+ if(Lang.isArray(oItem)) {
+
+ aItems[aItems.length] = this.addItems(oItem, i);
+
+ }
+ else {
+
+ aItems[aItems.length] =
+ this._addItemToGroup(p_nGroupIndex, oItem);
+
+ }
+
+ }
+
+ }
+
+
+ if(aItems.length) {
+
+ return aItems;
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method insertItem
+* @description Inserts an item into the menu at the specified index.
+* @param {YAHOO.widget.MenuItem} p_oItem Object reference for the MenuItem
+* instance to be added to the menu.
+* @param {String} p_oItem String specifying the text of the item to be added
+* to the menu.
+* @param {Object} p_oItem Object literal containing a set of menu item
+* configuration properties.
+* @param {Number} p_nItemIndex Number indicating the ordinal position at which
+* the item should be added.
+* @param {Number} p_nGroupIndex Optional. Number indicating the group to which
+* the item belongs.
+* @return {YAHOO.widget.MenuItem}
+*/
+insertItem: function(p_oItem, p_nItemIndex, p_nGroupIndex) {
+
+ if(p_oItem) {
+
+ return this._addItemToGroup(p_nGroupIndex, p_oItem, p_nItemIndex);
+
+ }
+
+},
+
+
+/**
+* @method removeItem
+* @description Removes the specified item from the menu.
+* @param {YAHOO.widget.MenuItem} p_oObject Object reference for the MenuItem
+* instance to be removed from the menu.
+* @param {Number} p_oObject Number specifying the index of the item
+* to be removed.
+* @param {Number} p_nGroupIndex Optional. Number specifying the group to
+* which the item belongs.
+* @return {YAHOO.widget.MenuItem}
+*/
+removeItem: function(p_oObject, p_nGroupIndex) {
+
+ if(typeof p_oObject != "undefined") {
+
+ var oItem;
+
+ if(p_oObject instanceof YAHOO.widget.MenuItem) {
+
+ oItem = this._removeItemFromGroupByValue(p_nGroupIndex, p_oObject);
+
+ }
+ else if(typeof p_oObject == "number") {
+
+ oItem = this._removeItemFromGroupByIndex(p_nGroupIndex, p_oObject);
+
+ }
+
+ if(oItem) {
+
+ oItem.destroy();
+
+
+ return oItem;
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method getItems
+* @description Returns an array of all of the items in the menu.
+* @return {Array}
+*/
+getItems: function() {
+
+ var aGroups = this._aItemGroups,
+ nGroups = aGroups.length;
+
+ return (
+ (nGroups == 1) ? aGroups[0] :
+ (Array.prototype.concat.apply([], aGroups))
+ );
+
+},
+
+
+/**
+* @method getItemGroups
+* @description Multi-dimensional Array representing the menu items as they
+* are grouped in the menu.
+* @return {Array}
+*/
+getItemGroups: function() {
+
+ return this._aItemGroups;
+
+},
+
+
+/**
+* @method getItem
+* @description Returns the item at the specified index.
+* @param {Number} p_nItemIndex Number indicating the ordinal position of the
+* item to be retrieved.
+* @param {Number} p_nGroupIndex Optional. Number indicating the group to which
+* the item belongs.
+* @return {YAHOO.widget.MenuItem}
+*/
+getItem: function(p_nItemIndex, p_nGroupIndex) {
+
+ if(typeof p_nItemIndex == "number") {
+
+ var aGroup = this._getItemGroup(p_nGroupIndex);
+
+ if(aGroup) {
+
+ return aGroup[p_nItemIndex];
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method clearContent
+* @description Removes all of the content from the menu, including the menu
+* items, group titles, header and footer.
+*/
+clearContent: function() {
+
+ var aItems = this.getItems(),
+ nItems = aItems.length,
+ oElement = this.element,
+ oBody = this.body,
+ oHeader = this.header,
+ oFooter = this.footer;
+
+
+ if(nItems > 0) {
+
+ var i = nItems - 1,
+ oItem,
+ oSubmenu;
+
+ do {
+
+ oItem = aItems[i];
+
+ if(oItem) {
+
+ oSubmenu = oItem.cfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ this.cfg.configChangedEvent.unsubscribe(
+ this._onParentMenuConfigChange,
+ oSubmenu
+ );
+
+ this.renderEvent.unsubscribe(
+ this._onParentMenuRender,
+ oSubmenu
+ );
+
+ }
+
+ oItem.destroy();
+
+ }
+
+ }
+ while(i--);
+
+ }
+
+
+ if(oHeader) {
+
+ Event.purgeElement(oHeader);
+ oElement.removeChild(oHeader);
+
+ }
+
+
+ if(oFooter) {
+
+ Event.purgeElement(oFooter);
+ oElement.removeChild(oFooter);
+ }
+
+
+ if(oBody) {
+
+ Event.purgeElement(oBody);
+
+ oBody.innerHTML = "";
+
+ }
+
+
+ this._aItemGroups = [];
+ this._aListElements = [];
+ this._aGroupTitleElements = [];
+
+ this.cfg.setProperty("width", null);
+
+},
+
+
+/**
+* @method destroy
+* @description Removes the menu's <code><div></code> element
+* (and accompanying child nodes) from the document.
+*/
+destroy: function() {
+
+ // Remove all DOM event listeners
+
+ Event.purgeElement(this.element);
+
+
+ // Remove Custom Event listeners
+
+ this.mouseOverEvent.unsubscribeAll();
+ this.mouseOutEvent.unsubscribeAll();
+ this.mouseDownEvent.unsubscribeAll();
+ this.mouseUpEvent.unsubscribeAll();
+ this.clickEvent.unsubscribeAll();
+ this.keyPressEvent.unsubscribeAll();
+ this.keyDownEvent.unsubscribeAll();
+ this.keyUpEvent.unsubscribeAll();
+ this.focusEvent.unsubscribeAll();
+ this.blurEvent.unsubscribeAll();
+ this.itemAddedEvent.unsubscribeAll();
+ this.itemRemovedEvent.unsubscribeAll();
+ this.cfg.unsubscribeFromConfigEvent("width", this._onWidthChange);
+ this.cfg.unsubscribeFromConfigEvent("visible", this._onVisibleChange);
+
+ if (this._hasSetWidthHandlers) {
+
+ this.itemAddedEvent.unsubscribe(this._setWidth);
+ this.itemRemovedEvent.unsubscribe(this._setWidth);
+
+ this._hasSetWidthHandlers = false;
+
+ }
+
+ YAHOO.widget.Module.textResizeEvent.unsubscribe(this._onTextResize, this);
+
+
+ // Remove all items
+
+ this.clearContent();
+
+
+ this._aItemGroups = null;
+ this._aListElements = null;
+ this._aGroupTitleElements = null;
+
+
+ // Continue with the superclass implementation of this method
+
+ YAHOO.widget.Menu.superclass.destroy.call(this);
+
+
+},
+
+
+/**
+* @method setInitialFocus
+* @description Sets focus to the menu's first enabled item.
+*/
+setInitialFocus: function() {
+
+ var oItem = this._getFirstEnabledItem();
+
+ if (oItem) {
+
+ oItem.focus();
+
+ }
+
+},
+
+
+/**
+* @method setInitialSelection
+* @description Sets the "selected" configuration property of the menu's first
+* enabled item to "true."
+*/
+setInitialSelection: function() {
+
+ var oItem = this._getFirstEnabledItem();
+
+ if(oItem) {
+
+ oItem.cfg.setProperty("selected", true);
+ }
+
+},
+
+
+/**
+* @method clearActiveItem
+* @description Sets the "selected" configuration property of the menu's active
+* item to "false" and hides the item's submenu.
+* @param {Boolean} p_bBlur Boolean indicating if the menu's active item
+* should be blurred.
+*/
+clearActiveItem: function(p_bBlur) {
+
+ if(this.cfg.getProperty("showdelay") > 0) {
+
+ this._cancelShowDelay();
+
+ }
+
+
+ var oActiveItem = this.activeItem;
+
+ if(oActiveItem) {
+
+ var oConfig = oActiveItem.cfg;
+
+ if(p_bBlur) {
+
+ oActiveItem.blur();
+
+ }
+
+ oConfig.setProperty("selected", false);
+
+ var oSubmenu = oConfig.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ oSubmenu.hide();
+
+ }
+
+ this.activeItem = null;
+
+ }
+
+},
+
+
+/**
+* @method focus
+* @description Causes the menu to receive focus and fires the "focus" event.
+*/
+focus: function() {
+
+ if (!this.hasFocus()) {
+
+ this.setInitialFocus();
+
+ }
+
+},
+
+
+/**
+* @method blur
+* @description Causes the menu to lose focus and fires the "blur" event.
+*/
+blur: function() {
+
+ if (this.hasFocus()) {
+
+ var oItem = YAHOO.widget.MenuManager.getFocusedMenuItem();
+
+ if (oItem) {
+
+ oItem.blur();
+
+ }
+
+ }
+
+},
+
+
+/**
+* @method hasFocus
+* @description Returns a boolean indicating whether or not the menu has focus.
+* @return {Boolean}
+*/
+hasFocus: function() {
+
+ return (YAHOO.widget.MenuManager.getFocusedMenu() == this.getRoot());
+
+},
+
+
+/**
+* @description Initializes the class's configurable properties which can be
+* changed using the menu's Config object ("cfg").
+* @method initDefaultConfig
+*/
+initDefaultConfig: function() {
+
+ YAHOO.widget.Menu.superclass.initDefaultConfig.call(this);
+
+ var oConfig = this.cfg,
+ DEFAULT_CONFIG = YAHOO.widget.Menu._DEFAULT_CONFIG;
+
+ // Add configuration attributes
+
+ /*
+ Change the default value for the "visible" configuration
+ property to "false" by re-adding the property.
+ */
+
+ /**
+ * @config visible
+ * @description Boolean indicating whether or not the menu is visible. If
+ * the menu's "position" configuration property is set to "dynamic" (the
+ * default), this property toggles the menu's <code><div></code>
+ * element's "visibility" style property between "visible" (true) or
+ * "hidden" (false). If the menu's "position" configuration property is
+ * set to "static" this property toggles the menu's
+ * <code><div></code> element's "display" style property
+ * between "block" (true) or "none" (false).
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.VISIBLE.key,
+ {
+ handler: this.configVisible,
+ value: DEFAULT_CONFIG.VISIBLE.value,
+ validator: DEFAULT_CONFIG.VISIBLE.validator
+ }
+ );
+
+
+ /*
+ Change the default value for the "constraintoviewport" configuration
+ property to "true" by re-adding the property.
+ */
+
+ /**
+ * @config constraintoviewport
+ * @description Boolean indicating if the menu will try to remain inside
+ * the boundaries of the size of viewport.
+ * @default true
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.CONSTRAIN_TO_VIEWPORT.key,
+ {
+ handler: this.configConstrainToViewport,
+ value: DEFAULT_CONFIG.CONSTRAIN_TO_VIEWPORT.value,
+ validator: DEFAULT_CONFIG.CONSTRAIN_TO_VIEWPORT.validator,
+ supercedes: DEFAULT_CONFIG.CONSTRAIN_TO_VIEWPORT.supercedes
+ }
+ );
+
+
+ /**
+ * @config position
+ * @description String indicating how a menu should be positioned on the
+ * screen. Possible values are "static" and "dynamic." Static menus are
+ * visible by default and reside in the normal flow of the document
+ * (CSS position: static). Dynamic menus are hidden by default, reside
+ * out of the normal flow of the document (CSS position: absolute), and
+ * can overlay other elements on the screen.
+ * @default dynamic
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.POSITION.key,
+ {
+ handler: this.configPosition,
+ value: DEFAULT_CONFIG.POSITION.value,
+ validator: DEFAULT_CONFIG.POSITION.validator,
+ supercedes: DEFAULT_CONFIG.POSITION.supercedes
+ }
+ );
+
+
+ /**
+ * @config submenualignment
+ * @description Array defining how submenus should be aligned to their
+ * parent menu item. The format is: [itemCorner, submenuCorner]. By default
+ * a submenu's top left corner is aligned to its parent menu item's top
+ * right corner.
+ * @default ["tl","tr"]
+ * @type Array
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.SUBMENU_ALIGNMENT.key,
+ {
+ value: DEFAULT_CONFIG.SUBMENU_ALIGNMENT.value
+ }
+ );
+
+
+ /**
+ * @config autosubmenudisplay
+ * @description Boolean indicating if submenus are automatically made
+ * visible when the user mouses over the menu's items.
+ * @default true
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.AUTO_SUBMENU_DISPLAY.key,
+ {
+ value: DEFAULT_CONFIG.AUTO_SUBMENU_DISPLAY.value,
+ validator: DEFAULT_CONFIG.AUTO_SUBMENU_DISPLAY.validator
+ }
+ );
+
+
+ /**
+ * @config showdelay
+ * @description Number indicating the time (in milliseconds) that should
+ * expire before a submenu is made visible when the user mouses over
+ * the menu's items.
+ * @default 250
+ * @type Number
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.SHOW_DELAY.key,
+ {
+ value: DEFAULT_CONFIG.SHOW_DELAY.value,
+ validator: DEFAULT_CONFIG.SHOW_DELAY.validator
+ }
+ );
+
+
+ /**
+ * @config hidedelay
+ * @description Number indicating the time (in milliseconds) that should
+ * expire before the menu is hidden.
+ * @default 0
+ * @type Number
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.HIDE_DELAY.key,
+ {
+ handler: this.configHideDelay,
+ value: DEFAULT_CONFIG.HIDE_DELAY.value,
+ validator: DEFAULT_CONFIG.HIDE_DELAY.validator,
+ suppressEvent: DEFAULT_CONFIG.HIDE_DELAY.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config submenuhidedelay
+ * @description Number indicating the time (in milliseconds) that should
+ * expire before a submenu is hidden when the user mouses out of a menu item
+ * heading in the direction of a submenu. The value must be greater than or
+ * equal to the value specified for the "showdelay" configuration property.
+ * @default 250
+ * @type Number
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.SUBMENU_HIDE_DELAY.key,
+ {
+ value: DEFAULT_CONFIG.SUBMENU_HIDE_DELAY.value,
+ validator: DEFAULT_CONFIG.SUBMENU_HIDE_DELAY.validator
+ }
+ );
+
+
+ /**
+ * @config clicktohide
+ * @description Boolean indicating if the menu will automatically be
+ * hidden if the user clicks outside of it.
+ * @default true
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.CLICK_TO_HIDE.key,
+ {
+ value: DEFAULT_CONFIG.CLICK_TO_HIDE.value,
+ validator: DEFAULT_CONFIG.CLICK_TO_HIDE.validator
+ }
+ );
+
+
+ /**
+ * @config container
+ * @description HTML element reference or string specifying the id
+ * attribute of the HTML element that the menu's markup should be
+ * rendered into.
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>|String
+ * @default document.body
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.CONTAINER.key,
+ {
+ handler: this.configContainer,
+ value: document.body
+ }
+ );
+
+
+ /**
+ * @config maxheight
+ * @description Defines the maximum height (in pixels) for a menu before the
+ * contents of the body are scrolled.
+ * @default 0
+ * @type Number
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.MAX_HEIGHT.key,
+ {
+ handler: this.configMaxHeight,
+ value: DEFAULT_CONFIG.MAX_HEIGHT.value,
+ validator: DEFAULT_CONFIG.MAX_HEIGHT.validator
+ }
+ );
+
+
+ /**
+ * @config classname
+ * @description CSS class to be applied to the menu's root
+ * <code><div></code> element. The specified class(es) are
+ * appended in addition to the default class as specified by the menu's
+ * CSS_CLASS_NAME constant.
+ * @default null
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.CLASS_NAME.key,
+ {
+ handler: this.configClassName,
+ value: DEFAULT_CONFIG.CLASS_NAME.value,
+ validator: DEFAULT_CONFIG.CLASS_NAME.validator
+ }
+ );
+
+}
+
+}); // END YAHOO.lang.extend
+
+})();
+
+
+
+(function() {
+
+var Dom = YAHOO.util.Dom,
+ Module = YAHOO.widget.Module,
+ Menu = YAHOO.widget.Menu,
+ CustomEvent = YAHOO.util.CustomEvent,
+ Lang = YAHOO.lang;
+
+/**
+* Creates an item for a menu.
+*
+* @param {String} p_oObject String specifying the text of the menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-74680021">HTMLLIElement</a>} p_oObject Object specifying
+* the <code><li></code> element of the menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-38450247">HTMLOptGroupElement</a>} p_oObject Object
+* specifying the <code><optgroup></code> element of the menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-70901257">HTMLOptionElement</a>} p_oObject Object
+* specifying the <code><option></code> element of the menu item.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu item. See configuration class documentation
+* for more details.
+* @class MenuItem
+* @constructor
+*/
+YAHOO.widget.MenuItem = function(p_oObject, p_oConfig) {
+
+ if(p_oObject) {
+
+ if(p_oConfig) {
+
+ this.parent = p_oConfig.parent;
+ this.value = p_oConfig.value;
+ this.id = p_oConfig.id;
+
+ }
+
+ this.init(p_oObject, p_oConfig);
+
+ }
+
+};
+
+
+/**
+* Constant representing the name of the MenuItem's events
+* @property YAHOO.widget.MenuItem._EVENT_TYPES
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.MenuItem._EVENT_TYPES = {
+
+ "MOUSE_OVER": "mouseover",
+ "MOUSE_OUT": "mouseout",
+ "MOUSE_DOWN": "mousedown",
+ "MOUSE_UP": "mouseup",
+ "CLICK": "click",
+ "KEY_PRESS": "keypress",
+ "KEY_DOWN": "keydown",
+ "KEY_UP": "keyup",
+ "ITEM_ADDED": "itemAdded",
+ "ITEM_REMOVED": "itemRemoved",
+ "FOCUS": "focus",
+ "BLUR": "blur",
+ "DESTROY": "destroy"
+
+};
+
+
+/**
+* Constant representing the MenuItem's configuration properties
+* @property YAHOO.widget.MenuItem._DEFAULT_CONFIG
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.MenuItem._DEFAULT_CONFIG = {
+
+ "TEXT": {
+ key: "text",
+ value: "",
+ validator: Lang.isString,
+ suppressEvent: true
+ },
+
+ "HELP_TEXT": {
+ key: "helptext"
+ },
+
+ "URL": {
+ key: "url",
+ value: "#",
+ suppressEvent: true
+ },
+
+ "TARGET": {
+ key: "target",
+ suppressEvent: true
+ },
+
+ "EMPHASIS": {
+ key: "emphasis",
+ value: false,
+ validator: Lang.isBoolean,
+ suppressEvent: true
+ },
+
+ "STRONG_EMPHASIS": {
+ key: "strongemphasis",
+ value: false,
+ validator: Lang.isBoolean,
+ suppressEvent: true
+ },
+
+ "CHECKED": {
+ key: "checked",
+ value: false,
+ validator: Lang.isBoolean,
+ suppressEvent: true,
+ supercedes:["disabled"]
+ },
+
+ "DISABLED": {
+ key: "disabled",
+ value: false,
+ validator: Lang.isBoolean,
+ suppressEvent: true
+ },
+
+ "SELECTED": {
+ key: "selected",
+ value: false,
+ validator: Lang.isBoolean,
+ suppressEvent: true
+ },
+
+ "SUBMENU": {
+ key: "submenu"
+ },
+
+ "ONCLICK": {
+ key: "onclick"
+ },
+
+ "CLASS_NAME": {
+ key: "classname",
+ value: null,
+ validator: Lang.isString
+ }
+
+};
+
+
+YAHOO.widget.MenuItem.prototype = {
+
+ // Constants
+
+
+ /**
+ * @property COLLAPSED_SUBMENU_INDICATOR_TEXT
+ * @description String representing the text for the <code><em></code>
+ * element used for the submenu arrow indicator.
+ * @default "Submenu collapsed. Click to expand submenu."
+ * @final
+ * @type String
+ */
+ COLLAPSED_SUBMENU_INDICATOR_TEXT:
+ "Submenu collapsed. Click to expand submenu.",
+
+
+ /**
+ * @property EXPANDED_SUBMENU_INDICATOR_TEXT
+ * @description String representing the text for the submenu arrow indicator
+ * element (<code><em></code>) when the submenu is visible.
+ * @default "Submenu expanded. Click to collapse submenu."
+ * @final
+ * @type String
+ */
+ EXPANDED_SUBMENU_INDICATOR_TEXT:
+ "Submenu expanded. Click to collapse submenu.",
+
+
+ /**
+ * @property DISABLED_SUBMENU_INDICATOR_TEXT
+ * @description String representing the text for the submenu arrow indicator
+ * element (<code><em></code>) when the menu item is disabled.
+ * @default "Submenu collapsed. (Item disabled.)."
+ * @final
+ * @type String
+ */
+ DISABLED_SUBMENU_INDICATOR_TEXT: "Submenu collapsed. (Item disabled.)",
+
+
+ /**
+ * @property CHECKED_TEXT
+ * @description String representing the text to be used for the checked
+ * indicator element (<code><em></code>).
+ * @default "Checked."
+ * @final
+ * @type String
+ */
+ CHECKED_TEXT: "Menu item checked.",
+
+
+ /**
+ * @property DISABLED_CHECKED_TEXT
+ * @description String representing the text to be used for the checked
+ * indicator element (<code><em></code>) when the menu item
+ * is disabled.
+ * @default "Checked. (Item disabled.)"
+ * @final
+ * @type String
+ */
+ DISABLED_CHECKED_TEXT: "Checked. (Item disabled.)",
+
+
+ /**
+ * @property CSS_CLASS_NAME
+ * @description String representing the CSS class(es) to be applied to the
+ * <code><li></code> element of the menu item.
+ * @default "yuimenuitem"
+ * @final
+ * @type String
+ */
+ CSS_CLASS_NAME: "yuimenuitem",
+
+
+ /**
+ * @property SUBMENU_TYPE
+ * @description Object representing the type of menu to instantiate and
+ * add when parsing the child nodes of the menu item's source HTML element.
+ * @final
+ * @type YAHOO.widget.Menu
+ */
+ SUBMENU_TYPE: null,
+
+
+
+ // Private member variables
+
+
+ /**
+ * @property _oAnchor
+ * @description Object reference to the menu item's
+ * <code><a></code> element.
+ * @default null
+ * @private
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-48250443">HTMLAnchorElement</a>
+ */
+ _oAnchor: null,
+
+
+ /**
+ * @property _oText
+ * @description Object reference to the menu item's text node.
+ * @default null
+ * @private
+ * @type TextNode
+ */
+ _oText: null,
+
+
+ /**
+ * @property _oHelpTextEM
+ * @description Object reference to the menu item's help text
+ * <code><em></code> element.
+ * @default null
+ * @private
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-58190037">HTMLElement</a>
+ */
+ _oHelpTextEM: null,
+
+
+ /**
+ * @property _oSubmenu
+ * @description Object reference to the menu item's submenu.
+ * @default null
+ * @private
+ * @type YAHOO.widget.Menu
+ */
+ _oSubmenu: null,
+
+
+ /**
+ * @property _oCheckedIndicator
+ * @description Object reference to the menu item's checkmark image.
+ * @default <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>
+ * @private
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>
+ */
+ _oCheckedIndicator: null,
+
+
+ /**
+ * @property _oOnclickAttributeValue
+ * @description Object reference to the menu item's current value for the
+ * "onclick" configuration attribute.
+ * @default null
+ * @private
+ * @type Object
+ */
+ _oOnclickAttributeValue: null,
+
+
+ /**
+ * @property _sClassName
+ * @description The current value of the "classname" configuration attribute.
+ * @default null
+ * @private
+ * @type String
+ */
+ _sClassName: null,
+
+
+
+ // Public properties
+
+
+ /**
+ * @property constructor
+ * @description Object reference to the menu item's constructor function.
+ * @default YAHOO.widget.MenuItem
+ * @type YAHOO.widget.MenuItem
+ */
+ constructor: YAHOO.widget.MenuItem,
+
+
+ /**
+ * @property index
+ * @description Number indicating the ordinal position of the menu item in
+ * its group.
+ * @default null
+ * @type Number
+ */
+ index: null,
+
+
+ /**
+ * @property groupIndex
+ * @description Number indicating the index of the group to which the menu
+ * item belongs.
+ * @default null
+ * @type Number
+ */
+ groupIndex: null,
+
+
+ /**
+ * @property parent
+ * @description Object reference to the menu item's parent menu.
+ * @default null
+ * @type YAHOO.widget.Menu
+ */
+ parent: null,
+
+
+ /**
+ * @property element
+ * @description Object reference to the menu item's
+ * <code><li></code> element.
+ * @default <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level
+ * -one-html.html#ID-74680021">HTMLLIElement</a>
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-74680021">HTMLLIElement</a>
+ */
+ element: null,
+
+
+ /**
+ * @property srcElement
+ * @description Object reference to the HTML element (either
+ * <code><li></code>, <code><optgroup></code> or
+ * <code><option></code>) used create the menu item.
+ * @default <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-74680021">HTMLLIElement</a>|<a href="http://www.
+ * w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-html.html#ID-38450247"
+ * >HTMLOptGroupElement</a>|<a href="http://www.w3.org/TR/2000/WD-DOM-
+ * Level-1-20000929/level-one-html.html#ID-70901257">HTMLOptionElement</a>
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-74680021">HTMLLIElement</a>|<a href="http://www.w3.
+ * org/TR/2000/WD-DOM-Level-1-20000929/level-one-html.html#ID-38450247">
+ * HTMLOptGroupElement</a>|<a href="http://www.w3.org/TR/2000/WD-DOM-
+ * Level-1-20000929/level-one-html.html#ID-70901257">HTMLOptionElement</a>
+ */
+ srcElement: null,
+
+
+ /**
+ * @property value
+ * @description Object reference to the menu item's value.
+ * @default null
+ * @type Object
+ */
+ value: null,
+
+
+ /**
+ * @property submenuIndicator
+ * @description Object reference to the <code><em></code> element
+ * used to create the submenu indicator for the menu item.
+ * @default <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>
+ * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>
+ */
+ submenuIndicator: null,
+
+
+ /**
+ * @property browser
+ * @description String representing the browser.
+ * @type String
+ */
+ browser: Module.prototype.browser,
+
+
+ /**
+ * @property id
+ * @description Id of the menu item's root <code><li></code>
+ * element. This property should be set via the constructor using the
+ * configuration object literal. If an id is not specified, then one will
+ * be created using the "generateId" method of the Dom utility.
+ * @default null
+ * @type String
+ */
+ id: null,
+
+
+
+ // Events
+
+
+ /**
+ * @event destroyEvent
+ * @description Fires when the menu item's <code><li></code>
+ * element is removed from its parent <code><ul></code> element.
+ * @type YAHOO.util.CustomEvent
+ */
+ destroyEvent: null,
+
+
+ /**
+ * @event mouseOverEvent
+ * @description Fires when the mouse has entered the menu item. Passes
+ * back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ mouseOverEvent: null,
+
+
+ /**
+ * @event mouseOutEvent
+ * @description Fires when the mouse has left the menu item. Passes back
+ * the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ mouseOutEvent: null,
+
+
+ /**
+ * @event mouseDownEvent
+ * @description Fires when the user mouses down on the menu item. Passes
+ * back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ mouseDownEvent: null,
+
+
+ /**
+ * @event mouseUpEvent
+ * @description Fires when the user releases a mouse button while the mouse
+ * is over the menu item. Passes back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ mouseUpEvent: null,
+
+
+ /**
+ * @event clickEvent
+ * @description Fires when the user clicks the on the menu item. Passes
+ * back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ clickEvent: null,
+
+
+ /**
+ * @event keyPressEvent
+ * @description Fires when the user presses an alphanumeric key when the
+ * menu item has focus. Passes back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ keyPressEvent: null,
+
+
+ /**
+ * @event keyDownEvent
+ * @description Fires when the user presses a key when the menu item has
+ * focus. Passes back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ keyDownEvent: null,
+
+
+ /**
+ * @event keyUpEvent
+ * @description Fires when the user releases a key when the menu item has
+ * focus. Passes back the DOM Event object as an argument.
+ * @type YAHOO.util.CustomEvent
+ */
+ keyUpEvent: null,
+
+
+ /**
+ * @event focusEvent
+ * @description Fires when the menu item receives focus.
+ * @type YAHOO.util.CustomEvent
+ */
+ focusEvent: null,
+
+
+ /**
+ * @event blurEvent
+ * @description Fires when the menu item loses the input focus.
+ * @type YAHOO.util.CustomEvent
+ */
+ blurEvent: null,
+
+
+ /**
+ * @method init
+ * @description The MenuItem class's initialization method. This method is
+ * automatically called by the constructor, and sets up all DOM references
+ * for pre-existing markup, and creates required markup if it is not
+ * already present.
+ * @param {String} p_oObject String specifying the text of the menu item.
+ * @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-74680021">HTMLLIElement</a>} p_oObject Object specifying
+ * the <code><li></code> element of the menu item.
+ * @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-38450247">HTMLOptGroupElement</a>} p_oObject Object
+ * specifying the <code><optgroup></code> element of the menu item.
+ * @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+ * one-html.html#ID-70901257">HTMLOptionElement</a>} p_oObject Object
+ * specifying the <code><option></code> element of the menu item.
+ * @param {Object} p_oConfig Optional. Object literal specifying the
+ * configuration for the menu item. See configuration class documentation
+ * for more details.
+ */
+ init: function(p_oObject, p_oConfig) {
+
+
+ if(!this.SUBMENU_TYPE) {
+
+ this.SUBMENU_TYPE = Menu;
+
+ }
+
+
+ // Create the config object
+
+ this.cfg = new YAHOO.util.Config(this);
+
+ this.initDefaultConfig();
+
+ var oConfig = this.cfg;
+
+
+ if(Lang.isString(p_oObject)) {
+
+ this._createRootNodeStructure();
+
+ oConfig.setProperty("text", p_oObject);
+
+ }
+ else if(this._checkDOMNode(p_oObject)) {
+
+ switch(p_oObject.tagName.toUpperCase()) {
+
+ case "OPTION":
+
+ this._createRootNodeStructure();
+
+ oConfig.setProperty("text", p_oObject.text);
+
+ this.srcElement = p_oObject;
+
+ break;
+
+ case "OPTGROUP":
+
+ this._createRootNodeStructure();
+
+ oConfig.setProperty("text", p_oObject.label);
+
+ this.srcElement = p_oObject;
+
+ this._initSubTree();
+
+ break;
+
+ case "LI":
+
+ // Get the anchor node (if it exists)
+
+ var oAnchor = this._getFirstElement(p_oObject, "A"),
+ sURL = "#",
+ sTarget,
+ sText;
+
+
+ // Capture the "text" and/or the "URL"
+
+ if(oAnchor) {
+
+ sURL = oAnchor.getAttribute("href");
+ sTarget = oAnchor.getAttribute("target");
+
+ if(oAnchor.innerText) {
+
+ sText = oAnchor.innerText;
+
+ }
+ else {
+
+ var oRange = oAnchor.ownerDocument.createRange();
+
+ oRange.selectNodeContents(oAnchor);
+
+ sText = oRange.toString();
+
+ }
+
+ }
+ else {
+
+ var oText = p_oObject.firstChild;
+
+ sText = oText.nodeValue;
+
+ oAnchor = document.createElement("a");
+
+ oAnchor.setAttribute("href", sURL);
+
+ p_oObject.replaceChild(oAnchor, oText);
+
+ oAnchor.appendChild(oText);
+
+ }
+
+
+ this.srcElement = p_oObject;
+ this.element = p_oObject;
+ this._oAnchor = oAnchor;
+
+
+ // Check if emphasis has been applied to the MenuItem
+
+ var oEmphasisNode = this._getFirstElement(oAnchor),
+ bEmphasis = false,
+ bStrongEmphasis = false;
+
+ if(oEmphasisNode) {
+
+ // Set a reference to the text node
+
+ this._oText = oEmphasisNode.firstChild;
+
+ switch(oEmphasisNode.tagName.toUpperCase()) {
+
+ case "EM":
+
+ bEmphasis = true;
+
+ break;
+
+ case "STRONG":
+
+ bStrongEmphasis = true;
+
+ break;
+
+ }
+
+ }
+ else {
+
+ // Set a reference to the text node
+
+ this._oText = oAnchor.firstChild;
+
+ }
+
+
+ /*
+ Set these properties silently to sync up the
+ configuration object without making changes to the
+ element's DOM
+ */
+
+ oConfig.setProperty("text", sText, true);
+ oConfig.setProperty("url", sURL, true);
+ oConfig.setProperty("target", sTarget, true);
+ oConfig.setProperty("emphasis", bEmphasis, true);
+ oConfig.setProperty(
+ "strongemphasis",
+ bStrongEmphasis,
+ true
+ );
+
+ this._initSubTree();
+
+ break;
+
+ }
+
+ }
+
+
+ if(this.element) {
+
+ var sId = this.element.id;
+
+ if(!sId) {
+
+ sId = this.id || Dom.generateId();
+
+ this.element.id = sId;
+
+ }
+
+ this.id = sId;
+
+
+ Dom.addClass(this.element, this.CSS_CLASS_NAME);
+
+
+ // Create custom events
+
+ var EVENT_TYPES = YAHOO.widget.MenuItem._EVENT_TYPES;
+
+ this.mouseOverEvent = new CustomEvent(EVENT_TYPES.MOUSE_OVER, this);
+ this.mouseOutEvent = new CustomEvent(EVENT_TYPES.MOUSE_OUT, this);
+ this.mouseDownEvent = new CustomEvent(EVENT_TYPES.MOUSE_DOWN, this);
+ this.mouseUpEvent = new CustomEvent(EVENT_TYPES.MOUSE_UP, this);
+ this.clickEvent = new CustomEvent(EVENT_TYPES.CLICK, this);
+ this.keyPressEvent = new CustomEvent(EVENT_TYPES.KEY_PRESS, this);
+ this.keyDownEvent = new CustomEvent(EVENT_TYPES.KEY_DOWN, this);
+ this.keyUpEvent = new CustomEvent(EVENT_TYPES.KEY_UP, this);
+ this.focusEvent = new CustomEvent(EVENT_TYPES.FOCUS, this);
+ this.blurEvent = new CustomEvent(EVENT_TYPES.BLUR, this);
+ this.destroyEvent = new CustomEvent(EVENT_TYPES.DESTROY, this);
+
+ if(p_oConfig) {
+
+ oConfig.applyConfig(p_oConfig);
+
+ }
+
+ oConfig.fireQueue();
+
+ }
+
+ },
+
+
+
+ // Private methods
+
+
+ /**
+ * @method _getFirstElement
+ * @description Returns an HTML element's first HTML element node.
+ * @private
+ * @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>} p_oElement Object
+ * reference specifying the element to be evaluated.
+ * @param {String} p_sTagName Optional. String specifying the tagname of
+ * the element to be retrieved.
+ * @return {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>}
+ */
+ _getFirstElement: function(p_oElement, p_sTagName) {
+
+ var oFirstChild = p_oElement.firstChild,
+ oElement;
+
+ if(oFirstChild) {
+
+ if(oFirstChild.nodeType == 1) {
+
+ oElement = oFirstChild;
+
+ }
+ else {
+
+ var oNextSibling = oFirstChild.nextSibling;
+
+ if(oNextSibling && oNextSibling.nodeType == 1) {
+
+ oElement = oNextSibling;
+
+ }
+
+ }
+
+ }
+
+
+ if(p_sTagName) {
+
+ return (oElement && oElement.tagName.toUpperCase() == p_sTagName) ?
+ oElement : false;
+
+ }
+
+ return oElement;
+
+ },
+
+
+ /**
+ * @method _checkDOMNode
+ * @description Determines if an object is an HTML element.
+ * @private
+ * @param {Object} p_oObject Object to be evaluated.
+ * @return {Boolean}
+ */
+ _checkDOMNode: function(p_oObject) {
+
+ return (p_oObject && p_oObject.tagName);
+
+ },
+
+
+ /**
+ * @method _createRootNodeStructure
+ * @description Creates the core DOM structure for the menu item.
+ * @private
+ */
+ _createRootNodeStructure: function () {
+
+ var oTemplate = YAHOO.widget.MenuItem._MenuItemTemplate;
+
+ if(!oTemplate) {
+
+ oTemplate = document.createElement("li");
+ oTemplate.innerHTML = "<a href=\"#\">s</a>";
+
+ YAHOO.widget.MenuItem._MenuItemTemplate = oTemplate;
+
+ }
+
+ this.element = oTemplate.cloneNode(true);
+ this._oAnchor = this.element.firstChild;
+ this._oText = this._oAnchor.firstChild;
+
+ this.element.appendChild(this._oAnchor);
+
+ },
+
+
+ /**
+ * @method _initSubTree
+ * @description Iterates the source element's childNodes collection and uses
+ * the child nodes to instantiate other menus.
+ * @private
+ */
+ _initSubTree: function() {
+
+ var oSrcEl = this.srcElement,
+ oConfig = this.cfg;
+
+
+ if(oSrcEl.childNodes.length > 0) {
+
+ if(
+ this.parent.lazyLoad &&
+ this.parent.srcElement &&
+ this.parent.srcElement.tagName.toUpperCase() == "SELECT"
+ ) {
+
+ oConfig.setProperty(
+ "submenu",
+ { id: Dom.generateId(), itemdata: oSrcEl.childNodes }
+ );
+
+ }
+ else {
+
+ var oNode = oSrcEl.firstChild,
+ aOptions = [];
+
+ do {
+
+ if(oNode && oNode.tagName) {
+
+ switch(oNode.tagName.toUpperCase()) {
+
+ case "DIV":
+
+ oConfig.setProperty("submenu", oNode);
+
+ break;
+
+ case "OPTION":
+
+ aOptions[aOptions.length] = oNode;
+
+ break;
+
+ }
+
+ }
+
+ }
+ while((oNode = oNode.nextSibling));
+
+
+ var nOptions = aOptions.length;
+
+ if(nOptions > 0) {
+
+ var oMenu = new this.SUBMENU_TYPE(Dom.generateId());
+
+ oConfig.setProperty("submenu", oMenu);
+
+ for(var n=0; n<nOptions; n++) {
+
+ oMenu.addItem((new oMenu.ITEM_TYPE(aOptions[n])));
+
+ }
+
+ }
+
+ }
+
+ }
+
+ },
+
+
+
+ // Event handlers for configuration properties
+
+
+ /**
+ * @method configText
+ * @description Event handler for when the "text" configuration property of
+ * the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configText: function(p_sType, p_aArgs, p_oItem) {
+
+ var sText = p_aArgs[0];
+
+
+ if(this._oText) {
+
+ this._oText.nodeValue = sText;
+
+ }
+
+ },
+
+
+ /**
+ * @method configHelpText
+ * @description Event handler for when the "helptext" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configHelpText: function(p_sType, p_aArgs, p_oItem) {
+
+ var me = this,
+ oHelpText = p_aArgs[0],
+ oEl = this.element,
+ oConfig = this.cfg,
+ aNodes = [oEl, this._oAnchor],
+ oSubmenuIndicator = this.submenuIndicator;
+
+
+ function initHelpText() {
+
+ Dom.addClass(aNodes, "hashelptext");
+
+ if(oConfig.getProperty("disabled")) {
+
+ oConfig.refireEvent("disabled");
+
+ }
+
+ if(oConfig.getProperty("selected")) {
+
+ oConfig.refireEvent("selected");
+
+ }
+
+ }
+
+
+ function removeHelpText() {
+
+ Dom.removeClass(aNodes, "hashelptext");
+
+ oEl.removeChild(me._oHelpTextEM);
+ me._oHelpTextEM = null;
+
+ }
+
+
+ if(this._checkDOMNode(oHelpText)) {
+
+ oHelpText.className = "helptext";
+
+ if(this._oHelpTextEM) {
+
+ this._oHelpTextEM.parentNode.replaceChild(
+ oHelpText,
+ this._oHelpTextEM
+ );
+
+ }
+ else {
+
+ this._oHelpTextEM = oHelpText;
+
+ oEl.insertBefore(this._oHelpTextEM, oSubmenuIndicator);
+
+ }
+
+ initHelpText();
+
+ }
+ else if(Lang.isString(oHelpText)) {
+
+ if(oHelpText.length === 0) {
+
+ removeHelpText();
+
+ }
+ else {
+
+ if(!this._oHelpTextEM) {
+
+ this._oHelpTextEM = document.createElement("em");
+ this._oHelpTextEM.className = "helptext";
+
+ oEl.insertBefore(this._oHelpTextEM, oSubmenuIndicator);
+
+ }
+
+ this._oHelpTextEM.innerHTML = oHelpText;
+
+ initHelpText();
+
+ }
+
+ }
+ else if(!oHelpText && this._oHelpTextEM) {
+
+ removeHelpText();
+
+ }
+
+ },
+
+
+ /**
+ * @method configURL
+ * @description Event handler for when the "url" configuration property of
+ * the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configURL: function(p_sType, p_aArgs, p_oItem) {
+
+ var sURL = p_aArgs[0];
+
+ if(!sURL) {
+
+ sURL = "#";
+
+ }
+
+ this._oAnchor.setAttribute("href", sURL);
+
+ },
+
+
+ /**
+ * @method configTarget
+ * @description Event handler for when the "target" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configTarget: function(p_sType, p_aArgs, p_oItem) {
+
+ var sTarget = p_aArgs[0],
+ oAnchor = this._oAnchor;
+
+ if(sTarget && sTarget.length > 0) {
+
+ oAnchor.setAttribute("target", sTarget);
+
+ }
+ else {
+
+ oAnchor.removeAttribute("target");
+
+ }
+
+ },
+
+
+ /**
+ * @method configEmphasis
+ * @description Event handler for when the "emphasis" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configEmphasis: function(p_sType, p_aArgs, p_oItem) {
+
+ var bEmphasis = p_aArgs[0],
+ oAnchor = this._oAnchor,
+ oText = this._oText,
+ oConfig = this.cfg,
+ oEM;
+
+
+ if(bEmphasis && oConfig.getProperty("strongemphasis")) {
+
+ oConfig.setProperty("strongemphasis", false);
+
+ }
+
+
+ if(oAnchor) {
+
+ if(bEmphasis) {
+
+ oEM = document.createElement("em");
+ oEM.appendChild(oText);
+
+ oAnchor.appendChild(oEM);
+
+ }
+ else {
+
+ oEM = this._getFirstElement(oAnchor, "EM");
+
+ if(oEM) {
+
+ oAnchor.removeChild(oEM);
+ oAnchor.appendChild(oText);
+
+ }
+
+ }
+
+ }
+
+ },
+
+
+ /**
+ * @method configStrongEmphasis
+ * @description Event handler for when the "strongemphasis" configuration
+ * property of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configStrongEmphasis: function(p_sType, p_aArgs, p_oItem) {
+
+ var bStrongEmphasis = p_aArgs[0],
+ oAnchor = this._oAnchor,
+ oText = this._oText,
+ oConfig = this.cfg,
+ oStrong;
+
+ if(bStrongEmphasis && oConfig.getProperty("emphasis")) {
+
+ oConfig.setProperty("emphasis", false);
+
+ }
+
+ if(oAnchor) {
+
+ if(bStrongEmphasis) {
+
+ oStrong = document.createElement("strong");
+ oStrong.appendChild(oText);
+
+ oAnchor.appendChild(oStrong);
+
+ }
+ else {
+
+ oStrong = this._getFirstElement(oAnchor, "STRONG");
+
+ if(oStrong) {
+
+ oAnchor.removeChild(oStrong);
+ oAnchor.appendChild(oText);
+
+ }
+
+ }
+
+ }
+
+ },
+
+
+ /**
+ * @method configChecked
+ * @description Event handler for when the "checked" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configChecked: function(p_sType, p_aArgs, p_oItem) {
+
+ var bChecked = p_aArgs[0],
+ oEl = this.element,
+ oConfig = this.cfg,
+ oEM;
+
+
+ if(bChecked) {
+
+ var oTemplate = YAHOO.widget.MenuItem._CheckedIndicatorTemplate;
+
+ if(!oTemplate) {
+
+ oTemplate = document.createElement("em");
+ oTemplate.innerHTML = this.CHECKED_TEXT;
+ oTemplate.className = "checkedindicator";
+
+ YAHOO.widget.MenuItem._CheckedIndicatorTemplate = oTemplate;
+
+ }
+
+ oEM = oTemplate.cloneNode(true);
+
+ var oSubmenu = this.cfg.getProperty("submenu");
+
+ if(oSubmenu && oSubmenu.element) {
+
+ oEl.insertBefore(oEM, oSubmenu.element);
+
+ }
+ else {
+
+ oEl.appendChild(oEM);
+
+ }
+
+
+ Dom.addClass(oEl, "checked");
+
+ this._oCheckedIndicator = oEM;
+
+ if(oConfig.getProperty("disabled")) {
+
+ oConfig.refireEvent("disabled");
+
+ }
+
+ if(oConfig.getProperty("selected")) {
+
+ oConfig.refireEvent("selected");
+
+ }
+
+ }
+ else {
+
+ oEM = this._oCheckedIndicator;
+
+ Dom.removeClass(oEl, "checked");
+
+ if(oEM) {
+
+ oEl.removeChild(oEM);
+
+ }
+
+ this._oCheckedIndicator = null;
+
+ }
+
+ },
+
+
+
+ /**
+ * @method configDisabled
+ * @description Event handler for when the "disabled" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configDisabled: function(p_sType, p_aArgs, p_oItem) {
+
+ var bDisabled = p_aArgs[0],
+ oConfig = this.cfg,
+ oAnchor = this._oAnchor,
+ aNodes = [this.element, oAnchor],
+ oHelpText = this._oHelpTextEM,
+ oCheckedIndicator = this._oCheckedIndicator,
+ oSubmenuIndicator = this.submenuIndicator,
+ i = 1;
+
+
+ if(oHelpText) {
+
+ i++;
+ aNodes[i] = oHelpText;
+
+ }
+
+
+ if(oCheckedIndicator) {
+
+ oCheckedIndicator.firstChild.nodeValue = bDisabled ?
+ this.DISABLED_CHECKED_TEXT :
+ this.CHECKED_TEXT;
+
+ i++;
+ aNodes[i] = oCheckedIndicator;
+
+ }
+
+
+ if(oSubmenuIndicator) {
+
+ oSubmenuIndicator.firstChild.nodeValue = bDisabled ?
+ this.DISABLED_SUBMENU_INDICATOR_TEXT :
+ this.COLLAPSED_SUBMENU_INDICATOR_TEXT;
+
+ i++;
+ aNodes[i] = oSubmenuIndicator;
+
+ }
+
+
+ if(bDisabled) {
+
+ if(oConfig.getProperty("selected")) {
+
+ oConfig.setProperty("selected", false);
+
+ }
+
+ oAnchor.removeAttribute("href");
+
+ Dom.addClass(aNodes, "disabled");
+
+ }
+ else {
+
+ oAnchor.setAttribute("href", oConfig.getProperty("url"));
+
+ Dom.removeClass(aNodes, "disabled");
+
+ }
+
+ },
+
+
+ /**
+ * @method configSelected
+ * @description Event handler for when the "selected" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configSelected: function(p_sType, p_aArgs, p_oItem) {
+
+ if(!this.cfg.getProperty("disabled")) {
+
+ var bSelected = p_aArgs[0],
+ oHelpText = this._oHelpTextEM,
+ oSubmenuIndicator = this.submenuIndicator,
+ oCheckedIndicator = this._oCheckedIndicator,
+ aNodes = [this.element, this._oAnchor],
+ i = 1;
+
+
+ if(oHelpText) {
+
+ i++;
+ aNodes[i] = oHelpText;
+
+ }
+
+
+ if(oSubmenuIndicator) {
+
+ i++;
+ aNodes[i] = oSubmenuIndicator;
+
+ }
+
+
+ if(oCheckedIndicator) {
+
+ i++;
+ aNodes[i] = oCheckedIndicator;
+
+ }
+
+
+ if(bSelected) {
+
+ Dom.addClass(aNodes, "selected");
+
+ }
+ else {
+
+ Dom.removeClass(aNodes, "selected");
+
+ }
+
+ }
+
+ },
+
+
+ /**
+ * @method configSubmenu
+ * @description Event handler for when the "submenu" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configSubmenu: function(p_sType, p_aArgs, p_oItem) {
+
+ var oEl = this.element,
+ oSubmenu = p_aArgs[0],
+ oSubmenuIndicator = this.submenuIndicator,
+ oConfig = this.cfg,
+ aNodes = [this.element, this._oAnchor],
+ bLazyLoad = this.parent && this.parent.lazyLoad,
+ oMenu;
+
+
+ if(oSubmenu) {
+
+ if(oSubmenu instanceof Menu) {
+
+ oMenu = oSubmenu;
+ oMenu.parent = this;
+ oMenu.lazyLoad = bLazyLoad;
+
+ }
+ else if(
+ typeof oSubmenu == "object" &&
+ oSubmenu.id &&
+ !oSubmenu.nodeType
+ ) {
+
+ var sSubmenuId = oSubmenu.id,
+ oSubmenuConfig = oSubmenu;
+
+ oSubmenuConfig.lazyload = bLazyLoad;
+ oSubmenuConfig.parent = this;
+
+ oMenu = new this.SUBMENU_TYPE(sSubmenuId, oSubmenuConfig);
+
+
+ // Set the value of the property to the Menu instance
+
+ this.cfg.setProperty("submenu", oMenu, true);
+
+ }
+ else {
+
+ oMenu = new this.SUBMENU_TYPE(
+ oSubmenu,
+ { lazyload: bLazyLoad, parent: this }
+ );
+
+
+ // Set the value of the property to the Menu instance
+
+ this.cfg.setProperty("submenu", oMenu, true);
+
+ }
+
+
+ if(oMenu) {
+
+ this._oSubmenu = oMenu;
+
+
+ if(!oSubmenuIndicator) {
+
+ var oTemplate =
+ YAHOO.widget.MenuItem._oSubmenuIndicatorTemplate;
+
+ if(!oTemplate) {
+
+ oTemplate = document.createElement("em");
+ oTemplate.innerHTML =
+ this.COLLAPSED_SUBMENU_INDICATOR_TEXT;
+ oTemplate.className = "submenuindicator";
+
+ YAHOO.widget.MenuItem._oSubmenuIndicatorTemplate =
+ oTemplate;
+
+ }
+
+
+ oSubmenuIndicator = oTemplate.cloneNode(true);
+
+
+ if(oMenu.element.parentNode == oEl) {
+
+ if(this.browser == "opera") {
+
+ oEl.appendChild(oSubmenuIndicator);
+
+ oMenu.renderEvent.subscribe(function() {
+
+ oSubmenuIndicator.parentNode.insertBefore(
+ oSubmenuIndicator,
+ oMenu.element
+ );
+
+ });
+
+ }
+ else {
+
+ oEl.insertBefore(oSubmenuIndicator, oMenu.element);
+
+ }
+
+ }
+ else {
+
+ oEl.appendChild(oSubmenuIndicator);
+
+ }
+
+ this.submenuIndicator = oSubmenuIndicator;
+
+ }
+
+
+ Dom.addClass(aNodes, "hassubmenu");
+
+
+ if(oConfig.getProperty("disabled")) {
+
+ oConfig.refireEvent("disabled");
+
+ }
+
+ if(oConfig.getProperty("selected")) {
+
+ oConfig.refireEvent("selected");
+
+ }
+
+ }
+
+ }
+ else {
+
+ Dom.removeClass(aNodes, "hassubmenu");
+
+ if(oSubmenuIndicator) {
+
+ oEl.removeChild(oSubmenuIndicator);
+
+ }
+
+ if(this._oSubmenu) {
+
+ this._oSubmenu.destroy();
+
+ }
+
+ }
+
+ },
+
+
+ /**
+ * @method configOnClick
+ * @description Event handler for when the "onclick" configuration property
+ * of the menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configOnClick: function(p_sType, p_aArgs, p_oItem) {
+
+ var oObject = p_aArgs[0];
+
+ /*
+ Remove any existing listeners if a "click" event handler has
+ already been specified.
+ */
+
+ if(
+ this._oOnclickAttributeValue &&
+ (this._oOnclickAttributeValue != oObject)
+ ) {
+
+ this.clickEvent.unsubscribe(
+ this._oOnclickAttributeValue.fn,
+ this._oOnclickAttributeValue.obj
+ );
+
+ this._oOnclickAttributeValue = null;
+
+ }
+
+
+ if(
+ !this._oOnclickAttributeValue &&
+ typeof oObject == "object" &&
+ typeof oObject.fn == "function"
+ ) {
+
+ this.clickEvent.subscribe(
+ oObject.fn,
+ (oObject.obj || this),
+ oObject.scope
+ );
+
+ this._oOnclickAttributeValue = oObject;
+
+ }
+
+ },
+
+
+ /**
+ * @method configClassName
+ * @description Event handler for when the "classname" configuration
+ * property of a menu item changes.
+ * @param {String} p_sType String representing the name of the event that
+ * was fired.
+ * @param {Array} p_aArgs Array of arguments sent when the event was fired.
+ * @param {YAHOO.widget.MenuItem} p_oItem Object representing the menu item
+ * that fired the event.
+ */
+ configClassName: function(p_sType, p_aArgs, p_oItem) {
+
+ var sClassName = p_aArgs[0];
+
+ if(this._sClassName) {
+
+ Dom.removeClass(this.element, this._sClassName);
+
+ }
+
+ Dom.addClass(this.element, sClassName);
+ this._sClassName = sClassName;
+
+ },
+
+
+
+ // Public methods
+
+
+ /**
+ * @method initDefaultConfig
+ * @description Initializes an item's configurable properties.
+ */
+ initDefaultConfig : function() {
+
+ var oConfig = this.cfg,
+ DEFAULT_CONFIG = YAHOO.widget.MenuItem._DEFAULT_CONFIG;
+
+
+ // Define the configuration attributes
+
+ /**
+ * @config text
+ * @description String specifying the text label for the menu item.
+ * When building a menu from existing HTML the value of this property
+ * will be interpreted from the menu's markup.
+ * @default ""
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.TEXT.key,
+ {
+ handler: this.configText,
+ value: DEFAULT_CONFIG.TEXT.value,
+ validator: DEFAULT_CONFIG.TEXT.validator,
+ suppressEvent: DEFAULT_CONFIG.TEXT.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config helptext
+ * @description String specifying additional instructional text to
+ * accompany the text for the nenu item.
+ * @default null
+ * @type String|<a href="http://www.w3.org/TR/
+ * 2000/WD-DOM-Level-1-20000929/level-one-html.html#ID-58190037">
+ * HTMLElement</a>
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.HELP_TEXT.key,
+ { handler: this.configHelpText }
+ );
+
+
+ /**
+ * @config url
+ * @description String specifying the URL for the menu item's anchor's
+ * "href" attribute. When building a menu from existing HTML the value
+ * of this property will be interpreted from the menu's markup.
+ * @default "#"
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.URL.key,
+ {
+ handler: this.configURL,
+ value: DEFAULT_CONFIG.URL.value,
+ suppressEvent: DEFAULT_CONFIG.URL.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config target
+ * @description String specifying the value for the "target" attribute
+ * of the menu item's anchor element. <strong>Specifying a target will
+ * require the user to click directly on the menu item's anchor node in
+ * order to cause the browser to navigate to the specified URL.</strong>
+ * When building a menu from existing HTML the value of this property
+ * will be interpreted from the menu's markup.
+ * @default null
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.TARGET.key,
+ {
+ handler: this.configTarget,
+ suppressEvent: DEFAULT_CONFIG.TARGET.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config emphasis
+ * @description Boolean indicating if the text of the menu item will be
+ * rendered with emphasis. When building a menu from existing HTML the
+ * value of this property will be interpreted from the menu's markup.
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.EMPHASIS.key,
+ {
+ handler: this.configEmphasis,
+ value: DEFAULT_CONFIG.EMPHASIS.value,
+ validator: DEFAULT_CONFIG.EMPHASIS.validator,
+ suppressEvent: DEFAULT_CONFIG.EMPHASIS.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config strongemphasis
+ * @description Boolean indicating if the text of the menu item will be
+ * rendered with strong emphasis. When building a menu from existing
+ * HTML the value of this property will be interpreted from the
+ * menu's markup.
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.STRONG_EMPHASIS.key,
+ {
+ handler: this.configStrongEmphasis,
+ value: DEFAULT_CONFIG.STRONG_EMPHASIS.value,
+ validator: DEFAULT_CONFIG.STRONG_EMPHASIS.validator,
+ suppressEvent: DEFAULT_CONFIG.STRONG_EMPHASIS.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config checked
+ * @description Boolean indicating if the menu item should be rendered
+ * with a checkmark.
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.CHECKED.key,
+ {
+ handler: this.configChecked,
+ value: DEFAULT_CONFIG.CHECKED.value,
+ validator: DEFAULT_CONFIG.CHECKED.validator,
+ suppressEvent: DEFAULT_CONFIG.CHECKED.suppressEvent,
+ supercedes: DEFAULT_CONFIG.CHECKED.supercedes
+ }
+ );
+
+
+ /**
+ * @config disabled
+ * @description Boolean indicating if the menu item should be disabled.
+ * (Disabled menu items are dimmed and will not respond to user input
+ * or fire events.)
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.DISABLED.key,
+ {
+ handler: this.configDisabled,
+ value: DEFAULT_CONFIG.DISABLED.value,
+ validator: DEFAULT_CONFIG.DISABLED.validator,
+ suppressEvent: DEFAULT_CONFIG.DISABLED.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config selected
+ * @description Boolean indicating if the menu item should
+ * be highlighted.
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.SELECTED.key,
+ {
+ handler: this.configSelected,
+ value: DEFAULT_CONFIG.SELECTED.value,
+ validator: DEFAULT_CONFIG.SELECTED.validator,
+ suppressEvent: DEFAULT_CONFIG.SELECTED.suppressEvent
+ }
+ );
+
+
+ /**
+ * @config submenu
+ * @description Object specifying the submenu to be appended to the
+ * menu item. The value can be one of the following: <ul><li>Object
+ * specifying a Menu instance.</li><li>Object literal specifying the
+ * menu to be created. Format: <code>{ id: [menu id], itemdata:
+ * [<a href="YAHOO.widget.Menu.html#itemData">array of values for
+ * items</a>] }</code>.</li><li>String specifying the id attribute
+ * of the <code><div></code> element of the menu.</li><li>
+ * Object specifying the <code><div></code> element of the
+ * menu.</li></ul>
+ * @default null
+ * @type Menu|String|Object|<a href="http://www.w3.org/TR/2000/
+ * WD-DOM-Level-1-20000929/level-one-html.html#ID-58190037">
+ * HTMLElement</a>
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.SUBMENU.key,
+ { handler: this.configSubmenu }
+ );
+
+
+ /**
+ * @config onclick
+ * @description Object literal representing the code to be executed when
+ * the button is clicked. Format:<br> <code> {<br>
+ * <strong>fn:</strong> Function, // The handler to call when
+ * the event fires.<br> <strong>obj:</strong> Object, // An
+ * object to pass back to the handler.<br> <strong>scope:</strong>
+ * Object // The object to use for the scope of the handler.
+ * <br> } </code>
+ * @type Object
+ * @default null
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.ONCLICK.key,
+ { handler: this.configOnClick }
+ );
+
+
+ /**
+ * @config classname
+ * @description CSS class to be applied to the menu item's root
+ * <code><li></code> element. The specified class(es) are
+ * appended in addition to the default class as specified by the menu
+ * item's CSS_CLASS_NAME constant.
+ * @default null
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.CLASS_NAME.key,
+ {
+ handler: this.configClassName,
+ value: DEFAULT_CONFIG.CLASS_NAME.value,
+ validator: DEFAULT_CONFIG.CLASS_NAME.validator
+ }
+ );
+
+ },
+
+
+ /**
+ * @method getNextEnabledSibling
+ * @description Finds the menu item's next enabled sibling.
+ * @return YAHOO.widget.MenuItem
+ */
+ getNextEnabledSibling: function() {
+
+ if(this.parent instanceof Menu) {
+
+ var nGroupIndex = this.groupIndex;
+
+ function getNextArrayItem(p_aArray, p_nStartIndex) {
+
+ return p_aArray[p_nStartIndex] ||
+ getNextArrayItem(p_aArray, (p_nStartIndex+1));
+
+ }
+
+
+ var aItemGroups = this.parent.getItemGroups(),
+ oNextItem;
+
+
+ if(this.index < (aItemGroups[nGroupIndex].length - 1)) {
+
+ oNextItem = getNextArrayItem(
+ aItemGroups[nGroupIndex],
+ (this.index+1)
+ );
+
+ }
+ else {
+
+ var nNextGroupIndex;
+
+ if(nGroupIndex < (aItemGroups.length - 1)) {
+
+ nNextGroupIndex = nGroupIndex + 1;
+
+ }
+ else {
+
+ nNextGroupIndex = 0;
+
+ }
+
+ var aNextGroup = getNextArrayItem(aItemGroups, nNextGroupIndex);
+
+ // Retrieve the first menu item in the next group
+
+ oNextItem = getNextArrayItem(aNextGroup, 0);
+
+ }
+
+ return (
+ oNextItem.cfg.getProperty("disabled") ||
+ oNextItem.element.style.display == "none"
+ ) ?
+ oNextItem.getNextEnabledSibling() : oNextItem;
+
+ }
+
+ },
+
+
+ /**
+ * @method getPreviousEnabledSibling
+ * @description Finds the menu item's previous enabled sibling.
+ * @return {YAHOO.widget.MenuItem}
+ */
+ getPreviousEnabledSibling: function() {
+
+ if(this.parent instanceof Menu) {
+
+ var nGroupIndex = this.groupIndex;
+
+ function getPreviousArrayItem(p_aArray, p_nStartIndex) {
+
+ return p_aArray[p_nStartIndex] ||
+ getPreviousArrayItem(p_aArray, (p_nStartIndex-1));
+
+ }
+
+ function getFirstItemIndex(p_aArray, p_nStartIndex) {
+
+ return p_aArray[p_nStartIndex] ?
+ p_nStartIndex :
+ getFirstItemIndex(p_aArray, (p_nStartIndex+1));
+
+ }
+
+ var aItemGroups = this.parent.getItemGroups(),
+ oPreviousItem;
+
+ if(
+ this.index > getFirstItemIndex(aItemGroups[nGroupIndex], 0)
+ ) {
+
+ oPreviousItem =
+ getPreviousArrayItem(
+ aItemGroups[nGroupIndex],
+ (this.index-1)
+ );
+
+ }
+ else {
+
+ var nPreviousGroupIndex;
+
+ if(nGroupIndex > getFirstItemIndex(aItemGroups, 0)) {
+
+ nPreviousGroupIndex = nGroupIndex - 1;
+
+ }
+ else {
+
+ nPreviousGroupIndex = aItemGroups.length - 1;
+
+ }
+
+ var aPreviousGroup =
+ getPreviousArrayItem(aItemGroups, nPreviousGroupIndex);
+
+ oPreviousItem =
+ getPreviousArrayItem(
+ aPreviousGroup,
+ (aPreviousGroup.length - 1)
+ );
+
+ }
+
+ return (
+ oPreviousItem.cfg.getProperty("disabled") ||
+ oPreviousItem.element.style.display == "none"
+ ) ?
+ oPreviousItem.getPreviousEnabledSibling() : oPreviousItem;
+
+ }
+
+ },
+
+
+ /**
+ * @method focus
+ * @description Causes the menu item to receive the focus and fires the
+ * focus event.
+ */
+ focus: function() {
+
+ var oParent = this.parent,
+ oAnchor = this._oAnchor,
+ oActiveItem = oParent.activeItem,
+ me = this;
+
+
+ function setFocus() {
+
+ try {
+
+ if (
+ (me.browser == "ie" || me.browser == "ie7") &&
+ !document.hasFocus()
+ ) {
+
+ return;
+
+ }
+
+ oAnchor.focus();
+
+ }
+ catch(e) {
+
+ }
+
+ }
+
+
+ if(
+ !this.cfg.getProperty("disabled") &&
+ oParent &&
+ oParent.cfg.getProperty("visible") &&
+ this.element.style.display != "none"
+ ) {
+
+ if(oActiveItem) {
+
+ oActiveItem.blur();
+
+ }
+
+
+ /*
+ Setting focus via a timer fixes a race condition in Firefox, IE
+ and Opera where the browser viewport jumps as it trys to
+ position and focus the menu.
+ */
+
+ window.setTimeout(setFocus, 0);
+
+ this.focusEvent.fire();
+
+ }
+
+ },
+
+
+ /**
+ * @method blur
+ * @description Causes the menu item to lose focus and fires the
+ * blur event.
+ */
+ blur: function() {
+
+ var oParent = this.parent;
+
+ if(
+ !this.cfg.getProperty("disabled") &&
+ oParent &&
+ Dom.getStyle(oParent.element, "visibility") == "visible"
+ ) {
+
+ this._oAnchor.blur();
+
+ this.blurEvent.fire();
+
+ }
+
+ },
+
+
+ /**
+ * @method hasFocus
+ * @description Returns a boolean indicating whether or not the menu item
+ * has focus.
+ * @return {Boolean}
+ */
+ hasFocus: function() {
+
+ return (YAHOO.widget.MenuManager.getFocusedMenuItem() == this);
+
+ },
+
+
+ /**
+ * @method destroy
+ * @description Removes the menu item's <code><li></code> element
+ * from its parent <code><ul></code> element.
+ */
+ destroy: function() {
+
+ var oEl = this.element;
+
+ if(oEl) {
+
+
+ // If the item has a submenu, destroy it first
+
+ var oSubmenu = this.cfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ oSubmenu.destroy();
+
+ }
+
+
+ // Remove CustomEvent listeners
+
+ this.mouseOverEvent.unsubscribeAll();
+ this.mouseOutEvent.unsubscribeAll();
+ this.mouseDownEvent.unsubscribeAll();
+ this.mouseUpEvent.unsubscribeAll();
+ this.clickEvent.unsubscribeAll();
+ this.keyPressEvent.unsubscribeAll();
+ this.keyDownEvent.unsubscribeAll();
+ this.keyUpEvent.unsubscribeAll();
+ this.focusEvent.unsubscribeAll();
+ this.blurEvent.unsubscribeAll();
+ this.cfg.configChangedEvent.unsubscribeAll();
+
+
+ // Remove the element from the parent node
+
+ var oParentNode = oEl.parentNode;
+
+ if(oParentNode) {
+
+ oParentNode.removeChild(oEl);
+
+ this.destroyEvent.fire();
+
+ }
+
+ this.destroyEvent.unsubscribeAll();
+
+ }
+
+ },
+
+
+ /**
+ * @method toString
+ * @description Returns a string representing the menu item.
+ * @return {String}
+ */
+ toString: function() {
+
+ return ("MenuItem: " + this.cfg.getProperty("text"));
+
+ }
+
+};
+
+})();
+
+
+
+/**
+* Creates a list of options or commands which are made visible in response to
+* an HTML element's "contextmenu" event ("mousedown" for Opera).
+*
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><div></code> element of the context menu.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><select></code> element to be used as the data source for the
+* context menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-
+* html.html#ID-22445964">HTMLDivElement</a>} p_oElement Object specifying the
+* <code><div></code> element of the context menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-
+* html.html#ID-94282980">HTMLSelectElement</a>} p_oElement Object specifying
+* the <code><select></code> element to be used as the data source for
+* the context menu.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the context menu. See configuration class documentation
+* for more details.
+* @class ContextMenu
+* @constructor
+* @extends YAHOO.widget.Menu
+* @namespace YAHOO.widget
+*/
+YAHOO.widget.ContextMenu = function(p_oElement, p_oConfig) {
+
+ YAHOO.widget.ContextMenu.superclass.constructor.call(
+ this,
+ p_oElement,
+ p_oConfig
+ );
+
+};
+
+
+/**
+* Constant representing the name of the ContextMenu's events
+* @property YAHOO.widget.ContextMenu._EVENT_TYPES
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.ContextMenu._EVENT_TYPES = {
+
+ "TRIGGER_CONTEXT_MENU": "triggerContextMenu",
+
+ "CONTEXT_MENU": (
+ (YAHOO.widget.Module.prototype.browser == "opera" ?
+ "mousedown" : "contextmenu")
+ ),
+ "CLICK": "click"
+
+};
+
+
+/**
+* Constant representing the ContextMenu's configuration properties
+* @property YAHOO.widget.ContextMenu._DEFAULT_CONFIG
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.ContextMenu._DEFAULT_CONFIG = {
+
+ "TRIGGER": {
+ key: "trigger"
+ }
+
+};
+
+
+YAHOO.lang.extend(YAHOO.widget.ContextMenu, YAHOO.widget.Menu, {
+
+
+
+// Private properties
+
+
+/**
+* @property _oTrigger
+* @description Object reference to the current value of the "trigger"
+* configuration property.
+* @default null
+* @private
+* @type String|<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/leve
+* l-one-html.html#ID-58190037">HTMLElement</a>|Array
+*/
+_oTrigger: null,
+
+
+/**
+* @property _bCancelled
+* @description Boolean indicating if the display of the context menu should
+* be cancelled.
+* @default false
+* @private
+* @type Boolean
+*/
+_bCancelled: false,
+
+
+
+// Public properties
+
+
+/**
+* @property contextEventTarget
+* @description Object reference for the HTML element that was the target of the
+* "contextmenu" DOM event ("mousedown" for Opera) that triggered the display of
+* the context menu.
+* @default null
+* @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-
+* html.html#ID-58190037">HTMLElement</a>
+*/
+contextEventTarget: null,
+
+
+
+// Events
+
+
+/**
+* @event triggerContextMenuEvent
+* @description Custom Event wrapper for the "contextmenu" DOM event
+* ("mousedown" for Opera) fired by the element(s) that trigger the display of
+* the context menu.
+*/
+triggerContextMenuEvent: null,
+
+
+
+/**
+* @method init
+* @description The ContextMenu class's initialization method. This method is
+* automatically called by the constructor, and sets up all DOM references for
+* pre-existing markup, and creates required markup if it is not already present.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><div></code> element of the context menu.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><select></code> element to be used as the data source for
+* the context menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-
+* html.html#ID-22445964">HTMLDivElement</a>} p_oElement Object specifying the
+* <code><div></code> element of the context menu.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-
+* html.html#ID-94282980">HTMLSelectElement</a>} p_oElement Object specifying
+* the <code><select></code> element to be used as the data source for
+* the context menu.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the context menu. See configuration class documentation
+* for more details.
+*/
+init: function(p_oElement, p_oConfig) {
+
+ if(!this.ITEM_TYPE) {
+
+ this.ITEM_TYPE = YAHOO.widget.ContextMenuItem;
+
+ }
+
+
+ // Call the init of the superclass (YAHOO.widget.Menu)
+
+ YAHOO.widget.ContextMenu.superclass.init.call(this, p_oElement);
+
+
+ this.beforeInitEvent.fire(YAHOO.widget.ContextMenu);
+
+
+ if(p_oConfig) {
+
+ this.cfg.applyConfig(p_oConfig, true);
+
+ }
+
+
+ this.initEvent.fire(YAHOO.widget.ContextMenu);
+
+},
+
+
+/**
+* @method initEvents
+* @description Initializes the custom events for the context menu.
+*/
+initEvents: function() {
+
+ YAHOO.widget.ContextMenu.superclass.initEvents.call(this);
+
+ // Create custom events
+
+ this.triggerContextMenuEvent =
+
+ new YAHOO.util.CustomEvent(
+ YAHOO.widget.ContextMenu._EVENT_TYPES.TRIGGER_CONTEXT_MENU,
+ this
+ );
+
+},
+
+
+/**
+* @method cancel
+* @description Cancels the display of the context menu.
+*/
+cancel: function() {
+
+ this._bCancelled = true;
+
+},
+
+
+
+// Private methods
+
+
+/**
+* @method _removeEventHandlers
+* @description Removes all of the DOM event handlers from the HTML element(s)
+* whose "context menu" event ("click" for Opera) trigger the display of
+* the context menu.
+* @private
+*/
+_removeEventHandlers: function() {
+
+ var Event = YAHOO.util.Event,
+ oTrigger = this._oTrigger;
+
+
+ // Remove the event handlers from the trigger(s)
+
+ if (oTrigger) {
+
+ Event.removeListener(
+ oTrigger,
+ YAHOO.widget.ContextMenu._EVENT_TYPES.CONTEXT_MENU,
+ this._onTriggerContextMenu
+ );
+
+ if(this.browser == "opera") {
+
+ Event.removeListener(
+ oTrigger,
+ YAHOO.widget.ContextMenu._EVENT_TYPES.CLICK,
+ this._onTriggerClick
+ );
+
+ }
+
+ }
+
+},
+
+
+
+// Private event handlers
+
+
+/**
+* @method _onTriggerClick
+* @description "click" event handler for the HTML element(s) identified as the
+* "trigger" for the context menu. Used to cancel default behaviors in Opera.
+* @private
+* @param {Event} p_oEvent Object representing the DOM event object passed back
+* by the event utility (YAHOO.util.Event).
+* @param {YAHOO.widget.ContextMenu} p_oMenu Object representing the context
+* menu that is handling the event.
+*/
+_onTriggerClick: function(p_oEvent, p_oMenu) {
+
+ if(p_oEvent.ctrlKey) {
+
+ YAHOO.util.Event.stopEvent(p_oEvent);
+
+ }
+
+},
+
+
+/**
+* @method _onTriggerContextMenu
+* @description "contextmenu" event handler ("mousedown" for Opera) for the HTML
+* element(s) that trigger the display of the context menu.
+* @private
+* @param {Event} p_oEvent Object representing the DOM event object passed back
+* by the event utility (YAHOO.util.Event).
+* @param {YAHOO.widget.ContextMenu} p_oMenu Object representing the context
+* menu that is handling the event.
+*/
+_onTriggerContextMenu: function(p_oEvent, p_oMenu) {
+
+ var Event = YAHOO.util.Event;
+
+ if(p_oEvent.type == "mousedown" && !p_oEvent.ctrlKey) {
+
+ return;
+
+ }
+
+
+ /*
+ Prevent the browser's default context menu from appearing and
+ stop the propagation of the "contextmenu" event so that
+ other ContextMenu instances are not displayed.
+ */
+
+ Event.stopEvent(p_oEvent);
+
+
+ // Hide any other ContextMenu instances that might be visible
+
+ YAHOO.widget.MenuManager.hideVisible();
+
+
+ this.contextEventTarget = Event.getTarget(p_oEvent);
+
+ this.triggerContextMenuEvent.fire(p_oEvent);
+
+
+ if(!this._bCancelled) {
+
+ // Position and display the context menu
+
+ this.cfg.setProperty("xy", Event.getXY(p_oEvent));
+
+ this.show();
+
+ }
+
+ this._bCancelled = false;
+
+},
+
+
+
+// Public methods
+
+
+/**
+* @method toString
+* @description Returns a string representing the context menu.
+* @return {String}
+*/
+toString: function() {
+
+ return ("ContextMenu " + this.id);
+
+},
+
+
+/**
+* @method initDefaultConfig
+* @description Initializes the class's configurable properties which can be
+* changed using the context menu's Config object ("cfg").
+*/
+initDefaultConfig: function() {
+
+ YAHOO.widget.ContextMenu.superclass.initDefaultConfig.call(this);
+
+ /**
+ * @config trigger
+ * @description The HTML element(s) whose "contextmenu" event ("mousedown"
+ * for Opera) trigger the display of the context menu. Can be a string
+ * representing the id attribute of the HTML element, an object reference
+ * for the HTML element, or an array of strings or HTML element references.
+ * @default null
+ * @type String|<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
+ * level-one-html.html#ID-58190037">HTMLElement</a>|Array
+ */
+ this.cfg.addProperty(
+ YAHOO.widget.ContextMenu._DEFAULT_CONFIG.TRIGGER.key,
+ { handler: this.configTrigger }
+ );
+
+},
+
+
+/**
+* @method destroy
+* @description Removes the context menu's <code><div></code> element
+* (and accompanying child nodes) from the document.
+*/
+destroy: function() {
+
+ // Remove the DOM event handlers from the current trigger(s)
+
+ this._removeEventHandlers();
+
+
+ // Continue with the superclass implementation of this method
+
+ YAHOO.widget.ContextMenu.superclass.destroy.call(this);
+
+},
+
+
+
+// Public event handlers for configuration properties
+
+
+/**
+* @method configTrigger
+* @description Event handler for when the value of the "trigger" configuration
+* property changes.
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.ContextMenu} p_oMenu Object representing the context
+* menu that fired the event.
+*/
+configTrigger: function(p_sType, p_aArgs, p_oMenu) {
+
+ var Event = YAHOO.util.Event,
+ oTrigger = p_aArgs[0];
+
+ if(oTrigger) {
+
+ /*
+ If there is a current "trigger" - remove the event handlers
+ from that element(s) before assigning new ones
+ */
+
+ if(this._oTrigger) {
+
+ this._removeEventHandlers();
+
+ }
+
+ this._oTrigger = oTrigger;
+
+
+ /*
+ Listen for the "mousedown" event in Opera b/c it does not
+ support the "contextmenu" event
+ */
+
+ Event.on(
+ oTrigger,
+ YAHOO.widget.ContextMenu._EVENT_TYPES.CONTEXT_MENU,
+ this._onTriggerContextMenu,
+ this,
+ true
+ );
+
+
+ /*
+ Assign a "click" event handler to the trigger element(s) for
+ Opera to prevent default browser behaviors.
+ */
+
+ if(this.browser == "opera") {
+
+ Event.on(
+ oTrigger,
+ YAHOO.widget.ContextMenu._EVENT_TYPES.CLICK,
+ this._onTriggerClick,
+ this,
+ true
+ );
+
+ }
+
+ }
+ else {
+
+ this._removeEventHandlers();
+
+ }
+
+}
+
+}); // END YAHOO.lang.extend
+
+
+
+/**
+* Creates an item for a context menu.
+*
+* @param {String} p_oObject String specifying the text of the context menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-74680021">HTMLLIElement</a>} p_oObject Object specifying the
+* <code><li></code> element of the context menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-38450247">HTMLOptGroupElement</a>} p_oObject Object
+* specifying the <code><optgroup></code> element of the context
+* menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-70901257">HTMLOptionElement</a>} p_oObject Object specifying
+* the <code><option></code> element of the context menu item.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the context menu item. See configuration class
+* documentation for more details.
+* @class ContextMenuItem
+* @constructor
+* @extends YAHOO.widget.MenuItem
+*/
+YAHOO.widget.ContextMenuItem = function(p_oObject, p_oConfig) {
+
+ YAHOO.widget.ContextMenuItem.superclass.constructor.call(
+ this,
+ p_oObject,
+ p_oConfig
+ );
+
+};
+
+YAHOO.lang.extend(YAHOO.widget.ContextMenuItem, YAHOO.widget.MenuItem, {
+
+
+/**
+* @method init
+* @description The ContextMenuItem class's initialization method. This method
+* is automatically called by the constructor, and sets up all DOM references
+* for pre-existing markup, and creates required markup if it is not
+* already present.
+* @param {String} p_oObject String specifying the text of the context menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-74680021">HTMLLIElement</a>} p_oObject Object specifying the
+* <code><li></code> element of the context menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-38450247">HTMLOptGroupElement</a>} p_oObject Object
+* specifying the <code><optgroup></code> element of the context
+* menu item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-70901257">HTMLOptionElement</a>} p_oObject Object specifying
+* the <code><option></code> element of the context menu item.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the context menu item. See configuration class
+* documentation for more details.
+*/
+init: function(p_oObject, p_oConfig) {
+
+ if(!this.SUBMENU_TYPE) {
+
+ this.SUBMENU_TYPE = YAHOO.widget.ContextMenu;
+
+ }
+
+
+ /*
+ Call the init of the superclass (YAHOO.widget.MenuItem)
+ Note: We don't pass the user config in here yet
+ because we only want it executed once, at the lowest
+ subclass level.
+ */
+
+ YAHOO.widget.ContextMenuItem.superclass.init.call(this, p_oObject);
+
+ var oConfig = this.cfg;
+
+ if(p_oConfig) {
+
+ oConfig.applyConfig(p_oConfig, true);
+
+ }
+
+ oConfig.fireQueue();
+
+},
+
+
+
+// Public methods
+
+
+/**
+* @method toString
+* @description Returns a string representing the context menu item.
+* @return {String}
+*/
+toString: function() {
+
+ return ("ContextMenuItem: " + this.cfg.getProperty("text"));
+
+}
+
+}); // END YAHOO.lang.extend
+
+
+
+/**
+* Horizontal collection of items, each of which can contain a submenu.
+*
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><div></code> element of the menu bar.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><select></code> element to be used as the data source for the
+* menu bar.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-22445964">HTMLDivElement</a>} p_oElement Object specifying
+* the <code><div></code> element of the menu bar.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-94282980">HTMLSelectElement</a>} p_oElement Object
+* specifying the <code><select></code> element to be used as the data
+* source for the menu bar.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu bar. See configuration class documentation for
+* more details.
+* @class Menubar
+* @constructor
+* @extends YAHOO.widget.Menu
+* @namespace YAHOO.widget
+*/
+YAHOO.widget.MenuBar = function(p_oElement, p_oConfig) {
+
+ YAHOO.widget.MenuBar.superclass.constructor.call(
+ this,
+ p_oElement,
+ p_oConfig
+ );
+
+};
+
+
+/**
+* Constant representing the MenuBar's configuration properties
+* @property YAHOO.widget.MenuBar._DEFAULT_CONFIG
+* @private
+* @final
+* @type Object
+*/
+YAHOO.widget.MenuBar._DEFAULT_CONFIG = {
+
+ "POSITION": {
+ key: "position",
+ value: "static",
+ validator: YAHOO.widget.Menu._checkPosition,
+ supercedes: ["visible"]
+ },
+
+ "SUBMENU_ALIGNMENT": {
+ key: "submenualignment",
+ value: ["tl","bl"]
+ },
+
+ "AUTO_SUBMENU_DISPLAY": {
+ key: "autosubmenudisplay",
+ value: false,
+ validator: YAHOO.lang.isBoolean
+ }
+
+};
+
+
+
+YAHOO.lang.extend(YAHOO.widget.MenuBar, YAHOO.widget.Menu, {
+
+/**
+* @method init
+* @description The MenuBar class's initialization method. This method is
+* automatically called by the constructor, and sets up all DOM references for
+* pre-existing markup, and creates required markup if it is not already present.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><div></code> element of the menu bar.
+* @param {String} p_oElement String specifying the id attribute of the
+* <code><select></code> element to be used as the data source for the
+* menu bar.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-22445964">HTMLDivElement</a>} p_oElement Object specifying
+* the <code><div></code> element of the menu bar.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-94282980">HTMLSelectElement</a>} p_oElement Object
+* specifying the <code><select></code> element to be used as the data
+* source for the menu bar.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu bar. See configuration class documentation for
+* more details.
+*/
+init: function(p_oElement, p_oConfig) {
+
+ if(!this.ITEM_TYPE) {
+
+ this.ITEM_TYPE = YAHOO.widget.MenuBarItem;
+
+ }
+
+
+ // Call the init of the superclass (YAHOO.widget.Menu)
+
+ YAHOO.widget.MenuBar.superclass.init.call(this, p_oElement);
+
+
+ this.beforeInitEvent.fire(YAHOO.widget.MenuBar);
+
+
+ if(p_oConfig) {
+
+ this.cfg.applyConfig(p_oConfig, true);
+
+ }
+
+ this.initEvent.fire(YAHOO.widget.MenuBar);
+
+},
+
+
+
+// Constants
+
+
+/**
+* @property CSS_CLASS_NAME
+* @description String representing the CSS class(es) to be applied to the menu
+* bar's <code><div></code> element.
+* @default "yuimenubar"
+* @final
+* @type String
+*/
+CSS_CLASS_NAME: "yuimenubar",
+
+
+
+// Protected event handlers
+
+
+/**
+* @method _onKeyDown
+* @description "keydown" Custom Event handler for the menu bar.
+* @private
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.MenuBar} p_oMenuBar Object representing the menu bar
+* that fired the event.
+*/
+_onKeyDown: function(p_sType, p_aArgs, p_oMenuBar) {
+
+ var Event = YAHOO.util.Event,
+ oEvent = p_aArgs[0],
+ oItem = p_aArgs[1],
+ oSubmenu;
+
+
+ if(oItem && !oItem.cfg.getProperty("disabled")) {
+
+ var oItemCfg = oItem.cfg;
+
+ switch(oEvent.keyCode) {
+
+ case 37: // Left arrow
+ case 39: // Right arrow
+
+ if(
+ oItem == this.activeItem &&
+ !oItemCfg.getProperty("selected")
+ ) {
+
+ oItemCfg.setProperty("selected", true);
+
+ }
+ else {
+
+ var oNextItem = (oEvent.keyCode == 37) ?
+ oItem.getPreviousEnabledSibling() :
+ oItem.getNextEnabledSibling();
+
+ if(oNextItem) {
+
+ this.clearActiveItem();
+
+ oNextItem.cfg.setProperty("selected", true);
+
+
+ if(this.cfg.getProperty("autosubmenudisplay")) {
+
+ oSubmenu = oNextItem.cfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ oSubmenu.show();
+
+ }
+
+ }
+
+ oNextItem.focus();
+
+ }
+
+ }
+
+ Event.preventDefault(oEvent);
+
+ break;
+
+ case 40: // Down arrow
+
+ if(this.activeItem != oItem) {
+
+ this.clearActiveItem();
+
+ oItemCfg.setProperty("selected", true);
+ oItem.focus();
+
+ }
+
+ oSubmenu = oItemCfg.getProperty("submenu");
+
+ if(oSubmenu) {
+
+ if(oSubmenu.cfg.getProperty("visible")) {
+
+ oSubmenu.setInitialSelection();
+ oSubmenu.setInitialFocus();
+
+ }
+ else {
+
+ oSubmenu.show();
+
+ }
+
+ }
+
+ Event.preventDefault(oEvent);
+
+ break;
+
+ }
+
+ }
+
+
+ if(oEvent.keyCode == 27 && this.activeItem) { // Esc key
+
+ oSubmenu = this.activeItem.cfg.getProperty("submenu");
+
+ if(oSubmenu && oSubmenu.cfg.getProperty("visible")) {
+
+ oSubmenu.hide();
+ this.activeItem.focus();
+
+ }
+ else {
+
+ this.activeItem.cfg.setProperty("selected", false);
+ this.activeItem.blur();
+
+ }
+
+ Event.preventDefault(oEvent);
+
+ }
+
+},
+
+
+/**
+* @method _onClick
+* @description "click" event handler for the menu bar.
+* @protected
+* @param {String} p_sType String representing the name of the event that
+* was fired.
+* @param {Array} p_aArgs Array of arguments sent when the event was fired.
+* @param {YAHOO.widget.MenuBar} p_oMenuBar Object representing the menu bar
+* that fired the event.
+*/
+_onClick: function(p_sType, p_aArgs, p_oMenuBar) {
+
+ YAHOO.widget.MenuBar.superclass._onClick.call(
+ this,
+ p_sType,
+ p_aArgs,
+ p_oMenuBar
+ );
+
+
+ var oItem = p_aArgs[1];
+
+ if(oItem && !oItem.cfg.getProperty("disabled")) {
+
+ var Event = YAHOO.util.Event,
+ Dom = YAHOO.util.Dom,
+
+ oEvent = p_aArgs[0],
+ oTarget = Event.getTarget(oEvent),
+
+ oActiveItem = this.activeItem,
+ oConfig = this.cfg;
+
+
+ // Hide any other submenus that might be visible
+
+ if(oActiveItem && oActiveItem != oItem) {
+
+ this.clearActiveItem();
+
+ }
+
+
+ oItem.cfg.setProperty("selected", true);
+
+
+ // Show the submenu for the item
+
+ var oSubmenu = oItem.cfg.getProperty("submenu");
+
+
+ if(oSubmenu && oTarget != oItem.submenuIndicator) {
+
+ if(oSubmenu.cfg.getProperty("visible")) {
+
+ oSubmenu.hide();
+
+ }
+ else {
+
+ oSubmenu.show();
+
+ }
+
+ }
+
+ }
+
+},
+
+
+
+// Public methods
+
+
+/**
+* @method toString
+* @description Returns a string representing the menu bar.
+* @return {String}
+*/
+toString: function() {
+
+ return ("MenuBar " + this.id);
+
+},
+
+
+/**
+* @description Initializes the class's configurable properties which can be
+* changed using the menu bar's Config object ("cfg").
+* @method initDefaultConfig
+*/
+initDefaultConfig: function() {
+
+ YAHOO.widget.MenuBar.superclass.initDefaultConfig.call(this);
+
+ var oConfig = this.cfg,
+ DEFAULT_CONFIG = YAHOO.widget.MenuBar._DEFAULT_CONFIG;
+
+ // Add configuration properties
+
+
+ /*
+ Set the default value for the "position" configuration property
+ to "static" by re-adding the property.
+ */
+
+
+ /**
+ * @config position
+ * @description String indicating how a menu bar should be positioned on the
+ * screen. Possible values are "static" and "dynamic." Static menu bars
+ * are visible by default and reside in the normal flow of the document
+ * (CSS position: static). Dynamic menu bars are hidden by default, reside
+ * out of the normal flow of the document (CSS position: absolute), and can
+ * overlay other elements on the screen.
+ * @default static
+ * @type String
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.POSITION.key,
+ {
+ handler: this.configPosition,
+ value: DEFAULT_CONFIG.POSITION.value,
+ validator: DEFAULT_CONFIG.POSITION.validator,
+ supercedes: DEFAULT_CONFIG.POSITION.supercedes
+ }
+ );
+
+
+ /*
+ Set the default value for the "submenualignment" configuration property
+ to ["tl","bl"] by re-adding the property.
+ */
+
+ /**
+ * @config submenualignment
+ * @description Array defining how submenus should be aligned to their
+ * parent menu bar item. The format is: [itemCorner, submenuCorner].
+ * @default ["tl","bl"]
+ * @type Array
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.SUBMENU_ALIGNMENT.key,
+ {
+ value: DEFAULT_CONFIG.SUBMENU_ALIGNMENT.value
+ }
+ );
+
+
+ /*
+ Change the default value for the "autosubmenudisplay" configuration
+ property to "false" by re-adding the property.
+ */
+
+ /**
+ * @config autosubmenudisplay
+ * @description Boolean indicating if submenus are automatically made
+ * visible when the user mouses over the menu bar's items.
+ * @default false
+ * @type Boolean
+ */
+ oConfig.addProperty(
+ DEFAULT_CONFIG.AUTO_SUBMENU_DISPLAY.key,
+ {
+ value: DEFAULT_CONFIG.AUTO_SUBMENU_DISPLAY.value,
+ validator: DEFAULT_CONFIG.AUTO_SUBMENU_DISPLAY.validator
+ }
+ );
+
+}
+
+}); // END YAHOO.lang.extend
+
+
+
+/**
+* Creates an item for a menu bar.
+*
+* @param {String} p_oObject String specifying the text of the menu bar item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-74680021">HTMLLIElement</a>} p_oObject Object specifying the
+* <code><li></code> element of the menu bar item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-38450247">HTMLOptGroupElement</a>} p_oObject Object
+* specifying the <code><optgroup></code> element of the menu bar item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-70901257">HTMLOptionElement</a>} p_oObject Object specifying
+* the <code><option></code> element of the menu bar item.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu bar item. See configuration class documentation
+* for more details.
+* @class MenuBarItem
+* @constructor
+* @extends YAHOO.widget.MenuItem
+*/
+YAHOO.widget.MenuBarItem = function(p_oObject, p_oConfig) {
+
+ YAHOO.widget.MenuBarItem.superclass.constructor.call(
+ this,
+ p_oObject,
+ p_oConfig
+ );
+
+};
+
+YAHOO.lang.extend(YAHOO.widget.MenuBarItem, YAHOO.widget.MenuItem, {
+
+
+/**
+* @method init
+* @description The MenuBarItem class's initialization method. This method is
+* automatically called by the constructor, and sets up all DOM references for
+* pre-existing markup, and creates required markup if it is not already present.
+* @param {String} p_oObject String specifying the text of the menu bar item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-74680021">HTMLLIElement</a>} p_oObject Object specifying the
+* <code><li></code> element of the menu bar item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-38450247">HTMLOptGroupElement</a>} p_oObject Object
+* specifying the <code><optgroup></code> element of the menu bar item.
+* @param {<a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-
+* one-html.html#ID-70901257">HTMLOptionElement</a>} p_oObject Object specifying
+* the <code><option></code> element of the menu bar item.
+* @param {Object} p_oConfig Optional. Object literal specifying the
+* configuration for the menu bar item. See configuration class documentation
+* for more details.
+*/
+init: function(p_oObject, p_oConfig) {
+
+ if(!this.SUBMENU_TYPE) {
+
+ this.SUBMENU_TYPE = YAHOO.widget.Menu;
+
+ }
+
+
+ /*
+ Call the init of the superclass (YAHOO.widget.MenuItem)
+ Note: We don't pass the user config in here yet
+ because we only want it executed once, at the lowest
+ subclass level.
+ */
+
+ YAHOO.widget.MenuBarItem.superclass.init.call(this, p_oObject);
+
+
+ var oConfig = this.cfg;
+
+ if(p_oConfig) {
+
+ oConfig.applyConfig(p_oConfig, true);
+
+ }
+
+ oConfig.fireQueue();
+
+},
+
+
+
+// Constants
+
+/**
+* @property CSS_CLASS_NAME
+* @description String representing the CSS class(es) to be applied to the
+* <code><li></code> element of the menu bar item.
+* @default "yuimenubaritem"
+* @final
+* @type String
+*/
+CSS_CLASS_NAME: "yuimenubaritem",
+
+
+
+// Public methods
+
+
+/**
+* @method toString
+* @description Returns a string representing the menu bar item.
+* @return {String}
+*/
+toString: function() {
+
+ return ("MenuBarItem: " + this.cfg.getProperty("text"));
+
+}
+
+}); // END YAHOO.lang.extend
+YAHOO.register("menu", YAHOO.widget.Menu, {version: "2.2.1", build: "193"});
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