Yahoo! UI Library

Menu  2.8.0r4

Yahoo! UI Library > menu > YAHOO.widget.ContextMenu
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Class YAHOO.widget.ContextMenu - extends YAHOO.widget.Menu

Creates a list of options or commands which are made visible in response to an HTML element's "contextmenu" event ("mousedown" for Opera).

Constructor

YAHOO.widget.ContextMenu ( p_oElement , p_oConfig )
Parameters:
p_oElement <String> String specifying the id attribute of the <div> element of the context menu.
p_oElement <String> String specifying the id attribute of the <select> element to be used as the data source for the context menu.
p_oElement <HTMLDivElement> Object specifying the <div> element of the context menu.
p_oElement <HTMLSelectElement> Object specifying the <select> element to be used as the data source for the context menu.
p_oConfig <Object> Optional. Object literal specifying the configuration for the context menu. See configuration class documentation for more details.

Properties

_bCancelled - private Boolean

Boolean indicating if the display of the context menu should be cancelled.
Default Value: false

_oTrigger - private String|HTMLElement|Array

Object reference to the current value of the "trigger" configuration property.
Default Value: null

contextEventTarget - HTMLElement

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 Value: null

DEFAULT_CONFIG - private final Object

Constant representing the ContextMenu's configuration properties

EVENT_TYPES - private final Object

Constant representing the name of the ContextMenu's events

Methods

_onTriggerClick

private void _onTriggerClick ( p_oEvent , p_oMenu )
"click" event handler for the HTML element(s) identified as the "trigger" for the context menu. Used to cancel default behaviors in Opera.
Parameters:
p_oEvent <Event> Object representing the DOM event object passed back by the event utility (YAHOO.util.Event).
p_oMenu <YAHOO.widget.ContextMenu> Object representing the context menu that is handling the event.
Returns: void

_onTriggerContextMenu

private void _onTriggerContextMenu ( p_oEvent , p_oMenu )
"contextmenu" event handler ("mousedown" for Opera) for the HTML element(s) that trigger the display of the context menu.
Parameters:
p_oEvent <Event> Object representing the DOM event object passed back by the event utility (YAHOO.util.Event).
p_oMenu <YAHOO.widget.ContextMenu> Object representing the context menu that is handling the event.
Returns: void

_removeEventHandlers

private void _removeEventHandlers ( )
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.
Returns: void

cancel

void cancel ( )
Cancels the display of the context menu.
Returns: void

configTrigger

void configTrigger ( p_sType , p_aArgs , p_oMenu )
Event handler for when the value of the "trigger" configuration property changes.
Parameters:
p_sType <String> String representing the name of the event that was fired.
p_aArgs <Array> Array of arguments sent when the event was fired.
p_oMenu <YAHOO.widget.ContextMenu> Object representing the context menu that fired the event.
Returns: void

destroy

void destroy ( )
Removes the context menu's <div> element (and accompanying child nodes) from the document.
Returns: void

init

void init ( p_oElement , p_oConfig )
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.
Parameters:
p_oElement <String> String specifying the id attribute of the <div> element of the context menu.
p_oElement <String> String specifying the id attribute of the <select> element to be used as the data source for the context menu.
p_oElement <HTMLDivElement> Object specifying the <div> element of the context menu.
p_oElement <HTMLSelectElement> Object specifying the <select> element to be used as the data source for the context menu.
p_oConfig <Object> Optional. Object literal specifying the configuration for the context menu. See configuration class documentation for more details.
Returns: void

initDefaultConfig

void initDefaultConfig ( )
Initializes the class's configurable properties which can be changed using the context menu's Config object ("cfg").
Returns: void

initEvents

void initEvents ( )
Initializes the custom events for the context menu.
Returns: void

position

private void position ( p_sType , p_aArgs , p_aPos )
"beforeShow" event handler used to position the contextmenu.
Parameters:
p_sType <String> String representing the name of the event that was fired.
p_aArgs <Array> Array of arguments sent when the event was fired.
p_aPos <Array> Array representing the xy position for the context menu.
Returns: void

toString

String toString ( )
Returns a string representing the context menu.
Returns: String

Events

triggerContextMenuEvent

triggerContextMenuEvent ( )
Custom Event wrapper for the "contextmenu" DOM event ("mousedown" for Opera) fired by the element(s) that trigger the display of the context menu.

Configuration Attributes

trigger - String|HTMLElement|Array

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 Value: null


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