React Menu Events

This section describes events fired by this widget.

See Also

contentReady

Raised when the widget's content is ready.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only when using Knockout.

Main article: onContentReady.

See Also

disposing

Raised when the widget is removed from the DOM using the remove(), empty(), or html() jQuery methods only.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if you use Knockout.

See Also

initialized

Raised only once, after the widget is initialized.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

Main article: onInitialized

See Also

itemClick

Fires when a widget item is clicked.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if you use Knockout.
itemData

Object

The clicked item's data.
itemElement

HTMLElement | jQuery

The item's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex

Number

The clicked item's index.
jQueryEvent

jQuery.Event

Use 'event' instead.

The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event

Event (jQuery or EventObject)

The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Instead, you can use the onItemClick option to handle the event.

See Also

itemContextMenu

Fires when the right mouse button is clicked when the pointer is over a widget item, or when the "sustained" (also known as a long press) touch action is performed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if you use Knockout.
itemData

Object

The item's data.
itemElement

HTMLElement | jQuery

The item's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex

Number

The item's index.
jQueryEvent

jQuery.Event

Use 'event' instead.

The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event

Event (jQuery or EventObject)

The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Instead, you can use the onItemContextMenu option to handle the event.

See Also

itemRendered

Fires after a collection item is rendered.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if you use Knockout.
itemData

Object

The current item's data.
itemElement

HTMLElement | jQuery

The item's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex

Number

The current item's index.

Instead, you can use the onItemRendered option to handle the event.

See Also

optionChanged

Raised after a widget option is changed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
name

String

The option's short name.
model

Object

The model data. Available only if you use Knockout.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component

Object

The widget's instance.
fullName

String

The option's full name.
value any

The option's new value.

See Also

selectionChanged

Fires after a collection item is selected or unselected.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if you use Knockout.
addedItems

Array<any>

The data of the items that have been selected.
removedItems

Array<any>

The data of the items whose selection has been canceled.

Main article: onSelectionChanged

See Also

submenuHidden

Fires when the submenu is hidden.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if Knockout is used.
rootItem

HTMLElement | jQuery

The container of the root menu element. It is an HTML Element or a jQuery Element when you use jQuery.

Instead, you can use the onSubmenuHidden option to handle the event.

See Also

submenuHiding

Fires before the submenu is hidden.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if Knockout is used.
rootItem

HTMLElement | jQuery

The container of the root menu element. It is an HTML Element or a jQuery Element when you use jQuery.
cancel

Boolean

Allows you to cancel submenu hiding.

Instead, you can use the onSubmenuHiding option to handle the event.

See Also

submenuShowing

Fires before the submenu is displayed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if Knockout is used.
rootItem

HTMLElement | jQuery

The container of the root menu element. It is an HTML Element or a jQuery Element when you use jQuery.

Instead, you can use the onSubmenuShowing option to handle the event.

See Also

submenuShown

Fires when the submenu is displayed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Object

The widget's instance.
element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model

Object

The model data. Available only if Knockout is used.
rootItem

HTMLElement | jQuery

The container of the root menu element. It is an HTML Element or a jQuery Element when you use jQuery.

Instead, you can use the onSubmenuShown option to handle the event.

See Also