JavaScript/jQuery List 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

List

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 before the widget is disposed of.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.

Main article: onDisposing

See Also

groupRendered

Raised when a group element is rendered.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.
groupData

Object

The current group's data.
groupElement

HTMLElement | jQuery

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

Number

The group's index.

Main article: onGroupRendered

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

List

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

Raised when a collection item is clicked or tapped.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
event

Event (jQuery or EventObject)

The event that caused the function's execution. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent

jQuery.Event

The jQuery event that caused the function's execution. Deprecated in favor of the event field.
itemIndex

Number

|

Object

The clicked item's index. In a grouped list, the index represents an object defining group and item indexes: { group: 0, item: 0 }.
itemElement

HTMLElement | jQuery

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

Object

The clicked item's data object.
model

Object

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

HTMLElement | jQuery

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

List

The widget's instance.

Main article: onItemClick.

See Also

itemContextMenu

Raised when a collection item is right-clicked or pressed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
event

Event (jQuery or EventObject)

The event that caused the function's execution. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent

jQuery.Event

The jQuery event that caused the function's execution. Deprecated in favor of the event field.
itemIndex

Number

|

Object

The target item's index. In a grouped list, the index is specified as an object defining group and item indexes: { group: 0, item: 0 }.
itemElement

HTMLElement | jQuery

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

Object

The target item's data object.
model

Object

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

HTMLElement | jQuery

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

List

The widget's instance.

Main article: onItemContextMenu

See Also

itemDeleted

Raised after a list item is deleted from the data source.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
itemIndex

Number

|

Object

The removed item's index. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
itemElement

HTMLElement | jQuery

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

Object

The removed item's data.
model

Object

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

HTMLElement | jQuery

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

List

The widget's instance.

Main article: onItemDeleted

See Also

itemDeleting

Raised before a collection item is deleted from the data source.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
cancel

Boolean

|

Promise<void> (jQuery or native)

Allows you to cancel the item deletion.
itemIndex

Number

|

Object

The item's index. In a grouped list, the index represents an object defining group and item indexes: { group: 0, item: 0 }.
itemElement

HTMLElement | jQuery

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

Object

The data of the item to be removed.
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

List

The widget's instance.

Main article: onItemDeleting

See Also

itemHold

Raised when a collection item has been held for a specified period.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
jQueryEvent

jQuery.Event

The jQuery event that caused the function's execution. Deprecated in favor of the event field.
itemIndex

Number

|

Object

The index of the item being held. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
itemElement

HTMLElement | jQuery

The container of the item being held. It is an HTML Element or a jQuery Element when you use jQuery.
itemData

Object

The data object of the item being held.
model

Object

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

HTMLElement | jQuery

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

List

The widget's instance.
event

Event (jQuery or EventObject)

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

Main article: onItemHold

See Also

itemRendered

Raised after a collection item is rendered.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.

Main article: onItemRendered

See Also

itemReordered

Raised after a list item is moved to another position.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
toIndex

Number

The item's current index. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
fromIndex

Number

The item's previous index. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
itemIndex

Number

|

Object

The item's index after reordering. This field holds the same value as toIndex.
In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
itemElement

HTMLElement | jQuery

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

Object

The reordered item's data.
model

Object

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

HTMLElement | jQuery

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

List

The widget's instance.

Main article: onItemReordered

See Also

itemSwipe

Raised when a list item is swiped.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.
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.
itemData

Object

The swiped 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

|

Object

The item's index. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
direction

String

The direction in which the item is swiped.

Main article: onItemSwipe

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

List

The widget's instance.
fullName

String

The option's full name.
value any

The option's new value.

Main article: onOptionChanged

See Also

pageLoading

Raised before the next page is loaded.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.

Main article: onPageLoading

See Also

pullRefresh

Raised when the "pull to refresh" gesture is performed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.

Main article: onPullRefresh

See Also

scroll

Raised on each scroll gesture.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.
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.
scrollOffset

Object

The current scroll offset in the following format { top: topOffset, left: leftOffset }.
reachedLeft

Boolean

Indicates whether the container's left boundary is reached.
reachedRight

Boolean

Indicates whether the container's right boundary is reached.
reachedTop

Boolean

Indicates whether the container's top boundary is reached.
reachedBottom

Boolean

Indicates whether the container's bottom boundary is reached.

Main article: onScroll

See Also

selectAllValueChanged

Raised when the "Select All" check box value is changed.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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.
value

Boolean

The "Select All" check box's state.

Main article: onSelectAllValueChanged

See Also

selectionChanged

Raised when a collection item is selected or the selection is canceled.

Type:

Event

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

List

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