Events

This section describes events exposed by this widget.

closed

Fires after a drop-down list has been hidden.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

contentReady

Fires when widget content is ready.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

If data displayed by the widget is specified using a DataSource instance, the contentReady event fires each time the load() method of the DataSource instance is called as well as when the widget content is ready. In this case, when you create the widget, the contentReady event is raised twice: when the widget's content is ready (at this moment, the widget does not display items) and when the DataSource is loaded (the widget displays the loaded items).

disposing

Fires when the widget is being removed.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

See Also
NOTE
This event fires only if the widget is removed using the remove(), empty(), or html() jQuery methods.

initialized

Fires when the widget is initialized.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

itemClick

Fires when a widget item is clicked.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

itemElement: Object

An HTML element of the item.

opened

Fires when the drop-down editor is shown.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

optionChanged

Fires after an option of the component is changed.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

name: String

Specifies the name of the option whose value is changed.

fullName: String

Specifies a full name of the option whose value is changed. The full name is formed by concatenating the names of the options that are presented in the hierarchy of the given option. The names are delimited by commas.

value: any

Specifies a new value for the option.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

pageLoading

Fires before loading the next page in the lookup list if autopaging is enabled.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

pullRefresh

Fires before the lookup list is refreshed as a result of the "pull down to refresh" gesture.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

NOTE
The "pull down to refresh" gesture is not supported by desktop browsers and Windows Phone devices. You can use it only in mobile themes except the Windows Phone theme.
See Also

scroll

Fires on each scroll gesture.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

jQueryEvent: jQuery.Event

Specifies the jQuery event that caused the action execution.

scrollOffset: Object

Returns 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.

selectionChanged

Fires when the selection changes.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

selectedItem: Object

Provides access to the currently selected item.

titleRendered

Fires after the widget title is rendered.

Event Handler Argument:

Provides function parameters.

Object structure:
titleElement: jQuery

The HTML element of the item title.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

valueChanged

Fires when the editor value changes.

Event Handler Argument:

Provides function parameters.

Object structure:
component: Object

Provides access to the widget instance.

element: jQuery

An HTML element of the widget.

model: Object

Provides access to the data that is available for binding against the element. Available only in the Knockout and AngularJS approaches.

value: Object

Specifies the widget's new value.

previousValue: Object

Specifies the widget's previous value.

itemData: Object

The data that is bound to the new item.

selectedItem: Object

A deprecated field. Use the itemData field instead.

jQueryEvent: jQuery.Event

Specifies the jQuery event that caused the action execution.