JavaScript/jQuery Lookup Events
This section describes events fired by this widget.
closed
Raised once the drop-down editor is closed.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
contentReady
Raised when the widget's content is ready.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only when using Knockout. |
Main article: onContentReady.
See Also
disposing
Raised before the widget is disposed of.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if you use Knockout. |
Main article: onDisposing
See Also
initialized
Raised only once, after the widget is initialized.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
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 list item is clicked or tapped.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
|
| itemData |
The clicked item's data. |
|
| itemElement |
The item's container. |
|
| itemIndex | | |
The clicked item's index. If the widget items are grouped, the index represents an object defining the group and item indexes: { group: 0, item: 0 }. |
| event | Event (jQuery or EventObject) |
The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
Main article: onItemClick
See Also
opened
Raised once the drop-down editor is opened.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
optionChanged
Raised after a widget option is changed.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| name |
The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into. |
|
| model |
The model data. Available only if you use Knockout. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| fullName |
The path to the modified option that includes all parent options. |
|
| value | any |
The modified option's new value. |
Main article: onOptionChanged
See Also
pageLoading
Raised before the next page is loaded.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
Main article: onPageLoading
See Also
pullRefresh
Raised when the "pull to refresh" gesture is performed on the drop-down item list.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
Main article: onPullRefresh
See Also
scroll
Raised on each scroll gesture performed on the drop-down item list.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
|
| jQueryEvent |
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 |
The current scroll offset in the following format { top: topOffset, left: leftOffset }. |
|
| reachedLeft |
Indicates whether the container's left boundary is reached. |
|
| reachedRight |
Indicates whether the container's right boundary is reached. |
|
| reachedTop |
Indicates whether the container's top boundary is reached. |
|
| reachedBottom |
Indicates whether the container's bottom boundary is reached. |
selectionChanged
Raised when a list item is selected or selection is canceled.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
|
| selectedItem |
The selected item's data. |
Main article: onSelectionChanged
See Also
titleRendered
Raised when the drop-down list's title is rendered.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
|
| titleElement |
The title's container. It is an HTML Element or a jQuery Element when you use jQuery. |
Main article: onTitleRendered
See Also
valueChanged
Raised after the widget's value is changed.
Event
Information about the event.
| Name | Type | Description |
|---|---|---|
| event | Event (jQuery or EventObject) |
The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery. |
| jQueryEvent |
Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field. |
|
| previousValue |
The widget's previous value. |
|
| value |
The widget's new value. |
|
| model |
The model data. Available only if Knockout is used. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
Main article: onValueChanged
See Also
If you have technical questions, please create a support ticket in the DevExpress Support Center.