JavaScript/jQuery Draggable API
Draggable is a user interface utility that allows widget elements to be dragged and dropped.
Options
This section describes options that configure the Draggable widget's contents, behavior, and appearance.
| Name | Description |
|---|---|
| autoScroll | Enables automatic scrolling while dragging an item beyond the viewport. |
| boundary | Specifies a DOM element that limits the dragging area. |
| clone | Allows a user to drag clones of items instead of actual items. |
| container | Specifies a custom container in which the draggable item should be rendered. |
| cursorOffset | Specifies the cursor offset from the dragged item. |
| data | A container for custom data. |
| dragComponent | An alias for the dragTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
| dragDirection | Specifies the directions in which an item can be dragged. |
| dragRender | An alias for the dragTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
| dragTemplate | Specifies custom markup to be shown instead of the item being dragged. |
| elementAttr | Specifies the attributes to be attached to the widget's root element. |
| group | Allows you to group several widgets, so that users can drag and drop items between them. |
| handle | Specifies a CSS selector (ID or class) that should act as the drag handle(s) for the item(s). |
| height | Specifies the widget's height. |
| onDisposing | A function that is executed before the widget is disposed of. |
| onDragEnd | A function that is called when drag gesture is finished. |
| onDragMove | A function that is called every time a draggable item is moved. |
| onDragStart | A function that is called when the drag gesture is initialized. |
| onInitialized | A function used in JavaScript frameworks to save the widget instance. |
| onOptionChanged | A function that is executed after a widget option is changed. |
| rtlEnabled | Switches the widget to a right-to-left representation. |
| scrollSensitivity | Specifies the distance in pixels from the edge of viewport at which scrolling should start. Applies only if autoScroll is true. |
| scrollSpeed | Specifies the scrolling speed when dragging an item beyond the viewport. Applies only if autoScroll is true. |
| width | Specifies the widget's width. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
Methods of the DomComponent object.
| Name | Description |
|---|---|
| beginUpdate() | Prevents the widget from refreshing until the endUpdate() method is called. |
| defaultOptions(rule) | Specifies the device-dependent default configuration options for this component. |
| dispose() | Disposes of all the resources allocated to the Draggable instance. |
| element() | Gets the root widget element. |
| endUpdate() | Refreshes the widget after a call of the beginUpdate() method. |
| getInstance(element) | Gets the instance of a widget found using its DOM node. |
| instance() | Gets the widget's instance. Use it to access other methods of the widget. |
| off(eventName) | Detaches all event handlers from a single event. |
| off(eventName, eventHandler) | Detaches a particular event handler from a single event. |
| on(eventName, eventHandler) | Subscribes to an event. |
| on(events) | Subscribes to events. |
| option() | Gets all widget options. |
| option(optionName) | Gets the value of a single option. |
| option(optionName, optionValue) | Updates the value of a single option. |
| option(options) | Updates the values of several options. |
| resetOption(optionName) | Resets an option to its default value. |
Events
This section describes events raised by the Draggable widget.
| Name | Description |
|---|---|
| disposing | Raised before the widget is disposed of. |
| dragEnd | Raised when drag gesture is finished. |
| dragMove | Raised every time a draggable item is moved. |
| dragStart | Raised when drag gesture is initialized. |
| initialized | Raised only once, after the widget is initialized. |
| optionChanged | Raised after a widget option is changed. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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