HasAllDragAndDropHandlers abstract class / dart_web_toolkit_event Library / API Reference / Dart Web Toolkit

HasAllDragAndDropHandlers abstract class

This is a convenience interface that includes all drag and drop handlers defined by the core GWT system.

Experimental API: This API is still under development and is subject to change.

abstract class HasAllDragAndDropHandlers implements HasDragEndHandlers,
 HasDragEnterHandlers, HasDragLeaveHandlers, HasDragHandlers,
 HasDragOverHandlers, HasDragStartHandlers, HasDropHandlers {

}

Subclasses

FocusPanel, FocusWidget, HtmlTable, Image, Label

Implements

HasDropHandlers, HasDragStartHandlers, HasDragOverHandlers, HasDragHandlers, HasDragLeaveHandlers, HasDragEnterHandlers, HasDragEndHandlers

Methods

abstract HandlerRegistration addDragEndHandler(DragEndHandler handler) #

inherited from HasDragEndHandlers

Adds a {@link DragEndEvent} handler.

@param handler the drag end handler @return {@link HandlerRegistration} used to remove this handler

abstract HandlerRegistration addDragEnterHandler(DragEnterHandler handler) #

inherited from HasDragEnterHandlers

Adds a {@link DragEnterEvent} handler.

@param handler the drag end handler @return {@link HandlerRegistration} used to remove this handler

abstract HandlerRegistration addDragHandler(DragHandler handler) #

inherited from HasDragHandlers

Adds a {@link DragEvent} handler.

@param handler the drag handler @return {@link HandlerRegistration} used to remove this handler

abstract HandlerRegistration addDragLeaveHandler(DragLeaveHandler handler) #

inherited from HasDragLeaveHandlers

Adds a {@link DragLeaveEvent} handler.

@param handler the drag leave handler @return {@link HandlerRegistration} used to remove this handler

abstract HandlerRegistration addDragOverHandler(DragOverHandler handler) #

inherited from HasDragOverHandlers

Adds a {@link DragOverEvent} handler.

@param handler the drag over handler @return {@link HandlerRegistration} used to remove this handler

abstract HandlerRegistration addDragStartHandler(DragStartHandler handler) #

inherited from HasDragStartHandlers

Adds a {@link DragStartEvent} handler.

@param handler the drag start handler @return {@link HandlerRegistration} used to remove this handler

abstract HandlerRegistration addDropHandler(DropHandler handler) #

inherited from HasDropHandlers

Adds a {@link DropEvent} handler.

@param handler the drop handler @return {@link HandlerRegistration} used to remove this handler

abstract void fireEvent(DwtEvent event) #

inherited from HasHandlers

Fires the given event to the handlers listening to the event's type.

Any exceptions thrown by handlers will be bundled into a UmbrellaException and then re-thrown after all handlers have completed. An exception thrown by a handler will not prevent other handlers from executing.

@param event the event