org.wicketstuff.jwicket.ui.dragdrop

Interface IDroppable

public interface IDroppable

This is a marker interfaece. You can mark any Wicket Component with this interface and implement the interface's methods. iF the corresponding DroppableBehavior has activated the callbacks for the events then the droppable Wicket Component's methods are called

Method Summary

Methods

Modifier and Type	Method and Description
void	onActivate(org.apache.wicket.ajax.AjaxRequestTarget target, org.apache.wicket.Component draggedComponent, SpecialKeys specialKeys) This method is called when a draggable Component is starting to drag and the dragging Component's name is accepted to be dropped onto this Component.
void	onDeactivate(org.apache.wicket.ajax.AjaxRequestTarget target, org.apache.wicket.Component draggedComponent, SpecialKeys specialKeys) This method is called when a draggable Component has stopped dragging and the dragging Component's name was accepted to be dropped onto this Component.
void	onDrop(org.apache.wicket.ajax.AjaxRequestTarget target, org.apache.wicket.Component draggedComponent, SpecialKeys specialKeys) If the Wicket Component is marked as droppable by adding a DroppableBehavior to it, this method is called when a draggable Component is dropped onto this Component and this Component accepts the draggable.

Method Detail

onDrop

void onDrop(org.apache.wicket.ajax.AjaxRequestTarget target,
          org.apache.wicket.Component draggedComponent,
          SpecialKeys specialKeys)

If the Wicket Component is marked as droppable by adding a DroppableBehavior to it, this method is called when a draggable Component is dropped onto this Component and this Component accepts the draggable.

Parameters:

target - The AjaxRequestTarget associated with this drop operation.

draggedComponent - The dragged component

specialKeys - the special keys that were pressed when the event occurs

onActivate

void onActivate(org.apache.wicket.ajax.AjaxRequestTarget target,
              org.apache.wicket.Component draggedComponent,
              SpecialKeys specialKeys)

This method is called when a draggable Component is starting to drag and the dragging Component's name is accepted to be dropped onto this Component.

Parameters:

target - The AjaxRequestTarget associated with this drop operation.

draggedComponent - The dragged component

specialKeys - the special keys that were pressed when the event occurs

onDeactivate

void onDeactivate(org.apache.wicket.ajax.AjaxRequestTarget target,
                org.apache.wicket.Component draggedComponent,
                SpecialKeys specialKeys)

This method is called when a draggable Component has stopped dragging and the dragging Component's name was accepted to be dropped onto this Component.

Parameters:

target - The AjaxRequestTarget associated with this drop operation.

draggedComponent - The dragged component

specialKeys - the special keys that were pressed when the event occurs