public final class DemoDragHandler extends java.lang.Object implements DragHandler
Modifier and Type | Field and Description |
---|---|
static java.lang.String |
BLUE
CSS blue.
|
static java.lang.String |
GREEN
CSS green.
|
static java.lang.String |
RED
CSS red.
|
Modifier and Type | Method and Description |
---|---|
void |
clear() |
void |
log(java.lang.String text,
java.lang.String color) |
void |
onDragEnd(DragEndEvent event)
Log the drag end event.
|
void |
onDragStart(DragStartEvent event)
Log the drag start event.
|
void |
onPreviewDragEnd(DragEndEvent event)
Log the preview drag end event.
|
void |
onPreviewDragStart(DragStartEvent event)
Log the preview drag start event.
|
public static final java.lang.String BLUE
public static final java.lang.String GREEN
public static final java.lang.String RED
public void onDragEnd(DragEndEvent event)
onDragEnd
in interface DragHandler
event
- the event to logpublic void onDragStart(DragStartEvent event)
onDragStart
in interface DragHandler
event
- the event to logpublic void onPreviewDragEnd(DragEndEvent event) throws VetoDragException
onPreviewDragEnd
in interface DragHandler
event
- the event to logVetoDragException
- exception which may be thrown by any drag handlerpublic void onPreviewDragStart(DragStartEvent event) throws VetoDragException
onPreviewDragStart
in interface DragHandler
event
- the event to logVetoDragException
- exception which may be thrown by any drag handlerpublic void clear()
public void log(java.lang.String text, java.lang.String color)