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java.lang.Objectcom.extjs.gxt.ui.client.event.BaseObservable
com.extjs.gxt.ui.client.dnd.DropTarget
com.extjs.gxt.ui.client.dnd.GridDropTarget
public class GridDropTarget
A DropTarget
implementation for Grids. Supports both inserts and
appends, specified using
DropTarget.setOperation(com.extjs.gxt.ui.client.dnd.DND.Operation)
.
Field Summary | |
---|---|
protected ModelData |
activeItem
|
protected Grid<ModelData> |
grid
|
protected int |
insertIndex
|
Fields inherited from class com.extjs.gxt.ui.client.dnd.DropTarget |
---|
component, feedback, operation, overStyle |
Constructor Summary | |
---|---|
GridDropTarget(Grid grid)
Creates a new drop target instance. |
Method Summary | |
---|---|
Grid<ModelData> |
getGrid()
Returns the target grid component. |
boolean |
isAutoScroll()
Returns true if auto scroll is enabled (defaults to true). |
protected void |
onDragCancelled(DNDEvent event)
Called if the user cancels the drag operations while the mouse is over the target. |
protected void |
onDragDrop(DNDEvent e)
Called when the user releases the mouse over the target component. |
protected void |
onDragEnter(DNDEvent e)
Called when the cursor first enters the bounds of the drop target. |
protected void |
onDragFail(DNDEvent event)
|
protected void |
onDragLeave(DNDEvent e)
Called when the cursor leaves the target. |
protected void |
onDragMove(DNDEvent event)
Called when the cursor is moved within the target component. |
void |
setAutoScroll(boolean autoScroll)
True to automatically scroll the tree when the user hovers over the top and bottom of the tree grid (defaults to true). |
protected void |
showFeedback(DNDEvent event)
Called as the mouse is moved over the target component. |
Methods inherited from class com.extjs.gxt.ui.client.dnd.DropTarget |
---|
addDNDListener, disable, enable, getComponent, getFeedback, getGroup, getOperation, getOverStyle, isAllowSelfAsSource, isEnabled, onComponentAttach, onComponentDetach, prepareDropData, release, removeDNDListener, setAllowSelfAsSource, setFeedback, setGroup, setOperation, setOverStyle |
Methods inherited from class com.extjs.gxt.ui.client.event.BaseObservable |
---|
addListener, callListener, fireEvent, fireEvent, getFiresEvents, getListeners, hasActiveEvent, hasListeners, hasListeners, removeAllListeners, removeListener, setFiresEvents |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected ModelData activeItem
protected Grid<ModelData> grid
protected int insertIndex
Constructor Detail |
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public GridDropTarget(Grid grid)
grid
- the target gridMethod Detail |
---|
public Grid<ModelData> getGrid()
public boolean isAutoScroll()
public void setAutoScroll(boolean autoScroll)
autoScroll
- true to enable auto scrollScrollSupport
protected void onDragCancelled(DNDEvent event)
DropTarget
onDragCancelled
in class DropTarget
event
- the dd eventprotected void onDragDrop(DNDEvent e)
DropTarget
onDragDrop
in class DropTarget
e
- the dd eventprotected void onDragEnter(DNDEvent e)
DropTarget
onDragEnter
in class DropTarget
e
- the dd eventprotected void onDragFail(DNDEvent event)
onDragFail
in class DropTarget
protected void onDragLeave(DNDEvent e)
DropTarget
onDragLeave
in class DropTarget
e
- the dd eventprotected void onDragMove(DNDEvent event)
DropTarget
BaseEvent.setCancelled(boolean)
to true, DropTarget.showFeedback(DNDEvent)
will be called.
onDragMove
in class DropTarget
event
- the dd eventprotected void showFeedback(DNDEvent event)
DropTarget
showFeedback
in class DropTarget
event
- the dd event
|
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