下面列出了javafx.scene.input.DragEvent#consume ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Drag-n-drop support (drop consumer)
* */
@FXML
private void handleDrop(DragEvent event){
List<File> filesDropped = event.getDragboard().getFiles();
if (getSelectedProtocol().equals("TinFoil") && MediatorControl.getInstance().getContoller().getSettingsCtrlr().getTfXciNszXczSupport())
filesDropped.removeIf(file -> ! file.getName().toLowerCase().matches("(.*\\.nsp$)|(.*\\.xci$)|(.*\\.nsz$)|(.*\\.xcz$)"));
else if (getSelectedProtocol().equals("GoldLeaf") && (! MediatorControl.getInstance().getContoller().getSettingsCtrlr().getNSPFileFilterForGL()))
filesDropped.removeIf(file -> (file.isDirectory() && ! file.getName().toLowerCase().matches(".*\\.nsp$")));
else
filesDropped.removeIf(file -> ! file.getName().toLowerCase().matches(".*\\.nsp$"));
if ( ! filesDropped.isEmpty() )
tableFilesListController.setFiles(filesDropped);
event.setDropCompleted(true);
event.consume();
}
private EventHandler<DragEvent> createOnDragOverHandler(final ImageView pView)
{
return new EventHandler<DragEvent>()
{
public void handle(DragEvent pEvent)
{
if(pEvent.getGestureSource() != pView && pEvent.getDragboard().hasString())
{
CardTransfer transfer = new CardTransfer(pEvent.getDragboard().getString());
if( transfer.size() == 1 && GameModel.instance().isLegalMove(transfer.getTop(), aIndex) )
{
pEvent.acceptTransferModes(TransferMode.MOVE);
}
}
pEvent.consume();
}
};
}
private EventHandler<DragEvent> createDragEnteredHandler(final ImageView pImageView, final Card pCard)
{
return new EventHandler<DragEvent>()
{
@Override
public void handle(DragEvent pEvent)
{
CardTransfer transfer = new CardTransfer(pEvent.getDragboard().getString());
if( GameModel.instance().isLegalMove(transfer.getTop(), aIndex) )
{
pImageView.setEffect(new DropShadow());
}
pEvent.consume();
}
};
}
/** Handle that this tab was dragged elsewhere, or drag aborted */
private void handleDragDone(final DragEvent event)
{
final DockItem item = dragged_item.getAndSet(null);
if (item != null && !event.isDropCompleted())
{
// Would like to position new stage where the mouse was released,
// but event.getX(), getSceneX(), getScreenX() are all 0.0.
// --> Using MouseInfo, which is actually AWT code
final Stage other = item.detach();
final PointerInfo pi = MouseInfo.getPointerInfo();
if (pi != null)
{
final Point loc = pi.getLocation();
other.setX(loc.getX());
other.setY(loc.getY());
}
}
event.consume();
}
private EventHandler<DragEvent> createDragDroppedHandler(final ImageView pImageView, final Card pCard)
{
return new EventHandler<DragEvent>()
{
@Override
public void handle(DragEvent pEvent)
{
Dragboard db = pEvent.getDragboard();
boolean success = false;
if(db.hasString())
{
GameModel.instance().getCardMove(new CardTransfer(db.getString()).getTop(), aIndex).perform();
success = true;
}
pEvent.setDropCompleted(success);
pEvent.consume();
}
};
}
/**
* Handle drag over.
*/
@FxThread
private void dragOver(@NotNull DragEvent dragEvent) {
var dragboard = dragEvent.getDragboard();
var files = ClassUtils.<List<File>>unsafeCast(dragboard.getContent(DataFormat.FILES));
if (files == null || files.size() != 1) {
return;
}
var file = files.get(0);
if (!canAccept(file)) {
return;
}
var transferModes = dragboard.getTransferModes();
var isCopy = transferModes.contains(TransferMode.COPY);
dragEvent.acceptTransferModes(isCopy ? TransferMode.COPY : TransferMode.MOVE);
dragEvent.consume();
}
/**
* Drag-n-drop support (dragOver consumer)
* */
@FXML
private void handleDragOver(DragEvent event){
if (event.getDragboard().hasFiles())
event.acceptTransferModes(TransferMode.ANY);
event.consume();
}
/**
* Drag-n-drop support (drop consumer)
* */
@FXML
private void handleDrop(DragEvent event){
Node sourceNode = (Node) event.getSource();
File fileDrpd = event.getDragboard().getFiles().get(0);
if (fileDrpd.isDirectory()){
event.setDropCompleted(true);
event.consume();
return;
}
String fileNameDrpd = fileDrpd.getAbsolutePath();
switch (sourceNode.getId()){
case "plHbox1":
setPayloadFile( 1, fileNameDrpd);
break;
case "plHbox2":
setPayloadFile( 2, fileNameDrpd);
break;
case "plHbox3":
setPayloadFile( 3, fileNameDrpd);
break;
case "plHbox4":
setPayloadFile( 4, fileNameDrpd);
break;
case "plHbox5":
setPayloadFile( 5, fileNameDrpd);
}
event.setDropCompleted(true);
event.consume();
}
/**
* Drag-n-drop support (dragOver consumer)
* */
@FXML
private void handleDragOver(DragEvent event){
if (event.getDragboard().hasFiles() && ! MediatorControl.getInstance().getTransferActive())
event.acceptTransferModes(TransferMode.ANY);
event.consume();
}
public void onDragOverLinkFile(DragEvent event){
Dragboard db = event.getDragboard();
if (db.hasFiles()) {
event.acceptTransferModes(TransferMode.LINK);
} else {
event.consume();
}
}
private void dragConsume(DragEvent e, Consumer<DragEvent> c) {
List<File> files = e.getDragboard().getFiles();
if (files != null && !files.isEmpty()) {
c.accept(e);
}
e.consume();
}
/**
* The method activateSetOnDragOver controlling what happens when something is dragged over.
* Implemented activateSetOnDragOver to accept when files are dragged over it.
* @param event - DragEvent
*/
public static void activateSetOnDragOver(DragEvent event){
Dragboard dragBoard = event.getDragboard();
if (dragBoard.hasFiles()) {
event.acceptTransferModes(TransferMode.COPY);
} else {
event.consume();
}
}
/** Accept dock items */
private void handleDragOver(final DragEvent event)
{
if (!isFixed() &&
DockItem.dragged_item.get() != null)
event.acceptTransferModes(TransferMode.MOVE);
event.consume();
}
/** Highlight while 'drop' is possible */
private void handleDragEntered(final DragEvent event)
{
if (!isFixed() &&
DockItem.dragged_item.get() != null)
setBorder(DockItem.DROP_ZONE_BORDER);
event.consume();
}
private void onDragOver(DragEvent event) {
// check whether we can accept a drop
Dragboard db = event.getDragboard();
if (db.hasString() || db.hasFiles())
event.acceptTransferModes(TransferMode.COPY);
// move drag caret to mouse location
if (event.isAccepted()) {
CharacterHit hit = textArea.hit(event.getX(), event.getY());
dragCaret.moveTo(hit.getInsertionIndex());
}
event.consume();
}
/** Highlight while 'drop' is possible */
private void handleDragEntered(final DragEvent event)
{
// Drop not possible into a 'fixed' pane
if (getDockPane().isFixed())
return;
final DockItem item = dragged_item.get();
if (item != null && item != this)
{
name_tab.setBorder(DROP_ZONE_BORDER);
name_tab.setTextFill(Color.GREEN);
}
event.consume();
}
/** Remove Highlight */
private void handleDragExited(final DragEvent event)
{
setBorder(Border.EMPTY);
event.consume();
}
private void buildDragHandlers() {
//drag over transition to move widget form left pane to right pane
mIconDragOverRoot = new EventHandler <DragEvent>() {
@Override
public void handle(DragEvent event) {
Point2D p = right_pane.sceneToLocal(event.getSceneX(), event.getSceneY());
//turn on transfer mode and track in the right-pane's context
//if (and only if) the mouse cursor falls within the right pane's bounds.
if (!right_pane.boundsInLocalProperty().get().contains(p)) {
event.acceptTransferModes(TransferMode.ANY);
mDragOverIcon.relocateToPoint(new Point2D(event.getSceneX(), event.getSceneY()));
return;
}
event.consume();
}
};
mIconDragOverRightPane = new EventHandler <DragEvent> () {
@Override
public void handle(DragEvent event) {
event.acceptTransferModes(TransferMode.ANY);
//convert the mouse coordinates to scene coordinates,
//then convert back to coordinates that are relative to
//the parent of mDragIcon. Since mDragIcon is a child of the root
//pane, coodinates must be in the root pane's coordinate system to work
//properly.
mDragOverIcon.relocateToPoint(
new Point2D(event.getSceneX(), event.getSceneY())
);
event.consume();
}
};
mIconDragDropped = new EventHandler <DragEvent> () {
@Override
public void handle(DragEvent event) {
DragContainer container =
(DragContainer) event.getDragboard().getContent(DragContainer.AddNode);
container.addData("scene_coords",
new Point2D(event.getSceneX(), event.getSceneY()));
ClipboardContent content = new ClipboardContent();
content.put(DragContainer.AddNode, container);
event.getDragboard().setContent(content);
event.setDropCompleted(true);
}
};
this.setOnDragDone (new EventHandler <DragEvent> (){
@Override
public void handle (DragEvent event) {
right_pane.removeEventHandler(DragEvent.DRAG_OVER, mIconDragOverRightPane);
right_pane.removeEventHandler(DragEvent.DRAG_DROPPED, mIconDragDropped);
base_pane.removeEventHandler(DragEvent.DRAG_OVER, mIconDragOverRoot);
mDragOverIcon.setVisible(false);
DragContainer container =
(DragContainer) event.getDragboard().getContent(DragContainer.AddNode);
if (container != null) {
if (container.getValue("scene_coords") != null) {
DragIcon droppedIcon = new DragIcon();
droppedIcon.setType(DragIconType.valueOf(container.getValue("type")));
right_pane.getChildren().add(droppedIcon);
Point2D cursorPoint = container.getValue("scene_coords");
droppedIcon.relocateToPoint(
new Point2D(cursorPoint.getX() - 32, cursorPoint.getY() - 32)
);
}
}
event.consume();
}
});
}
protected void enterDrag(DragEvent event) {
event.acceptTransferModes(TransferMode.MOVE);
event.consume();
}
private void onDragOver(DragEvent e) {
// Allow drag-drop content
if (e.getGestureSource() != this && e.getDragboard().hasFiles())
e.acceptTransferModes(TransferMode.COPY_OR_MOVE);
e.consume();
}