Java DragEvent.consume方法代碼示例

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
/**
 * Handle mouse drop events
 * 
 * @param e
 */
private void mouseDragDropped(final DragEvent e) {
	final Dragboard db = e.getDragboard();
	boolean success = false;

	if (db.hasFiles()) {
		success = true;
		boolean ctrlKeyPressed = popOver.isCtrlKeyPressed();
		boolean altKeyPressed = popOver.isAltKeyPressed();
		
		popOver.notifyDragEventListener(new DropzoneDragEvent(e, ctrlKeyPressed, altKeyPressed));

	}
	e.setDropCompleted(success);
	e.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
private void targetSetOnDragDropped(ScreenMap target, DragEvent e) {
	Dragboard db = e.getDragboard();
	boolean success = false;
	if (e.getDragboard().hasImage()) {
		String imageName = db.getString();
		Point2D point = target.sceneToLocal(e.getSceneX(), e.getSceneY());
		GamePoint gameCoords = new GamePoint(point.getX()/target.getScreenWidth(), point.getY()/target.getScreenHeight());
		for (Pair<String, Image> p : myScreenObjects.keySet()) {
			String iName = p.getKey();
			if (imageName.equals(iName)) {
				XStreamHandler xstream = new XStreamHandler();
				File tempSpriteFile = new File("data/tempSprites/tempSprite.xml");
				xstream.saveToFile(myScreenObjects.get(p), tempSpriteFile);
				SpriteMakerModel xmlSprite = (SpriteMakerModel) xstream.getAttributeFromFile(tempSpriteFile);
				xmlSprite.addComponent(new Position(gameCoords, 0)); //heading 0 because all sprites default to this
				myModel.addBackgroundTile(xmlSprite);
				break;
			}
		}
		success = true;
	}
	e.setDropCompleted(success);
	e.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
/**
 * Handle drag over.
 */
@FXThread
private void dragOver(@NotNull final DragEvent dragEvent) {

    final Dragboard dragboard = dragEvent.getDragboard();
    final List<File> files = unsafeCast(dragboard.getContent(DataFormat.FILES));

    if (files == null || files.size() != 1) {
        return;
    }

    final File file = files.get(0);
    if (!canAccept(file)) return;

    final Set<TransferMode> transferModes = dragboard.getTransferModes();
    final boolean isCopy = transferModes.contains(TransferMode.COPY);

    dragEvent.acceptTransferModes(isCopy ? TransferMode.COPY : TransferMode.MOVE);
    dragEvent.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
/**
 * Handle drag over events.
 *
 * @param dragEvent the drag over event.
 */
@FXThread
private void handleDragOverEvent(@NotNull final DragEvent dragEvent) {

    final Dragboard dragboard = dragEvent.getDragboard();
    final List<File> files = unsafeCast(dragboard.getContent(DataFormat.FILES));

    if (files == null || files.size() != 1) {
        return;
    }

    final File file = files.get(0);

    if (!file.getName().endsWith(FileExtensions.JME_MATERIAL)) {
        return;
    }

    final Set<TransferMode> transferModes = dragboard.getTransferModes();
    final boolean isCopy = transferModes.contains(TransferMode.COPY);

    dragEvent.acceptTransferModes(isCopy ? TransferMode.COPY : TransferMode.MOVE);
    dragEvent.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
private void dropOnSourcePallet(DragEvent event, int sourcePalletId) {
	event.setDropCompleted(true);
	TextInputDialog addBlocksDialog = new TextInputDialog();
	addBlocksDialog.setTitle("Add Blocks");
	addBlocksDialog.setHeaderText("Enter the amount of blocks you want to add");
	Optional<String> result = addBlocksDialog.showAndWait();
	result.ifPresent(count -> sourcePallets[sourcePalletId] += Integer.parseInt(count));
	
	String stateImagePath;
	if (sourcePallets[sourcePalletId] <= 5) {
		stateImagePath = "images/blocks-almost-empty.png";
	} else if (sourcePallets[sourcePalletId] > 5 && sourcePallets[sourcePalletId] <= 15) {
		stateImagePath = "images/blocks-normal.png";
	} else if (sourcePallets[sourcePalletId] > 15) {
		stateImagePath = "images/blocks-full.png";
	} else {
		stateImagePath = "";
	}
	Image stateImage = new Image(getClass().getResource(stateImagePath).toString());
	((BorderPane) event.getSource()).setCenter(new ImageView(stateImage));
	
	System.out.println(Arrays.toString(sourcePallets));
	event.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
@Override
protected void onDragDropped(DragEvent e) {
    Dragboard db = e.getDragboard();
    if (db.hasContent(DataFormatConstants.COMPONENT_ENTITY)) {
        ComponentDefine c = (ComponentDefine) db.getContent(DataFormatConstants.COMPONENT_ENTITY);
        e.setDropCompleted(true);
        e.consume();

        // 當拖動物體到3D場景的時候必須把JFX中的鼠標坐標轉到到JME中的坐標.
        // 不能直接用jme場景中獲取鼠標坐標的方式，因為JME是放在awt canvas上的，這時還未獲得焦點，直接用
        // JME中的方式獲取鼠標坐標會錯位。
        lastDragXPos = e.getX();
        lastDragYPos = e.getY();

        // 必須隔一幀，即等拖放操作完成執行後再彈窗.
        // 這裏不能直接執行CustomDialog,因為當CustomDialog為模態時會鎖住窗口，這會導致當第二次拖放操作時發生:
        // Exception in thread "JavaFX Application Thread" java.lang.IllegalArgumentException: 
        // Key already associated with a running event loop: [email protected]
        Jfx.runOnJfx(() -> {
            ComponentManager.createComponent(c, this);
        });
    }
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
@Override
  public void handle(DragEvent event) {
      Dragboard dragboard = event.getDragboard();
      Object source = event.getSource();
      // Look for the viewer that we dragged on to - may be null, if drag was on
      QuPathViewer viewer = null;
      for (QuPathViewer viewer2 : gui.getViewers()) {
      	if (viewer2.getView() == source) {
      		viewer = viewer2;
      		break;
      	}
      }
      // If only one viewer is available, there is no ambiguity... use it
      if (viewer == null && gui.getViewers().size() == 1)
      	viewer = gui.getViewer();
      
if (dragboard.hasFiles()) {
       logger.debug("Files dragged onto {}", source);
	handleFileDrop(viewer, dragboard.getFiles());
}
event.setDropCompleted(true);
event.consume();
  }
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
private void onDragOver(final TreeTableRow<GPXLineItem> row, final DragEvent event) {
    Dragboard db = event.getDragboard();
    if (db.getContent(SERIALIZED_MIME_TYPE) != null) {
        if (!row.isEmpty()) {
            event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
            event.consume();
        }
    } else {
        if (db.hasFiles()) {
            for (File file:db.getFiles()) {
                // accept only gpx files
                if (GPXEditorWorker.GPX_EXT.equals(FilenameUtils.getExtension(file.getName()).toLowerCase())) {
                    event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
                    break;
                }
            }
        } else {
            event.consume();
        }
    }
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
private void handleDragDropped(DragEvent event) {
    LOGGER.debug("drag dropped");

    Dragboard dragboard = event.getDragboard();
    boolean success = dragboard.hasString();
    if (success) {
        try {
            int slideId = Integer.parseInt(dragboard.getString());
            LOGGER.debug("dropped slide with id {} on divider", slideId);

            if (slideDroppedCallback != null) {
                slideDroppedCallback.accept(slideId);
            }
        } catch (NumberFormatException ex) {
            success = false;
        }

    }
    event.setDropCompleted(success);
    event.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
@Override
public void handle(DragEvent event) {
  if (event.getEventType() == DragEvent.DRAG_OVER) {
    if (event.getDragboard().hasFiles()) {
      event.acceptTransferModes(TransferMode.COPY);
    }
    event.consume();
  } else if (event.getEventType() == DragEvent.DRAG_DROPPED) {
    boolean isTransferDone = false;
    List<File> files = new ArrayList<>();
    Dragboard dragBoard = event.getDragboard();
    if (dragBoard.hasFiles()) {
      isTransferDone = true;
      files = dragBoard.getFiles();
    }
    event.setDropCompleted(isTransferDone);
    event.consume();
    try {
      this.controller.filesDropped(files);
    } catch (Exception ex) {
      new ExceptionAlert().showAndWait(null, ex);
    }
  }
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
private void over (DragEvent event) {
    if (event.getGestureSource() != this &&
        event.getDragboard().hasString()) {
        event.acceptTransferModes(TransferMode.MOVE);
    }

    event.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
public void onDragOverLinkFile(DragEvent event){
    Dragboard db = event.getDragboard();
    if (db.hasFiles()) {
        event.acceptTransferModes(TransferMode.LINK);
    } else {
        event.consume();
    }
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
public void onDragDroppedHandleFiles(DragEvent event){
    Dragboard db = event.getDragboard();
    boolean success = false;
    if (db.hasFiles()) {
        success = true;
        for (File file : db.getFiles()) {
            showManifest(file);
            break;
        }
    }
    event.setDropCompleted(success);
    event.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
/**
 * Drag over action
 * 
 * @param event
 */
@FXML
public void dragOver(DragEvent event) {
	Dragboard dragboard = event.getDragboard();
	if(dragboard.hasFiles() && dragboard.getFiles().size() == 1 && 
			dragboard.getFiles().get(0).getName().endsWith(".xml")) {
		event.acceptTransferModes(TransferMode.COPY);
		dropArea.getStyleClass().add("active");
	}
	event.consume();
}
 

import javafx.scene.input.DragEvent; //導入方法依賴的package包/類
@FXML
public void onSongPathDragOver(DragEvent ev) {
	Dragboard db = ev.getDragboard();
	if (db.hasFiles()) {
		ev.acceptTransferModes(TransferMode.COPY_OR_MOVE);
	}
	ev.consume();
}