Java EventHandler类代码示例

import javafx.event.EventHandler; //导入依赖的package包/类
@FXML
public void openHelp(ActionEvent event) throws IOException {
    Parent root = FXMLLoader.load(getClass().getResource("/fxml/helpPopup.fxml"));
    final Scene scene = new Scene(root);
    final Stage stage = new Stage();
    stage.setTitle("Help");
    stage.setScene(scene);
    stage.show();
    stage.setResizable(false);
    stage.centerOnScreen();

    root.setOnKeyPressed(new EventHandler<KeyEvent>() {
        public void handle(KeyEvent ke) {
            if (ke.getCode() == KeyCode.ESCAPE) {
                System.out.println("Key Pressed: " + ke.getCode());
                stage.close();
            }
        }
    });
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private Resource(Scene start, String name, int startCost, long value, long delay, double mult, final MoneyListener listener){
    System.out.println(name);
    this.prog = (ProgressBar) start.lookup("#" + name + "_progress");
    this.made = (Label) start.lookup("#" + name + "_money");
    this.buy = (Button) start.lookup("#" + name + "_buy");

    this.multiply = mult;
    this.name = name;
    this.print = (name.charAt(0) + "").toUpperCase() + name.substring(1);
    this.value = value;
    this.cost = startCost;
    this.delay = delay;
    this.listener = listener;

    setText(made, print + " Earnings: " + format.format(money));
    setText(buy, "(" + miners + ") Buy Miner: " + format.format((long)cost));

    this.buy.setOnAction(new EventHandler<ActionEvent>() {
        public void handle(ActionEvent event) {
            listener.buyMiner(Resource.this.name);
        }
    });
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
@FXML
public void openSubmitAction(ActionEvent event) throws IOException {
    Node node = (Node) event.getSource();
    final Stage stage = (Stage) node.getScene().getWindow();
    final Parent home = FXMLLoader.load(getClass().getResource("/fxml/Homepage.fxml"));
    final Scene hScene = new Scene(home);
    Parent root = FXMLLoader.load(getClass().getResource("/fxml/Submit.fxml"));
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.show();

    root.setOnKeyPressed(new EventHandler<KeyEvent>() {
        public void handle(KeyEvent ke) {
            if (ke.getCode() == KeyCode.ESCAPE) {
                System.out.println("Key Pressed: " + ke.getCode());
                stage.setScene(hScene);
            }
        }
    });
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private Button createSaveFlightButton(Stage stage){
       Button btnSaveFlight = new Button();
       btnSaveFlight.setLayoutX(10);
       btnSaveFlight.setLayoutY(60);;
       btnSaveFlight.setText("Save Flight");

       btnSaveFlight.setOnAction(       
       new EventHandler<ActionEvent>() {
          @Override
          public void handle(final ActionEvent e) {
       	   FileChooser fileChooser = new FileChooser();
      		   fileChooser.setTitle("Flight plan (xml)");
      		   File file = fileChooser.showSaveDialog(stage);
      		   if (file != null) {
      		       System.out.println("Selected " + file);
      		       try {
      		    	    fzv.setPlanningMode(false);
   				    new SaveXMLFlight(file.getAbsolutePath(),wayPoints);
			   } catch (IOException | FlightZoneException e1) {
   					// TODO Auto-generated catch block
   					e1.printStackTrace();
   			   }     
      	    }
       }});
       return btnSaveFlight;
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
@Override protected void seriesRemoved(Series<Number, Number> series) {
    // remove all candle nodes
    for (XYChart.Data<Number, Number> d : series.getData()) {
        final Node candle = d.getNode();
        if (shouldAnimate()) {
            // fade out old candle
            FadeTransition ft = new FadeTransition(Duration.millis(500), candle);
            ft.setToValue(0);
            ft.setOnFinished(new EventHandler<ActionEvent>() {

                @Override
                public void handle(ActionEvent actionEvent) {
                    getPlotChildren().remove(candle);
                }
            });
            ft.play();
        } else {
            getPlotChildren().remove(candle);
        }
    }
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private static EventHandler<Event> createZoomOutLineChartEventHandler(LineChart<String, Number> lineChart,
        Scene scene, int originalIndexInParent) {
    return new EventHandler<Event>() {
        @Override
        public void handle(Event e) {
            lineChart.removeEventHandler(MouseEvent.MOUSE_CLICKED, this);

            zoomOutAndReset(lineChart);

            resetToOriginalIndexInParent(lineChart, originalIndexInParent);

            lineChart.addEventHandler(MouseEvent.MOUSE_CLICKED,
                    createZoomInLineChartEventHandler(lineChart, scene));
        }

    };
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
@FXML
public void addNewWorld(){
	final File f = new File(AppConfig.getWorldsLocation() + newWorldName.getText());
	f.mkdirs();
	
	Button cur = new Button(f.getName());
	cur.setOnAction(new EventHandler<ActionEvent>(){
		public void handle(ActionEvent event) {
			selectedFile = new File(AppConfig.getWorldsLocation() + f.getName());
			closeWindow();
		}
	});
	cur.setFont(bFont);
	cur.minWidthProperty().bind(worlds.widthProperty().subtract(10));
	worlds.getChildren().add(cur);
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private EventHandler<ActionEvent> createProgressIndicatorAnimationTimeLineOnFinished(WhereIsIt gameInstance) {
    return new EventHandler<ActionEvent>() {

        @Override
        public void handle(ActionEvent actionEvent) {

            log.debug("FINISHED");

            selected = true;

            imageRectangle.removeEventFilter(MouseEvent.ANY, customInputEventHandler);
            imageRectangle.removeEventFilter(GazeEvent.ANY, customInputEventHandler);
            GazeUtils.removeEventFilter(imageRectangle);

            if (winner) {
                onCorrectCardSelected(gameInstance);
            } else {
                // bad card
                onWrongCardSelected(gameInstance);
            }
        }
    };
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
@Override
public void init(Stage stage, Scene scene, Pane pane) {
    addButton.setOnMouseClicked(new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent event) {
            //add transition

            String eventName = eventNameTextField.getText();

            if (eventName.isEmpty()) {
                return;
            }

            RaiseEventTransition transition = new RaiseEventTransition(eventName);
            entry.getTranstionList(index).add(transition);

            //refresh listview
            paneController.refreshListView();

            stage.close();
        }
    });
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
/**
 * Initial return to home base command
 * @param flightZoneView
 * @param btnText
 * @param stage
 * @return
 */
Button makeReturnHomeButton(final FlightZoneView flightZoneView, String btnText, Stage stage){
    Button platoonBtn = createButton(btnText, 120);
    platoonBtn.setOnAction(
    new EventHandler<ActionEvent>() {
       @Override
       public void handle(final ActionEvent e) {
      	    try {
				flightZoneView.flightManager.getFlights().groundAllFlights();
			} catch (FlightZoneException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
   	     }
    });
    return platoonBtn;
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private EventHandler<MouseEvent> makeOnButtonDownListener(){
	return new EventHandler<MouseEvent>() {

		@Override
		public void handle(MouseEvent event) {
			if(event.getButton() == MouseButton.PRIMARY){
				HitInfo i = DnDTextInput.getHitInfo((TextInputControl) event.getSource(), event);
				IndexRange r = textInput.getSelection();
				
				if(DnDTextInput.isInRange(i.getInsertionIndex(), r)){
					currentSelection = r;
				}
				
				inClick = true;
			}
		}
	};
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private void init(Stage primaryStage) {
    Group root = new Group();
    primaryStage.setScene(new Scene(root));
    root.getChildren().add(createChart());
    // create timeline to add new data every 60th of second
    animation = new Timeline();
    animation.getKeyFrames().add(new KeyFrame(Duration.millis(1000/60), new EventHandler<ActionEvent>() {
        @Override public void handle(ActionEvent actionEvent) {
            // 6 minutes data per frame
            for(int count=0; count < 6; count++) {
                nextTime();
                plotTime();
            }
        }
    }));
    animation.setCycleCount(Animation.INDEFINITE);
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
public WebViewPane() {
    VBox.setVgrow(this, Priority.ALWAYS);
    setMaxWidth(Double.MAX_VALUE);
    setMaxHeight(Double.MAX_VALUE);

    WebView view = new WebView();
    view.setMinSize(500, 400);
    view.setPrefSize(500, 400);
    final WebEngine eng = view.getEngine();
    eng.load("http://www.oracle.com/us/index.html");
    final TextField locationField = new TextField("http://www.oracle.com/us/index.html");
    locationField.setMaxHeight(Double.MAX_VALUE);
    Button goButton = new Button("Go");
    goButton.setDefaultButton(true);
    EventHandler<ActionEvent> goAction = new EventHandler<ActionEvent>() {
        @Override public void handle(ActionEvent event) {
            eng.load(locationField.getText().startsWith("http://") ? locationField.getText() :
                    "http://" + locationField.getText());
        }
    };
    goButton.setOnAction(goAction);
    locationField.setOnAction(goAction);
    eng.locationProperty().addListener(new ChangeListener<String>() {
        @Override public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
            locationField.setText(newValue);
        }
    });
    GridPane grid = new GridPane();
    grid.setVgap(5);
    grid.setHgap(5);
    GridPane.setConstraints(locationField, 0, 0, 1, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.SOMETIMES);
    GridPane.setConstraints(goButton,1,0);
    GridPane.setConstraints(view, 0, 1, 2, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.ALWAYS);
    grid.getColumnConstraints().addAll(
            new ColumnConstraints(100, 100, Double.MAX_VALUE, Priority.ALWAYS, HPos.CENTER, true),
            new ColumnConstraints(40, 40, 40, Priority.NEVER, HPos.CENTER, true)
    );
    grid.getChildren().addAll(locationField, goButton, view);
    getChildren().add(grid);
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
private void bindBtStartEvents() {
    btStart.setOnMouseClicked(new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent event) {
            startGame();
        }
    });
}
 

import javafx.event.EventHandler; //导入依赖的package包/类
@Override
public void init(Stage stage, Scene scene, Pane pane) {
    addButton.setOnMouseClicked(new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent event) {
            //add transition

            String questName = questNameTextField.getText();

            if (questName.isEmpty()) {
                return;
            }

            GiveQuestTransition transition = new GiveQuestTransition(questName);
            entry.getTranstionList(index).add(transition);

            //refresh listview
            paneController.refreshListView();

            stage.close();
        }
    });
}