package javafx_mouseevent;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.LineTo;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;
import javafx.stage.Stage;
/**
*
* @web http://java-buddy.blogspot.com/
*/
public class JavaFX_MouseEvent extends Application {
Label label;
Path path;
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) {
primaryStage.setTitle("java-buddy.blogspot.com");
Group root = new Group();
Scene scene = new Scene(root, 300, 250);
label = new Label("Wait mouse");
path = new Path();
path.setStrokeWidth(1);
path.setStroke(Color.BLACK);
scene.setOnMouseClicked(mouseHandler);
scene.setOnMouseDragged(mouseHandler);
scene.setOnMouseEntered(mouseHandler);
scene.setOnMouseExited(mouseHandler);
scene.setOnMouseMoved(mouseHandler);
scene.setOnMousePressed(mouseHandler);
scene.setOnMouseReleased(mouseHandler);
root.getChildren().add(label);
root.getChildren().add(path);
primaryStage.setScene(scene);
primaryStage.show();
}
EventHandler<MouseEvent> mouseHandler = new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
label.setText(mouseEvent.getEventType() + "\n"
+ "X : Y - " + mouseEvent.getX() + " : " + mouseEvent.getY() + "\n"
+ "SceneX : SceneY - " + mouseEvent.getSceneX() + " : " + mouseEvent.getSceneY() + "\n"
+ "ScreenX : ScreenY - " + mouseEvent.getScreenX() + " : " + mouseEvent.getScreenY());
if(mouseEvent.getEventType() == MouseEvent.MOUSE_PRESSED){
path.getElements().clear();
path.getElements().add(new MoveTo(mouseEvent.getX(), mouseEvent.getY()));
}else if(mouseEvent.getEventType() == MouseEvent.MOUSE_DRAGGED){
path.getElements().add(new LineTo(mouseEvent.getX(), mouseEvent.getY()));
}
}
};
}
Spring Hibernate Free draw by MouseEvent
Last article demonstrate how to "Detect mouse event" in JavaFX 2. It's modify to free draw path in the EventHandler for MouseEvent.