Manual update of the implementation of the CSS.

Hi everyody,.

can someone explain to me how to change a class/id css rule at run time and to see the new style burial on?

I associate set up an EventHandler to add the same style sheet file that is used to start the application, but no change and no error message results.

SerializableAttribute public class TrackerClient extends Application {}

@Override

public void start (steps) riser Exception {}

final String cssUrl = getClass().getResource("/tracker/view/fxmlgui.css").toExternalForm ();

Mother-root = FXMLLoader.load(getClass().getResource("/tracker/view/fxmlGui.fxml"));

scene = new Scene (root);

scene.getStylesheets () .add (cssUrl);

stage.setScene (scene);

stage.addEventHandler (KeyEvent.KEY_PRESSED, new EventHandler < KeyEvent > () {}

@Override

{} public void handle (KeyEvent keyEvent)

If (keyEvent.getCode () .equals (KeyCode.F5)) {}

scene.getStylesheets () .add (cssUrl);

System.out.println ("key!");

}

}

}

}

I also tried to use:

StyleManager.getInstance () .reloadStylesheets (scene);

After I changed and saved the css manually class in the css document, but nothing happens in the scene!

The event is triggered when I press the F5 key, but no change of style is planned on.

So I ask if is it possible to change the style of nodes in the scene when running in the latest version of javafx 2?

Thanks in advance!

The following works for me:

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class TrackerClient extends Application {
    @Override
    public void start(Stage primaryStage) {
        Button btn = new Button();
        btn.setText("Submit");
        StackPane root = new StackPane();
        root.getChildren().add(btn);
        final Scene scene = new Scene(root, 300, 250);
        primaryStage.setScene(scene);
        primaryStage.show();
        scene.getStylesheets().add(getClass().getResource("style1.css").toExternalForm());
        primaryStage.addEventHandler(KeyEvent.KEY_PRESSED, new EventHandler() {
            @Override
            public void handle(KeyEvent keyEvent) {
                if (keyEvent.getCode().equals(KeyCode.F5)) {
                    scene.getStylesheets().clear();
                    scene.getStylesheets().add(getClass().getResource("style.css").toExternalForm());
                } else {
                    scene.getStylesheets().clear();
                    scene.getStylesheets().add(getClass().getResource("style1.css").toExternalForm());
                }
            }
        });
    }
    public static void main(String[] args) {
        launch(args);
    }
}

//style.css

.button{
    -fx-text-fill: rgb(49, 89, 23);
    -fx-border-color: rgb(49, 89, 23);
    -fx-border-radius: 5;
    -fx-padding: 3 6 6 6;
}

style1.css

.button{
    -fx-text-fill: rgb(149, 189, 123);
    -fx-border-color: rgb(149, 189, 123);
    -fx-border-radius: 7;
    -fx-padding: 5 8 8 8;
}

Tags: Java

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