Example usage for javafx.scene.control TextArea setVisible

Introduction

In this page you can find the example usage for javafx.scene.control TextArea setVisible.

Prototype

public final void setVisible(boolean value) 

Source Link

Usage

From source file:nl.mvdr.umvc3replayanalyser.gui.ErrorMessagePopup.java

/**
 * Handles an exception that caused program startup to fail, by showing an error message to the user.
 * /*from   w w w.  j  av  a 2  s  .com*/
 * @param title
 *            title for the dialog
 * @param errorMessage
 *            error message
 * @param stage
 *            stage in which to show the error message
 * @param exception
 *            exception that caused the error
 */
public static void show(String title, String errorMessage, final Stage stage, Exception exception) {
    log.info("Showing error message dialog to indicate that startup failed.");

    // Create the error dialog programatically without relying on FXML, to minimize the chances of further failure.

    stage.setTitle(title);

    // Error message text.
    Text text = new Text(errorMessage);

    // Text area containing the stack trace. Not visible by default.
    String stackTrace;
    if (exception != null) {
        stackTrace = ExceptionUtils.getStackTrace(exception);
    } else {
        stackTrace = "No more details available.";
    }
    final TextArea stackTraceArea = new TextArea(stackTrace);
    stackTraceArea.setEditable(false);
    stackTraceArea.setVisible(false);

    // Details button for displaying the stack trace.
    Button detailsButton = new Button();
    detailsButton.setText("Details");
    detailsButton.setOnAction(new EventHandler<ActionEvent>() {
        /** {@inheritDoc} */
        @Override
        public void handle(ActionEvent event) {
            log.info("User clicked Details.");
            stackTraceArea.setVisible(!stackTraceArea.isVisible());
        }
    });

    // OK button for closing the dialog.
    Button okButton = new Button();
    okButton.setText("OK");
    okButton.setOnAction(new EventHandler<ActionEvent>() {
        /** {@inheritDoc} */
        @Override
        public void handle(ActionEvent event) {
            log.info("User clicked OK, closing the dialog.");
            stage.close();
        }
    });

    // Horizontal box containing the buttons, to make sure they are always centered.
    HBox buttonsBox = new HBox(5);
    buttonsBox.getChildren().add(detailsButton);
    buttonsBox.getChildren().add(okButton);
    buttonsBox.setAlignment(Pos.CENTER);

    // Layout constraints.
    AnchorPane.setTopAnchor(text, Double.valueOf(5));
    AnchorPane.setLeftAnchor(text, Double.valueOf(5));
    AnchorPane.setRightAnchor(text, Double.valueOf(5));

    AnchorPane.setTopAnchor(stackTraceArea, Double.valueOf(31));
    AnchorPane.setLeftAnchor(stackTraceArea, Double.valueOf(5));
    AnchorPane.setRightAnchor(stackTraceArea, Double.valueOf(5));
    AnchorPane.setBottomAnchor(stackTraceArea, Double.valueOf(36));

    AnchorPane.setLeftAnchor(buttonsBox, Double.valueOf(5));
    AnchorPane.setRightAnchor(buttonsBox, Double.valueOf(5));
    AnchorPane.setBottomAnchor(buttonsBox, Double.valueOf(5));

    AnchorPane root = new AnchorPane();
    root.getChildren().addAll(text, stackTraceArea, buttonsBox);

    stage.setScene(new Scene(root));

    // Use a standard program icon if possible.
    try {
        stage.getIcons().add(Icons.get().getRandomPortrait());
    } catch (IllegalStateException e) {
        log.warn("Failed to load icon for error dialog; proceeding with default JavaFX icon.", e);
    }

    stage.show();

    // Default size should also be the minimum size.
    stage.setMinWidth(stage.getWidth());
    stage.setMinHeight(stage.getHeight());

    log.info("Error dialog displayed.");
}

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