package goryachev.bugs; import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.ToolBar; import javafx.scene.layout.BorderPane; import javafx.scene.paint.Color; import javafx.scene.web.WebEngine; import javafx.scene.web.WebView; import javafx.stage.Stage; /** * WebView: setting page fill has no effect. * https://bugs.openjdk.org/browse/JDK-8333304 */ public class WebView_PageFill_8333304 extends Application { private WebView webView; private WebEngine engine; @Override public void start(Stage stage) throws Exception { webView = new WebView(); webView.setOpacity(1.0); // setting opacity != 1.0 has no effect webView.setStyle("-fx-background-color:green;"); // nothing // there is no background property, WebView is a Parent engine = webView.getEngine(); engine.setOnError((ev) -> { System.err.println("onError:" + ev); }); engine.setOnStatusChanged((ev) -> { System.err.println("onStatusChanged:" + ev); }); engine.getLoadWorker().stateProperty().addListener((s, p, c) -> { System.err.println("state:" + c); }); ToolBar tb = new ToolBar(); tb.getItems().add(button("TogglePageFill", this::setBackground)); tb.getItems().add(button("LoadHTML", this::loadHtml)); BorderPane bp = new BorderPane(); bp.setTop(tb); bp.setCenter(webView); //webView.setPageFill(Color.BLUE); //engine.loadContent(""); Scene scene = new Scene(bp); stage.setScene(scene); stage.show(); stage.setTitle("JDK-8333304"); } private Button button(String name, Runnable action) { Button b = new Button(name); b.setOnAction((ev) -> action.run()); return b; } private void setBackground() { boolean red = !Color.RED.equals(webView.getPageFill()); webView.setPageFill(red ? Color.RED : Color.BLACK); } private void loadHtml() { engine.loadContent(""); } }