使用JavaFX设置响应式布局

Question

我开始使用javaFX，我想这样设置布局：

我安装了场景生成器，但是没有选项可以像html中的简单div这样使用百分比...

那么设置此布局的最佳选择是什么？

它是我的简单fxml文件：（现在为空）

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.layout.AnchorPane?>

<AnchorPane xmlns:fx="http://javafx.com/fxml/1">
    <!-- TODO Add Nodes -->
</AnchorPane>

tnx很多

Answer 1

您可以使用GridPane带有适当约束的a来实现这种布局：

@Override
public void start(Stage primaryStage) throws IOException {
    GridPane root = new GridPane();

    root.getColumnConstraints().addAll(DoubleStream.of(30, 2, 68)
            .mapToObj(width -> {
                ColumnConstraints constraints = new ColumnConstraints();
                constraints.setPercentWidth(width);
                constraints.setFillWidth(true);
                return constraints;
            }).toArray(ColumnConstraints[]::new));

    RowConstraints rowConstraints = new RowConstraints();
    rowConstraints.setVgrow(Priority.ALWAYS);

    root.getRowConstraints().add(rowConstraints);

    root.addRow(0, Stream.of("red", "green", "blue").map(s -> {
        Region region = new Region();
        region.setStyle("-fx-background-color:"+s);
        return region;
    }).toArray(Node[]::new));

    Scene scene = new Scene(root);

    primaryStage.setScene(scene);
    primaryStage.show();
}

FXML版本

@Override
public void start(Stage primaryStage) throws IOException {
    GridPane root = new GridPane();

    root.getColumnConstraints().addAll(DoubleStream.of(30, 2, 68)
            .mapToObj(width -> {
                ColumnConstraints constraints = new ColumnConstraints();
                constraints.setPercentWidth(width);
                constraints.setFillWidth(true);
                return constraints;
            }).toArray(ColumnConstraints[]::new));

    RowConstraints rowConstraints = new RowConstraints();
    rowConstraints.setVgrow(Priority.ALWAYS);

    root.getRowConstraints().add(rowConstraints);

    root.addRow(0, Stream.of("red", "green", "blue").map(s -> {
        Region region = new Region();
        region.setStyle("-fx-background-color:"+s);
        return region;
    }).toArray(Node[]::new));

    Scene scene = new Scene(root);

    primaryStage.setScene(scene);
    primaryStage.show();
}