我正在尝试使用包含2行2列的gridpane设计布局。左上角区域和右上角区域共享宽度,它们都获得宽度的50%。但是在第二行中,我需要右下角的区域获得60%的宽度,因此左下角的区域为40%。

我也尝试过像[[2col。,2col] [1col,3col]]矩阵那样跨列。它也不起作用。

这是我的代码;

public class Main extends Application {

@Override
public void start(Stage primaryStage) throws Exception {
    Group root = new Group();
    primaryStage.setTitle("Hello World");
    Scene scene = new Scene(root, 1700, 1200);


    //zoneTopLeft, spans 2 column
    VBox zoneTopLeft = createBaseContainer();
    //zoneTopRight, spans 2 columns
    VBox zoneTopRight = createBaseContainer();
    //zoneBottomLeft, spans 1 columns
    VBox zoneBottomLeft = createBaseContainer();
    //zoneBottomRight,spans 3 columns
    VBox zoneBottomRight = createBaseContainer();



    ColumnConstraints topRight=new ColumnConstraints();
    topRight.setPrefWidth(300);
    ColumnConstraints topLeft=new ColumnConstraints();
    topRight.setPrefWidth(300);
    ColumnConstraints bottomRight=new ColumnConstraints();
    topRight.setPrefWidth(400);
    ColumnConstraints bottomLeft=new ColumnConstraints();
    topRight.setPrefWidth(200);

    GridPane page=new GridPane();
    page.getColumnConstraints().addAll(topLeft,topRight,bottomLeft,bottomRight);
    page.setHgap(10);
    page.setVgap(10);
    page.add(zoneTopLeft, 0, 0);
    //        page.setColumnSpan(zoneTopLeft, 2);
    page.add(zoneTopRight, 1, 0); //2,0 for spaning
    //        page.setColumnSpan(zoneTopRight,2);
    page.add(zoneBottomLeft, 0, 1);
    //        page.setColumnSpan(zoneBottomLeft,1);
    page.add(zoneBottomRight, 1, 1);
    //        page.setColumnSpan(zoneBottomRight,3);

    root.getChildren().addAll(page);


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


}

private VBox createBaseContainer() {
    VBox base = new VBox(); // box
    base.setPrefWidth(250);
    base.setPrefHeight(200);
    base.setStyle("-fx-border-width: 1;-fx-border-color: red");
    //  base.prefWidthProperty().bind(scene.widthProperty());

    BorderPane top = new BorderPane(); // top area of base
    top.prefWidthProperty().bind(base.prefWidthProperty());
    top.setPrefHeight(33);
    top.setLeft(setBaseTitle());
    top.setRight(setBaseButtons());
    top.setStyle("-fx-border-width: 1;-fx-border-color: blue");

    StackPane bottom = new StackPane(); // bottom are of base, content keeper

    base.getChildren().addAll(top, bottom);
    return base;
}


private Node setBaseButtons() {
    return new HBox();
}

private Node setBaseTitle() {

    return new Label();
}


public static void main(String[] args) {
    launch(args);
}

最佳答案

要对GridPane执行此操作,可将其视为具有三列,其宽度分别为40%,10%和50%。左上方的节点跨越第一和第二列,右上方的只是第三列。左下角仅在第一列中,右下角跨越第二和第三列。

就像是:

|   c1   |c2|     c3    |
_________________________
|-----------|-----------|
|--------|--------------|


在代码中,执行以下操作:

Node topLeft ;
Node topRight ;
Node bottomLeft ;
Node bottomRight ;

GridPane page = new GridPane();
// page.add(Node, colIndex, rowIndex, colSpan, rowSpan):
page.add(topLeft, 0, 0, 2, 1);
page.add(topRight, 2, 0, 1, 1);
page.add(bottomLeft, 0, 2, 1, 1);
page.add(bottomRight, 1, 1, 2, 1);


ColumnConstraints col1Constraints = new ColumnConstraints();
col1Constraints.setPercentWidth(40);
ColumnConstraints col2Constraints = new ColumnConstraints();
col2Constraints.setPercentWidth(10);
ColumnConstraints col3Constraints = new ColumnConstraints();
col3Constraints.setPercentWidth(50);
page.getColumnConstraints().addAll(col1Constraints, col2Constraints, col3Constraints);


编辑:文本从getColumnContraints更改为getColumnConstraints。

07-24 14:56