如何让hbox适合列header?

How to make hbox fit the column header?

这是自定义列的代码 header:

private HBox createHeader(int index, String name){
        HBox box = new HBox();
        box.setAlignment(Pos.CENTER);

        TextField headerTextField = new TextField(name);
        headerTextField.textProperty().addListener((observable, oldValue, newValue) -> {
            changeHeaderList(oldValue, newValue);
        });


        final ImageView crossImg = new ImageView("file:res/x.png");
        crossImg.setFitHeight(20d);
        crossImg.setFitWidth(20d);
        crossImg.addEventHandler(MouseEvent.MOUSE_CLICKED, (MouseEvent event) -> {
            selectedMatrix.getMatrixRowsArrList().forEach((MatrixRow mr) -> mr.getCells().remove(index));
            selectedMatrix.setNumOfColumns(selectedMatrix.getNumOfColumns() - 1);
            showMatrix(selectedMatrix.getName());
            event.consume();
        });

        box.getChildren().addAll(headerTextField, crossImg);
        return box;
    }

它是这样叫的:

if (editBox.isSelected()) {

    col.setSortable(false);                       
    col.setGraphic(createHeader(i, m.getMatrixRowsArrList().get(0).getCells().get(i)));

这是它的样子:

全屏:

如何让 TextField 横跨整个 HBox?所以它像第一张图片一样全屏填充。谢谢。

您可以在您的 HBox 的 createHeader 方法中设置 HGrow

HBox.setHgrow(headerTextField, Priority.ALWAYS);