您好我目前在JavaFX中使用GridPane,并偶然发现一个问题...我想创建一个三行的布局,中间的一个增长并占用所有可用空间,但我只是不能得到它的工作。中间一排变得太大,将窗底下的一排“推”到不再可见的地方......我该怎么做才能使底排始终位于底部,并让中排占据可用空间inbetween,但没有更多......我会粘贴我的代码在下面。JavaFX - Gridpane增长问题
谢谢!
(注:该代码已经稍微改变为清晰起见,但以同样的方式)
RowConstraints row1 = new RowConstraints(25);
row1.setVgrow(Priority.NEVER);
RowConstraints row2 = new RowConstraints();
row2.setVgrow(Priority.ALWAYS);
RowConstraints row3 = new RowConstraints(25);
row3.setVgrow(Priority.NEVER);
ColumnConstraints column1 = new ColumnConstraints();
column1.setPercentWidth(100);
gridPane.getRowConstraints().add(0, row1);
gridPane.getRowConstraints().add(1, row2);
gridPane.getRowConstraints().add(2, row3);
gridPane.getColumnConstraints().add(0, column1);
gridPane.add(node1, 0, 0);
gridPane.add(node2, 0, 1);
gridPane.add(node3, 0, 2);
更新!添加一个 “最小的,完整的和可验证的例子”
Test.java
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.MenuBar;
import javafx.scene.layout.ColumnConstraints;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.RowConstraints;
import javafx.stage.Stage;
public class Test extends Application {
@Override
public void start(Stage primaryStage) {
GridPane grid = new GridPane();
MenuBar menuBar = new MenuBar();
TestPane pane = new TestPane();
RowConstraints menuRow = new RowConstraints(25);
RowConstraints regRow = new RowConstraints();
regRow.setPercentHeight(100);
ColumnConstraints regColumn = new ColumnConstraints();
regColumn.setPercentWidth(100);
grid.getColumnConstraints().addAll(regColumn);
grid.getRowConstraints().addAll(menuRow, regRow);
grid.add(menuBar, 0, 0);
grid.add(pane, 0, 1);
Scene scene = new Scene(grid, 500, 350);
primaryStage.setScene(scene);
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
TestPane.java
import javafx.scene.control.ListView;
import javafx.scene.control.TextField;
import javafx.scene.layout.ColumnConstraints;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.RowConstraints;
public class TestPane extends GridPane {
public TestPane() {
RowConstraints fixedRow = new RowConstraints(25);
fixedRow.setVgrow(Priority.NEVER);
RowConstraints growingRow = new RowConstraints();
growingRow.setVgrow(Priority.ALWAYS);
ColumnConstraints column = new ColumnConstraints();
column.setPercentWidth(100);
this.getRowConstraints().addAll(fixedRow, growingRow, fixedRow);
this.getColumnConstraints().addAll(column);
TextField field1 = new TextField();
ListView list = new ListView<>();
TextField field2 = new TextField();
this.add(field1, 0, 0);
this.add(list, 0, 1);
this.add(field2, 0, 2);
}
}
我期望的工作。问题可能是由布局中的其他内容引起的。你可以发布一个[MCVE]来证明你描述的效果吗? –
@James_D Yepp!我添加了一个简短的版本,工作和再现相同的问题,感谢您的评论=) – Estrozix