您好我目前在JavaFX中使用GridPane,並偶然發現一個問題...我想創建一個三行的佈局,中間的一個增長並佔用所有可用空間,但我只是不能得到它的工作。中間一排變得太大,將窗底下的一排「推」到不再可見的地方......我該怎麼做才能使底排始終位於底部,並讓中排佔據可用空間inbetween,但沒有更多......我會粘貼我的代碼在下面。JavaFX - Gridpane增長問題
謝謝!
(注:該代碼已經稍微改變爲清晰起見,但以同樣的方式)
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!添加一個 「最小的,完整的和可驗證的例子」
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。問題可能是由佈局中的其他內容引起的。你可以發佈一個[MCVE]來證明你描述的效果嗎? –
@James_D Yepp!我添加了一個簡短的版本,工作和再現相同的問題,感謝您的評論=) – Estrozix