在JavaFX中是否可以有多个打开窗格的手风琴?
发布于 2013-03-14 07:33:03
不能,JavaFX 2.2 Accordion一次只能有一个打开的窗格。
我为一个特性创建了一个增强请求(JDK-8090554 StackedTitledPanes control),它允许您一次在折叠面板中打开多个窗格,但是该特性请求目前尚未实现。
同时,通过创建多个TitledPane实例并将它们放在VBox中,您可以很容易地自己构造一个类似的控件。
private VBox createStackedTitledPanes() {
final VBox stackedTitledPanes = new VBox();
stackedTitledPanes.getChildren().setAll(
new TitledPane("Pane 1", contentNode1),
new TitledPane("Pane 2", contentNode2),
new TitledPane("Pane 3", contentNode3)
);
((TitledPane) stackedTitledPanes.getChildren().get(0)).setExpanded(true);
return stackedTitledPanes;
}
如有必要,您可以将包含窗格的VBox
包装在ScrollPane中,以便所有展开的窗格的内容在它们的区域超出可用区域时都可以使用。
我创建了一个sample solution (图标是来自:http://www.fasticon.com的链接件)。
更新
对以前的外部链接示例解决方案进行了现代化和内联,以实现可滚动的TitledPanes堆栈。
此外,请注意,在现代JavaFX环境中,默认样式略有不同(在TitledPane内容背景等内容中,默认情况下渐变较少),因此它看起来与此答案中的前一个图像略有不同,但其他行为是相似的。
import javafx.application.Application;
import javafx.geometry.*;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.image.*;
import javafx.scene.layout.*;
import javafx.stage.Stage;
public class StackedPanes extends Application {
// image license: linkware - backlink to http://www.fasticon.com
private static final Image BLUE_FISH = new Image("http://icons.iconarchive.com/icons/fasticon/fish-toys/128/Blue-Fish-icon.png");
private static final Image RED_FISH = new Image("http://icons.iconarchive.com/icons/fasticon/fish-toys/128/Red-Fish-icon.png");
private static final Image YELLOW_FISH = new Image("http://icons.iconarchive.com/icons/fasticon/fish-toys/128/Yellow-Fish-icon.png");
private static final Image GREEN_FISH = new Image("http://icons.iconarchive.com/icons/fasticon/fish-toys/128/Green-Fish-icon.png");
@Override
public void start(Stage stage) {
VBox stackedTitledPanes = createStackedTitledPanes();
ScrollPane scroll = new ScrollPane(stackedTitledPanes);
scroll.setFitToWidth(true);
scroll.setFitToHeight(true);
scroll.setPrefWidth(410);
scroll.setStyle("-fx-base: cadetblue;");
stage.setTitle("Fishy, fishy");
Scene scene = new Scene(scroll);
stage.setScene(scene);
stage.show();
}
private VBox createStackedTitledPanes() {
final VBox stackedTitledPanes = new VBox();
stackedTitledPanes.getChildren().setAll(
createTitledPane("One Fish", GREEN_FISH),
createTitledPane("Two Fish", YELLOW_FISH, GREEN_FISH),
createTitledPane("Red Fish", RED_FISH),
createTitledPane("Blue Fish", BLUE_FISH)
);
((TitledPane) stackedTitledPanes.getChildren().get(0)).setExpanded(true);
return stackedTitledPanes;
}
public TitledPane createTitledPane(String title, Image... images) {
FlowPane content = new FlowPane();
for (Image image : images) {
ImageView imageView = new ImageView(image);
content.getChildren().add(imageView);
FlowPane.setMargin(imageView, new Insets(10));
}
content.setAlignment(Pos.TOP_CENTER);
TitledPane pane = new TitledPane(title, content);
pane.setExpanded(false);
return pane;
}
public static void main(String[] args) {
Application.launch(args);
}
}
https://stackoverflow.com/questions/15386268
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