Die Anleitung zu JavaFX ScrollPane
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ScrollPane ist ein rollbarer Teil von Schnittstelle (scrollable). Er wird benutzt, eine große Inhalt in einem begrenzten Raum anzuzeigen. Er hat die vertikalen und horizontalen Bildlaufsleite (scroll bar)

ScrollBar Policy
Sie können die Anzeige-Politik (scrollbar policy) für die Bildlaufleiste setzen
- NEVER - Never display
- ALWAYS - Always display
- AS_NEEDED - Display if needed.
** ScrollBarPolicy **
// Setting a horizontal scroll bar is always display scrollPane.setHbarPolicy(ScrollBarPolicy.ALWAYS); // Setting vertical scroll bar is never displayed. scrollPane.setVbarPolicy(ScrollBarPolicy.NEVER);
ScrollPaneDemo1.java
package org.o7planning.javafx.scrollpane; import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.ScrollPane; import javafx.scene.control.ScrollPane.ScrollBarPolicy; import javafx.stage.Stage; public class ScrollPaneDemo1 extends Application { @Override public void start(Stage primaryStage) { // Create a ScrollPane ScrollPane scrollPane = new ScrollPane(); Button button = new Button("My Button"); button.setPrefSize(400, 300); // Set content for ScrollPane scrollPane.setContent(button); // Always show vertical scroll bar scrollPane.setVbarPolicy(ScrollBarPolicy.ALWAYS); // Horizontal scroll bar is only displayed when needed scrollPane.setHbarPolicy(ScrollBarPolicy.AS_NEEDED); primaryStage.setTitle("ScrollPane Demo 1 (o7planning.org)"); Scene scene = new Scene(scrollPane, 550, 200); primaryStage.setScene(scene); primaryStage.show(); } public static void main(String[] args) { launch(args); } }
Beispiel

ScrollPaneDemo2.java
package org.o7planning.javafx.scrollpane; import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.ScrollPane; import javafx.scene.layout.FlowPane; import javafx.stage.Stage; public class ScrollPaneDemo2 extends Application { @Override public void start(Stage primaryStage) { final FlowPane container = new FlowPane(); // Button 1 Button button1= new Button("Button 1"); button1.setPrefSize(350, 100); container.getChildren().add(button1); // Button 2 Button button2= new Button("Button 2"); button2.setPrefSize(245, 220); container.getChildren().add(button2); // ScrollPane ScrollPane scrollPane = new ScrollPane(); scrollPane.setContent(container); // Pannable. scrollPane.setPannable(true); primaryStage.setTitle("ScrollPane Demo 2 (o7planning.org)"); Scene scene = new Scene(scrollPane, 550, 200); primaryStage.setScene(scene); primaryStage.show(); } public static void main(String[] args) { launch(args); } }
Beispiel
