[[oktatas:programozás:java:java_fx|< Java FX]]

====== JavaFX - Operációs rendszer ======

  * **Szerző:** Sallai András
  * Copyright (c) 2024, Sallai András
  * Licenc: [[https://creativecommons.org/licenses/by-sa/4.0/|CC BY-SA 4.0]]
  * Web: https://szit.hu

===== Kilépés =====

<code java>
import javafx.application.Platform;
//...
Button exitButton = new Button("Kilépés");
exitButton.setOnAction(event -> {
    Platform.exit();
});
</code>

<code java>
Button exitButton = new Button("Kilépés");
exitButton.setOnAction(event -> {
    System.exit(0);
});
</code>

===== Vágólap =====

==== Másolás ====

<code java MainController.java>
package com.example;

import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.TextArea;
import javafx.scene.input.Clipboard;
import javafx.scene.input.ClipboardContent;

public class MainController {

    @FXML
    private TextArea editorArea;

    @FXML
    void onClickCopyButton(ActionEvent event) {
        startCopy();
    }
    private void startCopy() {
        String editorText = editorArea.getSelectedText();
        Clipboard clipboard = Clipboard.getSystemClipboard();
        ClipboardContent content = new ClipboardContent();
        content.putString(editorText);
        clipboard.setContent(content);
    }

}
</code>

==== Beillesztés ====

<code java>
    @FXML
    void onClickPasteButton(ActionEvent event) {
        startPaste();
    }
    
    private void startPaste() {
        Clipboard clipboard = Clipboard.getSystemClipboard();
        String content = clipboard.getString();
        int cursorPosition = editorArea.getCaretPosition();
        editorArea.insertText(cursorPosition,content);
    }
</code>

==== Kivágás ====

<code java>
    @FXML
    void onClickCutButton(ActionEvent event) {
        startCut();
    }

    private void startCut() {
        String editorText = editorArea.getSelectedText();
        editorArea.deleteText(editorArea.getSelection());
        Clipboard clipboard = Clipboard.getSystemClipboard();
        ClipboardContent content = new ClipboardContent();
        content.putString(editorText);
        clipboard.setContent(content); 
    }
</code>