actionlistener

[Solved] What to do when no base class exists to a certain common interface in Java Swing

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You can use the interface and create wrappers for each component type you need. JTextFieldSupportWrapper and JComboboxSupportWrapper both taking an instance of the wrapped object type and and delegating to the addActionListener methods. abstract class ActionListenerSupportWrapper<T extends JComponent> implements ActionListenerSupport { protected final T comp; protected ActionListenerSupportWrapper(T comp) { this.comp = comp; } } // … Read more

[Solved] Action Listeners [closed]

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And how would i make it work form a different class file? Import it, if you need to, and then create an instance of it. how to use the action listeners that are attached to the buttons Place the logic that you’d like to be executed within the actionPerformed(ActionEvent e) method of the ActionListener class … Read more

[Solved] Is there an “onChange” for Java? [closed]

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There is no generic onChange function. However there is a method you can define in a class that implements KeyListener which is public void keyPress. You would use this something like the following: public class MyClass implements KeyListener { private JTextField myField; private JLabel myLabel; public MyClass() { myLabel = new JLabel(“Enter text here”); myField … Read more

[Solved] how to put JavaFX in JPanel?

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Use a JFXPanel. From the documentation => public class Test { private static void initAndShowGUI() { // This method is invoked on Swing thread JFrame frame = new JFrame(“FX”); final JFXPanel fxPanel = new JFXPanel(); frame.add(fxPanel); frame.setVisible(true); Platform.runLater(new Runnable() { @Override public void run() { initFX(fxPanel); } }); } private static void initFX(JFXPanel fxPanel) { … Read more