Example usage for javax.swing.event PopupMenuEvent getSource

Introduction

In this page you can find the example usage for javax.swing.event PopupMenuEvent getSource.

Prototype

public Object getSource() 

Source Link

Document

The object on which the Event initially occurred.

Usage

From source file:Main.java

public static void main(String[] args) {
    JComboBox c = new JComboBox();
    c.addPopupMenuListener(new PopupMenuListener() {

        @Override/*from   ww  w  .ja  v  a 2  s  .  c  o  m*/
        public void popupMenuCanceled(PopupMenuEvent e) {
            System.out.println(e.getSource());
        }

        @Override
        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
            System.out.println(e.getSource());
        }

        @Override
        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            System.out.println(e.getSource());
        }
    });
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().setLayout(new FlowLayout());
    f.getContentPane().add(c);
    f.pack();
    f.setVisible(true);
}

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From source file:PopupTest.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Popup Menu Listener");
    Container contentPane = frame.getContentPane();

    final String flavors[] = { "Item 1", "Item 2", "Item 3" };

    PopupMenuListener listener = new PopupMenuListener() {
        boolean initialized = false;

        public void popupMenuCanceled(PopupMenuEvent e) {
        }//from  ww w.  j av  a  2 s . c om

        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        }

        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            if (!initialized) {
                JComboBox combo = (JComboBox) e.getSource();
                ComboBoxModel model = new DefaultComboBoxModel(flavors);
                combo.setModel(model);
                initialized = true;
            }
        }
    };

    JComboBox jc = new JComboBox();
    jc.addPopupMenuListener(listener);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    contentPane.add(jc, BorderLayout.NORTH);

    frame.pack();
    frame.show();
}

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Popup Menu Listener");
    Container contentPane = frame.getContentPane();

    final String flavors[] = { "Item 1", "Item 2", "Item 3" };

    PopupMenuListener listener = new PopupMenuListener() {
        boolean initialized = false;

        public void popupMenuCanceled(PopupMenuEvent e) {
        }// w ww.ja  va2 s. c  o m

        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        }

        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            if (!initialized) {
                JComboBox combo = (JComboBox) e.getSource();
                ComboBoxModel model = new DefaultComboBoxModel(flavors);
                combo.setModel(model);
                initialized = true;
            }
        }
    };

    JComboBox jc = new JComboBox();
    jc.addPopupMenuListener(listener);
    jc.setMaximumRowCount(4);
    jc.setEditable(true);
    contentPane.add(jc, BorderLayout.NORTH);

    frame.pack();
    frame.setVisible(true);
}

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From source file:Main.java

public void popupMenuWillBecomeVisible(PopupMenuEvent evt) {
    JComboBox cb = (JComboBox) evt.getSource();
}

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From source file:Main.java

public void popupMenuWillBecomeInvisible(PopupMenuEvent evt) {
    JComboBox cb = (JComboBox) evt.getSource();
}

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From source file:Main.java

public void popupMenuCanceled(PopupMenuEvent evt) {
    JComboBox cb = (JComboBox) evt.getSource();
}

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From source file:Main.java

public Main() {
    String[] items = { "Item1", "Item2", "Item3", "Item4", "Item5" };
    JComboBox<String> comboBox = new JComboBox<>(items);
    add(comboBox);//from   w w  w.j a  va 2  s  .c  om

    comboBox.addPopupMenuListener(new PopupMenuListener() {
        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
            JComboBox<String> comboBox = (JComboBox<String>) e.getSource();
            BasicComboPopup popup = (BasicComboPopup) comboBox.getAccessibleContext().getAccessibleChild(0);
            JList list = popup.getList();
            list.setSelectedIndex(2);
        }

        public void popupMenuCanceled(PopupMenuEvent e) {
        }

        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        }

    });
}

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From source file:Main.java

public Main() {
    setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    setSize(400, 300);/* ww  w  .  ja v  a 2  s.c  o m*/
    jPopupMenu1.add(jMenuItem1);
    jTabbedPane1.addTab(null, jLabel1);
    jTabbedPane1.addTab(null, jLabel2);
    getContentPane().add(jTabbedPane1, BorderLayout.CENTER);
    int tabCount = jTabbedPane1.getTabCount();
    for (int i = 0; i < tabCount; i++) {
        JLabel jLabel = new JLabel("Testing the tab" + (i + 1));
        jTabbedPane1.setTabComponentAt(i, jLabel);
        jLabel.setName(String.valueOf(i));
        jLabel.setComponentPopupMenu(jPopupMenu1);
    }
    jPopupMenu1.addPopupMenuListener(new PopupMenuListener() {

        @Override
        public void popupMenuCanceled(final PopupMenuEvent evt) {
        }

        @Override
        public void popupMenuWillBecomeInvisible(final PopupMenuEvent evt) {
        }

        @Override
        public void popupMenuWillBecomeVisible(final PopupMenuEvent evt) {
            JPopupMenu source = (JPopupMenu) evt.getSource();
            JLabel invoker = (JLabel) source.getInvoker();
            JLabel component = (JLabel) jTabbedPane1.getComponentAt(Integer.parseInt(invoker.getName()));
            jMenuItem1.setText(invoker.getText() + ":  " + component.getText());
        }
    });
}

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