Example usage for java.awt.event ItemEvent getSource

Introduction

In this page you can find the example usage for java.awt.event ItemEvent getSource.

Prototype

public Object getSource() 

Source Link

Document

The object on which the Event initially occurred.

Usage

From source file:ResizeTable.java

public static void main(String args[]) {

    final Object rowData[][] = { { "1", "one", "I" }, { "2", "two", "II" }, { "3", "three", "III" } };
    final String columnNames[] = { "#", "English", "Roman" };

    final JTable table = new JTable(rowData, columnNames);
    JScrollPane scrollPane = new JScrollPane(table);

    String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column", "Resize Off",
            "Resize Subsequent Columns" };

    final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
            JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF, JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };

    JComboBox resizeModeComboBox = new JComboBox(modes);

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            JComboBox source = (JComboBox) e.getSource();
            int index = source.getSelectedIndex();
            table.setAutoResizeMode(modeKey[index]);
        }//from  w  w  w . ja  v a 2  s .  com
    };
    resizeModeComboBox.addItemListener(itemListener);

    JFrame frame = new JFrame("Resizing Table");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.add(resizeModeComboBox, BorderLayout.NORTH);
    frame.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);

}

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Iconizing CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JCheckBox aCheckBox4 = new JCheckBox("Stuffed Crust");

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton abstractButton = (AbstractButton) itemEvent.getSource();
            Color foreground = abstractButton.getForeground();
            Color background = abstractButton.getBackground();
            int state = itemEvent.getStateChange();
            if (state == ItemEvent.SELECTED) {
                abstractButton.setForeground(background);
                abstractButton.setBackground(foreground);
            }//  www  .j  a  v a  2 s. com
        }
    };
    aCheckBox4.addItemListener(itemListener);
    frame.add(aCheckBox4);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:ResizeTable.java

public static void main(String args[]) {

    Object rowData[][] = { { "1", "one", "ichi - \u4E00", "un", "I" },
            { "2", "two", "ni - \u4E8C", "deux", "II" }, { "3", "three", "san - \u4E09", "trois", "III" },
            { "4", "four", "shi - \u56DB", "quatre", "IV" }, { "5", "five", "go - \u4E94", "cinq", "V" },
            { "6", "six", "roku - \u516D", "treiza", "VI" }, { "7", "seven", "shichi - \u4E03", "sept", "VII" },
            { "8", "eight", "hachi - \u516B", "huit", "VIII" }, { "9", "nine", "kyu - \u4E5D", "neur", "IX" },
            { "10", "ten", "ju - \u5341", "dix", "X" } };

    String columnNames[] = { "#", "English", "Japanese", "French", "Roman" };

    final JTable table = new JTable(rowData, columnNames);
    JScrollPane scrollPane = new JScrollPane(table);

    String modes[] = { "Resize All Columns", "Resize Last Column", "Resize Next Column", "Resize Off",
            "Resize Subsequent Columns" };
    final int modeKey[] = { JTable.AUTO_RESIZE_ALL_COLUMNS, JTable.AUTO_RESIZE_LAST_COLUMN,
            JTable.AUTO_RESIZE_NEXT_COLUMN, JTable.AUTO_RESIZE_OFF, JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS };
    JComboBox resizeModeComboBox = new JComboBox(modes);
    int defaultMode = 4;
    table.setAutoResizeMode(modeKey[defaultMode]);
    resizeModeComboBox.setSelectedIndex(defaultMode);
    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            JComboBox source = (JComboBox) e.getSource();
            int index = source.getSelectedIndex();
            table.setAutoResizeMode(modeKey[index]);
        }/*from   w  w w .  ja  v a2  s.  c o  m*/
    };
    resizeModeComboBox.addItemListener(itemListener);

    JFrame frame = new JFrame("Resizing Table");
    Container contentPane = frame.getContentPane();

    contentPane.add(resizeModeComboBox, BorderLayout.NORTH);
    contentPane.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:JRadioButtonItemListener.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Grouping Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel panel = new JPanel(new GridLayout(0, 1));

    ButtonGroup group = new ButtonGroup();
    JRadioButton aRadioButton = new JRadioButton("A");
    JRadioButton bRadioButton = new JRadioButton("B");

    ItemListener itemListener = new ItemListener() {
        String lastSelected;//from w  w w .  ja  va 2 s  .  c om

        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton aButton = (AbstractButton) itemEvent.getSource();
            int state = itemEvent.getStateChange();
            String label = aButton.getText();
            String msgStart;
            if (state == ItemEvent.SELECTED) {
                if (label.equals(lastSelected)) {
                    msgStart = "Reselected -> ";
                } else {
                    msgStart = "Selected -> ";
                }
                lastSelected = label;
            } else {
                msgStart = "Deselected -> ";
            }
            System.out.println(msgStart + label);
        }
    };

    panel.add(aRadioButton);
    group.add(aRadioButton);
    panel.add(bRadioButton);
    group.add(bRadioButton);

    aRadioButton.addItemListener(itemListener);
    bRadioButton.addItemListener(itemListener);

    frame.add(panel);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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From source file:ItemTest.java

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

    ItemListener listener = new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            System.out.println("Source: " + name(e.getSource()));
            System.out.println("Item: " + name(e.getItem()));
            int state = e.getStateChange();
            System.out.println("State: " + ((state == ItemEvent.SELECTED) ? "Selected" : "Deselected"));
        }//from   w w  w . j  a va2  s. c  o  m

        private String name(Object o) {
            if (o instanceof JComponent) {
                JComponent comp = (JComponent) o;
                return comp.getName();
            } else {
                return o.toString();
            }
        }
    };

    JPanel panel = new JPanel(new GridLayout(0, 1));
    ButtonGroup group = new ButtonGroup();
    JRadioButton option = new JRadioButton("French Fries", true);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    option = new JRadioButton("Onion Rings", false);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    option = new JRadioButton("Ice Cream", false);
    option.setName(option.getText());
    option.addItemListener(listener);
    group.add(option);
    panel.add(option);
    contentPane.add(panel, BorderLayout.NORTH);

    String flavors[] = { "Item 1", "Item 2", "Item 3" };
    JComboBox jc = new JComboBox(flavors);
    jc.setName("Combo");
    jc.addItemListener(listener);
    jc.setMaximumRowCount(4);
    contentPane.add(jc, BorderLayout.SOUTH);

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

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From source file:SelectingCheckBox.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox(DESELECTED_LABEL);
    // Define ActionListener
    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
            boolean selected = abstractButton.getModel().isSelected();
            String newLabel = (selected ? SELECTED_LABEL : DESELECTED_LABEL);
            abstractButton.setText(newLabel);
        }/*from   www  . j  a v  a2s  . co m*/
    };
    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
            ButtonModel buttonModel = abstractButton.getModel();
            boolean armed = buttonModel.isArmed();
            boolean pressed = buttonModel.isPressed();
            boolean selected = buttonModel.isSelected();
            System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
        }
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton abstractButton = (AbstractButton) itemEvent.getSource();
            Color foreground = abstractButton.getForeground();
            Color background = abstractButton.getBackground();
            int state = itemEvent.getStateChange();
            if (state == ItemEvent.SELECTED) {
                abstractButton.setForeground(background);
                abstractButton.setBackground(foreground);
            }
        }
    };

    checkBox.addActionListener(actionListener);
    checkBox.addChangeListener(changeListener);
    checkBox.addItemListener(itemListener);
    checkBox.setMnemonic(KeyEvent.VK_S);
    Container contentPane = frame.getContentPane();
    contentPane.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] a) {
    final String DESELECTED_LABEL = "Deselected";
    final String SELECTED_LABEL = "Selected";

    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox(DESELECTED_LABEL);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
            boolean selected = abstractButton.getModel().isSelected();
            String newLabel = (selected ? SELECTED_LABEL : DESELECTED_LABEL);
            abstractButton.setText(newLabel);
        }/*from  www .  ja  v  a  2s  .  c o  m*/
    };

    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
            ButtonModel buttonModel = abstractButton.getModel();
            boolean armed = buttonModel.isArmed();
            boolean pressed = buttonModel.isPressed();
            boolean selected = buttonModel.isSelected();
            System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
        }
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton abstractButton = (AbstractButton) itemEvent.getSource();
            Color foreground = abstractButton.getForeground();
            Color background = abstractButton.getBackground();
            int state = itemEvent.getStateChange();
            if (state == ItemEvent.SELECTED) {
                abstractButton.setForeground(background);
                abstractButton.setBackground(foreground);
            }
        }
    };

    checkBox.getModel().addActionListener(actionListener);
    checkBox.getModel().addChangeListener(changeListener);
    checkBox.getModel().addItemListener(itemListener);

    frame.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

---

From source file:MainClass.java

public static void main(String[] a) {
    final String DESELECTED_LABEL = "Deselected";
    final String SELECTED_LABEL = "Selected";

    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox(DESELECTED_LABEL);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
            boolean selected = abstractButton.getModel().isSelected();
            String newLabel = (selected ? SELECTED_LABEL : DESELECTED_LABEL);
            abstractButton.setText(newLabel);
        }/*from w w  w.  ja  v a2s. c o  m*/
    };

    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
            ButtonModel buttonModel = abstractButton.getModel();
            boolean armed = buttonModel.isArmed();
            boolean pressed = buttonModel.isPressed();
            boolean selected = buttonModel.isSelected();
            System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
        }
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton abstractButton = (AbstractButton) itemEvent.getSource();
            Color foreground = abstractButton.getForeground();
            Color background = abstractButton.getBackground();
            int state = itemEvent.getStateChange();
            if (state == ItemEvent.SELECTED) {
                abstractButton.setForeground(background);
                abstractButton.setBackground(foreground);
            }
        }
    };

    checkBox.addActionListener(actionListener);
    checkBox.addChangeListener(changeListener);
    checkBox.addItemListener(itemListener);
    checkBox.setMnemonic(KeyEvent.VK_S);
    frame.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] a) {
    final String DESELECTED_LABEL = "Deselected";
    final String SELECTED_LABEL = "Selected";

    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox(DESELECTED_LABEL);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton abstractButton = (AbstractButton) actionEvent.getSource();
            boolean selected = abstractButton.getModel().isSelected();
            String newLabel = (selected ? SELECTED_LABEL : DESELECTED_LABEL);
            abstractButton.setText(newLabel);
        }/*  ww  w.  j ava  2 s.c om*/
    };

    ChangeListener changeListener = new ChangeListener() {
        public void stateChanged(ChangeEvent changeEvent) {
            AbstractButton abstractButton = (AbstractButton) changeEvent.getSource();
            ButtonModel buttonModel = abstractButton.getModel();
            boolean armed = buttonModel.isArmed();
            boolean pressed = buttonModel.isPressed();
            boolean selected = buttonModel.isSelected();
            System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
        }
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton abstractButton = (AbstractButton) itemEvent.getSource();
            Color foreground = abstractButton.getForeground();
            Color background = abstractButton.getBackground();
            int state = itemEvent.getStateChange();
            if (state == ItemEvent.SELECTED) {
                abstractButton.setForeground(background);
                abstractButton.setBackground(foreground);
            }
        }
    };

    checkBox.getModel().addActionListener(actionListener);
    checkBox.getModel().addChangeListener(changeListener);
    checkBox.getModel().addItemListener(itemListener);

    checkBox.getModel().removeActionListener(actionListener);
    checkBox.getModel().removeChangeListener(changeListener);
    checkBox.getModel().removeItemListener(itemListener);

    frame.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
}

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From source file:RadioButtonSample.java

public static void main(String args[]) {

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            AbstractButton aButton = (AbstractButton) actionEvent.getSource();
            boolean selected = aButton.getModel().isSelected();
            System.out.println(actionEvent.getActionCommand() + " - selected? " + selected);
        }// w  ww.j a  v a2  s .co m
    };

    ItemListener itemListener = new ItemListener() {
        public void itemStateChanged(ItemEvent itemEvent) {
            AbstractButton aButton = (AbstractButton) itemEvent.getSource();
            int state = itemEvent.getStateChange();
            String selected = ((state == ItemEvent.SELECTED) ? "selected" : "not selected");
            System.out.println(aButton.getText() + " - selected? " + selected);
        }
    };

    JFrame frame = new JFrame("Radio Menu Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar menuBar = new JMenuBar();
    JMenu menu = new JMenu("Menu");
    ButtonGroup buttonGroup = new ButtonGroup();
    menu.setMnemonic(KeyEvent.VK_M);

    JRadioButtonMenuItem emptyMenuItem = new JRadioButtonMenuItem();
    emptyMenuItem.setActionCommand("Empty");
    emptyMenuItem.addActionListener(actionListener);
    buttonGroup.add(emptyMenuItem);
    menu.add(emptyMenuItem);

    JRadioButtonMenuItem oneMenuItem = new JRadioButtonMenuItem("Partridge");
    oneMenuItem.addActionListener(actionListener);
    buttonGroup.add(oneMenuItem);
    menu.add(oneMenuItem);

    JRadioButtonMenuItem twoMenuItem = new JRadioButtonMenuItem("Turtle Doves", true);
    twoMenuItem.addActionListener(actionListener);
    buttonGroup.add(twoMenuItem);
    menu.add(twoMenuItem);

    JRadioButtonMenuItem threeMenuItem = new JRadioButtonMenuItem("French Hens", threeIcon);
    threeMenuItem.addItemListener(itemListener);
    buttonGroup.add(threeMenuItem);
    menu.add(threeMenuItem);

    JRadioButtonMenuItem fourMenuItem = new JRadioButtonMenuItem("Calling Birds", fourIcon, true);
    fourMenuItem.addActionListener(actionListener);
    buttonGroup.add(fourMenuItem);
    menu.add(fourMenuItem);

    JRadioButtonMenuItem fiveMenuItem = new JRadioButtonMenuItem(fiveIcon);
    fiveMenuItem.addActionListener(actionListener);
    fiveMenuItem.setActionCommand("Rings");
    buttonGroup.add(fiveMenuItem);
    menu.add(fiveMenuItem);

    JRadioButtonMenuItem sixMenuItem = new JRadioButtonMenuItem(sixIcon, true);
    sixMenuItem.addActionListener(actionListener);
    sixMenuItem.setActionCommand("Geese");
    buttonGroup.add(sixMenuItem);
    menu.add(sixMenuItem);

    menuBar.add(menu);
    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

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