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  1. #1
    adeeb is offline Member
    Join Date
    May 2008
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    Default Regarding Text Field

    I have added two text fields and a button on a panel which is set with cardlayout now i want to store characters in two different strings.
    And when i enter the text in the fields and click the button i should move to second card.
    Only i need is getting the data from the text fields and comparing it.
    The rest i can handle.
    So please some one help

  2. #2
    hardwired's Avatar
    hardwired is offline Senior Member
    Join Date
    Jul 2007
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    For more on these kind of things see Trail: Creating a GUI with JFC/Swing.
    Java Code:
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    public class GettingText implements ActionListener {
        JTextField hi = new JTextField(12);
        JTextField lo = new JTextField(12);
        JPanel panel;
        public void actionPerformed(ActionEvent e) {
            String hiText = hi.getText();
            String loText = lo.getText();
            boolean equal = hiText.equals(loText);
            int compare = hiText.compareTo(loText); // see String api
            System.out.printf("hiText = %s  loText = %s  " +
                              "equal = %b  compare = %d%n",
                               hiText, loText, equal, compare);
            CardLayout cards = (CardLayout)panel.getLayout();
            // or
    //, "blue");
        private JPanel getContent() {
            CardLayout cards = new CardLayout();
            panel = new JPanel(cards);
            panel.add("data", getComponentPanel());
            panel.add("blue", getBluePanel());
            return panel;
        private JPanel getComponentPanel() {
            JButton button = new JButton("jump");
            // Optionally, you can also add the ActionListener
            // to the two textFields which will generate an
            // ActionEvent when you press the enter/return key.
            JPanel panel = new JPanel(new GridBagLayout());
            GridBagConstraints gbc = new GridBagConstraints();
            gbc.insets = new Insets(5,0,5,0);
            gbc.weighty = 1.0;
            gbc.gridwidth = GridBagConstraints.REMAINDER;
            panel.add(hi, gbc);
            panel.add(lo, gbc);
            panel.add(button, gbc);
            return panel;
        private JPanel getBluePanel() {
            JPanel panel = new JPanel();
            return panel;
        public static void main(String[] args) {
            JFrame f = new JFrame();
            f.add(new GettingText().getContent());

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