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PODisplay cards of CardLayout in random order?
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2013-03-07T22:59:41.163
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2013-03-09T07:27:14.450
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2013-03-08T00:12:51.560
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Body
I want to have a random order for displaying the cards or screens in my CardLayout. I need guidance on how to accomplish this. What is strategy I should use? I tried using the code below, but it is in a fixed order. I want to be able to choose whichever order I like. EDIT ! Sorry, by random order I did not mean shuffling. But, it is good to know. I want the user of the program to be able to enter some input. Depending on the value of the input, a particular screen/card is displayed. <pre><code>import java.awt.*; import javax.swing.*; import java.awt.event.*; public class CardLayoutExample extends JFrame { private int currentCard = 1; private JPanel cardPanel; private CardLayout cl; public CardLayoutExample() { setTitle("Card Layout Example"); setSize(300, 150); cardPanel = new JPanel(); cl = new CardLayout(); cardPanel.setLayout(cl); JPanel p1 = new JPanel(); JPanel p2 = new JPanel(); JPanel p3 = new JPanel(); JPanel p4 = new JPanel(); JLabel lab1 = new JLabel("Card1"); JLabel lab2 = new JLabel("Card2"); JLabel lab3 = new JLabel("Card3"); JLabel lab4 = new JLabel("Card4"); p1.add(lab1); p2.add(lab2); p3.add(lab3); p4.add(lab4); cardPanel.add(p1, "1"); cardPanel.add(p2, "2"); cardPanel.add(p3, "3"); cardPanel.add(p4, "4"); JPanel buttonPanel = new JPanel(); JButton b1 = new JButton("Previous"); JButton b2 = new JButton("Next"); buttonPanel.add(b1); buttonPanel.add(b2); b1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { if (currentCard > 1) { currentCard -= 1; cl.show(cardPanel, "" + (currentCard)); } } }); b2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { if (currentCard < 4) { currentCard += 1; cl.show(cardPanel, "" + (currentCard)); } } }); getContentPane().add(cardPanel, BorderLayout.NORTH); getContentPane().add(buttonPanel, BorderLayout.SOUTH); } public static void main(String[] args) { CardLayoutExample cl = new CardLayoutExample(); cl.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); cl.setVisible(true); } } </code></pre>
Tags
<java><swing><user-interface><layout-manager><cardlayout>
Title
Display cards of CardLayout in random order?
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