📁 Java Tutorial 052 - Code Viewer

import java.awt.*; import java.awt.event.*; import java.util.Random; import javax.swing.*; public class BorderLayoutPastelRenkler extends JFrame implements ActionListener { char a = '\u2550'; // ═ char b = '\u2551'; // ║ char c = '\u2554'; // ╔ char d = '\u2557'; // ╗ char e = '\u255A'; // ╚ char f = '\u255D'; // ╝ String[] liste = {"Boş...", "Grid 3X5", "Grid 5X9", "3 harf", "5 harf"}; JComboBox comboListe = new JComboBox(liste); JLabel label = new JLabel("Boş..."); JPanel panel = new JPanel(); public BorderLayoutPastelRenkler() { System.out.println(a); System.out.println(b); System.out.println(c); System.out.println(d); System.out.println(e); System.out.println(f); setLayout(new BorderLayout()); comboListe.setSelectedIndex(0); comboListe.addActionListener(this); label.setVerticalAlignment(JLabel.CENTER); label.setHorizontalAlignment(JLabel.CENTER); label.setFont(new Font("Verdana", Font.BOLD, 59)); label.setPreferredSize(new Dimension(150, 150)); add(comboListe, BorderLayout.NORTH); add(label, BorderLayout.SOUTH); add(panel, BorderLayout.CENTER); setSize(1024, 768); setTitle("Pastel renkler ve paneller. 052"); setLocationRelativeTo(null); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setVisible(true); } public void actionPerformed(ActionEvent e) { if(e.getSource() == comboListe) { JComboBox cb = (JComboBox) e.getSource(); String madde = (String) cb.getSelectedItem(); switch (madde) { case "Grid 3X5" : label.setText("GridLayout 3 x 5 seçildi..."); panel.removeAll(); panel.setLayout(new GridLayout(3,5)); for(int i=1; i<16 ; i++) { panel.add(paselRenkliPanel(i)); } add(panel); revalidate(); break; case "Grid 5X9" : label.setText("GridLayout 5 x 9 seçildi..."); panel.removeAll(); panel.setLayout(new GridLayout(5,9)); for(int i=1; i<46 ; i++) { panel.add(paselRenkliPanel(i)); } add(panel); revalidate(); break; case "3 harf" : label.setText("3 harf seçildi..."); panel.removeAll(); panel.setLayout(new GridLayout(1,1)); panel.add(paselRenkliPanel(1)); add(panel); revalidate(); break; case "5 harf" : label.setText("5 harf seçildi..."); panel.removeAll(); panel.setLayout(new GridLayout(1,1)); panel.add(paselRenkliPanel(1)); add(panel); revalidate(); break; default : label.setText("Olmayan bi'madde seçildi..."); } } } public static JPanel paselRenkliPanel(int sayi) { Random r = new Random(); Color[] renkler = new Color[20]; renkler[0] = new Color(242, 182, 128); renkler[1] = new Color(217, 206, 197); renkler[2] = new Color(255, 212, 218); renkler[3] = new Color(236, 255, 195); renkler[4] = new Color(164, 242, 255); renkler[5] = new Color(206, 232, 205); renkler[6] = new Color(180, 200, 230); renkler[7] = new Color(240, 219, 178); renkler[8] = new Color(169, 217, 217); renkler[9] = new Color(248, 200, 255); renkler[10] = new Color(170, 179, 191); renkler[11] = new Color(242, 212, 194); renkler[12] = new Color(191, 189, 186); renkler[13] = new Color(186, 242, 160); renkler[14] = new Color(242, 206, 230); renkler[15] = new Color(226, 200, 227); renkler[16] = new Color(232, 255, 230); renkler[17] = new Color(232, 225, 255); renkler[18] = new Color(207, 180, 221); renkler[19] = new Color(0, 59, 6); // yesil, label rengi olarak kullandik. JPanel panel = new JPanel(); panel.setLayout(new GridLayout()); panel.setBackground(renkler[r.nextInt(19)]); // 18 e kadar olan renkler[] kullanilir JLabel label = new JLabel(); label.setText(""+sayi); label.setForeground(renkler[19]); // yesil renk label.setVerticalAlignment(JLabel.CENTER); label.setHorizontalAlignment(JLabel.CENTER); label.setFont(new Font("Verdana", Font.BOLD, 72)); label.setPreferredSize(new Dimension(150, 150)); // label.setBounds(10,10,100,50); panel.add(label); return panel; } }