📁 Java Tutorial 119 - Code Viewer

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class BorderLayoutPanel { public static JFrame frame; public static JPanel panelMerkez; public BorderLayoutPanel() { frame = new JFrame("BorderLayout JPanel | Java Blackboard [119]"); BorderLayout borderLayout = new BorderLayout(); borderLayout.setHgap(15); borderLayout.setVgap(15); frame.setLayout(borderLayout); JPanel panelKuzey = new JPanel(); panelKuzey.setPreferredSize(new Dimension(100, 100)); panelKuzey.setBackground(new Color(75, 191, 115)); panelKuzey.add(baslikPaneli()); JPanel panelGuney = new JPanel(); panelGuney.setPreferredSize(new Dimension(50, 50)); panelGuney.setBackground(new Color(175, 191, 115)); JPanel panelDogu = new JPanel(); panelDogu.setPreferredSize(new Dimension(250, 0)); panelDogu.setBackground(new Color(217, 94, 50)); JPanel panelBati = new JPanel(); panelBati.setPreferredSize(new Dimension(190, 10)); panelBati.setBackground(new Color(245, 222, 131)); panelBati.add(butonPaneli()); panelMerkez = new JPanel(); panelMerkez.setBackground(new Color(242, 184, 75)); frame.add(panelKuzey, BorderLayout.NORTH); frame.add(panelGuney, BorderLayout.SOUTH); frame.add(panelDogu, BorderLayout.EAST); frame.add(panelBati, BorderLayout.WEST); frame.add(panelMerkez, BorderLayout.CENTER); frame.setSize(1024, 768); frame.setLocationRelativeTo(null); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setResizable(true); frame.setVisible(true); } public static JPanel baslikPaneli() { int genislik = 700; JPanel panel = new JPanel(); panel.setLayout(new FlowLayout()); panel.setPreferredSize(new Dimension(genislik, 100)); // Panelin arka plan rengini saydam yapalim. panel.setOpaque(false); JLabel label = new JLabel(); label.setFont(new Font("Helvetica", Font.BOLD, 50)); label.setPreferredSize(new Dimension(genislik, 100)); label.setText("Java Blackboard [119]"); // Yatay ve dikey hizalamayı ayarla label.setHorizontalAlignment(JLabel.CENTER); label.setVerticalAlignment(JLabel.CENTER); panel.add(label); return panel; } public static JPanel butonPaneli() { JPanel panel = new JPanel(); panel.setLayout(new FlowLayout()); panel.setPreferredSize(new Dimension(190, 500)); panel.setOpaque(false); // Zemin rengini transparan yap. JButton butonMerkezMavi = new JButton("Merkez Mavi"); butonMerkezMavi.setSize(100, 25); JButton butonMerkezYesil = new JButton("Merkez Yesil"); butonMerkezMavi.setSize(100, 25); JButton butonMerkezAcilis = new JButton("Merkez Açılış"); butonMerkezAcilis.setSize(100, 25); panel.add(butonMerkezMavi); panel.add(butonMerkezYesil); panel.add(butonMerkezAcilis); butonMerkezMavi.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // JFrame'in arka plan rengini degistirmek istersek. Color bordoRGB = new Color(115, 23, 2); // frame.getContentPane().setBackground(bordoRGB); // Merkez bölgesinin arka plan rengini mavi yap Color maviRGB = new Color(48, 155, 222); panelMerkez.setBackground(maviRGB); } }); butonMerkezYesil.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // JFrame'in arka plan rengini degistirmek istersek. Color sariRGB = new Color(242, 190, 92); // frame.getContentPane().setBackground(sariRGB); // Merkez bölgesinin arka plan rengini yesil yap Color yesilRGB = new Color(48, 140, 88); panelMerkez.setBackground(yesilRGB); } }); butonMerkezAcilis.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // JFrame'in arka plan rengini degistirmek istersek. Color sariRGB = new Color(92, 92, 92); // frame.getContentPane().setBackground(sariRGB); // Merkez bölgesinin arka plan rengini yesil yap Color yesilRGB = new Color(242, 184, 75); panelMerkez.setBackground(yesilRGB); } }); return panel; } public static void main(String[] args) { new BorderLayoutPanel(); } }