Java-2 2016 Hafta-7 Örnek-1
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 |
import java.awt.*; import java.awt.event.*; import javax.swing.*; public class jlistornek implements ActionListener { JList jlist; DefaultListModel dlm; JTextField jtf; JLabel jlab_say; public jlistornek() { JFrame jfrm = new JFrame("List Ornegi"); jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jfrm.setSize(150,300); jfrm.setLayout(new FlowLayout()); JPanel jpn1 = new JPanel(); jpn1.setPreferredSize(new Dimension(130,200)); JPanel jpn2 = new JPanel(); jpn2.setLayout(new GridLayout(3,1)); jpn2.setPreferredSize(new Dimension(130,100)); JPanel jpn2_1 = new JPanel(); JPanel jpn2_2 = new JPanel(); JPanel jpn2_3 = new JPanel(); jpn2.add(jpn2_1); jpn2.add(jpn2_2); jpn2.add(jpn2_3); jfrm.add(jpn1); jfrm.add(jpn2); dlm = new DefaultListModel(); jlist = new JList(dlm); JScrollPane jsp = new JScrollPane(jlist); jsp.setPreferredSize(new Dimension(130,190)); jpn1.add(jsp); jtf = new JTextField(10); jpn2_1.add(jtf); JButton jbtn_ekle = new JButton("Ekle"); jbtn_ekle.addActionListener(this); jbtn_ekle.setActionCommand("ekle"); JButton jbtn_sil = new JButton("Sil"); jbtn_sil.addActionListener(this); jpn2_2.add(jbtn_ekle); jpn2_2.add(jbtn_sil); jlab_say = new JLabel("Eleman sayisi: 0"); jpn2_3.add(jlab_say); //jfrm.pack(); jfrm.setVisible(true); } @Override public void actionPerformed(ActionEvent ae) { if(ae.getActionCommand().equals("ekle")) { // ekle if(jtf.getText().length()>0) { dlm.addElement(jtf.getText()); jtf.setText(""); } } else { int secilen=jlist.getSelectedIndex(); if(secilen>-1) dlm.remove(secilen); } say(); } private void say() { int say=dlm.getSize(); jlab_say.setText("Eleman sayisi: "+say); } /** * @param args */ public static void main(String[] args) { new jlistornek(); } } |
paylaşımlarınızı çok takip ediyorum çok teşekkürler.