Hallo zusammen,
bin ganz neu in der Java GUI Programmierung.
Erst einmal mein Code:
Ich möchte die Elemente auf dem managePanel zentrieren (also die Buttons). Wie mache ich das? :bahnhof:
bin ganz neu in der Java GUI Programmierung.
Erst einmal mein Code:
Java:
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.border.TitledBorder;
public class GUIOverview extends JFrame {
private static final long serialVersionUID = 1L;
public static void main( String[] args ) {
new GUIOverview();
}
private JTable table;
private JPanel listPanel;
private JPanel headPanel;
private JPanel searchPanel;
private JPanel managePanel;
private JPanel mainPanel;
private JButton neu;
private JButton change;
private JButton delete;
private JTextField search;
private BoxLayout bl;
private String[][] rowData = {{"Kunde1"}, {"Kunde2"}};
private String[] columnNames = {"Kunde"};
public GUIOverview() {
super("...");
initGUI();
}
public void initGUI() {
bl = new BoxLayout(getContentPane(), BoxLayout.PAGE_AXIS);
setDefaultCloseOperation( EXIT_ON_CLOSE );
getContentPane().setLayout(bl);
JLabel title = new JLabel("<html><h2>Kundenübersicht</h2></html>");
title.setHorizontalAlignment(JLabel.CENTER);
JLabel manage = new JLabel("Kunden verwalten:");
//manage.setPreferredSize(new Dimension(50,5));
search = new JTextField();
search.setPreferredSize(new Dimension(-1,25));
neu = new JButton("Neu");
neu.setPreferredSize(new Dimension(30,25));
change = new JButton("Ändern");
change.setPreferredSize(new Dimension(30,25));
delete = new JButton("Löschen");
delete.setPreferredSize(new Dimension(30,25));
mainPanel = new JPanel(new BoxLayout(getContentPane(), BoxLayout.PAGE_AXIS));
searchPanel = new JPanel(new GridLayout(0, 4, 30, 30));
managePanel = new JPanel(new GridLayout(0, 4, 30, 30));
headPanel = new JPanel(new BorderLayout());
listPanel = new JPanel();
TitledBorder bordertitle = BorderFactory.createTitledBorder("Kunden verwalten");
managePanel.setBorder(bordertitle);
TitledBorder bordertitle1 = BorderFactory.createTitledBorder("Suchen");
searchPanel.setBorder(bordertitle1);
searchPanel.setBorder(bordertitle1);
table = new JTable( rowData, columnNames );
headPanel.add(title);
//managePanel.add(manage);
managePanel.add(neu);
managePanel.add(change);
managePanel.add(delete);
JLabel lab = new JLabel("Kunden suchen:");
searchPanel.add(lab);
searchPanel.add(search);
listPanel.add(new JScrollPane(table));
getContentPane().add(headPanel);
getContentPane().add(new JPanel());
getContentPane().add(new JPanel());
getContentPane().add(managePanel);
getContentPane().add(new JPanel());
getContentPane().add(new JPanel());
getContentPane().add(searchPanel);
getContentPane().add(new JPanel());
getContentPane().add(new JPanel());
getContentPane().add(listPanel);
getContentPane().add(new JPanel());
getContentPane().add(new JPanel());
pack();
setVisible( true );
}
}Ich möchte die Elemente auf dem managePanel zentrieren (also die Buttons). Wie mache ich das? :bahnhof:
