How to Add Images to a Combobox In Java Netbeans
In this Java Tutorial we will see How To Create a JCombobox With Images Inside It In Java Using Netbeans.
What We Are Gonna Use In This Project:
- Java Programming Language.- NetBeans Editor.
Project Source Code:
package new_tutorials;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.util.ArrayList;
import java.util.List;
import javax.swing.DefaultListCellRenderer;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
/**
*
* @author 1BestCsharp
*/
public class ComboboxWithImagesFrame {
// Custom renderer for displaying images in the combo box
static class ImageComboboxRenderer extends DefaultListCellRenderer{
@Override
public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean hasFocus){
JLabel label = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, hasFocus);
if(value instanceof ImageItem item){
label.setText(item.getText());
label.setIcon(item.getImageIcon());
}
return label;
}
}
// Method to load images
private static ImageIcon loadImage(String imageName){
// Load image from the "images" package
String imagePath = "images/" + imageName;
return new ImageIcon(ComboboxWithImagesFrame.class.getResource(imagePath));
}
public static void main(String[] args) {
JFrame frame = new JFrame("Combobox With Images");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,250);
frame.setLocationRelativeTo(null);
JPanel panel = new JPanel();
panel.setLayout(new FlowLayout(FlowLayout.CENTER));
List<ImageItem> items = new ArrayList<>();
items.add(new ImageItem("analyst", loadImage("analyst.png")));
items.add(new ImageItem("designer", loadImage("designer.png")));
items.add(new ImageItem("developer", loadImage("developer.png")));
items.add(new ImageItem("manager", loadImage("manager.png")));
JComboBox<ImageItem> comboBox = new JComboBox<>(items.toArray(ImageItem[] :: new));
comboBox.setRenderer(new ImageComboboxRenderer());
comboBox.setBackground(Color.WHITE);
comboBox.setPreferredSize(new Dimension(150, 50));
panel.add(comboBox);
frame.add(panel);
frame.setVisible(true);
}
}
// Define a simple data class to represent items in the combo box
class ImageItem{
private final String text;
private final ImageIcon imageIcon;
// Constructor
public ImageItem(String text, ImageIcon icon){
this.text = text;
this.imageIcon = icon;
}
// Getters
public String getText(){ return text; }
public ImageIcon getImageIcon(){ return imageIcon; }
}
The Final Result:
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