How to Add TextArea to a JList In Java Netbeans

In this Java Tutorial we will see How To Create a JList With JTextArea 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.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.Font;

import java.awt.Insets;

import java.util.ArrayList;

import java.util.List;

import javax.swing.BoxLayout;

import javax.swing.JFrame;

import javax.swing.JList;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.ListCellRenderer;

/**

* @author 1BestCsharp

public class TextAreaInJListFrame extends JFrame{

private JList<TextAreaListElement> textAreaList;

public TextAreaInJListFrame(){

setTitle("TextArea In JList");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setLayout(new BorderLayout());

List<TextAreaListElement> elements = new ArrayList<>();

elements.add(new TextAreaListElement("Item 1", "Description for Item Line Description for Item 1 Line 2 Description for Item 1 Line 3"));

elements.add(new TextAreaListElement("Item 2", "Description Description DescriptionDescription DescriptionDescription Description Description Description Description for Item 2"));

elements.add(new TextAreaListElement("Item 3", "Description for Item 3"));

elements.add(new TextAreaListElement("Item 11", "Description for Item Line Description for Item 1 Line 2 Description for Item 1 Line 3"));

elements.add(new TextAreaListElement("Item 22", "Description Description DescriptionDescription DescriptionDescription Description Description Description Description for Item 2"));

elements.add(new TextAreaListElement("Item 33", "Description for Item 3"));

elements.add(new TextAreaListElement("Item 41", "Description for Item Line Description for Item 1 Line 2 Description for Item 1 Line 3"));

elements.add(new TextAreaListElement("Item 52", "Description Description DescriptionDescription DescriptionDescription Description Description Description Description for Item 2"));

elements.add(new TextAreaListElement("Item 63", "Description for Item 3"));

elements.add(new TextAreaListElement("Item 71", "Description for Item Line Description for Item 1 Line 2 Description for Item 1 Line 3"));

elements.add(new TextAreaListElement("Item 82", "Description Description DescriptionDescription DescriptionDescription Description Description Description Description for Item 2"));

elements.add(new TextAreaListElement("Item 93", "Description for Item 3"));

elements.add(new TextAreaListElement("Item 211", "Description for Item Line Description for Item 1 Line 2 Description for Item 1 Line 3"));

elements.add(new TextAreaListElement("Item 992", "Description Description DescriptionDescription DescriptionDescription Description Description Description Description for Item 2"));

elements.add(new TextAreaListElement("Item 543", "Description for Item 3"));

textAreaList = new JList<>(elements.toArray(TextAreaListElement[] :: new));

textAreaList.setCellRenderer(new TextAreListRenderer());

JScrollPane scrollPane = new JScrollPane(textAreaList);

add(scrollPane, BorderLayout.CENTER);

setSize(400,300);

setLocationRelativeTo(null);

}

public static class TextAreaListElement{

private final String label;

private final String description;

public TextAreaListElement(String label, String description){

this.label = label;

this.description = description;

}

public String getLabel(){

return label;

}

public String getDescription(){

return description;

}

// create a renderer to display the textArea

private class TextAreListRenderer extends JTextArea implements ListCellRenderer<TextAreaListElement>{

public TextAreListRenderer(){

setLineWrap(true);

setWrapStyleWord(true);

setMargin(new Insets(5, 10, 5, 10));

setFont(new Font("Arial", Font.PLAIN, 16));

setPreferredSize(new Dimension(300,80));

}

@Override

public Component getListCellRendererComponent(JList<? extends TextAreaListElement> list, TextAreaListElement value, int index, boolean isSelected, boolean cellHasFocus) {

setEnabled(list.isEnabled());

setText(value.getLabel()+ "\n" + value.getDescription());

if(isSelected){

setBackground(Color.BLACK);

setForeground(Color.YELLOW);

}

else{

setBackground(list.getBackground());

setForeground(list.getForeground());

}

return this;

}