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How can we insert multiple tabs into a single JTabbedPane in Java?
JTabbedPane
- A JTabbedPane is a component can extend JComponent class and we can able to see one tab at a time.
- Each tab is associated with a single component that can be displayed when the tab is selected.
- A JTabbedPane can generate a ChangeListener interface when a tab is selected.
- It is also possible to insert multiple tabs into a single JTabbedPane and the important methods of JTabbedPane are addTab(), fireStateChanged(), getTabPlacement(), setSelectedIndex(), getTabCount() and etc.
Example
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class NestedJTabbedPaneTest extends JFrame {
public NestedJTabbedPaneTest() {
setTitle("Nested JTabbedPane test");
setLayout(new BorderLayout());
JTabbedPane tabbedPane = new JTabbedPane();
add(BorderLayout.CENTER, tabbedPane);
createNestedTab(tabbedPane, 1);
setSize(375, 250);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLoc*ationRelativeTo(null);
setVisible(true);
}
protected void createNestedTab(JTabbedPane jtp, int count) {
if (count > 5) return;
JTabbedPane tp = new JTabbedPane();
tp.setTabPlacement(getNextOrientation(jtp.getTabPlacement()));
jtp.addTab("Tab #" + count, tp);
createNestedTab(tp, count+1);
}
private int getNextOrientation(int tabPlacement) {
if (tabPlacement == JTabbedPane.TOP) return JTabbedPane.RIGHT;
if (tabPlacement == JTabbedPane.RIGHT) return JTabbedPane.BOTTOM;
if (tabPlacement == JTabbedPane.BOTTOM) return JTabbedPane.LEFT;
else return JTabbedPane.TOP;
}
public static void main(String []args) {
new NestedJTabbedPaneTest();
}
}Output
Updated on: 11-Feb-2020
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