Useful tips

How do I get a tab from JTabbedPane?

How do I get a tab from JTabbedPane?

Basically all you have to do for it is to:

  1. Create a new JFrame .
  2. Call frame. getContentPane().
  3. Use JTabbedPane(JTabbedPane. TOP) to get a JTabbedPane .
  4. Use tabbedPane. getSelectedIndex() to get the index of the selected tab.
  5. Use tabbedPane. setSelectedIndex() to set the index of the selected tab.

How do I hide tabs in JTabbedPane?

To enable or disable tabs in JTabbedPane you can use the JTabbedPane ‘s setEnableAt(int index, boolean enable) method. The index is zero based, this means that the first tab is at index number 0 . The enable parameter when set to true will enable the tab while setting to false will disable the tab.

How do you code a GUI in Java?

Create a JFrame container

  1. In the Projects window, right-click the NumberAddition node and choose New > Other .
  2. In the New File dialog box, choose the Swing GUI Forms category and the JFrame Form file type. Click Next.
  3. Enter NumberAdditionUI as the class name.
  4. Enter my. numberaddition as the package.
  5. Click Finish.

Is there any way to change size of tab in jtabbedpane?

Is there any way to change size of tab in JTabbedPane? I mean not all panel but only the small tab that user has to click to see what is under it. You can either create your own TabbedPaneUI, but it might be simpler if you just use the JTabbedPane#setTabComponentAt and use a larger component for rendering the tab title this is worked for me.

How is tababout toclose function in jtabbedpane?

In the first implementation, you can see that the tabAboutToClose (tabIndex) function of ClosableTabbedPane is overridden to control the event of tab closing. The returned true/false value indicates whether the tab should be closed or not.

Which is an example of customization of a tabbed pane?

In both cases, it can bring you a lot of headache, and for a while deviate you from your main goal of development. An example of such a problem is the customization of the tabbed pane ( JTabbedPane) to give it the functionality of open tabs’ closing.

Is there a button to close a tab?

You can solve this problem by adding a button to the tab content, which often appears to be confronting the content, and not good looking at all, or extending the tabbed pane to have the close button embedded in the title bar of each tab. For the second choice, a comparably simple solution can be the usage of a component for tab title rendering.