JavaFX | TabPane Class

TabPane class is a part of JavaFX. TabPane allows switching between several tabs. TabPane acts as a container of tabs. The positions of the tabs can be specified using the setSide() function. when the tabs do not fit in the TabPane, a menu button appears at the upper right corner of TabPane which displays all the tabs of the Tabpane.

Constructors of the class:

1. TabPane(): Creates a new TabPane with no tabs.
2. TabPane(Tab… t): Creates a new TabPane with specified tabs.

Commonly Used Methods:

Below programs illustrate the use of TabPane class:

1. Java program to create multiple tabs and add it to the TabPane: In this program we will create a Tabpane named tabpane. To add multiple tabs we will use a for loop and then add tabs to the tabpane. Create a Tab named tab. We will also create a Label named label. We will add the label to the tab by using the function setContent(). The title of the tab will be passed as arguments. Now create a TabPane named tabpane and add the tab to the tabpane. After that add the tabpane to the scene and add the scene to the stage and display the stage using the show() function.

   
   

   
   
   

   // Java program to create multiple tabs  // and add it to the TabPane import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.layout.*; import javafx.stage.Stage; import javafx.scene.Group; import javafx.scene.control.*;    public class TabPane_1 extends Application {        // launch the application     public void start(Stage stage)     {            // set title for the stage         stage.setTitle("Creating Tab");            // create a tabpane         TabPane tabpane = new TabPane();            // create multiple tabs         for (int i = 0; i < 10; i++) {                // create Tab             Tab tab = new Tab("Tab_" + (int)(i + 1));                // create a label             Label label = new Label("This is Tab: " + (int)(i + 1));                // add label to the tab             tab.setContent(label);                // add tab             tabpane.getTabs().add(tab);         }            // create a scene         Scene scene = new Scene(tabpane, 600, 500);            // set the scene         stage.setScene(scene);            stage.show();     }        // Main Method     public static void main(String args[])     {            // launch the application         launch(args);     } }

   Output:
2. Java program to create multiple tabs and add it to the TabPane and also create a tab which on selected will create new tabs: In this program we will create a Tabpane named tabpane. We will add multiple tabs to the tabpane. To add multiple tabs we will use a for loop. We will create a Tab named tab. Now create a Label named label. We will add a label to the tab by using the function setContent(). We will also create a tab named newtab. When it is selected then it will create a new tab. Add event handler to the tab by using setOnSelectionChanged() function. The event handler will create a new tab and add it before the new tab in tabpane using getTabs().add() function and select the last tab using the getSelectionModel().select() function. The title of the tab will be passed as arguments. We will create a TabPane named tabpane and add the tab to the tabpane and add the tabpane to the scene and scene to the stage. Display the stage using the show() function.

   
   

   
   
   

   // Java program to create multiple tabs and // add it to the tabPane and also create a  // tab which on selected will create new tabs import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.layout.*; import javafx.stage.Stage; import javafx.scene.Group; import javafx.scene.control.*; import javafx.event.Event; import javafx.event.EventHandler;    public class TabPane_2 extends Application {    // counter of tabs int counter = 0;    // launch the application public void start(Stage stage) {        // set title for the stage     stage.setTitle("Creating Tab");        // create a tabpane     TabPane tabpane = new TabPane();        for (int i = 0; i < 5; i++) {            // create Tab         Tab tab = new Tab("Tab_" + (int)(counter + 1));            // create a label         Label label = new Label("This is Tab: "                          + (int)(counter + 1));            counter++;            // add label to the tab         tab.setContent(label);            // add tab         tabpane.getTabs().add(tab);     }        // create a tab which     // when pressed creates a new tab     Tab newtab = new Tab();        // action event     EventHandler<Event> event =      new EventHandler<Event>() {            public void handle(Event e)         {             if (newtab.isSelected())              {                    // create Tab                 Tab tab = new Tab("Tab_" + (int)(counter + 1));                    // create a label                 Label label = new Label("This is Tab: "                                   + (int)(counter + 1));                    counter++;                    // add label to the tab                 tab.setContent(label);                    // add tab                 tabpane.getTabs().add(                         tabpane.getTabs().size() - 1, tab);                    // select the last tab                 tabpane.getSelectionModel().select(                         tabpane.getTabs().size() - 2);             }         }     };        // set event handler to the tab     newtab.setOnSelectionChanged(event);        // add newtab     tabpane.getTabs().add(newtab);        // create a scene     Scene scene = new Scene(tabpane, 600, 500);        // set the scene     stage.setScene(scene);        stage.show(); }    // Main Method public static void main(String args[]) {        // launch the application     launch(args); } }

   Output:

Note: The above programs might not run in an online IDE. Please use an offline compiler.

Reference: https://docs.oracle.com/javase/8/javafx/api/javafx/scene/control/TabPane.html