package tabpanesorttabs;

import com.sun.javafx.runtime.VersionInfo;
import java.util.Comparator;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Tab;
import javafx.scene.control.TabBuilder;
import javafx.scene.control.TabPane;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

public class TabPaneSortTabs extends Application {
    
    TabPane tabPane;
    Button btnSort;
    Button btnSetData;
    ObservableList<Tab> tabs;
    
    @Override
    public void start(Stage primaryStage) {
        
        tabPane = new TabPane();
        tabPane.setMinSize(250, 150);
        
        tabs = FXCollections.observableArrayList();
        for (int i = 2; i >=0; i--) {
            tabs.add(TabBuilder.create().text("" + i).content(new Label("content")).build());
        }
        
        
        btnSort = new Button("Sort tabs");
        btnSort.setOnAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent t) {
                FXCollections.sort(tabPane.getTabs(), new Comparator<Tab>() {

                    @Override
                    public int compare(Tab o1, Tab o2) {
                        return o1.getText().compareTo(o2.getText());
                    }
                });
            }
        });
        
        btnSetData = new Button("SetData");
        btnSetData.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent t) {
                tabPane.getTabs().setAll(tabs);
            }
        });
        
        HBox root = new HBox(10.0);
        root.getChildren().addAll(tabPane, btnSort, btnSetData);
        Scene scene = new Scene(root, 600, 400);
        
        primaryStage.setTitle(VersionInfo.getRuntimeVersion());
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}