package splitpanecontentchangettest;

import com.sun.javafx.runtime.VersionInfo;
import java.util.Comparator;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.SplitPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class SplitPaneContentChangetTest extends Application {

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

    @Override
    public void start(Stage stage) throws Exception {
        stage.setScene(createScene());
        stage.setTitle("Split pane items sorting test : " + VersionInfo.getRuntimeVersion());
        stage.show();
    }

    private Scene createScene() {
        sp = new SplitPane();
        sp.setMaxWidth(250);
        
        final int SIZE = 2;
        
        for (int i = SIZE - 1; i >= 0; --i) {
            sp.getItems().add(new Label("content " + i));
        }
        
        Button sort = new Button("Sort content");
        sort.setOnAction(new EventHandler<ActionEvent>() {
            private boolean ascending = true;
            
            private Comparator<Node> cmp = new Comparator<Node>() {
                @Override
                public int compare(Node o1, Node o2) {
                    int result = 0;
                    
                    if (o1 instanceof Label && o2 instanceof Label) {
                        String s1 = ((Label) o1).getText();
                        String s2 = ((Label) o2).getText();
                        result = s1.compareTo(s2);
                        System.out.println(String.format("'%s' compareTo '%s' equals %d", s1, s2, result));
                    }
                    
                    return ascending ? result : -result;
                }
            };
            
            @Override
            public void handle(ActionEvent t) {
                System.out.println("Calling sort");
                FXCollections.sort(sp.getItems(), cmp);
                ascending = !ascending;
            }
        });
        
        Button add = new Button("Add");
        add.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent t) { sp.getItems().add(new Label("Test")); }
        });
        
        HBox root = new HBox(10, sp, new VBox(5, sort, add));
        return new Scene(root, 400, 300);
    }
}