Examples of jfxtras.scene.layout.CircularPane

jfxtras.scene.layout.CircularPane
This pane lays it children out in a circle or part of a circle (arc). In order to understand how to use this pane, it is important to understand how it places its children. Placing nodes on a circle in essence is not that difficult; a circle is 360 degrees, so each node is spaced 360 / n degrees apart, the real challenge is to determine how large the circle must be. Nodes in JavaFX are rectangles with a width and a height, but for calculating in a circle the rectangular shape is impractical. So CircularPane treats its child nodes as circles, or for better visualization: as beads on a chain. The first step is to determine how large a single bead is. This already is an interesting question. A beat should encompass the contents of the node, but CircularPane does not know what exactly is drawn in the node. It could be a simple flat or vertical line, where the encompassing circle's diameter is equal to the width or height (whichever is the largest). But if the contents is an X or a rectangle, then then encompassing circle's diameter is equal to the diagonal (Pythagoras). Since CircularPane does not know, it has to assume the worst and use the diameter. But the childrenAreCircles property allows the user to inform CircularPane than all the children are circular (or smaller), so it can then use the width or height to calculate the encompassing circle. CircularPane segments the 360 degrees in equal parts; 360 / number of children. The largest bead determines the distance from the origin to where it fits in a segment, and this determines the size of the chain. By setting a debug color, the beads will be drawn and will clarify the layout. @author Tom Eugelink

      lFlowPane.setPrefWrapLength(primaryScreenBounds.getWidth());
       
    for (int j = 0; j < 10; j++)
//int j = 2;
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(Color.GREEN);
      lCircularPane.setArc(90.0);
      for (int i = 0; i < j; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(15,15);
        //c.setStroke(Color.RED);
        lCircularPane.add(c);
      }
      lFlowPane.getChildren().add(lCircularPane);
    }


        // setup scene

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      Rectangle2D primaryScreenBounds = Screen.getPrimary().getVisualBounds();
      lFlowPane.setPrefWrapLength(primaryScreenBounds.getWidth());
       
    for (int j = 0; j < 360; j += 10)
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setStyle("-fx-border-color:black;");
      //lCircularPane.setAnimate(true);
      lCircularPane.setShowDebug(Color.GREEN);
      lCircularPane.setStartAngle( (double)j );
      for (int i = 0; i < 2; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(15,15);
        //c.setStroke(Color.RED);
        lCircularPane.add(c);
      }
      lFlowPane.getChildren().add(lCircularPane);
    }


        // setup scene

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    label = new Label();
    label.setLayoutY(lPane.getMinHeight() - 20);
    lPane.getChildren().add(label);    
    
    // add the circularePane (this is what we want to test)
    circularPane = new CircularPane();
    circularPane.setShowDebug(Color.GREEN);
    lPane.getChildren().add(circularPane);    
    circularPane.setStyle("-fx-border-color:black;");
    return lPane;
  }

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    }


  @Override
  public void start(Stage stage) {


    CircularPane lCircularPane = new CircularPane();
//    lCircularPane.setStyle("-fx-border-color:black;");
    lCircularPane.setShowDebug(Color.GREEN);
//    lCircularPane.setStartAngle(30.0); 
    for (int i = 0; i < 20; i++) {
//      javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(10,10);
//      lCircularPane.add(c);
      lCircularPane.add(new javafx.scene.control.Button("X X X"));
    }


        // setup scene
    Scene scene = new Scene(lCircularPane);
    scene.getStylesheets().add(this.getClass().getName().replace(".", "/") + ".css");

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    HBox lHBox = new HBox(20);
    Paint lShowDebug = Color.GREEN;
    
    {
      CircularPane lCircularPane = new CircularPane();
      //lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setStartAngle(360.0 / 12 / 2); // make sure the 12 is on top
      lCircularPane.setChildrenAreCircular(true);
      //lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      final List<Label> labels = new ArrayList<>();
      final List<Circle> circles = new ArrayList<>();
      final AtomicReference<Circle> lastFocus = new AtomicReference<>();
      final AtomicBoolean isPM = new AtomicBoolean(false);
      for (int i = 0; i < 12; i++) {
        javafx.scene.shape.Circle c = new javafx.scene.shape.Circle(10, Color.TRANSPARENT);
        c.getStyleClass().add("timecircle");
        circles.add(c);
        javafx.scene.control.Label t = new javafx.scene.control.Label("" + (i + 1));
        t.getStyleClass().add("time");
        labels.add(t);
        c.setOnMouseEntered( (event) -> {
          int lastFocusIdx = circles.indexOf(lastFocus.get());
          int currentIdx = circles.indexOf( event.getSource() );
          
          if ( (lastFocusIdx == 11 && currentIdx == 0)
            || (lastFocusIdx == 0 && currentIdx == 11)
             ) {
            isPM.set( !isPM.get() );
          }
          
          for (int j = 0; j < 12; j++) {
            labels.get(j).setText( "" + ( (j + 1) + (isPM.get() ? 12 : 0) ) );
          }
        });
        c.setOnMouseExited( (event) -> {
          lastFocus.set( (Circle)event.getSource() );
        });
        StackPane lStackPane = new StackPane();
        lStackPane.setId("" + i);
        lStackPane.getChildren().add(c);
        lStackPane.getChildren().add(t);
        lCircularPane.add(lStackPane);
      }
      
      StackPane lStackPane = new StackPane();
      Circle c = new Circle(1, Color.WHITE);
      c.radiusProperty().bind(lCircularPane.widthProperty().divide(2.0));
      lStackPane.getChildren().add(c);
      lStackPane.getChildren().add(lCircularPane);
      Label l = new Label("H");
      l.getStyleClass().add("center");
      lStackPane.getChildren().add(l);
      lHBox.add(lStackPane);
    }
    
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setStartAngle(-360.0 / 12 / 2);
      lCircularPane.setDiameter(150.0);
      //lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setChildrenAreCircular(true);
      //lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      final List<Label> labels = new ArrayList<>();
      final List<Circle> circles = new ArrayList<>();
      for (int i = 0; i < 12; i++) {
        javafx.scene.shape.Circle c = new javafx.scene.shape.Circle(10, Color.TRANSPARENT);
        circles.add(c);
        javafx.scene.control.Label t = new javafx.scene.control.Label("" + (i * 5));
        t.getStyleClass().add("time");
        labels.add(t);
        StackPane lStackPane = new StackPane();
        lStackPane.getChildren().add(c);
        lStackPane.getChildren().add(t);
        lCircularPane.add(lStackPane);
      }
      StackPane lStackPane = new StackPane();
      Circle c = new Circle(1, Color.WHITE);
      c.radiusProperty().bind(lCircularPane.widthProperty().divide(2.0));
      lStackPane.getChildren().add(c);
      lStackPane.getChildren().add(lCircularPane);
      Label l = new Label("M");
      l.getStyleClass().add("center");
      lStackPane.getChildren().add(l);
      lHBox.add(lStackPane);
    }
    
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setDiameter(90.0);
      //lCircularPane.setStyle("-fx-border-color:black;");
      //lCircularPane.setChildrenAreCircular(true);
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      final List<Label> labels = new ArrayList<>();
      final List<Circle> circles = new ArrayList<>();
      final AtomicReference<Circle> lastFocus = new AtomicReference<>();
      final AtomicBoolean isPM = new AtomicBoolean(false);
      for (int i = 0; i < 12; i++) {
        javafx.scene.shape.Circle c = new javafx.scene.shape.Circle(10, Color.GRAY);
        circles.add(c);
        javafx.scene.control.Label t = new javafx.scene.control.Label("" + (i * 5));
        t.getStyleClass().add("time");
        labels.add(t);
        StackPane lStackPane = new StackPane();
        lStackPane.getChildren().add(c);
        lStackPane.getChildren().add(t);
        lCircularPane.add(lStackPane);
      }
      StackPane lStackPane = new StackPane();
      lStackPane.getChildren().add(lCircularPane);
      Label l = new Label("S");
      l.getStyleClass().add("center");
      lStackPane.getChildren().add(l);
      lHBox.add(lStackPane);
    }
    
    {
      CircularPane lCircularPane = new CircularPane().withId("XX");
      //lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      for (int i = 0; i < 12; i++) {
        javafx.scene.control.Button b = new javafx.scene.control.Button("XX");
//        b.setStyle("-fx-padding:10px;");
        b.setStyle("-fx-margin:10px;");
        lCircularPane.add(b);
      }
      lHBox.add(lCircularPane);
    }
    
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setMinSize(200,  200);
      //lCircularPane.setStyle("-fx-border-color:black;");
      //lCircularPane.setChildrenAreCircular(true);
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      for (int i = 0; i < 8; i++) {
        javafx.scene.shape.Circle c = new javafx.scene.shape.Circle(10);
        lCircularPane.add(c);
      }
      lHBox.add(lCircularPane);
      
//      final Node n = lCircularPane.getChildren().get(0);        
//      n.layoutXProperty().addListener( (observable) -> {
//        System.out.println("layoutX=" + n.getLayoutX());
//      });    
//      n.layoutYProperty().addListener( (observable) -> {
//        System.out.println("layoutY=" + n.getLayoutY());
//      });    
      
    }
    
    {
      CircularPane lCircularPane = new CircularPane();
      //lCircularPane.setStyle("-fx-border-color:black;");
      //lCircularPane.setChildrenAreCircular(true);
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      for (int i = 0; i < 8; i++) {
        javafx.scene.shape.Circle c = new javafx.scene.shape.Circle(10);
        lCircularPane.add(c);
      }
      lHBox.add(lCircularPane, new HBox.C().hgrow(Priority.ALWAYS));
    }
    
    {
      CircularPane lCircularPane = new CircularPane();
      //lCircularPane.setStyle("-fx-border-color:black;");
      //lCircularPane.setChildrenAreCircular(true);
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      for (int i = 0; i < 8; i++) {
        javafx.scene.shape.Circle c = new javafx.scene.shape.Circle(5 + i);
        lCircularPane.add(c);
      }
      lHBox.add(lCircularPane);
    }


    {
      CircularPane lCircularPane = new CircularPane();
      //lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      for (int i = 0; i < 8; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(5 + (2*i), 5 + (2*i));
        lCircularPane.add(c);
      }
      lHBox.add(lCircularPane);
    }
    
    {
      CircularPane lCircularPane = new CircularPane();
      //lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateFromTheOrigin);
      for (int i = 0; i < 8; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(5 + (2*i), 5 + (2*i));
        c.setRotate(45);
        lCircularPane.add(c);
      }
      lHBox.add(lCircularPane);
    }
    
    
    CircularPane lCircularPane = new CircularPane();
    {
      //lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(lShowDebug);
      lCircularPane.setAnimationInterpolation(CircularPane::animateFromTheOrigin);
//      lCircularPane.setAnimationInterpolation(CircularPane::animateOverTheArc);
      for (int i = 0; i < 10; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(20, 20);
        c.setRotate(i * 10);
        lCircularPane.add(c);
      }
      lHBox.add(lCircularPane);
    }
    
    Button lButton = new Button("out");
    lButton.setOnAction( (actionEvent) -> {
      lCircularPane.animateOut();
    });
    lCircularPane.setOnAnimateOutFinished( (event) -> {
      lCircularPane.setVisible(false);
      Platform.runLater(() -> {
        TestUtil.sleep(3000);
        lCircularPane.setVisible(true);
        lCircularPane.animateIn();
      });
    });
    lHBox.getChildren().add(lButton);
    
        // setup scene

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    HBox lHBox = new HBox(0);
    lVBox.getChildren().add(lHBox);


    for (int j = 1; j < 27; j++)
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(Color.GREEN);
      for (int i = 0; i < j; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(30,30);
        //c.setStroke(Color.RED);
        lCircularPane.add(c);
      }
      lHBox.getChildren().add(lCircularPane);
      if (lHBox.prefWidth(-1) > 1500) {
        lHBox = new HBox(0);
        lVBox.getChildren().add(lHBox);

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    HBox lHBox = new HBox(0);
    lVBox.getChildren().add(lHBox);


    for (int j = 1; j < 27; j++)
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setStyle("-fx-border-color:black;");
      //lCircularPane.setChildrenAreCircular(true);
      lCircularPane.setShowDebug(Color.GREEN);
      for (int i = 0; i < j; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(20,20);
        lCircularPane.add(c);
      }
      lHBox.getChildren().add(lCircularPane);
      if (lHBox.prefWidth(-1) > 1000) {
        lHBox = new HBox(0);
        lVBox.getChildren().add(lHBox);

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      Rectangle2D primaryScreenBounds = Screen.getPrimary().getVisualBounds();
      lFlowPane.setPrefWrapLength(primaryScreenBounds.getWidth());
       
    for (int j = 0; j < 360; j += 10)
    {
      CircularPane lCircularPane = new CircularPane();
      lCircularPane.setStyle("-fx-border-color:black;");
      lCircularPane.setShowDebug(Color.GREEN);
      lCircularPane.setStartAngle( (double)j );
      lCircularPane.setArc(90.0);
      for (int i = 0; i < 10; i++) {
        javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(15,15);
        //c.setStroke(Color.RED);
        lCircularPane.add(c);
      }
      lFlowPane.getChildren().add(lCircularPane);
    }


        // setup scene

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    }


  @Override
  public void start(Stage stage) {


    CircularPane lCircularPane = new CircularPane();
    lCircularPane.setStyle("-fx-border-color:black;");
    lCircularPane.setShowDebug(Color.GREEN);
//    lCircularPane.setStartAngle(315.0); lCircularPane.setArc(90.0);
//    lCircularPane.setStartAngle(0.0); lCircularPane.setArc(90.0);
//    lCircularPane.setStartAngle(30.0); lCircularPane.setArc(90.0);
//    lCircularPane.setStartAngle(30.0); lCircularPane.setArc(180.0);
//    lCircularPane.setStartAngle(90.0); lCircularPane.setArc(90.0);
//    lCircularPane.setStartAngle(120.0); lCircularPane.setArc(90.0);
    for (int i = 0; i < 14; i++) {
      javafx.scene.shape.Rectangle c = new javafx.scene.shape.Rectangle(50,50);
      //c.setStroke(Color.RED);
      lCircularPane.add(c);
    }


        // setup scene
    Scene scene = new Scene(lCircularPane);
    scene.getStylesheets().add(this.getClass().getName().replace(".", "/") + ".css");

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