public void start(Stage primaryStage) {

    // Creates the pane and font objects to be used, as well as a string for the chars.
    Pane paneOne = new Pane();
    Font mainFont = Font.font("Times New Roman", FontWeight.BOLD, FontPosture.REGULAR, 35);
    String text = "Welcome to Java ";

    // Makes a point in the very center of the 600x600 scene, a double for distance
    // from the center, and one for the starting rotation of the first character.
    double centerX = 300;
    double centerY = 300;
    double distance = 200;
    double rotation = 90;

    for (int i = 0; i < text.length(); i++) {
      /**
       * To make the positions work correctly, I treat the characters as elements on a unit circle.
       * I find the angle by multiplying 2 * pi by i, then dividing that by the length of the text.
       * Next, I find the A. cos and B. sin of the angle, and multiply that by the distance from the
       * center to find the change in X and Y respectively. Finally, the X and Y for the current
       * character are found by adding the change in X and Y to the center X and Y.
       */
      double unitCircleAngle = (2 * Math.PI * i) / text.length();
      double deltaX = distance * Math.cos(unitCircleAngle);
      double deltaY = distance * Math.sin(unitCircleAngle);
      double currentX = centerX + deltaX;
      double currentY = centerY + deltaY;

      // I make a string of the char at index i by finding the charAt, then using the
      // Character.toString
      // method to cast it a string; then I make a Text object using the current X and Y and the
      // current
      // character. I set the font, and current rotation of the character. Finally, I add 22.5 to
      // the rotation
      // to ensure that it is at the appropriate rotation for the next character.
      String tempChar = Character.toString(text.charAt(i));
      ;
      Text tempText = new Text(currentX, currentY, tempChar);

      tempText.setFont(mainFont);
      tempText.setRotate(rotation);

      paneOne.getChildren().add(tempText);
      rotation = rotation + 22.5;
    }

    // I make a scene of the appropriate size using the pane with the characters, set the stage
    // title, add the
    // scene to the stage, and show it.
    Scene sceneOne = new Scene(paneOne, 600, 600);
    primaryStage.setTitle("Characters Around A Circle");
    primaryStage.setScene(sceneOne);
    primaryStage.show();
  }
Example #2
0
  public static void setJar(final Tile node) {
    node.data.put("type", "Jar");
    List<Node> toRemove = new ArrayList<>();
    for (Node n : node.node.getChildren()) {
      if (!n.getId().equals("delete")) {
        if (n.getId().equals("typeLabel")) {
          Label l = (Label) n;
          l.setText("jar");
          l.setTranslateY(l.getTranslateY() - 1);
        } else {
          toRemove.add(n);
        }
      }
    }

    VBox leftPadding = new VBox();
    leftPadding.setPrefWidth(14);
    VBox buttons = new VBox();
    VBox textBoxes = new VBox();
    VBox extra = new VBox();

    buttons.setSpacing(5);
    textBoxes.setSpacing(5);
    extra.setSpacing(5);

    buttons.setPadding(new Insets(7, 0, 0, 0));
    textBoxes.setPadding(new Insets(7, 0, 0, 0));
    extra.setPadding(new Insets(7, 0, 0, 0));

    textBoxes.setTranslateX(17);
    extra.setTranslateX(32);

    node.node.getChildren().removeAll(toRemove);

    final String name = "Package Name";
    final String name2 = "Jar Name";

    Button findPkg = new Button();
    final TextField pkgText = new TextField();
    final TextField jarName = new TextField();

    findPkg.getStyleClass().add("defaultButton");
    findPkg.setText("Find Package Name");
    findPkg.setPrefHeight(25);
    findPkg.setTranslateX(12);

    findPkg.setOnAction(
        new EventHandler<ActionEvent>() {
          @Override
          public void handle(ActionEvent event) {
            String mainClassName = Util.packageNameFromTile();
            if (mainClassName != null) {
              pkgText.setText(mainClassName);
            }
          }
        });

    pkgText.setText(name);
    pkgText.setPrefSize(150, 27);
    pkgText.setFont(Font.font("Segoe UI"));
    pkgText.setId("textBox");
    pkgText
        .textProperty()
        .addListener(
            new ChangeListener<String>() {
              @Override
              public void changed(
                  ObservableValue<? extends String> observable, String oldValue, String newValue) {
                node.data.put("package", pkgText.getText().trim());
              }
            });
    pkgText
        .focusedProperty()
        .addListener(
            new ChangeListener<Boolean>() {
              @Override
              public void changed(
                  ObservableValue<? extends Boolean> observable,
                  Boolean oldValue,
                  Boolean newValue) {
                if (newValue == true && pkgText.getText().equals(name)) {
                  pkgText.setText("");
                } else if (newValue == false && pkgText.getText().trim().equals("")) {
                  pkgText.setText(name);
                }
              }
            });

    jarName.setText(name2);
    jarName.setPrefSize(150, 27);
    jarName.setFont(Font.font("Segoe UI"));
    jarName.setId("textBox");
    jarName
        .textProperty()
        .addListener(
            new ChangeListener<String>() {
              @Override
              public void changed(
                  ObservableValue<? extends String> observable, String oldValue, String newValue) {
                node.data.put("jarname", jarName.getText().trim());
              }
            });
    jarName
        .focusedProperty()
        .addListener(
            new ChangeListener<Boolean>() {
              @Override
              public void changed(
                  ObservableValue<? extends Boolean> observable,
                  Boolean oldValue,
                  Boolean newValue) {
                if (newValue == true && jarName.getText().equals(name2)) {
                  jarName.setText("");
                } else if (newValue == false && jarName.getText().trim().equals("")) {
                  jarName.setText(name2);
                }
              }
            });

    final String defTxt = "Additional Flags";
    final TextField flags = new TextField();
    flags.setText(defTxt);
    flags.setPrefSize(150, 27);
    flags.setFont(Font.font("Segoe UI"));
    flags.setId("textBox");

    flags
        .focusedProperty()
        .addListener(
            new ChangeListener<Boolean>() {
              @Override
              public void changed(
                  ObservableValue<? extends Boolean> observable,
                  Boolean oldValue,
                  Boolean newValue) {
                if (newValue == true && flags.getText().equals(defTxt)) {
                  flags.setText("");
                } else if (newValue == false && flags.getText().trim().equals("")) {
                  flags.setText(defTxt);
                }
              }
            });
    flags
        .textProperty()
        .addListener(
            new ChangeListener<String>() {
              @Override
              public void changed(
                  ObservableValue<? extends String> observable, String oldValue, String newValue) {
                node.data.put("flags", flags.getText().trim());
              }
            });

    final String defTxt2 = "Output Directory";
    final TextField outputDir = new TextField();
    outputDir.setText(defTxt2);
    outputDir.setPrefSize(150, 27);
    outputDir.setFont(Font.font("Segoe UI"));
    outputDir.setId("textBox");

    outputDir
        .focusedProperty()
        .addListener(
            new ChangeListener<Boolean>() {
              @Override
              public void changed(
                  ObservableValue<? extends Boolean> observable,
                  Boolean oldValue,
                  Boolean newValue) {
                if (newValue == true && outputDir.getText().equals(defTxt2)) {
                  outputDir.setText("");
                } else if (newValue == false && outputDir.getText().trim().equals("")) {
                  outputDir.setText(defTxt2);
                }
              }
            });
    outputDir
        .textProperty()
        .addListener(
            new ChangeListener<String>() {
              @Override
              public void changed(
                  ObservableValue<? extends String> observable, String oldValue, String newValue) {
                node.data.put("output", outputDir.getText().trim());
              }
            });

    buttons.getChildren().addAll(findPkg);
    textBoxes.getChildren().addAll(pkgText, jarName);
    extra.getChildren().addAll(flags, outputDir);
    node.node.getChildren().addAll(leftPadding, buttons, textBoxes, extra);
  }