Luis Calvao / Phil Crafts Ugly# HW

/*
 * Name: Luis Calvao / Philip Crafts
 * Date: 9/15/17
 * Course Number: CSC220
 * Course Name: Data Structures
 * Problem Number: N/A
 * Email:  lccalvao@student.stcc.edu / prcrafts@student.stcc.edu
 * Ugly Number Table
 */
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Separator;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;

public class UglyNumbers extends Application {

    Stage window;

    TextField firstInput = new TextField();
    TextField secondInput = new TextField();
    TextArea outputBox = new TextArea();
    Button enterButton = new Button("enter");
    Button resetButton = new Button("reset");

    @Override
    public void start(Stage primaryStage) throws Exception {

        // gui javafx
        window = primaryStage;
        window.setTitle("UGLY NUMBERS GENERATOR");
        outputBox.setPrefRowCount(20);
        outputBox.setPrefColumnCount(60);
        outputBox.setStyle("-fx-font-family: monospace");

        Label oneLabel = new Label("enter first number:");
        Label twoLabel = new Label("enter second number:");
        Label outputLabel = new Label("output:");
        Separator line = new Separator();

        GridPane grid = new GridPane();
        grid.setPadding(new Insets(50, 50, 100, 100));
        grid.setVgap(20);
        grid.setHgap(10);
        GridPane.setConstraints(oneLabel, 0, 0);
        GridPane.setConstraints(firstInput, 1, 0);
        GridPane.setConstraints(twoLabel, 0, 1);
        GridPane.setConstraints(secondInput, 1, 1);
        GridPane.setConstraints(line, 0, 2);
        GridPane.setConstraints(outputLabel, 0, 3);
        GridPane.setConstraints(outputBox, 1, 3);
        GridPane.setConstraints(enterButton, 3, 0);
        GridPane.setConstraints(resetButton, 3, 1);
        grid.getChildren().addAll(oneLabel, firstInput, twoLabel, secondInput, enterButton, resetButton, line,
                outputLabel, outputBox);

        Scene scene = new Scene(grid, 900, 600);
        window.setScene(scene);
        window.show();

        // event handling
        firstInput.setOnKeyPressed(event -> {
            if (event.getCode() == KeyCode.ENTER) {
                getUgly();
            }
        });

        secondInput.setOnKeyPressed(event -> {
            if (event.getCode() == KeyCode.ENTER) {
                getUgly();
            }
        });

        enterButton.setOnAction(e -> getUgly());
        resetButton.setOnAction(e -> reset());

    }

    // assign user input
    private void getUgly() {

        int first = Integer.parseInt(firstInput.getText());
        int second = Integer.parseInt(secondInput.getText());
        process(first, second);

    }

    // goes through input range and outputs any ugly numbers
    private void process(int x, int y) {

        int count = 0;

        String output = "";
        while (x <= y) {

            if (isUgly(x)) {

                output += String.format("%10d|", x);
                count++;

                if (count % 5 == 0)
                    output += "\n";

            }
            x++;
        }

        outputBox.setText(output);


    }

    // checks for ugly numbers
    private static boolean isUgly(int z) {

        while (z % 5 == 0) {
            z /= 5;
        }

        while (z % 3 == 0) {
            z /= 3;
        }

        while (z % 2 == 0) {
            z /= 2;
        }

        if (z >= 7) {
            return false;
        }

        return true;
    }

    // reset fields
    private void reset() {
        firstInput.setText("");
        secondInput.setText("");
        outputBox.setText("");
    }

    public static void main(String[] args) {

        launch(args);
    }

}