Natour, O. 9/23/16 Csc-220 isEquivalent

/*
 * Omar Natour
 * 9/23/2016
 * Csc-220 Data Structures
 * Hw2 isEquivalent Method
 * Check to see if two arrays have equivalent values within them
 * [email protected]
 */

import java.util.Arrays;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class ArrayEquivalency extends Application{
    public static void main(String[] args ){
        launch(args);
    }

    TextArea taLeft = new TextArea();
    TextArea taRight = new TextArea();
    TextField tfStatus = new TextField();

    public void start(Stage primaryStage){

        BorderPane bpGui = new BorderPane();

        bpGui.setTop(intro());
        bpGui.setCenter(middle());
        bpGui.setBottom(bottom());

        Scene sce = new Scene(bpGui, 550, 200);

        primaryStage.setTitle("Equivalent Arrays");
        primaryStage.setScene(sce);
        primaryStage.show();
        primaryStage.setResizable(false);
    }

    private Node intro(){

        HBox hbIntro = new HBox();

        hbIntro.setPrefHeight(60);

        Text tIntro = new Text(
                "Enter a list of numbers seperated by spaces in each box to compair the two.");

        hbIntro.setAlignment(Pos.CENTER);
        hbIntro.getChildren().add(tIntro);

        return hbIntro;
    }

    private Node middle(){
        //structure
        HBox hbCenter = new HBox(20);
        VBox vbLeft = new VBox(5);
        VBox vbRight = new VBox(5);
        HBox hbLeft = new HBox(5);
        HBox hbRight = new HBox(5);

        hbCenter.setAlignment(Pos.CENTER);
        hbLeft.setAlignment(Pos.CENTER);
        hbRight.setAlignment(Pos.CENTER);

        vbLeft.setPrefWidth(200);
        vbRight.setPrefWidth(200);
        vbLeft.setAlignment(Pos.CENTER);
        vbRight.setAlignment(Pos.CENTER);

        //elements
        Button bLeft = new Button("Randomize");
        Button bCLeft = new Button("Clear");
        Button bRight = new Button("Randomize");
        Button bCRight = new Button("Clear");

        taLeft.setWrapText(true);
        taRight.setWrapText(true);

        bLeft.setOnAction(e-> taLeft.setText(getRandom()));
        bRight.setOnAction(e-> taRight.setText(getRandom()));
        bCLeft.setOnAction( e-> taLeft.setText(""));
        bCRight.setOnAction( e-> taRight.setText(""));

        hbLeft.getChildren().addAll(bLeft, bCLeft);
        hbRight.getChildren().addAll(bRight,bCRight);

        vbLeft.getChildren().addAll(taLeft, hbLeft);
        vbRight.getChildren().addAll(taRight, hbRight );
        hbCenter.getChildren().addAll(vbLeft, vbRight);

        return hbCenter;
    }

    private Node bottom(){
        //structure
        VBox vbGo = new VBox();
        HBox hbCompare = new HBox();
        HBox hbStatus = new HBox(5);

        hbCompare.setAlignment(Pos.CENTER);
        hbStatus.setAlignment(Pos.CENTER);
        hbStatus.setPrefHeight(50);

        //elements
        Button bCompare = new Button("Compare");

        Text tStatus = new Text("Status:");

        bCompare.setPrefWidth(75);
        tfStatus.setPrefColumnCount(25);
        tfStatus.setEditable(false);

        EventHandler<ActionEvent> Compare = e ->{

            String sLeft = taLeft.getText();
            String sRight = taRight.getText();

            if(sLeft.matches("(\\s*\\d+\\s*)+") && sRight.matches("(\\s*\\d+\\s*)+")){

                String[] saLeft = sLeft.split("(\\s+)");
                String[] saRight = sRight.split("(\\s+)");

                if(isEquivalent(saLeft, saRight)){
                    tfStatus.setText("Equivalent Arrays");
                }
                else{
                    tfStatus.setText("Not Eqivalent Arrays");
                }
            }
            else{
                tfStatus.setText("Error with inputs");
            }
        };

        bCompare.setOnAction(Compare);

        hbCompare.getChildren().add(bCompare);
        hbStatus.getChildren().addAll(tStatus, tfStatus);
        vbGo.getChildren().addAll(hbCompare, hbStatus);
        return vbGo;
    }

    private boolean isEquivalent(String[] saA, String[] saB ){

        if(saA.length != saB.length || saA.length == 0 || saB.length == 0)
            return false;

        int[] iaA = new int[saA.length];
        int[] iaB = new int[saB.length];

        for(int i =0; i < saA.length; i++){
            if(!(saA[i].isEmpty()))
                iaA[i] = Integer.parseInt(saA[i]);
        }
        for(int i = 0; i< saB.length; i++){
            if(!(saB[i].isEmpty()))
                iaB[i] = Integer.parseInt(saB[i]);
        }

        Arrays.sort(iaA);
        Arrays.sort(iaB);

        for(int i = 0; i < saA.length;i++){
            if(iaA[i] != iaB[i])
                return false;
        }
        return true;
    }

    private String getRandom(){

        String sRandom = "";

        for(int i = 0; i < (int)(Math.random()* 50 + 1); i++){
            sRandom += ((int)(Math.random()* 100 + 1) + " ");
        }
        return sRandom;
    }
}