*Last repost* *Sorry for the repost! Been a work in progress* Had to add 2 new s

Question

*Last repost*

*Sorry for the repost! Been a work in progress*

Had to add 2 new steps after #3

Need to make a simple JavaFx GUI that will have:

1) 2 separate text fields for 2 prices to be entered (and displayed): ("plant cost" and "soil cost")

2) a button to be clicked that will calculate the average of the 2 prices

3) a text field that will display the average between 2 prices

NEW) underneath average cost, a button to 'Add Plant' to a new text box below it

THEN) that new text box that will list the plant AND it's average cost next to it. Must be able to list at least 3 plants at a time, along with their avg cost next to it

4) An 'exit' button that will close the GUI

Thanks so much!

Explanation / Answer

import javafx.application.Application;

import javafx.collections.ObservableList;

import javafx.event.EventHandler;

import javafx.geometry.Insets;
import javafx.util.ArrayList

import javafx.stage.Stage;

import javafx.scene.Group;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.control.Label;

import javafx.scene.control.TextField;

import javafx.scene.input.MouseEvent;

import javafx.scene.layout.HBox;
import javafx.io.Serializable;

import javafx.scene.paint.Color;

public class CalculateAverage extends Application{

@Override

public void start(Stage primaryStage) throws Exception {

// TO dO Auto-generated method stub

Label plantCost = new Label("Plant Cost");//Plant Cost label

TextField plant = new TextField("0");//textfield for plant cost

Label soilCost = new Label("Soil Cost");//Soil Cost label

TextField soil = new TextField("0");//textfield for soil Cost.

Button calcAvg = new Button("Calculte Average");//button clickable.

Label avg = new Label("Average");//Average label.

TextField average = new TextField("0");//textfield for average.

//hbox1

HBox hbox1 = new HBox();

hbox1.setLayoutX(50);

hbox1.setLayoutY(200);

hbox1.setMargin(plantCost, new Insets(10, 10, 50, 50));

hbox1.setMargin(plant, new Insets(10, 50, 50, 10));

ObservableList list1 = hbox1.getChildren();//an observable list is declared to add the elements(in this case it adds nodes to hbox1).

list1.addAll(plantCost, plant);//all the nodes are added to the list of type ObservableList.

//hbox2

HBox hbox2 = new HBox();

hbox2.setLayoutX(50);

hbox2.setLayoutY(250);

hbox2.setMargin(soilCost, new Insets(10, 10, 50, 50));

hbox2.setMargin(soil, new Insets(10, 50, 50, 20));

ObservableList list2 = hbox2.getChildren(); //an observable list is declared to add the elements(in this case it adds nodes to hbox2).

list2.addAll(soilCost, soil);//the nodes are added to the list of type ObservableList.

//hbox3

HBox hbox3 = new HBox();

hbox3.setLayoutX(150);

hbox3.setLayoutY(300);

hbox3.setMargin(calcAvg, new Insets(10, 10, 10, 50));

ObservableList list3 = hbox3.getChildren();

list3.addAll(calcAvg);

//hbox4

HBox hbox4 = new HBox();

hbox4.setLayoutX(50);

hbox4.setLayoutY(350);

hbox4.setMargin(avg, new Insets(10, 10, 10, 50));

hbox4.setMargin(average, new Insets(10, 50, 10, 19));

ObservableList list4 = hbox4.getChildren();

list4.addAll(avg, average);

//creating a Group object and added all the hbox layouts to it.

Group group = new Group(hbox1, hbox2, hbox3, hbox4);

//Creating a Scene by passing the group object, height and width

Scene scene = new Scene(group ,400, 500);

//event handler is set to calculate average button, when the button is clicked the code inside the block gets executed.

calcAvg.setOnMouseClicked((new EventHandler<MouseEvent>() {

public void handle(MouseEvent event) {

//takes value from plant textfield.

double plant_cost = Double.parseDouble(plant.getText());

//takes value from soil textfield.

double soil_cost = Double.parseDouble(soil.getText());

double average_ps = (plant_cost+soil_cost)/2;//calculates average of the two and

average.setText(average_ps+"");//sets the average value in average textfield.

}

}));

//setting color to the scene

scene.setFill(Color.SILVER);  

//Setting the title to Stage.

primaryStage.setTitle("Calculate Average");

//Adding the scene to Stage

primaryStage.setScene(scene);

//Displaying the contents of the stage

primaryStage.show();

}

public static void main(String[] args) {

// TODO Auto-generated method stub

launch(args);

}

}

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