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import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.*;
import javafx.scene.paint.Color;
import javafx.scene.text.TextAlignment;
import javafx.stage.Stage;
import javafx.scene.control.Button;
import javafx.scene.shape.Rectangle;
import java.util.Objects;
public class Main extends Application{
String str0 = "";
String str1 = "";
String str2 = "";
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) {
GridPane gridPane = new GridPane();
Scene HomeUI = new Scene(gridPane);
Button btn0 = new Button("0");
Button btn1 = new Button("1");
Button btn2 = new Button("2");
Button btn3 = new Button("3");
Button btn4 = new Button("4");
Button btn5 = new Button("5");
Button btn6 = new Button("6");
Button btn7 = new Button("7");
Button btn8 = new Button("8");
Button btn9 = new Button("9");
Button btn00 = new Button("00");
Button btnDot = new Button(".");
Button btnPercent = new Button("%");
Button btnDeleteAll = new Button("AC");
Button btnAdd = new Button("+");
Button btnSubtract = new Button("-");
Button btnDevide = new Button("/");
Button btnMultipy = new Button("x");
Button btnEqual = new Button("=");
Label data = new Label("");
Rectangle r = new Rectangle();
r.setFill(Color.DARKCYAN);
r.setWidth(270);
r.setHeight(150);
r.setArcHeight(20);
r.setArcWidth(20);
gridPane.add(r,0,0,4,3);
KlikBtn(btn0, data);
KlikBtn(btn1, data);
KlikBtn(btn2, data);
KlikBtn(btn3, data);
KlikBtn(btn4, data);
KlikBtn(btn5, data);
KlikBtn(btn6, data);
KlikBtn(btn7, data);
KlikBtn(btn8, data);
KlikBtn(btn9, data);
KlikBtn(btn00, data);
KlikBtn(btnDot, data);
KlikBtn(btnDevide, data);
KlikBtn(btnMultipy, data);
KlikBtn(btnEqual, data);
KlikBtn(btnAdd, data);
KlikBtn(btnSubtract, data);
KlikBtn(btnDeleteAll, data);
KlikBtn(btnPercent, data);
ShowBtnOp2(gridPane, btnDeleteAll,0,4, 2,1);
ShowBtnOp2(gridPane, btnPercent,2,4);
ShowBtnOp(gridPane, btnDevide,3,4);
ShowBtnOp(gridPane, btnMultipy,3,5);
ShowBtnOp(gridPane, btnSubtract,3,6);
ShowBtnOp(gridPane, btnAdd,3,7);
ShowBtnOp(gridPane, btnEqual,3,8);
ShowBtn(gridPane, btn7,0,5);
ShowBtn(gridPane, btn8,1,5);
ShowBtn(gridPane, btn9,2,5);
ShowBtn(gridPane, btn4,0,6);
ShowBtn(gridPane, btn5,1,6);
ShowBtn(gridPane, btn6,2,6);
ShowBtn(gridPane, btn1,0,7);
ShowBtn(gridPane, btn2,1,7);
ShowBtn(gridPane, btn3,2,7);
ShowBtn(gridPane,btn0, 1,8);
ShowBtn(gridPane,btn00, 0,8);
ShowBtn(gridPane,btnDot, 2,8);
data.setAlignment(Pos.CENTER_RIGHT);
data.setTextAlignment(TextAlignment.RIGHT);
data.setMaxWidth(260);
gridPane.add(data,0,2,4,1);
gridPane.setHgap(10);
gridPane.setVgap(10);
gridPane.setAlignment(Pos.CENTER);
gridPane.setPadding(new Insets(30));
gridPane.setBackground(new Background(new BackgroundFill(Color.rgb(40,44,53), CornerRadii.EMPTY, Insets.EMPTY)));
HomeUI.getStylesheets().add(Objects.requireNonNull(getClass().getResource("style.css")).toExternalForm());
primaryStage.setTitle("Kalkulator");
primaryStage.setWidth(340);
primaryStage.setHeight(600);
primaryStage.setMinWidth(300);
primaryStage.setMinHeight(600);
primaryStage.setScene(HomeUI);
primaryStage.show();
}
private void KlikBtn(Button btn, Label data) {
btn.setOnMouseClicked(event -> {
data.setText(btn.getText());
String s = btn.getText();
if ((s.charAt(0) >= '0' && s.charAt(0) <= '9') || s.charAt(0) == '.') {
if (!str1.equals(""))
str2 = str2 + s;
else
str0 = str0 + s;
data.setText(str0 + str1 + str2);
}
else if(s.charAt(0) == '%'){
if(!str0.equals("") && !str2.equals("")){
str2 = Double.toString((Double.parseDouble(str2) / 100));
}else {
str0 = Double.toString((Double.parseDouble(str0) / 100));
}
data.setText(str0 + str1 + str2);
}
else if (s.equals("AC")) {
str0 = str1 = str2 = "";
data.setText(str0 + str1 + str2);
}
else if (s.charAt(0) == '=') {
double hasil;
if (str1.equals("+"))
hasil = (Double.parseDouble(str0) + Double.parseDouble(str2));
else if (str1.equals("-"))
hasil = (Double.parseDouble(str0) - Double.parseDouble(str2));
else if (str1.equals("/"))
hasil = (Double.parseDouble(str0) / Double.parseDouble(str2));
else
hasil = (Double.parseDouble(str0) * Double.parseDouble(str2));
data.setText(str0 + str1 + str2 + "=" + hasil);
str0 = Double.toString(hasil);
str1 = str2 = "";
}
else {
if (str1.equals("") || str2.equals(""))
str1 = s;
else {
double te;
if (str1.equals("+"))
te = (Double.parseDouble(str0) + Double.parseDouble(str2));
else if (str1.equals("-"))
te = (Double.parseDouble(str0) - Double.parseDouble(str2));
else if (str1.equals("/"))
te = (Double.parseDouble(str0) / Double.parseDouble(str2));
else
te = (Double.parseDouble(str0) * Double.parseDouble(str2));
str0 = Double.toString(te);
str1 = s;
str2 = "";
}
data.setText(str0 + str1 + str2);
}
});
}
private void ShowBtn(GridPane gridPane, Button btn, int kolom, int baris) {
gridPane.add(btn,kolom,baris);
btn.setStyle(" -fx-min-width: 60; -fx-min-height: 60; -fx-text-fill: #fff; -fx-font-size: 24; -fx-background-radius: 24");
}
private void ShowBtnOp(GridPane gridPane, Button btn, int kolom, int baris) {
gridPane.add(btn,kolom,baris);
btn.setStyle(" -fx-min-width: 60; -fx-min-height: 60; -fx-text-fill: #E87676; -fx-font-size: 22; -fx-background-radius: 24; -fx-font-weight: bold");
}
private void ShowBtnOp2(GridPane gridPane, Button btn, int kolom, int baris) {
gridPane.add(btn,kolom,baris);
btn.setStyle(" " +
"" +
" -fx-min-width: 60; -fx-min-height: 60;" +
" -fx-text-fill: #26D4B6; -fx-font-size: 22; " +
" -fx-background-radius: 24;" +
" button-hover-color: #353A46 ;" +
" ");
}
private void ShowBtnOp2(GridPane gridPane, Button btn, int kolom, int baris, int kolomspan, int barisspan) {
gridPane.add(btn,kolom,baris, kolomspan, barisspan);
btn.setStyle(" " +
"" +
" -fx-min-width: 120; -fx-min-height: 60;" +
" -fx-text-fill: #26D4B6; -fx-font-size: 22; " +
" -fx-background-radius: 24;" +
" button-hover-color: #353A46 ;" +
" ");
}
}
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