Из песочницы Написание десктопного приложения с помощью JavaFX

<?xml version="1.0" encoding="UTF-8"?><?import javafx.scene.control.Button?><?import javafx.scene.control.CheckBox?><?import javafx.scene.control.Label?><?import javafx.scene.control.TextField?><?import javafx.scene.image.Image?><?import javafx.scene.image.ImageView?><?import javafx.scene.layout.GridPane?><?import javafx.scene.layout.Pane?><?import javafx.scene.layout.VBox?><Pane prefHeight="600.0" prefWidth="900.0" xmlns="http://personeltest.ru/away/javafx.com/javafx/8.0.112" xmlns:fx="http://personeltest.ru/away/javafx.com/fxml/1" fx:controller="sample.Controller">   <children>      <Button fx:id="button" layoutX="40.0" layoutY="200.0" mnemonicParsing="false" onAction="#showDateTime" prefHeight="71.0" prefWidth="528.0" text="=" />      <VBox layoutX="312.0" layoutY="20.0" minHeight="-Infinity" minWidth="-Infinity" prefHeight="200.0" prefWidth="280.0" GridPane.columnIndex="1">         <children>            <TextField fx:id="myTextField1" promptText="Значение а" />            <TextField fx:id="myTextField2" promptText="значение b (наименьшая сторона)" />            <TextField fx:id="myTextField3" promptText="Толщина" />            <TextField fx:id="myTextField4" prefHeight="25.0" prefWidth="280.0" promptText="Модуль упругости Е" />            <TextField fx:id="myTextField6" prefHeight="25.0" prefWidth="280.0" promptText="Действующие напряжения" />         </children>      </VBox>      <VBox layoutX="611.0" prefHeight="562.0" prefWidth="271.0" GridPane.columnIndex="21">         <children>            <ImageView fx:id="image" fitHeight="116.0" fitWidth="174.0" pickOnBounds="true" preserveRatio="true">               <image>                  <Image url="@Zadelka1.PNG" />               </image></ImageView>            <CheckBox fx:id="checkbox1" mnemonicParsing="false" text="Все края защемлены" />            <ImageView fitHeight="122.0" fitWidth="237.0" layoutX="30.0" pickOnBounds="true" preserveRatio="true">               <image>                  <Image url="@Zadelka2.PNG" />               </image></ImageView>            <CheckBox fx:id="checkbox2" mnemonicParsing="false" text="Шарнир по верхним  и нижним кромкам" />            <ImageView fitHeight="127.0" fitWidth="272.0" pickOnBounds="true" preserveRatio="true">               <image>                  <Image url="@Zadelka3.PNG" />               </image></ImageView>            <CheckBox fx:id="checkbox3" mnemonicParsing="false" text="Шарнир по бокам" />            <ImageView fitHeight="129.0" fitWidth="392.0" pickOnBounds="true" preserveRatio="true">               <image>                  <Image url="@Zadelka4.PNG" />               </image></ImageView>            <CheckBox fx:id="checkbox4" mnemonicParsing="false" text="Шарнир кругом" />         </children>      </VBox>            <VBox layoutX="20.0" layoutY="20.0" minHeight="-Infinity" minWidth="-Infinity" prefHeight="200.0" prefWidth="262.0">         <children>            <Label prefHeight="25.0" prefWidth="185.0" text="Значение a" />            <Label prefHeight="25.0" prefWidth="262.0" text="Значение b (наименьшая сторона)" />            <Label prefHeight="25.0" prefWidth="188.0" text="Толщина" />            <Label prefHeight="25.0" prefWidth="186.0" text="Модуль упругости E" />            <Label prefHeight="25.0" prefWidth="188.0" text="Действующие напряжения" />         </children>      </VBox>      <VBox layoutX="312.0" layoutY="311.0" prefHeight="200.0" prefWidth="280.0">         <children>            <TextField fx:id="myTextField5" prefHeight="25.0" prefWidth="280.0" promptText="Касательное напряжения(кр)" />            <TextField fx:id="myTextField7" prefHeight="25.0" prefWidth="280.0" promptText="Запас прочности" />         </children>      </VBox>      <VBox layoutX="20.0" layoutY="310.0" prefHeight="200.0" prefWidth="262.0">         <children>            <Label prefHeight="25.0" prefWidth="260.0" text="Критическое касательное напряжения" />            <Label prefHeight="25.0" prefWidth="187.0" text="Запас прочности" />         </children>      </VBox>   </children>  </Pane>

package sample;import javafx.application.Application;import javafx.fxml.FXMLLoader;import javafx.scene.Parent;import javafx.scene.Scene;import javafx.stage.Stage;public class Main extends Application  {    @Override    public void start(Stage primaryStage) {        try {//Ссылка на sample.fxml(наш интерфейс).Название программы и создание нашей главной сцен            Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));            primaryStage.setTitle("Чистый сдвиг");            primaryStage.setScene(new Scene(root));            primaryStage.show();        } catch(Exception e) {            e.printStackTrace();        }    }    public static void main(String[] args)  {        launch(args);    }}

ackage sample;import javafx.fxml.FXML;import javafx.fxml.Initializable;import javafx.scene.control.Button;import javafx.scene.control.CheckBox;import javafx.scene.control.TextField;import javafx.stage.Stage;import java.net.URL;import java.util.ResourceBundle;import static java.lang.Double.NaN;import static java.lang.Double.parseDouble;import static java.lang.String.valueOf;public class Controller extends TextField implements Initializable  {//Создание переменных разлчиных типов связанных с интерфейсом    @FXML    private TextField myTextField4;    @FXML    private TextField myTextField1;    @FXML    private TextField myTextField2;    @FXML    private TextField myTextField3;    @FXML    private TextField myTextField5;    @FXML    private TextField myTextField6;    @FXML    private TextField myTextField7;    @FXML    private CheckBox checkbox1;    @FXML    private CheckBox checkbox2;    @FXML    private CheckBox checkbox3;    @FXML    private CheckBox checkbox4;    private double k;    private double krit;    private double zapas;    @Override    public void initialize(URL location, ResourceBundle resources) {                //Применения фильтра для ввода параметров        myTextField1.setTextFormatter(new AlphaNumericTextFormatter());        myTextField2.setTextFormatter(new AlphaNumericTextFormatter());        myTextField3.setTextFormatter(new AlphaNumericTextFormatter());        myTextField4.setTextFormatter(new AlphaNumericTextFormatter());        //myTextField6.setTextFormatter(new AlphaNumericTextFormatter());    }    public void showDateTime() throws Exception {//Перевод строки в число        Double a = parseDouble(myTextField1.getText());        Double b = parseDouble(myTextField2.getText());        Double t = parseDouble(myTextField3.getText());        Double e = parseDouble(myTextField4.getText());        Double c = b / a;//Условия выбора CheckBox и отношения стороны        if (checkbox1.isSelected()) {            if (c <= 0.1) {                k = 8;            } else if ((c > 0.1) && (c <= 0.15)) {                k = 8.5;            } else if ((c > 0.15) && (c <= 0.2)) {                k = 8.8;            } else if ((c > 0.2) && (c <= 0.25)) {                k = 9;            } else if ((c > 0.25) && (c <= 0.30)) {                k = 9.2;            } else if ((c > 0.3) && (c <= 0.35)) {                k = 9.5;            } else if ((c > 0.35) && (c <= 0.40)) {                k = 9.8;            } else if ((c > 0.40) && (c <= 0.45)) {                k = 10.3;            } else if ((c > 0.45) && (c <= 0.50)) {                k = 10.5;            } else if ((c > 0.5) && (c <= 0.55)) {                k = 10.8;            } else if ((c > 0.55) && (c <= 0.6)) {                k = 11;            } else if ((c > 0.6) && (c <= 0.65)) {                k = 11.5;            } else if ((c > 0.65) && (c <= 0.7)) {                k = 11.8;            } else if ((c > 0.7) && (c <= 0.75)) {                k = 12;            } else if ((c > 0.75) && (c <= 0.8)) {                k = 12.5;            } else if ((c > 0.8) && (c <= 0.85)) {                k = 12.8;            } else if ((c > 0.85) && (c <= 0.9)) {                k = 13;            } else if ((c > 0.9) && (c <= 0.95)) {                k = 13.5;            } else if ((c > 0.95) && (c <= 1)) {                k = 14;            }            krit = (k * e) / (Math.pow((b / t), 2));            String d = valueOf(krit);            //перевод числа в строку            myTextField5.setText(d);            }            else if (checkbox2.isSelected()) {                if (c <= 0.1) {                    k = 8;                } else if ((c > 0.1) && (c <= 0.15)) {                    k = 8.2;                } else if ((c > 0.15) && (c <= 0.2)) {                    k = 8.4;                } else if ((c > 0.2) && (c <= 0.25)) {                    k = 8.5;                } else if ((c > 0.25) && (c <= 0.30)) {                    k = 8.6;                } else if ((c > 0.3) && (c <= 0.35)) {                    k = 8.7;                } else if ((c > 0.35) && (c <= 0.40)) {                    k = 8.9;                } else if ((c > 0.40) && (c <= 0.45)) {                    k = 9;                } else if ((c > 0.45) && (c <= 0.50)) {                    k = 9.2;                } else if ((c > 0.5) && (c <= 0.55)) {                    k = 9.4;                } else if ((c > 0.55) && (c <= 0.6)) {                    k = 9.5;                } else if ((c > 0.6) && (c <= 0.65)) {                    k = 9.7;                } else if ((c > 0.65) && (c <= 0.7)) {                    k = 10;                } else if ((c > 0.7) && (c <= 0.75)) {                    k = 10;                } else if ((c > 0.75) && (c <= 0.8)) {                    k = 10.2;                } else if ((c > 0.8) && (c <= 0.85)) {                    k = 10.5;                } else if ((c > 0.85) && (c <= 0.9)) {                    k = 10.6;                } else if ((c > 0.9) && (c <= 0.95)) {                    k = 11;                } else if ((c > 0.95) && (c <= 1)) {                    k = 11;                }            krit = (k * e) / (Math.pow((b / t), 2));            String d = valueOf(krit);            myTextField5.setText(d);            }        else if (checkbox3.isSelected()) {            if (c <= 0.1) {                k = 4.9;            } else if ((c > 0.1) && (c <= 0.15)) {                k = 5.1;            } else if ((c > 0.15) && (c <= 0.2)) {                k = 5.2;            } else if ((c > 0.2) && (c <= 0.25)) {                k = 5.5;            } else if ((c > 0.25) && (c <= 0.30)) {                k = 5.8;            } else if ((c > 0.3) && (c <= 0.35)) {                k = 6;            } else if ((c > 0.35) && (c <= 0.40)) {                k = 6.2;            } else if ((c > 0.40) && (c <= 0.45)) {                k = 6.5;            } else if ((c > 0.45) && (c <= 0.50)) {                k = 6.9;            } else if ((c > 0.5) && (c <= 0.55)) {                k = 7;            } else if ((c > 0.55) && (c <= 0.6)) {                k = 7.5;            } else if ((c > 0.6) && (c <= 0.65)) {                k = 8;            } else if ((c > 0.65) && (c <= 0.7)) {                k = 8.2;            } else if ((c > 0.7) && (c <= 0.75)) {                k = 8.5;            } else if ((c > 0.75) && (c <= 0.8)) {                k = 9.1;            } else if ((c > 0.8) && (c <= 0.85)) {                k = 9.5;            } else if ((c > 0.85) && (c <= 0.9)) {                k = 10;            } else if ((c > 0.9) && (c <= 0.95)) {                k = 10.5;            } else if ((c > 0.95) && (c <= 1)) {                k = 11;            }            krit = (k * e) / (Math.pow((b / t), 2));            String d = valueOf(krit);            myTextField5.setText(d);        }        else if (checkbox4.isSelected()) {            if (c <= 0.1) {                k = 4.8;            } else if ((c > 0.1) && (c <= 0.15)) {                k = 5;            } else if ((c > 0.15) && (c <= 0.2)) {                k = 5;            } else if ((c > 0.2) && (c <= 0.25)) {                k = 5.1;            } else if ((c > 0.25) && (c <= 0.30)) {                k = 5.2;            } else if ((c > 0.3) && (c <= 0.35)) {                k = 5.4;            } else if ((c > 0.35) && (c <= 0.40)) {                k = 5.5;            } else if ((c > 0.40) && (c <= 0.45)) {                k = 5.6;            } else if ((c > 0.45) && (c <= 0.50)) {                k = 5.9;            } else if ((c > 0.5) && (c <= 0.55)) {                k = 6;            } else if ((c > 0.55) && (c <= 0.6)) {                k = 6.2;            } else if ((c > 0.6) && (c <= 0.65)) {                k = 6.5;            } else if ((c > 0.65) && (c <= 0.7)) {                k = 6.7;            } else if ((c > 0.7) && (c <= 0.75)) {                k = 7;            } else if ((c > 0.75) && (c <= 0.8)) {                k = 7.1;            } else if ((c > 0.8) && (c <= 0.85)) {                k = 7.4;            } else if ((c > 0.85) && (c <= 0.9)) {                k = 7.8;            } else if ((c > 0.9) && (c <= 0.95)) {                k = 8;            } else if ((c > 0.95) && (c <= 1)) {                k = 8.3;            }            krit = (k * e) / (Math.pow((b / t), 2));            String d = valueOf(krit);            myTextField5.setText(d);        }        Double f = parseDouble(myTextField6.getText());            zapas = krit/f;            String g = valueOf(zapas);            myTextField7.setText(g);        }        }

public class AlphaNumericTextFormatter extends TextFormatter<String> {    /** The Constant ALPHA_NUMERIC_ONLY. */    //private static final String ALPHA_NUMERIC_ONLY = "^[a-zA-Z0-9]*$";    /** MAKE NUMERIC ONLY **/    private static final String DIGITS_ONLY = "^[0-9.]*$";    /**     * Instantiates a new alpha numeric text formatter.     */    public AlphaNumericTextFormatter() {        super(applyFilter(null));    }    /**     * Instantiates a new alpha numeric text formatter.     *     * @param maxLength     *            the max length     */    public AlphaNumericTextFormatter(int maxLength) {        super(applyFilter(new MaxLengthTextFormatter(maxLength).getFilter()));    }    /**     * Apply filter.     *     * @param filter     *            the filter     * @return the unary operator     */    private static UnaryOperator<Change> applyFilter(UnaryOperator<Change> filter) {        return change -> {            if (change.getControlNewText() != null && change.getControlNewText().matches(DIGITS_ONLY)) {                if (filter != null) {                    filter.apply(change);                }                return change;            }            return null;        };    }}

package sample;import java.util.function.UnaryOperator;import javafx.scene.control.TextFormatter;import javafx.scene.control.TextFormatter.Change;public class MaxLengthTextFormatter extends TextFormatter<String> {    private int maxLength;    public MaxLengthTextFormatter(final int maxLength) {        super(new UnaryOperator<Change>() {            public Change apply(Change change) {                if (change.isDeleted()) {                    if (change.getControlNewText().length() > maxLength) {                        change.setText(change.getText().substring(0, maxLength));                    }                } else if (change.getControlText().length() + change.getText().length() >= maxLength) {                    int maxPos = maxLength - change.getControlText().length();                    change.setText(change.getText().substring(0, maxPos));                }                return change;            }        });        this.maxLength = maxLength;    }    public int getMaxLength() {        return this.maxLength;    }}