{"id":639,"date":"2020-01-28T09:23:40","date_gmt":"2020-01-28T09:23:40","guid":{"rendered":"http:\/\/iludis.de\/?p=639"},"modified":"2022-04-20T10:08:51","modified_gmt":"2022-04-20T10:08:51","slug":"sourcecode-taschenrechner-app-javafx","status":"publish","type":"page","link":"https:\/\/iludis.de\/?page_id=639","title":{"rendered":"Sourcecode Taschenrechner-App JavaFX"},"content":{"rendered":"

Main:<\/p>\n

package sample;\r\n\r\nimport javafx.application.Application;\r\nimport javafx.fxml.FXMLLoader;\r\nimport javafx.scene.Parent;\r\nimport javafx.scene.Scene;\r\nimport javafx.stage.Stage;\r\n\r\npublic class Main extends Application {\r\n\r\n    @Override\r\n    public void start(Stage primaryStage) throws Exception{\r\n        Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));\r\n        primaryStage.setTitle("Calc");\r\n        primaryStage.setScene(new Scene(root, 190, 250));\r\n        primaryStage.show();\r\n    }\r\n\r\n\r\n    public static void main(String[] args) {\r\n        launch(args);\r\n    }\r\n}\r\n\r\n<\/pre>\n
Model:<\/p>\n
package sample;\r\n\r\npublic class Model {\r\n    int zahl=0;\r\n    int speicherzahl = 0;\r\n    String funktion = "";\r\n\r\n    public Model(){\r\n        System.out.println("Model initialisiert");\r\n    }\r\n    private void setZahl(int neueZahl){\r\n        this.zahl = neueZahl;\r\n    }\r\n    private void setSpeicherzahl(int neueZahl){\r\n        this.speicherzahl = neueZahl;\r\n    }\r\n    public int getZahl(){\r\n        return this.zahl;\r\n    }\r\n    public int getSpeicherzahl(){\r\n        return this.speicherzahl;\r\n    }\r\n    public void zahleingabe(int number) {\r\n        if (this.zahl>0) {\r\n            setZahl(zahl * 10 + number);\r\n        }\r\n        if (this.zahl == 0){\r\n            setZahl(number);\r\n        }\r\n    }\r\n    public void zahlruecknahme() {\r\n        setZahl(this.zahl \/ 10);\r\n        if(this.zahl==0){\r\n            this.funktion="";\r\n        }\r\n    }\r\n\r\n    public void machefunktion(String fkt) {\r\n        if (!fkt.equals("")) {\r\n            this.funktion = fkt;\r\n            setSpeicherzahl(getZahl());\r\n            setZahl(0);\r\n            System.out.println("funktion kapiert!");\r\n        }\r\n        if (fkt.equals("")) {\r\n            this.funktion = "";\r\n            setSpeicherzahl(0);\r\n        }\r\n    }\r\n\r\n    public void berechneErgebnis(){\r\n        switch (this.funktion){\r\n            case "plus":\r\n                setZahl(getZahl() + getSpeicherzahl());\r\n                break;\r\n            case "minus":\r\n                setZahl(getZahl() - getSpeicherzahl());\r\n                break;\r\n            case "mal":\r\n                setZahl(getZahl() * getSpeicherzahl());\r\n                break;\r\n            case "geteilt":\r\n                setZahl(getZahl() \/ getSpeicherzahl());\r\n                break;\r\n        }\r\n    }\r\n}<\/pre>\n
Controller:<\/p>\n
package sample;\r\nimport javafx.event.ActionEvent;\r\nimport javafx.fxml.FXML;\r\nimport javafx.scene.control.Button;\r\nimport javafx.scene.control.Label;\r\nimport javafx.scene.control.TextField;\r\n\r\npublic class Controller {\r\n    Model tmodell = new Model();\r\n\r\n    @FXML\r\n    private Button plus;\r\n\r\n    @FXML\r\n    private Button minus;\r\n\r\n    @FXML\r\n    private Button mal;\r\n\r\n    @FXML\r\n    private Button geteilt;\r\n\r\n    @FXML\r\n    private Button b1;\r\n\r\n    @FXML\r\n    private Button b2;\r\n\r\n    @FXML\r\n    private Button b3;\r\n\r\n    @FXML\r\n    private Button b4;\r\n\r\n    @FXML\r\n    private Button b5;\r\n\r\n    @FXML\r\n    private Button b6;\r\n\r\n    @FXML\r\n    private Button b7;\r\n\r\n    @FXML\r\n    private Button b8;\r\n\r\n    @FXML\r\n    private Button b9;\r\n\r\n    @FXML\r\n    private Button b0;\r\n\r\n    @FXML\r\n    private Button ce;\r\n\r\n    @FXML\r\n    private Button istgleichbutton;\r\n\r\n    @FXML\r\n    private TextField resultWindow;\r\n\r\n    @FXML\r\n    private Label opWindow;\r\n\r\n    @FXML\r\n    void istgleich(ActionEvent event) {\r\n        opWindow.setText(opWindow.getText() + " " + tmodell.getZahl() + " =");\r\n        tmodell.berechneErgebnis();\r\n        zahlausgabe();\r\n    }\r\n\r\n    @FXML\r\n    void funktionButton(ActionEvent event) {\r\n        Button Gedrueckt = (Button) event.getSource();\r\n        System.out.println(Gedrueckt);\r\n        String Buttonschrift = Gedrueckt.getText();\r\n        System.out.println(Buttonschrift);\r\n        String welcherButton = Gedrueckt.getId();\r\n        System.out.println(welcherButton);\r\n        tmodell.machefunktion(welcherButton);\r\n        opWindow.setText(String.valueOf(tmodell.getSpeicherzahl()) + " " + Buttonschrift);\r\n    }\r\n\r\n    @FXML\r\n    void reset(ActionEvent event) {\r\n        \r\n        tmodell.zahlruecknahme();\r\n        zahlausgabe();\r\n    }\r\n\r\n    @FXML\r\n    void zahlEingeben(ActionEvent event) {\r\n        Button Gedrueckt = (Button) event.getSource();\r\n        String welcherButton = Gedrueckt.getId();\r\n        int number = Integer.valueOf(welcherButton.substring(1,2));\r\n        tmodell.zahleingabe(number);\r\n        zahlausgabe();\r\n    }\r\n\r\n    void zahlausgabe(){\r\n        resultWindow.setText(String.valueOf(tmodell.getZahl()));\r\n    }\r\n}<\/pre>\n
 <\/p>\n
Sample.fxml:<\/p>\n
<?xml version="1.0" encoding="UTF-8"?>\r\n\r\n<?import javafx.geometry.Point3D?>\r\n<?import javafx.scene.control.Button?>\r\n<?import javafx.scene.control.Label?>\r\n<?import javafx.scene.control.TextField?>\r\n<?import javafx.scene.layout.AnchorPane?>\r\n<?import javafx.scene.layout.ColumnConstraints?>\r\n<?import javafx.scene.layout.GridPane?>\r\n<?import javafx.scene.layout.RowConstraints?>\r\n\r\n<GridPane alignment="center" hgap="10" vgap="10" xmlns="http:\/\/javafx.com\/javafx\/11.0.1" xmlns:fx="http:\/\/javafx.com\/fxml\/1" fx:controller="sample.Controller">\r\n   <columnConstraints>\r\n      <ColumnConstraints \/>\r\n   <\/columnConstraints>\r\n   <rowConstraints>\r\n      <RowConstraints \/>\r\n   <\/rowConstraints>\r\n   <children>\r\n      <AnchorPane prefHeight="250.0" prefWidth="190.0">\r\n         <children>\r\n            <Button fx:id="plus" layoutX="20.0" layoutY="78.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#funktionButton" prefHeight="30.0" prefWidth="30.0" text="+" \/>\r\n            <Button fx:id="minus" layoutX="59.0" layoutY="78.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#funktionButton" prefHeight="30.0" prefWidth="30.0" text="-" \/>\r\n            <Button fx:id="mal" layoutX="99.0" layoutY="78.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#funktionButton" prefHeight="30.0" prefWidth="30.0" text="*" \/>\r\n            <Button fx:id="geteilt" layoutX="139.0" layoutY="78.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#funktionButton" prefHeight="30.0" prefWidth="30.0" text=":" \/>\r\n            <Button fx:id="b1" layoutX="20.0" layoutY="118.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="1" \/>\r\n            <Button fx:id="b2" layoutX="59.0" layoutY="118.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="2" \/>\r\n            <Button fx:id="b3" layoutX="99.0" layoutY="118.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="3" \/>\r\n            <Button fx:id="b4" layoutX="139.0" layoutY="118.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="4" \/>\r\n            <Button fx:id="b5" layoutX="20.0" layoutY="158.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="5">\r\n               <rotationAxis>\r\n                  <Point3D x="-3.0" z="1.0" \/>\r\n               <\/rotationAxis>\r\n            <\/Button>\r\n            <Button fx:id="b6" layoutX="59.0" layoutY="158.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="6">\r\n               <rotationAxis>\r\n                  <Point3D x="-3.0" z="1.0" \/>\r\n               <\/rotationAxis>\r\n            <\/Button>\r\n            <Button fx:id="b7" layoutX="99.0" layoutY="158.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="7">\r\n               <rotationAxis>\r\n                  <Point3D x="-3.0" z="1.0" \/>\r\n               <\/rotationAxis>\r\n            <\/Button>\r\n            <Button fx:id="b8" layoutX="139.0" layoutY="158.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="8">\r\n               <rotationAxis>\r\n                  <Point3D x="-3.0" z="1.0" \/>\r\n               <\/rotationAxis>\r\n            <\/Button>\r\n            <Button fx:id="b9" layoutX="20.0" layoutY="198.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="9" \/>\r\n            <Button fx:id="b0" layoutX="59.0" layoutY="198.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#zahlEingeben" prefHeight="30.0" prefWidth="30.0" text="0" \/>\r\n            <Button fx:id="ce" layoutX="99.0" layoutY="198.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#reset" prefHeight="30.0" prefWidth="30.0" text="ce" \/>\r\n            <Button fx:id="istgleichbutton" layoutX="139.0" layoutY="198.0" maxHeight="30.0" maxWidth="30.0" minHeight="30.0" minWidth="30.0" mnemonicParsing="false" onAction="#istgleich" prefHeight="30.0" prefWidth="30.0" text="=" \/>\r\n            <TextField fx:id="resultWindow" alignment="CENTER_RIGHT" layoutX="21.0" layoutY="43.0" promptText="0" \/>\r\n            <Label fx:id="opWindow" alignment="CENTER_RIGHT" contentDisplay="RIGHT" layoutX="21.0" layoutY="20.0" prefHeight="17.0" prefWidth="149.0" text=" " \/>\r\n         <\/children>\r\n      <\/AnchorPane>\r\n   <\/children>\r\n<\/GridPane><\/pre>\n","protected":false},"excerpt":{"rendered":"
Main: 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) throws Exception{ Parent root = FXMLLoader.load(getClass().getResource("sample.fxml")); primaryStage.setTitle("Calc"); primaryStage.setScene(new Scene(root, 190, 250)); primaryStage.show(); } public static void main(String[] args) { launch(args); } } Model: package sample; public class Model { int zahl=0;… <\/p>\n
Read more Sourcecode Taschenrechner-App JavaFX<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":{"0":"post-639","1":"page","2":"type-page","3":"status-publish","5":"entry"},"_links":{"self":[{"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/pages\/639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/iludis.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=639"}],"version-history":[{"count":0,"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/pages\/639\/revisions"}],"wp:attachment":[{"href":"https:\/\/iludis.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}