{"id":642,"date":"2020-02-27T12:54:43","date_gmt":"2020-02-27T12:54:43","guid":{"rendered":"http:\/\/iludis.de\/?p=642"},"modified":"2022-04-20T10:08:44","modified_gmt":"2022-04-20T10:08:44","slug":"javafx-taschenrechner-florian-s","status":"publish","type":"page","link":"https:\/\/iludis.de\/?page_id=642","title":{"rendered":"JavaFX-Taschenrechner Florian S."},"content":{"rendered":"

Main.java:<\/h3>\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\npublic void start(Stage primaryStage) throws Exception{\r\nParent root = FXMLLoader.load(getClass().getResource("sample.fxml"));\r\nprimaryStage.setTitle("Taschenrechner");\r\nprimaryStage.setScene(new Scene(root, 230, 280));\r\nprimaryStage.show();\r\n}\r\n\r\npublic static void main(String[] args) {\r\nlaunch(args);\r\n}\r\n}<\/pre>\n
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Controller.java:<\/h3>\n
package sample;\r\n\r\nimport javafx.fxml.FXML;\r\nimport javafx.scene.control.Button;\r\nimport javafx.scene.control.Label;\r\nimport javafx.event.ActionEvent;\r\n\r\npublic class Controller {\r\nprivate Model tmodel = new Model();\r\n@FXML\r\nprivate Button ButtonPlus;\r\n@FXML\r\nprivate Button ButtonMinus;\r\n@FXML\r\nprivate Button ButtonMal;\r\n@FXML\r\nprivate Button ButtonDurch;\r\n@FXML\r\nprivate Button ButtonEins;\r\n@FXML\r\nprivate Button ButtonZwei;\r\n@FXML\r\nprivate Button ButtonDrei;\r\n@FXML\r\nprivate Button ButtonVier;\r\n@FXML\r\nprivate Button ButtonFuenf;\r\n@FXML\r\nprivate Button ButtonSechs;\r\n@FXML\r\nprivate Button ButtonSieben;\r\n@FXML\r\nprivate Button ButtonAcht;\r\n@FXML\r\nprivate Button ButtonNeun;\r\n@FXML\r\nprivate Button ButtonNull;\r\n@FXML\r\nprivate Button ButtonGleich;\r\n@FXML\r\nprivate Button ButtonCE;\r\n@FXML\r\nprivate Button ButtonCLX;\r\n@FXML\r\nprivate Label Label1;\r\n\r\npublic void ButtonPressed(ActionEvent event) {\r\nButton pressedButton = (Button) event.getSource();\r\nString ButtonTag = pressedButton.getText();\r\nint int1 = Integer.valueOf(Label1.getText());\r\nif (String.valueOf(tmodel.getVar1()).equals("0")) {\r\ntmodel.setVar1(int1);\r\nSystem.out.println("var1 gesetzt:");\r\nSystem.out.println(tmodel.getVar1());\r\n}\r\nelse {\r\ntmodel.setVar2(Integer.valueOf(Label1.getText()));\r\nSystem.out.println("var2 gesetzt:");\r\nSystem.out.println(tmodel.getVar2());\r\ntmodel.ForceExecute(ButtonTag);\r\n}\r\nLabel1.setText("0");\r\nif (ButtonTag.equals(ButtonPlus.getText())) {\r\ntmodel.setStr1("+");\r\n} else if (ButtonTag.equals(ButtonMinus.getText())) {\r\ntmodel.setStr1("-");\r\n} else if (ButtonTag.equals(ButtonMal.getText())) {\r\ntmodel.setStr1("*");\r\n} else if (ButtonTag.equals(ButtonDurch.getText())) {\r\ntmodel.setStr1("\/");\r\n}\r\nLabel1.setText("0");\r\n}\r\npublic void NumPressed(ActionEvent event) {\r\nButton pressedButton = (Button) event.getSource();\r\nString ButtonTag = pressedButton.getText();\r\nint oldNum = Integer.valueOf(Label1.getText());\r\nint newNum = tmodel.CalcNewNum(oldNum, Integer.valueOf(ButtonTag));\r\nLabel1.setText(String.valueOf(newNum));\r\n}\r\npublic void SpecialButton(ActionEvent event) {\r\nint ergebnis = 0;\r\nButton pressedButton = (Button) event.getSource();\r\nString ButtonTag = pressedButton.getText();\r\nif (ButtonTag.equals("CE")) {\r\nLabel1.setText(String.valueOf(Integer.valueOf(Label1.getText())\/10));\r\n}\r\nelse if (ButtonTag.equals("=")) {\r\nSystem.out.println("ausrechnen");\r\ntmodel.setVar2(Integer.valueOf(Label1.getText()));\r\nSystem.out.println("var2 gesetzt:");\r\nSystem.out.println(tmodel.getVar2());\r\nif (tmodel.getStr1().equals("+")) {\r\nergebnis = tmodel.Addieren();\r\n} else if (tmodel.getStr1().equals("-")) {\r\nergebnis = tmodel.Subtrahieren();\r\n} else if (tmodel.getStr1().equals("*")) {\r\nergebnis = tmodel.Multiplizieren();\r\n} else if (tmodel.getStr1().equals("\/")) {\r\nergebnis = tmodel.Dividieren();\r\n}\r\n\r\nif (tmodel.getState() == 1) {\r\nergebnis = tmodel.Ausrechnen(ergebnis);\r\ntmodel.setState(0);\r\n}\r\nSystem.out.println(ergebnis);\r\nLabel1.setText(String.valueOf(ergebnis));\r\ntmodel.setVar1(0);\r\ntmodel.setVar2(0);\r\ntmodel.setVar3(0);\r\ntmodel.setStr1("");\r\ntmodel.setStr2("");\r\ntmodel.setStr3("");\r\n}\r\nelse if (ButtonTag.equals("CLX")) {\r\nLabel1.setText("0");\r\ntmodel.setVar1(0);\r\ntmodel.setVar2(0);\r\ntmodel.setVar3(0);\r\ntmodel.setStr1("");\r\ntmodel.setStr2("");\r\ntmodel.setStr3("");\r\ntmodel.setState(0);\r\n}\r\n}\r\n}<\/pre>\n
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Model.java:<\/h3>\n
package sample;\r\n\r\npublic class Model {\r\nprivate int var1 = 0;\r\nprivate int var2 = 0;\r\nprivate int var3 = 0;\r\nprivate String str1 = "";\r\nprivate String str2 = "";\r\nprivate String str3 = "";\r\nprivate int state = 0;\r\npublic int Addieren() {\r\nSystem.out.println("addieren");\r\nreturn var1 + var2;\r\n}\r\npublic int Subtrahieren() {\r\nSystem.out.println("subtrahieren");\r\nreturn var1 - var2;\r\n}\r\npublic int Multiplizieren() {\r\nSystem.out.println("multiplizieren");\r\nreturn var1 * var2;\r\n}\r\npublic int Dividieren() {\r\nSystem.out.println("dividieren");\r\nreturn var1 \/ var2;\r\n}\r\npublic int getVar1() {\r\nreturn var1;\r\n}\r\npublic void setVar1(int int1) {\r\nvar1 = int1;\r\n}\r\npublic int getVar2() {\r\nreturn var2;\r\n}\r\npublic void setVar2(int int1) {\r\nvar2 = int1;\r\n}\r\npublic int getVar3() {\r\nreturn var3;\r\n}\r\npublic void setVar3(int int1){\r\nvar3 = int1;\r\n}\r\npublic String getStr1() {\r\nreturn str1;\r\n}\r\npublic void setStr1(String str) {\r\nstr1 = str;\r\n}\r\npublic String getStr2() {\r\nreturn str2;\r\n}\r\npublic void setStr2(String str){\r\nstr2 = str;\r\n}\r\npublic String getStr3() {\r\nreturn str3;\r\n}\r\npublic void setStr3(String str){\r\nstr3 = str;\r\n}\r\npublic int getState() {\r\nreturn state;\r\n}\r\npublic void setState(int int1) {\r\nstate = int1;\r\n}\r\npublic int CalcNewNum (int oldNum, int preNum) {\r\nreturn oldNum*10+preNum;\r\n}\r\npublic void ForceExecute (String ButtonTag) {\r\nif (ButtonTag.equals("+") || ButtonTag.equals("-")) {\r\nif (str1.equals("+")) {\r\nvar1 = Addieren();\r\n} else if (str1.equals("-")) {\r\nvar1 = Subtrahieren();\r\n} else if (str1.equals("*")) {\r\nvar1 = Multiplizieren();\r\n} else if (str1.equals("\/")) {\r\nvar1 = Dividieren();\r\n}\r\nif (state == 1) {\r\nif (str3.equals("+")) {\r\nvar1 = var3 + var1;\r\n}\r\nelse if (str3.equals("-")) {\r\nvar1 = var3 - var2;\r\n}\r\nstate = 0;\r\n}\r\n}\r\nelse if (ButtonTag.equals("*") || ButtonTag.equals("\/")) {\r\nif (str1.equals("*")) {\r\nvar1 = Multiplizieren();\r\n}\r\nelse if (str1.equals("\/")) {\r\nvar1 = Dividieren();\r\n}\r\nelse if (state == 0) {\r\nstate = 1;\r\nvar3 = var1;\r\nvar1 = var2;\r\nvar2 = 0;\r\nstr3 = str1;\r\n}\r\nelse if (state == 1) {\r\nif (str2.equals("+")) {\r\nvar1 = Addieren();\r\n} else if (str2.equals("-")) {\r\nvar1 = Subtrahieren();\r\n} else if (str2.equals("*")) {\r\nvar1 = Multiplizieren();\r\n} else if (str2.equals("\/")) {\r\nvar1 = Dividieren();\r\n}\r\n}\r\n}\r\nstr2 = ButtonTag;\r\n\r\n}\r\npublic int Ausrechnen (int int1) {\r\nint ergebnis = 0;\r\nif (str3.equals("+")) {\r\nergebnis = var3 + int1;\r\n}\r\nelse if ( str3.equals("-")) {\r\nergebnis = var3 - int1;\r\n}\r\nreturn ergebnis;\r\n}\r\n}<\/pre>\n
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Sample.fxml:<\/h3>\n
<?xml version="1.0" encoding="UTF-8"?>\r\n\r\n<?import javafx.scene.control.Button?>\r\n<?import javafx.scene.control.Label?>\r\n<?import javafx.scene.layout.ColumnConstraints?>\r\n<?import javafx.scene.layout.GridPane?>\r\n<?import javafx.scene.layout.Pane?>\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<\/columnConstraints>\r\n<rowConstraints>\r\n<RowConstraints \/>\r\n<\/rowConstraints>\r\n<children>\r\n<Pane prefHeight="280.0" prefWidth="230.0">\r\n<children>\r\n<Label fx:id="Label1" layoutX="64.0" layoutY="28.0" prefHeight="17.0" prefWidth="209.0" text="0" \/>\r\n<Button fx:id="ButtonPlus" layoutX="201.0" layoutY="73.0" mnemonicParsing="false" onAction="#ButtonPressed" text="+" \/>\r\n<Button fx:id="ButtonMinus" layoutX="202.0" layoutY="123.0" mnemonicParsing="false" onAction="#ButtonPressed" text="-" \/>\r\n<Button fx:id="ButtonMal" layoutX="201.0" layoutY="173.0" mnemonicParsing="false" onAction="#ButtonPressed" text="*" \/>\r\n<Button fx:id="ButtonDurch" layoutX="201.0" layoutY="223.0" mnemonicParsing="false" onAction="#ButtonPressed" text="\/" \/>\r\n<Button fx:id="ButtonDrei" layoutX="157.0" layoutY="73.0" mnemonicParsing="false" onAction="#NumPressed" text="3" \/>\r\n<Button fx:id="ButtonZwei" layoutX="113.0" layoutY="73.0" mnemonicParsing="false" onAction="#NumPressed" text="2" \/>\r\n<Button fx:id="ButtonEins" layoutX="68.0" layoutY="73.0" mnemonicParsing="false" onAction="#NumPressed" text="1" \/>\r\n<Button fx:id="ButtonVier" layoutX="67.0" layoutY="123.0" mnemonicParsing="false" onAction="#NumPressed" text="4" \/>\r\n<Button fx:id="ButtonFuenf" layoutX="113.0" layoutY="123.0" mnemonicParsing="false" onAction="#NumPressed" text="5" \/>\r\n<Button fx:id="ButtonSechs" layoutX="157.0" layoutY="123.0" mnemonicParsing="false" onAction="#NumPressed" text="6" \/>\r\n<Button fx:id="ButtonSieben" layoutX="68.0" layoutY="173.0" mnemonicParsing="false" onAction="#NumPressed" text="7" \/>\r\n<Button fx:id="ButtonAcht" layoutX="113.0" layoutY="173.0" mnemonicParsing="false" onAction="#NumPressed" text="8" \/>\r\n<Button fx:id="ButtonNeun" layoutX="157.0" layoutY="173.0" mnemonicParsing="false" onAction="#NumPressed" text="9" \/>\r\n<Button fx:id="ButtonCE" layoutX="64.0" layoutY="223.0" mnemonicParsing="false" onAction="#SpecialButton" text="CE" \/>\r\n<Button fx:id="ButtonNull" layoutX="113.0" layoutY="223.0" mnemonicParsing="false" onAction="#NumPressed" text="0" \/>\r\n<Button fx:id="ButtonGleich" layoutX="156.0" layoutY="223.0" mnemonicParsing="false" onAction="#SpecialButton" text="=" \/>\r\n<Button fx:id="ButtonCLX" layoutX="14.0" layoutY="223.0" mnemonicParsing="false" onAction="#SpecialButton" text="CLX" \/>\r\n<\/children>\r\n<\/Pane>\r\n<\/children>\r\n<\/GridPane><\/pre>\n
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Vielen Dank an Florian f\u00fcr das zur Verf\u00fcgung stellen des Codes! \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"
Main.java: 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("Taschenrechner"); primaryStage.setScene(new Scene(root, 230, 280)); primaryStage.show(); } public static void main(String[] args) { launch(args); } }   Controller.java: package sample; import javafx.fxml.FXML; import javafx.scene.control.Button; import… <\/p>\n
Read more JavaFX-Taschenrechner Florian S.<\/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-642","1":"page","2":"type-page","3":"status-publish","5":"entry"},"_links":{"self":[{"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/pages\/642","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=642"}],"version-history":[{"count":0,"href":"https:\/\/iludis.de\/index.php?rest_route=\/wp\/v2\/pages\/642\/revisions"}],"wp:attachment":[{"href":"https:\/\/iludis.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}