Fehlermeldung bei 250 Zeichen

src/main/java/projekt/enigma/GuiController.java

@@ -54,7 +54,7 @@ public class GuiController {
             mBtnStartPos1, mBtnStartPos2, mBtnStartPos3;
     //deklariert die benötigten Textfelder
     @FXML
-    private TextField tfCodiert, tfKlartext;
+    private TextArea tfCodiert, tfKlartext;
     //deklariert benötigtes GridPane
     @FXML
     private ChkBoxGridPane[] chkBoxGridPane;
@@ -668,6 +668,9 @@ public class GuiController {
             mBtnStartPos1.setText(String.valueOf(this.codierer.fetchWalzen()[0]));
             mBtnStartPos2.setText(String.valueOf(this.codierer.fetchWalzen()[1]));
             mBtnStartPos3.setText(String.valueOf(this.codierer.fetchWalzen()[2]));
+        } else {
+            new Fehler().showErrorDialog("error", "Du Labertasche!", "250 Zeichen sind " +
+                    "selbst für die Wehrmacht zu viel!");
         }
     }
 

src/main/java/projekt/enigma/model/Walze.java

@@ -113,7 +113,7 @@ public class Walze {
 	 * @return char : decodierter Buchstabe.
 	 */
 	char codiere2(char buchstabe) {
-		return this.alphabet.charAt((this.fetchWalze().indexOf(buchstabe) - this.turns + 260) % 26);
+		return this.alphabet.charAt((this.fetchWalze().indexOf(buchstabe) - this.turns + 520) % 26);
 	}
 
 	/**

src/main/resources/projekt/enigma/gui.fxml

 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.geometry.*?>
-<?import javafx.scene.control.*?>
-<?import javafx.scene.layout.*?>
-<?import javafx.scene.shape.*?>
-<?import javafx.scene.text.*?>
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.MenuButton?>
+<?import javafx.scene.control.ProgressIndicator?>
+<?import javafx.scene.control.TextArea?>
+<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.Pane?>
+<?import javafx.scene.layout.RowConstraints?>
+<?import javafx.scene.shape.Circle?>
+<?import javafx.scene.text.Font?>
 
-<AnchorPane fx:id="anchorPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="677.0" prefWidth="962.0" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="projekt.enigma.GuiController">
+<AnchorPane fx:id="anchorPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="677.0" prefWidth="962.0" xmlns="http://javafx.com/javafx/8.0.171" xmlns:fx="http://javafx.com/fxml/1" fx:controller="projekt.enigma.GuiController">
     <GridPane layoutX="23.0" layoutY="60.0" prefHeight="158.0" prefWidth="237.0" AnchorPane.leftAnchor="23.0" AnchorPane.topAnchor="60.0">
         <columnConstraints>
             <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
@@ -585,12 +593,6 @@
             <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
             <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
         </rowConstraints>
-        <TextField fx:id="tfKlartext" editable="false" prefHeight="70.0" prefWidth="293.0">
-            <GridPane.margin>
-                <Insets />
-            </GridPane.margin>
-        </TextField>
-        <TextField fx:id="tfCodiert" editable="false" prefHeight="70.0" prefWidth="293.0" GridPane.rowIndex="1" />
         <Button fx:id="btnSenden" alignment="CENTER" contentDisplay="RIGHT" mnemonicParsing="false" onAction="#gedrueckteTaste" prefHeight="70.0" prefWidth="195.0" text="An Funker senden" textAlignment="CENTER" GridPane.columnIndex="1">
             <GridPane.margin>
                 <Insets left="80.0" />
@@ -601,6 +603,16 @@
                 <Insets left="80.0" />
             </GridPane.margin>
         </Button>
+      <TextArea fx:id="tfKlartext" prefHeight="66.0" prefWidth="293.0" wrapText="true">
+         <GridPane.margin>
+            <Insets bottom="5.0" top="5.0" />
+         </GridPane.margin>
+      </TextArea>
+      <TextArea fx:id="tfCodiert" prefHeight="200.0" prefWidth="200.0" wrapText="true" GridPane.rowIndex="1">
+         <GridPane.margin>
+            <Insets bottom="5.0" top="5.0" />
+         </GridPane.margin>
+      </TextArea>
     </GridPane>
     <Label fx:id="lblKenngruppe" layoutX="682.0" layoutY="34.0" prefHeight="17.0" prefWidth="177.0" />
     <Pane layoutX="266.0" layoutY="194.0" prefHeight="200.0" prefWidth="354.0" style="-fx-background-color: white; -fx-border-color: black;" visible="false">