added loading file and status

src/main/java/brainfuck/gui/Controller.java

@@ -1,14 +1,17 @@
 package brainfuck.gui;
 
 import brainfuck.interpreter.BfInterpreter;
+import brainfuck.interpreter.Main;
 import javafx.fxml.FXML;
-import javafx.scene.control.Alert;
+import javafx.scene.control.*;
-import javafx.scene.control.Button;
-import javafx.scene.control.Menu;
-import javafx.scene.control.MenuBar;
-import javafx.scene.control.MenuItem;
-import javafx.scene.control.TextArea;
 import javafx.scene.control.Alert.AlertType;
+import javafx.scene.layout.AnchorPane;
+import javafx.stage.FileChooser;
+import org.apache.commons.io.IOUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.nio.charset.StandardCharsets;
 
 public class Controller {
     @FXML
@@ -29,22 +32,64 @@ public class Controller {
     @FXML
     private Button loadButton;
 
+    @FXML
+    private AnchorPane rootPane;
+
+    @FXML
+    private Label statusText;
+
     public void initialize() {
+        changeStatus("Idle", "#9a9c9a");
         saveMenu.setOnAction(e -> {
             System.out.println("menu clicked");
         });
 
         interpretButton.setOnAction(e -> {
+            changeStatus("Interpreting...", "#28fff5");
             try {
                 interpretFromText();
             } catch (Exception e1) {
                 e1.printStackTrace();
             }
+            changeStatus("Done!", "#00ff12");
+        });
+
+        loadButton.setOnAction(e -> {
+            FileChooser fileChooser = new FileChooser();
+            fileChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter("Brainfuck file", ".bf", ".b"));
+            fileChooser.setTitle("Choose file to import");
+
+            changeStatus("Interpreting...", "#28fff5");
+            try {
+                File selected = fileChooser.showOpenDialog(rootPane.getScene().getWindow());
+
+                if (selected == null) {
+                    changeStatus("Idle", "#9a9c9a");
+                    return;
+                }
+
+                FileInputStream fileInputStream = new FileInputStream(selected);
+                String input = IOUtils.toString(fileInputStream, StandardCharsets.UTF_8);
+
+                textinput.setText(input);
+                BfInterpreter interpreter = new BfInterpreter("");
+                interpreter.setCodeFromFile(selected);
+                String interpreted = interpreter.interpret();
+                textoutput.setText(interpreted);
+            } catch (Exception ex) {
+                ex.printStackTrace();
+            }
+            changeStatus("Done!", "#00ff12");
         });
 
         // interpretButton.setSkin(new ScaleSkin(interpretButton));
     }
 
+    private void changeStatus(String text, String color) {
+        statusText.setStyle("-fx-text-fill: " + color);
+        statusText.setText(text);
+    }
+
     private void interpretFromText() throws Exception {
         String inputCode = textinput.getText();
         if (inputCode == null || inputCode.isEmpty()) {
@@ -56,7 +101,7 @@ public class Controller {
             textoutput.setText(interpreted);
         }
 
-        
+
     }
 
 }

src/main/java/brainfuck/interpreter/BfInterpreter.java

@@ -1,7 +1,10 @@
 package brainfuck.interpreter;
 
+import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.Scanner;
 
 import org.apache.commons.io.IOUtils;
@@ -36,11 +39,16 @@ public class BfInterpreter {
         String res = "";
 
         FileInputStream fis = new FileInputStream(fileName);
-        code = IOUtils.toString(fis, "UTF-8");
+        code = IOUtils.toString(fis, StandardCharsets.UTF_8);
         // System.out.println("code is: " + code);
 
     }
 
+    public void setCodeFromFile(File file) throws IOException {
+        FileInputStream fileInputStream = new FileInputStream(file);
+        code = IOUtils.toString(fileInputStream, StandardCharsets.UTF_8);
+    }
+
     public String interpret() {
         int loop = 0;
         StringBuilder result = new StringBuilder();

src/main/java/brainfuck/interpreter/Main.java

@@ -14,6 +14,7 @@ import javafx.stage.Stage;
  * Main
  */
 public class Main extends Application {
+    private Stage stage;
 
     public static void main(String[] args) {
         String excl = ">,[[----------[                    >>>[>>>>]+[[-]+<[->>>>++>>>>+[>>>>]++[->+<<<<<]]<<<]                    ++++++[>------<-]>--[>>[->>>>]+>+[<<<<]>-],<                ]>            ]>>>++>+>>[                <<[>>>>[-]+++++++++<[>-<-]+++++++++>[-[<->-]+[<<<<]]<[>+<-]>]                >[>[>>>>]+[[-]<[+[->>>>]>+<]>[<+>[<<<<]]+<<<<]>>>[->>>>]+>+[<<<<]]                >[[>+>>[<<<<+>>>>-]>]<<<<[-]>[-<<<<]]>>>>>>>            ]>>+[[-]++++++>>>>]<<<<[[<++++++++>-]<.[-]<[-]<[-]<]<,        ]";
@@ -24,6 +25,7 @@ public class Main extends Application {
 
     @Override
     public void start(Stage stage) throws Exception {
+        this.stage = stage;
         Parent pane = FXMLLoader.load(getClass().getResource("/fxml/layout.fxml"));
         Scene scene = new Scene(pane);
         scene.getStylesheets().add("/css/menuBar.css");
@@ -33,4 +35,8 @@ public class Main extends Application {
         stage.show();
 
     }
+
+    public Stage getStage() {
+        return this.stage;
+    }
 }

src/main/resources/css/stylesheet.css

@@ -13,13 +13,14 @@
 .textbox {
     -fx-text-fill: rgb(33, 189, 33);
 }
+
 .textbox .content {
     -fx-background-color: rgb(43, 43, 43);
     -fx-text-fill: rgb(33, 189, 33);
 }
 
 
-.dialog-pane>.content {
+.dialog-pane > .content {
     -fx-text-fill: -fx-button-color;
     -fx-font-weight: bold;
     -fx-font-size: 14px;
@@ -28,16 +29,16 @@
 }
 
 
-.dialog-pane>.header-panel {
+.dialog-pane > .header-panel {
     -fx-text-fill: -fx-button-color;
     -fx-font-size: 14px;
     -fx-padding: 0.833em 0 0 0.833em;
     /* 10px 0px 0px 10px */
 }
 
-.dialog-pane>.header-panel>.label {
+.dialog-pane > .header-panel > .label {
     -fx-text-fill: -fx-button-color;
     -fx-font-size: 14px;
     -fx-padding: 0.833em 0 0 0.833em;
     /* 10px 0px 0px 10px */
-}
+}

src/main/resources/fxml/layout.fxml

@@ -1,15 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.scene.text.*?>
-<?import com.jfoenix.controls.*?>
 <?import java.lang.*?>
-<?import java.util.*?>
-<?import javafx.scene.*?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
+<?import javafx.scene.text.*?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.Menu?>
+<?import javafx.scene.control.MenuBar?>
+<?import javafx.scene.control.MenuItem?>
+<?import javafx.scene.control.TextArea?>
+<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.text.Font?>
 
-
+<AnchorPane fx:id="rootPane" prefHeight="800.0" prefWidth="1200.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="brainfuck.gui.Controller">
-<AnchorPane prefHeight="800.0" prefWidth="1200.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="brainfuck.gui.Controller">
    <children>
       <MenuBar fx:id="menuBar">
         <menus>
@@ -25,12 +30,22 @@
             <Font name="Consolas" size="14.0" />
          </font>
       </TextArea>
-      <TextArea fx:id="textoutput" editable="false" layoutX="637.0" layoutY="182.0" prefHeight="317.0" prefWidth="357.0" styleClass="textbox" wrapText="true">
+      <TextArea fx:id="textoutput" editable="false" layoutX="637.0" layoutY="182.0" prefHeight="512.0" prefWidth="496.0" styleClass="textbox">
          <font>
             <Font name="Consolas" size="14.0" />
          </font>
       </TextArea>
-      <Button fx:id="interpretButton" layoutX="418.0" layoutY="499.0" mnemonicParsing="false" text="Interpret" />
+      <HBox layoutX="637.0" layoutY="694.0" prefHeight="25.0" prefWidth="496.0" spacing="10.0">
-      <Button fx:id="loadButton" layoutX="124.0" layoutY="499.0" mnemonicParsing="false" text="Load from file" />
+         <children>
+            <Label styleClass="status" text="Status:" textFill="#b5b5b5" />
+            <Label fx:id="statusText" styleClass="status" text="idle" />
+         </children>
+      </HBox>
+      <HBox layoutX="124.0" layoutY="499.0" prefHeight="25.0" prefWidth="357.0" spacing="10.0">
+         <children>
+            <Button fx:id="loadButton" mnemonicParsing="false" text="Load from file" />
+            <Button fx:id="interpretButton" mnemonicParsing="false" text="Interpret" />
+         </children>
+      </HBox>
    </children>
 </AnchorPane>