EditorController.java

import java.io.*;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.ResourceBundle;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.Pane;
import javafx.scene.text.Font;
import javafx.stage.Stage;

public class EditorController {

	public String levelName = "untitled";

	public int levelX = 8;
	public int levelY = 8;

	public static double step = 32;

	public static Stage stage;

	public ObjektTyp selectedTyp;

	File level;

	public ArrayList<String> levelChars = new ArrayList<>();

	RandomAccessFile levelRam;



	@FXML
	private ResourceBundle resources;

	@FXML
	private URL location;

	@FXML
	private Font x3;

	@FXML
	private TextField levelNumber;

	@FXML
	private Pane pullyWindow;

	@FXML
	private ImageView selected;



	@FXML
	private TextField levelXSize;

	@FXML
	private TextField levelYSize;

	@FXML
	void levelNameChange(ActionEvent event) {
		levelName = levelNumber.getText();
		stage.setTitle("Pully Editor - " + levelName);
	}

	@FXML
	void levelXSizeChange(ActionEvent event) {

		levelX = Integer.parseInt(levelXSize.getText());
		pullyWindow.setPrefSize(step*levelX, step*levelY);
		buildMap();

	}

	@FXML
	void levelYSizeChange(ActionEvent event) {
		levelY = Integer.parseInt(levelYSize.getText());
		pullyWindow.setPrefSize(step*levelX, step*levelY);
		buildMap();


	}

	@FXML
	void mouseClicked(MouseEvent event) throws IOException {
		int x = Integer.parseInt((event.getX()/32 + "").substring(0,1));
		int y = Integer.parseInt((event.getY()/32 + "").substring(0,1));
		System.out.println("(" + x + "; " + y + ")");
		try {
			addToLevel(x, y, selectedTyp.c);
		} catch (StringIndexOutOfBoundsException e) {
			buildMap();
		}

	}

	@FXML
	void openSizeDialog(ActionEvent event) throws IOException {
		Stage stage = new Stage();
		Parent root = FXMLLoader.load(getClass().getResource("SizeDialog.fxml"));
		stage.setScene(new Scene(root, 900, 700));
		stage.setTitle("Change Board Size");
		stage.show();
		buildMap();
	}

	@FXML
	void selBlueSpace(ActionEvent event) {
		selected.setImage(new Image("BlueSpace.png"));
		selectedTyp = ObjektTyp.ballFeldBlue;
	}

	@FXML
	void selCrate(ActionEvent event) {
		selected.setImage(new Image("Crate.png"));
		selectedTyp = ObjektTyp.kiste;
	}

	@FXML
	void selGreenBall(ActionEvent event) {
		selected.setImage(new Image("GreenBall.png"));
		selectedTyp = ObjektTyp.ballGreen;
	}

	@FXML
	void selGreenSpace(ActionEvent event) {
		selected.setImage(new Image("GreenSpace.png"));
		selectedTyp = ObjektTyp.ballFeldGreen;
	}

	@FXML
	void selPully(ActionEvent event) {
		selected.setImage(new Image("Pully.png"));
		selectedTyp = ObjektTyp.pully;
	}

	@FXML
	void selRedBall(ActionEvent event) {
		selected.setImage(new Image("RedBall.png"));
		selectedTyp = ObjektTyp.ballRed;
	}

	@FXML
	void selRedSpace(ActionEvent event) {
		selected.setImage(new Image("RedSpace.png"));
		selectedTyp = ObjektTyp.ballFeldRed;
	}

	@FXML
	void selSpace(ActionEvent event) {
		selected.setImage(new Image("Space.png"));
		selectedTyp = ObjektTyp.leer;
	}

	@FXML
	void selWall(ActionEvent event) {
		selected.setImage(new Image("Wall.png"));
		selectedTyp = ObjektTyp.wall;
	}

	@FXML
	void sellBlueBall(ActionEvent event) {
		selected.setImage(new Image("BlueBall.png"));
		selectedTyp = ObjektTyp.ballBlue;
	}

	@FXML
	void sellHaus(ActionEvent event) {
		selected.setImage(new Image("Haus.png"));
		selectedTyp = ObjektTyp.haus;
	}

	@FXML
	void sellTeleport(ActionEvent event) {
		selected.setImage(new Image("TeleportSpace.png"));
		selectedTyp = ObjektTyp.teleportFeld;
	}





	@FXML
	void initialize() throws IOException {
		assert x3 != null : "fx:id=\"x3\" was not injected: check your FXML file 'Editor.fxml'.";
		assert levelNumber != null : "fx:id=\"levelNumber\" was not injected: check your FXML file 'Editor.fxml'.";
		assert pullyWindow != null : "fx:id=\"pullyWindow\" was not injected: check your FXML file 'Editor.fxml'.";
		assert selected != null : "fx:id=\"selected\" was not injected: check your FXML file 'Editor.fxml'.";

		level  = new File("test.txt");

		pullyWindow.setPrefSize(step*levelX, step*levelY);
		selectedTyp = ObjektTyp.pully;
		levelRam = new RandomAccessFile(level, "rw");
		buildMap();


	}

	void addToLevel(int x, int y, char c) throws IOException {
		String buffer = replaceAtIndex(levelChars.get(y), x, c);
		levelChars.remove(y);
		levelChars.add(y, buffer);
		printMap();

	}


void printMap() {
		StringBuilder buffer = new StringBuilder();
	for (String chars:
			levelChars) {
		buffer.append('\n');

	}
	System.out.println(buffer);
}
	void buildMap() {
		int diffY = levelY - levelChars.size();
		if(diffY > 0) {
			for (int i = 0; i < diffY; i++) {
				levelChars.add("");
			}
		} else if(diffY < 0) {
			for (int i = diffY; i < 0; i++) {
				levelChars.remove(levelChars.size()-1);
			}
		}

		for (String chars:
		     levelChars) {
			int diffX = levelY - chars.length();
			if(diffX > 0) {
				for (int i = 0; i < diffX; i++) {
					chars+= " ";
				}
			} else if (diffX < 0) {
				chars.substring(0,chars.length()+diffX);
			}


		}
	}

	String replaceAtIndex(String s, int index, char with) {
		String buffer = "";
		buffer = s.substring(0, index);
		buffer += with;
		buffer += s.substring(index+1);
		return  buffer;
	}

}