Als ich möchte die Steuerung von meinem Tetris Spiel variabel machen und dazu die gespeicherte Steuerung aus einem Dokument einlesen und diese auch dort wieder speichern. Allerdings habe ich das Problem, dass das Programm immer wieder die "Eingabe"-Taste für alle Funktionen auswählt und die Config-Datei neu erstellt.
Java:
import java.awt.Choice;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Config {
public static String rotate = "Up", left = "Left", right = "Right", down = "Down", pause = "P";
private static ArrayList<Choice> choices;
public static void openConfig(JFrame frame){
choices = new ArrayList<Choice>();
final JFrame options = new JFrame ("STEUERUNG");
options.setSize(400,300);
options.setResizable(false);
options.setLocationRelativeTo(frame);
options.setLayout(null);
Choice left = addChoice("Left", options, 30,30);
left.select(Config.left);
Choice right = addChoice("Right", options, 150,30);
right.select(Config.right);
Choice down = addChoice("Down", options, 30,80);
down.select(Config.down);
Choice rotate = addChoice("Rotate", options, 150,80);
rotate.select(Config.rotate);
Choice pause = addChoice("Pause", options, 30,130);
pause.select(Config.pause);
JButton done = new JButton("Done");
done.setBounds(150,200,100,30);
done.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e ){
options.dispose();
saveChanges();
}
});
options.add(done);
options.setVisible(true);
}
public static void saveChanges(){
Choice left = choices.get(0);
Choice right = choices.get(1);
Choice down = choices.get(2);
Choice rotate = choices.get(3);
Choice pause = choices.get(4);
Config.left = left.getSelectedItem();
Config.right = right.getSelectedItem();
Config.down = down.getSelectedItem();
Config.rotate = rotate.getSelectedItem();
Config.pause = pause.getSelectedItem();
try
{
saveConfig();
}
catch (Exception e ){
e.printStackTrace();
}
}
public static Choice addChoice(String name, JFrame options, int x, int y){
JLabel label = new JLabel(name);
label.setBounds(x,y-20 , 100 , 20);
Choice key = new Choice();
for (String s: getKeyNames()){
key.add(s);
}
key.setBounds(x,y,100,20);
options.add(key);
options.add(label);
choices.add(key);
return key;
}
public static ArrayList<String> getKeyNames(){
ArrayList<String> result = new ArrayList<String>();
for (String s: KeyGetter.keyNames ){
result.add(s);
if(s.equalsIgnoreCase("F24")){
break;
}
}
return result;
}
public static void loadConfig() throws Exception{
File directory = new File(getDefaultDirectory(),"/Tetris");
if(!directory.exists()){
directory.mkdirs();
}
//System.out.println(directory.getPath());
File config = new File(directory, "/config.ah");
if(!config.exists ()){
config.createNewFile();
System.out.println("FILE NOT FOUND! SAVING DEFAULTS!");
saveConfig();
return;
}
Scanner s = new Scanner(config);
HashMap <String, String>values = new HashMap<String, String>();
while(s.hasNextLine()){
String[] entry = s.nextLine().split(":");
String key = entry[0];
String value = entry[1];
values.put(key, value);
}
if(values.size() != 5){
System.out.println("CONFIG IS UNUSUABLE! SAVING DEFAULTS!");
saveConfig();
return;
}
if(!values.containsKey("left") || !values.containsKey("right")|| !values.containsKey("rotate")|| !values.containsKey("down") || !values.containsKey("pause")){
System.out.println("INVALID NAMES IN CONFIG! SAVING DEFAULTS!");
saveConfig();
return;
}
String left = values.get("left");
String right = values.get("right");
String rotate = values.get("rotate");
String down = values.get("down");
String pause = values.get("pause");
if(!(getKeyNames().contains(left)&& getKeyNames().contains(right)&&getKeyNames().contains(rotate)&&getKeyNames().contains(down)&& getKeyNames().contains(pause))){
System.out.println("INVALID KEY IN CONFIG SAVING DEFAULTS!");
return;
}
Config.left = left;
Config.right = right;
Config.rotate = rotate;
Config.down = down;
Config.pause = pause;
}
public static void saveConfig() throws Exception{
File directory = new File(getDefaultDirectory(),"/Tetris");
if(!directory.exists()){
directory.mkdirs();
}
File config = new File(directory, "/config.txt");
PrintWriter pw = new PrintWriter(config);
pw.println("right:" + right);
pw.println("left:" + left);
pw.println("rotate:" + rotate);
pw.println("down:" + down);
pw.println("pause:" + pause);
pw.close();
}
public static String getDefaultDirectory(){
String OS = System.getProperty("os.name").toUpperCase();
if(OS.contains("WIN")){
return System.getenv("APPDATA");
}
if(OS.contains("MAC")){
return System.getProperty("user.home") + "Library//Application Support";
}
return System.getProperty("user.home");
}
}
