test commit

schach/src/main/java/de/hs_mannheim/informatik/chess/controller/CountdownTimer.java

@@ -0,0 +1,51 @@
+package de.hs_mannheim.informatik.chess.controller;
+
+
+import java.util.function.Consumer;
+
+import javax.swing.Timer;
+
+public class CountdownTimer {
+    private Timer timer;
+    private int secondsLeft;
+    private Runnable onTimeout;
+    private Consumer<Integer> onTick; // <- neue Callback-Funktion
+
+    public CountdownTimer(int minutes, int seconds) {
+        this.secondsLeft = minutes * 60 + seconds;
+    }
+
+    public void setOnTimeout(Runnable onTimeout) {
+        this.onTimeout = onTimeout;
+    }
+
+    public void setOnTick(Consumer<Integer> onTick) {
+        this.onTick = onTick;
+    }
+
+    public void start() {
+        if (timer != null) timer.stop();
+        timer = new Timer(1000, e -> {
+            secondsLeft--;
+            if (onTick != null) onTick.accept(secondsLeft); // <- tick callback
+            if (secondsLeft <= 0) {
+                stop();
+                if (onTimeout != null) onTimeout.run();
+            }
+        });
+        timer.start();
+    }	
+
+    public void stop() {
+        if (timer != null) {
+            timer.stop();
+        }
+    }
+
+    public void reset(int minutes, int seconds) {
+        stop();
+        this.secondsLeft = minutes * 60 + seconds;
+    }
+    
+    
+}