3 files changed, 34 insertions, 0 deletions
diff --git a/src/jrummikub/util/Event2.java b/src/jrummikub/util/Event2.java
new file mode 100644
index 0000000..19d2d58
--- /dev/null
+++ b/src/jrummikub/util/Event2.java
@@ -0,0 +1,23 @@
+package jrummikub.util;
+
+import java.util.HashSet;
+
+public class Event2<T1, T2> implements IEvent2<T1, T2> {
+private HashSet<IListener2<T1, T2>> listeners = new HashSet<IListener2<T1, T2>>();
+  
+  @Override
+  public void add(IListener2<T1, T2> listener) {
+    listeners.add(listener);
+  }
+
+  @Override
+  public void remove(IListener2<T1, T2> listener) {
+    listeners.remove(listener);
+  }
+
+  public void fire(T1 value1, T2 value2) {
+    for (IListener2<T1, T2> listener : listeners) {
+      listener.fire(value1, value2);
+    }
+  }
+}
diff --git a/src/jrummikub/util/IEvent2.java b/src/jrummikub/util/IEvent2.java
new file mode 100644
index 0000000..f677a2d
--- /dev/null
+++ b/src/jrummikub/util/IEvent2.java
@@ -0,0 +1,6 @@
+package jrummikub.util;
+
+public interface IEvent2<T1, T2> {
+  public void add(IListener2<T1, T2> listener);
+  public void remove(IListener2<T1, T2> listener);
+}
diff --git a/src/jrummikub/util/IListener2.java b/src/jrummikub/util/IListener2.java
new file mode 100644
index 0000000..b1832c1
--- /dev/null
+++ b/src/jrummikub/util/IListener2.java
@@ -0,0 +1,5 @@
+package jrummikub.util;
+
+public interface IListener2<T1, T2> {
+  public void fire(T1 value1, T2 value2);
+}