#90 [WIP] on redesigning the channel processing gui components and backing model. Simplifies channel state by introducing a new Metadata class that tracks all metadata for all decoders.

src/channel/state/IChangedAttributeProvider.java

@@ -0,0 +1,10 @@
+package channel.state;
+
+import channel.metadata.Attribute;
+import sample.Listener;
+
+public interface IChangedAttributeProvider
+{
+	public void setChangedAttributeListener( Listener<Attribute> listener );
+	public void removeChangedAttributeListener();
+}