refactoring: StoredList

* try more encapsulation instead of ID comparisons all time

1 files changed, 14 insertions, 1 deletions

diff --git a/main/src/cgeo/geocaching/list/AbstractList.java b/main/src/cgeo/geocaching/list/AbstractList.java
index c75c6a1..ec783eb 100644
--- a/main/src/cgeo/geocaching/list/AbstractList.java
+++ b/main/src/cgeo/geocaching/list/AbstractList.java
@@ -1,15 +1,28 @@
 package cgeo.geocaching.list;
 
-abstract class AbstractList {
+import org.eclipse.jdt.annotation.Nullable;
+
+import android.util.SparseArray;
+
+public abstract class AbstractList {
 
     public final int id;
     public final String title;
+    private static SparseArray<AbstractList> LISTS = new SparseArray<AbstractList>();
 
     public AbstractList(final int id, final String title) {
         this.id = id;
         this.title = title;
+        LISTS.put(id, this);
     }
 
     public abstract String getTitleAndCount();
 
+    public abstract boolean isConcrete();
+
+    @Nullable
+    public static AbstractList getListById(int listId) {
+        return LISTS.get(listId);
+    }
+
 }