improved id generation. fix bmelnychuk#20

MathiasBerwig · MathiasBerwig · commit a9799b698c19 · 2015-09-14T11:34:01.000-03:00
diff --git a/library/src/main/java/com/unnamed/b/atv/model/TreeNode.java b/library/src/main/java/com/unnamed/b/atv/model/TreeNode.java
@@ -20,6 +20,7 @@ public class TreeNode {
     public static final String NODES_ID_SEPARATOR = ":";
 
     private int mId;
+    private int mLastId;
     private TreeNode mParent;
     private boolean mSelected;
     private boolean mSelectable = true;
@@ -36,15 +37,18 @@ public static TreeNode root() {
         return root;
     }
 
+    private int generateId() {
+        return ++mLastId;
+    }
+
     public TreeNode(Object value) {
         children = new ArrayList<>();
         mValue = value;
     }
 
     public TreeNode addChild(TreeNode childNode) {
         childNode.mParent = this;
-        //TODO think about id generation
-        childNode.mId = size();
+        childNode.mId = generateId();
         children.add(childNode);
         return this;
     }
