From aab0b7b3f19c9937c734cdd1d86467b44aa09495 Mon Sep 17 00:00:00 2001
From: limuyang <limuyang2@163.com>
Date: Thu, 2 Jan 2020 18:05:41 +0800
Subject: [PATCH] add `nodeAddData()`; can't run

---
 .../activity/node/NodeTreeUseActivity.java    | 12 ++++++-
 .../library/adapter/base/BaseNodeAdapter.kt   | 36 +++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java
index c7032e0c0..d6c357d9d 100644
--- a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java
+++ b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/activity/node/NodeTreeUseActivity.java
@@ -11,13 +11,14 @@
 import com.chad.baserecyclerviewadapterhelper.entity.node.tree.FirstNode;
 import com.chad.baserecyclerviewadapterhelper.entity.node.tree.SecondNode;
 import com.chad.baserecyclerviewadapterhelper.entity.node.tree.ThirdNode;
+import com.chad.baserecyclerviewadapterhelper.utils.Tips;
 import com.chad.library.adapter.base.entity.node.BaseNode;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class NodeTreeUseActivity extends BaseActivity {
-    private RecyclerView mRecyclerView;
+    private RecyclerView    mRecyclerView;
     private NodeTreeAdapter adapter = new NodeTreeAdapter();
 
     @Override
@@ -32,6 +33,15 @@ protected void onCreate(Bundle savedInstanceState) {
         mRecyclerView.setAdapter(adapter);
 
         adapter.setNewData(getEntity());
+
+        mRecyclerView.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                SecondNode seNode = new SecondNode(new ArrayList<BaseNode>(), "this is Add Second Node");
+                adapter.nodeAddData(adapter.getData().get(0), 1,seNode);
+                Tips.show("新增node");
+            }
+        }, 3000);
     }
 
     private List<BaseNode> getEntity() {
diff --git a/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt b/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt
index 7b70707ff..a846b83c9 100644
--- a/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt
+++ b/library/src/main/java/com/chad/library/adapter/base/BaseNodeAdapter.kt
@@ -161,6 +161,42 @@ abstract class BaseNodeAdapter(data: MutableList<BaseNode>? = null)
         super.setDiffNewData(diffResult, flatData(newData))
     }
 
+    /*************************** Node 数据操作 ***************************/
+
+    /**
+     * 对指定的父node，添加子node
+     * @param parentNode BaseNode 父node
+     * @param data BaseNode 子node
+     */
+    fun nodeAddData(parentNode: BaseNode, data: BaseNode) {
+        val parentIndex = this.data.indexOf(parentNode)
+        var childIndex = 0
+        parentNode.childNode?.let {
+            it.add(data)
+            childIndex = it.size
+
+            addData(parentIndex + childIndex, data)
+        }
+    }
+
+    /**
+     * 对指定的父node，在指定位置添加添加子node
+     * @param parentNode BaseNode 父node
+     * @param position Int 此位置是相对于其childNodes数据的位置！并不是整个data
+     * @param data BaseNode 添加的数据
+     */
+    fun nodeAddData(parentNode: BaseNode, position: Int, data: BaseNode) {
+        val parentIndex = this.data.indexOf(parentNode)
+        var pos = 0
+        parentNode.childNode?.let {
+            it.add(position, data)
+            pos = parentIndex + position + 1
+
+            addData(parentIndex + pos, data)
+        }
+
+    }
+
     /*************************** 重写数据设置方法 END ***************************/
 
     /**