From 6f3daa44cecff6bcfeec190012aa236b099c220e Mon Sep 17 00:00:00 2001
From: cgspine <cgspine@gmail.com>
Date: Wed, 13 Feb 2019 17:57:33 +0800
Subject: [PATCH] refreshCustomData

---
 .../qmui/widget/section/QMUIStickySectionAdapter.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/qmui/src/main/java/com/qmuiteam/qmui/widget/section/QMUIStickySectionAdapter.java b/qmui/src/main/java/com/qmuiteam/qmui/widget/section/QMUIStickySectionAdapter.java
index 3aae0f55..32d2f040 100644
--- a/qmui/src/main/java/com/qmuiteam/qmui/widget/section/QMUIStickySectionAdapter.java
+++ b/qmui/src/main/java/com/qmuiteam/qmui/widget/section/QMUIStickySectionAdapter.java
@@ -141,6 +141,17 @@ public abstract class QMUIStickySectionAdapter<
         }
     }
 
+
+    /**
+     * section data is not changed, only custom item index may changed, so we also need to regenerate index
+     */
+    public void refreshCustomData(){
+        QMUISectionDiffCallback callback = createDiffCallback(mBackupData, mCurrentData);
+        DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(callback, false);
+        callback.cloneNewIndexTo(mSectionIndex, mItemIndex);
+        diffResult.dispatchUpdatesTo(this);
+    }
+
     protected QMUISectionDiffCallback<H, T> createDiffCallback(
             List<QMUISection<H, T>> lastData, List<QMUISection<H, T>> currentData) {
         return new QMUISectionDiffCallback<>(lastData, currentData);