Merge pull request #9570 from liamcindy/UIListView

override function for listview

cocos/ui/UILayout.h

@@ -270,7 +270,7 @@ public:
     /**
      * force refresh widget layout
      */
-    void forceDoLayout();
+    virtual void forceDoLayout();
     
     /**
      * request to refresh widget layout

cocos/ui/UIListView.cpp

@@ -453,6 +453,17 @@ void ListView::refreshView()
     updateInnerContainerSize();
 }
     
+void ListView::forceDoLayout()
+{
+    if (_refreshViewDirty)
+    {
+        refreshView();
+        _refreshViewDirty = false;
+    }
+
+    this->_innerContainer->forceDoLayout();
+}
+
 void ListView::doLayout()
 {
     Layout::doLayout();

cocos/ui/UIListView.h

@@ -162,6 +162,8 @@ public:
     
     float getItemsMargin()const;
     
+    virtual void forceDoLayout()override;
+
     virtual void doLayout() override;
     
     virtual void addChild(Node* child)override;