表格加入横向滚动事件

bi/widget.js

@@ -17790,16 +17790,18 @@ BI.shortcut('bi.all_value_chooser_pane', BI.AllValueChooserPane);BI.AbstractTree
         var name = values[values.length - 1];
         var p = values.slice(0, values.length - 1);
         var pNode = this._getNode(selectedValues, p);
-        if (pNode[name]) {
+        if (pNode != null && pNode[name]) {
             delete pNode[name];
             //递归删掉空父节点
             while (p.length > 0 && BI.isEmpty(pNode)) {
                 name = p[p.length - 1];
                 p = p.slice(0, p.length - 1);
                 pNode = this._getNode(selectedValues, p);
+                if (pNode != null) {
                     delete pNode[name];
                 }
             }
+        }
     },
 
     _buildTree: function (jo, values) {

docs/widget.js

@@ -17790,16 +17790,18 @@ BI.shortcut('bi.all_value_chooser_pane', BI.AllValueChooserPane);BI.AbstractTree
         var name = values[values.length - 1];
         var p = values.slice(0, values.length - 1);
         var pNode = this._getNode(selectedValues, p);
-        if (pNode[name]) {
+        if (pNode != null && pNode[name]) {
             delete pNode[name];
             //递归删掉空父节点
             while (p.length > 0 && BI.isEmpty(pNode)) {
                 name = p[p.length - 1];
                 p = p.slice(0, p.length - 1);
                 pNode = this._getNode(selectedValues, p);
+                if (pNode != null) {
                     delete pNode[name];
                 }
             }
+        }
     },
 
     _buildTree: function (jo, values) {

src/component/treevaluechooser/abstract.treevaluechooser.js

@@ -551,16 +551,18 @@ BI.AbstractTreeValueChooser = BI.inherit(BI.Widget, {
         var name = values[values.length - 1];
         var p = values.slice(0, values.length - 1);
         var pNode = this._getNode(selectedValues, p);
-        if (pNode[name]) {
+        if (pNode != null && pNode[name]) {
             delete pNode[name];
             //递归删掉空父节点
             while (p.length > 0 && BI.isEmpty(pNode)) {
                 name = p[p.length - 1];
                 p = p.slice(0, p.length - 1);
                 pNode = this._getNode(selectedValues, p);
+                if (pNode != null) {
                     delete pNode[name];
                 }
             }
+        }
     },
 
     _buildTree: function (jo, values) {