add

7 years ago · 61129291f2
3 changed files with 27 additions and 0 deletions
--- a/bi/base.js
+++ b/bi/base.js
@ -15616,8 +15616,17 @@ BI.VirtualList = BI.inherit(BI.Widget, {
        this.element.scrollTop(o.scrollTop);
    },

+    _clearChildren: function () {
+        BI.each(this.container._children, function (i, cell) {
+            cell && cell.el._destroy();
+        });
+        this.container._children = {};
+        this.container.attr("items", []);
+    },
+
    restore: function () {
        this.renderedIndex = -1;
+        this._clearChildren();
        this.cache = {};
    },

--- a/docs/base.js
+++ b/docs/base.js
@ -15616,8 +15616,17 @@ BI.VirtualList = BI.inherit(BI.Widget, {
        this.element.scrollTop(o.scrollTop);
    },

+    _clearChildren: function () {
+        BI.each(this.container._children, function (i, cell) {
+            cell && cell.el._destroy();
+        });
+        this.container._children = {};
+        this.container.attr("items", []);
+    },
+
    restore: function () {
        this.renderedIndex = -1;
+        this._clearChildren();
        this.cache = {};
    },

--- a/src/base/list/virtuallist.js
+++ b/src/base/list/virtuallist.js
@ -159,8 +159,17 @@ BI.VirtualList = BI.inherit(BI.Widget, {
        this.element.scrollTop(o.scrollTop);
    },

+    _clearChildren: function () {
+        BI.each(this.container._children, function (i, cell) {
+            cell && cell.el._destroy();
+        });
+        this.container._children = {};
+        this.container.attr("items", []);
+    },
+
    restore: function () {
        this.renderedIndex = -1;
+        this._clearChildren();
        this.cache = {};
    },