X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..25ef3491bd9ae007ff1fc2b0d7943e6eaaccf775:/docs/source/RowExpander.html diff --git a/docs/source/RowExpander.html b/docs/source/RowExpander.html index f556ccdb..63f12e7d 100644 --- a/docs/source/RowExpander.html +++ b/docs/source/RowExpander.html @@ -1,10 +1,10 @@ - - - The source code - - - - + + + The source code + + + + 
Ext.ns('Ext.ux.grid');
 
 
/**
@@ -138,10 +138,19 @@ Ext.ux.grid.RowExpander = Ext.extend(Ext.util.Observable, {
     
     // @private    
     onDestroy: function() {
-        this.keyNav.disable();
-        delete this.keyNav;
+        if(this.keyNav){
+            this.keyNav.disable();
+            delete this.keyNav;
+        }
+        /*
+         * A majority of the time, the plugin will be destroyed along with the grid,
+         * which means the mainBody won't be available. On the off chance that the plugin
+         * isn't destroyed with the grid, take care of removing the listener.
+         */
         var mainBody = this.grid.getView().mainBody;
-        mainBody.un('mousedown', this.onMouseDown, this);
+        if(mainBody){
+            mainBody.un('mousedown', this.onMouseDown, this);
+        }
     },
     // @private
     onRowDblClick: function(grid, rowIdx, e) {
@@ -229,6 +238,6 @@ Ext.ux.grid.RowExpander = Ext.extend(Ext.util.Observable, {
 Ext.preg('rowexpander', Ext.ux.grid.RowExpander);
 
 //backwards compat
-Ext.grid.RowExpander = Ext.ux.grid.RowExpander;
- +Ext.grid.RowExpander = Ext.ux.grid.RowExpander; + \ No newline at end of file