nl_tokens: Triggered by a NodeInterface s bubbled expand event .
pl_tokens: function ( parent , records , suppressEvent ) { var me = this , insertIndex = me . indexOf ( parent ) + 1 , toAdd = [ ] ; // Used by the TreeView to bracket recursive expand & collapse ops // and refresh the size. This is most effective when folder nodes are loaded, // and this method is able to recurse. if ( ! suppressEvent ) { <mask> . fireEvent ( 'beforeexpand' , parent , records , insertIndex ) ; } me . handleNodeExpand ( parent , records , toAdd ) ; // The add event from this insertion is handled by TreeView.onAdd. // That implementation calls parent and then ensures the previous sibling's joining lines are correct. // The datachanged event is relayed by the TreeStore. Internally, that's not used. me . insert ( insertIndex , toAdd ) ; // Triggers the TreeView's onExpand method which calls refreshSize, // and fires its afteritemexpand event if ( ! suppressEvent ) { me . fireEvent ( 'expand' , parent , records ) ; } }