nl_tokens: Sets the root node for this store . See also the {
pl_tokens: function ( root , /* private */ preventLoad ) { var <mask> = this , model = me . model , idProperty = model . prototype . idProperty root = root || { } ; if ( ! root . isModel ) { root = Ext . apply ( { } , root ) ; // create a default rootNode and create internal data struct. Ext . applyIf ( root , { id : me . defaultRootId , text : me . defaultRootText , allowDrag : false } ) ; if ( root [ idProperty ] === undefined ) { root [ idProperty ] = me . defaultRootId ; } Ext . data . NodeInterface . decorate ( model ) ; root = Ext . ModelManager . create ( root , model ) ; } else if ( root . isModel && ! root . isNode ) { Ext . data . NodeInterface . decorate ( model ) ; } // Because we have decorated the model with new fields, // we need to build new extactor functions on the reader. me . getProxy ( ) . getReader ( ) . buildExtractors ( true ) ; // When we add the root to the tree, it will automaticaly get the NodeInterface me . tree . setRootNode ( root ) ; // If the user has set expanded: true on the root, we want to call the expand function to kick off // an expand process, so clear the expanded status and call expand. // Upon receipt, the expansion process is the most efficient way of processing the // returned nodes and putting them into the NodeStore in one block. // Appending a node to an expanded node is expensive - the NodeStore and UI are updated. if ( preventLoad !== true && ! root . isLoaded ( ) && ( me . autoLoad === true || root . isExpanded ( ) ) ) { root . data . expanded = false ; root . expand ( ) ; } return root ; }