nl_tokens: ＊ ( first / parent levels : 1 ) ├─＊ ( node / parent levels : 2 ) │ └─＊ ( last in its own branch levels : 3 ) └─＊ ( last levels : 2 )
pl_tokens: function getTreeLine ( treeNode , addClass ) { var cls = 'item-tree-line' ; if ( addClass ) cls += ' ' + addClass ; if ( treeNode === 'parent' ) cls += ' item-tree-parent' ; <mask> '<img class="' + cls + '" src="img/tree-' + treeNode + '.png" width="' + app . TREE_NODE_WIDTH + '" height="' + app . SIDEBAR_NODE_HEIGHT + '" />' ; }