Function countSubTreeDepth

source/controllers/nodeCtrl.js:126–144

* Returns the depth of the deepest subtree under this node * @param scope a TreeNodesController scope object * @returns Depth of all nodes *beneath* this node. If scope belongs to a leaf node, the * result is 0 (it has no subtree).

(scope)

        *   result is 0 (it has no subtree).
        */
        function countSubTreeDepth(scope) {
          if (!scope) {
            return 0;
          }
          var thisLevelDepth = 0,
              childNodes = scope.childNodes(),
              childNode,
              childDepth,
              i;
          if (!childNodes || childNodes.length === 0) {
            return 0;
          }
          for (i = childNodes.length - 1; i >= 0 ; i--) {
            childNode = childNodes[i],
            childDepth = 1 + countSubTreeDepth(childNode);
            thisLevelDepth = Math.max(thisLevelDepth, childDepth);
          }
          return thisLevelDepth;
        }

        $scope.maxSubDepth = function () {
          return $scope.$childNodesScope ? countSubTreeDepth($scope.$childNodesScope) : 0;