/// <summary>
        /// Initializes a new instance of the <see cref="SiteMapNodeModel"/> class.
        /// </summary>
        /// <param name="node">The node.</param>
        /// <param name="sourceMetadata">The source metadata provided by the HtmlHelper.</param>
        /// <param name="maxDepth">The max depth.</param>
        /// <param name="drillDownToCurrent">Should the model exceed the maxDepth to reach the current node</param>
        /// <param name="startingNodeInChildLevel">Renders startingNode in child level if set to <c>true</c>.</param>
        public SiteMapNodeModel(ISiteMapNode node, IDictionary<string, object> sourceMetadata, int maxDepth, bool drillDownToCurrent, bool startingNodeInChildLevel, bool visibilityAffectsDescendants)
        {
            if (node == null)
                throw new ArgumentNullException("node");
            if (sourceMetadata == null)
                throw new ArgumentNullException("sourceMetadata");
            if (maxDepth < 0)
                throw new ArgumentOutOfRangeException("maxDepth");

            this.node = node;
            this.maxDepth = maxDepth;
            this.startingNodeInChildLevel = startingNodeInChildLevel;
            this.drillDownToCurrent = drillDownToCurrent;
            this.SourceMetadata = sourceMetadata;

            Key = node.Key;
            Area = node.Area;
            Controller = node.Controller;
            Action = node.Action;
            Title = node.Title;
            Description = node.Description;
            TargetFrame = node.TargetFrame;
            ImageUrl = node.ImageUrl;
            Url = node.Url;
            CanonicalUrl = node.CanonicalUrl;
            MetaRobotsContent = node.GetMetaRobotsContentString();
            IsCurrentNode = (node == node.SiteMap.CurrentNode);
            IsInCurrentPath = node.IsInCurrentPath();
            IsRootNode = (node == node.SiteMap.RootNode);
            IsClickable = node.Clickable;
            VisibilityAffectsDescendants = visibilityAffectsDescendants;
            RouteValues = node.RouteValues;
            Attributes = node.Attributes;
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="SiteMapNodeModel"/> class.
        /// </summary>
        /// <param name="node">The node.</param>
        /// <param name="sourceMetadata">The source metadata provided by the HtmlHelper.</param>
        /// <param name="maxDepth">The max depth.</param>
        /// <param name="drillDownToCurrent">Should the model exceed the maxDepth to reach the current node</param>
        /// <param name="startingNodeInChildLevel">Renders startingNode in child level if set to <c>true</c>.</param>
        public SiteMapNodeModel(ISiteMapNode node, IDictionary <string, object> sourceMetadata, int maxDepth, bool drillDownToCurrent, bool startingNodeInChildLevel, bool visibilityAffectsDescendants)
        {
            if (node == null)
            {
                throw new ArgumentNullException("node");
            }
            if (sourceMetadata == null)
            {
                throw new ArgumentNullException("sourceMetadata");
            }
            if (maxDepth < 0)
            {
                throw new ArgumentOutOfRangeException("maxDepth");
            }

            this.node     = node;
            this.maxDepth = maxDepth;
            this.startingNodeInChildLevel = startingNodeInChildLevel;
            this.drillDownToCurrent       = drillDownToCurrent;
            this.SourceMetadata           = sourceMetadata;

            Key        = node.Key;
            Area       = node.Area;
            Controller = node.Controller;
            Action     = node.Action;
            Site       = node.Site;
            if (string.IsNullOrEmpty(node.Site))
            {
                Site = node.RootNode.Site;
            }
            Title                        = node.Title;
            Description                  = node.Description;
            TargetFrame                  = node.TargetFrame;
            ImageUrl                     = node.ImageUrl;
            Url                          = node.Url;
            ResolvedUrl                  = node.ResolvedUrl;
            CanonicalUrl                 = node.CanonicalUrl;
            CanonicalUrlSeo              = node.CanonicalUrlSeo;
            MetaRobotsContent            = node.GetMetaRobotsContentString();
            Include                      = node.Include;
            Exclude                      = node.Exclude;
            IsCurrentNode                = (node.Equals(node.SiteMap.CurrentNode));
            IsInCurrentPath              = node.IsInCurrentPath();
            IsRootNode                   = (node.Equals(node.SiteMap.RootNode));
            IsClickable                  = node.Clickable;
            VisibilityAffectsDescendants = visibilityAffectsDescendants;
            RouteValues                  = node.RouteValues;
            Attributes                   = node.Attributes;
            Order                        = node.Order;
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="SiteMapNodeModel"/> class.
        /// </summary>
        /// <param name="node">The node.</param>
        /// <param name="sourceMetadata">The source metadata provided by the HtmlHelper.</param>
        /// <param name="maxDepth">The max depth.</param>
        /// <param name="drillDownToCurrent">Should the model exceed the maxDepth to reach the current node</param>
        /// <param name="startingNodeInChildLevel">Renders startingNode in child level if set to <c>true</c>.</param>
        public SiteMapNodeModel(ISiteMapNode node, IDictionary <string, object> sourceMetadata, int maxDepth, bool drillDownToCurrent, bool startingNodeInChildLevel)
        {
            if (node == null)
            {
                throw new ArgumentNullException("node");
            }
            if (sourceMetadata == null)
            {
                throw new ArgumentNullException("sourceMetadata");
            }
            if (maxDepth < 0)
            {
                throw new ArgumentOutOfRangeException("maxDepth");
            }

            this.node     = node;
            this.maxDepth = maxDepth;
            this.startingNodeInChildLevel = startingNodeInChildLevel;
            this.drillDownToCurrent       = drillDownToCurrent;
            this.SourceMetadata           = sourceMetadata;

            Area              = node.Area;
            Controller        = node.Controller;
            Action            = node.Action;
            Title             = node.Title;
            Description       = node.Description;
            TargetFrame       = node.TargetFrame;
            ImageUrl          = node.ImageUrl;
            Url               = node.Url;
            CanonicalUrl      = node.CanonicalUrl;
            MetaRobotsContent = node.GetMetaRobotsContentString();
            IsCurrentNode     = (node == node.SiteMap.CurrentNode);
            IsInCurrentPath   = node.IsInCurrentPath();
            IsRootNode        = (node == node.SiteMap.RootNode);
            IsClickable       = node.Clickable;
            RouteValues       = node.RouteValues;
            Attributes        = node.Attributes;
        }