//--- Methods --- public virtual NavBE Copy() { NavBE np = new NavBE(); np.ChildCount = ChildCount; np.DisplayName = DisplayName; np.Id = Id; np.NameSpace = NameSpace; np.ParentId = ParentId; np.RestrictionFlags = RestrictionFlags; np.Title = Title; return np; }
//--- Methods --- public virtual NavBE Copy() { NavBE np = new NavBE(); np.ChildCount = ChildCount; np.DisplayName = DisplayName; np.Id = Id; np.NameSpace = NameSpace; np.ParentId = ParentId; np.RestrictionFlags = RestrictionFlags; np.Title = Title; return(np); }
public Yield GetNavigationFull(DreamContext context, DreamMessage request, Result<DreamMessage> response) { CheckResponseCache(context, false); PageBE page = PageBL_GetPageFromUrl(context, false); if (page.Title.IsTalk) { page = PageBL.GetPageByTitle(page.Title.AsFront()); } // check if requestest page exists, otherwise find nearest parent uint new_page_id = NavBL.NEW_PAGE_ID; ulong homepageId = DekiContext.Current.Instance.HomePageId; List<NavBE> list; bool expandableNav = context.GetParam("type", "compact").EqualsInvariantIgnoreCase("expandable"); // check if a page was found if(page.ID == 0) { // find nearest ancestor and authorize access PageBE ancestor = page; while(!ancestor.Title.IsHomepage) { // fetch ancestor page based on title ulong id = DbUtils.CurrentSession.Nav_GetNearestParent(ancestor.Title); ancestor = PageBL.GetPageById(id); if(PermissionsBL.IsUserAllowed(DekiContext.Current.User, ancestor, Permissions.BROWSE)) { break; } // determine parent page title Title title = ancestor.Title.GetParent(); if(title == null) { // current ancestor was the homepage break; } ancestor = new PageBE { Title = title }; } if(ancestor.ID == 0) { ancestor = PageBL.GetHomePage(); } list = NavBL.QueryNavTreeData(ancestor, context.Culture, expandableNav).ToList(); // find the nearest parent node and increase its child count foreach(NavBE nearestAncestors in list) { if(nearestAncestors.Id == ancestor.ID) { nearestAncestors.ChildCount = nearestAncestors.ChildCount + 1; break; } } // for each missing node, generate a dummy page and insert it into result set ulong ancestor_id = ancestor.ID; string[] ancestor_segments = ancestor.Title.AsUnprefixedDbSegments(); string[] new_page_segments = page.Title.AsUnprefixedDbSegments(); List<NavBE> newNodes = new List<NavBE>(32); for(int i = ancestor_segments.Length; i < new_page_segments.Length; ++i) { string title = string.Join("/", new_page_segments, 0, i + 1); // create dummy node with <page><page_id /><page_namespace /><page_title ><page_parent /><page_children /></page> NavBE newPage = new NavBE { Id = new_page_id, NameSpace = (ushort)page.Title.Namespace, Title = title, ParentId = (ancestor_id == homepageId) ? 0 : ancestor_id, ChildCount = (i == new_page_segments.Length - 1) ? 0 : 1 }; newNodes.Add(newPage); // update page information page.ID = new_page_id; page.ParentID = ancestor_id; ancestor_id = new_page_id++; } // check if we need to remove the children nodes of the ancestor ancestor_id = (ancestor.ID == homepageId) ? 0 : (uint)ancestor.ID; if(!expandableNav && (new_page_segments.Length - ancestor_segments.Length) > 1) { // remove ancestor children and add new dummy nodes for(int start = 0; start < list.Count; ++start ) { // check if we found a matching child if((list[start].ParentId == ancestor_id) && (list[start].Id != homepageId)) { // look for last child to remove so we can remove an entire range at once int end = start + 1; for(; (end < list.Count) && (list[end].ParentId == ancestor_id) && (list[end].Id != homepageId); ++end) { } list.RemoveRange(start, end - start); --start; } } } else { // find where among the ancestor children we need to insert the dummy node for(int index = 0; index < list.Count; ++index) { NavBE current = list[index]; if((current.ParentId == ancestor_id) && (current.Id != homepageId)) { string[] parts = Title.FromDbPath(NS.UNKNOWN, current.Title, current.DisplayName).AsUnprefixedDbSegments(); if((parts.Length > 0) && (new_page_segments.Length > 0) && (string.Compare(parts[parts.Length - 1], new_page_segments[parts.Length - 1], true, context.Culture) > 0)) { // found the spot list.InsertRange(index, newNodes); newNodes = null; break; } } } } // check if we didn't find the spot if(newNodes != null) { // add new nodes to the end list.AddRange(newNodes); } } else { list = NavBL.QueryNavTreeData(page, context.Culture, expandableNav).ToList(); } // find first parent ulong parent_id = homepageId; int parent_index = -1; for(int i = 0; i < list.Count; ++i) { if(list[i].Id == parent_id) { parent_index = i; break; } } if(parent_index == -1) { throw new Exception("unexpected [homepage not found]"); } // add any missing ancestor nodes (might have been removed by permission check or might simply not exist) string[] page_segments = page.Title.AsUnprefixedDbSegments(); ushort ns = (ushort)page.Title.Namespace; for(int i = 0; i <= page_segments.Length; ++i) { string title = string.Join("/", page_segments, 0, i); // loop over all nodes bool found = false; for(int j = 0; j < list.Count; ++j) { NavBE node = list[j]; // NOTE (steveb): we walk the path one parent at a time; however, there are a few special cases, because of namespaces // for instance, the parent page of User:Bob is the homepage (ditto for Template:Page), but the parent page of Admin:Config is Admin: // check if we found a node matching the current title if((string.Compare(node.Title, title, true, context.Culture) == 0) && (((i == 0) && (ns != (ushort)NS.ADMIN)) ? (node.NameSpace == (ushort)NS.MAIN) : (node.NameSpace == ns))) { found = true; // let's make sure node is pointing to right parent node.ParentId = (parent_id == homepageId) ? 0 : parent_id; parent_id = node.Id; parent_index = j; break; } } if(!found) { // node is missing, let's create a new one NavBE newPage = new NavBE { Id = new_page_id, NameSpace = (ushort)page.Title.Namespace, Title = title, ParentId = (parent_id == homepageId) ? 0 : parent_id, ChildCount = 1 }; // add new page after parent list.Insert(parent_index + 1, newPage); parent_id = new_page_id++; parent_index = parent_index + 1; } } // build response if(ShowDebug(context)) { response.Return(DreamMessage.Ok(NavBL.ConvertNavPageListToDoc(list))); } else { XDoc result = expandableNav ? NavBL.ComputeExpandableNavigationDocument(list, page, 0, 0, false) : NavBL.ComputeNavigationDocument(list, page, 0, 0, false, context.GetParam("width", int.MaxValue)); if(ShowXml(context)) { response.Return(DreamMessage.Ok(result)); } else { response.Return(DreamMessage.Ok(new XDoc("tree").Value(result.Contents))); } } yield break; }
//--- Constructors --- public ExpandableNavPage(NavBE navPage) { this.NavPage = navPage; }