public override IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
if(query.Interface != Interfaces.Managing)
return previousChildren;
return previousChildren.Union(nodes.GetChildren(query.Parent.Path));
}
public virtual IEnumerable<ContentItem> GetChildren(Query query)
{
var items = AppendChildren(NoItems, query);
if (query.SkipAuthorization)
return items;
return items.Where(_security.GetAuthorizationFilter(Permission.Read));
}
public virtual IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
foreach (var source in Sources)
{
previousChildren = source.AppendChildren(previousChildren, query);
}
return previousChildren;
}
public virtual IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
// ReSharper disable LoopCanBeConvertedToQuery
foreach (var source in Sources)
previousChildren = source.AppendChildren(previousChildren, query);
foreach (var source in Sources)
previousChildren = source.FilterChildren(previousChildren, query);
return previousChildren;
// ReSharper restore LoopCanBeConvertedToQuery
}
internal static HierarchyNode<ContentItem> BuildTreeStructure(ItemFilter filter, IContentAdapterProvider adapters, ContentItem selectedItem, int maxDepth)
{
var structure = new TreeHierarchyBuilder(selectedItem, maxDepth)
.Children((item) =>
{
var q = new N2.Persistence.Sources.Query { Parent = item, OnlyPages = true, Interface = Interfaces.Managing, Filter = filter };
return adapters.ResolveAdapter<NodeAdapter>(item).GetChildren(q);
})
.Build();
return structure;
}
internal static HierarchyNode<ContentItem> BuildBranchStructure(ItemFilter filter, IContentAdapterProvider adapters, ContentItem selectedItem, ContentItem root)
{
var structure = new BranchHierarchyBuilder(selectedItem, root, true) { UseMasterVersion = false }
.Children((item) =>
{
var q = new N2.Persistence.Sources.Query { Parent = item, OnlyPages = true, Interface = Interfaces.Managing, Filter = filter };
return adapters.ResolveAdapter<NodeAdapter>(item).GetChildren(q);
})
.Build();
return structure;
}
internal static HierarchyNode <ContentItem> BuildTreeStructure(ItemFilter filter, IContentAdapterProvider adapters, ContentItem selectedItem, int maxDepth)
{
var structure = new TreeHierarchyBuilder(selectedItem, maxDepth)
.Children((item) =>
{
var q = new N2.Persistence.Sources.Query {
Parent = item, OnlyPages = true, Interface = Interfaces.Managing, Filter = filter
};
return(adapters.ResolveAdapter <NodeAdapter>(item).GetChildren(q));
})
.Build();
return(structure);
}
public override IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
IEnumerable<ContentItem> items;
if (!query.OnlyPages.HasValue)
items = query.Parent.Children;
else if (query.OnlyPages.Value)
items = query.Parent.Children.FindPages();
else
items = query.Parent.Children.FindParts();
if (query.Filter != null)
items = items.Where(query.Filter);
return previousChildren.Union(items);
}
internal static HierarchyNode <ContentItem> BuildBranchStructure(ItemFilter filter, IContentAdapterProvider adapters, ContentItem selectedItem, ContentItem root)
{
var structure = new BranchHierarchyBuilder(selectedItem, root, true)
{
UseMasterVersion = false
}
.Children((item) =>
{
var q = new N2.Persistence.Sources.Query {
Parent = item, OnlyPages = true, Interface = Interfaces.Managing, Filter = filter
};
return(adapters.ResolveAdapter <NodeAdapter>(item).GetChildren(q));
})
.Build();
return(structure);
}
public override bool HasChildren(Query query)
{
if (query.Parent.ChildState == CollectionState.IsEmpty)
return false;
bool onlyPages = query.OnlyPages ?? false;
if (query.Parent.ChildState.IsAny(CollectionState.ContainsVisiblePublicPages | CollectionState.ContainsHiddenPublicPages))
return true;
if (!onlyPages && query.Parent.ChildState.IsAny(CollectionState.ContainsPublicParts))
return true;
if (query.Filter != null && query.Parent.ChildState.IsAny(CollectionState.ContainsHiddenSecuredPages | CollectionState.ContainsVisibleSecuredPages))
return true;
if (!onlyPages && query.Filter != null && query.Parent.ChildState.IsAny(CollectionState.ContainsSecuredParts))
return true;
return base.HasChildren(query);
}
private IEnumerable<Node<TreeNode>> GetChildren(Query query, ItemFilter filter, bool expandRecursive = false)
{
var adapter = engine.GetContentAdapter<NodeAdapter>(Selection.SelectedItem);
return adapter.GetChildren(query)
.Where(filter)
.Select(c => GetNode(c, query, filter, expandRecursive));
}
public virtual bool HasChildren(Query query)
{
return GetChildren(query).Any();
}
/// <summary>Returns true when an item has children.</summary>
/// <param name="query">The item whose childrens existence is to be determined.</param>
/// <returns>True when there are children.</returns>
public virtual bool HasChildren(Query query)
{
return Sources.HasChildren(query);
}
private Node<TreeNode> GetNode(ContentItem item, Query query)
{
var adapter = engine.GetContentAdapter<NodeAdapter>(item);
return new Node<TreeNode>
{
Current = adapter.GetTreeNode(item),
Children = new Node<TreeNode>[0],
HasChildren = adapter.HasChildren(new Query { Parent = item, Filter = query.Filter, Interface = query.Interface, OnlyPages = query.OnlyPages }),
Expanded = false
};
}
/// <summary>Gets the children of the given item for the given user interface.</summary>
/// <param name="parent">The item whose children to get.</param>
/// <param name="userInterface">The interface where the children are displayed.</param>
/// <returns>An enumeration of the children.</returns>
public virtual IEnumerable<ContentItem> GetChildren(Query query)
{
IEnumerable<ContentItem> children = GetNodeChildren(query);
foreach (var child in children)
yield return child;
if (Interfaces.Managing == query.Interface)
{
foreach (var child in NodeFactory.GetChildren(query.Parent.Path))
{
if (query.IsMatch(child))
yield return child;
}
}
}
protected virtual IEnumerable<ContentItem> GetNodeChildren(Query query)
{
if (query == null) throw new ArgumentNullException("query");
if (query.Parent is IActiveChildren)
return ((IActiveChildren)query.Parent).GetChildren(new AccessFilter(WebContext.User, Security));
if (!query.OnlyPages.HasValue && !Settings.DisplayDataItems)
query.OnlyPages = true;
var children = Sources.GetChildren(query);
return children;
}
protected virtual IEnumerable<ContentItem> GetNodeChildren(ContentItem parent, string userInterface)
{
if (parent is IActiveChildren)
return ((IActiveChildren)parent).GetChildren(new AccessFilter(WebContext.User, Security));
var query = new Query { Parent = parent, Interface = userInterface };
if (!Settings.DisplayDataItems)
query.OnlyPages = true;
return Sources.GetChildren(query);
}
public override IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
throw new NotImplementedException();
//return AppendContentChildren(previousChildren, query);
}
private Node<TreeNode> GetNode(ContentItem item, Query query, ItemFilter filter, bool expandRecursive = false)
{
var adapter = engine.GetContentAdapter<NodeAdapter>(item);
var node = new Node<TreeNode>
{
Current = adapter.GetTreeNode(item),
Children = new Node<TreeNode>[0],
HasChildren = adapter.HasChildren(new Query { Parent = item, Filter = query.Filter, Interface = query.Interface, OnlyPages = query.OnlyPages }),
Expanded = false
};
if (expandRecursive)
{
query = query.Clone();
query.Parent = item;
node.Children = GetChildren(query, filter, expandRecursive).ToList();
}
return node;
}
public override IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
throw new MarkerException();
}
public override IEnumerable<ContentItem> AppendChildren(IEnumerable<ContentItem> previousChildren, Query query)
{
return previousChildren;
}
