Files
Umbraco-CMS/src/Umbraco.Web/Trees/TreeCollectionBuilder.cs
2019-02-14 11:01:34 +11:00

58 lines
2.3 KiB
C#

using System;
using System.Collections.Generic;
using Umbraco.Core;
using Umbraco.Core.Composing;
namespace Umbraco.Web.Trees
{
/// <summary>
/// Builds a <see cref="TreeCollection"/>.
/// </summary>
public class TreeCollectionBuilder : ICollectionBuilder<TreeCollection, Tree>
{
private readonly List<Tree> _trees = new List<Tree>();
public TreeCollection CreateCollection(IFactory factory) => new TreeCollection(_trees);
public void RegisterWith(IRegister register) => register.Register(CreateCollection, Lifetime.Singleton);
/// <summary>
/// Registers a custom tree definition
/// </summary>
/// <param name="treeDefinition"></param>
/// <remarks>
/// This is useful if a developer wishes to have a single tree controller for different tree aliases. In this case the tree controller
/// cannot be decorated with the TreeAttribute (since then it will be auto-registered).
/// </remarks>
public void AddTree(Tree treeDefinition)
{
if (treeDefinition == null) throw new ArgumentNullException(nameof(treeDefinition));
_trees.Add(treeDefinition);
}
public void AddTreeController<TController>()
where TController : TreeControllerBase
=> AddTreeController(typeof(TController));
public void AddTreeController(Type controllerType)
{
if (!typeof(TreeControllerBase).IsAssignableFrom(controllerType))
throw new ArgumentException($"Type {controllerType} does not inherit from {typeof(TreeControllerBase).FullName}.");
// not all TreeControllerBase are meant to be used here,
// ignore those that don't have the attribute
var attribute = controllerType.GetCustomAttribute<TreeAttribute>(false);
if (attribute == null) return;
var tree = new Tree(attribute.SortOrder, attribute.SectionAlias, attribute.TreeGroup, attribute.TreeAlias, attribute.TreeTitle, attribute.TreeUse, controllerType, attribute.IsSingleNodeTree);
_trees.Add(tree);
}
public void AddTreeControllers(IEnumerable<Type> controllerTypes)
{
foreach (var controllerType in controllerTypes)
AddTreeController(controllerType);
}
}
}