/// <summary>
/// Creates the LayoutSpecProvider
/// </summary>
/// <param name="resource">The resource name of json resource in
/// the given assembly.</param>
/// <param name="assembly">Assembly which contains the specified resource</param>
public LayoutSpecProvider(ILibraryViewCustomization customization, string resource, Assembly assembly = null) : base(false)
{
assembly = assembly == null?Assembly.GetExecutingAssembly() : assembly;
var stream = assembly.GetManifestResourceStream(resource);
//Get the spec from the stream
var spec = LayoutSpecification.FromJSONStream(stream);
customization.AddSections(spec.sections);
this.customization = customization;
this.customization.SpecificationUpdated += OnSpecificationUpdate;
}
/// <summary>
/// Notifies the SearchModel update event with list of updated elements
/// </summary>
/// <param name="customization">ILibraryViewCustomization to update the
/// specification and raise specification changed event.</param>
/// <param name="elements">List of updated elements</param>
private static void NotifySearchModelUpdate(ILibraryViewCustomization customization, IEnumerable <NodeSearchElement> elements)
{
var includes = elements
.Select(NodeItemDataProvider.GetFullyQualifiedName)
.Select(name => name.Split('.').First())
.Distinct()
.SkipWhile(s => s.Contains("://"))
.Select(p => new LayoutIncludeInfo()
{
path = p
});
customization.AddIncludeInfo(includes, "Add-ons");
}
internal static IDisposable SetupSearchModelEventsObserver(NodeSearchModel model, IEventController controller, ILibraryViewCustomization customization, int throttleTime = 200)
{
customization.SpecificationUpdated += (o, e) => controller.RaiseEvent("libraryDataUpdated");
var observer = new EventObserver <NodeSearchElement, IEnumerable <NodeSearchElement> >(
elements => NotifySearchModelUpdate(customization, elements), CollectToList
).Throttle(TimeSpan.FromMilliseconds(throttleTime));
Action <NodeSearchElement> handler = (searchElement) =>
{
var libraryViewController = (controller as LibraryViewController);
if ((libraryViewController != null) && (libraryViewController.disableObserver))
{
return;
}
observer.OnEvent(searchElement);
};
Action <NodeSearchElement> onRemove = e => handler(null);
//Set up the event callback
model.EntryAdded += handler;
model.EntryRemoved += onRemove;
model.EntryUpdated += handler;
//Set up the dispose event handler
observer.Disposed += () =>
{
model.EntryAdded -= handler;
model.EntryRemoved -= onRemove;
model.EntryUpdated -= handler;
};
return(observer);
}
/// <summary>
/// Creates a layoutSpecProvider with access to the IconResourceProvider
/// so that icon urls can be replaced with base64 encoded image data.
/// </summary>
/// <param name="customization"></param>
/// <param name="iconProvider"></param>
/// <param name="resource"></param>
/// <param name="assembly"></param>
public LayoutSpecProvider(ILibraryViewCustomization customization, IconResourceProvider iconProvider, string resource, Assembly assembly = null) :
this(customization, resource, assembly)
{
this.iconProvider = iconProvider;
}
