/// <summary>
/// Synchronizes the shared source with the shared source provided.
/// </summary>
public void Sync(SharedSource <T> sharedSource)
{
var entries = sharedSource.Entries;
var items = sharedSource.Items;
var selectedIndex = sharedSource.SelectedIndex;
this.handleSelectionChanged = false;
this.ClearFast();
int index = 0;
foreach (var entry in entries)
{
var type = entry.SourceType;
if (!typeof(T).IsAssignableFrom(type))
{
throw new ArgumentException($"The type '{type.Name}' not inherits from '{typeof(T).Name}'");
}
var originalItem = items.ElementAt(index);
var item = NavigationHelper.EnsureNewView(originalItem);
this.items.Insert(index, (T)item);
this.entries.Insert(index, new NavigationEntry(type, entry.Parameter));
index++;
}
this.handleSelectionChanged = true;
if (selectedIndex >= 0 && this.items.Count > 0)
{
TrySelectItem(selectedIndex);
}
}
/// <summary>
/// Creates the <see cref="SharedSource{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static SharedSource <T> CreateSharedSource <T>()
{
if (ContainsSharedSource <T>())
{
throw new InvalidOperationException($"A shared source source is already registered for '{typeof(T).Name}'");
}
var sharedSource = new SharedSource <T>();
sharedSources[typeof(T)] = sharedSource;
return(sharedSource);
}
/// <summary>
/// Creates a <see cref="SharedSource{T}"/> with a key.
/// </summary>
/// <typeparam name="T">The type</typeparam>
/// <param name="key">The key</param>
/// <returns></returns>
public static SharedSource <T> CreateSharedSource <T>(string key)
{
var sharedSource = new SharedSource <T>();
var type = typeof(T);
if (!keyedSharedSources.ContainsKey(type))
{
keyedSharedSources[type] = new Dictionary <string, ISharedSource>();
}
keyedSharedSources[type][key] = sharedSource;
return(sharedSource);
}
