public void InitializeTheList(IStateManager stateManager, IPageManager pageManager, IReferenceManager refManager, ISurrogateManager surManager, IUniqueIDGenerator uniqueIdGenerator, IServerEventAggregator serverEventAggregator)
{
_stateManager = stateManager;
_pageManager = pageManager;
_referenceManager = refManager;
_surrogateManager = surManager;
_uniqueIdGenerator = uniqueIdGenerator;
_serverEventAggregator = serverEventAggregator;
InitializeOperationHelper();
}
private object GetLazyObjectFor(object item, IStateManager stateManager, IServerEventAggregator serverAggregator = null)
{
if (serverAggregator != null)
{
return(new LazyObject(item, stateManager, serverAggregator));
}
else
{
return(new LazyObject(item, stateManager));
}
}
internal LazyObject(object obj, IStateManager statemanager, IServerEventAggregator ea)
{
this._obj = obj;
ea.SubsribeEvent(this);
this.StateManager = statemanager;
}
/// <summary>
/// Insert the element into the correct position of the page
/// </summary>
/// <param name="index">This is the index of the list, not the index where the element will be inserted in the page</param>
/// <param name="item">The item that should be stored into the page</param>
protected void InsertElementToPage(int index, object item, Page page, int initialPosition, IStateManager stateManager, IUniqueIDGenerator uniqueIDGenerator, IServerEventAggregator serverAggregator)
{
int realPageIndex = index - initialPosition;
var stateObject = item as IStateObject;
//The item is not promoted yet.
//We are going to promote the item.
if (stateObject != null)
{
// This means that the stateobject is a temporal object. so it is in the tempcache
if (!stateManager.IsStateObjectAttached(stateObject))
{
stateManager.PromoteObject(stateObject, uniqueIDGenerator.GetPageItemUniqueID());
page.InsertSafe(realPageIndex, GetLazyObjectFor(item, stateManager));
}
else
{
var itemAsStateObject = item as IStateObject;
//If the item is in elements to remove
//this means that the item has been unsubscribed previously,
//so we have to take it out from elements to remove and promote again all its dependants
if (stateManager.IsInElementsToRemove(itemAsStateObject.UniqueID))
{
stateManager.PromoteListItem(itemAsStateObject.UniqueID, item as IStateObject, true, new HashSet <string>());
}
//Is all branches attached
page.InsertSafe(realPageIndex, GetLazyObjectFor(item, stateManager));
}
}
else
{
page.InsertSafe(realPageIndex, GetLazyObjectFor(item, stateManager));
}
stateManager.MarkAsDirty(page, "StoredObjects");
}
