/// <summary>
/// Return a content item if it is already loaded, otherwise load the content item syncronously.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="uri"></param>
/// <param name="enque"></param>
/// <returns></returns>
public ContentItem Get <T>(string uri, bool enque = false)
{
ContentItem item;
lock (_contentItems)
{
if (_contentItems.Contains(uri))
{
return(_contentItems[uri]);
}
else
{
item = new ContentItem(uri, null);
_contentItems.Add(item);
}
}
item.loader = Loader <T>;
if (enque)
{
_loadQueue.Enqueue(item);
}
else
{
item.LoadingStatus = LoadingStatus.Loading;
item.loader(item);
item.LoadingStatus = LoadingStatus.Loaded;
}
return(item);
}
/// <summary>
/// Refresh the collection and close the form
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void btnClose_Click(object sender, EventArgs e)
{
if (wasModified)
{
items.Clear();
for (int idx = 0; idx < lbContentItems.Items.Count; idx++)
{
items.Add((ContentItem)lbContentItems.Items[idx]);
}
}
this.Close();
}
