public virtual Task <IEnumerable <StorageProviderItem> > GetChildrenByParentItem(StorageProviderItem parent)
{
return(BaseProvider.GetChildrenByParentItem(parent));
}
private async Task SetSelectedItem(StorageProviderItem item)
{
if (m_selectedItem == item || item.Type != StorageProviderItemType.Folder) return;
m_selectedItem = item;
await UpdateListView();
m_txtUrl.Text = GetResultUri();
}
private async Task<ItemInfo> GetItemInfo(StorageProviderItem item)
{
if (m_cache.ContainsKey(item))
return m_cache[item];
var info = new ItemInfo();
var result = await m_provider.GetChildrenByParentItem(item);
info.Children = result.OrderByDescending(_ => _.Type).ThenBy(_ => _.Name).ToArray();
if (item.ParentReferenceId != null)
{
var parent = m_cache.Keys.SingleOrDefault(_ => _.Id == item.ParentReferenceId);
if (parent != null)
info.Parent = parent;
else
throw new NotImplementedException();
//await m_provider.GetItem(item.ParentReference.Id);
}
m_cache.Add(item, info);
return info;
}
private async Task<ItemInfo> GetItemInfo(StorageProviderItem item)
{
if (m_cache.ContainsKey(item))
return m_cache[item];
var info = new ItemInfo();
if (item.ParentReferenceId != null)
{
var parent = m_cache.Keys.SingleOrDefault(_ => _.Id == item.ParentReferenceId);
if (parent != null)
info.Parent = parent;
else
throw new InvalidOperationException("Parent of node not found!");
//await m_provider.GetItem(item.ParentReference.Id);
}
IEnumerable<StorageProviderItem> result;
try
{
result = await m_provider.GetChildrenByParentItem(item);
}
catch (Exception ex)
{
MessageService.ShowWarning("Error loading file list.\r\nException:", ex);
return info;
}
info.Children = result.OrderByDescending(_ => _.Type).ThenBy(_ => _.Name).ToArray();
m_cache.Add(item, info);
return info;
}