public IEnumerable GetChildren(object parent)
{
ObservableCollection <ServerTreeItem> observableCollection = new ObservableCollection <ServerTreeItem>();
if (parent == null)
{
if (string.IsNullOrWhiteSpace(this._currentFilter))
{
return(this._treeData);
}
foreach (ServerTreeItem current in this._treeData)
{
if (!IsNullOrEmptyExtension.IsNullOrEmpty(this.GetChildren(current)))
{
observableCollection.Add(current);
}
}
return(observableCollection);
}
else
{
ServerTreeItem serverTreeItem = parent as ServerTreeItem;
if (serverTreeItem == null)
{
return(observableCollection);
}
if (string.IsNullOrEmpty(this._currentFilter))
{
this.SortList(serverTreeItem.ServerTreeItems);
return(serverTreeItem.ServerTreeItems);
}
foreach (ServerTreeItem current2 in serverTreeItem.ServerTreeItems)
{
if (current2.Name.IndexOf(this._currentFilter, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
observableCollection.Add(current2);
}
}
this.SortList(observableCollection);
return(observableCollection);
}
}
public void IsNullOrEmpty()
{
Assert.IsTrue(IsNullOrEmptyExtension.IsNullOrEmpty(null));
Assert.IsTrue(string.Empty.IsNullOrEmpty());
Assert.IsFalse("lorem".IsNullOrEmpty());
}
