protected CodeList Suggest(CodeSuggestion suggestion)
{
CodeList codes = AbstractMessenger.cachedCodeLists[suggestion.Code];
if (null == codes)
{
throw new Exception("CodeTable invalid.");
}
var parent = suggestion.Parent;
var isTopLevel = suggestion.TopLevel;
var prefix = suggestion.Prefix;
var pageSize = suggestion.PageSize;
if (pageSize <= 0)
{
pageSize = 15;
}
{
IList <CodeItem> items = codes.Items;
if (false == string.IsNullOrEmpty(parent) || false == isTopLevel)
{
items = codes.Filter(parent).Items;
}
// make a copy.
codes = new CodeList {
Items = new List <CodeItem>(items), Name = codes.Name
};
}
if (prefix.Length == 0)
{
var x = (from c in codes.Items
where c.IsEnabled
orderby c.ItemIndex, c.CodeName ascending
select c);
codes.Items = x.Skip(pageSize * suggestion.PageNo).Take(pageSize).ToArray();
}
else
{
var x = (from c in codes.Items
where c.IsEnabled &&
(this.IndexOf((c.CodeName + '|' + c.Spell).ToLower(), prefix) >= 0)
orderby c.ItemIndex, this.IndexOf((c.CodeName + '|' + c.Spell).ToLower(), prefix), c.CodeName ascending
select c);
codes.Items = x.Skip(pageSize * suggestion.PageNo).Take(pageSize).ToArray();
}
return(codes);
}