public void SuggestUsing(SuggestionBase suggestion)
{
if (suggestion == null)
{
throw new ArgumentNullException(nameof(suggestion));
}
AssertCanSuggest();
SuggestToken token;
switch (suggestion)
{
case SuggestionWithTerm term:
token = SuggestToken.Create(term.Field, AddQueryParameter(term.Term), GetOptionsParameterName(term.Options));
break;
case SuggestionWithTerms terms:
token = SuggestToken.Create(terms.Field, AddQueryParameter(terms.Terms), GetOptionsParameterName(terms.Options));
break;
default:
throw new NotSupportedException($"Unknown type of suggestion '{suggestion.GetType()}'");
}
SelectTokens.AddLast(token);
}
private void AssertCanSuggest(SuggestionBase suggestion)
{
if (WhereTokens.Count > 0)
{
throw new InvalidOperationException("Cannot add suggest when WHERE statements are present.");
}
if (SelectTokens.Count > 0)
{
if (SelectTokens.Last.Value is SuggestToken st)
{
if (st.FieldName == suggestion.Field)
{
throw new InvalidOperationException("Cannot add suggest for the same field again.");
}
}
else
{
throw new InvalidOperationException("Cannot add suggest when SELECT statements are present.");
}
}
if (OrderByTokens.Count > 0)
{
throw new InvalidOperationException("Cannot add suggest when ORDER BY statements are present.");
}
}
void CreateMenuItems(RichEditPopupMenu menu, DocumentRange range, string word)
{
SuggestionCollection suggestions = this.spellChecker1.GetSuggestions(word);
int count = suggestions.Count;
if (count > 0)
{
int lastIndex = Math.Min(count - 1, 5);
for (int i = lastIndex; i >= 0; i--)
{
SuggestionBase suggestion = suggestions[i];
SuggestionMenuItem item =
new SuggestionMenuItem(rtControl.Document, suggestion.Suggestion, range);
menu.Items.Insert(0, item);
}
}
else
{
DXMenuItem emptyItem = new DXMenuItem("no spelling suggestions");
emptyItem.Enabled = false;
menu.Items.Insert(0, emptyItem);
}
}
IAsyncSuggestionDocumentQuery <T> IAsyncDocumentQuery <T> .SuggestUsing(SuggestionBase suggestion)
{
SuggestUsing(suggestion);
return(new AsyncSuggestionDocumentQuery <T>(this));
}
