public int Compare(KeyValuePair <int, string> xpair, KeyValuePair <int, string> ypair)
{
string x = xpair.Value;
string y = ypair.Value;
int[] xMatches = ListWidget.Match(filterWord, x) ?? new int[0];
int[] yMatches = ListWidget.Match(filterWord, y) ?? new int[0];
if (xMatches.Length < yMatches.Length)
{
return(1);
}
if (xMatches.Length > yMatches.Length)
{
return(-1);
}
int xExact = 0;
int yExact = 0;
for (int i = 0; i < filterWord.Length; i++)
{
if (i < xMatches.Length && filterWord[i] == x[xMatches[i]])
{
xExact++;
}
if (i < yMatches.Length && filterWord[i] == y[yMatches[i]])
{
yExact++;
}
}
if (xExact < yExact)
{
return(1);
}
if (xExact > yExact)
{
return(-1);
}
// favor words where the match starts sooner
if (xMatches.Length > 0 && yMatches.Length > 0 && xMatches[0] != yMatches[0])
{
return(xMatches[0].CompareTo(yMatches[0]));
}
int xIndex = xpair.Key;
int yIndex = ypair.Key;
if (x.Length == y.Length)
{
return(xIndex.CompareTo(yIndex));
}
return(x.Length.CompareTo(y.Length));
}
protected int FindMatchedEntry(string partialWord, out bool hasMismatches)
{
// default - word with highest match rating in the list.
hasMismatches = true;
int idx = -1;
List <KeyValuePair <int, string> > words = new List <KeyValuePair <int, string> > ();
if (!string.IsNullOrEmpty(partialWord))
{
for (int i = 0; i < list.filteredItems.Count; i++)
{
int index = list.filteredItems[i];
string text = DataProvider.GetCompletionText(index);
//Console.WriteLine("partialWord->"+partialWord);
//Console.WriteLine("text->"+text);
if (!ListWidget.Matches(partialWord, text))
{
continue;
}
words.Add(new KeyValuePair <int, string> (i, text));
}
}
ListWindow.WordComparer comparer = new WordComparer(partialWord);
if (words.Count > 0)
{
words.Sort(comparer);
idx = words[0].Key;
hasMismatches = false;
// exact match found.
if (words[0].Value.ToUpper() == (partialWord ?? "").ToUpper())
{
return(idx);
}
}
if (string.IsNullOrEmpty(partialWord) || partialWord.Length <= 2)
{
// Search for history matches.
for (int i = 0; i < wordHistory.Count; i++)
{
string historyWord = wordHistory[i];
if (ListWidget.Matches(partialWord, historyWord))
{
for (int xIndex = 0; xIndex < list.filteredItems.Count; xIndex++)
{
string currentWord = DataProvider.GetCompletionText(list.filteredItems[xIndex]);
if (currentWord == historyWord)
{
idx = xIndex;
break;
}
}
}
}
}
return(idx);
}
