///<summary></summary>
private List <MatchOD> GetWords()
{
List <MatchOD> wordList = new List <MatchOD>();
MatchCollection mc = Regex.Matches(Text, @"(\S+)"); //use Regex.Matches because our matches include the index within our text for underlining
foreach (Match m in mc)
{
Group g = m.Groups[0]; //Group 0 is the entire match
if (g.Value.Length < 2) //only allow 'words' that are at least two chars long, 1 char 'words' are assumed spelled correctly
{
continue;
}
MatchOD word = new MatchOD();
word.StartIndex = g.Index; //this index is the index within Text of the first char of this word (match)
word.Value = g.Value;
//loop through starting at the beginning of word looking for first letter or digit
while (word.Value.Length > 1 && !Char.IsLetterOrDigit(word.Value[0]))
{
word.Value = word.Value.Substring(1);
word.StartIndex++;
}
//loop through starting at the last char looking for the last letter or digit
while (word.Value.Length > 1 && !Char.IsLetterOrDigit(word.Value[word.Value.Length - 1]))
{
word.Value = word.Value.Substring(0, word.Value.Length - 1);
}
if (word.Value.Length > 1)
{
if (Regex.IsMatch(word.Value, @"[^a-zA-Z\'\-]"))
{
continue;
}
wordList.Add(word);
}
}
return(wordList);
}
///<summary></summary>
private List<MatchOD> GetWords() {
List<MatchOD> wordList=new List<MatchOD>();
MatchCollection mc=Regex.Matches(Text,@"(\S+)");//use Regex.Matches because our matches include the index within our text for underlining
foreach(Match m in mc) {
Group g=m.Groups[0];//Group 0 is the entire match
if(g.Value.Length<2) {//only allow 'words' that are at least two chars long, 1 char 'words' are assumed spelled correctly
continue;
}
MatchOD word=new MatchOD();
word.StartIndex=g.Index;//this index is the index within Text of the first char of this word (match)
word.Value=g.Value;
//loop through starting at the beginning of word looking for first letter or digit
while(word.Value.Length>1 && !Char.IsLetterOrDigit(word.Value[0])) {
word.Value=word.Value.Substring(1);
word.StartIndex++;
}
//loop through starting at the last char looking for the last letter or digit
while(word.Value.Length>1 && !Char.IsLetterOrDigit(word.Value[word.Value.Length-1])) {
word.Value=word.Value.Substring(0,word.Value.Length-1);
}
if(word.Value.Length>1) {
if(Regex.IsMatch(word.Value,@"[^a-zA-Z\'\-]")) {
continue;
}
wordList.Add(word);
}
}
return wordList;
}
///<summary>Determines whether the right click was on a misspelled word. Also sets the start and end index of chars to be replaced in text.</summary>
private bool IsOnMisspelled(Point PositionOfClick)
{
int charIndex = this.GetCharIndexFromPosition(PositionOfClick);
Point charLocation = this.GetPositionFromCharIndex(charIndex);
if (PositionOfClick.Y < charLocation.Y - 2 || PositionOfClick.Y > charLocation.Y + this.FontHeight + 2) //this is the closest char but they were not very close when they right clicked
{
return(false);
}
char c = this.GetCharFromPosition(PositionOfClick);
if (c == '\n') //if closest char is a new line char, then assume not on a misspelled word
{
return(false);
}
List <MatchOD> words = GetWords();
if (words.Count == 0)
{
return(false);
}
int ind = 0;
#region Binary search to find first word in visible area
int minIndex = 0;
int maxIndex = words.Count - 1;
ind = maxIndex;
while (maxIndex > minIndex)
{
if (this.GetPositionFromCharIndex(words[ind].StartIndex).Y < 0) //words[ind] is above the visible area, so make ind our new minimum index
{
minIndex = ind;
}
else if (this.GetPositionFromCharIndex(words[ind].StartIndex).Y > this.Height) //words[ind] is beyond the visible area, so make ind our new maximum index
{
maxIndex = ind;
}
else
{
break;
}
ind = maxIndex - ((maxIndex - minIndex) / 2); //set ind to be the halfway point between max and min
if (ind == maxIndex || ind == minIndex) //this will occur if there is no word in the visible area, break out of loop
{
break;
}
}
#endregion
if (this.GetPositionFromCharIndex(words[ind].StartIndex).Y > 0 && this.GetPositionFromCharIndex(words[ind].StartIndex).Y <= this.Height) //if words[ind] is in visible area
{
while (ind > 0 && this.GetPositionFromCharIndex(words[ind - 1].StartIndex).Y > 0)
{
ind--; //backup to first visible word
}
}
for (int i = ind; i < words.Count; i++)
{
if (this.GetPositionFromCharIndex(words[i].StartIndex).Y > this.Height)
{
ReplWord = null;
break;
}
if (charIndex >= words[i].StartIndex && charIndex <= (words[i].StartIndex + words[i].Value.Length - 1))
{
ReplWord = words[i];
break;
}
}
if (ReplWord == null)
{
return(false);
}
if (ListIncorrect.Contains(ReplWord.Value))
{
return(true);
}
return(false);
}
///<summary>Determines whether the right click was on a misspelled word. Also sets the start and end index of chars to be replaced in text.</summary>
private bool IsOnMisspelled(Point PositionOfClick) {
int charIndex=this.GetCharIndexFromPosition(PositionOfClick);
Point charLocation=this.GetPositionFromCharIndex(charIndex);
if(PositionOfClick.Y<charLocation.Y-2 || PositionOfClick.Y>charLocation.Y+this.FontHeight+2) {//this is the closest char but they were not very close when they right clicked
return false;
}
char c=this.GetCharFromPosition(PositionOfClick);
if(c=='\n') {//if closest char is a new line char, then assume not on a misspelled word
return false;
}
List<MatchOD> words=GetWords();
if(words.Count==0) {
return false;
}
int ind=0;
#region Binary search to find first word in visible area
int minIndex=0;
int maxIndex=words.Count-1;
ind=maxIndex;
while(maxIndex > minIndex) {
if(this.GetPositionFromCharIndex(words[ind].StartIndex).Y<0) {//words[ind] is above the visible area, so make ind our new minimum index
minIndex=ind;
}
else if(this.GetPositionFromCharIndex(words[ind].StartIndex).Y>this.Height) {//words[ind] is beyond the visible area, so make ind our new maximum index
maxIndex=ind;
}
else {
break;
}
ind=maxIndex-((maxIndex-minIndex)/2);//set ind to be the halfway point between max and min
if(ind==maxIndex || ind==minIndex) {//this will occur if there is no word in the visible area, break out of loop
break;
}
}
#endregion
if(this.GetPositionFromCharIndex(words[ind].StartIndex).Y>0 && this.GetPositionFromCharIndex(words[ind].StartIndex).Y<=this.Height) {//if words[ind] is in visible area
while(ind>0 && this.GetPositionFromCharIndex(words[ind-1].StartIndex).Y>0) {
ind--;//backup to first visible word
}
}
for(int i=ind;i<words.Count;i++) {
if(this.GetPositionFromCharIndex(words[i].StartIndex).Y>this.Height) {
ReplWord=null;
break;
}
if(charIndex>=words[i].StartIndex && charIndex<=(words[i].StartIndex+words[i].Value.Length-1)) {
ReplWord=words[i];
break;
}
}
if(ReplWord==null) {
return false;
}
if(ListIncorrect.Contains(ReplWord.Value)) {
return true;
}
return false;
}