public void SetBold(int startIndex, int endIndex, bool bold)
{
if (startIndex < 0)
{
throw new ArgumentException("startIndex must be >= 0");
}
if (startIndex > endIndex)
{
throw new ArgumentException("startIndex must be <= endIndex");
}
if (startIndex == endIndex)
{
return;
}
var pos = 0;
for (var i = 0; i < words.Count; i++)
{
var word = words[i];
if (pos >= endIndex)
{
break;
}
var wordEnd = pos + word.Word.Length;
// 3 possibilities:
if (startIndex <= pos && endIndex >= wordEnd)
{
// word is fully in region:
word.Bold = bold;
}
else if (startIndex <= pos)
{
// beginning of word is in region
var inRegionLength = endIndex - pos;
var newWord = new SimpleTextWord(word.Type, word.Word.Substring(inRegionLength), word.Bold,
word.Color);
words.Insert(i + 1, newWord);
word.Bold = bold;
word.Word = word.Word.Substring(0, inRegionLength);
}
else if (startIndex < wordEnd)
{
// end of word is in region (or middle of word is in region)
var notInRegionLength = startIndex - pos;
var newWord = new SimpleTextWord(word.Type, word.Word.Substring(notInRegionLength), word.Bold,
word.Color);
// newWord.Bold will be set in the next iteration
words.Insert(i + 1, newWord);
word.Word = word.Word.Substring(0, notInRegionLength);
}
pos = wordEnd;
}
}
public void SetBold(int startIndex, int endIndex, bool bold)
{
if (startIndex < 0)
{
throw new ArgumentException("startIndex must be >= 0");
}
if (startIndex > endIndex)
{
throw new ArgumentException("startIndex must be <= endIndex");
}
if (startIndex == endIndex)
{
return;
}
int pos = 0;
for (int i = 0; i < words.Count; i++)
{
SimpleTextWord word = words[i];
if (pos >= endIndex)
{
break;
}
int wordEnd = pos + word.Word.Length;
if (startIndex <= pos && endIndex >= wordEnd)
{
word.Bold = bold;
}
else if (startIndex <= pos)
{
int inRegionLength = endIndex - pos;
SimpleTextWord newWord = new SimpleTextWord(word.Type, word.Word.Substring(inRegionLength), word.Bold, word.Color);
words.Insert(i + 1, newWord);
word.Bold = bold;
word.Word = word.Word.Substring(0, inRegionLength);
}
else if (startIndex < wordEnd)
{
int notInRegionLength = startIndex - pos;
SimpleTextWord newWord = new SimpleTextWord(word.Type, word.Word.Substring(notInRegionLength), word.Bold, word.Color);
words.Insert(i + 1, newWord);
word.Word = word.Word.Substring(0, notInRegionLength);
}
pos = wordEnd;
}
}
public void SetBold(int startIndex, int endIndex, bool bold)
{
if (startIndex < 0)
throw new ArgumentException("startIndex must be >= 0");
if (startIndex > endIndex)
throw new ArgumentException("startIndex must be <= endIndex");
if (startIndex == endIndex) return;
int pos = 0;
for (int i = 0; i < words.Count; i++) {
SimpleTextWord word = words[i];
if (pos >= endIndex)
break;
int wordEnd = pos + word.Word.Length;
// 3 possibilities:
if (startIndex <= pos && endIndex >= wordEnd) {
// word is fully in region:
word.Bold = bold;
} else if (startIndex <= pos) {
// beginning of word is in region
int inRegionLength = endIndex - pos;
SimpleTextWord newWord = new SimpleTextWord(word.Type, word.Word.Substring(inRegionLength), word.Bold, word.Color);
words.Insert(i + 1, newWord);
word.Bold = bold;
word.Word = word.Word.Substring(0, inRegionLength);
} else if (startIndex < wordEnd) {
// end of word is in region (or middle of word is in region)
int notInRegionLength = startIndex - pos;
SimpleTextWord newWord = new SimpleTextWord(word.Type, word.Word.Substring(notInRegionLength), word.Bold, word.Color);
// newWord.Bold will be set in the next iteration
words.Insert(i + 1, newWord);
word.Word = word.Word.Substring(0, notInRegionLength);
}
pos = wordEnd;
}
}