// .... NOTE: this function is separated from SetDocument because UI needs to be updated first before we fire any selection events
public void Init()
{
if (DocumentState != null)
{
SelectWordPlease?.Invoke(DocumentState.Word);
}
}
public void SetSearchString(string searchText)
{
searching.IsSearchInProgress = true;
var index = ttsDocument.Text.IndexOf(searchText, searching.LastSearchIndex, StringComparison.InvariantCultureIgnoreCase);
if (index == -1)
{
SelectWordPlease?.Invoke(null);
}
else
{
//searching.LastSearchIndex = index + searchText.Length;
searching.SearchHighlight = new WordHighlight(index, searchText.Length);
SelectWordPlease?.Invoke(searching.SearchHighlight);
}
}
private void ttsService_Word(string text, int offset, int start, int length)
{
if (DocumentState == null)
{
return;
}
if (!ttsService.IsPlaying)
{
return;
}
DocumentState.Word.StartIndex = offset + start; // + startedReadingFromHere;
DocumentState.Word.Length = length;
if (!searching.IsSearchInProgress)
{
SelectWordPlease?.Invoke(DocumentState.Word);
}
}
public void Goto(int position)
{
if (DocumentState == null)
{
return;
}
// search up in the string to find correct start of the double-clicked word
int wStart, wLength;
Utils.FindWord(
text: ttsDocument.Text,
position: position,
paraStart: out wStart,
paraLength: out wLength);
var subword = ttsDocument.Text.Substring(wStart, wLength);
DocumentState.Word.StartIndex = wStart;
DocumentState.Word.Length = wLength;
SelectWordPlease?.Invoke(DocumentState.Word);
}
public void ClearSearch()
{
searching.IsSearchInProgress = false;
SelectWordPlease?.Invoke(null);
}