private void ParseText(string value)
{
if (value == null)
{
value = "";
}
if (_stackPanel == null)
{
return;
}
//System.Diagnostics.Debug.WriteLine("{0} ParseText", GetHashCode());
// Clear previous TextBlocks
_stackPanel.Children.Clear();
var suppressParsing = BrowserNavigationService.GetSuppressParsing(this);
var message = DataContext as TLMessageBase ?? BrowserNavigationService.GetMessage(this);
var decryptedMessage = DataContext as TLDecryptedMessageBase;
var fitIn2000Pixels = CheckFitInMaxRenderHeight(value);
if (fitIn2000Pixels)
{
var textBlock = GetTextBlock();
BrowserNavigationService.SetSuppressParsing(textBlock, suppressParsing);
BrowserNavigationService.SetMessage(textBlock, message);
BrowserNavigationService.SetDecryptedMessage(textBlock, decryptedMessage);
BrowserNavigationService.SetAddFooter(textBlock, true);
BrowserNavigationService.SetText(textBlock, value);
_stackPanel.Children.Add(textBlock);
_footerRun = GetFooter(textBlock);
}
else
{
ParseLineExtended(value);
}
}
private void ParseLineExtended(string allText)
{
if (string.IsNullOrEmpty(allText))
{
return;
}
int cutIndex = MAX_STR_LENGTH;
if (cutIndex >= allText.Length)
{
cutIndex = allText.Length - 1;
}
var endOfSentenceIndAfterCut = allText.IndexOf(".", cutIndex);
if (endOfSentenceIndAfterCut >= 0 && endOfSentenceIndAfterCut - cutIndex < 200)
{
cutIndex = endOfSentenceIndAfterCut;
}
else
{
var whiteSpaceIndAfterCut = allText.IndexOf(' ', cutIndex);
if (whiteSpaceIndAfterCut >= 0 && whiteSpaceIndAfterCut - cutIndex < 100)
{
cutIndex = whiteSpaceIndAfterCut;
}
}
// add all whitespaces before cut
while (cutIndex + 1 < allText.Length &&
allText[cutIndex + 1] == ' ')
{
cutIndex++;
}
var suppressParsing = BrowserNavigationService.GetSuppressParsing(this);
var message = DataContext as TLMessageBase;
var decryptedMessage = DataContext as TLDecryptedMessageBase;
var leftSide = allText.Substring(0, cutIndex + 1);
allText = allText.Substring(cutIndex + 1);
var isLastTextBlock = allText.Length <= 0;
var textBlock = GetTextBlock();
BrowserNavigationService.SetSuppressParsing(textBlock, suppressParsing);
BrowserNavigationService.SetMessage(textBlock, message);
BrowserNavigationService.SetDecryptedMessage(textBlock, decryptedMessage);
if (isLastTextBlock)
{
BrowserNavigationService.SetAddFooter(textBlock, true);
}
BrowserNavigationService.SetText(textBlock, leftSide);
_stackPanel.Children.Add(textBlock);
_footerRun = GetFooter(textBlock);
if (!isLastTextBlock)
{
ParseLineExtended(allText);
}
}
