public static InlineStylesCount Count(InlineCollection collection, int startIndex)
{
InlineStylesCount stylesCount = new InlineStylesCount();
stylesCount.BoldCount = 0;
stylesCount.ItalicCount = 0;
stylesCount.UnderlinedCount = 0;
stylesCount.BoldCountingFinished = false;
stylesCount.UnderlinedCountingFinished = false;
stylesCount.ItalicCountingFinished = false;
stylesCount.Order = new List <InlineStyles>();
Count(collection, startIndex, stylesCount);
// build order
stylesCount.Order.Add(InlineStyles.Bold);
if (stylesCount.ItalicCount > stylesCount.BoldCount)
{
stylesCount.Order.Insert(0, InlineStyles.Italic);
}
else
{
stylesCount.Order.Add(InlineStyles.Italic);
}
for (int z = 0; z < 2; ++z)
{
if (stylesCount.Order[z] == InlineStyles.Bold && stylesCount.UnderlinedCount > stylesCount.BoldCount)
{
stylesCount.Order.Insert(z, InlineStyles.Underlined);
break;
}
else if (stylesCount.Order[z] == InlineStyles.Italic && stylesCount.UnderlinedCount > stylesCount.ItalicCount)
{
stylesCount.Order.Insert(z, InlineStyles.Underlined);
break;
}
else if (z == 1)
{
stylesCount.Order.Add(InlineStyles.Underlined);
}
}
// remove unneeded elements
/*
* if (stylesCount.BoldCount == 0)
* stylesCount.Order.Remove(InlineStyles.Bold);
* if (stylesCount.ItalicCount == 0)
* stylesCount.Order.Remove(InlineStyles.Italic);
* if (stylesCount.UnderlinedCount == 0)
* stylesCount.Order.Remove(InlineStyles.Underlined);
*/
return(stylesCount);
}
private static void Count(InlineCollection inlines, int startIndex, InlineStylesCount stylesCount)
{
for (int y = startIndex + 1; y < inlines.Count; ++y)
{
Inline inlineY = inlines.ElementAt(y);
if (inlineY.FontStyle == System.Windows.FontStyles.Italic)
{
stylesCount.ItalicCount++;
}
else
{
stylesCount.ItalicCountingFinished = true;
}
if (inlineY.FontWeight == System.Windows.FontWeights.Bold)
{
stylesCount.BoldCount++;
}
else
{
stylesCount.BoldCountingFinished = true;
}
if (inlineY.TextDecorations.Contains(System.Windows.TextDecorations.Underline[0]))
{
stylesCount.UnderlinedCount++;
}
else
{
stylesCount.UnderlinedCountingFinished = true;
}
// continue with children
if (inlineY is Span)
{
if (!stylesCount.BoldCountingFinished || !stylesCount.UnderlinedCountingFinished || !stylesCount.ItalicCountingFinished)
{
Count((inlineY as Span).Inlines, 0, stylesCount);
}
}
if (stylesCount.BoldCountingFinished && stylesCount.UnderlinedCountingFinished && stylesCount.ItalicCountingFinished)
{
break;
}
}
}
private static void Count(InlineCollection inlines, int startIndex, InlineStylesCount stylesCount)
{
for (int y = startIndex + 1; y < inlines.Count; ++y)
{
Inline inlineY = inlines.ElementAt(y);
if (inlineY.FontStyle == System.Windows.FontStyles.Italic)
stylesCount.ItalicCount++;
else
stylesCount.ItalicCountingFinished = true;
if (inlineY.FontWeight == System.Windows.FontWeights.Bold)
stylesCount.BoldCount++;
else
stylesCount.BoldCountingFinished = true;
if (inlineY.TextDecorations.Contains(System.Windows.TextDecorations.Underline[0]))
stylesCount.UnderlinedCount++;
else
stylesCount.UnderlinedCountingFinished = true;
// continue with children
if (inlineY is Span)
{
if (!stylesCount.BoldCountingFinished || !stylesCount.UnderlinedCountingFinished || !stylesCount.ItalicCountingFinished)
{
Count((inlineY as Span).Inlines, 0, stylesCount);
}
}
if (stylesCount.BoldCountingFinished && stylesCount.UnderlinedCountingFinished && stylesCount.ItalicCountingFinished)
break;
}
}
public static InlineStylesCount Count(InlineCollection collection, int startIndex)
{
InlineStylesCount stylesCount = new InlineStylesCount();
stylesCount.BoldCount = 0;
stylesCount.ItalicCount = 0;
stylesCount.UnderlinedCount = 0;
stylesCount.BoldCountingFinished = false;
stylesCount.UnderlinedCountingFinished = false;
stylesCount.ItalicCountingFinished = false;
stylesCount.Order = new List<InlineStyles>();
Count(collection, startIndex, stylesCount);
// build order
stylesCount.Order.Add(InlineStyles.Bold);
if (stylesCount.ItalicCount > stylesCount.BoldCount)
stylesCount.Order.Insert(0, InlineStyles.Italic);
else
stylesCount.Order.Add(InlineStyles.Italic);
for (int z = 0; z < 2; ++z)
{
if (stylesCount.Order[z] == InlineStyles.Bold && stylesCount.UnderlinedCount > stylesCount.BoldCount)
{
stylesCount.Order.Insert(z, InlineStyles.Underlined);
break;
}
else if (stylesCount.Order[z] == InlineStyles.Italic && stylesCount.UnderlinedCount > stylesCount.ItalicCount)
{
stylesCount.Order.Insert(z, InlineStyles.Underlined);
break;
}
else if (z == 1)
stylesCount.Order.Add(InlineStyles.Underlined);
}
// remove unneeded elements
/*
if (stylesCount.BoldCount == 0)
stylesCount.Order.Remove(InlineStyles.Bold);
if (stylesCount.ItalicCount == 0)
stylesCount.Order.Remove(InlineStyles.Italic);
if (stylesCount.UnderlinedCount == 0)
stylesCount.Order.Remove(InlineStyles.Underlined);
*/
return stylesCount;
}
/// <summary>
/// Convert an flow document inlines into their (combined!) html representation.
/// </summary>
/// <param name="inlines">Flow document inlines collection.</param>
/// <param name="htmlWriter">XmlTextWriter producing resulting html.</param>
/// <param name="conversionResult">Conversion result to store error and warning messages. Can be null.</param>
/// <param name="inheritedStyle">Inherited inline styles.</param>
/// <remarks>
/// Supported: Hyperlink, Bold, Underline, Italic as well as Run and InlineUIContainer for Image.
/// </remarks>
private static void AddInlines(InlineCollection inlines, XmlTextWriter htmlWriter, ValidationResult conversionResult, List <InlineStyles> inheritedStyle)
{
for (int i = 0; i < inlines.Count; ++i)
{
Inline inline = inlines.ElementAt(i);
#region InheritedStyle + B,I,U processing
bool bAddBold = false;
bool bAddItalic = false;
bool bAddUnderlined = false;
// Bold
if (inline.FontWeight != System.Windows.FontWeights.Bold && inheritedStyle.Contains(InlineStyles.Bold))
{
// close last element tag
htmlWriter.WriteEndElement();
inheritedStyle.Remove(InlineStyles.Bold);
}
else if (!inheritedStyle.Contains(InlineStyles.Bold) && inline.FontWeight == System.Windows.FontWeights.Bold)
{
bAddBold = true;
}
// Italic
if (inline.FontStyle != System.Windows.FontStyles.Italic && inheritedStyle.Contains(InlineStyles.Italic))
{
// close last element tag
htmlWriter.WriteEndElement();
inheritedStyle.Remove(InlineStyles.Italic);
}
else if (!inheritedStyle.Contains(InlineStyles.Italic) && inline.FontStyle == System.Windows.FontStyles.Italic)
{
bAddItalic = true;
}
// Underline
bool bHasUnderline = false;
if (inline is Run && inline.Parent is Span)
{
if ((inline.Parent as Span).TextDecorations.Contains(System.Windows.TextDecorations.Underline[0]))
{
bHasUnderline = true;
}
}
if (!inline.TextDecorations.Contains(System.Windows.TextDecorations.Underline[0]) && inheritedStyle.Contains(InlineStyles.Underlined))
{
if (!bHasUnderline)
{
// close last element tag
htmlWriter.WriteEndElement();
inheritedStyle.Remove(InlineStyles.Underlined);
}
}
else if (!inheritedStyle.Contains(InlineStyles.Underlined) && inline.TextDecorations.Contains(System.Windows.TextDecorations.Underline[0]))
{
if (!bHasUnderline)
{
bAddUnderlined = true;
}
}
if (inline is HtmlHyperlink)
{
bAddUnderlined = false;
}
// see what needs to be added.. if multiple elements need to be added, than we have to iterate through
// siblings to see what tag to set first (depending on what to close first).
if (bAddUnderlined || bAddBold || bAddItalic)
{
if (bAddBold && bAddItalic || bAddBold && bAddUnderlined || bAddItalic && bAddUnderlined)
{
InlineStylesCount stylesCount = InlineStylesCounter.Count(inlines, i + 1);
// see what has to be added first
// add tags
for (int z = 0; z < 3; ++z)
{
if (stylesCount.Order[z] == InlineStyles.Bold && bAddBold)
{
htmlWriter.WriteStartElement("b");
inheritedStyle.Add(InlineStyles.Bold);
}
else if (stylesCount.Order[z] == InlineStyles.Italic && bAddItalic)
{
htmlWriter.WriteStartElement("i");
inheritedStyle.Add(InlineStyles.Italic);
}
else if (stylesCount.Order[z] == InlineStyles.Underlined && bAddUnderlined)
{
htmlWriter.WriteStartElement("u");
inheritedStyle.Add(InlineStyles.Underlined);
}
}
}
else
{
// just add the tag of the needed style
if (bAddBold)
{
htmlWriter.WriteStartElement("b");
inheritedStyle.Add(InlineStyles.Bold);
}
else if (bAddItalic)
{
htmlWriter.WriteStartElement("i");
inheritedStyle.Add(InlineStyles.Italic);
}
else if (bAddUnderlined)
{
htmlWriter.WriteStartElement("u");
inheritedStyle.Add(InlineStyles.Underlined);
}
}
}
#endregion
// continue with text or inlines
if (inline is InlineUIContainer)
{
InlineUIContainer container = inline as InlineUIContainer;
if (container.Child is HtmlImage)
{
// Add image
AddImage(container.Child as HtmlImage, htmlWriter, conversionResult);
}
else if (container.Child is System.Windows.Controls.TextBlock)
{
// Comment, just add text as is
string text = ExtendedHtmlUtility.HtmlEntityEncode((container.Child as System.Windows.Controls.TextBlock).Text);
htmlWriter.WriteRaw(text);
}
else
{
// not supported
if (conversionResult != null)
{
if (container.Child != null)
{
conversionResult.AddMessage(new ConversionMessage(ModelValidationViolationType.Warning,
"AddInline: Unknown inline ui container child: " + container.Child.ToString()));
}
//else
// conversionResult.AddMessage(new ConversionMessage(ModelValidationViolationType.Warning,
// "AddInline: Inline ui container child is null: " + container.ToString()));
}
}
}
else if (inline is HtmlHyperlink)
{
// Add hyperlink
AddHyperlink(inline as HtmlHyperlink, htmlWriter, conversionResult, inheritedStyle);
}
else if (inline is Span)
{
Span span = inline as Span;
AddInlines(span.Inlines, htmlWriter, conversionResult, inheritedStyle);
}
else if (inline is Run)
{
string text = ExtendedHtmlUtility.HtmlEntityEncode((inline as Run).Text);
//string text = HtmlEncode((inline as Run).Text); ;
htmlWriter.WriteRaw(text);
}
else
{
// not supported
if (conversionResult != null)
{
conversionResult.AddMessage(new ConversionMessage(ModelValidationViolationType.Warning,
"AddInline: Unknown inline element: " + inline.ToString()));
}
}
}
}