internal void WriteText(PlainTextString plainText)
{
m_htmlTextWriter.WriteEncodedText(plainText);
}
/// <summary>
/// Convert a PlainTextString to Html.
/// </summary>
/// <param name="plainText">Text string.</param>
/// <remarks>
/// HtmlEncodes the <paramref name="plainText"/>
/// </remarks>
internal HtmlString(PlainTextString plainText)
{
m_html = HttpUtility.HtmlEncode(plainText);
}
internal void AddAttribute(string name, PlainTextString plainText)
{
m_htmlTextWriter.AddAttribute(name, plainText);
}
internal void AddAttribute(HtmlTextWriterAttribute key,
PlainTextString plainText)
{
m_htmlTextWriter.AddAttribute(key, plainText);
}
internal void WriteText(PlainTextString plainText)
{
m_htmlTextWriter.WriteEncodedText(plainText);
}
/// <summary>
/// Convert a PlainTextString to Html.
/// </summary>
/// <param name="plainText">Text string.</param>
/// <remarks>
/// HtmlEncodes the <paramref name="plainText"/>
/// </remarks>
internal HtmlString(PlainTextString plainText)
{
m_html = HttpUtility.HtmlEncode(plainText);
}
internal void AddAttribute(HtmlTextWriterAttribute key,
PlainTextString plainText)
{
m_htmlTextWriter.AddAttribute(key, plainText);
}
internal void AddAttribute(string name, PlainTextString plainText)
{
m_htmlTextWriter.AddAttribute(name, plainText);
}
/// <summary>
/// Gets the value of the requested attribute name from the case-sensitively named Element or Identifier node.
/// </summary>
/// <param name="name"></param>
/// <returns>The attribute value of the requested attribute name, or String.Empty if it doesn't exist.</returns>
/// <remarks>
/// If the node isn’t Element or Identifier throws InvalidOperationException.
/// If the name doesn’t exist as an attribute returns String.Empty.
/// This method does not move the reader unless attributes haven’t been parsed yet.
/// <p>If there is more than one attribute with the same name, only retrieves
/// the first.</p>
/// </remarks>
/// <exception cref="InvalidOperationException">If <c>NodeType</c> is not
/// <c>HtmlNodeType.Element</c> or <c>HtmlNodeType.Identifier</c>.</exception>
internal PlainTextString GetAttributeValue(PlainTextString name)
{
CheckDispose();
// calling the following can throw
return GetAttributeValue(name, false);
}
/// <summary>
/// Gets the value of the requested attribute name from the named Element or Identifier node.
/// </summary>
/// <param name="name"></param>
/// <param name="ignoreCase"></param>
/// <returns>The attribute value of the requested attribute name, or String.Empty if it doesn't exist.</returns>
/// <remarks>
/// If the node isn’t Element or Identifier, throws InvalidOperationException.
/// This method does not move the reader unless attributes haven’t been parsed yet.
/// <p>If there is more than one attribute with the same name, only retrieves
/// the first.</p>
/// </remarks>
/// <exception cref="InvalidOperationException">If <c>NodeType</c> is not
/// <c>HtmlNodeType.Element</c> or <c>HtmlNodeType.Identifier</c>.</exception>
internal PlainTextString GetAttributeValue(PlainTextString name, bool ignoreCase)
{
CheckDispose();
if (NodeType != HtmlNodeType.Element && NodeType != HtmlNodeType.Identifier)
throw new InvalidOperationException();
for (int i = 0; i < m_htmlNodeParser.Attributes.Count; i++ )
{
if (0 == String.Compare(name, m_htmlNodeParser.Attributes[i].Name,
ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal))
return m_htmlNodeParser.Attributes[i].Value;
}
return String.Empty;
}
/// <summary>
/// Returns the review HTML depending on the correctness of the learner response and whether
/// ShowCorrectAnswers is true.
/// </summary>
private string GetReviewHtml(int ordinal)
{
AIResources.Culture = LocalizationManager.GetCurrentCulture();
// RandomAccess view is identical to Review view.
string ordinalString = ordinal.ToString(CultureInfo.InvariantCulture);
StringBuilder bld = new StringBuilder(200);
string learnerAnswer = LearnerAnswer(ordinal);
string learnerAnswerHtml;
string imageSrc;
string altText;
if (LearnerAnswerCorrect(ordinalString))
{
learnerAnswerHtml = new PlainTextString(learnerAnswer).ToHtmlString();
imageSrc = ImageFileName.Correct;
altText = AIResources.CorrectAnswerHtml;
}
else
{
// if answer is incorrect, learner answer is surrounded by <STRIKE></STRIKE> unless unanswered.
if (String.IsNullOrEmpty(learnerAnswer))
{
learnerAnswerHtml = new PlainTextString(AIResources.Unanswered).ToHtmlString();
}
else
{
learnerAnswerHtml = "<STRIKE>" + new PlainTextString(learnerAnswer).ToHtmlString() + "</STRIKE>";
}
imageSrc = ImageFileName.Incorrect;
altText = AIResources.IncorrectAnswerHtml;
}
bld.AppendLine(String.Format(CultureInfo.InvariantCulture, m_reviewHtml,
learnerAnswerHtml, ImageFileName.GetFullPath(RenderContext.EmbeddedUIResourcePath, imageSrc), altText));
if (!LearnerAnswerCorrect(ordinalString))
{
if (RenderContext.ShowCorrectAnswers)
{
bld.AppendLine(String.Format(CultureInfo.InvariantCulture, m_correctAnswerHtml,
AIResources.CorrectAnswerColonHtml, CorrectAnswer(ordinalString)));
}
}
return bld.ToString();
}
