public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
string html = value as string;
if (string.IsNullOrEmpty(html))
{
return(null);
}
return(HtmlToXamlConverter.DeserializeFlowDocument(html));
}
internal void ShowKnowledge()
{
if (ProjectMgr.Instance.App.Knowledge.Content == null)
{
return;
}
#if _SAVE_CONTENT_AS_XAML_
this.knowledgeDocument.Document = HtmlToXamlConverter.DeserializeFlowDocument(ProjectMgr.Instance.App.Knowledge.Content.Content);
#else
this.knowledgeDocument.Document = HtmlToXamlConverter.ConvertHtmlToXaml(ProjectMgr.Instance.App.Knowledge.Content.Content);
#endif
}
internal override System.Windows.Documents.FlowDocument GetKnowledgeDefinition()
{
if (this.assessmentApp.Knowledge.Content == null)
{
return(new System.Windows.Documents.FlowDocument());
}
if (this.assessmentApp.Knowledge.Content.ContentType == Assessment.Data.ContentType.Html)
{
return(HtmlToXamlConverter.ConvertHtmlToXaml(this.assessmentApp.Knowledge.Content.Content));
}
else if (this.assessmentApp.Knowledge.Content.ContentType == Assessment.Data.ContentType.FlowDocument)
{
FlowDocument doc = HtmlToXamlConverter.DeserializeFlowDocument(this.assessmentApp.Knowledge.Content.Content);
CommonControlCreator.replaceTextBoxWithRichTextBox(doc, this.assessmentApp.Knowledge.Content, null);
return(doc);
}
throw new NotSupportedException("Knowledge must be HTML or FlowDocument format!");
}
private static void OnBoundDocumentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichTextBox box = d as RichTextBox;
if (box == null)
{
return;
}
RemoveEventHandler(box);
string newXAML = GetBoundDocument(d);
if (!string.IsNullOrEmpty(newXAML))
{
box.Document = HtmlToXamlConverter.DeserializeFlowDocument(newXAML);
}
//box.Document.Blocks.Clear();
//if (!string.IsNullOrEmpty(newXAML))
//{
// using (MemoryStream xamlMemoryStream = new MemoryStream(Encoding.ASCII.GetBytes(newXAML)))
// {
// ParserContext parser = new ParserContext();
// parser.XmlnsDictionary.Add("", "http://schemas.microsoft.com/winfx/2006/xaml/presentation");
// parser.XmlnsDictionary.Add("x", "http://schemas.microsoft.com/winfx/2006/xaml");
// FlowDocument doc = new FlowDocument();
// Section section = XamlReader.Load(xamlMemoryStream, parser) as Section;
// box.Document.Blocks.Add(section);
// }
//}
AttachEventHandler(box);
}
internal static System.Windows.Documents.Section CreateContentControl(QuestionContent content, string prefix, System.Windows.Documents.Section paragraph, Response response)
{
System.Windows.Documents.Section rootSection = paragraph;
if (rootSection == null)
{
rootSection = new System.Windows.Documents.Section();
}
if (content.ContentType == ContentType.Html ||
content.ContentType == ContentType.FlowDocument)
{
string doc = string.Empty;
if (content.ContentType == ContentType.Html)
{
doc = HtmlToXamlConverter.ConvertHtmlToXaml(content.Content, true);
}
else
{
doc = content.Content;
}
System.Windows.Documents.FlowDocument flowDocument = HtmlToXamlConverter.DeserializeFlowDocument(doc);
replaceTextBoxWithText(flowDocument, content, null);
List <Block> tempList = new List <Block>();
tempList.AddRange(flowDocument.Blocks);
flowDocument.Blocks.Clear();
rootSection.Blocks.AddRange(tempList);
Paragraph firstPara = null;
if (rootSection.Blocks.FirstBlock is Paragraph)
{
firstPara = rootSection.Blocks.FirstBlock as Paragraph;
}
else
{
firstPara = new Paragraph();
rootSection.Blocks.InsertBefore(rootSection.Blocks.FirstBlock, firstPara);
}
if (firstPara.Inlines.Count > 0)
{
firstPara.Inlines.InsertBefore(firstPara.Inlines.FirstInline, new Run(prefix));
}
else
{
firstPara.Inlines.Add(prefix);
}
}
else
{
Paragraph para = null;
if (rootSection.Blocks.LastBlock is Paragraph)
{
para = rootSection.Blocks.LastBlock as Paragraph;
}
else
{
para = new Paragraph();
rootSection.Blocks.Add(para);
}
string questionContent = content.Content;
int startIndex = 0;
para.Inlines.Add(prefix);
while (true)
{
startIndex = questionContent.IndexOf("_$", 0);
if (startIndex >= 0)
{
int endIndex = questionContent.IndexOf("$_", startIndex);
string placeHolder = questionContent.Substring(startIndex, endIndex - startIndex + 2);
string text = questionContent.Substring(0, startIndex);
if (!string.IsNullOrEmpty(text) &&
text[text.Length - 1] == '\n')
{
para.Inlines.Add(CreateText(text.Remove(text.Length - 1)));
}
else
{
para.Inlines.Add(CreateText(text));
}
QuestionContentPart part = content.GetContentPart(placeHolder);
if (response is FIBQuestionResponse)
{
FIBQuestionResponse fibResponse = response as FIBQuestionResponse;
para.Inlines.Add(CreateUIPart(part, fibResponse.GetBlankResponse(part.Id, false)));
}
else
{
para.Inlines.Add(CreateUIPart(part, null));
}
questionContent = questionContent.Remove(0, endIndex + 2);
if (string.IsNullOrEmpty(questionContent))
{
break;
}
}
else
{
para.Inlines.Add(CreateText(questionContent));
break;
}
}
}
return(rootSection);
}
public static Panel CreateContentControl(QuestionContent content, Panel contentPanel, Brush foreground, ContentPartCreated contentPartCreated)
{
Panel stackPanel = contentPanel;
if (stackPanel == null)
{
stackPanel = new StackPanel();
((StackPanel)stackPanel).Orientation = Orientation.Vertical;
}
if (content.ContentType == ContentType.Html ||
content.ContentType == ContentType.FlowDocument)
{
FlowDocumentScrollViewer documentViewer = new FlowDocumentScrollViewer();
documentViewer.FocusVisualStyle = null;
documentViewer.VerticalContentAlignment = VerticalAlignment.Center;
documentViewer.VerticalAlignment = VerticalAlignment.Center;
documentViewer.HorizontalContentAlignment = HorizontalAlignment.Left;
documentViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
documentViewer.Background = Brushes.Transparent;
documentViewer.FontSize = 20;
FlowDocument document = null;
if (content.ContentType == ContentType.Html)
{
document = HtmlToXamlConverter.ConvertHtmlToXaml(content.Content);
}
else
{
document = HtmlToXamlConverter.DeserializeFlowDocument(content.Content);
}
replaceTextBoxWithRichTextBox(document, content, contentPartCreated);
document.FontSize = 20;
documentViewer.Document = document;
stackPanel.Children.Add(documentViewer);
}
else
{
string questionContent = content.Content;
if (string.IsNullOrEmpty(questionContent))
{
return(stackPanel);
}
int startIndex = 0;
StackPanel itemPanel = new StackPanel();
itemPanel.Orientation = Orientation.Horizontal;
stackPanel.Children.Add(itemPanel);
bool newLine = false;
while (true)
{
startIndex = questionContent.IndexOf("_$", 0);
if (startIndex >= 0)
{
int endIndex = questionContent.IndexOf("$_", startIndex);
string placeHolder = questionContent.Substring(startIndex, endIndex - startIndex + 2);
string text = questionContent.Substring(0, startIndex);
if (!string.IsNullOrEmpty(text))
{
string[] textParts = text.Split(new char[] { '\n' });
if (textParts.Length > 1)
{
for (int i = 0; i < textParts.Length; i++)
{
string temp = textParts[i];
itemPanel.Children.Add(CreateText(temp, foreground));
if (i == textParts.Length - 1)
{
break;
}
StackPanel nextItemPanel = new StackPanel();
nextItemPanel.Orientation = Orientation.Horizontal;
stackPanel.Children.Add(nextItemPanel);
itemPanel = nextItemPanel;
}
}
else
{
itemPanel.Children.Add(CreateText(text, foreground));
}
}
//else
//{
// string[] textParts = text.Split(new char[] { '\n' });
// if (textParts.Length > 1)
// {
// foreach (string temp in textParts)
// {
// itemPanel.Children.Add(CreateText(temp));
// StackPanel nextItemPanel = new StackPanel();
// nextItemPanel.Orientation = Orientation.Horizontal;
// stackPanel.Children.Add(nextItemPanel);
// itemPanel = nextItemPanel;
// }
// }
// else
// {
// itemPanel.Children.Add(CreateText(text));
// }
//}
if (newLine)
{
StackPanel nextItemPanel = new StackPanel();
nextItemPanel.Orientation = Orientation.Horizontal;
stackPanel.Children.Add(nextItemPanel);
itemPanel = nextItemPanel;
}
newLine = false;
QuestionContentPart part = content.GetContentPart(placeHolder);
UIElement element = CommonControlCreator.CreateUIPart(part, foreground);
itemPanel.Children.Add(element);
if (contentPartCreated != null)
{
contentPartCreated(element);
}
questionContent = questionContent.Remove(0, endIndex + 2);
if (string.IsNullOrEmpty(questionContent))
{
break;
}
}
else
{
string[] textParts = questionContent.Split(new char[] { '\n' });
foreach (string text in textParts)
{
itemPanel.Children.Add(CreateText(text, foreground));
StackPanel nextItemPanel = new StackPanel();
nextItemPanel.Orientation = Orientation.Horizontal;
stackPanel.Children.Add(nextItemPanel);
itemPanel = nextItemPanel;
}
break;
}
}
}
return(stackPanel);
}