protected void AddWebFigureLinkToBody(FlowDocument flowDocument, XPathNavigator navigator, Story story, FlowDocumentStyleProvider styleProvider)
{
MsdnStoryImageHyperlink hyperlink = GetLinkToWebFigures(story, navigator, styleProvider);
if (hyperlink != null)
{
Paragraph webFigureDownloadPara = new Paragraph();
ApplyStyle(webFigureDownloadPara, GetBodyTextParagraphStyle(styleProvider, 0));
webFigureDownloadPara.Inlines.Add(hyperlink);
flowDocument.Blocks.Add(webFigureDownloadPara);
}
}
protected MsdnStoryImageHyperlink GetLinkToWebFigures(Story story, XPathNavigator navigator, FlowDocumentStyleProvider styleProvider)
{
MsdnStoryImageHyperlink hyperlink = null;
XPathNavigator figuresNavigator = navigator.SelectSingleNode("Figures");
if (figuresNavigator != null)
{
// Figures exist, add link
hyperlink = new MsdnStoryImageHyperlink(GetMagazineArticleWebFigureUri(story), story);
hyperlink.Inlines.Add(new Run("See all code figures for this article"));
hyperlink.ToolTip = "View Code Figures In Browser";
hyperlink.RequestNavigate += ((MsdnViewManager)ServiceProvider.ViewManager).OnImageHyperlinkRequestNavigate;
}
return(hyperlink);
}
/// <summary>
/// Static handler for image hyperlink's request navigate event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void OnImageHyperlinkRequestNavigate(object sender, RequestNavigateEventArgs e)
{
// Always set handled to true because hyperlinks to which this event is attached are not real weblinks and require special handling.
// Don't let this go up to the navigation service
e.Handled = true;
MsdnStoryImageHyperlink hyperlink = sender as MsdnStoryImageHyperlink;
if (hyperlink != null)
{
if (hyperlink.IsImageReferenceLink)
{
// Link to an image reference, open view
OpenImageViewerWindow(hyperlink.ImageReference, hyperlink.Story);
}
else
{
// Not an image reference, this is a web link. Open web figure viewer window
OpenWebFigureViewerWindow(hyperlink.NavigateUri, hyperlink.Story);
}
}
}
/// <summary>
/// Creates a an MsdnStoryImageHyperlink element with a link to the image Uri/ImageReference
/// </summary>
protected MsdnStoryImageHyperlink CreateImageHyperlink(XPathNavigator navigator, TextPointer textPointer, FlowDocumentStyleProvider styleProvider)
{
MsdnStoryImageHyperlink hyperlink = null;
if (navigator != null)
{
// If it's a figure containing code/ javascript, it will be referenced using the "ref" attribute
Run run = new Run(XmlHelper.GetNavigatorText(navigator));
string webFigureRef = navigator.GetAttribute("ref", String.Empty);
if (!String.IsNullOrEmpty(webFigureRef) && _webFigureStore.ContainsKey(webFigureRef))
{
// 'ref' attribute found, try to match it with a web figure Uri
Uri uri = _webFigureStore[webFigureRef];
hyperlink = new MsdnStoryImageHyperlink(uri, Story, run, textPointer);
hyperlink.ToolTip = "View Code In Browser";
}
else
{
// No attribute matched. Try to match figure text to an image caption from an Image element in the doc
string text = XmlHelper.GetNavigatorText(navigator);
if (!String.IsNullOrEmpty(text) && _imageReferenceFigureStore.ContainsKey(text))
{
ImageReference imageReference = _imageReferenceFigureStore[text];
hyperlink = new MsdnStoryImageHyperlink(imageReference, Story, run, textPointer);
hyperlink.ToolTip = "View Image";
}
}
if (hyperlink != null)
{
ApplyStyle(hyperlink, GetHyperlinkStyle(styleProvider));
hyperlink.RequestNavigate += ((MsdnViewManager)ServiceProvider.ViewManager).OnImageHyperlinkRequestNavigate;
}
}
return(hyperlink);
}