private static HtmlNode GatherInformation(IframeInformation iframeInformation, HtmlNode currentNode, bool isGoingUp)
{
if (currentNode.Name.Equals("p"))
{
var classOfNode = currentNode.GetAttributeValue("class", string.Empty);
if (classOfNode.Contains("exhibit-number"))
{
iframeInformation.Number = currentNode.InnerText.Trim();
}
else if (classOfNode.Contains("exhibit-title"))
{
iframeInformation.Title = currentNode.InnerText.Trim();
}
else if (classOfNode.Contains("source"))
{
iframeInformation.Source = currentNode.InnerText.Trim();
}
else if (classOfNode.Contains("caption"))
{
iframeInformation.Caption = currentNode.InnerText.Trim();
}
}
return(isGoingUp ? currentNode.PreviousSibling : currentNode.NextSibling);
}
private static IframeInformation GetIframeInformation(HtmlNode node)
{
var iframeInformation = new IframeInformation();
if (node.HasAttributes)
{
var currentNode = node.PreviousSibling;
//extract header and title from the HTML in sitecore
for (int i = 0; i < MaximumNodeRangeUpward; i++)
{
if (currentNode == null)
{
continue;
}
currentNode = currentNode.PreviousSibling;
if (currentNode.HasAttributes)
{
var classOfNode = currentNode.GetAttributeValue("class", string.Empty);
if (classOfNode.Contains("exhibit-number") || classOfNode.Contains("exhibit-title") ||
classOfNode.Contains("source") || classOfNode.Contains("caption"))
{
currentNode = GatherInformation(iframeInformation, currentNode, true);
}
}
}
//extract source and caption from the HTML in sitecore
if (node.NextSibling != null)
{
currentNode = node.NextSibling;
for (int i = 0; i < MaximumNodeRangedownward; i++)
{
if (currentNode != null && currentNode.NextSibling != null)
{
currentNode = currentNode.NextSibling;
if (currentNode.HasAttributes)
{
var classOfNode = currentNode.GetAttributeValue("class", string.Empty);
if (classOfNode.Contains("exhibit-number") || classOfNode.Contains("exhibit-title") ||
classOfNode.Contains("source") || classOfNode.Contains("caption"))
{
currentNode = GatherInformation(iframeInformation, currentNode, false);
}
}
}
}
}
}
return(iframeInformation);
}