public ListDefinition(XmlElement xmlDefinition)
{
name = xmlDefinition.GetAttribute("Name");
isReverseOrder = xmlDefinition.GetAttribute("Order").ToLower() == "reverse";
XmlNode node = xmlDefinition.SelectSingleNode("./ItemTemplate[string-length(@Name) > 0]");
if (node != null)
{
itemTemplate = TemplateRegistry.Templates[((XmlElement)node).GetAttribute("Name")];
node = null;
}
node = xmlDefinition.SelectSingleNode("./AlternatingItemTemplate[string-length(@Name) > 0]");
if (node != null)
{
alternatingItemTemplate = TemplateRegistry.Templates[((XmlElement)node).GetAttribute("Name")];
node = null;
}
node = xmlDefinition.SelectSingleNode("./DividerTemplate[string-length(@Name) > 0]");
if (node != null)
{
alternatingItemTemplate = TemplateRegistry.Templates[((XmlElement)node).GetAttribute("Name")];
node = null;
}
XmlNodeList nodes = xmlDefinition.SelectNodes("./SingleItemTemplate[string-length(@Name) > 0 and @Index > 0]");
if (nodes.Count > 0)
{
singleItemTemplate = new Dictionary<int, Template>();
foreach (XmlNode snode in nodes)
{
Template t = TemplateRegistry.Templates[((XmlElement)snode).GetAttribute("Name")];
int n = int.Parse(((XmlElement)snode).GetAttribute("Index"));
singleItemTemplate[n] = t;
}
}
node = xmlDefinition.SelectSingleNode("./PageSelectExpression[1]");
if (node != null)
if (node.FirstChild != null)
if (node.FirstChild.NodeType == XmlNodeType.Text || node.FirstChild.NodeType == XmlNodeType.CDATA)
selectExpr = node.FirstChild.Value.Trim();
if (selectExpr == null && xmlDefinition.HasAttribute("ParentPageCode"))
selectExpr = "//*[@Name='" + xmlDefinition.GetAttribute("ParentPageCode") + "']/Page";
}
private Template GetTemplate(string name, Stack<string> embedStack)
{
if (templates.ContainsKey(name) && !ContentCache.IsContentCacheDisabled)
return templates[name];
Template template;
if (embedStack == null)
embedStack = new Stack<string>();
if (embedStack.Contains(name))
{
template = new Template("[Circular dependency detected in template heirarchy at \"" + name + "\"]");
}
else
{
embedStack.Push(name);
XmlElement node = (XmlElement)templatesDoc.SelectSingleNode("/Templates/Template[@Name='" + name + "']");
if (node == null)
{
embedStack.Pop();
template = new Template("[The requested template \"" + name + "\" was not found in template definition file]");
}
else
{
string text = "";
if (node.HasAttribute("Master"))
{
text = GetTemplate(node.GetAttribute("Master"), embedStack).Text;
XmlNodeList nodes = node.SelectNodes("Replace");
foreach (XmlElement repl in nodes)
{
if (!repl.HasAttribute("PlaceHolderName"))
continue;
string phtext;
if (repl.HasAttribute("Template"))
phtext = GetTemplate(repl.GetAttribute("Template"), embedStack).Text;
else if (repl.HasAttribute("File"))
phtext = WebUtility.CacheTextFile("resources/templates/" + repl.GetAttribute("File"));
else if (repl.FirstChild == null)
phtext = "";
else if (repl.FirstChild.NodeType == XmlNodeType.Text || repl.FirstChild.NodeType == XmlNodeType.CDATA)
phtext = repl.FirstChild.Value;
else
phtext = "";
text = Regex.Replace(text, PlaceHolder.GetRegexPattern(repl.GetAttribute("PlaceHolderName")), phtext, RegexOptions.IgnoreCase);
}
}
else if (node.HasAttribute("File"))
{
string path = WebUtility.MapPath("resources/templates/" + node.GetAttribute("File"));
if (!File.Exists(path))
text = "[Template file \"" + node.GetAttribute("File") + "\" does not exist]";
else
text = WebUtility.CacheTextFile("resources/templates/" + node.GetAttribute("File"));
}
else
{
if (node.FirstChild == null)
text = "";
else if (node.FirstChild.NodeType == XmlNodeType.Text || node.FirstChild.NodeType == XmlNodeType.CDATA)
text = node.FirstChild.Value;
else
text = "";
}
embedStack.Pop();
template = new Template(text);
}
}
templates[name] = template;
return template;
}